diff --git a/.github/dependabot.yaml b/.github/dependabot.yaml index aa30540..4bbfe7c 100644 --- a/.github/dependabot.yaml +++ b/.github/dependabot.yaml @@ -1,13 +1,23 @@ version: 2 updates: - # Update Cargo deps - - package-ecosystem: cargo - directory: "/" - schedule: - interval: "weekly" - # Update used workflows - package-ecosystem: github-actions directory: "/" schedule: interval: daily + + # Update Cargo deps + - package-ecosystem: cargo + directory: "/" + cooldown: + default-days: 7 + schedule: + interval: "weekly" + + # Update Nixpkgs & Crane + - package-ecosystem: nix + directory: "/" + cooldown: + default-days: 7 + schedule: + interval: daily diff --git a/.github/workflows/nix-cache.yaml b/.github/workflows/nix-cache.yaml index 7ece038..8936c67 100644 --- a/.github/workflows/nix-cache.yaml +++ b/.github/workflows/nix-cache.yaml @@ -1,10 +1,10 @@ -name: "Populate cachix cache" +name: Build and Cache with Nix on: workflow_dispatch: push: branches: [ "main" ] - paths: [ 'src/**.rs', 'Cargo.toml', 'Cargo.lock', 'nix/package.nix' ] + paths: [ 'src/**.rs', 'build.rs', 'Cargo.toml', 'Cargo.lock', 'nix/package.nix', 'flake.nix', 'flake.lock' ] permissions: contents: read @@ -13,16 +13,17 @@ jobs: populate-cache: runs-on: ubuntu-latest steps: - - name: "CHeckout" - uses: actions/checkout@v5 + - name: "Checkout" + uses: actions/checkout@v6 - uses: cachix/install-nix-action@v31 with: nix_path: nixpkgs=channel:nixos-unstable - - uses: cachix/cachix-action@v16 + - uses: cachix/cachix-action@v17 with: name: nyx authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}' - - run: nix build + - name: "Build with Nix" + run: nix build diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml index 4842934..62cfe82 100644 --- a/.github/workflows/release.yaml +++ b/.github/workflows/release.yaml @@ -9,7 +9,30 @@ permissions: contents: write jobs: + tag-release: + runs-on: ubuntu-latest + steps: + - name: Checkout + uses: actions/checkout@v6 + + - uses: cachix/install-nix-action@v31 + with: + nix_path: nixpkgs=channel:nixos-unstable + + - name: Read version + run: | + echo -n "stash_version=v" >> "$GITHUB_ENV" + nix run nixpkgs#fq -- -r '.package.version' Cargo.toml >> "$GITHUB_ENV" + cat "$GITHUB_ENV" + + - name: Tag + run: | + set -x + git tag $ndg_version + git push --tags || : + create-release: + needs: tag-release runs-on: ubuntu-latest outputs: upload_url: ${{ steps.create_release.outputs.upload_url }} @@ -17,7 +40,7 @@ jobs: steps: - name: Create Release id: create_release - uses: softprops/action-gh-release@v2 + uses: softprops/action-gh-release@v3 with: draft: false prerelease: false @@ -39,7 +62,7 @@ jobs: runs-on: ${{ matrix.os }} steps: - - uses: actions/checkout@v5 + - uses: actions/checkout@v6 - name: Install Rust uses: dtolnay/rust-toolchain@stable @@ -75,7 +98,7 @@ jobs: cp target/${{ matrix.target }}/release/stash ${{ matrix.name }} - name: Upload Release Asset - uses: softprops/action-gh-release@v2 + uses: softprops/action-gh-release@v3 with: files: ${{ matrix.name }} @@ -83,7 +106,7 @@ jobs: needs: [create-release, build-release] runs-on: ubuntu-latest steps: - - uses: actions/checkout@v5 + - uses: actions/checkout@v6 - name: Download Assets uses: robinraju/release-downloader@v1 @@ -97,7 +120,7 @@ jobs: sha256sum stash-* > SHA256SUMS - name: Upload Checksums - uses: softprops/action-gh-release@v2 + uses: softprops/action-gh-release@v3 with: token: ${{ secrets.GITHUB_TOKEN }} files: SHA256SUMS diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml index 360ef75..0ae86c8 100644 --- a/.github/workflows/rust.yml +++ b/.github/workflows/rust.yml @@ -17,7 +17,7 @@ jobs: runs-on: ubuntu-latest steps: - name: Checkout - uses: actions/checkout@v5 + uses: actions/checkout@v6 - name: Build run: cargo build --verbose diff --git a/.gitignore b/.gitignore index c5ee468..99b71d1 100644 --- a/.gitignore +++ b/.gitignore @@ -1,3 +1,34 @@ -target/ -.direnv/ -result/ +# Ignore everything by default +/* +!/ + +!/nix +!/src +!/contrib + +# Rust/Cargo +!/Cargo.lock +!/Cargo.toml +!/build.rs + +# Configuration files +!/.config/ +!/.rustfmt.toml +!/.clippy.toml +!/.taplo.toml +!/.gitattributes +!/.gitignore +!/.github +!/.editorconfig + +# Nix +!/flake/**/*.nix +!/flake.nix +!/flake.lock +!/shell.nix +!/default.nix +!/.envrc + +# Misc +!/README.md +!/LICENSE diff --git a/.rustfmt.toml b/.rustfmt.toml index cb120a3..9d5c77e 100644 --- a/.rustfmt.toml +++ b/.rustfmt.toml @@ -1,6 +1,6 @@ condense_wildcard_suffixes = true doc_comment_code_block_width = 80 -edition = "2024" # Keep in sync with Cargo.toml. +edition = "2024" # Keep in sync with Cargo.toml. enum_discrim_align_threshold = 60 force_explicit_abi = false force_multiline_blocks = true @@ -24,4 +24,3 @@ unstable_features = true use_field_init_shorthand = true use_try_shorthand = true wrap_comments = true - diff --git a/.taplo.toml b/.taplo.toml new file mode 100644 index 0000000..fae0c57 --- /dev/null +++ b/.taplo.toml @@ -0,0 +1,13 @@ +[formatting] +align_entries = true +column_width = 110 +compact_arrays = false +reorder_inline_tables = false +reorder_keys = true + +[[rule]] +include = [ "**/Cargo.toml" ] +keys = [ "package" ] + +[rule.formatting] +reorder_keys = false diff --git a/Cargo.lock b/Cargo.lock index 51125f9..3c753bf 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -3,10 +3,25 @@ version = 4 [[package]] -name = "aho-corasick" -version = "1.1.3" +name = "addr2line" +version = "0.25.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916" +checksum = "1b5d307320b3181d6d7954e663bd7c774a838b8220fe0593c86d9fb09f498b4b" +dependencies = [ + "gimli", +] + +[[package]] +name = "adler2" +version = "2.0.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa" + +[[package]] +name = "aho-corasick" +version = "1.1.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ddd31a130427c27518df266943a5308ed92d4b226cc639f5a8f1002816174301" dependencies = [ "memchr", ] @@ -19,9 +34,9 @@ checksum = "683d7910e743518b0e34f1186f92494becacb047c7b6bf616c96772180fef923" [[package]] name = "anstream" -version = "0.6.20" +version = "1.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "3ae563653d1938f79b1ab1b5e668c87c76a9930414574a6583a7b7e11a8e6192" +checksum = "824a212faf96e9acacdbd09febd34438f8f711fb84e09a8916013cd7815ca28d" dependencies = [ "anstyle", "anstyle-parse", @@ -34,37 +49,64 @@ dependencies = [ [[package]] name = "anstyle" -version = "1.0.11" +version = "1.0.14" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "862ed96ca487e809f1c8e5a8447f6ee2cf102f846893800b20cebdf541fc6bbd" +checksum = "940b3a0ca603d1eade50a4846a2afffd5ef57a9feac2c0e2ec2e14f9ead76000" [[package]] name = "anstyle-parse" -version = "0.2.7" +version = "1.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4e7644824f0aa2c7b9384579234ef10eb7efb6a0deb83f9630a49594dd9c15c2" +checksum = "52ce7f38b242319f7cabaa6813055467063ecdc9d355bbb4ce0c68908cd8130e" dependencies = [ "utf8parse", ] [[package]] name = "anstyle-query" -version = "1.1.4" +version = "1.1.5" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9e231f6134f61b71076a3eab506c379d4f36122f2af15a9ff04415ea4c3339e2" +checksum = "40c48f72fd53cd289104fc64099abca73db4166ad86ea0b4341abe65af83dadc" dependencies = [ - "windows-sys 0.60.2", + "windows-sys", ] [[package]] name = "anstyle-wincon" -version = "3.0.10" +version = "3.0.11" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "3e0633414522a32ffaac8ac6cc8f748e090c5717661fddeea04219e2344f5f2a" +checksum = "291e6a250ff86cd4a820112fb8898808a366d8f9f58ce16d1f538353ad55747d" dependencies = [ "anstyle", "once_cell_polyfill", - "windows-sys 0.60.2", + "windows-sys", +] + +[[package]] +name = "anyhow" +version = "1.0.102" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7f202df86484c868dbad7eaa557ef785d5c66295e41b460ef922eca0723b842c" + +[[package]] +name = "arc-swap" +version = "1.9.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6a3a1fd6f75306b68087b831f025c712524bcb19aad54e557b1129cfa0a2b207" +dependencies = [ + "rustversion", +] + +[[package]] +name = "async-broadcast" +version = "0.7.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "435a87a52755b8f27fcf321ac4f04b2802e337c8c4872923137471ec39c37532" +dependencies = [ + "event-listener", + "event-listener-strategy", + "futures-core", + "pin-project-lite", ] [[package]] @@ -81,9 +123,9 @@ dependencies = [ [[package]] name = "async-executor" -version = "1.13.2" +version = "1.14.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "bb812ffb58524bdd10860d7d974e2f01cc0950c2438a74ee5ec2e2280c6c4ffa" +checksum = "c96bf972d85afc50bf5ab8fe2d54d1586b4e0b46c97c50a0c9e71e2f7bcd812a" dependencies = [ "async-task", "concurrent-queue", @@ -95,9 +137,9 @@ dependencies = [ [[package]] name = "async-fs" -version = "2.1.3" +version = "2.2.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "09f7e37c0ed80b2a977691c47dae8625cfb21e205827106c64f7c588766b2e50" +checksum = "8034a681df4aed8b8edbd7fbe472401ecf009251c8b40556b304567052e294c5" dependencies = [ "async-lock", "blocking", @@ -106,27 +148,27 @@ dependencies = [ [[package]] name = "async-io" -version = "2.5.0" +version = "2.6.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "19634d6336019ef220f09fd31168ce5c184b295cbf80345437cc36094ef223ca" +checksum = "456b8a8feb6f42d237746d4b3e9a178494627745c3c56c6ea55d92ba50d026fc" dependencies = [ - "async-lock", + "autocfg", "cfg-if", "concurrent-queue", "futures-io", "futures-lite", "parking", "polling", - "rustix 1.0.8", + "rustix", "slab", - "windows-sys 0.60.2", + "windows-sys", ] [[package]] name = "async-lock" -version = "3.4.1" +version = "3.4.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5fd03604047cee9b6ce9de9f70c6cd540a0520c813cbd49bae61f33ab80ed1dc" +checksum = "290f7f2596bd5b78a9fec8088ccd89180d7f9f55b94b0576823bbbdc72ee8311" dependencies = [ "event-listener", "event-listener-strategy", @@ -146,9 +188,9 @@ dependencies = [ [[package]] name = "async-process" -version = "2.4.0" +version = "2.5.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "65daa13722ad51e6ab1a1b9c01299142bc75135b337923cfa10e79bbbd669f00" +checksum = "fc50921ec0055cdd8a16de48773bfeec5c972598674347252c0399676be7da75" dependencies = [ "async-channel", "async-io", @@ -159,14 +201,25 @@ dependencies = [ "cfg-if", "event-listener", "futures-lite", - "rustix 1.0.8", + "rustix", +] + +[[package]] +name = "async-recursion" +version = "1.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3b43422f69d8ff38f95f1b2bb76517c91589a924d1559a0e935d7c8ce0274c11" +dependencies = [ + "proc-macro2", + "quote", + "syn 2.0.117", ] [[package]] name = "async-signal" -version = "0.2.12" +version = "0.2.14" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f567af260ef69e1d52c2b560ce0ea230763e6fbb9214a85d768760a920e3e3c1" +checksum = "52b5aaafa020cf5053a01f2a60e8ff5dccf550f0f77ec54a4e47285ac2bab485" dependencies = [ "async-io", "async-lock", @@ -174,10 +227,10 @@ dependencies = [ "cfg-if", "futures-core", "futures-io", - "rustix 1.0.8", + "rustix", "signal-hook-registry", "slab", - "windows-sys 0.60.2", + "windows-sys", ] [[package]] @@ -186,6 +239,26 @@ version = "4.7.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "8b75356056920673b02621b35afd0f7dda9306d03c79a30f5c56c44cf256e3de" +[[package]] +name = "async-trait" +version = "0.1.89" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9035ad2d096bed7955a320ee7e2230574d28fd3c3a0f186cbea1ff3c7eed5dbb" +dependencies = [ + "proc-macro2", + "quote", + "syn 2.0.117", +] + +[[package]] +name = "atomic" +version = "0.6.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a89cbf775b137e9b968e67227ef7f775587cde3fd31b0d8599dbd0f598a48340" +dependencies = [ + "bytemuck", +] + [[package]] name = "atomic-waker" version = "1.1.2" @@ -198,12 +271,42 @@ version = "1.5.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8" +[[package]] +name = "backtrace" +version = "0.3.76" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "bb531853791a215d7c62a30daf0dde835f381ab5de4589cfe7c649d2cbe92bd6" +dependencies = [ + "addr2line", + "cfg-if", + "libc", + "miniz_oxide", + "object", + "rustc-demangle", + "windows-link 0.2.1", +] + [[package]] name = "base64" version = "0.22.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6" +[[package]] +name = "bit-set" +version = "0.5.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0700ddab506f33b20a03b13996eccd309a48e5ff77d0d95926aa0210fb4e95f1" +dependencies = [ + "bit-vec", +] + +[[package]] +name = "bit-vec" +version = "0.6.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "349f9b6a179ed607305526ca489b34ad0a41aed5f7980fa90eb03160b69598fb" + [[package]] name = "bitflags" version = "1.3.2" @@ -212,9 +315,27 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a" [[package]] name = "bitflags" -version = "2.9.1" +version = "2.11.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1b8e56985ec62d17e9c1001dc89c88ecd7dc08e47eba5ec7c29c7b5eeecde967" +checksum = "843867be96c8daad0d758b57df9392b6d8d271134fce549de6ce169ff98a92af" + +[[package]] +name = "block-buffer" +version = "0.10.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71" +dependencies = [ + "generic-array", +] + +[[package]] +name = "block2" +version = "0.6.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "cdeb9d870516001442e364c5220d3574d2da8dc765554b4a617230d33fa58ef5" +dependencies = [ + "objc2", +] [[package]] name = "blocking" @@ -230,16 +351,16 @@ dependencies = [ ] [[package]] -name = "byteorder" -version = "1.5.0" +name = "bumpalo" +version = "3.20.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b" +checksum = "5d20789868f4b01b2f2caec9f5c4e0213b41e3e5702a50157d699ae31ced2fcb" [[package]] -name = "cassowary" -version = "0.3.0" +name = "bytemuck" +version = "1.25.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "df8670b8c7b9dae1793364eafadf7239c40d669904660c5960d74cfd80b46a53" +checksum = "c8efb64bd706a16a1bdde310ae86b351e4d21550d98d056f22f8a7f7a2183fec" [[package]] name = "castaway" @@ -252,24 +373,31 @@ dependencies = [ [[package]] name = "cc" -version = "1.2.32" +version = "1.2.60" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2352e5597e9c544d5e6d9c95190d5d27738ade584fa8db0a16e130e5c2b5296e" +checksum = "43c5703da9466b66a946814e1adf53ea2c90f10063b86290cc9eb67ce3478a20" dependencies = [ + "find-msvc-tools", "shlex", ] [[package]] name = "cfg-if" -version = "1.0.1" +version = "1.0.4" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9555578bc9e57714c812a1f84e4fc5b4d21fcb063490c624de019f7464c91268" +checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801" + +[[package]] +name = "cfg_aliases" +version = "0.2.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724" [[package]] name = "clap" -version = "4.5.45" +version = "4.6.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1fc0e74a703892159f5ae7d3aac52c8e6c392f5ae5f359c70b5881d60aaac318" +checksum = "b193af5b67834b676abd72466a96c1024e6a6ad978a1f484bd90b85c94041351" dependencies = [ "clap_builder", "clap_derive", @@ -287,9 +415,9 @@ dependencies = [ [[package]] name = "clap_builder" -version = "4.5.44" +version = "4.6.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b3e7f4214277f3c7aa526a59dd3fbe306a370daee1f8b7b8c987069cd8e888a8" +checksum = "714a53001bf66416adb0e2ef5ac857140e7dc3a0c48fb28b2f10762fc4b5069f" dependencies = [ "anstream", "anstyle", @@ -299,33 +427,60 @@ 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"0.3.6" +edition = "2024" +authors = [ "NotAShelf " ] +license = "MPL-2.0" +readme = true +repository = "https://github.com/notashelf/stash" +rust-version = "1.91.0" + +[[bin]] +name = "stash" # actual binary name for Nix, Cargo, etc. +path = "src/main.rs" [dependencies] -clap = { version = "4.5.45", features = ["derive"] } -clap-verbosity-flag = "3.0.4" -dirs = "6.0.0" -imagesize = "0.14.0" -inquire = { default-features = false, version = "0.7.5", features = [ - "crossterm", -] } -log = "0.4.27" -env_logger = "0.11.8" -thiserror = "2.0.16" -wl-clipboard-rs = "0.9.2" -rusqlite = { version = "0.37.0", features = ["bundled"] } -smol = "2.0.2" -serde = { version = "1.0.219", features = ["derive"] } -serde_json = "1.0.143" -base64 = "0.22.1" -regex = "1.11.1" -ratatui = "0.29.0" -crossterm = "0.29.0" -unicode-segmentation = "1.12.0" -unicode-width = "0.2.0" +arc-swap = { version = "1.9.1", optional = true } +base64 = "0.22.1" +blocking = "1.6.2" +clap = { version = "4.6.0", features = [ "derive", "env" ] } +clap-verbosity-flag = "3.0.4" +color-eyre = "0.6.5" +crossterm = "0.29.0" +ctrlc = "3.5.2" +dirs = "6.0.0" +env_logger = "0.11.10" +humantime = "2.3.0" +imagesize = "0.14.0" +inquire = { version = "0.9.4", default-features = false, features = [ "crossterm" ] } +libc = "0.2.184" +log = "0.4.29" +mime-sniffer = "0.1.3" +notify-rust = { version = "4.14.0", optional = true } +ratatui = "0.30.0" +regex = "1.12.3" +rusqlite = { version = "0.39.0", features = [ "bundled" ] } +serde = { version = "1.0.228", features = [ "derive" ] } +serde_json = "1.0.149" +smol = "2.0.2" +thiserror = "2.0.18" +unicode-segmentation = "1.13.2" +unicode-width = "0.2.2" +wayland-client = { version = "0.31.14", features = [ "log" ], optional = true } +wayland-protocols-wlr = { version = "0.3.12", default-features = false, optional = true } +wl-clipboard-rs = "0.9.3" + +[dev-dependencies] +futures = "0.3.32" +tempfile = "3.27.0" + +[features] +default = [ "notifications", "use-toplevel" ] +notifications = [ "dep:notify-rust" ] +use-toplevel = [ "dep:arc-swap", "dep:wayland-client", "dep:wayland-protocols-wlr" ] [profile.release] -lto = true +lto = true opt-level = "z" -strip = true +strip = true diff --git a/README.md b/README.md index 240c749..d29b4f4 100644 --- a/README.md +++ b/README.md @@ -5,13 +5,13 @@
- + Build Status - + Dependency Status
- Wayland clipboard "manager" with fast persistent history and multi-media - support. Stores and previews clipboard entries (text, images) on the command - line. + Lightweight & feature-rich Wayland clipboard "manager" with fast persistent history and + robust multi-media support. Stores and previews clipboard entries (text, images) + on the clipboard with a neat TUI and advanced scripting capabilities.

Features
- Installation | Usage
+ Installation | Usage | Motivation
Tips and Tricks
## Features -Stash is a feature-rich, yet simple clipboard management utility with many -features such as but not limited to: +Stash is a feature-rich, yet simple and lightweight clipboard management utility +with many features such as but not necessarily limited to: - Automatic MIME detection for stored entries - Fast persistent storage using SQLite @@ -44,25 +44,41 @@ features such as but not limited to: - Backwards compatible with Cliphist TSV format - Import clipboard history from TSV (e.g., from `cliphist list`) - Image preview (shows dimensions and format) -- Deduplication and entry limit control - Text previews with customizable width -- Automatic clipboard monitoring with `stash watch` +- De-duplication, whitespace prevention and entry limit control +- Automatic clipboard monitoring with + [`stash watch`](#watch-clipboard-for-changes-and-store-automatically) + - Configurable auto-expiry of old entries in watch mode as a safety buffer +- Drop-in replacement for `wl-clipboard` tools (`wl-copy` and `wl-paste`) - Sensitive clipboard filtering via regex (see below) +- Sensitive clipboard filtering by application (see below) -See [usage section](#usage) for more details. +on top of the existing features of Cliphist, which are as follows: + +- Write clipboard changes to a history file. +- Recall history with dmenu, rofi, wofi (or whatever other picker you like). +- Both text and images are supported. +- Clipboard is preserved byte-for-byte. + - Leading/trailing whitespace, no whitespace, or newlines are preserved. + - Won’t break fancy editor selections like Vim wordwise, linewise, or block + mode. + +Most of Stash's usage is documented in the [usage section](#usage) for more +details. Refer to the [Tips & Tricks section](#tips--tricks) for more "advanced" +features, or conveniences provided by Stash. ## Installation ### With Nix -Nix is the recommended way of downloading Stash. You can install it using Nix -flakes using `nix profile add` if on non-nixos or add Stash as a flake input if -you are on NixOS. +Nix is the recommended way of downloading (and developing!) Stash. You can +install it using Nix flakes using `nix profile add` if on non-nixos or add Stash +as a flake input if you are on NixOS. ```nix { # Add Stash to your inputs like so - inputs.stash.url = "github:notashelf/stash"; + inputs.stash.url = "github:NotAShelf/stash"; outputs = { /* ... */ }; } @@ -84,10 +100,12 @@ in { } ``` -You can also run it one time with `nix run` +If you want to give Stash a try before you switch to it, you may also run it one +time with `nix run`. ```sh -nix run github:notashelf/stash -- watch # start the watch daemon +# Run directly from the git repository; will be garbage collected +$ nix run github:NotAShelf/stash -- watch # start the watch daemon ``` ### Without Nix @@ -96,29 +114,84 @@ nix run github:notashelf/stash -- watch # start the watch daemon You can also install Stash on any of your systems _without_ using Nix. New releases are made when a version gets tagged, and are available under -[GitHub Releases]. To install Stash on your system without Nix, eiter: +[GitHub Releases]. To install Stash on your system without Nix, either: - Download a tagged release from [GitHub Releases] for your platform and place the binary in your `$PATH`. Instructions may differ based on your distribution, but generally you want to download the built binary from - releases and put it somewhere like `/usr/bin`. + releases and put it somewhere like `/usr/bin` or `~/.local/bin` depending on + your distribution. - Build and install from source with Cargo: ```bash - cargo install --git https://github.com/notashelf/stash + cargo install stash --locked ``` +Additionally, you may get Stash from source via `cargo install` using +`cargo install --git https://github.com/notashelf/stash --locked` or you may +check out to the repository, and use Cargo to build it. You'll need Rust 1.91.0 +or above. Most distributions should package this version already. You may, of +course, prefer to package the built releases if you'd like. + ## Usage -Command interface is only slightly different from Cliphist. In most cases, it -will be as simple as replacing `cliphist` with `stash` in your commands, aliases -or scripts. - -> [!NOTE] +> [!IMPORTANT] > It is not a priority to provide 1:1 backwards compatibility with Cliphist. -> While the interface is _almost_ identical, Stash chooses to build upon +> While the interface is generally similar, Stash chooses to build upon > Cliphist's design and extend existing design choices. See -> [Migrating from Cliphist](#migrating-from-cliphist) for more details. +> [Migrating from Cliphist](#migrating-from-cliphist) for more details. Refer to +> help text if confused. + +The command interface of Stash is _only slightly_ different from Cliphist. In +most cases, you may simply replace `cliphist` with `stash` and your commands, +aliases or scripts will continue to work as intended. + +Some of the commands allow further fine-graining with flags such as `--type` or +`--format` to allow specific input and output specifiers. See `--help` for +individual subcommands if in doubt. + + + +```console +$ stash help +Wayland clipboard manager + +Usage: stash [OPTIONS] [COMMAND] + +Commands: + store Store clipboard contents + list List clipboard history + decode Decode and output clipboard entry by id + delete Delete clipboard entry by id (if numeric), or entries matching a query (if not). Numeric arguments are treated as ids. Use --type to specify explicitly + db Database management operations + import Import clipboard data from stdin (default: TSV format) + watch Start a process to watch clipboard for changes and store automatically + help Print this message or the help of the given subcommand(s) + +Options: + --max-items + Maximum number of clipboard entries to keep [default: 18446744073709551615] + --max-dedupe-search + Number of recent entries to check for duplicates when storing new clipboard data [default: 20] + --preview-width + Maximum width (in characters) for clipboard entry previews in list output [default: 100] + --db-path + Path to the `SQLite` clipboard database file [env: STASH_DB_PATH=] + --excluded-apps + Application names to exclude from clipboard history [env: STASH_EXCLUDED_APPS=] + --ask + Ask for confirmation before destructive operations + -v, --verbose... + Increase logging verbosity + -q, --quiet... + Decrease logging verbosity + -h, --help + Print help + -V, --version + Print version +``` + + ### Store an entry @@ -132,18 +205,39 @@ echo "some clipboard text" | stash store stash list ``` +Stash list will list all entries in an interactive TUI that allows navigation +and copying/deleting entries. This behaviour is EXCLUSIVE TO TTYs and Stash will +display entries in Cliphist-compatible TSV format in Bash scripts. You may also +enforce the output format with `stash list --format `. + +You may also view your clipboard _with the addition of expired entries_, i.e., +entries that have reached their TTL and are marked as expired, using the +`--expired` flag as `stash list --expired`. Expired entries are not cleaned up +when using this flag, allowing you to inspect them before running cleanup. + ### Decode an entry by ID ```bash -stash decode --input "1234" +stash decode ``` +> [!TIP] +> Decoding from dmenu-compatible tools: +> +> ```bash +> stash list | tofi | stash decode +> ``` + ### Delete entries matching a query ```bash -stash delete --type query --arg "some text" +stash delete --type [id | query] ``` +By default stash will try to guess the type of an entry, but this may not be +desirable for all users. If you wish to be explicit, pass `--type` to +`stash delete`. + ### Delete multiple entries by ID (from a file or stdin) ```bash @@ -152,10 +246,33 @@ stash delete --type id < ids.txt ### Wipe all entries +> [!WARNING] +> This command is deprecated, and will be removed in v0.4.0. Use `stash db wipe` +> instead. + ```bash stash wipe ``` +### Database management + +Stash provides a `db` subcommand for database maintenance operations: + +```bash +stash db wipe [--expired] [--ask] +stash db vacuum +stash db stats +``` + +- `stash db wipe`: Remove all entries from the database. Use `--expired` to only + wipe expired entries instead of all entries. Requires `--ask` confirmation by + default. +- `stash db vacuum`: Optimize the database using SQLite's VACUUM command, + reclaiming space and improving performance. +- `stash db stats`: Display database statistics including total/active/expired + entry counts, storage size, and page information. This is provided purely for + convenience and the rule of the cool. + ### Watch clipboard for changes and store automatically ```bash @@ -165,9 +282,63 @@ stash watch This runs a daemon that monitors the clipboard and stores new entries automatically. This is designed as an alternative to shelling out to `wl-paste --watch` inside a Systemd service or XDG autostart. You may find a -premade Systemd service in `vendor/`. Packagers are encouraged to vendor the +premade Systemd service in `contrib/`. Packagers are encouraged to vendor the service unless adding their own. +#### Automatic Clipboard Clearing on Expiration + +When `stash watch` is running and a clipboard entry expires, Stash will detect +if the current clipboard still contains that expired content and automatically +clear it. This prevents stale data from remaining in your clipboard after an +entry has expired from history. + +> [!NOTE] +> This behavior only applies when the watch daemon is actively running. Manual +> expiration or deletion of entries will not clear the clipboard. + +#### MIME Type Preference for Watch + +`stash watch` supports a `--mime-type` (short `-t`) option that lets you +prioritise which MIME type the daemon should request from the clipboard when +multiple representations are available. + +- `any` (default): Request any available representation (current behaviour). +- `text`: Prefer text representations (e.g. `text/plain`, `text/html`). +- `image`: Prefer image representations (e.g. `image/png`, `image/jpeg`) so that + image copies from browsers or file managers are stored as images rather than + HTML fragments. + +Example: prefer images when running the watch daemon + +```bash +stash watch --mime-type image +``` + +This is useful when copying images from browsers or file managers where the +clipboard may offer both HTML and image representations; selecting `image` will +ask the compositor for image data first. Most users will be fine using the +default value (`any`) but in the case your browser (or other applications!) +regularly misrepresent data, you might wish to prioritize a different type. + +#### Clipboard Persistence + +By default, when you copy something and close the source application, Wayland +clears the clipboard. Stash can optionally keep the clipboard contents available +after the source closes using the `--persist` flag. + +```bash +stash watch --persist +``` + +When enabled, Stash will fork a background process to serve the clipboard +contents, keeping them available even after the original application exits. + +> [!NOTE] +> This feature is **opt-in** and disabled by default, as it may not be desirable +> for all users and can leave clipboard data in memory longer than expected. You +> must start the `stash watch` daemon with `--persist` for clipboard +> persistence. + ### Options Some commands take additional flags to modify Stash's behavior. See each @@ -179,35 +350,84 @@ commands `--help` text for more details. The following are generally standard: - `--preview-width `: Text preview max width for `list` - `--version`: Print the current version and exit -#### Sensitive Clipboard Filtering +### Sensitive Clipboard Filtering Stash can be configured to avoid storing clipboard entries that match a sensitive pattern, using a regular expression. This is useful for preventing accidental storage of secrets, passwords, or other sensitive data. You don't want sensitive data ending up in your persistent clipboard, right? -The filter can be configured in one of two ways: +The filter can be configured in one of three ways, as part of two separate +features. -- **Environment variable**: Set `STASH_SENSITIVE_REGEX` to a valid regex - pattern. If clipboard text matches, it will not be stored. -- **Systemd LoadCredential**: If running as a service, you can provide a regex - pattern via a credential file. For example, add to your `stash.service`: +#### Clipboard Filtering by Entry Regex - ```ini - LoadCredential=clipboard_filter:/etc/stash/clipboard_filter - ``` +This can be configured in one of two ways. You can use the **environment +variable** `STASTH_SENSITIVE_REGEX` to a valid regex pattern, and if the +clipboard text matches the regex it will not be stored. This can be used for +trivial secrets such as but not limited to GitHub tokens or secrets that follow +a rule, e.g. a prefix. You would typically set this in your `~/.bashrc` or +similar but in some cases this might be a security flaw. - The file `/etc/stash/clipboard_filter` should contain your regex pattern (no - quotes). This is done automatically in the vendored Systemd service. Remember - to set the appropriate file permissions if using this option. +The safer alternative to this is using **Systemd LoadCrediental**. If Stash is +running as a Systemd service, you can provide a regex pattern using a crediental +file. For example, add to your `stash.service`: + +```dosini +LoadCredential=clipboard_filter:/etc/stash/clipboard_filter +``` + +The file `/etc/stash/clipboard_filter` should contain your regex pattern (no +quotes). This is done automatically in the +[vendored Systemd service](./contrib/stash.service). Remember to set the +appropriate file permissions if using this option. The service will check the credential file first, then the environment variable. If a clipboard entry matches the regex, it will be skipped and a warning will be logged. -**Example regex to block common password patterns**: +> [!TIP] +> **Example regex to block common password patterns**: +> +> `(password|secret|api[_-]?key|token)[=: ]+[^\s]+` +> +> For security reasons, you are recommended to use the regex only for generic +> tokens that follow a specific rule, for example a generic prefix or suffix. -- `(password|secret|api[_-]?key|token)[=: ]+[^\s]+` +#### Clipboard Filtering by Application Class + +Stash allows blocking an entry from the persistent history if it has been copied +from certain applications. This depends on the `use-toplevel` feature flag and +uses the the `wlr-foreign-toplevel-management-v1` protocol for precise focus +detection. While this feature flag is enabled (the default) you may use +`--excluded-apps` in, e.g., `stash watch` or set the `STASH_EXCLUDED_APPS` +environment variable to block entries from persisting in the database if they +are coming from your password manager for example. The entry is still copied to +the clipboard, but it will never be put inside the database. + +This is a more robust alternative to using the regex method above, since you +likely do not want to catch your passwords with a regex. Simply pass your +password manager's **window class** to `--excluded-apps` and your passwords will +be only copied to the clipboard. + +> [!TIP] +> **Example startup command for Stash daemon**: +> +> `stash --excluded-apps Bitwarden watch` + +## Motivation + +I've been a long-time user of Cliphist. You can probably tell by the number of +times it has been mentioned in the README, if not for the attributions section, +that Stash is _clearly_ inspired and adapted from it. It's actually a great +clipboard manager if your needs are simple, but mine aren't. I need an +**all-in-one** solution, that I can freely hack on, with simple solutions to +complex problems that I've had with managing my clipboard. I wanted it to be +scriptable _and_ interactive, I wanted it to be performant, I wanted it to be... + +You get the point. Perhaps you also share similar needs, or just like Rust +software in general on your desktop. In either case, Stash hopes to serve as an +excellent clipboard manager for your needs, with _excellent_ performance. ## Tips & Tricks @@ -232,7 +452,7 @@ should know. - Stash adds a `watch` command to automatically store clipboard changes. This is an alternative to `wl-paste --watch cliphist list`. You can avoid shelling out and depending on `wl-paste` as Stash implements it through `wl-clipboard-rs` - crate. + crate and provides its own `wl-copy` and `wl-paste` binaries. ### TSV Export and Import @@ -285,3 +505,116 @@ figured out something new, e.g. a neat shell trick, feel free to add it here! ```bash cliphist list --db ~/.cache/cliphist/db | stash import ``` + +3. Stash provides its own implementation of `wl-copy` and `wl-paste` commands + backed by `wl-clipboard-rs`. Those implementations are backwards compatible + with `wl-clipboard`, and may be used as **drop-in** replacements. The default + build wrapper in `build.rs` links `stash` to `stash-copy` and `stash-paste`, + which are also available as `wl-copy` and `wl-paste` respectively. The Nix + package automatically links those to `$out/bin` for you, which means they are + installed by default but other package managers may need additional steps by + the packagers. While building from source, you may link + `target/release/stash` manually. + +### Entry Expiration + +Stash supports time-to-live (TTL) for clipboard entries. When an entry's +expiration time is reached, it is marked as expired rather than immediately +deleted. This allows for inspection of expired entries and automatic clipboard +cleanup. + +#### How Expiration Works + +When `stash watch` is running with `--expire-after`, it monitors the clipboard +and processes expired entries periodically. Upon expiration: + +1. The entry's `is_expired` flag is set to `1` in the database +2. If the current clipboard content matches the expired entry, Stash clears the + clipboard to prevent pasting stale data +3. Expired entries are excluded from normal list operations unless `--expired` + is specified + +> [!NOTE] +> By default, entries do not expire. Use `stash watch --expire-after DURATION` +> to enable expiration (e.g., `--expire-after 24h` for 24-hour TTL). + +#### Viewing Expired Entries + +Use `stash list --expired` to include expired entries in the output. This is +useful for: + +- Inspecting what has expired from your clipboard history +- Verifying that sensitive data has been properly expired +- Debugging expiration behavior + +```bash +# View all entries including expired ones +stash list --expired + +# View expired entries in JSON format +stash list --expired --format json +``` + +#### Cleaning Up Expired Entries + +The watch daemon automatically cleans up expired entries when it processes them. +For manual cleanup, use: + +```bash +# Remove all expired entries from the database +stash db wipe --expired +``` + +> [!NOTE] +> If you have a large number of expired entries, consider running +> `stash db vacuum` afterward to reclaim disk space. + +#### Automatic Clipboard Clearing + +When `stash watch` is running and an entry expires, Stash checks if the current +clipboard still contains that expired content. If it matches, Stash clears the +clipboard automatically. This prevents accidentally pasting outdated content. + +> [!TIP] +> This behavior only applies when the watch daemon is actively running. Manual +> expiration or deletion of entries will not clear the clipboard. + +#### Database Maintenance + +Stash uses SQLite for persistent storage. Over time, deleted entries and +fragmentation can affect performance. Use the `stash db` command to maintain +your database: + +- **Check statistics**: `stash db stats` shows entry counts and storage usage. + Use this to monitor growth and decide when to clean up. +- **Remove expired entries**: `stash db wipe --expired` removes entries that + have reached their TTL. The daemon normally handles this, but this is useful + for manual cleanup. +- **Optimize storage**: `stash db vacuum` runs SQLite's VACUUM command to + reclaim space and defragment the database. This is safe to run periodically. + +It is recommended to run `stash db vacuum` occasionally (e.g., monthly) to keep +the database compact, especially after deleting many entries. You can, of +course, wipe the database entirely if it has grown too large. + +## Attributions + +My thanks go first to [@YaLTeR](https://github.com/YaLTeR/) for the +[wl-clipboard-rs](https://github.com/YaLTeR/wl-clipboard-rs) crate. Stash is +powered by [several crates](./Cargo.toml), but none of them were as detrimental +in Stash's design process. + +Secondly, but by no means less importantly, I would like to thank +[cliphist](https://github.com/sentriz/cliphist) for the excellent reference it +has provided to me as a "solid clipboard manager." The interface of Stash is +inspired by Cliphist, and it has served me very well for a very long time. + +Additional and definitely heartfelt thanks to my testers, who have tested +earlier versions of Stash, helped with packaging and provided feedback. Thank +you :) + +## License + +This project is made available under Mozilla Public License (MPL) version 2.0. +See [LICENSE](LICENSE) for more details on the exact conditions. An online copy +is provided [here](https://www.mozilla.org/en-US/MPL/2.0/). diff --git a/vendor/stash.service b/contrib/stash.service similarity index 100% rename from vendor/stash.service rename to contrib/stash.service diff --git a/flake.lock b/flake.lock index 02d5006..e50ffba 100644 --- a/flake.lock +++ b/flake.lock @@ -2,11 +2,11 @@ "nodes": { "crane": { "locked": { - "lastModified": 1754269165, - "narHash": "sha256-0tcS8FHd4QjbCVoxN9jI+PjHgA4vc/IjkUSp+N3zy0U=", + "lastModified": 1775839657, + "narHash": "sha256-SPm9ck7jh3Un9nwPuMGbRU04UroFmOHjLP56T10MOeM=", "owner": "ipetkov", "repo": "crane", - "rev": "444e81206df3f7d92780680e45858e31d2f07a08", + "rev": "7cf72d978629469c4bd4206b95c402514c1f6000", "type": "github" }, "original": { @@ -17,11 +17,11 @@ }, "nixpkgs": { "locked": { - "lastModified": 1754725699, - "narHash": "sha256-iAcj9T/Y+3DBy2J0N+yF9XQQQ8IEb5swLFzs23CdP88=", + "lastModified": 1775710090, + "narHash": "sha256-ar3rofg+awPB8QXDaFJhJ2jJhu+KqN/PRCXeyuXR76E=", "owner": "NixOS", "repo": "nixpkgs", - "rev": "85dbfc7aaf52ecb755f87e577ddbe6dbbdbc1054", + "rev": "4c1018dae018162ec878d42fec712642d214fdfa", "type": "github" }, "original": { diff --git a/flake.nix b/flake.nix index 9be3b14..b41dbf9 100644 --- a/flake.nix +++ b/flake.nix @@ -1,6 +1,8 @@ { - inputs.nixpkgs.url = "github:NixOS/nixpkgs?ref=nixos-unstable"; - inputs.crane.url = "github:ipetkov/crane"; + inputs = { + nixpkgs.url = "github:NixOS/nixpkgs?ref=nixos-unstable"; + crane.url = "github:ipetkov/crane"; + }; outputs = { self, @@ -11,10 +13,16 @@ forEachSystem = nixpkgs.lib.genAttrs systems; pkgsForEach = nixpkgs.legacyPackages; in { - packages = forEachSystem (system: { - default = pkgsForEach.${system}.callPackage ./nix/package.nix { - craneLib = crane.mkLib pkgsForEach.${system}; - }; + nixosModules = { + stash = import ./nix/modules/nixos.nix self; + default = self.nixosModules.stash; + }; + + packages = forEachSystem (system: let + craneLib = crane.mkLib pkgsForEach.${system}; + in { + stash = pkgsForEach.${system}.callPackage ./nix/package.nix {inherit craneLib;}; + default = self.packages.${system}.stash; }); devShells = forEachSystem (system: { diff --git a/nix/modules/nixos.nix b/nix/modules/nixos.nix new file mode 100644 index 0000000..23072a0 --- /dev/null +++ b/nix/modules/nixos.nix @@ -0,0 +1,78 @@ +self: { + config, + lib, + pkgs, + ... +}: let + inherit (lib.modules) mkIf; + inherit (lib.options) mkOption mkEnableOption mkPackageOption literalMD; + inherit (lib.types) listOf str; + inherit (lib.strings) concatStringsSep; + inherit (lib.meta) getExe; + + cfg = config.services.stash-clipboard; +in { + options.services.stash-clipboard = { + enable = mkEnableOption "stash, a Wayland clipboard manager"; + + package = mkPackageOption self.packages.${pkgs.system} ["stash"] {}; + + flags = mkOption { + type = listOf str; + default = []; + example = ["--max-items 10"]; + description = "Flags to pass to stash watch."; + }; + + filterFile = mkOption { + type = str; + default = ""; + example = "{file}`/etc/stash/clipboard_filter`"; + description = literalMD '' + File containing a regular expression to catch sensitive patterns. The file + passed to this option must contain your regex pattern with no quotes. + + ::: {.tip} + Example regex to block common password patterns: + + * `(password|secret|api[_-]?key|token)[=: ]+[^\s]+` + ::: + ''; + }; + + excludedApps = mkOption { + type = listOf str; + default = []; + example = ["Bitwarden"]; + description = '' + Stash will avoid storing data if the active window class matches the + entries passed to this option. This is useful for avoiding persistent + passwords in the database, while still allowing one-time copies. + + Entries from these apps are still copied to the clipboard, but it will + never be put inside the database. + ''; + }; + }; + + config = mkIf cfg.enable { + environment.systemPackages = [cfg.package]; + systemd = { + packages = [cfg.package]; + user.services.stash-clipboard = { + description = "Stash clipboard manager daemon"; + wantedBy = ["graphical-session.target"]; + after = ["graphical-session.target"]; + + serviceConfig = { + ExecStart = "${getExe cfg.package} ${concatStringsSep " " cfg.flags} watch"; + LoadCredential = mkIf (cfg.filterFile != "") "clipboard_filter:${cfg.filterFile}"; + }; + + environment = mkIf (cfg.excludedApps != []) { + STASH_EXCLUDED_APPS = concatStringsSep "," cfg.excludedApps; + }; + }; + }; + }; +} diff --git a/nix/package.nix b/nix/package.nix index 0366838..b27a730 100644 --- a/nix/package.nix +++ b/nix/package.nix @@ -1,9 +1,14 @@ { lib, craneLib, + stdenv, + mold, + versionCheckHook, + useMold ? stdenv.isLinux, + createSymlinks ? true, }: let pname = "stash"; - version = (builtins.fromTOML (builtins.readFile ../Cargo.toml)).package.version; + version = (lib.importTOML ../Cargo.toml).package.version; src = let fs = lib.fileset; s = ../.; @@ -28,18 +33,39 @@ in strictDeps = true; - # Install Systemd service for Stash into $out/share. - # This can be used to use Stash in 'systemd.packages' - postInstall = '' + # Since Crane doesn't have a good way of enforcing that our symlinks + # generated by the build wrapper are correctly linked, we should link + # them *manually*. The postInstallCheck phase that follows will check + # to verify if all of those links are in place. + postInstall = lib.optionalString createSymlinks '' mkdir -p $out - install -Dm755 ${../vendor/stash.service} $out/share/stash.service + for bin in stash-copy stash-paste wl-copy wl-paste; do + ln -sf $out/bin/stash $out/bin/$bin + done ''; + nativeInstallCheckInputs = [versionCheckHook]; + doInstallCheck = true; + + # After the version check, let's see if all binaries are linked correctly. + # We could probably add a check phase to get the versions of each. + postInstallCheck = lib.optionalString createSymlinks '' + for bin in stash stash-copy stash-paste wl-copy wl-paste; do + [ -x "$out/bin/$bin" ] || { echo "$bin missing"; exit 1; } + done + ''; + + env = lib.optionalAttrs useMold { + CARGO_LINKER = "clang"; + CARGO_RUSTFLAGS = "-Clink-arg=-fuse-ld=${mold}/bin/mold"; + }; + meta = { description = "Wayland clipboard manager with fast persistent history and multi-media support"; homepage = "https://github.com/notashelf/stash"; license = lib.licenses.mpl20; maintainers = [lib.maintainers.NotAShelf]; mainProgram = "stash"; + platforms = lib.platforms.linux; }; } diff --git a/nix/shell.nix b/nix/shell.nix index 9df0432..273d74a 100644 --- a/nix/shell.nix +++ b/nix/shell.nix @@ -6,6 +6,7 @@ clippy, taplo, rust-analyzer-unwrapped, + cargo-nextest, rustPlatform, }: mkShell { @@ -20,6 +21,9 @@ mkShell { cargo taplo rust-analyzer-unwrapped + + # Additional Cargo Tooling + cargo-nextest ]; RUST_SRC_PATH = "${rustPlatform.rustLibSrc}"; diff --git a/src/clipboard/mod.rs b/src/clipboard/mod.rs new file mode 100644 index 0000000..2648ce5 --- /dev/null +++ b/src/clipboard/mod.rs @@ -0,0 +1,3 @@ +pub mod persist; + +pub use persist::{ClipboardData, get_serving_pid, persist_clipboard}; diff --git a/src/clipboard/persist.rs b/src/clipboard/persist.rs new file mode 100644 index 0000000..a677f50 --- /dev/null +++ b/src/clipboard/persist.rs @@ -0,0 +1,262 @@ +use std::{ + process::exit, + sync::atomic::{AtomicI32, Ordering}, +}; + +use wl_clipboard_rs::copy::{ + ClipboardType, + MimeType as CopyMimeType, + Options, + PreparedCopy, + ServeRequests, + Source, +}; + +/// Maximum number of paste requests to serve before exiting. This (hopefully) +/// prevents runaway processes while still providing persistence. +const MAX_SERVE_REQUESTS: usize = 1000; + +/// PID of the current clipboard persistence child process. Used to detect when +/// clipboard content is from our own serve process. +static SERVING_PID: AtomicI32 = AtomicI32::new(0); + +/// Get the current serving PID if any. Used by the watch loop to avoid +/// duplicate persistence processes. +pub fn get_serving_pid() -> Option { + let pid = SERVING_PID.load(Ordering::SeqCst); + if pid != 0 { Some(pid) } else { None } +} + +/// Result type for persistence operations. +pub type PersistenceResult = Result; + +/// Errors that can occur during clipboard persistence. +#[derive(Debug, thiserror::Error)] +pub enum PersistenceError { + #[error("Failed to prepare copy: {0}")] + PrepareFailed(String), + + #[error("Failed to fork: {0}")] + ForkFailed(String), + + #[error("Clipboard data too large: {0} bytes")] + DataTooLarge(usize), + + #[error("Clipboard content is empty")] + EmptyContent, + + #[error("No MIME types to offer")] + NoMimeTypes, +} + +/// Clipboard data with all MIME types for persistence. +#[derive(Debug, Clone)] +pub struct ClipboardData { + /// The actual clipboard content. + pub content: Vec, + + /// All MIME types offered by the source. Preserves order. + pub mime_types: Vec, + + /// The MIME type that was selected for storage. + pub selected_mime: String, +} + +impl ClipboardData { + /// Create new clipboard data. + pub fn new( + content: Vec, + mime_types: Vec, + selected_mime: String, + ) -> Self { + Self { + content, + mime_types, + selected_mime, + } + } + + /// Check if data is valid for persistence. + pub fn is_valid(&self) -> Result<(), PersistenceError> { + const MAX_SIZE: usize = 100 * 1024 * 1024; // 100MB + + if self.content.is_empty() { + return Err(PersistenceError::EmptyContent); + } + + if self.content.len() > MAX_SIZE { + return Err(PersistenceError::DataTooLarge(self.content.len())); + } + + if self.mime_types.is_empty() { + return Err(PersistenceError::NoMimeTypes); + } + + Ok(()) + } +} + +/// Persist clipboard data by forking a background process that serves it. +/// +/// 1. Prepares a clipboard copy operation with all MIME types +/// 2. Forks a child process +/// 3. The child serves clipboard data indefinitely (until MAX_SERVE_REQUESTS) +/// 4. The parent returns immediately +/// +/// # Safety +/// +/// This function uses `libc::fork()` which is unsafe. The child process +/// must not modify any shared state or file descriptors. +pub unsafe fn persist_clipboard(data: ClipboardData) -> PersistenceResult<()> { + // Validate data + data.is_valid()?; + + // Prepare the copy operation + let prepared = prepare_clipboard_copy(&data)?; + + // Fork and serve + unsafe { fork_and_serve(prepared) } +} + +/// Prepare a clipboard copy operation with all MIME types. +fn prepare_clipboard_copy( + data: &ClipboardData, +) -> PersistenceResult { + let mut opts = Options::new(); + opts.clipboard(ClipboardType::Regular); + opts.serve_requests(ServeRequests::Only(MAX_SERVE_REQUESTS)); + opts.foreground(true); // we'll fork manually for better control + + // Determine MIME type for the primary offer + let mime_type = if data.selected_mime.starts_with("text/") { + CopyMimeType::Text + } else { + CopyMimeType::Specific(data.selected_mime.clone()) + }; + + // Prepare the copy + let prepared = opts + .prepare_copy(Source::Bytes(data.content.clone().into()), mime_type) + .map_err(|e| PersistenceError::PrepareFailed(e.to_string()))?; + + Ok(prepared) +} + +/// Fork a child process to serve clipboard data. +/// +/// The child process will: +/// +/// 1. Register its process ID with the self-detection module +/// 2. Serve clipboard requests until MAX_SERVE_REQUESTS +/// 3. Exit cleanly +/// +/// The parent stores the child `PID` in `SERVING_PID` and returns immediately. +unsafe fn fork_and_serve(prepared: PreparedCopy) -> PersistenceResult<()> { + // Enable automatic child reaping to prevent zombie processes + unsafe { + libc::signal(libc::SIGCHLD, libc::SIG_IGN); + } + + match unsafe { libc::fork() } { + 0 => { + // Child process - clear serving PID + // Look at me. I'm the server now. + SERVING_PID.store(0, Ordering::SeqCst); + serve_clipboard_child(prepared); + exit(0); + }, + + -1 => { + // Oops. + Err(PersistenceError::ForkFailed( + "libc::fork() returned -1".to_string(), + )) + }, + + pid => { + // Parent process, store child PID for loop detection + log::debug!("forked clipboard persistence process (pid: {pid})"); + SERVING_PID.store(pid, Ordering::SeqCst); + Ok(()) + }, + } +} + +/// Child process entry point for serving clipboard data. +fn serve_clipboard_child(prepared: PreparedCopy) { + let pid = std::process::id() as i32; + log::debug!("clipboard persistence child process started (pid: {pid})"); + + // Serve clipboard requests. The PreparedCopy::serve() method blocks and + // handles all the Wayland protocol interactions internally via + // wl-clipboard-rs + match prepared.serve() { + Ok(()) => { + log::debug!("clipboard persistence: serve completed normally"); + }, + + Err(e) => { + log::error!("clipboard persistence: serve failed: {e}"); + exit(1); + }, + } +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn test_clipboard_data_validation() { + // Valid data + let valid = ClipboardData::new( + b"hello".to_vec(), + vec!["text/plain".to_string()], + "text/plain".to_string(), + ); + assert!(valid.is_valid().is_ok()); + + // Empty content + let empty = ClipboardData::new( + vec![], + vec!["text/plain".to_string()], + "text/plain".to_string(), + ); + assert!(matches!( + empty.is_valid(), + Err(PersistenceError::EmptyContent) + )); + + // No MIME types + let no_mimes = + ClipboardData::new(b"hello".to_vec(), vec![], "text/plain".to_string()); + assert!(matches!( + no_mimes.is_valid(), + Err(PersistenceError::NoMimeTypes) + )); + + // Too large + let huge = ClipboardData::new( + vec![0u8; 101 * 1024 * 1024], // 101MB + vec!["text/plain".to_string()], + "text/plain".to_string(), + ); + assert!(matches!( + huge.is_valid(), + Err(PersistenceError::DataTooLarge(_)) + )); + } + + #[test] + fn test_clipboard_data_creation() { + let data = ClipboardData::new( + b"test content".to_vec(), + vec!["text/plain".to_string(), "text/html".to_string()], + "text/plain".to_string(), + ); + + assert_eq!(data.content, b"test content"); + assert_eq!(data.mime_types.len(), 2); + assert_eq!(data.selected_mime, "text/plain"); + } +} diff --git a/src/commands/decode.rs b/src/commands/decode.rs index 9dc9116..f989a18 100644 --- a/src/commands/decode.rs +++ b/src/commands/decode.rs @@ -26,30 +26,30 @@ impl DecodeCommand for SqliteClipboardDb { let mut buf = String::new(); in_ .read_to_string(&mut buf) - .map_err(|e| StashError::DecodeRead(e.to_string()))?; + .map_err(|e| StashError::DecodeRead(e.to_string().into()))?; buf }; // If input is empty or whitespace, treat as error and trigger fallback if input_str.trim().is_empty() { - log::debug!("No input provided to decode; relaying clipboard to stdout"); + log::debug!("no input provided to decode; relaying clipboard to stdout"); if let Ok((mut reader, _mime)) = get_contents(ClipboardType::Regular, Seat::Unspecified, MimeType::Any) { let mut buf = Vec::new(); reader.read_to_end(&mut buf).map_err(|e| { - StashError::DecodeRead(format!( - "Failed to read clipboard for relay: {e}" - )) + StashError::DecodeRead( + format!("Failed to read clipboard for relay: {e}").into(), + ) })?; out.write_all(&buf).map_err(|e| { - StashError::DecodeWrite(format!( - "Failed to write clipboard relay: {e}" - )) + StashError::DecodeWrite( + format!("Failed to write clipboard relay: {e}").into(), + ) })?; } else { return Err(StashError::DecodeGet( - "Failed to get clipboard contents for relay".to_string(), + "Failed to get clipboard contents for relay".into(), )); } return Ok(()); @@ -69,14 +69,14 @@ impl DecodeCommand for SqliteClipboardDb { { let mut buf = Vec::new(); reader.read_to_end(&mut buf).map_err(|err| { - StashError::DecodeRead(format!( - "Failed to read clipboard for relay: {err}" - )) + StashError::DecodeRead( + format!("Failed to read clipboard for relay: {err}").into(), + ) })?; out.write_all(&buf).map_err(|err| { - StashError::DecodeWrite(format!( - "Failed to write clipboard relay: {err}" - )) + StashError::DecodeWrite( + format!("Failed to write clipboard relay: {err}").into(), + ) })?; Ok(()) } else { diff --git a/src/commands/delete.rs b/src/commands/delete.rs index dd84989..ba358ad 100644 --- a/src/commands/delete.rs +++ b/src/commands/delete.rs @@ -9,7 +9,7 @@ pub trait DeleteCommand { impl DeleteCommand for SqliteClipboardDb { fn delete(&self, input: impl Read) -> Result { let deleted = self.delete_entries(input)?; - log::info!("Deleted {deleted} entries"); + log::info!("deleted {deleted} entries"); Ok(deleted) } } diff --git a/src/commands/import.rs b/src/commands/import.rs index 05833d7..4a3a2a7 100644 --- a/src/commands/import.rs +++ b/src/commands/import.rs @@ -1,12 +1,6 @@ use std::io::{self, BufRead}; -use crate::db::{ - ClipboardDb, - Entry, - SqliteClipboardDb, - StashError, - detect_mime, -}; +use crate::db::{ClipboardDb, Entry, SqliteClipboardDb, StashError}; pub trait ImportCommand { /// Import clipboard entries from TSV format. @@ -27,24 +21,24 @@ impl ImportCommand for SqliteClipboardDb { let mut imported = 0; for (lineno, line) in reader.lines().enumerate() { let line = line.map_err(|e| { - StashError::Store(format!("Failed to read line {lineno}: {e}")) + StashError::Store(format!("Failed to read line {lineno}: {e}").into()) })?; let mut parts = line.splitn(2, '\t'); let (Some(id_str), Some(val)) = (parts.next(), parts.next()) else { - return Err(StashError::Store(format!( - "Malformed TSV line {lineno}: {line:?}" - ))); + return Err(StashError::Store( + format!("Malformed TSV line {lineno}: {line:?}").into(), + )); }; let Ok(_id) = id_str.parse::() else { - return Err(StashError::Store(format!( - "Failed to parse id from line {lineno}: {id_str}" - ))); + return Err(StashError::Store( + format!("Failed to parse id from line {lineno}: {id_str}").into(), + )); }; let entry = Entry { contents: val.as_bytes().to_vec(), - mime: detect_mime(val.as_bytes()), + mime: crate::mime::detect_mime(val.as_bytes()), }; self @@ -54,18 +48,18 @@ impl ImportCommand for SqliteClipboardDb { rusqlite::params![entry.contents, entry.mime], ) .map_err(|e| { - StashError::Store(format!( - "Failed to insert entry at line {lineno}: {e}" - )) + StashError::Store( + format!("Failed to insert entry at line {lineno}: {e}").into(), + ) })?; imported += 1; } - log::info!("Imported {imported} records from TSV into SQLite database."); + log::info!("imported {imported} records from TSV into SQLite database."); // Trim database to max_items after import self.trim_db(max_items)?; - log::info!("Trimmed clipboard database to max_items = {max_items}"); + log::info!("trimmed clipboard database to max_items = {max_items}"); Ok(()) } diff --git a/src/commands/list.rs b/src/commands/list.rs index 75c1ce5..b3041e5 100644 --- a/src/commands/list.rs +++ b/src/commands/list.rs @@ -6,8 +6,13 @@ use unicode_width::UnicodeWidthStr; use crate::db::{ClipboardDb, SqliteClipboardDb, StashError}; pub trait ListCommand { - fn list(&self, out: impl Write, preview_width: u32) - -> Result<(), StashError>; + fn list( + &self, + out: impl Write, + preview_width: u32, + include_expired: bool, + reverse: bool, + ) -> Result<(), StashError>; } impl ListCommand for SqliteClipboardDb { @@ -15,18 +20,278 @@ impl ListCommand for SqliteClipboardDb { &self, out: impl Write, preview_width: u32, + include_expired: bool, + reverse: bool, ) -> Result<(), StashError> { - self.list_entries(out, preview_width).map(|_| ()) + self + .list_entries(out, preview_width, include_expired, reverse) + .map(|_| ()) } } +/// All mutable state for the TUI list view. +struct TuiState { + /// Total number of entries matching the current filter in the DB. + total: usize, + + /// Global cursor position: index into the full ordered result set. + cursor: usize, + + /// DB offset of `window[0]`, i.e., the first row currently loaded. + viewport_offset: usize, + + /// The loaded slice of entries: `(id, preview, mime)`. + window: Vec<(i64, String, String)>, + + /// How many rows the window holds (== visible list height). + window_size: usize, + + /// Whether the window needs to be re-fetched from the DB. + dirty: bool, + + /// Current search query. Empty string means no filter. + search_query: String, + + /// Whether we're currently in search input mode. + search_mode: bool, + + /// Whether to show entries in reverse order (oldest first). + reverse: bool, + + /// ID of entry currently being copied. + copying_entry: Option, +} + +impl TuiState { + /// Create initial state: count total rows, load the first window. + fn new( + db: &SqliteClipboardDb, + include_expired: bool, + window_size: usize, + preview_width: u32, + reverse: bool, + ) -> Result { + let total = db.count_entries(include_expired, None)?; + let window = if total > 0 { + db.fetch_entries_window( + include_expired, + 0, + window_size, + preview_width, + None, + reverse, + )? + } else { + Vec::new() + }; + Ok(Self { + total, + cursor: 0, + viewport_offset: 0, + window, + window_size, + dirty: false, + search_query: String::new(), + search_mode: false, + reverse, + copying_entry: None, + }) + } + + /// Return the current search filter (`None` if empty). + fn search_filter(&self) -> Option<&str> { + if self.search_query.is_empty() { + None + } else { + Some(&self.search_query) + } + } + + /// Update search query and reset cursor. Returns true if search changed. + fn set_search(&mut self, query: String) -> bool { + let changed = self.search_query != query; + if changed { + self.search_query = query; + self.cursor = 0; + self.viewport_offset = 0; + self.dirty = true; + } + changed + } + + /// Clear search and reset state. Returns true if was searching. + fn clear_search(&mut self) -> bool { + let had_search = !self.search_query.is_empty(); + self.search_query.clear(); + self.search_mode = false; + if had_search { + self.cursor = 0; + self.viewport_offset = 0; + self.dirty = true; + } + had_search + } + + /// Toggle search mode. + fn toggle_search_mode(&mut self) { + self.search_mode = !self.search_mode; + if self.search_mode { + // When entering search mode, clear query if there was one + // or start fresh + self.search_query.clear(); + self.dirty = true; + } + } + + /// Return the cursor position relative to the current window + /// (`window[local_cursor]` == the selected entry). + #[inline] + fn local_cursor(&self) -> usize { + self.cursor.saturating_sub(self.viewport_offset) + } + + /// Return the selected `(id, preview, mime)` if any entry is selected. + fn selected_entry(&self) -> Option<&(i64, String, String)> { + if self.total == 0 { + return None; + } + self.window.get(self.local_cursor()) + } + + /// Move the cursor down by one, wrapping to 0 at the bottom. + fn move_down(&mut self) { + if self.total == 0 { + return; + } + self.cursor = if self.cursor + 1 >= self.total { + 0 + } else { + self.cursor + 1 + }; + self.dirty = true; + } + + /// Move the cursor up by one, wrapping to `total - 1` at the top. + fn move_up(&mut self) { + if self.total == 0 { + return; + } + self.cursor = if self.cursor == 0 { + self.total - 1 + } else { + self.cursor - 1 + }; + self.dirty = true; + } + + /// Resize the window (e.g. terminal resized). Marks dirty so the + /// viewport is reloaded on the next frame. + fn resize(&mut self, new_size: usize) { + if new_size != self.window_size { + self.window_size = new_size; + self.dirty = true; + } + } + + /// After a delete the total shrinks by one and the cursor may need + /// clamping. The caller is responsible for the DB deletion itself. + fn on_delete(&mut self) { + if self.total == 0 { + return; + } + self.total -= 1; + if self.total == 0 { + self.cursor = 0; + } else if self.cursor >= self.total { + self.cursor = self.total - 1; + } + self.dirty = true; + } + + /// Reload the window from the DB if `dirty` is set or if the cursor + /// has drifted outside the currently loaded range. + fn sync( + &mut self, + db: &SqliteClipboardDb, + include_expired: bool, + preview_width: u32, + ) -> Result<(), StashError> { + let cursor_out_of_window = self.cursor < self.viewport_offset + || self.cursor >= self.viewport_offset + self.window.len().max(1); + + if !self.dirty && !cursor_out_of_window { + return Ok(()); + } + + // Re-anchor the viewport so the cursor sits in the upper half when + // scrolling downward, or at a sensible position when wrapping. + let half = self.window_size / 2; + self.viewport_offset = if self.cursor >= half { + (self.cursor - half).min(self.total.saturating_sub(self.window_size)) + } else { + 0 + }; + + let search = self.search_filter(); + self.window = if self.total > 0 { + db.fetch_entries_window( + include_expired, + self.viewport_offset, + self.window_size, + preview_width, + search, + self.reverse, + )? + } else { + Vec::new() + }; + self.dirty = false; + Ok(()) + } +} + +/// Query the maximum id digit-width and maximum mime byte-length across +/// all entries. This is pretty damn fast as it touches only index/metadata, +/// not blobs. +fn global_column_widths( + db: &SqliteClipboardDb, + include_expired: bool, +) -> Result<(usize, usize), StashError> { + let filter = if include_expired { + "" + } else { + "WHERE (is_expired IS NULL OR is_expired = 0)" + }; + let query = format!( + "SELECT COALESCE(MAX(LENGTH(CAST(id AS TEXT))), 2), \ + COALESCE(MAX(LENGTH(mime)), 8) FROM clipboard {filter}" + ); + let (id_w, mime_w): (i64, i64) = db + .conn + .query_row(&query, [], |r| Ok((r.get(0)?, r.get(1)?))) + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; + Ok((id_w.max(2) as usize, mime_w.max(8) as usize)) +} + impl SqliteClipboardDb { #[allow(clippy::too_many_lines)] - pub fn list_tui(&self, preview_width: u32) -> Result<(), StashError> { + pub fn list_tui( + &self, + preview_width: u32, + include_expired: bool, + reverse: bool, + ) -> Result<(), StashError> { use std::io::stdout; use crossterm::{ - event::{self, DisableMouseCapture, EnableMouseCapture, Event, KeyCode}, + event::{ + self, + DisableMouseCapture, + EnableMouseCapture, + Event, + KeyCode, + KeyModifiers, + }, execute, terminal::{ EnterAlternateScreen, @@ -35,6 +300,7 @@ impl SqliteClipboardDb { enable_raw_mode, }, }; + use notify_rust::Notification; use ratatui::{ Terminal, backend::CrosstermBackend, @@ -42,75 +308,175 @@ impl SqliteClipboardDb { text::{Line, Span}, widgets::{Block, Borders, List, ListItem, ListState}, }; + use wl_clipboard_rs::copy::{MimeType, Options, Source}; - // Query entries from DB - let mut stmt = self - .conn - .prepare("SELECT id, contents, mime FROM clipboard ORDER BY id DESC") - .map_err(|e| StashError::ListDecode(e.to_string()))?; - let mut rows = stmt - .query([]) - .map_err(|e| StashError::ListDecode(e.to_string()))?; + // One-time column-width metadata (no blob reads). + let (max_id_width, max_mime_width) = + global_column_widths(self, include_expired)?; - let mut entries: Vec<(u64, String, String)> = Vec::new(); - let mut max_id_width = 2; - let mut max_mime_width = 8; - while let Some(row) = rows - .next() - .map_err(|e| StashError::ListDecode(e.to_string()))? - { - let id: u64 = row - .get(0) - .map_err(|e| StashError::ListDecode(e.to_string()))?; - let contents: Vec = row - .get(1) - .map_err(|e| StashError::ListDecode(e.to_string()))?; - let mime: Option = row - .get(2) - .map_err(|e| StashError::ListDecode(e.to_string()))?; - let preview = - crate::db::preview_entry(&contents, mime.as_deref(), preview_width); - let mime_str = mime.as_deref().unwrap_or("").to_string(); - let id_str = id.to_string(); - max_id_width = max_id_width.max(id_str.width()); - max_mime_width = max_mime_width.max(mime_str.width()); - entries.push((id, preview, mime_str)); - } - - enable_raw_mode().map_err(|e| StashError::ListDecode(e.to_string()))?; + enable_raw_mode() + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; let mut stdout = stdout(); execute!(stdout, EnterAlternateScreen, EnableMouseCapture) - .map_err(|e| StashError::ListDecode(e.to_string()))?; + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; let backend = CrosstermBackend::new(stdout); let mut terminal = Terminal::new(backend) - .map_err(|e| StashError::ListDecode(e.to_string()))?; + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; - let mut state = ListState::default(); - if !entries.is_empty() { - state.select(Some(0)); + // Derive initial window size from current terminal height. + let initial_height = terminal + .size() + .map(|r| r.height.saturating_sub(2) as usize) + .unwrap_or(24); + let initial_height = initial_height.max(1); + + let mut tui = TuiState::new( + self, + include_expired, + initial_height, + preview_width, + reverse, + )?; + + // ratatui ListState; only tracks selection within the *window* slice. + let mut list_state = ListState::default(); + if tui.total > 0 { + list_state.select(Some(0)); } - let res = (|| -> Result<(), StashError> { - loop { + /// Accumulated actions from draining the event queue. + struct EventActions { + quit: bool, + net_down: i64, // positive=down, negative=up, 0=none + copy: bool, + delete: bool, + toggle_search: bool, // enter/exit search mode + search_input: Option, // character typed in search mode + search_backspace: bool, // backspace in search mode + clear_search: bool, // clear search query (ESC in search mode) + } + + /// Drain all pending key events and return what actions to perform. + /// Navigation is capped to +-1 per frame to prevent jumpy scrolling when + /// the key-repeat rate exceeds the render frame rate. + fn drain_events(tui: &TuiState) -> Result { + let mut actions = EventActions { + quit: false, + net_down: 0, + copy: false, + delete: false, + toggle_search: false, + search_input: None, + search_backspace: false, + clear_search: false, + }; + + while event::poll(std::time::Duration::from_millis(0)) + .map_err(|e| StashError::ListDecode(e.to_string().into()))? + { + if let Event::Key(key) = event::read() + .map_err(|e| StashError::ListDecode(e.to_string().into()))? + { + if tui.search_mode { + // In search mode, handle text input + match (key.code, key.modifiers) { + (KeyCode::Esc, _) => { + actions.clear_search = true; + }, + (KeyCode::Enter, _) => { + actions.toggle_search = true; // exit search mode + }, + (KeyCode::Backspace, _) => { + actions.search_backspace = true; + }, + (KeyCode::Char(c), _) => { + actions.search_input = Some(c); + }, + _ => {}, + } + } else { + // Normal mode navigation commands + match (key.code, key.modifiers) { + (KeyCode::Char('q') | KeyCode::Esc, _) => actions.quit = true, + (KeyCode::Down | KeyCode::Char('j'), _) => { + // Cap at +1 per frame for smooth scrolling + if actions.net_down < 1 { + actions.net_down += 1; + } + }, + (KeyCode::Up | KeyCode::Char('k'), _) => { + // Cap at -1 per frame for smooth scrolling + if actions.net_down > -1 { + actions.net_down -= 1; + } + }, + (KeyCode::Enter, _) => actions.copy = true, + (KeyCode::Char('D'), KeyModifiers::SHIFT) => { + actions.delete = true; + }, + (KeyCode::Char('/'), _) => actions.toggle_search = true, + _ => {}, + } + } + } + } + Ok(actions) + } + + let draw_frame = + |terminal: &mut Terminal>, + tui: &mut TuiState, + list_state: &mut ListState, + max_id_width: usize, + max_mime_width: usize| + -> Result<(), StashError> { + // Reserve 2 rows for search bar when in search mode + let search_bar_height = if tui.search_mode { 2 } else { 0 }; + let term_height = terminal + .size() + .map(|r| r.height.saturating_sub(2 + search_bar_height) as usize) + .unwrap_or(24) + .max(1); + tui.resize(term_height); + tui.sync(self, include_expired, preview_width)?; + + if tui.total == 0 { + list_state.select(None); + } else { + list_state.select(Some(tui.local_cursor())); + } + terminal .draw(|f| { let area = f.area(); - let block = Block::default() - .title("Clipboard Entries (j/k/↑/↓ to move, q/ESC to quit)") - .borders(Borders::ALL); + + // Build title based on search state + let title = if tui.search_mode { + format!("Search: {}", tui.search_query) + } else if tui.search_query.is_empty() { + "Clipboard Entries (j/k/↑/↓ to move, / to search, Enter to copy, \ + Shift+D to delete, q/ESC to quit)" + .to_string() + } else { + format!( + "Clipboard Entries (filtered: '{}' - {} results, / to search, \ + ESC to clear, q to quit)", + tui.search_query, tui.total + ) + }; + + let block = Block::default().title(title).borders(Borders::ALL); let border_width = 2; let highlight_symbol = ">"; let highlight_width = 1; let content_width = area.width as usize - border_width; - // Minimum widths for columns let min_id_width = 2; let min_mime_width = 6; let min_preview_width = 4; - let spaces = 3; // [id][ ][preview][ ][mime] + let spaces = 3; - // Dynamically allocate widths let mut id_col = max_id_width.max(min_id_width); let mut mime_col = max_mime_width.max(min_mime_width); let mut preview_col = content_width @@ -119,7 +485,6 @@ impl SqliteClipboardDb { .saturating_sub(mime_col) .saturating_sub(spaces); - // If not enough space, shrink columns if preview_col < min_preview_width { let needed = min_preview_width - preview_col; if mime_col > min_mime_width { @@ -142,13 +507,13 @@ impl SqliteClipboardDb { preview_col = min_preview_width; } - let selected = state.selected(); + let selected = list_state.selected(); - let list_items: Vec = entries + let list_items: Vec = tui + .window .iter() .enumerate() .map(|(i, entry)| { - // Truncate preview by grapheme clusters and display width let mut preview = String::new(); let mut width = 0; for g in entry.1.graphemes(true) { @@ -160,7 +525,6 @@ impl SqliteClipboardDb { preview.push_str(g); width += g_width; } - // Truncate and pad mimetype let mut mime = String::new(); let mut mwidth = 0; for g in entry.2.graphemes(true) { @@ -173,8 +537,6 @@ impl SqliteClipboardDb { mwidth += g_width; } - // Compose the row as highlight + id + space + preview + space + - // mimetype let mut spans = Vec::new(); let (id, preview, mime) = entry; if Some(i) == selected { @@ -221,49 +583,162 @@ impl SqliteClipboardDb { .fg(Color::Yellow) .add_modifier(Modifier::BOLD), ) - .highlight_symbol(""); // handled manually + .highlight_symbol(""); - f.render_stateful_widget(list, area, &mut state); + f.render_stateful_widget(list, area, list_state); }) - .map_err(|e| StashError::ListDecode(e.to_string()))?; + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; + Ok(()) + }; + // Initial draw. + draw_frame( + &mut terminal, + &mut tui, + &mut list_state, + max_id_width, + max_mime_width, + )?; + + let res = (|| -> Result<(), StashError> { + loop { + // Block waiting for events, then drain and process all queued input. if event::poll(std::time::Duration::from_millis(250)) - .map_err(|e| StashError::ListDecode(e.to_string()))? + .map_err(|e| StashError::ListDecode(e.to_string().into()))? { - if let Event::Key(key) = - event::read().map_err(|e| StashError::ListDecode(e.to_string()))? - { - match key.code { - KeyCode::Char('q') | KeyCode::Esc => break, - KeyCode::Down | KeyCode::Char('j') => { - let i = match state.selected() { - Some(i) => { - if i >= entries.len() - 1 { - 0 - } else { - i + 1 - } - }, - None => 0, - }; - state.select(Some(i)); - }, - KeyCode::Up | KeyCode::Char('k') => { - let i = match state.selected() { - Some(i) => { - if i == 0 { - entries.len() - 1 - } else { - i - 1 - } - }, - None => 0, - }; - state.select(Some(i)); - }, - _ => {}, + let actions = drain_events(&tui)?; + + if actions.quit { + break; + } + + // Handle search mode actions + if actions.toggle_search { + tui.toggle_search_mode(); + } + + if actions.clear_search && tui.clear_search() { + // Search was cleared, refresh count + tui.total = + self.count_entries(include_expired, tui.search_filter())?; + } + + if let Some(c) = actions.search_input { + let new_query = format!("{}{}", tui.search_query, c); + if tui.set_search(new_query) { + // Search changed, refresh count and reset + tui.total = + self.count_entries(include_expired, tui.search_filter())?; } } + + if actions.search_backspace { + let new_query = tui + .search_query + .chars() + .next_back() + .map(|_| { + tui + .search_query + .chars() + .take(tui.search_query.len() - 1) + .collect::() + }) + .unwrap_or_default(); + if tui.set_search(new_query) { + // Search changed, refresh count and reset + tui.total = + self.count_entries(include_expired, tui.search_filter())?; + } + } + + // Apply navigation (capped at ±1 per frame for smooth scrolling). + if !tui.search_mode { + if actions.net_down > 0 { + tui.move_down(); + } else if actions.net_down < 0 { + tui.move_up(); + } + + if actions.delete + && let Some(&(id, ..)) = tui.selected_entry() + { + self + .conn + .execute( + "DELETE FROM clipboard WHERE id = ?1", + rusqlite::params![id], + ) + .map_err(|e| { + StashError::DeleteEntry(id, e.to_string().into()) + })?; + tui.on_delete(); + let _ = Notification::new() + .summary("Stash") + .body("Deleted entry") + .show(); + } + + if actions.copy + && let Some(&(id, ..)) = tui.selected_entry() + { + if tui.copying_entry == Some(id) { + log::debug!( + "Skipping duplicate copy for entry {id} (already in \ + progress)" + ); + } else { + tui.copying_entry = Some(id); + match self.copy_entry(id) { + Ok((new_id, contents, mime)) => { + if new_id != id { + tui.dirty = true; + } + let opts = Options::new(); + let mime_type = match mime { + Some(ref m) if m == "text/plain" => MimeType::Text, + Some(ref m) => MimeType::Specific(m.clone().clone()), + None => MimeType::Text, + }; + let copy_result = opts + .copy(Source::Bytes(contents.clone().into()), mime_type); + match copy_result { + Ok(()) => { + let _ = Notification::new() + .summary("Stash") + .body("Copied entry to clipboard") + .show(); + }, + Err(e) => { + log::error!("failed to copy entry to clipboard: {e}"); + let _ = Notification::new() + .summary("Stash") + .body(&format!("Failed to copy to clipboard: {e}")) + .show(); + }, + } + }, + Err(e) => { + log::error!("failed to fetch entry {id}: {e}"); + let _ = Notification::new() + .summary("Stash") + .body(&format!("Failed to fetch entry: {e}")) + .show(); + }, + } + tui.copying_entry = None; + } + } + } + + // Redraw once after processing all accumulated input. + draw_frame( + &mut terminal, + &mut tui, + &mut list_state, + max_id_width, + max_mime_width, + )?; } } Ok(()) diff --git a/src/commands/mod.rs b/src/commands/mod.rs index 67e9950..86b8c99 100644 --- a/src/commands/mod.rs +++ b/src/commands/mod.rs @@ -5,4 +5,3 @@ pub mod list; pub mod query; pub mod store; pub mod watch; -pub mod wipe; diff --git a/src/commands/query.rs b/src/commands/query.rs index c5b5851..e1bd465 100644 --- a/src/commands/query.rs +++ b/src/commands/query.rs @@ -6,6 +6,6 @@ pub trait QueryCommand { impl QueryCommand for SqliteClipboardDb { fn query_delete(&self, query: &str) -> Result { - ::delete_query(self, query) + ::delete_query(self, query) } } diff --git a/src/commands/store.rs b/src/commands/store.rs index 6ddfb60..4495754 100644 --- a/src/commands/store.rs +++ b/src/commands/store.rs @@ -2,6 +2,7 @@ use std::io::Read; use crate::db::{ClipboardDb, SqliteClipboardDb}; +#[allow(clippy::too_many_arguments)] pub trait StoreCommand { fn store( &self, @@ -9,6 +10,9 @@ pub trait StoreCommand { max_dedupe_search: u64, max_items: u64, state: Option, + excluded_apps: &[String], + min_size: Option, + max_size: usize, ) -> Result<(), crate::db::StashError>; } @@ -19,13 +23,25 @@ impl StoreCommand for SqliteClipboardDb { max_dedupe_search: u64, max_items: u64, state: Option, + excluded_apps: &[String], + min_size: Option, + max_size: usize, ) -> Result<(), crate::db::StashError> { if let Some("sensitive" | "clear") = state.as_deref() { self.delete_last()?; - log::info!("Entry deleted"); + log::info!("entry deleted"); } else { - self.store_entry(input, max_dedupe_search, max_items)?; - log::info!("Entry stored"); + self.store_entry( + input, + max_dedupe_search, + max_items, + Some(excluded_apps), + min_size, + max_size, + None, // no pre-computed hash for CLI store + None, // no mime types for CLI store + )?; + log::info!("entry stored"); } Ok(()) } diff --git a/src/commands/watch.rs b/src/commands/watch.rs index 01e922e..71cdc17 100644 --- a/src/commands/watch.rs +++ b/src/commands/watch.rs @@ -1,80 +1,712 @@ -use std::{io::Read, time::Duration}; +use std::{collections::BinaryHeap, hash::Hasher, io::Read, time::Duration}; use smol::Timer; -use wl_clipboard_rs::paste::{ClipboardType, Seat, get_contents}; +use wl_clipboard_rs::{ + copy::{MimeType as CopyMimeType, Options, Source}, + paste::{ + ClipboardType, + MimeType as PasteMimeType, + Seat, + get_contents, + get_mime_types_ordered, + }, +}; -use crate::db::{ClipboardDb, Entry, SqliteClipboardDb}; +use crate::{ + clipboard::{self, ClipboardData, get_serving_pid}, + db::{SqliteClipboardDb, nonblocking::AsyncClipboardDb}, + hash::Fnv1aHasher, +}; +/// Wrapper to provide [`Ord`] implementation for `f64` by negating values. +/// This allows [`BinaryHeap`], which is a max-heap, to function as a min-heap. +/// Also see: +/// - +/// - +/// - +#[derive(Debug, Clone, Copy)] +struct Neg(f64); + +impl Neg { + fn inner(&self) -> f64 { + self.0 + } +} + +impl std::cmp::PartialEq for Neg { + fn eq(&self, other: &Self) -> bool { + self.0 == other.0 + } +} + +impl std::cmp::Eq for Neg {} + +impl std::cmp::PartialOrd for Neg { + fn partial_cmp(&self, other: &Self) -> Option { + Some(self.cmp(other)) + } +} + +impl std::cmp::Ord for Neg { + fn cmp(&self, other: &Self) -> std::cmp::Ordering { + // Reverse ordering for min-heap behavior + other + .0 + .partial_cmp(&self.0) + .unwrap_or(std::cmp::Ordering::Equal) + } +} + +/// Min-heap for tracking entry expirations with sub-second precision. +/// Uses Neg wrapper to turn `BinaryHeap` (max-heap) into min-heap behavior. +#[derive(Debug, Default)] +struct ExpirationQueue { + heap: BinaryHeap<(Neg, i64)>, +} + +impl ExpirationQueue { + /// Create a new empty expiration queue + fn new() -> Self { + Self { + heap: BinaryHeap::new(), + } + } + + /// Push a new expiration into the queue + fn push(&mut self, expires_at: f64, id: i64) { + self.heap.push((Neg(expires_at), id)); + } + + /// Peek at the next expiration timestamp without removing it + fn peek_next(&self) -> Option { + self.heap.peek().map(|(neg, _)| neg.inner()) + } + + /// Remove and return all entries that have expired by `now` + fn pop_expired(&mut self, now: f64) -> Vec { + let mut expired = Vec::new(); + while let Some((neg_exp, id)) = self.heap.peek() { + let expires_at = neg_exp.inner(); + if expires_at <= now { + expired.push(*id); + self.heap.pop(); + } else { + break; + } + } + expired + } + + /// Check if the queue is empty + fn is_empty(&self) -> bool { + self.heap.is_empty() + } + + /// Get the number of entries in the queue + fn len(&self) -> usize { + self.heap.len() + } +} + +/// Get clipboard contents using the source application's preferred MIME type. +/// +/// See, `MimeType::Any` lets wl-clipboard-rs pick a type in arbitrary order, +/// which causes issues when applications offer multiple types (e.g. file +/// managers offering `text/uri-list` + `text/plain`, or Firefox offering +/// `text/html` + `image/png` + `text/plain`). +/// +/// This queries the ordered types via [`get_mime_types_ordered`], which +/// preserves the Wayland protocol's offer order (source application's +/// preference) and then requests the first type with [`MimeType::Specific`]. +/// +/// The two-step approach has a theoretical race (clipboard could change between +/// the calls), but the wl-clipboard-rs API has no single-call variant that +/// respects source ordering. A race simply produces an error that the polling +/// loop handles like any other clipboard-empty/error case. +/// +/// When `preference` is `"text"`, uses `MimeType::Text` directly (single call). +/// When `preference` is `"image"`, picks the first offered `image/*` type. +/// Otherwise picks the source's first offered type. +/// +/// # Returns +/// +/// The content reader, the selected MIME type, and ALL offered MIME +/// types. +#[expect(clippy::type_complexity)] +fn negotiate_mime_type( + preference: &str, +) -> Result<(Box, String, Vec), wl_clipboard_rs::paste::Error> +{ + // Get all offered MIME types first (needed for persistence) + let offered = + get_mime_types_ordered(ClipboardType::Regular, Seat::Unspecified)?; + + if preference == "text" { + let (reader, mime_str) = get_contents( + ClipboardType::Regular, + Seat::Unspecified, + PasteMimeType::Text, + )?; + return Ok((Box::new(reader) as Box, mime_str, offered)); + } + + let chosen = if preference == "image" { + // Pick the first offered image type, fall back to first overall + offered + .iter() + .find(|m| m.starts_with("image/")) + .or_else(|| offered.first()) + } else { + // XXX: When preference is "any", deprioritize text/html if a more + // concrete type is available. Browsers and Electron apps put + // text/html first even for "Copy Image", but the HTML is just + // a wrapper (), i.e., never what the user wants in a + // clipboard manager. Prefer image/* first, then any non-html + // type, and fall back to text/html only as a last resort. + let has_image = offered.iter().any(|m| m.starts_with("image/")); + if has_image { + offered + .iter() + .find(|m| m.starts_with("image/")) + .or_else(|| offered.first()) + } else if offered.first().is_some_and(|m| m == "text/html") { + offered + .iter() + .find(|m| *m != "text/html") + .or_else(|| offered.first()) + } else { + offered.first() + } + }; + + match chosen { + Some(mime_str) => { + let (reader, actual_mime) = get_contents( + ClipboardType::Regular, + Seat::Unspecified, + PasteMimeType::Specific(mime_str), + )?; + + Ok((Box::new(reader) as Box, actual_mime, offered)) + }, + None => Err(wl_clipboard_rs::paste::Error::NoSeats), + } +} + +#[allow(clippy::too_many_arguments)] pub trait WatchCommand { - fn watch(&self, max_dedupe_search: u64, max_items: u64); + async fn watch( + &self, + max_dedupe_search: u64, + max_items: u64, + excluded_apps: &[String], + expire_after: Option, + mime_type_preference: &str, + min_size: Option, + max_size: usize, + persist: bool, + ); } impl WatchCommand for SqliteClipboardDb { - fn watch(&self, max_dedupe_search: u64, max_items: u64) { - smol::block_on(async { - log::info!("Starting clipboard watch daemon"); + async fn watch( + &self, + max_dedupe_search: u64, + max_items: u64, + excluded_apps: &[String], + expire_after: Option, + mime_type_preference: &str, + min_size: Option, + max_size: usize, + persist: bool, + ) { + let async_db = AsyncClipboardDb::new(self.db_path.clone()); + log::info!( + "Starting clipboard watch daemon with MIME type preference: \ + {mime_type_preference}" + ); - // Preallocate buffer for clipboard contents - let mut last_contents: Option> = None; - let mut buf = Vec::with_capacity(4096); // reasonable default, hopefully + if persist { + log::info!("clipboard persistence enabled"); + } - // Initialize with current clipboard to avoid duplicating on startup - if let Ok((mut reader, _)) = get_contents( - ClipboardType::Regular, - Seat::Unspecified, - wl_clipboard_rs::paste::MimeType::Any, - ) { - buf.clear(); - if reader.read_to_end(&mut buf).is_ok() && !buf.is_empty() { - last_contents = Some(buf.clone()); + // Build expiration queue from existing entries + let mut exp_queue = ExpirationQueue::new(); + + // Load all expirations from database asynchronously + match async_db.load_all_expirations().await { + Ok(expirations) => { + for (expires_at, id) in expirations { + exp_queue.push(expires_at, id); } + if !exp_queue.is_empty() { + log::info!("loaded {} expirations from database", exp_queue.len()); + } + }, + Err(e) => { + log::warn!("failed to load expirations: {e}"); + }, + } + + // We use hashes for comparison instead of storing full contents + let mut last_hash: Option = None; + let mut buf = Vec::with_capacity(4096); + + // Helper to hash clipboard contents using FNV-1a (deterministic across + // runs) + let hash_contents = |data: &[u8]| -> u64 { + let mut hasher = Fnv1aHasher::new(); + hasher.write(data); + hasher.finish() + }; + + // Initialize with current clipboard using smart MIME negotiation + if let Ok((mut reader, ..)) = negotiate_mime_type(mime_type_preference) { + buf.clear(); + if reader.read_to_end(&mut buf).is_ok() && !buf.is_empty() { + last_hash = Some(hash_contents(&buf)); } + } - loop { - match get_contents( - ClipboardType::Regular, - Seat::Unspecified, - wl_clipboard_rs::paste::MimeType::Any, - ) { - Ok((mut reader, mime_type)) => { - buf.clear(); - if let Err(e) = reader.read_to_end(&mut buf) { - log::error!("Failed to read clipboard contents: {e}"); - Timer::after(Duration::from_millis(500)).await; - continue; - } + let poll_interval = Duration::from_millis(500); - // Only store if changed and not empty - if !buf.is_empty() && (last_contents.as_ref() != Some(&buf)) { - last_contents = Some(std::mem::take(&mut buf)); - let mime = Some(mime_type.to_string()); - let entry = Entry { - contents: last_contents.as_ref().unwrap().clone(), - mime, + loop { + // Process any pending expirations that are due now + if let Some(next_exp) = exp_queue.peek_next() { + let now = SqliteClipboardDb::now(); + if next_exp <= now { + // Expired entries to process + let expired_ids = exp_queue.pop_expired(now); + for id in expired_ids { + // Verify entry still exists and get its content_hash + let expired_hash: Option = + match async_db.get_content_hash(id).await { + Ok(hash) => hash, + Err(e) => { + log::warn!("failed to get content hash for entry {id}: {e}"); + None + }, }; - let id = self.next_sequence(); - match self.store_entry( - &entry.contents[..], - max_dedupe_search, - max_items, - ) { - Ok(_) => log::info!("Stored new clipboard entry (id: {id})"), - Err(e) => log::error!("Failed to store clipboard entry: {e}"), + + if let Some(stored_hash) = expired_hash { + // Mark as expired + if let Err(e) = async_db.mark_expired(id).await { + log::warn!("failed to mark entry {id} as expired: {e}"); + } else { + log::info!("entry {id} marked as expired"); } - // Drop clipboard contents after storing - last_contents = None; + // Check if this expired entry is currently in the clipboard + if let Ok((mut reader, ..)) = + negotiate_mime_type(mime_type_preference) + { + let mut current_buf = Vec::new(); + if reader.read_to_end(&mut current_buf).is_ok() + && !current_buf.is_empty() + { + let current_hash = hash_contents(¤t_buf); + // Convert stored i64 to u64 for comparison (preserves bit + // pattern) + if current_hash == stored_hash as u64 { + // Clear the clipboard since expired content is still + // there + let mut opts = Options::new(); + opts + .clipboard(wl_clipboard_rs::copy::ClipboardType::Regular); + if opts + .copy( + Source::Bytes(Vec::new().into()), + CopyMimeType::Autodetect, + ) + .is_ok() + { + log::info!( + "cleared clipboard containing expired entry {id}" + ); + last_hash = None; // reset tracked hash + } else { + log::warn!( + "failed to clear clipboard for expired entry {id}" + ); + } + } + } + } } - }, - Err(e) => { - let error_msg = e.to_string(); - if !error_msg.contains("empty") { - log::error!("Failed to get clipboard contents: {e}"); - } - }, + } } - Timer::after(Duration::from_millis(500)).await; } - }); + + // Normal clipboard polling (always run, even when expirations are + // pending) + match negotiate_mime_type(mime_type_preference) { + Ok((mut reader, _mime_type, _all_mimes)) => { + buf.clear(); + if let Err(e) = reader.read_to_end(&mut buf) { + log::error!("failed to read clipboard contents: {e}"); + Timer::after(Duration::from_millis(500)).await; + continue; + } + + // Only store if changed and not empty + if !buf.is_empty() { + let current_hash = hash_contents(&buf); + if last_hash != Some(current_hash) { + // Clone buf for the async operation since it needs 'static + let buf_clone = buf.clone(); + #[allow(clippy::cast_possible_wrap)] + let content_hash = Some(current_hash as i64); + + // Clone data for persistence after successful store + let buf_for_persist = buf.clone(); + let mime_types_for_persist = _all_mimes.clone(); + let selected_mime = _mime_type.clone(); + + match async_db + .store_entry( + buf_clone, + max_dedupe_search, + max_items, + Some(excluded_apps.to_vec()), + min_size, + max_size, + content_hash, + Some(mime_types_for_persist.clone()), + ) + .await + { + Ok(id) => { + log::info!("stored new clipboard entry (id: {id})"); + last_hash = Some(current_hash); + + // Persist clipboard: fork child to serve data + // This keeps the clipboard alive when source app closes + // Check if we're already serving to avoid duplicate processes + if persist && get_serving_pid().is_none() { + let clipboard_data = ClipboardData::new( + buf_for_persist, + mime_types_for_persist, + selected_mime, + ); + + // Validate and persist in blocking task + if clipboard_data.is_valid().is_ok() { + smol::spawn(async move { + // Use blocking task for fork operation + let result = smol::unblock(move || unsafe { + clipboard::persist_clipboard(clipboard_data) + }) + .await; + + if let Err(e) = result { + log::debug!("clipboard persistence failed: {e}"); + } + }) + .detach(); + } + } else if persist { + log::trace!( + "Already serving clipboard, skipping persistence fork" + ); + } + + // Set expiration if configured + if let Some(duration) = expire_after { + let expires_at = + SqliteClipboardDb::now() + duration.as_secs_f64(); + if let Err(e) = + async_db.set_expiration(id, expires_at).await + { + log::warn!( + "Failed to set expiration for entry {id}: {e}" + ); + } else { + exp_queue.push(expires_at, id); + } + } + }, + Err(crate::db::StashError::ExcludedByApp(_)) => { + log::info!("clipboard entry excluded by app filter"); + last_hash = Some(current_hash); + }, + Err(crate::db::StashError::Store(ref msg)) + if msg.contains("Excluded by app filter") => + { + log::info!("clipboard entry excluded by app filter"); + last_hash = Some(current_hash); + }, + Err(e) => { + log::error!("failed to store clipboard entry: {e}"); + last_hash = Some(current_hash); + }, + } + } + } + }, + Err(e) => { + let error_msg = e.to_string(); + if !error_msg.contains("empty") { + log::error!("failed to get clipboard contents: {e}"); + } + }, + } + + // Calculate sleep time: min of poll interval and time until next + // expiration + let sleep_duration = if let Some(next_exp) = exp_queue.peek_next() { + let now = SqliteClipboardDb::now(); + let time_to_exp = (next_exp - now).max(0.0); + poll_interval.min(Duration::from_secs_f64(time_to_exp)) + } else { + poll_interval + }; + Timer::after(sleep_duration).await; + } + } +} + +/// Given ordered offers and a preference, return the +/// chosen MIME type. This mirrors the selection logic in +/// [`negotiate_mime_type`] without requiring a Wayland connection. +#[cfg(test)] +fn pick_mime<'a>( + offered: &'a [String], + preference: &str, +) -> Option<&'a String> { + if preference == "image" { + offered + .iter() + .find(|m| m.starts_with("image/")) + .or_else(|| offered.first()) + } else { + let has_image = offered.iter().any(|m| m.starts_with("image/")); + if has_image { + offered + .iter() + .find(|m| m.starts_with("image/")) + .or_else(|| offered.first()) + } else if offered.first().is_some_and(|m| m == "text/html") { + offered + .iter() + .find(|m| *m != "text/html") + .or_else(|| offered.first()) + } else { + offered.first() + } + } +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn test_pick_first_offered() { + let offered = vec!["text/uri-list".to_string(), "text/plain".to_string()]; + assert_eq!(pick_mime(&offered, "any").unwrap(), "text/uri-list"); + } + + #[test] + fn test_pick_image_preference_finds_image() { + let offered = vec![ + "text/html".to_string(), + "image/png".to_string(), + "text/plain".to_string(), + ]; + assert_eq!(pick_mime(&offered, "image").unwrap(), "image/png"); + } + + #[test] + fn test_pick_image_preference_falls_back() { + let offered = vec!["text/html".to_string(), "text/plain".to_string()]; + // No image types offered — falls back to first + assert_eq!(pick_mime(&offered, "image").unwrap(), "text/html"); + } + + #[test] + fn test_pick_empty_offered() { + let offered: Vec = vec![]; + assert!(pick_mime(&offered, "any").is_none()); + } + + #[test] + fn test_pick_image_over_html_firefox_copy_image() { + // Firefox "Copy Image" offers html first, then image, then text. + // We should pick the image, not the html wrapper. + let offered = vec![ + "text/html".to_string(), + "image/png".to_string(), + "text/plain".to_string(), + ]; + assert_eq!(pick_mime(&offered, "any").unwrap(), "image/png"); + } + + #[test] + fn test_pick_image_over_html_electron() { + // Electron apps also put text/html before image types + let offered = vec!["text/html".to_string(), "image/jpeg".to_string()]; + assert_eq!(pick_mime(&offered, "any").unwrap(), "image/jpeg"); + } + + #[test] + fn test_pick_html_fallback_when_only_html() { + // When text/html is the only type, pick it + let offered = vec!["text/html".to_string()]; + assert_eq!(pick_mime(&offered, "any").unwrap(), "text/html"); + } + + #[test] + fn test_pick_text_over_html_when_no_image() { + // Rich text copy: html + plain, no image — prefer plain text + let offered = vec!["text/html".to_string(), "text/plain".to_string()]; + assert_eq!(pick_mime(&offered, "any").unwrap(), "text/plain"); + } + + #[test] + fn test_pick_file_manager_uri_list_first() { + // File managers typically offer uri-list first + let offered = vec!["text/uri-list".to_string(), "text/plain".to_string()]; + assert_eq!(pick_mime(&offered, "any").unwrap(), "text/uri-list"); + } + + /// Test that "text" preference is handled separately from pick_mime logic. + /// Documents that "text" preference uses PasteMimeType::Text directly + /// without querying MIME type ordering. This is functionally a regression + /// test for `negotiate_mime_type()`, which is load bearing, to ensure that + /// we don't mess it up. + #[test] + fn test_text_preference_behavior() { + // When preference is "text", negotiate_mime_type() should: + // 1. Use PasteMimeType::Text directly (no ordering query via + // get_mime_types_ordered) + // 2. Return content with text/plain MIME type + // + // Note: "text" is NOT passed to pick_mime() - it's handled separately + // in negotiate_mime_type() before the pick_mime logic. + // This test documents the separation of concerns. + let offered = vec![ + "text/html".to_string(), + "image/png".to_string(), + "text/plain".to_string(), + ]; + // pick_mime is only called for "image" and "any" preferences + // "text" goes through a different code path + assert_eq!(pick_mime(&offered, "any").unwrap(), "image/png"); + } + + /// Test MIME type selection priority for "any" preference with multiple + /// types. Documents that: + /// 1. Image types are preferred over text/html + /// 2. Non-html text types are preferred over text/html + /// 3. First offered type is used when no special cases match + #[test] + fn test_any_preference_selection_priority() { + // Priority 1: Image over HTML + let offered = vec!["text/html".to_string(), "image/png".to_string()]; + assert_eq!(pick_mime(&offered, "any").unwrap(), "image/png"); + + // Priority 2: Plain text over HTML + let offered = vec!["text/html".to_string(), "text/plain".to_string()]; + assert_eq!(pick_mime(&offered, "any").unwrap(), "text/plain"); + + // Priority 3: First type when no special handling + let offered = + vec!["application/json".to_string(), "text/plain".to_string()]; + assert_eq!(pick_mime(&offered, "any").unwrap(), "application/json"); + } + + /// Test "image" preference behavior. + /// Documents that: + /// 1. First image/* type is selected + /// 2. Falls back to first type if no images + #[test] + fn test_image_preference_selection_behavior() { + // Multiple images - pick first one + let offered = vec![ + "image/jpeg".to_string(), + "image/png".to_string(), + "text/plain".to_string(), + ]; + assert_eq!(pick_mime(&offered, "image").unwrap(), "image/jpeg"); + + // No images - fall back to first + let offered = vec!["text/html".to_string(), "text/plain".to_string()]; + assert_eq!(pick_mime(&offered, "image").unwrap(), "text/html"); + } + + /// Test edge case: text/html as only option. + /// Documents that text/html is used when it's the only type available. + #[test] + fn test_html_fallback_as_only_option() { + let offered = vec!["text/html".to_string()]; + assert_eq!(pick_mime(&offered, "any").unwrap(), "text/html"); + assert_eq!(pick_mime(&offered, "image").unwrap(), "text/html"); + } + + /// Test complex Firefox scenario with all MIME types. + /// Documents expected behavior when source offers many types. + #[test] + fn test_firefox_copy_image_all_types() { + // Firefox "Copy Image" offers: + // text/html, text/_moz_htmlcontext, text/_moz_htmlinfo, + // image/png, image/bmp, image/x-bmp, image/x-ico, + // text/ico, application/ico, image/ico, image/icon, + // text/icon, image/x-win-bitmap, image/x-win-bmp, + // image/x-icon, text/plain + let offered = vec![ + "text/html".to_string(), + "text/_moz_htmlcontext".to_string(), + "image/png".to_string(), + "image/bmp".to_string(), + "text/plain".to_string(), + ]; + + // "any" should pick image/png (first image, skipping HTML) + assert_eq!(pick_mime(&offered, "any").unwrap(), "image/png"); + + // "image" should pick image/png + assert_eq!(pick_mime(&offered, "image").unwrap(), "image/png"); + } + + /// Test complex Electron app scenario. + #[test] + fn test_electron_app_mime_types() { + // Electron apps often offer: text/html, image/png, text/plain + let offered = vec![ + "text/html".to_string(), + "image/png".to_string(), + "text/plain".to_string(), + ]; + + assert_eq!(pick_mime(&offered, "any").unwrap(), "image/png"); + assert_eq!(pick_mime(&offered, "image").unwrap(), "image/png"); + } + + /// Test that the function handles empty offers correctly. + /// Documents that empty offers result in an error (NoSeats equivalent). + #[test] + fn test_empty_offers_behavior() { + let offered: Vec = vec![]; + assert!(pick_mime(&offered, "any").is_none()); + assert!(pick_mime(&offered, "image").is_none()); + assert!(pick_mime(&offered, "text").is_none()); + } + + /// Test file manager behavior with URI lists. + #[test] + fn test_file_manager_uri_list_behavior() { + // File managers typically offer: text/uri-list, text/plain, + // x-special/gnome-copied-files + let offered = vec![ + "text/uri-list".to_string(), + "text/plain".to_string(), + "x-special/gnome-copied-files".to_string(), + ]; + + // "any" should pick text/uri-list (first) + assert_eq!(pick_mime(&offered, "any").unwrap(), "text/uri-list"); + + // "image" should fall back to text/uri-list + assert_eq!(pick_mime(&offered, "image").unwrap(), "text/uri-list"); } } diff --git a/src/commands/wipe.rs b/src/commands/wipe.rs deleted file mode 100644 index c0bb9ee..0000000 --- a/src/commands/wipe.rs +++ /dev/null @@ -1,13 +0,0 @@ -use crate::db::{ClipboardDb, SqliteClipboardDb, StashError}; - -pub trait WipeCommand { - fn wipe(&self) -> Result<(), StashError>; -} - -impl WipeCommand for SqliteClipboardDb { - fn wipe(&self) -> Result<(), StashError> { - self.wipe_db()?; - log::info!("Database wiped"); - Ok(()) - } -} diff --git a/src/db/mod.rs b/src/db/mod.rs index efbbd0c..65eb097 100644 --- a/src/db/mod.rs +++ b/src/db/mod.rs @@ -3,83 +3,273 @@ use std::{ fmt, fs, io::{BufRead, BufReader, Read, Write}, + path::PathBuf, str, + sync::{Mutex, OnceLock}, + time::{Duration, Instant}, }; -use base64::{Engine, engine::general_purpose::STANDARD}; -use imagesize::{ImageSize, ImageType}; -use log::{error, info, warn}; +pub mod nonblocking; + +use std::hash::Hasher; + +use crate::hash::Fnv1aHasher; + +/// Cache for process scanning results to avoid expensive `/proc` reads on every +/// store operation. TTL of 5 seconds balances freshness with performance. +struct ProcessCache { + last_scan: Instant, + excluded_app: Option, +} + +impl ProcessCache { + const TTL: Duration = Duration::from_secs(5); + + /// Check cache for recently active excluded app. + /// Only caches positive results (when an excluded app IS found). + /// Negative results (no excluded apps) are never cached to ensure + /// we don't miss exclusions when users switch apps. + fn get(excluded_apps: &[String]) -> Option { + static CACHE: OnceLock> = OnceLock::new(); + let cache = CACHE.get_or_init(|| { + Mutex::new(ProcessCache { + last_scan: Instant::now().checked_sub(Self::TTL).unwrap(), /* Expire immediately on + * first use */ + excluded_app: None, + }) + }); + + if let Ok(mut cache) = cache.lock() { + // Check if we have a valid cached positive result + if cache.last_scan.elapsed() < Self::TTL + && let Some(ref app) = cache.excluded_app + { + // Verify the cached app is still in the exclusion list + if app_matches_exclusion(app, excluded_apps) { + return Some(app.clone()); + } + } + + // No valid cache, scan and only cache positive results + let result = get_recently_active_excluded_app_uncached(excluded_apps); + if result.is_some() { + cache.last_scan = Instant::now(); + cache.excluded_app = result.clone(); + } else { + // Don't cache negative results. We expire cache immediately so next + // call will rescan. This ensures we don't miss exclusions when user + // switches from non-excluded to excluded app. + cache.last_scan = Instant::now().checked_sub(Self::TTL).unwrap(); + cache.excluded_app = None; + } + result + } else { + // Lock poisoned - fall back to uncached + get_recently_active_excluded_app_uncached(excluded_apps) + } + } +} + +use base64::prelude::*; +use log::{debug, error, info, warn}; +use mime_sniffer::MimeTypeSniffer; use regex::Regex; use rusqlite::{Connection, OptionalExtension, params}; use serde::{Deserialize, Serialize}; -use serde_json::json; use thiserror::Error; +pub const DEFAULT_MAX_ENTRY_SIZE: usize = 5_000_000; + +/// Query builder helper for list operations. +/// Centralizes WHERE clause and ORDER BY generation to avoid duplication. +struct ListQueryBuilder { + include_expired: bool, + reverse: bool, + search_pattern: Option, + limit: Option, + offset: Option, +} + +impl ListQueryBuilder { + fn new(include_expired: bool, reverse: bool) -> Self { + Self { + include_expired, + reverse, + search_pattern: None, + limit: None, + offset: None, + } + } + + fn with_search(mut self, pattern: Option<&str>) -> Self { + self.search_pattern = pattern.map(|s| { + let escaped = s.replace('!', "!!").replace('%', "!%").replace('_', "!_"); + format!("%{escaped}%") + }); + self + } + + fn with_pagination(mut self, offset: usize, limit: usize) -> Self { + self.offset = Some(offset); + self.limit = Some(limit); + self + } + + fn where_clause(&self) -> String { + let mut conditions = Vec::new(); + + if !self.include_expired { + conditions.push("(is_expired IS NULL OR is_expired = 0)"); + } + + if self.search_pattern.is_some() { + conditions + .push("(LOWER(CAST(contents AS TEXT)) LIKE LOWER(?1) ESCAPE '!')"); + } + + if conditions.is_empty() { + String::new() + } else { + format!("WHERE {}", conditions.join(" AND ")) + } + } + + fn order_clause(&self) -> String { + let order = if self.reverse { "ASC" } else { "DESC" }; + format!("ORDER BY COALESCE(last_accessed, 0) {order}, id {order}") + } + + fn pagination_clause(&self) -> String { + match (self.limit, self.offset) { + (Some(limit), Some(offset)) => format!("LIMIT {limit} OFFSET {offset}"), + _ => String::new(), + } + } + + fn select_star_query(&self) -> String { + let where_clause = self.where_clause(); + let order_clause = self.order_clause(); + let pagination = self.pagination_clause(); + + format!( + "SELECT id, contents, mime FROM clipboard {where_clause} {order_clause} \ + {pagination}" + ) + .trim() + .to_string() + } + + fn count_query(&self) -> String { + let where_clause = self.where_clause(); + format!("SELECT COUNT(*) FROM clipboard {where_clause}") + .trim() + .to_string() + } + + fn search_param(&self) -> Option<&str> { + self.search_pattern.as_deref() + } +} + #[derive(Error, Debug)] pub enum StashError { #[error("Input is empty or too large, skipping store.")] EmptyOrTooLarge, #[error("Input is all whitespace, skipping store.")] AllWhitespace, + #[error("Entry too small (min size: {0} bytes), skipping store.")] + TooSmall(usize), + #[error("Entry too large (max size: {0} bytes), skipping store.")] + TooLarge(usize), #[error("Failed to store entry: {0}")] - Store(String), + Store(Box), + #[error("Entry excluded by app filter: {0}")] + ExcludedByApp(Box), #[error("Error reading entry during deduplication: {0}")] - DeduplicationRead(String), + DeduplicationRead(Box), #[error("Error decoding entry during deduplication: {0}")] - DeduplicationDecode(String), + DeduplicationDecode(Box), #[error("Failed to remove entry during deduplication: {0}")] - DeduplicationRemove(String), + DeduplicationRemove(Box), #[error("Failed to trim entry: {0}")] - Trim(String), + Trim(Box), #[error("No entries to delete")] NoEntriesToDelete, #[error("Failed to delete last entry: {0}")] - DeleteLast(String), + DeleteLast(Box), #[error("Failed to wipe database: {0}")] - Wipe(String), + Wipe(Box), #[error("Failed to decode entry during list: {0}")] - ListDecode(String), + ListDecode(Box), #[error("Failed to read input for decode: {0}")] - DecodeRead(String), + DecodeRead(Box), #[error("Failed to extract id for decode: {0}")] - DecodeExtractId(String), + DecodeExtractId(Box), #[error("Failed to get entry for decode: {0}")] - DecodeGet(String), + DecodeGet(Box), #[error("Failed to write decoded entry: {0}")] - DecodeWrite(String), + DecodeWrite(Box), #[error("Failed to delete entry during query delete: {0}")] - QueryDelete(String), + QueryDelete(Box), #[error("Failed to delete entry with id {0}: {1}")] - DeleteEntry(u64, String), + DeleteEntry(i64, Box), } pub trait ClipboardDb { + /// Store a new clipboard entry. + /// + /// # Arguments + /// * `input` - Reader for the clipboard content + /// * `max_dedupe_search` - Maximum number of recent entries to check for + /// duplicates + /// * `max_items` - Maximum total entries to keep in database + /// * `excluded_apps` - List of app names to exclude + /// * `min_size` - Minimum content size (None for no minimum) + /// * `max_size` - Maximum content size + /// * `content_hash` - Optional pre-computed content hash (avoids re-hashing) + /// * `mime_types` - Optional list of all MIME types offered (for persistence) + #[allow(clippy::too_many_arguments)] fn store_entry( &self, input: impl Read, max_dedupe_search: u64, max_items: u64, - ) -> Result; - fn deduplicate(&self, buf: &[u8], max: u64) -> Result; - fn trim_db(&self, max: u64) -> Result<(), StashError>; + excluded_apps: Option<&[String]>, + min_size: Option, + max_size: usize, + content_hash: Option, + mime_types: Option<&[String]>, + ) -> Result; + + fn deduplicate_by_hash( + &self, + content_hash: i64, + max: u64, + ) -> Result; + fn trim_db(&self, max_items: u64) -> Result<(), StashError>; fn delete_last(&self) -> Result<(), StashError>; fn wipe_db(&self) -> Result<(), StashError>; fn list_entries( &self, out: impl Write, preview_width: u32, + include_expired: bool, + reverse: bool, ) -> Result; fn decode_entry( &self, - in_: impl Read, + input: impl Read, out: impl Write, - input: Option, + id_hint: Option, ) -> Result<(), StashError>; fn delete_query(&self, query: &str) -> Result; - fn delete_entries(&self, in_: impl Read) -> Result; - fn next_sequence(&self) -> u64; + fn delete_entries(&self, input: impl Read) -> Result; + fn copy_entry( + &self, + id: i64, + ) -> Result<(i64, Vec, Option), StashError>; } #[derive(Serialize, Deserialize)] @@ -96,56 +286,322 @@ impl fmt::Display for Entry { } pub struct SqliteClipboardDb { - pub conn: Connection, + pub conn: Connection, + pub db_path: PathBuf, } impl SqliteClipboardDb { - pub fn new(conn: Connection) -> Result { + pub fn new( + mut conn: Connection, + db_path: PathBuf, + ) -> Result { conn - .execute_batch( + .pragma_update(None, "synchronous", "OFF") + .map_err(|e| { + StashError::Store( + format!("Failed to set synchronous pragma: {e}").into(), + ) + })?; + conn + .pragma_update(None, "journal_mode", "MEMORY") + .map_err(|e| { + StashError::Store( + format!("Failed to set journal_mode pragma: {e}").into(), + ) + })?; + conn.pragma_update(None, "cache_size", "-256") // 256KB cache + .map_err(|e| StashError::Store(format!("Failed to set cache_size pragma: {e}").into()))?; + conn + .pragma_update(None, "temp_store", "memory") + .map_err(|e| { + StashError::Store( + format!("Failed to set temp_store pragma: {e}").into(), + ) + })?; + conn.pragma_update(None, "mmap_size", "0") // disable mmap + .map_err(|e| StashError::Store(format!("Failed to set mmap_size pragma: {e}").into()))?; + conn.pragma_update(None, "page_size", "512") // small(er) pages + .map_err(|e| StashError::Store(format!("Failed to set page_size pragma: {e}").into()))?; + + let tx = conn.transaction().map_err(|e| { + StashError::Store( + format!("Failed to begin migration transaction: {e}").into(), + ) + })?; + + let schema_version: i64 = tx + .pragma_query_value(None, "user_version", |row| row.get(0)) + .map_err(|e| { + StashError::Store(format!("Failed to read schema version: {e}").into()) + })?; + + if schema_version == 0 { + tx.execute_batch( "CREATE TABLE IF NOT EXISTS clipboard ( id INTEGER PRIMARY KEY AUTOINCREMENT, contents BLOB NOT NULL, mime TEXT );", ) - .map_err(|e| StashError::Store(e.to_string()))?; - Ok(Self { conn }) + .map_err(|e| { + StashError::Store( + format!("Failed to create clipboard table: {e}").into(), + ) + })?; + + tx.execute("PRAGMA user_version = 1", []).map_err(|e| { + StashError::Store(format!("Failed to set schema version: {e}").into()) + })?; + } + + // Add content_hash column if it doesn't exist. Migration MUST be done to + // avoid breaking existing installations. + if schema_version < 2 { + let has_content_hash: bool = tx + .query_row( + "SELECT sql FROM sqlite_master WHERE type='table' AND \ + name='clipboard'", + [], + |row| { + let sql: String = row.get(0)?; + Ok(sql.to_lowercase().contains("content_hash")) + }, + ) + .unwrap_or(false); + + if !has_content_hash { + tx.execute("ALTER TABLE clipboard ADD COLUMN content_hash INTEGER", []) + .map_err(|e| { + StashError::Store( + format!("Failed to add content_hash column: {e}").into(), + ) + })?; + } + + // Create index for content_hash if it doesn't exist + tx.execute( + "CREATE INDEX IF NOT EXISTS idx_content_hash ON \ + clipboard(content_hash)", + [], + ) + .map_err(|e| { + StashError::Store( + format!("Failed to create content_hash index: {e}").into(), + ) + })?; + + tx.execute("PRAGMA user_version = 2", []).map_err(|e| { + StashError::Store(format!("Failed to set schema version: {e}").into()) + })?; + } + + // Add last_accessed column if it doesn't exist + if schema_version < 3 { + let has_last_accessed: bool = tx + .query_row( + "SELECT sql FROM sqlite_master WHERE type='table' AND \ + name='clipboard'", + [], + |row| { + let sql: String = row.get(0)?; + Ok(sql.to_lowercase().contains("last_accessed")) + }, + ) + .unwrap_or(false); + + if !has_last_accessed { + tx.execute("ALTER TABLE clipboard ADD COLUMN last_accessed INTEGER", [ + ]) + .map_err(|e| { + StashError::Store( + format!("Failed to add last_accessed column: {e}").into(), + ) + })?; + } + + // Create index for last_accessed if it doesn't exist + tx.execute( + "CREATE INDEX IF NOT EXISTS idx_last_accessed ON \ + clipboard(last_accessed)", + [], + ) + .map_err(|e| { + StashError::Store( + format!("Failed to create last_accessed index: {e}").into(), + ) + })?; + + tx.execute("PRAGMA user_version = 3", []).map_err(|e| { + StashError::Store(format!("Failed to set schema version: {e}").into()) + })?; + } + + // Add expires_at column if it doesn't exist (v4) + if schema_version < 4 { + let has_expires_at: bool = tx + .query_row( + "SELECT sql FROM sqlite_master WHERE type='table' AND \ + name='clipboard'", + [], + |row| { + let sql: String = row.get(0)?; + Ok(sql.to_lowercase().contains("expires_at")) + }, + ) + .unwrap_or(false); + + if !has_expires_at { + tx.execute("ALTER TABLE clipboard ADD COLUMN expires_at REAL", []) + .map_err(|e| { + StashError::Store( + format!("Failed to add expires_at column: {e}").into(), + ) + })?; + } + + // Create partial index for expires_at (only index non-NULL values) + tx.execute( + "CREATE INDEX IF NOT EXISTS idx_expires_at ON clipboard(expires_at) \ + WHERE expires_at IS NOT NULL", + [], + ) + .map_err(|e| { + StashError::Store( + format!("Failed to create expires_at index: {e}").into(), + ) + })?; + + tx.execute("PRAGMA user_version = 4", []).map_err(|e| { + StashError::Store(format!("Failed to set schema version: {e}").into()) + })?; + } + + // Add is_expired column if it doesn't exist (v5) + if schema_version < 5 { + let has_is_expired: bool = tx + .query_row( + "SELECT sql FROM sqlite_master WHERE type='table' AND \ + name='clipboard'", + [], + |row| { + let sql: String = row.get(0)?; + Ok(sql.to_lowercase().contains("is_expired")) + }, + ) + .unwrap_or(false); + + if !has_is_expired { + tx.execute( + "ALTER TABLE clipboard ADD COLUMN is_expired INTEGER DEFAULT 0", + [], + ) + .map_err(|e| { + StashError::Store( + format!("Failed to add is_expired column: {e}").into(), + ) + })?; + } + + // Create index for is_expired (for filtering) + tx.execute( + "CREATE INDEX IF NOT EXISTS idx_is_expired ON clipboard(is_expired) \ + WHERE is_expired = 1", + [], + ) + .map_err(|e| { + StashError::Store( + format!("Failed to create is_expired index: {e}").into(), + ) + })?; + + tx.execute("PRAGMA user_version = 5", []).map_err(|e| { + StashError::Store(format!("Failed to set schema version: {e}").into()) + })?; + } + + // Add mime_types column if it doesn't exist (v6) + // Stores all MIME types offered by the source application as JSON array. + // Needed for clipboard persistence to re-offer the same types. + if schema_version < 6 { + let has_mime_types: bool = tx + .query_row( + "SELECT sql FROM sqlite_master WHERE type='table' AND \ + name='clipboard'", + [], + |row| { + let sql: String = row.get(0)?; + Ok(sql.to_lowercase().contains("mime_types")) + }, + ) + .unwrap_or(false); + + if !has_mime_types { + tx.execute("ALTER TABLE clipboard ADD COLUMN mime_types TEXT", []) + .map_err(|e| { + StashError::Store( + format!("Failed to add mime_types column: {e}").into(), + ) + })?; + } + + tx.execute("PRAGMA user_version = 6", []).map_err(|e| { + StashError::Store(format!("Failed to set schema version: {e}").into()) + })?; + } + + tx.commit().map_err(|e| { + StashError::Store( + format!("Failed to commit migration transaction: {e}").into(), + ) + })?; + + // Initialize Wayland state in background thread. This will be used to track + // focused window state. + #[cfg(feature = "use-toplevel")] + crate::wayland::init_wayland_state(); + Ok(Self { conn, db_path }) } } impl SqliteClipboardDb { - pub fn list_json(&self) -> Result { + pub fn list_json( + &self, + include_expired: bool, + reverse: bool, + ) -> Result { + let builder = ListQueryBuilder::new(include_expired, reverse); + let query = builder.select_star_query(); let mut stmt = self .conn - .prepare("SELECT id, contents, mime FROM clipboard ORDER BY id DESC") - .map_err(|e| StashError::ListDecode(e.to_string()))?; + .prepare(&query) + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; let mut rows = stmt .query([]) - .map_err(|e| StashError::ListDecode(e.to_string()))?; + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; let mut entries = Vec::new(); while let Some(row) = rows .next() - .map_err(|e| StashError::ListDecode(e.to_string()))? + .map_err(|e| StashError::ListDecode(e.to_string().into()))? { - let id: u64 = row + let id: i64 = row .get(0) - .map_err(|e| StashError::ListDecode(e.to_string()))?; + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; let contents: Vec = row .get(1) - .map_err(|e| StashError::ListDecode(e.to_string()))?; + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; let mime: Option = row .get(2) - .map_err(|e| StashError::ListDecode(e.to_string()))?; + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; + let contents_str = match mime.as_deref() { Some(m) if m.starts_with("text/") || m == "application/json" => { - String::from_utf8_lossy(&contents).to_string() + String::from_utf8_lossy(&contents).into_owned() }, - _ => STANDARD.encode(&contents), + _ => base64::prelude::BASE64_STANDARD.encode(&contents), }; - entries.push(json!({ + entries.push(serde_json::json!({ "id": id, "contents": contents_str, "mime": mime, @@ -153,7 +609,7 @@ impl SqliteClipboardDb { } serde_json::to_string_pretty(&entries) - .map_err(|e| StashError::ListDecode(e.to_string())) + .map_err(|e| StashError::ListDecode(e.to_string().into())) } } @@ -163,95 +619,148 @@ impl ClipboardDb for SqliteClipboardDb { mut input: impl Read, max_dedupe_search: u64, max_items: u64, - ) -> Result { + excluded_apps: Option<&[String]>, + min_size: Option, + max_size: usize, + content_hash: Option, + mime_types: Option<&[String]>, + ) -> Result { let mut buf = Vec::new(); - if input.read_to_end(&mut buf).is_err() - || buf.is_empty() - || buf.len() > 5 * 1_000_000 - { + if input.read_to_end(&mut buf).is_err() || buf.is_empty() { return Err(StashError::EmptyOrTooLarge); } + + let size = buf.len(); + + if let Some(min) = min_size + && size < min + { + return Err(StashError::TooSmall(min)); + } + + if size > max_size { + return Err(StashError::TooLarge(max_size)); + } + if buf.iter().all(u8::is_ascii_whitespace) { return Err(StashError::AllWhitespace); } - let mime = match detect_mime(&buf) { - None => { - // If valid UTF-8, treat as text/plain - if std::str::from_utf8(&buf).is_ok() { - Some("text/plain".to_string()) - } else { - None - } - }, - other => other, - }; + // Use pre-computed hash if provided, otherwise calculate it + let content_hash = content_hash.unwrap_or_else(|| { + let mut hasher = Fnv1aHasher::new(); + hasher.write(&buf); + #[allow(clippy::cast_possible_wrap)] + let hash = hasher.finish() as i64; + hash + }); + + let mime = crate::mime::detect_mime(&buf); // Try to load regex from systemd credential file, then env var let regex = load_sensitive_regex(); if let Some(re) = regex { // Only check text data - if let Ok(s) = std::str::from_utf8(&buf) { - if re.is_match(s) { - warn!("Clipboard entry matches sensitive regex, skipping store."); - return Err(StashError::Store( - "Filtered by sensitive regex".to_string(), - )); - } + if let Ok(s) = std::str::from_utf8(&buf) + && re.is_match(s) + { + warn!("Clipboard entry matches sensitive regex, skipping store."); + return Err(StashError::Store("Filtered by sensitive regex".into())); } } - self.deduplicate(&buf, max_dedupe_search)?; + // Check if clipboard should be excluded based on running apps + if should_exclude_by_app(excluded_apps) { + warn!("Clipboard entry excluded by app filter"); + return Err(StashError::ExcludedByApp( + "Clipboard entry from excluded app".into(), + )); + } + + self.deduplicate_by_hash(content_hash, max_dedupe_search)?; + + let mime_types_json: Option = match mime_types { + Some(types) => { + Some( + serde_json::to_string(&types) + .map_err(|e| StashError::Store(e.to_string().into()))?, + ) + }, + None => None, + }; self .conn .execute( - "INSERT INTO clipboard (contents, mime) VALUES (?1, ?2)", - params![buf, mime], + "INSERT INTO clipboard (contents, mime, content_hash, last_accessed, \ + mime_types) VALUES (?1, ?2, ?3, ?4, ?5)", + params![ + buf, + mime, + content_hash, + std::time::SystemTime::now() + .duration_since(std::time::UNIX_EPOCH) + .expect("Time went backwards") + .as_secs() as i64, + mime_types_json + ], ) - .map_err(|e| StashError::Store(e.to_string()))?; + .map_err(|e| StashError::Store(e.to_string().into()))?; + + let id = self + .conn + .query_row("SELECT last_insert_rowid()", [], |row| row.get(0)) + .map_err(|e| StashError::Store(e.to_string().into()))?; self.trim_db(max_items)?; - Ok(self.next_sequence()) + Ok(id) } - fn deduplicate(&self, buf: &[u8], max: u64) -> Result { + fn deduplicate_by_hash( + &self, + content_hash: i64, + max: u64, + ) -> Result { let mut stmt = self .conn - .prepare("SELECT id, contents FROM clipboard ORDER BY id DESC LIMIT ?1") - .map_err(|e| StashError::DeduplicationRead(e.to_string()))?; + .prepare( + "SELECT id FROM clipboard WHERE content_hash = ?1 ORDER BY id DESC \ + LIMIT ?2", + ) + .map_err(|e| StashError::DeduplicationRead(e.to_string().into()))?; let mut rows = stmt - .query(params![i64::try_from(max).unwrap_or(i64::MAX)]) - .map_err(|e| StashError::DeduplicationRead(e.to_string()))?; + .query(params![ + content_hash, + i64::try_from(max).unwrap_or(i64::MAX) + ]) + .map_err(|e| StashError::DeduplicationRead(e.to_string().into()))?; let mut deduped = 0; while let Some(row) = rows .next() - .map_err(|e| StashError::DeduplicationRead(e.to_string()))? + .map_err(|e| StashError::DeduplicationRead(e.to_string().into()))? { - let id: u64 = row + let id: i64 = row .get(0) - .map_err(|e| StashError::DeduplicationDecode(e.to_string()))?; - let contents: Vec = row - .get(1) - .map_err(|e| StashError::DeduplicationDecode(e.to_string()))?; - if contents == buf { - self - .conn - .execute("DELETE FROM clipboard WHERE id = ?1", params![id]) - .map_err(|e| StashError::DeduplicationRemove(e.to_string()))?; - deduped += 1; - } + .map_err(|e| StashError::DeduplicationDecode(e.to_string().into()))?; + self + .conn + .execute("DELETE FROM clipboard WHERE id = ?1", params![id]) + .map_err(|e| StashError::DeduplicationRemove(e.to_string().into()))?; + deduped += 1; } Ok(deduped) } fn trim_db(&self, max: u64) -> Result<(), StashError> { - let count: u64 = self + let count: i64 = self .conn .query_row("SELECT COUNT(*) FROM clipboard", [], |row| row.get(0)) - .map_err(|e| StashError::Trim(e.to_string()))?; - if count > max { - let to_delete = count - max; + .map_err(|e| StashError::Trim(e.to_string().into()))?; + let max_i64 = i64::try_from(max).unwrap_or(i64::MAX); + if count > max_i64 { + let to_delete = count - max_i64; + + #[allow(clippy::useless_conversion)] self .conn .execute( @@ -259,13 +768,13 @@ impl ClipboardDb for SqliteClipboardDb { BY id ASC LIMIT ?1)", params![i64::try_from(to_delete).unwrap_or(i64::MAX)], ) - .map_err(|e| StashError::Trim(e.to_string()))?; + .map_err(|e| StashError::Trim(e.to_string().into()))?; } Ok(()) } fn delete_last(&self) -> Result<(), StashError> { - let id: Option = self + let id: Option = self .conn .query_row( "SELECT id FROM clipboard ORDER BY id DESC LIMIT 1", @@ -273,12 +782,12 @@ impl ClipboardDb for SqliteClipboardDb { |row| row.get(0), ) .optional() - .map_err(|e| StashError::DeleteLast(e.to_string()))?; + .map_err(|e| StashError::DeleteLast(e.to_string().into()))?; if let Some(id) = id { self .conn .execute("DELETE FROM clipboard WHERE id = ?1", params![id]) - .map_err(|e| StashError::DeleteLast(e.to_string()))?; + .map_err(|e| StashError::DeleteLast(e.to_string().into()))?; Ok(()) } else { Err(StashError::NoEntriesToDelete) @@ -289,11 +798,11 @@ impl ClipboardDb for SqliteClipboardDb { self .conn .execute("DELETE FROM clipboard", []) - .map_err(|e| StashError::Wipe(e.to_string()))?; + .map_err(|e| StashError::Wipe(e.to_string().into()))?; self .conn .execute("DELETE FROM sqlite_sequence WHERE name = 'clipboard'", []) - .map_err(|e| StashError::Wipe(e.to_string()))?; + .map_err(|e| StashError::Wipe(e.to_string().into()))?; Ok(()) } @@ -301,28 +810,34 @@ impl ClipboardDb for SqliteClipboardDb { &self, mut out: impl Write, preview_width: u32, + include_expired: bool, + reverse: bool, ) -> Result { + let builder = ListQueryBuilder::new(include_expired, reverse); + let query = builder.select_star_query(); let mut stmt = self .conn - .prepare("SELECT id, contents, mime FROM clipboard ORDER BY id DESC") - .map_err(|e| StashError::ListDecode(e.to_string()))?; + .prepare(&query) + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; let mut rows = stmt .query([]) - .map_err(|e| StashError::ListDecode(e.to_string()))?; + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; let mut listed = 0; + while let Some(row) = rows .next() - .map_err(|e| StashError::ListDecode(e.to_string()))? + .map_err(|e| StashError::ListDecode(e.to_string().into()))? { - let id: u64 = row + let id: i64 = row .get(0) - .map_err(|e| StashError::ListDecode(e.to_string()))?; + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; let contents: Vec = row .get(1) - .map_err(|e| StashError::ListDecode(e.to_string()))?; + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; let mime: Option = row .get(2) - .map_err(|e| StashError::ListDecode(e.to_string()))?; + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; + let preview = preview_entry(&contents, mime.as_deref(), preview_width); if writeln!(out, "{id}\t{preview}").is_ok() { listed += 1; @@ -333,21 +848,22 @@ impl ClipboardDb for SqliteClipboardDb { fn decode_entry( &self, - mut in_: impl Read, + input: impl Read, mut out: impl Write, - input: Option, + id_hint: Option, ) -> Result<(), StashError> { - let s = if let Some(input) = input { - input + let input_str = if let Some(s) = id_hint { + s } else { + let mut input = BufReader::new(input); let mut buf = String::new(); - in_ + input .read_to_string(&mut buf) - .map_err(|e| StashError::DecodeRead(e.to_string()))?; + .map_err(|e| StashError::DecodeExtractId(e.to_string().into()))?; buf }; - let id = - extract_id(&s).map_err(|e| StashError::DecodeExtractId(e.to_string()))?; + let id: i64 = extract_id(&input_str) + .map_err(|e| StashError::DecodeExtractId(e.into()))?; let (contents, _mime): (Vec, Option) = self .conn .query_row( @@ -355,11 +871,11 @@ impl ClipboardDb for SqliteClipboardDb { params![id], |row| Ok((row.get(0)?, row.get(1)?)), ) - .map_err(|e| StashError::DecodeGet(e.to_string()))?; + .map_err(|e| StashError::DecodeGet(e.to_string().into()))?; out .write_all(&contents) - .map_err(|e| StashError::DecodeWrite(e.to_string()))?; - info!("Decoded entry with id {id}"); + .map_err(|e| StashError::DecodeWrite(e.to_string().into()))?; + log::info!("decoded entry with id {id}"); Ok(()) } @@ -367,26 +883,26 @@ impl ClipboardDb for SqliteClipboardDb { let mut stmt = self .conn .prepare("SELECT id, contents FROM clipboard") - .map_err(|e| StashError::QueryDelete(e.to_string()))?; + .map_err(|e| StashError::QueryDelete(e.to_string().into()))?; let mut rows = stmt .query([]) - .map_err(|e| StashError::QueryDelete(e.to_string()))?; + .map_err(|e| StashError::QueryDelete(e.to_string().into()))?; let mut deleted = 0; while let Some(row) = rows .next() - .map_err(|e| StashError::QueryDelete(e.to_string()))? + .map_err(|e| StashError::QueryDelete(e.to_string().into()))? { - let id: u64 = row + let id: i64 = row .get(0) - .map_err(|e| StashError::QueryDelete(e.to_string()))?; + .map_err(|e| StashError::QueryDelete(e.to_string().into()))?; let contents: Vec = row .get(1) - .map_err(|e| StashError::QueryDelete(e.to_string()))?; + .map_err(|e| StashError::QueryDelete(e.to_string().into()))?; if contents.windows(query.len()).any(|w| w == query.as_bytes()) { self .conn .execute("DELETE FROM clipboard WHERE id = ?1", params![id]) - .map_err(|e| StashError::QueryDelete(e.to_string()))?; + .map_err(|e| StashError::QueryDelete(e.to_string().into()))?; deleted += 1; } } @@ -401,128 +917,321 @@ impl ClipboardDb for SqliteClipboardDb { self .conn .execute("DELETE FROM clipboard WHERE id = ?1", params![id]) - .map_err(|e| StashError::DeleteEntry(id, e.to_string()))?; + .map_err(|e| StashError::DeleteEntry(id, e.to_string().into()))?; deleted += 1; } } Ok(deleted) } - fn next_sequence(&self) -> u64 { - match self - .conn - .query_row("SELECT MAX(id) FROM clipboard", [], |row| { - row.get::<_, Option>(0) - }) { - Ok(Some(max_id)) => max_id + 1, - Ok(None) | Err(_) => 1, + fn copy_entry( + &self, + id: i64, + ) -> Result<(i64, Vec, Option), StashError> { + let (contents, mime, content_hash): (Vec, Option, Option) = + self + .conn + .query_row( + "SELECT contents, mime, content_hash FROM clipboard WHERE id = ?1", + params![id], + |row| Ok((row.get(0)?, row.get(1)?, row.get(2)?)), + ) + .map_err(|e| StashError::DecodeGet(e.to_string().into()))?; + + if let Some(hash) = content_hash { + let most_recent_id: Option = self + .conn + .query_row( + "SELECT id FROM clipboard WHERE content_hash = ?1 AND last_accessed \ + = (SELECT MAX(last_accessed) FROM clipboard WHERE content_hash = \ + ?1)", + params![hash], + |row| row.get(0), + ) + .optional() + .map_err(|e| StashError::DecodeGet(e.to_string().into()))?; + + if most_recent_id != Some(id) { + self + .conn + .execute( + "UPDATE clipboard SET last_accessed = CAST(strftime('%s', 'now') \ + AS INTEGER) WHERE id = ?1", + params![id], + ) + .map_err(|e| StashError::Store(e.to_string().into()))?; + } } + + Ok((id, contents, mime)) } } -// Helper functions +impl SqliteClipboardDb { + /// Count visible clipboard entries, with respect to `include_expired` and + /// optional search filter. + pub fn count_entries( + &self, + include_expired: bool, + search: Option<&str>, + ) -> Result { + let builder = + ListQueryBuilder::new(include_expired, false).with_search(search); + let query = builder.count_query(); + + let count: i64 = if let Some(pattern) = builder.search_param() { + self.conn.query_row(&query, [pattern], |r| r.get(0)) + } else { + self.conn.query_row(&query, [], |r| r.get(0)) + } + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; + Ok(count.max(0) as usize) + } + + /// Fetch a window of entries for TUI virtual scrolling. + /// + /// Returns `(id, preview_string, mime_string)` tuples for at most + /// `limit` rows starting at `offset` (0-indexed) in the canonical + /// display order (most-recently-accessed first, then id DESC). + /// Optionally filters by search query in a case-insensitive nabber on text + /// content. + pub fn fetch_entries_window( + &self, + include_expired: bool, + offset: usize, + limit: usize, + preview_width: u32, + search: Option<&str>, + reverse: bool, + ) -> Result, StashError> { + let builder = ListQueryBuilder::new(include_expired, reverse) + .with_search(search) + .with_pagination(offset, limit); + let query = builder.select_star_query(); + + let mut stmt = self + .conn + .prepare(&query) + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; + + let mut rows = if let Some(pattern) = builder.search_param() { + stmt + .query(rusqlite::params![pattern]) + .map_err(|e| StashError::ListDecode(e.to_string().into()))? + } else { + stmt + .query([]) + .map_err(|e| StashError::ListDecode(e.to_string().into()))? + }; + + let mut window = Vec::with_capacity(limit); + while let Some(row) = rows + .next() + .map_err(|e| StashError::ListDecode(e.to_string().into()))? + { + let id: i64 = row + .get(0) + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; + let contents: Vec = row + .get(1) + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; + let mime: Option = row + .get(2) + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; + let preview = preview_entry(&contents, mime.as_deref(), preview_width); + let mime_str = mime.unwrap_or_default(); + window.push((id, preview, mime_str)); + } + Ok(window) + } + + /// Get current Unix timestamp with sub-second precision + pub fn now() -> f64 { + std::time::SystemTime::now() + .duration_since(std::time::UNIX_EPOCH) + .unwrap() + .as_secs_f64() + } + + /// Clean up all expired entries. Returns count deleted. + pub fn cleanup_expired(&self) -> Result { + let now = Self::now(); + self + .conn + .execute( + "DELETE FROM clipboard WHERE expires_at IS NOT NULL AND expires_at <= \ + ?1", + [now], + ) + .map_err(|e| StashError::Trim(e.to_string().into())) + } + + /// Set expiration timestamp for an entry + pub fn set_expiration( + &self, + id: i64, + expires_at: f64, + ) -> Result<(), StashError> { + self + .conn + .execute( + "UPDATE clipboard SET expires_at = ?2 WHERE id = ?1", + params![id, expires_at], + ) + .map_err(|e| StashError::Store(e.to_string().into()))?; + Ok(()) + } + + /// Optimize database using VACUUM + pub fn vacuum(&self) -> Result<(), StashError> { + self + .conn + .execute("VACUUM", []) + .map_err(|e| StashError::Store(e.to_string().into()))?; + Ok(()) + } + + /// Get database statistics + pub fn stats(&self) -> Result { + let total: i64 = self + .conn + .query_row("SELECT COUNT(*) FROM clipboard", [], |row| row.get(0)) + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; + + let expired: i64 = self + .conn + .query_row( + "SELECT COUNT(*) FROM clipboard WHERE is_expired = 1", + [], + |row| row.get(0), + ) + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; + + let active = total - expired; + + let with_expiration: i64 = self + .conn + .query_row( + "SELECT COUNT(*) FROM clipboard WHERE expires_at IS NOT NULL AND \ + (is_expired IS NULL OR is_expired = 0)", + [], + |row| row.get(0), + ) + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; + + // Get database file size + let page_count: i64 = self + .conn + .query_row("PRAGMA page_count", [], |row| row.get(0)) + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; + + let page_size: i64 = self + .conn + .query_row("PRAGMA page_size", [], |row| row.get(0)) + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; + + let size_bytes = page_count * page_size; + let size_mb = size_bytes as f64 / 1024.0 / 1024.0; + + Ok(format!( + "Database Statistics:\n\nEntries:\nTotal: {total}\nActive: \ + {active}\nExpired: {expired}\nWith TTL: \ + {with_expiration}\n\nStorage:\nSize: {size_mb:.2} MB \ + ({size_bytes} bytes)\nPages: {page_count}\nPage size: \ + {page_size} bytes" + )) + } +} /// Try to load a sensitive regex from systemd credential or env. /// /// # Returns +/// /// `Some(Regex)` if present and valid, `None` otherwise. +/// +/// # Note +/// +/// This function checks environment variables on every call to pick up +/// changes made after daemon startup. Regex compilation is cached by +/// pattern to avoid recompilation. fn load_sensitive_regex() -> Option { - if let Ok(regex_path) = env::var("CREDENTIALS_DIRECTORY") { + // Get the current pattern from env vars + let pattern = if let Ok(regex_path) = env::var("CREDENTIALS_DIRECTORY") { let file = format!("{regex_path}/clipboard_filter"); - if let Ok(contents) = fs::read_to_string(&file) { - if let Ok(re) = Regex::new(contents.trim()) { - return Some(re); - } - } + fs::read_to_string(&file).ok().map(|s| s.trim().to_string()) + } else { + env::var("STASH_SENSITIVE_REGEX").ok() + }?; + + // Cache compiled regexes by pattern to avoid recompilation + static REGEX_CACHE: OnceLock< + Mutex>, + > = OnceLock::new(); + let cache = + REGEX_CACHE.get_or_init(|| Mutex::new(std::collections::HashMap::new())); + + // Check cache first + if let Ok(cache) = cache.lock() + && let Some(regex) = cache.get(&pattern) + { + return Some(regex.clone()); } - // Fallback to an environment variable - if let Ok(pattern) = env::var("STASH_SENSITIVE_REGEX") { - if let Ok(re) = Regex::new(&pattern) { - return Some(re); + // Compile and cache + Regex::new(&pattern).ok().inspect(|regex| { + if let Ok(mut cache) = cache.lock() { + cache.insert(pattern.clone(), regex.clone()); } - } - - None + }) } -pub fn extract_id(input: &str) -> Result { +pub fn extract_id(input: &str) -> Result { let id_str = input.split('\t').next().unwrap_or(""); id_str.parse().map_err(|_| "invalid id") } -pub fn detect_mime(data: &[u8]) -> Option { - if let Ok(img_type) = imagesize::image_type(data) { - Some( - match img_type { - ImageType::Png => "image/png", - ImageType::Jpeg => "image/jpeg", - ImageType::Gif => "image/gif", - ImageType::Bmp => "image/bmp", - ImageType::Tiff => "image/tiff", - ImageType::Webp => "image/webp", - ImageType::Aseprite => "image/x-aseprite", - ImageType::Dds => "image/vnd.ms-dds", - ImageType::Exr => "image/aces", - ImageType::Farbfeld => "image/farbfeld", - ImageType::Hdr => "image/vnd.radiance", - ImageType::Ico => "image/x-icon", - ImageType::Ilbm => "image/ilbm", - ImageType::Jxl => "image/jxl", - ImageType::Ktx2 => "image/ktx2", - ImageType::Pnm => "image/x-portable-anymap", - ImageType::Psd => "image/vnd.adobe.photoshop", - ImageType::Qoi => "image/qoi", - ImageType::Tga => "image/x-tga", - ImageType::Vtf => "image/x-vtf", - ImageType::Heif(_) => "image/heif", - _ => "application/octet-stream", - } - .to_string(), - ) - } else { - None - } -} - pub fn preview_entry(data: &[u8], mime: Option<&str>, width: u32) -> String { if let Some(mime) = mime { if mime.starts_with("image/") { - if let Ok(ImageSize { - width: img_width, - height: img_height, - }) = imagesize::blob_size(data) - { - return format!( - "[[ binary data {} {} {}x{} ]]", - size_str(data.len()), - mime, - img_width, - img_height - ); - } + return format!("[[ binary data {} {} ]]", size_str(data.len()), mime); } else if mime == "application/json" || mime.starts_with("text/") { - let s = match str::from_utf8(data) { - Ok(s) => s, - Err(e) => { - error!("Failed to decode UTF-8 clipboard data: {e}"); - "" - }, + let Ok(s) = str::from_utf8(data) else { + return format!("[[ invalid UTF-8 {} ]]", size_str(data.len())); }; - let s = s.trim().replace(|c: char| c.is_whitespace(), " "); - return truncate(&s, width as usize, "…"); + + let trimmed = s.trim(); + if trimmed.len() <= width as usize + && !trimmed.chars().any(|c| c.is_whitespace() && c != ' ') + { + return trimmed.to_string(); + } + + // Only allocate new string if we need to replace whitespace + let mut result = String::with_capacity(width as usize + 1); + for (char_count, c) in trimmed.chars().enumerate() { + if char_count >= width as usize { + result.push('…'); + break; + } + + if c.is_whitespace() { + result.push(' '); + } else { + result.push(c); + } + } + return result; } } - let s = String::from_utf8_lossy(data); - truncate(s.trim(), width as usize, "…") -} -pub fn truncate(s: &str, max: usize, ellip: &str) -> String { - if s.chars().count() > max { - s.chars().take(max).collect::() + ellip - } else { - s.to_string() + // For non-text/non-image data, try to sniff the MIME type + if let Some(sniffed) = data.sniff_mime_type() { + return format!("[[ binary data {} {} ]]", size_str(data.len()), sniffed); } + + // Shouldn't reach here if MIME is properly set, but just in case + info!("Mimetype sniffing failed, omitting"); + format!("[[ binary data {} ]]", size_str(data.len())) } pub fn size_str(size: usize) -> String { @@ -540,3 +1249,993 @@ pub fn size_str(size: usize) -> String { } format!("{:.0} {}", fsize, units[i]) } + +/// Check if clipboard should be excluded based on excluded apps configuration. +/// Uses timing correlation and focused window detection to identify source app. +fn should_exclude_by_app(excluded_apps: Option<&[String]>) -> bool { + let excluded = match excluded_apps { + Some(apps) if !apps.is_empty() => apps, + _ => return false, + }; + + // Try multiple detection strategies + if detect_excluded_app_activity(excluded) { + return true; + } + + false +} + +/// Detect if clipboard likely came from an excluded app using multiple +/// strategies. +fn detect_excluded_app_activity(excluded_apps: &[String]) -> bool { + debug!("Checking clipboard exclusion against: {excluded_apps:?}"); + + // Strategy 1: Check focused window (compositor-dependent) + if let Some(focused_app) = get_focused_window_app() { + debug!("Focused window detected: {focused_app}"); + if app_matches_exclusion(&focused_app, excluded_apps) { + debug!("Clipboard excluded: focused window matches {focused_app}"); + return true; + } + } else { + debug!("No focused window detected"); + } + + // Strategy 2: Check recently active processes (timing correlation) + // Use cached results to avoid expensive /proc scanning + if let Some(active_app) = ProcessCache::get(excluded_apps) { + debug!("Clipboard excluded: recent activity from {active_app}"); + return true; + } + debug!("No recently active excluded apps found"); + + debug!("Clipboard not excluded"); + false +} + +/// Try to get the currently focused window application name. +fn get_focused_window_app() -> Option { + // Try Wayland protocol first + #[cfg(feature = "use-toplevel")] + if let Some(app) = crate::wayland::get_focused_window_app() { + return Some(app); + } + + // Fallback: Check WAYLAND_CLIENT_NAME environment variable + if let Ok(client) = env::var("WAYLAND_CLIENT_NAME") + && !client.is_empty() + { + debug!("Found WAYLAND_CLIENT_NAME: {client}"); + return Some(client); + } + + debug!("No focused window detection method worked"); + None +} + +/// Check for recently active excluded apps using CPU and I/O activity. +/// This is the uncached version - use `ProcessCache::get()` for cached access. +fn get_recently_active_excluded_app_uncached( + excluded_apps: &[String], +) -> Option { + let proc_dir = std::path::Path::new("/proc"); + if !proc_dir.exists() { + return None; + } + + let mut candidates = Vec::new(); + + if let Ok(entries) = std::fs::read_dir(proc_dir) { + for entry in entries.flatten() { + if let Ok(pid) = entry.file_name().to_string_lossy().parse::() + && let Ok(comm) = fs::read_to_string(format!("/proc/{pid}/comm")) + { + let process_name = comm.trim(); + + // Check process name against exclusion list + if app_matches_exclusion(process_name, excluded_apps) + && has_recent_activity(pid) + { + candidates + .push((process_name.to_string(), get_process_activity_score(pid))); + } + } + } + } + + // Return the most active excluded app + candidates + .into_iter() + .max_by_key(|(_, score)| *score) + .map(|(name, _)| name) +} + +/// Check if a process has had recent activity (simple heuristic). +fn has_recent_activity(pid: u32) -> bool { + // Check /proc/PID/stat for recent CPU usage + if let Ok(stat) = fs::read_to_string(format!("/proc/{pid}/stat")) { + let fields: Vec<&str> = stat.split_whitespace().collect(); + if fields.len() > 14 { + // Fields 14 and 15 are utime and stime + if let (Ok(utime), Ok(stime)) = + (fields[13].parse::(), fields[14].parse::()) + { + let total_time = utime + stime; + // Simple heuristic: if process has any significant CPU time, consider + // it active + return total_time > 100; // arbitrary threshold + } + } + } + + // Check /proc/PID/io for recent I/O activity + if let Ok(io_stats) = fs::read_to_string(format!("/proc/{pid}/io")) { + for line in io_stats.lines() { + if (line.starts_with("write_bytes:") || line.starts_with("read_bytes:")) + && let Some(value_str) = line.split(':').nth(1) + && let Ok(value) = value_str.trim().parse::() + && value > 1024 * 1024 + { + // 1MB threshold + return true; + } + } + } + + false +} + +/// Get a simple activity score for process prioritization. +fn get_process_activity_score(pid: u32) -> u64 { + let mut score = 0; + + // Add CPU time to score + if let Ok(stat) = fs::read_to_string(format!("/proc/{pid}/stat")) { + let fields: Vec<&str> = stat.split_whitespace().collect(); + if fields.len() > 14 + && let (Ok(utime), Ok(stime)) = + (fields[13].parse::(), fields[14].parse::()) + { + score += utime + stime; + } + } + + // Add I/O activity to score + if let Ok(io_stats) = fs::read_to_string(format!("/proc/{pid}/io")) { + for line in io_stats.lines() { + if (line.starts_with("write_bytes:") || line.starts_with("read_bytes:")) + && let Some(value_str) = line.split(':').nth(1) + && let Ok(value) = value_str.trim().parse::() + { + score += value / 1024; // convert to KB + } + } + } + + score +} + +/// Check if an app name matches any in the exclusion list. +/// Supports basic string matching and simple regex patterns. +fn app_matches_exclusion(app_name: &str, excluded_apps: &[String]) -> bool { + debug!("Checking if '{app_name}' matches exclusion list: {excluded_apps:?}"); + + for excluded in excluded_apps { + // Basic string matching (case-insensitive) + if app_name.to_lowercase() == excluded.to_lowercase() { + debug!("Matched exact string: {app_name} == {excluded}"); + return true; + } + + // Simple pattern matching for common cases + if excluded.starts_with('^') && excluded.ends_with('$') { + // Exact match pattern like ^AppName$ + let pattern = &excluded[1..excluded.len() - 1]; + if app_name == pattern { + debug!("Matched exact pattern: {app_name} == {pattern}"); + return true; + } + } else if excluded.contains('*') { + // Simple wildcard matching + let pattern = excluded.replace('*', ".*"); + if let Ok(regex) = regex::Regex::new(&pattern) + && regex.is_match(app_name) + { + debug!("Matched wildcard pattern: {app_name} matches {excluded}"); + return true; + } + } + } + + debug!("No match found for '{app_name}'"); + false +} + +#[cfg(test)] +mod tests { + use rusqlite::Connection; + + use super::*; + + /// Create an in-memory test database with full schema. + fn test_db() -> SqliteClipboardDb { + let conn = + Connection::open_in_memory().expect("Failed to open in-memory db"); + SqliteClipboardDb::new(conn, PathBuf::from(":memory:")) + .expect("Failed to create test database") + } + + fn get_schema_version(conn: &Connection) -> rusqlite::Result { + conn.pragma_query_value(None, "user_version", |row| row.get(0)) + } + + fn table_column_exists(conn: &Connection, table: &str, column: &str) -> bool { + let query = format!( + "SELECT sql FROM sqlite_master WHERE type='table' AND name='{}'", + table + ); + match conn.query_row(&query, [], |row| row.get::<_, String>(0)) { + Ok(sql) => sql.contains(column), + Err(_) => false, + } + } + + fn index_exists(conn: &Connection, index: &str) -> bool { + let query = "SELECT name FROM sqlite_master WHERE type='index' AND name=?1"; + conn + .query_row(query, [index], |row| row.get::<_, String>(0)) + .is_ok() + } + + #[test] + fn test_fresh_database_v3_schema() { + let temp_dir = tempfile::tempdir().expect("Failed to create temp dir"); + let db_path = temp_dir.path().join("test_fresh.db"); + let conn = Connection::open(&db_path).expect("Failed to open database"); + + let db = SqliteClipboardDb::new(conn, PathBuf::from(":memory:")) + .expect("Failed to create database"); + + assert_eq!( + get_schema_version(&db.conn).expect("Failed to get schema version"), + 6 + ); + + assert!(table_column_exists(&db.conn, "clipboard", "content_hash")); + assert!(table_column_exists(&db.conn, "clipboard", "last_accessed")); + assert!(table_column_exists(&db.conn, "clipboard", "mime_types")); + + assert!(index_exists(&db.conn, "idx_content_hash")); + assert!(index_exists(&db.conn, "idx_last_accessed")); + + db.conn + .execute( + "INSERT INTO clipboard (contents, mime, content_hash, last_accessed) \ + VALUES (x'010203', 'text/plain', 12345, 1704067200)", + [], + ) + .expect("Failed to insert test data"); + + let count: i64 = db + .conn + .query_row("SELECT COUNT(*) FROM clipboard", [], |row| row.get(0)) + .expect("Failed to count"); + assert_eq!(count, 1); + } + + #[test] + fn test_migration_from_v0() { + let temp_dir = tempfile::tempdir().expect("Failed to create temp dir"); + let db_path = temp_dir.path().join("test_v0.db"); + let conn = Connection::open(&db_path).expect("Failed to open database"); + + conn + .execute_batch( + "CREATE TABLE IF NOT EXISTS clipboard (id INTEGER PRIMARY KEY \ + AUTOINCREMENT, contents BLOB NOT NULL, mime TEXT);", + ) + .expect("Failed to create table"); + + conn + .execute_batch( + "INSERT INTO clipboard (contents, mime) VALUES (x'010203', \ + 'text/plain')", + ) + .expect("Failed to insert data"); + + assert_eq!(get_schema_version(&conn).expect("Failed to get version"), 0); + + let db = SqliteClipboardDb::new(conn, PathBuf::from(":memory:")) + .expect("Failed to create database"); + + assert_eq!( + get_schema_version(&db.conn) + .expect("Failed to get version after migration"), + 6 + ); + + assert!(table_column_exists(&db.conn, "clipboard", "content_hash")); + assert!(table_column_exists(&db.conn, "clipboard", "last_accessed")); + assert!(table_column_exists(&db.conn, "clipboard", "mime_types")); + + let count: i64 = db + .conn + .query_row("SELECT COUNT(*) FROM clipboard", [], |row| row.get(0)) + .expect("Failed to count"); + assert_eq!(count, 1, "Existing data should be preserved"); + } + + #[test] + fn test_migration_from_v1() { + let temp_dir = tempfile::tempdir().expect("Failed to create temp dir"); + let db_path = temp_dir.path().join("test_v1.db"); + let conn = Connection::open(&db_path).expect("Failed to open database"); + + conn + .execute_batch( + "CREATE TABLE IF NOT EXISTS clipboard (id INTEGER PRIMARY KEY \ + AUTOINCREMENT, contents BLOB NOT NULL, mime TEXT);", + ) + .expect("Failed to create table"); + + conn + .pragma_update(None, "user_version", 1i64) + .expect("Failed to set version"); + + conn + .execute_batch( + "INSERT INTO clipboard (contents, mime) VALUES (x'010203', \ + 'text/plain')", + ) + .expect("Failed to insert data"); + + let db = SqliteClipboardDb::new(conn, PathBuf::from(":memory:")) + .expect("Failed to create database"); + + assert_eq!( + get_schema_version(&db.conn) + .expect("Failed to get version after migration"), + 6 + ); + + assert!(table_column_exists(&db.conn, "clipboard", "content_hash")); + assert!(table_column_exists(&db.conn, "clipboard", "last_accessed")); + assert!(table_column_exists(&db.conn, "clipboard", "mime_types")); + + let count: i64 = db + .conn + .query_row("SELECT COUNT(*) FROM clipboard", [], |row| row.get(0)) + .expect("Failed to count"); + assert_eq!(count, 1, "Existing data should be preserved"); + } + + #[test] + fn test_migration_from_v2() { + let temp_dir = tempfile::tempdir().expect("Failed to create temp dir"); + let db_path = temp_dir.path().join("test_v2.db"); + let conn = Connection::open(&db_path).expect("Failed to open database"); + + conn + .execute_batch( + "CREATE TABLE IF NOT EXISTS clipboard (id INTEGER PRIMARY KEY \ + AUTOINCREMENT, contents BLOB NOT NULL, mime TEXT, content_hash \ + INTEGER);", + ) + .expect("Failed to create table"); + + conn + .pragma_update(None, "user_version", 2i64) + .expect("Failed to set version"); + + conn + .execute_batch( + "INSERT INTO clipboard (contents, mime, content_hash) VALUES \ + (x'010203', 'text/plain', 12345)", + ) + .expect("Failed to insert data"); + + let db = SqliteClipboardDb::new(conn, PathBuf::from(":memory:")) + .expect("Failed to create database"); + + assert_eq!( + get_schema_version(&db.conn) + .expect("Failed to get version after migration"), + 6 + ); + + assert!(table_column_exists(&db.conn, "clipboard", "last_accessed")); + assert!(index_exists(&db.conn, "idx_last_accessed")); + assert!(table_column_exists(&db.conn, "clipboard", "mime_types")); + + let count: i64 = db + .conn + .query_row("SELECT COUNT(*) FROM clipboard", [], |row| row.get(0)) + .expect("Failed to count"); + assert_eq!(count, 1, "Existing data should be preserved"); + } + + #[test] + fn test_idempotent_migration() { + let temp_dir = tempfile::tempdir().expect("Failed to create temp dir"); + let db_path = temp_dir.path().join("test_idempotent.db"); + let conn = Connection::open(&db_path).expect("Failed to open database"); + + conn + .execute_batch( + "CREATE TABLE IF NOT EXISTS clipboard (id INTEGER PRIMARY KEY \ + AUTOINCREMENT, contents BLOB NOT NULL, mime TEXT);", + ) + .expect("Failed to create table"); + + let db = SqliteClipboardDb::new(conn, PathBuf::from(":memory:")) + .expect("Failed to create database"); + let version_after_first = + get_schema_version(&db.conn).expect("Failed to get version"); + + let db2 = SqliteClipboardDb::new(db.conn, db.db_path) + .expect("Failed to create database again"); + let version_after_second = + get_schema_version(&db2.conn).expect("Failed to get version"); + + assert_eq!(version_after_first, version_after_second); + assert_eq!(version_after_first, 6); + } + + #[test] + fn test_store_and_retrieve_with_new_columns() { + let temp_dir = tempfile::tempdir().expect("Failed to create temp dir"); + let db_path = temp_dir.path().join("test_store.db"); + let conn = Connection::open(&db_path).expect("Failed to open database"); + let db = SqliteClipboardDb::new(conn, PathBuf::from(":memory:")) + .expect("Failed to create database"); + + let test_data = b"Hello, World!"; + let cursor = std::io::Cursor::new(test_data.to_vec()); + + let _id = db + .store_entry( + cursor, + 100, + 1000, + None, + None, + DEFAULT_MAX_ENTRY_SIZE, + None, + None, + ) + .expect("Failed to store entry"); + + let count: i64 = db + .conn + .query_row("SELECT COUNT(*) FROM clipboard", [], |row| row.get(0)) + .expect("Failed to count"); + assert_eq!(count, 1, "Existing data should be preserved"); + } + + #[test] + fn test_store_uri_list_content() { + let db = test_db(); + let data = b"file:///home/user/document.pdf\nfile:///home/user/image.png"; + let id = db + .store_entry( + std::io::Cursor::new(data.to_vec()), + 100, + 1000, + None, + None, + DEFAULT_MAX_ENTRY_SIZE, + None, + None, + ) + .expect("Failed to store URI list"); + + let mime: Option = db + .conn + .query_row("SELECT mime FROM clipboard WHERE id = ?1", [id], |row| { + row.get(0) + }) + .expect("Failed to get mime"); + assert_eq!(mime, Some("text/uri-list".to_string())); + } + + #[test] + fn test_store_binary_image() { + let db = test_db(); + // Minimal PNG header + let data: Vec = vec![ + 0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A, // PNG signature + 0x00, 0x00, 0x00, 0x0D, // IHDR chunk length + 0x49, 0x48, 0x44, 0x52, // "IHDR" + 0x00, 0x00, 0x00, 0x01, // width: 1 + 0x00, 0x00, 0x00, 0x01, // height: 1 + 0x08, 0x02, 0x00, 0x00, 0x00, // bit depth, color, etc. + 0x90, 0x77, 0x53, 0xDE, // CRC + ]; + let id = db + .store_entry( + std::io::Cursor::new(data.clone()), + 100, + 1000, + None, + None, + DEFAULT_MAX_ENTRY_SIZE, + None, + None, + ) + .expect("Failed to store image"); + + let (contents, mime): (Vec, Option) = db + .conn + .query_row( + "SELECT contents, mime FROM clipboard WHERE id = ?1", + [id], + |row| Ok((row.get(0)?, row.get(1)?)), + ) + .expect("Failed to get stored entry"); + assert_eq!(contents, data); + assert_eq!(mime, Some("image/png".to_string())); + } + + #[test] + fn test_deduplication() { + let db = test_db(); + let data = b"duplicate content"; + + let id1 = db + .store_entry( + std::io::Cursor::new(data.to_vec()), + 100, + 1000, + None, + None, + DEFAULT_MAX_ENTRY_SIZE, + None, + None, + ) + .expect("Failed to store first"); + let _id2 = db + .store_entry( + std::io::Cursor::new(data.to_vec()), + 100, + 1000, + None, + None, + DEFAULT_MAX_ENTRY_SIZE, + None, + None, + ) + .expect("Failed to store second"); + + // First entry should have been removed by deduplication + let count: i64 = db + .conn + .query_row("SELECT COUNT(*) FROM clipboard", [], |row| row.get(0)) + .expect("Failed to count"); + assert_eq!(count, 1, "Deduplication should keep only one copy"); + + // The original id should be gone + let exists: bool = db + .conn + .query_row( + "SELECT COUNT(*) FROM clipboard WHERE id = ?1", + [id1], + |row| row.get::<_, i64>(0), + ) + .map(|c| c > 0) + .unwrap_or(false); + assert!(!exists, "Old entry should be removed"); + } + + #[test] + fn test_trim_excess_entries() { + let db = test_db(); + for i in 0..5 { + let data = format!("entry {i}"); + db.store_entry( + std::io::Cursor::new(data.into_bytes()), + 100, + 3, // max 3 items + None, + None, + DEFAULT_MAX_ENTRY_SIZE, + None, + None, + ) + .expect("Failed to store"); + } + + let count: i64 = db + .conn + .query_row("SELECT COUNT(*) FROM clipboard", [], |row| row.get(0)) + .expect("Failed to count"); + assert!(count <= 3, "Trim should keep at most max_items entries"); + } + + #[test] + fn test_reject_empty_input() { + let db = test_db(); + let result = db.store_entry( + std::io::Cursor::new(Vec::new()), + 100, + 1000, + None, + None, + DEFAULT_MAX_ENTRY_SIZE, + None, + None, + ); + assert!(matches!(result, Err(StashError::EmptyOrTooLarge))); + } + + #[test] + fn test_reject_whitespace_input() { + let db = test_db(); + let result = db.store_entry( + std::io::Cursor::new(b" \n\t ".to_vec()), + 100, + 1000, + None, + None, + DEFAULT_MAX_ENTRY_SIZE, + None, + None, + ); + assert!(matches!(result, Err(StashError::AllWhitespace))); + } + + #[test] + fn test_reject_oversized_input() { + let db = test_db(); + // 5MB + 1 byte + let data = vec![b'a'; 5 * 1_000_000 + 1]; + let result = db.store_entry( + std::io::Cursor::new(data), + 100, + 1000, + None, + None, + DEFAULT_MAX_ENTRY_SIZE, + None, + None, + ); + assert!(matches!(result, Err(StashError::TooLarge(5000000)))); + } + + #[test] + fn test_delete_entries_by_id() { + let db = test_db(); + let id = db + .store_entry( + std::io::Cursor::new(b"to delete".to_vec()), + 100, + 1000, + None, + None, + DEFAULT_MAX_ENTRY_SIZE, + None, + None, + ) + .expect("Failed to store"); + + let input = format!("{id}\tpreview text\n"); + let deleted = db + .delete_entries(std::io::Cursor::new(input.into_bytes())) + .expect("Failed to delete"); + assert_eq!(deleted, 1); + + let count: i64 = db + .conn + .query_row("SELECT COUNT(*) FROM clipboard", [], |row| row.get(0)) + .expect("Failed to count"); + assert_eq!(count, 0); + } + + #[test] + fn test_delete_query_matching() { + let db = test_db(); + db.store_entry( + std::io::Cursor::new(b"secret password 123".to_vec()), + 100, + 1000, + None, + None, + DEFAULT_MAX_ENTRY_SIZE, + None, + None, + ) + .expect("Failed to store"); + db.store_entry( + std::io::Cursor::new(b"normal text".to_vec()), + 100, + 1000, + None, + None, + DEFAULT_MAX_ENTRY_SIZE, + None, + None, + ) + .expect("Failed to store"); + + let deleted = db + .delete_query("secret password") + .expect("Failed to delete query"); + assert_eq!(deleted, 1); + + let count: i64 = db + .conn + .query_row("SELECT COUNT(*) FROM clipboard", [], |row| row.get(0)) + .expect("Failed to count"); + assert_eq!(count, 1); + } + + #[test] + fn test_wipe_db() { + let db = test_db(); + for i in 0..3 { + let data = format!("entry {i}"); + db.store_entry( + std::io::Cursor::new(data.into_bytes()), + 100, + 1000, + None, + None, + DEFAULT_MAX_ENTRY_SIZE, + None, + None, + ) + .expect("Failed to store"); + } + + db.wipe_db().expect("Failed to wipe"); + + let count: i64 = db + .conn + .query_row("SELECT COUNT(*) FROM clipboard", [], |row| row.get(0)) + .expect("Failed to count"); + assert_eq!(count, 0); + } + + #[test] + fn test_extract_id_valid() { + assert_eq!(extract_id("42\tsome preview"), Ok(42)); + assert_eq!(extract_id("1"), Ok(1)); + assert_eq!(extract_id("999\t"), Ok(999)); + } + + #[test] + fn test_extract_id_invalid() { + assert!(extract_id("abc\tpreview").is_err()); + assert!(extract_id("").is_err()); + assert!(extract_id("\tpreview").is_err()); + } + + #[test] + fn test_preview_entry_text() { + let data = b"Hello, world!"; + let preview = preview_entry(data, Some("text/plain"), 100); + assert_eq!(preview, "Hello, world!"); + } + + #[test] + fn test_preview_entry_image() { + let data = vec![0x89, 0x50, 0x4E, 0x47]; // PNG-ish bytes + let preview = preview_entry(&data, Some("image/png"), 100); + assert!(preview.contains("binary data")); + assert!(preview.contains("image/png")); + } + + #[test] + fn test_preview_entry_truncation() { + let data = b"This is a rather long piece of text that should be truncated"; + let preview = preview_entry(data, Some("text/plain"), 10); + assert!(preview.len() <= 15); // 10 chars + ellipsis (multi-byte) + assert!(preview.ends_with('…')); + } + + #[test] + fn test_size_str_formatting() { + assert_eq!(size_str(0), "0 B"); + assert_eq!(size_str(512), "512 B"); + assert_eq!(size_str(1024), "1 KiB"); + assert_eq!(size_str(1024 * 1024), "1 MiB"); + } + + #[test] + fn test_preview_entry_binary_sniffed() { + // PDF magic bytes + let data = b"%PDF-1.4 fake pdf content here for testing"; + let preview = preview_entry(data, None, 100); + assert!(preview.contains("binary data")); + assert!(preview.contains("application/pdf")); + } + + #[test] + fn test_copy_entry_returns_data() { + let db = test_db(); + let data = b"copy me"; + let id = db + .store_entry( + std::io::Cursor::new(data.to_vec()), + 100, + 1000, + None, + None, + DEFAULT_MAX_ENTRY_SIZE, + None, + None, + ) + .expect("Failed to store"); + + let (returned_id, contents, mime) = + db.copy_entry(id).expect("Failed to copy"); + assert_eq!(returned_id, id); + assert_eq!(contents, data.to_vec()); + assert_eq!(mime, Some("text/plain".to_string())); + } + + #[test] + fn test_fnv1a_hasher_deterministic() { + // Same input should produce same hash + let data = b"test data"; + + let mut hasher1 = Fnv1aHasher::new(); + hasher1.write(data); + let hash1 = hasher1.finish(); + + let mut hasher2 = Fnv1aHasher::new(); + hasher2.write(data); + let hash2 = hasher2.finish(); + + assert_eq!(hash1, hash2, "FNV-1a should produce deterministic hashes"); + } + + #[test] + fn test_fnv1a_hasher_different_input() { + // Different inputs should (almost certainly) produce different hashes + let data1 = b"test data 1"; + let data2 = b"test data 2"; + + let mut hasher1 = Fnv1aHasher::new(); + hasher1.write(data1); + let hash1 = hasher1.finish(); + + let mut hasher2 = Fnv1aHasher::new(); + hasher2.write(data2); + let hash2 = hasher2.finish(); + + assert_ne!( + hash1, hash2, + "Different data should produce different hashes" + ); + } + + #[test] + fn test_fnv1a_hasher_known_values() { + // Test against known FNV-1a hash values + let mut hasher = Fnv1aHasher::new(); + hasher.write(b""); + assert_eq!( + hasher.finish(), + 0xCBF29CE484222325, + "Empty string hash mismatch" + ); + + let mut hasher = Fnv1aHasher::new(); + hasher.write(b"a"); + assert_eq!( + hasher.finish(), + 0xAF63DC4C8601EC8C, + "Single byte hash mismatch" + ); + + let mut hasher = Fnv1aHasher::new(); + hasher.write(b"hello"); + assert_eq!(hasher.finish(), 0xA430D84680AABD0B, "Hello hash mismatch"); + } + + #[test] + fn test_fnv1a_hash_stored_in_db() { + // Verify hash is stored correctly and can be retrieved + let db = test_db(); + let data = b"test content for hashing"; + + let id = db + .store_entry( + std::io::Cursor::new(data.to_vec()), + 100, + 1000, + None, + None, + DEFAULT_MAX_ENTRY_SIZE, + None, + None, + ) + .expect("Failed to store"); + + // Retrieve the stored hash + let stored_hash: i64 = db + .conn + .query_row( + "SELECT content_hash FROM clipboard WHERE id = ?1", + [id], + |row| row.get(0), + ) + .expect("Failed to get hash"); + + // Calculate hash independently + let mut hasher = Fnv1aHasher::new(); + hasher.write(data); + let calculated_hash = hasher.finish() as i64; + + assert_eq!( + stored_hash, calculated_hash, + "Stored hash should match calculated hash" + ); + + // Verify round-trip: convert back to u64 and compare + let stored_hash_u64 = stored_hash as u64; + let calculated_hash_u64 = hasher.finish(); + assert_eq!( + stored_hash_u64, calculated_hash_u64, + "Bit pattern should be preserved in i64/u64 conversion" + ); + } + + /// Verify that regex loading picks up env var changes. This was broken + /// because CHECKED flag prevented re-checking after first call + #[test] + fn test_sensitive_regex_env_var_change_detection() { + // XXX: This test manipulates environment variables which affects + // parallel tests. We use a unique pattern to avoid conflicts. + use std::sync::atomic::{AtomicUsize, Ordering}; + + static TEST_COUNTER: AtomicUsize = AtomicUsize::new(0); + let test_id = TEST_COUNTER.fetch_add(1, Ordering::SeqCst); + + // Test 1: No env var set initially + let var_name = format!("STASH_SENSITIVE_REGEX_TEST_{}", test_id); + unsafe { + env::remove_var(&var_name); + } + + // Temporarily override the function to use our test var + // Since we can't easily mock env::var, we test the logic indirectly + // by verifying the new implementation checks every time + + // Call multiple times, ensure no panic and behavior is + // consistent + let _ = load_sensitive_regex(); + let _ = load_sensitive_regex(); + let _ = load_sensitive_regex(); + + // If we got here without deadlocks or panics, the caching logic works + // The actual env var change detection is verified by the implementation: + // - Preivously CHECKED atomic prevented re-checking + // - Now we check env vars every call, only caches compiled Regex objects + } + + /// Test that regex compilation is cached by pattern + #[test] + fn test_sensitive_regex_caching_by_pattern() { + // This test verifies that the regex cache works correctly + // by ensuring multiple calls don't cause issues. + + // Call multiple times, should use cache after first compilation + let result1 = load_sensitive_regex(); + let result2 = load_sensitive_regex(); + let result3 = load_sensitive_regex(); + + // All results should be consistent + assert_eq!( + result1.is_some(), + result2.is_some(), + "Regex loading should be deterministic" + ); + assert_eq!( + result2.is_some(), + result3.is_some(), + "Regex loading should be deterministic" + ); + } +} diff --git a/src/db/nonblocking.rs b/src/db/nonblocking.rs new file mode 100644 index 0000000..d62e0dd --- /dev/null +++ b/src/db/nonblocking.rs @@ -0,0 +1,375 @@ +use std::path::PathBuf; + +use rusqlite::OptionalExtension; + +use crate::db::{ClipboardDb, SqliteClipboardDb, StashError}; + +/// Async wrapper for database operations that runs blocking operations +/// on a thread pool to avoid blocking the async runtime. Since +/// [`rusqlite::Connection`] is not Send, we store the database path and open a +/// new connection for each operation. +pub struct AsyncClipboardDb { + db_path: PathBuf, +} + +impl AsyncClipboardDb { + pub fn new(db_path: PathBuf) -> Self { + Self { db_path } + } + + #[expect(clippy::too_many_arguments)] + pub async fn store_entry( + &self, + data: Vec, + max_dedupe_search: u64, + max_items: u64, + excluded_apps: Option>, + min_size: Option, + max_size: usize, + content_hash: Option, + mime_types: Option>, + ) -> Result { + let path = self.db_path.clone(); + blocking::unblock(move || { + let db = Self::open_db_internal(&path)?; + db.store_entry( + std::io::Cursor::new(data), + max_dedupe_search, + max_items, + excluded_apps.as_deref(), + min_size, + max_size, + content_hash, + mime_types.as_deref(), + ) + }) + .await + } + + pub async fn set_expiration( + &self, + id: i64, + expires_at: f64, + ) -> Result<(), StashError> { + let path = self.db_path.clone(); + blocking::unblock(move || { + let db = Self::open_db_internal(&path)?; + db.set_expiration(id, expires_at) + }) + .await + } + + pub async fn load_all_expirations( + &self, + ) -> Result, StashError> { + let path = self.db_path.clone(); + blocking::unblock(move || { + let db = Self::open_db_internal(&path)?; + let mut stmt = db + .conn + .prepare( + "SELECT expires_at, id FROM clipboard WHERE expires_at IS NOT NULL \ + AND (is_expired IS NULL OR is_expired = 0) ORDER BY expires_at ASC", + ) + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; + + let mut rows = stmt + .query([]) + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; + let mut expirations = Vec::new(); + + while let Some(row) = rows + .next() + .map_err(|e| StashError::ListDecode(e.to_string().into()))? + { + let exp = row + .get::<_, f64>(0) + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; + let id = row + .get::<_, i64>(1) + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; + expirations.push((exp, id)); + } + Ok(expirations) + }) + .await + } + + pub async fn get_content_hash( + &self, + id: i64, + ) -> Result, StashError> { + let path = self.db_path.clone(); + blocking::unblock(move || { + let db = Self::open_db_internal(&path)?; + let result: Option = db + .conn + .query_row( + "SELECT content_hash FROM clipboard WHERE id = ?1", + [id], + |row| row.get(0), + ) + .optional() + .map_err(|e| StashError::ListDecode(e.to_string().into()))?; + Ok(result) + }) + .await + } + + pub async fn mark_expired(&self, id: i64) -> Result<(), StashError> { + let path = self.db_path.clone(); + blocking::unblock(move || { + let db = Self::open_db_internal(&path)?; + db.conn + .execute("UPDATE clipboard SET is_expired = 1 WHERE id = ?1", [id]) + .map_err(|e| StashError::Store(e.to_string().into()))?; + Ok(()) + }) + .await + } + + fn open_db_internal(path: &PathBuf) -> Result { + let conn = rusqlite::Connection::open(path).map_err(|e| { + StashError::Store(format!("Failed to open database: {e}").into()) + })?; + SqliteClipboardDb::new(conn, path.clone()) + } +} + +impl Clone for AsyncClipboardDb { + fn clone(&self) -> Self { + Self { + db_path: self.db_path.clone(), + } + } +} + +#[cfg(test)] +mod tests { + use std::{collections::HashSet, hash::Hasher}; + + use tempfile::tempdir; + + use super::*; + use crate::hash::Fnv1aHasher; + + fn setup_test_db() -> (AsyncClipboardDb, tempfile::TempDir) { + let temp_dir = tempdir().expect("Failed to create temp dir"); + let db_path = temp_dir.path().join("test.db"); + + // Create initial database + { + let conn = + rusqlite::Connection::open(&db_path).expect("Failed to open database"); + crate::db::SqliteClipboardDb::new(conn, db_path.clone()) + .expect("Failed to create database"); + } + + let async_db = AsyncClipboardDb::new(db_path); + (async_db, temp_dir) + } + + #[test] + fn test_async_store_entry() { + smol::block_on(async { + let (async_db, _temp_dir) = setup_test_db(); + let data = b"async test data"; + + let id = async_db + .store_entry( + data.to_vec(), + 100, + 1000, + None, + None, + 5_000_000, + None, + None, + ) + .await + .expect("Failed to store entry"); + + assert!(id > 0, "Should return positive id"); + + // Verify it was stored by checking content hash + let hash = async_db + .get_content_hash(id) + .await + .expect("Failed to get hash") + .expect("Hash should exist"); + + // Calculate expected hash + let mut hasher = Fnv1aHasher::new(); + hasher.write(data); + let expected_hash = hasher.finish() as i64; + + assert_eq!(hash, expected_hash, "Stored hash should match"); + }); + } + + #[test] + fn test_async_set_expiration_and_load() { + smol::block_on(async { + let (async_db, _temp_dir) = setup_test_db(); + let data = b"expiring entry"; + + let id = async_db + .store_entry( + data.to_vec(), + 100, + 1000, + None, + None, + 5_000_000, + None, + None, + ) + .await + .expect("Failed to store entry"); + + let expires_at = 1234567890.5; + async_db + .set_expiration(id, expires_at) + .await + .expect("Failed to set expiration"); + + // Load all expirations + let expirations = async_db + .load_all_expirations() + .await + .expect("Failed to load expirations"); + + assert_eq!(expirations.len(), 1, "Should have one expiration"); + assert!( + (expirations[0].0 - expires_at).abs() < 0.001, + "Expiration time should match" + ); + assert_eq!(expirations[0].1, id, "Expiration id should match"); + }); + } + + #[test] + fn test_async_mark_expired() { + smol::block_on(async { + let (async_db, _temp_dir) = setup_test_db(); + let data = b"entry to expire"; + + let id = async_db + .store_entry( + data.to_vec(), + 100, + 1000, + None, + None, + 5_000_000, + None, + None, + ) + .await + .expect("Failed to store entry"); + + async_db + .mark_expired(id) + .await + .expect("Failed to mark as expired"); + + // Load expirations, this should be empty since entry is now marked + // expired + let expirations = async_db + .load_all_expirations() + .await + .expect("Failed to load expirations"); + + assert!( + expirations.is_empty(), + "Expired entries should not be loaded" + ); + }); + } + + #[test] + fn test_async_get_content_hash_not_found() { + smol::block_on(async { + let (async_db, _temp_dir) = setup_test_db(); + + let hash = async_db + .get_content_hash(999999) + .await + .expect("Should not fail on non-existent entry"); + + assert!(hash.is_none(), "Hash should be None for non-existent entry"); + }); + } + + #[test] + fn test_async_clone() { + let (async_db, _temp_dir) = setup_test_db(); + let cloned = async_db.clone(); + + smol::block_on(async { + // Both should work independently + let data = b"clone test"; + + let id1 = async_db + .store_entry( + data.to_vec(), + 100, + 1000, + None, + None, + 5_000_000, + None, + None, + ) + .await + .expect("Failed with original"); + + let id2 = cloned + .store_entry( + data.to_vec(), + 100, + 1000, + None, + None, + 5_000_000, + None, + None, + ) + .await + .expect("Failed with clone"); + + assert_ne!(id1, id2, "Should store as separate entries"); + }); + } + + #[test] + fn test_async_concurrent_operations() { + smol::block_on(async { + let (async_db, _temp_dir) = setup_test_db(); + + // Spawn multiple concurrent store operations + let futures: Vec<_> = (0..5) + .map(|i| { + let db = async_db.clone(); + let data = format!("concurrent test {}", i).into_bytes(); + smol::spawn(async move { + db.store_entry(data, 100, 1000, None, None, 5_000_000, None, None) + .await + }) + }) + .collect(); + + let results: Result, _> = futures::future::join_all(futures) + .await + .into_iter() + .collect(); + + let ids = results.expect("All stores should succeed"); + assert_eq!(ids.len(), 5, "Should have 5 entries"); + + // All IDs should be unique + let unique_ids: HashSet<_> = ids.iter().collect(); + assert_eq!(unique_ids.len(), 5, "All IDs should be unique"); + }); + } +} diff --git a/src/hash.rs b/src/hash.rs new file mode 100644 index 0000000..f017a51 --- /dev/null +++ b/src/hash.rs @@ -0,0 +1,101 @@ +/// FNV-1a hasher for deterministic hashing across process runs. +/// +/// Unlike `std::collections::hash_map::DefaultHasher` (which uses SipHash +/// with a random seed), this produces stable hashes suitable for persistent +/// storage and cross-process comparison. +/// +/// # Example +/// +/// ``` +/// use std::hash::Hasher; +/// +/// use stash::hash::Fnv1aHasher; +/// +/// let mut hasher = Fnv1aHasher::new(); +/// hasher.write(b"hello"); +/// let hash = hasher.finish(); +/// ``` +#[derive(Clone, Copy, Debug)] +pub struct Fnv1aHasher { + state: u64, +} + +impl Fnv1aHasher { + const FNV_OFFSET: u64 = 0xCBF29CE484222325; + const FNV_PRIME: u64 = 0x100000001B3; + + /// Creates a new hasher initialized with the FNV-1a offset basis. + #[must_use] + pub fn new() -> Self { + Self { + state: Self::FNV_OFFSET, + } + } +} + +impl Default for Fnv1aHasher { + fn default() -> Self { + Self::new() + } +} + +impl std::hash::Hasher for Fnv1aHasher { + fn write(&mut self, bytes: &[u8]) { + for byte in bytes { + self.state ^= u64::from(*byte); + self.state = self.state.wrapping_mul(Self::FNV_PRIME); + } + } + + fn finish(&self) -> u64 { + self.state + } +} + +#[cfg(test)] +mod tests { + use std::hash::Hasher; + + use super::*; + + #[test] + fn test_fnv1a_basic() { + let mut hasher = Fnv1aHasher::new(); + hasher.write(b"hello"); + // FNV-1a hash for "hello" (little-endian u64) + assert_eq!(hasher.finish(), 0xA430D84680AABD0B); + } + + #[test] + fn test_fnv1a_empty() { + let hasher = Fnv1aHasher::new(); + // Empty input should return offset basis + assert_eq!(hasher.finish(), Fnv1aHasher::FNV_OFFSET); + } + + #[test] + fn test_fnv1a_deterministic() { + // Same input must produce same hash + let mut h1 = Fnv1aHasher::new(); + let mut h2 = Fnv1aHasher::new(); + h1.write(b"test data"); + h2.write(b"test data"); + assert_eq!(h1.finish(), h2.finish()); + } + + #[test] + fn test_default_trait() { + let h1 = Fnv1aHasher::new(); + let h2 = Fnv1aHasher::default(); + assert_eq!(h1.finish(), h2.finish()); + } + + #[test] + fn test_copy_trait() { + let mut hasher = Fnv1aHasher::new(); + hasher.write(b"data"); + let copied = hasher; + // Both should have same state after copy + assert_eq!(hasher.finish(), copied.finish()); + } +} diff --git a/src/main.rs b/src/main.rs index 0b40450..f006d36 100644 --- a/src/main.rs +++ b/src/main.rs @@ -1,25 +1,39 @@ +mod clipboard; +mod commands; +mod db; +mod hash; +mod mime; +mod multicall; + use std::{ env, io::{self, IsTerminal}, path::PathBuf, - process, + time::Duration, }; use clap::{CommandFactory, Parser, Subcommand}; +use color_eyre::eyre; +use humantime::parse_duration; use inquire::Confirm; -mod commands; -mod db; +// While the module is named "wayland", the Wayland module is *strictly* for the +// use-toplevel feature as it requires some low-level wayland crates that are +// not required *by default*. The module is named that way because "toplevel" +// sounded too silly. Stash is strictly a Wayland clipboard manager. +#[cfg(feature = "use-toplevel")] mod wayland; -use crate::commands::{ - decode::DecodeCommand, - delete::DeleteCommand, - import::ImportCommand, - list::ListCommand, - query::QueryCommand, - store::StoreCommand, - watch::WatchCommand, - wipe::WipeCommand, +use crate::{ + commands::{ + decode::DecodeCommand, + delete::DeleteCommand, + import::ImportCommand, + list::ListCommand, + query::QueryCommand, + store::StoreCommand, + watch::WatchCommand, + }, + db::{ClipboardDb, DEFAULT_MAX_ENTRY_SIZE}, }; #[derive(Parser)] @@ -35,18 +49,33 @@ struct Cli { /// Number of recent entries to check for duplicates when storing new /// clipboard data. - #[arg(long, default_value_t = 100)] + #[arg(long, default_value_t = 20)] max_dedupe_search: u64, + /// Minimum size (in bytes) for clipboard entries. Entries smaller than this + /// will not be stored. + #[arg(long, env = "STASH_MIN_SIZE")] + min_size: Option, + + /// Maximum size (in bytes) for clipboard entries. Entries larger than this + /// will not be stored. Defaults to 5MB. + #[arg(long, default_value_t = DEFAULT_MAX_ENTRY_SIZE, env = "STASH_MAX_SIZE")] + max_size: usize, + /// Maximum width (in characters) for clipboard entry previews in list /// output. #[arg(long, default_value_t = 100)] preview_width: u32, /// Path to the `SQLite` clipboard database file. - #[arg(long)] + #[arg(long, env = "STASH_DB_PATH")] db_path: Option, + /// Application names to exclude from clipboard history + #[cfg(feature = "use-toplevel")] + #[arg(long, value_delimiter = ',', env = "STASH_EXCLUDED_APPS")] + excluded_apps: Vec, + /// Ask for confirmation before destructive operations #[arg(long)] ask: bool, @@ -65,6 +94,14 @@ enum Command { /// Output format: "tsv" (default) or "json" #[arg(long, value_parser = ["tsv", "json"])] format: Option, + + /// Show only expired entries (diagnostic, does not remove them) + #[arg(long)] + expired: bool, + + /// Reverse the order of entries (oldest first instead of newest first) + #[arg(long)] + reverse: bool, }, /// Decode and output clipboard entry by id @@ -86,11 +123,10 @@ enum Command { ask: bool, }, - /// Wipe all clipboard history - Wipe { - /// Ask for confirmation before wiping - #[arg(long)] - ask: bool, + /// Database management operations + Db { + #[command(subcommand)] + action: DbAction, }, /// Import clipboard data from stdin (default: TSV format) @@ -104,8 +140,40 @@ enum Command { ask: bool, }, - /// Watch clipboard for changes and store automatically - Watch, + /// Start a process to watch clipboard for changes and store automatically. + Watch { + /// Expire new entries after duration (e.g., "3s", "500ms", "1h30m"). + #[arg(long, value_parser = parse_duration)] + expire_after: Option, + + /// MIME type preference for clipboard reading. + #[arg(short = 't', long, default_value = "any")] + mime_type: String, + + /// Persist clipboard contents after the source application closes. + #[arg(long)] + persist: bool, + }, +} + +#[derive(Subcommand)] +enum DbAction { + /// Wipe database entries + Wipe { + /// Only wipe expired entries instead of all entries + #[arg(long)] + expired: bool, + + /// Ask for confirmation before wiping + #[arg(long)] + ask: bool, + }, + + /// Optimize database using VACUUM + Vacuum, + + /// Show database statistics + Stats, } fn report_error( @@ -121,80 +189,126 @@ fn report_error( } } +fn confirm(prompt: &str) -> bool { + Confirm::new(prompt) + .with_default(false) + .prompt() + .unwrap_or_else(|e| { + log::error!("confirmation prompt failed: {e}"); + false + }) +} + #[allow(clippy::too_many_lines)] // whatever -fn main() { +fn main() -> eyre::Result<()> { + color_eyre::install()?; + + // Check if we're being called as a multicall binary + // + // NOTE: We cannot use clap's multicall here because it requires the main + // command to have no arguments (only subcommands), but our Cli has global + // arguments like --max-items, --db-path, etc. Instead, we manually detect + // the invocation name and route appropriately. While this is ugly, it's + // seemingly the only option. + let program_name = env::args().next().map(|s| { + PathBuf::from(s) + .file_name() + .and_then(|name| name.to_str()) + .unwrap_or("stash") + .to_string() + }); + + if let Some(ref name) = program_name { + if name == "wl-copy" || name == "stash-copy" { + crate::multicall::wl_copy::wl_copy_main()?; + return Ok(()); + } else if name == "wl-paste" || name == "stash-paste" { + crate::multicall::wl_paste::wl_paste_main()?; + return Ok(()); + } + } + + // Normal CLI handling smol::block_on(async { let cli = Cli::parse(); env_logger::Builder::new() .filter_level(cli.verbosity.into()) .init(); - let db_path = cli.db_path.unwrap_or_else(|| { - dirs::cache_dir() - .unwrap_or_else(|| PathBuf::from("/tmp")) - .join("stash") - .join("db") - }); - - if let Some(parent) = db_path.parent() { - if let Err(e) = std::fs::create_dir_all(parent) { - log::error!("Failed to create database directory: {e}"); - process::exit(1); - } - } - - let conn = rusqlite::Connection::open(&db_path).unwrap_or_else(|e| { - log::error!("Failed to open SQLite database: {e}"); - process::exit(1); - }); - - let db = match db::SqliteClipboardDb::new(conn) { - Ok(db) => db, - Err(e) => { - log::error!("Failed to initialize SQLite database: {e}"); - process::exit(1); + let db_path = match cli.db_path { + Some(path) => path, + None => { + let cache_dir = dirs::cache_dir().ok_or_else(|| { + eyre::eyre!( + "Could not determine cache directory. Set --db-path or \ + $STASH_DB_PATH explicitly." + ) + })?; + cache_dir.join("stash").join("db") }, }; + if let Some(parent) = db_path.parent() { + std::fs::create_dir_all(parent)?; + } + + let conn = rusqlite::Connection::open(&db_path)?; + let db = db::SqliteClipboardDb::new(conn, db_path)?; + match cli.command { Some(Command::Store) => { let state = env::var("STASH_CLIPBOARD_STATE").ok(); report_error( - db.store(io::stdin(), cli.max_dedupe_search, cli.max_items, state), - "Failed to store entry", + db.store( + io::stdin(), + cli.max_dedupe_search, + cli.max_items, + state, + #[cfg(feature = "use-toplevel")] + &cli.excluded_apps, + #[cfg(not(feature = "use-toplevel"))] + &[], + cli.min_size, + cli.max_size, + ), + "failed to store entry", ); }, - Some(Command::List { format }) => { + Some(Command::List { + format, + expired, + reverse, + }) => { match format.as_deref() { Some("tsv") => { report_error( - db.list(io::stdout(), cli.preview_width), - "Failed to list entries", + db.list(io::stdout(), cli.preview_width, expired, reverse), + "failed to list entries", ); }, Some("json") => { - match db.list_json() { + match db.list_json(expired, reverse) { Ok(json) => { println!("{json}"); }, Err(e) => { - log::error!("Failed to list entries as JSON: {e}"); + log::error!("failed to list entries as JSON: {e}"); }, } }, Some(other) => { - log::error!("Unsupported format: {other}"); + log::error!("unsupported format: {other}"); }, None => { if std::io::stdout().is_terminal() { report_error( - db.list_tui(cli.preview_width), - "Failed to list entries in TUI", + db.list_tui(cli.preview_width, expired, reverse), + "failed to list entries in TUI", ); } else { report_error( - db.list(io::stdout(), cli.preview_width), - "Failed to list entries", + db.list(io::stdout(), cli.preview_width, expired, reverse), + "failed to list entries", ); } }, @@ -203,20 +317,17 @@ fn main() { Some(Command::Decode { input }) => { report_error( db.decode(io::stdin(), io::stdout(), input), - "Failed to decode entry", + "failed to decode entry", ); }, Some(Command::Delete { arg, r#type, ask }) => { let mut should_proceed = true; if ask { should_proceed = - Confirm::new("Are you sure you want to delete clipboard entries?") - .with_default(false) - .prompt() - .unwrap_or(false); + confirm("Are you sure you want to delete clipboard entries?"); if !should_proceed { - log::info!("Aborted by user."); + log::info!("aborted by user."); } } if should_proceed { @@ -229,13 +340,13 @@ fn main() { "Failed to delete entry by id", ); } else { - log::error!("Argument is not a valid id"); + log::error!("argument is not a valid id"); } }, (Some(s), Some("query")) => { report_error( db.query_delete(&s), - "Failed to delete entry by query", + "failed to delete entry by query", ); }, (Some(s), None) => { @@ -243,57 +354,90 @@ fn main() { use std::io::Cursor; report_error( db.delete(Cursor::new(format!("{id}\n"))), - "Failed to delete entry by id", + "failed to delete entry by id", ); } else { report_error( db.query_delete(&s), - "Failed to delete entry by query", + "failed to delete entry by query", ); } }, (None, _) => { report_error( db.delete(io::stdin()), - "Failed to delete entry from stdin", + "failed to delete entry from stdin", ); }, (_, Some(_)) => { - log::error!("Unknown type for --type. Use \"id\" or \"query\"."); + log::error!("unknown type for --type. Use \"id\" or \"query\"."); }, } } }, - Some(Command::Wipe { ask }) => { - let mut should_proceed = true; - if ask { - should_proceed = Confirm::new( - "Are you sure you want to wipe all clipboard history?", - ) - .with_default(false) - .prompt() - .unwrap_or(false); - if !should_proceed { - log::info!("Aborted by user."); - } - } - if should_proceed { - report_error(db.wipe(), "Failed to wipe database"); + + Some(Command::Db { action }) => { + match action { + DbAction::Wipe { expired, ask } => { + let mut should_proceed = true; + if ask { + let message = if expired { + "Are you sure you want to wipe all expired clipboard entries?" + } else { + "Are you sure you want to wipe ALL clipboard history?" + }; + should_proceed = confirm(message); + if !should_proceed { + log::info!("db wipe command aborted by user."); + } + } + if should_proceed { + if expired { + match db.cleanup_expired() { + Ok(count) => { + log::info!("wiped {count} expired entries"); + }, + Err(e) => { + log::error!("failed to wipe expired entries: {e}"); + }, + } + } else { + report_error(db.wipe_db(), "failed to wipe database"); + } + } + }, + DbAction::Vacuum => { + match db.vacuum() { + Ok(()) => { + log::info!("database optimized successfully"); + }, + Err(e) => { + log::error!("failed to vacuum database: {e}"); + }, + } + }, + DbAction::Stats => { + match db.stats() { + Ok(stats) => { + println!("{stats}"); + }, + Err(e) => { + log::error!("failed to get database stats: {e}"); + }, + } + }, } }, Some(Command::Import { r#type, ask }) => { let mut should_proceed = true; if ask { - should_proceed = Confirm::new( + should_proceed = confirm( "Are you sure you want to import clipboard data? This may \ overwrite existing entries.", - ) - .with_default(false) - .prompt() - .unwrap_or(false); + ); if !should_proceed { - log::info!("Aborted by user."); + log::info!("import command aborted by user."); } } if should_proceed { @@ -303,24 +447,41 @@ fn main() { if let Err(e) = ImportCommand::import_tsv(&db, io::stdin(), cli.max_items) { - log::error!("Failed to import TSV: {e}"); + log::error!("failed to import TSV: {e}"); } }, _ => { - log::error!("Unsupported import format: {format}"); + log::error!("unsupported import format: {format}"); }, } } }, - Some(Command::Watch) => { - db.watch(cli.max_dedupe_search, cli.max_items); + Some(Command::Watch { + expire_after, + mime_type, + persist, + }) => { + db.watch( + cli.max_dedupe_search, + cli.max_items, + #[cfg(feature = "use-toplevel")] + &cli.excluded_apps, + #[cfg(not(feature = "use-toplevel"))] + &[], + expire_after, + &mime_type, + cli.min_size, + cli.max_size, + persist, + ) + .await; }, + None => { - if let Err(e) = Cli::command().print_help() { - log::error!("Failed to print help: {e}"); - } + Cli::command().print_help()?; println!(); }, } - }); + Ok(()) + }) } diff --git a/src/mime.rs b/src/mime.rs new file mode 100644 index 0000000..3761ab3 --- /dev/null +++ b/src/mime.rs @@ -0,0 +1,273 @@ +use imagesize::ImageType; + +/// Detect MIME type of clipboard data. We try binary detection first using +/// [`imagesize`] followed by a check for text/uri-list for file manager copies +/// and finally fall back to text/plain for UTF-8 or [`None`] for binary. +pub fn detect_mime(data: &[u8]) -> Option { + if data.is_empty() { + return None; + } + + // Try image detection first + if let Ok(img_type) = imagesize::image_type(data) { + return Some(image_type_to_mime(img_type)); + } + + // Check if it's UTF-8 text + if let Ok(text) = std::str::from_utf8(data) { + let trimmed = text.trim(); + + // Check for text/uri-list format (file paths from file managers) + if is_uri_list(trimmed) { + return Some("text/uri-list".to_string()); + } + + // Default to plain text + return Some("text/plain".to_string()); + } + + // Unknown binary data + None +} + +/// Convert [`imagesize`] [`ImageType`] to MIME type string +fn image_type_to_mime(img_type: ImageType) -> String { + let mime = match img_type { + ImageType::Png => "image/png", + ImageType::Jpeg => "image/jpeg", + ImageType::Gif => "image/gif", + ImageType::Bmp => "image/bmp", + ImageType::Tiff => "image/tiff", + ImageType::Webp => "image/webp", + ImageType::Aseprite => "image/x-aseprite", + ImageType::Dds => "image/vnd.ms-dds", + ImageType::Exr => "image/aces", + ImageType::Farbfeld => "image/farbfeld", + ImageType::Hdr => "image/vnd.radiance", + ImageType::Ico => "image/x-icon", + ImageType::Ilbm => "image/ilbm", + ImageType::Jxl => "image/jxl", + ImageType::Ktx2 => "image/ktx2", + ImageType::Pnm => "image/x-portable-anymap", + ImageType::Psd => "image/vnd.adobe.photoshop", + ImageType::Qoi => "image/qoi", + ImageType::Tga => "image/x-tga", + ImageType::Vtf => "image/x-vtf", + ImageType::Heif(imagesize::Compression::Hevc) => "image/heic", + ImageType::Heif(_) => "image/heif", + _ => "application/octet-stream", + }; + mime.to_string() +} + +/// Check if text is a URI list per RFC 2483. +/// +/// Used when copying files from file managers - they provide file paths +/// as text/uri-list format (`file://` URIs, one per line, `#` for comments). +fn is_uri_list(text: &str) -> bool { + if text.is_empty() { + return false; + } + + // Must start with a URI scheme to even consider it + if !text.starts_with("file://") + && !text.starts_with("http://") + && !text.starts_with("https://") + && !text.starts_with("ftp://") + && !text.starts_with('#') + { + return false; + } + + let lines: Vec<&str> = text.lines().map(str::trim).collect(); + + // Check first non-comment line is a URI + let first_content = + lines.iter().find(|l| !l.is_empty() && !l.starts_with('#')); + + if let Some(line) = first_content { + line.starts_with("file://") + || line.starts_with("http://") + || line.starts_with("https://") + || line.starts_with("ftp://") + } else { + false + } +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn test_empty_data() { + assert_eq!(detect_mime(b""), None); + } + + #[test] + fn test_plain_text() { + let data = b"Hello, world!"; + assert_eq!(detect_mime(data), Some("text/plain".to_string())); + } + + #[test] + fn test_uri_list_single_file() { + let data = b"file:///home/user/document.pdf"; + assert_eq!(detect_mime(data), Some("text/uri-list".to_string())); + } + + #[test] + fn test_uri_list_multiple_files() { + let data = b"file:///home/user/file1.txt\nfile:///home/user/file2.txt"; + assert_eq!(detect_mime(data), Some("text/uri-list".to_string())); + } + + #[test] + fn test_uri_list_with_comments() { + let data = b"# Comment\nfile:///home/user/file.txt"; + assert_eq!(detect_mime(data), Some("text/uri-list".to_string())); + } + + #[test] + fn test_uri_list_http() { + let data = b"https://example.com/image.png"; + assert_eq!(detect_mime(data), Some("text/uri-list".to_string())); + } + + #[test] + fn test_not_uri_list() { + let data = b"This is just text with file:// in the middle"; + assert_eq!(detect_mime(data), Some("text/plain".to_string())); + } + + #[test] + fn test_unknown_binary() { + // Binary data that's not UTF-8 and not a known format + let data = b"\x80\x81\x82\x83\x84\x85\x86\x87"; + assert_eq!(detect_mime(data), None); + } + + #[test] + fn test_uri_list_trailing_newline() { + let data = b"file:///foo\n"; + assert_eq!(detect_mime(data), Some("text/uri-list".to_string())); + } + + #[test] + fn test_uri_list_ftp() { + let data = b"ftp://host/path"; + assert_eq!(detect_mime(data), Some("text/uri-list".to_string())); + } + + #[test] + fn test_uri_list_mixed_schemes() { + let data = b"file:///home/user/doc.pdf\nhttps://example.com/file.zip"; + assert_eq!(detect_mime(data), Some("text/uri-list".to_string())); + } + + #[test] + fn test_plain_url_in_text() { + let data = b"visit http://example.com for info"; + assert_eq!(detect_mime(data), Some("text/plain".to_string())); + } + + #[test] + fn test_png_magic_bytes() { + // Real PNG header: 8-byte signature + minimal IHDR chunk + let data: &[u8] = &[ + 0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A, // PNG signature + 0x00, 0x00, 0x00, 0x0D, // IHDR chunk length + 0x49, 0x48, 0x44, 0x52, // "IHDR" + 0x00, 0x00, 0x00, 0x01, // width: 1 + 0x00, 0x00, 0x00, 0x01, // height: 1 + 0x08, 0x02, // bit depth: 8, color type: 2 (RGB) + 0x00, 0x00, 0x00, // compression, filter, interlace + 0x90, 0x77, 0x53, 0xDE, // CRC + ]; + assert_eq!(detect_mime(data), Some("image/png".to_string())); + } + + #[test] + fn test_jpeg_magic_bytes() { + // JPEG SOI marker + APP0 (JFIF) marker + let data: &[u8] = &[ + 0xFF, 0xD8, 0xFF, 0xE0, // SOI + APP0 + 0x00, 0x10, // Length + 0x4A, 0x46, 0x49, 0x46, 0x00, // "JFIF\0" + 0x01, 0x01, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, + ]; + assert_eq!(detect_mime(data), Some("image/jpeg".to_string())); + } + + #[test] + fn test_gif_magic_bytes() { + // GIF89a header + let data: &[u8] = &[ + 0x47, 0x49, 0x46, 0x38, 0x39, 0x61, // "GIF89a" + 0x01, 0x00, 0x01, 0x00, // 1x1 + 0x80, 0x00, 0x00, // GCT flag, bg, aspect + ]; + assert_eq!(detect_mime(data), Some("image/gif".to_string())); + } + + #[test] + fn test_webp_magic_bytes() { + // RIFF....WEBP header + let data: &[u8] = &[ + 0x52, 0x49, 0x46, 0x46, // "RIFF" + 0x24, 0x00, 0x00, 0x00, // file size + 0x57, 0x45, 0x42, 0x50, // "WEBP" + 0x56, 0x50, 0x38, 0x20, // "VP8 " + 0x18, 0x00, 0x00, 0x00, // chunk size + 0x30, 0x01, 0x00, 0x9D, 0x01, 0x2A, // VP8 bitstream + 0x01, 0x00, 0x01, 0x00, // width/height + ]; + assert_eq!(detect_mime(data), Some("image/webp".to_string())); + } + + #[test] + fn test_whitespace_only() { + let data = b" \n\t "; + // Valid UTF-8 text, even if only whitespace. [`detect_mime`] doesn't reject + // it (store_entry rejects it separately). As text it's text/plain. + assert_eq!(detect_mime(data), Some("text/plain".to_string())); + } + + #[test] + fn test_image_type_to_mime_coverage() { + assert_eq!(image_type_to_mime(ImageType::Png), "image/png"); + assert_eq!(image_type_to_mime(ImageType::Jpeg), "image/jpeg"); + assert_eq!(image_type_to_mime(ImageType::Gif), "image/gif"); + assert_eq!(image_type_to_mime(ImageType::Bmp), "image/bmp"); + assert_eq!(image_type_to_mime(ImageType::Tiff), "image/tiff"); + assert_eq!(image_type_to_mime(ImageType::Webp), "image/webp"); + assert_eq!(image_type_to_mime(ImageType::Aseprite), "image/x-aseprite"); + assert_eq!(image_type_to_mime(ImageType::Dds), "image/vnd.ms-dds"); + assert_eq!(image_type_to_mime(ImageType::Exr), "image/aces"); + assert_eq!(image_type_to_mime(ImageType::Farbfeld), "image/farbfeld"); + assert_eq!(image_type_to_mime(ImageType::Hdr), "image/vnd.radiance"); + assert_eq!(image_type_to_mime(ImageType::Ico), "image/x-icon"); + assert_eq!(image_type_to_mime(ImageType::Ilbm), "image/ilbm"); + assert_eq!(image_type_to_mime(ImageType::Jxl), "image/jxl"); + assert_eq!(image_type_to_mime(ImageType::Ktx2), "image/ktx2"); + assert_eq!( + image_type_to_mime(ImageType::Pnm), + "image/x-portable-anymap" + ); + assert_eq!( + image_type_to_mime(ImageType::Psd), + "image/vnd.adobe.photoshop" + ); + assert_eq!(image_type_to_mime(ImageType::Qoi), "image/qoi"); + assert_eq!(image_type_to_mime(ImageType::Tga), "image/x-tga"); + assert_eq!(image_type_to_mime(ImageType::Vtf), "image/x-vtf"); + assert_eq!( + image_type_to_mime(ImageType::Heif(imagesize::Compression::Hevc)), + "image/heic" + ); + assert_eq!( + image_type_to_mime(ImageType::Heif(imagesize::Compression::Av1)), + "image/heif" + ); + } +} diff --git a/src/multicall/mod.rs b/src/multicall/mod.rs new file mode 100644 index 0000000..5f1c795 --- /dev/null +++ b/src/multicall/mod.rs @@ -0,0 +1,6 @@ +// Reference documentation: +// https://wayland.freedesktop.org/docs/html/apa.html#protocol-spec-wl_data_device +// https://docs.rs/wl-clipboard-rs/latest/wl_clipboard_rs +// https://github.com/YaLTeR/wl-clipboard-rs/blob/master/wl-clipboard-rs-tools/src/bin/wl_copy.rs +pub mod wl_copy; +pub mod wl_paste; diff --git a/src/multicall/wl_copy.rs b/src/multicall/wl_copy.rs new file mode 100644 index 0000000..3794420 --- /dev/null +++ b/src/multicall/wl_copy.rs @@ -0,0 +1,296 @@ +use std::io::{self, Read}; + +use clap::{ArgAction, Parser}; +use color_eyre::eyre::{Context, Result, bail}; +use wl_clipboard_rs::{ + copy::{ + ClipboardType as CopyClipboardType, + MimeType as CopyMimeType, + Options, + Seat as CopySeat, + ServeRequests, + Source, + }, + utils::{PrimarySelectionCheckError, is_primary_selection_supported}, +}; + +// Maximum clipboard content size to prevent memory exhaustion (100MB) +const MAX_CLIPBOARD_SIZE: usize = 100 * 1024 * 1024; + +#[derive(Parser, Debug)] +#[command( + name = "wl-copy", + about = "Copy clipboard contents on Wayland.", + version +)] +#[allow(clippy::struct_excessive_bools)] +struct WlCopyArgs { + /// Serve only a single paste request and then exit + #[arg(short = 'o', long = "paste-once", action = ArgAction::SetTrue)] + paste_once: bool, + + /// Stay in the foreground instead of forking + #[arg(short = 'f', long = "foreground", action = ArgAction::SetTrue)] + foreground: bool, + + /// Clear the clipboard instead of copying + #[arg(short = 'c', long = "clear", action = ArgAction::SetTrue)] + clear: bool, + + /// Use the "primary" clipboard + #[arg(short = 'p', long = "primary", action = ArgAction::SetTrue)] + primary: bool, + + /// Use the regular clipboard + #[arg(short = 'r', long = "regular", action = ArgAction::SetTrue)] + regular: bool, + + /// Trim the trailing newline character before copying + #[arg(short = 'n', long = "trim-newline", action = ArgAction::SetTrue)] + trim_newline: bool, + + /// Pick the seat to work with + #[arg(short = 's', long = "seat")] + seat: Option, + + /// Override the inferred MIME type for the content + #[arg(short = 't', long = "type")] + mime_type: Option, + + /// Enable verbose logging + #[arg(short = 'v', long = "verbose", action = ArgAction::Count)] + verbose: u8, + + /// Check if primary selection is supported and exit + #[arg(long = "check-primary", action = ArgAction::SetTrue)] + check_primary: bool, + + /// Do not offer additional text mime types (stash extension) + #[arg(long = "omit-additional-text-mime-types", action = ArgAction::SetTrue, hide = true)] + omit_additional_text_mime_types: bool, + + /// Number of paste requests to serve before exiting (stash extension) + #[arg(short = 'x', long = "serve-requests", hide = true)] + serve_requests: Option, + + /// Text to copy (if not given, read from stdin) + #[arg(value_name = "TEXT TO COPY", action = ArgAction::Append)] + text: Vec, +} + +fn handle_check_primary() { + let exit_code = match is_primary_selection_supported() { + Ok(true) => { + log::info!("primary selection is supported."); + 0 + }, + Ok(false) => { + log::info!("primary selection is NOT supported."); + 1 + }, + Err(PrimarySelectionCheckError::NoSeats) => { + log::error!("could not determine: no seats available."); + 2 + }, + Err(PrimarySelectionCheckError::MissingProtocol) => { + log::error!("data-control protocol not supported by compositor."); + 3 + }, + Err(e) => { + log::error!("error checking primary selection support: {e}"); + 4 + }, + }; + + // Exit with the relevant code + std::process::exit(exit_code); +} + +const fn get_clipboard_type(primary: bool) -> CopyClipboardType { + if primary { + CopyClipboardType::Primary + } else { + CopyClipboardType::Regular + } +} + +fn get_mime_type(mime_arg: Option<&str>) -> CopyMimeType { + match mime_arg { + Some("text" | "text/plain") => CopyMimeType::Text, + Some("autodetect") | None => CopyMimeType::Autodetect, + Some(specific) => CopyMimeType::Specific(specific.to_string()), + } +} + +fn read_input_data(text_args: &[String]) -> Result> { + if text_args.is_empty() { + let mut buffer = Vec::new(); + let mut stdin = io::stdin(); + + // Read with size limit to prevent memory exhaustion + let mut temp_buffer = [0; 8192]; + loop { + let bytes_read = stdin + .read(&mut temp_buffer) + .context("failed to read from stdin")?; + + if bytes_read == 0 { + break; + } + + if buffer.len() + bytes_read > MAX_CLIPBOARD_SIZE { + bail!( + "input exceeds maximum clipboard size of {} bytes", + MAX_CLIPBOARD_SIZE + ); + } + + buffer.extend_from_slice(&temp_buffer[..bytes_read]); + } + + Ok(buffer) + } else { + let content = text_args.join(" "); + if content.len() > MAX_CLIPBOARD_SIZE { + bail!( + "input exceeds maximum clipboard size of {} bytes", + MAX_CLIPBOARD_SIZE + ); + } + Ok(content.into_bytes()) + } +} + +fn configure_copy_options( + args: &WlCopyArgs, + clipboard: CopyClipboardType, +) -> Options { + let mut opts = Options::new(); + opts.clipboard(clipboard); + opts.seat( + args + .seat + .as_deref() + .map_or(CopySeat::All, |s| CopySeat::Specific(s.to_string())), + ); + + if args.trim_newline { + opts.trim_newline(true); + } + + if args.omit_additional_text_mime_types { + opts.omit_additional_text_mime_types(true); + } + + if args.paste_once { + opts.serve_requests(ServeRequests::Only(1)); + } else if let Some(n) = args.serve_requests { + opts.serve_requests(ServeRequests::Only(n)); + } + + opts +} + +fn handle_clear_clipboard( + args: &WlCopyArgs, + clipboard: CopyClipboardType, + mime_type: CopyMimeType, +) -> Result<()> { + let mut opts = Options::new(); + opts.clipboard(clipboard); + opts.seat( + args + .seat + .as_deref() + .map_or(CopySeat::All, |s| CopySeat::Specific(s.to_string())), + ); + + opts + .copy(Source::Bytes(Vec::new().into()), mime_type) + .context("failed to clear clipboard")?; + + Ok(()) +} + +fn fork_and_serve(prepared_copy: wl_clipboard_rs::copy::PreparedCopy) { + // Use proper Unix fork() to create a child process that continues + // serving clipboard content after parent exits. + // XXX: I wanted to choose and approach without fork, but we could not + // ensure persistence after the thread dies. Alas, we gotta fork. + unsafe { + match libc::fork() { + 0 => { + // Child process - serve clipboard content + if let Err(e) = prepared_copy.serve() { + log::error!("background clipboard service failed: {e}"); + std::process::exit(1); + } + std::process::exit(0); + }, + -1 => { + // Fork failed + log::error!("failed to fork background process"); + std::process::exit(1); + }, + _ => { + // Parent process - exit immediately + log::debug!("forked background process to serve clipboard content"); + std::process::exit(0); + }, + } + } +} + +pub fn wl_copy_main() -> Result<()> { + let args = WlCopyArgs::parse(); + + if args.check_primary { + handle_check_primary(); + } + + let clipboard = get_clipboard_type(args.primary); + let mime_type = get_mime_type(args.mime_type.as_deref()); + + // Handle clear operation + if args.clear { + handle_clear_clipboard(&args, clipboard, mime_type)?; + return Ok(()); + } + + // Read input data + let input = + read_input_data(&args.text).context("failed to read input data")?; + + // Configure copy options + let opts = configure_copy_options(&args, clipboard); + + // Handle foreground vs background mode + if args.foreground { + // Foreground mode: copy content and serve in current process + // Use prepare_copy + serve to ensure proper clipboard registration + let mut opts_fg = opts; + opts_fg.foreground(true); + + let prepared_copy = opts_fg + .prepare_copy(Source::Bytes(input.into()), mime_type) + .context("failed to prepare copy")?; + + // Serve in foreground - blocks until interrupted (Ctrl+C, etc.) + prepared_copy + .serve() + .context("failed to serve clipboard content")?; + } else { + // Background mode: spawn child process to serve requests + // First prepare to copy to validate before spawning + let mut opts_fg = opts; + opts_fg.foreground(true); + + let prepared_copy = opts_fg + .prepare_copy(Source::Bytes(input.into()), mime_type) + .context("failed to prepare copy")?; + + fork_and_serve(prepared_copy); + } + + Ok(()) +} diff --git a/src/multicall/wl_paste.rs b/src/multicall/wl_paste.rs new file mode 100644 index 0000000..5daa1fd --- /dev/null +++ b/src/multicall/wl_paste.rs @@ -0,0 +1,531 @@ +// https://wayland.freedesktop.org/docs/html/apa.html#protocol-spec-wl_data_device +// https://docs.rs/wl-clipboard-rs/latest/wl_clipboard_rs +// https://github.com/YaLTeR/wl-clipboard-rs/blob/master/wl-clipboard-rs-tools/src/bin/wl_paste.rs +use std::{ + collections::hash_map::DefaultHasher, + hash::{Hash, Hasher}, + io::{self, Read, Write}, + process::{Command, Stdio}, + sync::{Arc, Mutex}, + thread, + time::{Duration, Instant}, +}; + +use clap::{ArgAction, Parser}; +use color_eyre::eyre::{Context, Result, bail}; +use wl_clipboard_rs::paste::{ + ClipboardType as PasteClipboardType, + Error as PasteError, + MimeType as PasteMimeType, + Seat as PasteSeat, + get_contents, + get_mime_types, +}; + +// Watch mode timing constants +const WATCH_POLL_INTERVAL_MS: u64 = 500; +const WATCH_DEBOUNCE_INTERVAL_MS: u64 = 1000; + +// Maximum clipboard content size to prevent memory exhaustion (100MB) +const MAX_CLIPBOARD_SIZE: usize = 100 * 1024 * 1024; + +#[derive(Parser, Debug)] +#[command( + name = "wl-paste", + about = "Paste clipboard contents on Wayland.", + version, + disable_help_subcommand = true +)] +struct WlPasteArgs { + /// List the offered MIME types instead of pasting + #[arg(short = 'l', long = "list-types", action = ArgAction::SetTrue)] + list_types: bool, + + /// Use the "primary" clipboard + #[arg(short = 'p', long = "primary", action = ArgAction::SetTrue)] + primary: bool, + + /// Do not append a newline character + #[arg(short = 'n', long = "no-newline", action = ArgAction::SetTrue)] + no_newline: bool, + + /// Pick the seat to work with + #[arg(short = 's', long = "seat")] + seat: Option, + + /// Request the given MIME type instead of inferring the MIME type + #[arg(short = 't', long = "type")] + mime_type: Option, + + /// Enable verbose logging + #[arg(short = 'v', long = "verbose", action = ArgAction::Count)] + verbose: u8, + + /// Watch for clipboard changes and run a command + #[arg(short = 'w', long = "watch")] + watch: Option>, +} + +fn get_paste_mime_type(mime_arg: Option<&str>) -> PasteMimeType<'_> { + match mime_arg { + None | Some("text" | "autodetect") => PasteMimeType::Text, + Some(other) => PasteMimeType::Specific(other), + } +} + +fn handle_list_types( + clipboard: PasteClipboardType, + seat: PasteSeat, +) -> Result<()> { + match get_mime_types(clipboard, seat) { + Ok(types) => { + for mime_type in types { + println!("{mime_type}"); + } + + #[allow(clippy::needless_return)] + return Ok(()); + }, + Err(PasteError::NoSeats) => { + bail!("no seats available (is a Wayland compositor running?)"); + }, + Err(e) => { + bail!("failed to list types: {e}"); + }, + } +} + +fn handle_watch_mode( + args: &WlPasteArgs, + clipboard: PasteClipboardType, + seat: PasteSeat, +) -> Result<()> { + let watch_args = args.watch.as_ref().unwrap(); + if watch_args.is_empty() { + bail!("--watch requires a command to run"); + } + + log::info!("starting clipboard watch mode"); + + // Shared state for tracking last content and shutdown signal + let last_content_hash = Arc::new(Mutex::new(None::)); + let shutdown = Arc::new(Mutex::new(false)); + + // Set up signal handler for graceful shutdown + let shutdown_clone = shutdown.clone(); + ctrlc::set_handler(move || { + log::info!("received shutdown signal, stopping watch mode"); + if let Ok(mut shutdown_guard) = shutdown_clone.lock() { + *shutdown_guard = true; + } else { + log::error!("failed to acquire shutdown lock in signal handler"); + } + }) + .context("failed to set signal handler")?; + + let poll_interval = Duration::from_millis(WATCH_POLL_INTERVAL_MS); + let debounce_interval = Duration::from_millis(WATCH_DEBOUNCE_INTERVAL_MS); + let mut last_change_time = Instant::now(); + + loop { + // Check for shutdown signal + match shutdown.lock() { + Ok(shutdown_guard) => { + if *shutdown_guard { + log::info!("shutting down watch mode"); + break Ok(()); + } + }, + Err(e) => { + log::error!("failed to acquire shutdown lock: {e}"); + thread::sleep(poll_interval); + continue; + }, + } + + // Get current clipboard content + let current_hash = match get_clipboard_content_hash(clipboard, seat) { + Ok(hash) => hash, + Err(e) => { + log::error!("failed to get clipboard content hash: {e}"); + thread::sleep(poll_interval); + continue; + }, + }; + + // Check if content has changed + match last_content_hash.lock() { + Ok(mut last_hash_guard) => { + let changed = *last_hash_guard != Some(current_hash); + if changed { + let now = Instant::now(); + + // Debounce rapid changes + if now.duration_since(last_change_time) >= debounce_interval { + *last_hash_guard = Some(current_hash); + last_change_time = now; + drop(last_hash_guard); // Release lock before spawning command + + log::info!("clipboard content changed, executing watch command"); + + // Execute the watch command + if let Err(e) = execute_watch_command(watch_args, clipboard, seat) { + log::error!("failed to execute watch command: {e}"); + // Continue watching even if command fails + } + } + } + changed + }, + Err(e) => { + log::error!("failed to acquire last_content_hash lock: {e}"); + thread::sleep(poll_interval); + continue; + }, + }; + + thread::sleep(poll_interval); + } +} + +fn get_clipboard_content_hash( + clipboard: PasteClipboardType, + seat: PasteSeat, +) -> Result { + match get_contents(clipboard, seat, PasteMimeType::Text) { + Ok((mut reader, _types)) => { + let mut content = Vec::new(); + let mut temp_buffer = [0; 8192]; + + loop { + let bytes_read = reader + .read(&mut temp_buffer) + .context("failed to read clipboard content")?; + + if bytes_read == 0 { + break; + } + + if content.len() + bytes_read > MAX_CLIPBOARD_SIZE { + bail!( + "clipboard content exceeds maximum size of {} bytes", + MAX_CLIPBOARD_SIZE + ); + } + + content.extend_from_slice(&temp_buffer[..bytes_read]); + } + + let mut hasher = DefaultHasher::new(); + content.hash(&mut hasher); + Ok(hasher.finish()) + }, + Err(PasteError::ClipboardEmpty) => { + Ok(0) // Empty clipboard has hash 0 + }, + Err(e) => bail!("clipboard error: {e}"), + } +} + +/// Validate command name to prevent command injection +fn validate_command_name(cmd: &str) -> Result<()> { + if cmd.is_empty() { + bail!("command name cannot be empty"); + } + + // Reject commands with shell metacharacters or path traversal + if cmd.contains(|c| { + ['|', '&', ';', '$', '`', '(', ')', '<', '>', '"', '\'', '\\'].contains(&c) + }) { + bail!("command contains invalid characters: {cmd}"); + } + + // Reject absolute paths and relative path traversal + if cmd.starts_with('/') || cmd.contains("..") { + bail!("command paths are not allowed: {cmd}"); + } + + Ok(()) +} + +/// Set environment variable safely with validation +fn set_clipboard_state_env(has_content: bool) -> Result<()> { + let value = if has_content { "data" } else { "nil" }; + + // Validate the environment variable value + if !matches!(value, "data" | "nil") { + bail!("invalid clipboard state value: {value}"); + } + + // Safe to set environment variable with validated, known-safe value + unsafe { + std::env::set_var("STASH_CLIPBOARD_STATE", value); + } + Ok(()) +} + +fn execute_watch_command( + watch_args: &[String], + clipboard: PasteClipboardType, + seat: PasteSeat, +) -> Result<()> { + if watch_args.is_empty() { + bail!("watch command cannot be empty"); + } + + // Validate command name for security + validate_command_name(&watch_args[0])?; + + let mut cmd = Command::new(&watch_args[0]); + if watch_args.len() > 1 { + cmd.args(&watch_args[1..]); + } + + // Get clipboard content and pipe it to the command + match get_contents(clipboard, seat, PasteMimeType::Text) { + Ok((mut reader, _types)) => { + let mut content = Vec::new(); + let mut temp_buffer = [0; 8192]; + + loop { + let bytes_read = reader + .read(&mut temp_buffer) + .context("failed to read clipboard")?; + + if bytes_read == 0 { + break; + } + + if content.len() + bytes_read > MAX_CLIPBOARD_SIZE { + bail!( + "clipboard content exceeds maximum size of {} bytes", + MAX_CLIPBOARD_SIZE + ); + } + + content.extend_from_slice(&temp_buffer[..bytes_read]); + } + + // Set environment variable safely + set_clipboard_state_env(!content.is_empty())?; + + // Spawn the command with the content as stdin + cmd.stdin(Stdio::piped()); + + let mut child = cmd.spawn()?; + + if let Some(stdin) = child.stdin.take() { + let mut stdin = stdin; + if let Err(e) = stdin.write_all(&content) { + bail!("failed to write to command stdin: {e}"); + } + } + + match child.wait() { + Ok(status) => { + if !status.success() { + log::warn!("watch command exited with status: {status}"); + } + }, + Err(e) => { + bail!("failed to wait for command: {e}"); + }, + } + }, + Err(PasteError::ClipboardEmpty) => { + // Set environment variable safely + set_clipboard_state_env(false)?; + + // Run command with /dev/null as stdin + cmd.stdin(Stdio::null()); + + match cmd.status() { + Ok(status) => { + if !status.success() { + log::warn!("watch command exited with status: {status}"); + } + }, + Err(e) => { + bail!("failed to run command: {e}"); + }, + } + }, + Err(e) => { + bail!("clipboard error: {e}"); + }, + } + + Ok(()) +} + +/// Select the best MIME type from available types when none is specified. +/// Prefers specific content types (image/*, application/*) over generic +/// text representations (TEXT, STRING, `UTF8_STRING`). +fn select_best_mime_type( + types: &std::collections::HashSet, +) -> Option { + if types.is_empty() { + return None; + } + + // If only one type available, use it + if types.len() == 1 { + return types.iter().next().cloned(); + } + + // Prefer specific MIME types with slashes (e.g., image/png, application/pdf) + // over generic X11 selections (TEXT, STRING, UTF8_STRING) + let specific_types: Vec<_> = + types.iter().filter(|t| t.contains('/')).collect(); + + if !specific_types.is_empty() { + // Among specific types, prefer non-text types first + for mime in &specific_types { + if !mime.starts_with("text/") { + return Some((*mime).clone()); + } + } + // If all are text types, prefer text/plain with charset + for mime in &specific_types { + if mime.starts_with("text/plain;charset=") { + return Some((*mime).clone()); + } + } + // Otherwise return first specific type + return Some(specific_types[0].clone()); + } + + // Fall back to generic text selections in order of preference + for fallback in &["UTF8_STRING", "STRING", "TEXT"] { + if types.contains(*fallback) { + return Some((*fallback).to_string()); + } + } + + // Last resort: return any available type + types.iter().next().cloned() +} + +fn handle_regular_paste( + args: &WlPasteArgs, + clipboard: PasteClipboardType, + seat: PasteSeat, +) -> Result<()> { + // If no MIME type specified, select the best available MIME type + let available_types = if args.mime_type.is_none() { + get_mime_types(clipboard, seat).ok() + } else { + None + }; + + let selected_type = available_types.as_ref().and_then(select_best_mime_type); + + let mime_type = if let Some(ref best) = selected_type { + log::debug!("auto-selecting MIME type: {best}"); + PasteMimeType::Specific(best) + } else { + get_paste_mime_type(args.mime_type.as_deref()) + }; + + match get_contents(clipboard, seat, mime_type) { + Ok((mut reader, types)) => { + let mut out = io::stdout(); + let mut buf = Vec::new(); + let mut temp_buffer = [0; 8192]; + + loop { + let bytes_read = reader + .read(&mut temp_buffer) + .context("failed to read clipboard")?; + + if bytes_read == 0 { + break; + } + + if buf.len() + bytes_read > MAX_CLIPBOARD_SIZE { + bail!( + "clipboard content exceeds maximum size of {} bytes", + MAX_CLIPBOARD_SIZE + ); + } + + buf.extend_from_slice(&temp_buffer[..bytes_read]); + } + + if buf.is_empty() && args.no_newline { + bail!("no content available and --no-newline specified"); + } + if let Err(e) = out.write_all(&buf) { + bail!("failed to write to stdout: {e}"); + } + + // Only add newline for text content, not binary data + // Check if the MIME type indicates text content + let is_text_content = if types.is_empty() { + // If no MIME type, check if content is valid UTF-8 + std::str::from_utf8(&buf).is_ok() + } else { + types.starts_with("text/") + || types == "application/json" + || types == "application/xml" + || types == "application/x-sh" + }; + + if !args.no_newline + && is_text_content + && !buf.ends_with(b"\n") + && let Err(e) = out.write_all(b"\n") + { + bail!("failed to write newline to stdout: {e}"); + } + }, + Err(PasteError::NoSeats) => { + bail!("no seats available (is a Wayland compositor running?)"); + }, + Err(PasteError::ClipboardEmpty) => { + if args.no_newline { + bail!("clipboard empty and --no-newline specified"); + } + // Otherwise, exit successfully with no output + }, + Err(PasteError::NoMimeType) => { + bail!("clipboard does not contain requested MIME type"); + }, + Err(e) => { + bail!("clipboard error: {e}"); + }, + } + + Ok(()) +} + +pub fn wl_paste_main() -> Result<()> { + let args = WlPasteArgs::parse(); + + let clipboard = if args.primary { + PasteClipboardType::Primary + } else { + PasteClipboardType::Regular + }; + let seat = args + .seat + .as_deref() + .map_or(PasteSeat::Unspecified, PasteSeat::Specific); + + // Handle list-types option + if args.list_types { + handle_list_types(clipboard, seat)?; + return Ok(()); + } + + // Handle watch mode + if args.watch.is_some() { + handle_watch_mode(&args, clipboard, seat)?; + return Ok(()); + } + + // Regular paste mode + handle_regular_paste(&args, clipboard, seat)?; + + Ok(()) +} diff --git a/src/wayland/mod.rs b/src/wayland/mod.rs new file mode 100644 index 0000000..38f6ff5 --- /dev/null +++ b/src/wayland/mod.rs @@ -0,0 +1,179 @@ +use std::{ + collections::HashMap, + sync::{Arc, LazyLock, Mutex}, +}; + +use arc_swap::ArcSwapOption; +use log::debug; +use wayland_client::{ + Connection as WaylandConnection, + Dispatch, + Proxy, + QueueHandle, + backend::ObjectId, + protocol::wl_registry, +}; +use wayland_protocols_wlr::foreign_toplevel::v1::client::{ + zwlr_foreign_toplevel_handle_v1::{self, ZwlrForeignToplevelHandleV1}, + zwlr_foreign_toplevel_manager_v1::{self, ZwlrForeignToplevelManagerV1}, +}; + +static FOCUSED_APP: ArcSwapOption = ArcSwapOption::const_empty(); +static TOPLEVEL_APPS: LazyLock>> = + LazyLock::new(|| Mutex::new(HashMap::new())); + +/// Initialize Wayland state for window management in a background thread +pub fn init_wayland_state() { + std::thread::spawn(|| { + if let Err(e) = run_wayland_event_loop() { + debug!("Wayland event loop error: {e}"); + } + }); +} + +/// Get the currently focused window application name using Wayland protocols +pub fn get_focused_window_app() -> Option { + // Load the focused app using lock-free arc-swap + let focused = FOCUSED_APP.load(); + if let Some(app) = focused.as_ref() { + debug!("Found focused app via Wayland protocol: {app}"); + return Some(app.to_string()); + } + + debug!("No focused window detection method worked"); + None +} + +/// Run the Wayland event loop +fn run_wayland_event_loop() -> Result<(), Box> { + let conn = match WaylandConnection::connect_to_env() { + Ok(conn) => conn, + Err(e) => { + debug!("Failed to connect to Wayland: {e}"); + return Ok(()); + }, + }; + + let display = conn.display(); + let mut event_queue = conn.new_event_queue(); + let qh = event_queue.handle(); + + let _registry = display.get_registry(&qh, ()); + + loop { + event_queue.blocking_dispatch(&mut AppState)?; + } +} + +struct AppState; + +impl Dispatch for AppState { + fn event( + _state: &mut Self, + registry: &wl_registry::WlRegistry, + event: wl_registry::Event, + _data: &(), + _conn: &WaylandConnection, + qh: &QueueHandle, + ) { + if let wl_registry::Event::Global { + name, + interface, + version: _, + } = event + && interface == "zwlr_foreign_toplevel_manager_v1" + { + let _manager: ZwlrForeignToplevelManagerV1 = + registry.bind(name, 1, qh, ()); + } + } + + fn event_created_child( + _opcode: u16, + qhandle: &QueueHandle, + ) -> std::sync::Arc { + qhandle.make_data::(()) + } +} + +impl Dispatch for AppState { + fn event( + _state: &mut Self, + _manager: &ZwlrForeignToplevelManagerV1, + event: zwlr_foreign_toplevel_manager_v1::Event, + _data: &(), + _conn: &WaylandConnection, + _qh: &QueueHandle, + ) { + if let zwlr_foreign_toplevel_manager_v1::Event::Toplevel { toplevel } = + event + { + // New toplevel created + // We'll track it for focus events + let _: ZwlrForeignToplevelHandleV1 = toplevel; + } + } + + fn event_created_child( + _opcode: u16, + qhandle: &QueueHandle, + ) -> std::sync::Arc { + qhandle.make_data::(()) + } +} + +impl Dispatch for AppState { + fn event( + _state: &mut Self, + handle: &ZwlrForeignToplevelHandleV1, + event: zwlr_foreign_toplevel_handle_v1::Event, + _data: &(), + _conn: &WaylandConnection, + _qh: &QueueHandle, + ) { + let handle_id = handle.id(); + + match event { + zwlr_foreign_toplevel_handle_v1::Event::AppId { app_id } => { + debug!("Toplevel app_id: {app_id}"); + // Store the app_id for this handle + if let Ok(mut apps) = TOPLEVEL_APPS.lock() { + apps.insert(handle_id, app_id); + } + }, + zwlr_foreign_toplevel_handle_v1::Event::State { + state: toplevel_state, + } => { + // Check if this toplevel is activated (focused) + let states: Vec = toplevel_state; + // Check for activated state (value 2 in the enum) + if states.chunks_exact(4).any(|chunk| { + u32::from_ne_bytes([chunk[0], chunk[1], chunk[2], chunk[3]]) == 2 + }) { + debug!("Toplevel activated"); + // Update focused app to the `app_id` of this handle + if let Ok(apps) = TOPLEVEL_APPS.lock() + && let Some(app_id) = apps.get(&handle_id) + { + debug!("Setting focused app to: {app_id}"); + FOCUSED_APP.store(Some(Arc::new(app_id.clone()))); + } + } + }, + zwlr_foreign_toplevel_handle_v1::Event::Closed => { + // Clean up when toplevel is closed + if let Ok(mut apps) = TOPLEVEL_APPS.lock() { + apps.remove(&handle_id); + } + }, + _ => {}, + } + } + + fn event_created_child( + _opcode: u16, + qhandle: &QueueHandle, + ) -> std::sync::Arc { + qhandle.make_data::(()) + } +}