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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `src/server.rs`."><title>server.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-42caa33d.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="server" data-themes="" data-resource-suffix="" data-rustdoc-version="1.84.1 (e71f9a9a9 2025-01-27)" data-channel="1.84.1" data-search-js="search-92e6798f.js" data-settings-js="settings-0f613d39.js" ><script src="../../static.files/storage-59e33391.js"></script><script defer src="../../static.files/src-script-56102188.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-5f194d8c.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-893ab5e7.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-6580c154.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer"></div><main><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">server/</div>server.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap"><div data-nosnippet><pre class="src-line-numbers">
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<a href="#217" id="217">217</a></pre></div><pre class="rust"><code><span class="kw">use </span>std::env;
<span class="kw">use </span>std::io::Read;
<span class="kw">use </span>std::sync::Arc;
<span class="kw">use </span>clap::Parser;
<span class="kw">use </span>native_tls::{Identity, TlsAcceptor <span class="kw">as </span>NativeTlsAcceptor};
<span class="kw">use </span>serde_json::json;
<span class="kw">use </span>tokio::io::{AsyncReadExt, AsyncWriteExt};
<span class="kw">use </span>tokio_native_tls::TlsAcceptor;
<span class="kw">use </span>tracing::{debug, error, info};
<span class="kw">use </span>mrc::{get_property, playlist_clear, playlist_next, playlist_prev, quit, seek, set_property};
<span class="attr">#[derive(Parser)]
#[command(author, version, about)]
</span><span class="kw">struct </span>Config {
<span class="doccomment">/// The IP address and port to bind the server to
</span><span class="attr">#[arg(short, long, default_value = <span class="string">"127.0.0.1:8080"</span>)]
</span>bind: String,
<span class="doccomment">/// Path to MPV IPC socket
</span><span class="attr">#[arg(short, long, default_value = <span class="string">"/tmp/mpvsocket"</span>)]
</span>socket: String,
}
<span class="kw">async fn </span>handle_connection(
stream: tokio::net::TcpStream,
acceptor: Arc&lt;TlsAcceptor&gt;,
) -&gt; <span class="prelude-ty">Result</span>&lt;(), Box&lt;<span class="kw">dyn </span>std::error::Error + Send + Sync&gt;&gt; {
<span class="kw">let </span><span class="kw-2">mut </span>stream = acceptor.accept(stream).<span class="kw">await</span><span class="question-mark">?</span>;
<span class="kw">let </span><span class="kw-2">mut </span>buffer = <span class="macro">vec!</span>[<span class="number">0</span>; <span class="number">2048</span>];
<span class="kw">let </span>n = stream.read(<span class="kw-2">&amp;mut </span>buffer).<span class="kw">await</span><span class="question-mark">?</span>;
<span class="kw">let </span>request = String::from_utf8_lossy(<span class="kw-2">&amp;</span>buffer[..n]);
<span class="macro">debug!</span>(<span class="string">"Received request:\n{}"</span>, request);
<span class="kw">let </span>headers = request.split(<span class="string">"\r\n"</span>).collect::&lt;Vec&lt;<span class="kw-2">&amp;</span>str&gt;&gt;();
<span class="kw">let </span>token_line = headers
.iter()
.find(|&amp;&amp;line| line.starts_with(<span class="string">"Authorization:"</span>));
<span class="kw">let </span>token = <span class="kw">match </span>token_line {
<span class="prelude-val">Some</span>(line) =&gt; line.split(<span class="string">" "</span>).nth(<span class="number">1</span>).unwrap_or_default(),
<span class="prelude-val">None </span>=&gt; <span class="string">""</span>,
};
<span class="kw">let </span>auth_token = <span class="kw">match </span>env::var(<span class="string">"AUTH_TOKEN"</span>) {
<span class="prelude-val">Ok</span>(token) =&gt; token,
<span class="prelude-val">Err</span>(<span class="kw">_</span>) =&gt; {
<span class="macro">error!</span>(<span class="string">"Authentication token is not set. Connection cannot be accepted."</span>);
stream.write_all(<span class="string">b"Authentication token not set\n"</span>).<span class="kw">await</span><span class="question-mark">?</span>;
<span class="comment">// You know what? I do not care to panic when the authentication token is
// missing in the environment. Start the goddamned server and hell, even
// accept incoming connections. Authenticated requests will be refused
// when the token is incorrect or not set, so we can simply continue here.
</span><span class="kw">return </span><span class="prelude-val">Ok</span>(());
}
};
<span class="kw">if </span>token != auth_token {
stream.write_all(<span class="string">b"Authentication failed\n"</span>).<span class="kw">await</span><span class="question-mark">?</span>;
<span class="kw">return </span><span class="prelude-val">Ok</span>(());
}
<span class="macro">info!</span>(<span class="string">"Client authenticated"</span>);
stream.write_all(<span class="string">b"Authenticated\n"</span>).<span class="kw">await</span><span class="question-mark">?</span>;
<span class="kw">let </span>command = request.split(<span class="string">"\r\n\r\n"</span>).last().unwrap_or(<span class="string">""</span>);
<span class="macro">info!</span>(<span class="string">"Received command: {}"</span>, command);
<span class="kw">let </span>response = <span class="kw">match </span>process_command(command.trim()).<span class="kw">await </span>{
<span class="prelude-val">Ok</span>(response) =&gt; response,
<span class="prelude-val">Err</span>(e) =&gt; {
<span class="macro">error!</span>(<span class="string">"Error processing command: {}"</span>, e);
<span class="macro">format!</span>(<span class="string">"Error: {:?}"</span>, e)
}
};
<span class="kw">let </span>http_response = <span class="macro">format!</span>(
<span class="string">"HTTP/1.1 200 OK\r\nContent-Length: {}\r\n\r\n{}"</span>,
response.len(),
response
);
stream.write_all(http_response.as_bytes()).<span class="kw">await</span><span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(())
}
<span class="kw">async fn </span>process_command(command: <span class="kw-2">&amp;</span>str) -&gt; <span class="prelude-ty">Result</span>&lt;String, String&gt; {
<span class="kw">match </span>command {
<span class="string">"pause" </span>=&gt; {
<span class="macro">info!</span>(<span class="string">"Pausing playback"</span>);
set_property(<span class="string">"pause"</span>, <span class="kw-2">&amp;</span><span class="macro">json!</span>(<span class="bool-val">true</span>), <span class="prelude-val">None</span>)
.<span class="kw">await
</span>.map_err(|e| <span class="macro">format!</span>(<span class="string">"Failed to pause: {:?}"</span>, e))<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="string">"Paused playback\n"</span>.to_string())
}
<span class="string">"play" </span>=&gt; {
<span class="macro">info!</span>(<span class="string">"Unpausing playback"</span>);
set_property(<span class="string">"pause"</span>, <span class="kw-2">&amp;</span><span class="macro">json!</span>(<span class="bool-val">false</span>), <span class="prelude-val">None</span>)
.<span class="kw">await
</span>.map_err(|e| <span class="macro">format!</span>(<span class="string">"Failed to play: {:?}"</span>, e))<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="string">"Resumed playback\n"</span>.to_string())
}
<span class="string">"stop" </span>=&gt; {
<span class="macro">info!</span>(<span class="string">"Stopping playback and quitting MPV"</span>);
quit(<span class="prelude-val">None</span>)
.<span class="kw">await
</span>.map_err(|e| <span class="macro">format!</span>(<span class="string">"Failed to stop: {:?}"</span>, e))<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="string">"Stopped playback\n"</span>.to_string())
}
<span class="string">"next" </span>=&gt; {
<span class="macro">info!</span>(<span class="string">"Skipping to next item in the playlist"</span>);
playlist_next(<span class="prelude-val">None</span>)
.<span class="kw">await
</span>.map_err(|e| <span class="macro">format!</span>(<span class="string">"Failed to skip to next: {:?}"</span>, e))<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="string">"Skipped to next item\n"</span>.to_string())
}
<span class="string">"prev" </span>=&gt; {
<span class="macro">info!</span>(<span class="string">"Skipping to previous item in the playlist"</span>);
playlist_prev(<span class="prelude-val">None</span>)
.<span class="kw">await
</span>.map_err(|e| <span class="macro">format!</span>(<span class="string">"Failed to skip to previous: {:?}"</span>, e))<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="string">"Skipped to previous item\n"</span>.to_string())
}
<span class="string">"seek" </span>=&gt; {
<span class="kw">let </span>parts: Vec&lt;<span class="kw-2">&amp;</span>str&gt; = command.split_whitespace().collect();
<span class="kw">if let </span><span class="prelude-val">Some</span>(seconds) = parts.get(<span class="number">1</span>) {
<span class="kw">if let </span><span class="prelude-val">Ok</span>(sec) = seconds.parse::&lt;i32&gt;() {
<span class="macro">info!</span>(<span class="string">"Seeking to {} seconds"</span>, sec);
seek(sec.into(), <span class="prelude-val">None</span>)
.<span class="kw">await
</span>.map_err(|e| <span class="macro">format!</span>(<span class="string">"Failed to seek: {:?}"</span>, e))<span class="question-mark">?</span>;
<span class="kw">return </span><span class="prelude-val">Ok</span>(<span class="macro">format!</span>(<span class="string">"Seeking to {} seconds\n"</span>, sec));
}
}
<span class="prelude-val">Err</span>(<span class="string">"Invalid seek command"</span>.to_string())
}
<span class="string">"clear" </span>=&gt; {
<span class="macro">info!</span>(<span class="string">"Clearing the playlist"</span>);
playlist_clear(<span class="prelude-val">None</span>)
.<span class="kw">await
</span>.map_err(|e| <span class="macro">format!</span>(<span class="string">"Failed to clear playlist: {:?}"</span>, e))<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="string">"Cleared playlist\n"</span>.to_string())
}
<span class="string">"list" </span>=&gt; {
<span class="macro">info!</span>(<span class="string">"Listing playlist items"</span>);
<span class="kw">match </span>get_property(<span class="string">"playlist"</span>, <span class="prelude-val">None</span>).<span class="kw">await </span>{
<span class="prelude-val">Ok</span>(<span class="prelude-val">Some</span>(data)) =&gt; <span class="prelude-val">Ok</span>(<span class="macro">format!</span>(
<span class="string">"Playlist: {}"</span>,
serde_json::to_string_pretty(<span class="kw-2">&amp;</span>data).unwrap()
)),
<span class="prelude-val">Ok</span>(<span class="prelude-val">None</span>) =&gt; <span class="prelude-val">Err</span>(<span class="string">"No playlist data available"</span>.to_string()),
<span class="prelude-val">Err</span>(e) =&gt; <span class="prelude-val">Err</span>(<span class="macro">format!</span>(<span class="string">"Failed to fetch playlist: {:?}"</span>, e)),
}
}
<span class="kw">_ </span>=&gt; <span class="prelude-val">Err</span>(<span class="string">"Unknown command"</span>.to_string()),
}
}
<span class="kw">fn </span>create_tls_acceptor() -&gt; <span class="prelude-ty">Result</span>&lt;TlsAcceptor, Box&lt;<span class="kw">dyn </span>std::error::Error + Send + Sync&gt;&gt; {
<span class="kw">let </span>pfx_path = env::var(<span class="string">"TLS_PFX_PATH"</span>)
.map_err(|<span class="kw">_</span>| std::io::Error::new(std::io::ErrorKind::NotFound, <span class="string">"TLS_PFX_PATH not set"</span>))<span class="question-mark">?</span>;
<span class="kw">let </span>password = env::var(<span class="string">"TLS_PASSWORD"</span>)
.map_err(|<span class="kw">_</span>| std::io::Error::new(std::io::ErrorKind::NotFound, <span class="string">"TLS_PASSWORD not set"</span>))<span class="question-mark">?</span>;
<span class="kw">let </span><span class="kw-2">mut </span>file = std::fs::File::open(<span class="kw-2">&amp;</span>pfx_path)<span class="question-mark">?</span>;
<span class="kw">let </span><span class="kw-2">mut </span>identity = <span class="macro">vec!</span>[];
file.read_to_end(<span class="kw-2">&amp;mut </span>identity)<span class="question-mark">?</span>;
<span class="kw">let </span>identity = Identity::from_pkcs12(<span class="kw-2">&amp;</span>identity, <span class="kw-2">&amp;</span>password)<span class="question-mark">?</span>;
<span class="kw">let </span>native_acceptor = NativeTlsAcceptor::new(identity)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(TlsAcceptor::from(native_acceptor))
}
<span class="attr">#[tokio::main]
</span><span class="kw">async fn </span>main() -&gt; <span class="prelude-ty">Result</span>&lt;(), Box&lt;<span class="kw">dyn </span>std::error::Error + Send + Sync&gt;&gt; {
tracing_subscriber::fmt::init();
<span class="kw">let </span>config = Config::parse();
<span class="kw">if </span>!std::path::Path::new(<span class="kw-2">&amp;</span>config.socket).exists() {
<span class="macro">error!</span>(
<span class="string">"Error: MPV socket not found at '{}'. Is MPV running?"</span>,
config.socket
);
}
<span class="macro">info!</span>(<span class="string">"Server is starting..."</span>);
<span class="kw">match </span>create_tls_acceptor() {
<span class="prelude-val">Ok</span>(acceptor) =&gt; {
<span class="kw">let </span>acceptor = Arc::new(acceptor);
<span class="kw">let </span>listener = tokio::net::TcpListener::bind(<span class="kw-2">&amp;</span>config.bind).<span class="kw">await</span><span class="question-mark">?</span>;
<span class="macro">info!</span>(<span class="string">"Server is listening on {}"</span>, config.bind);
<span class="kw">loop </span>{
<span class="kw">let </span>(stream, <span class="kw">_</span>) = listener.accept().<span class="kw">await</span><span class="question-mark">?</span>;
<span class="macro">info!</span>(<span class="string">"New connection accepted."</span>);
<span class="kw">let </span>acceptor = Arc::clone(<span class="kw-2">&amp;</span>acceptor);
tokio::spawn(handle_connection(stream, acceptor));
}
}
<span class="prelude-val">Err</span>(e) =&gt; {
<span class="macro">error!</span>(<span class="string">"Failed to initialize TLS: {}"</span>, e);
<span class="kw">return </span><span class="prelude-val">Err</span>(e);
}
}
}
</code></pre></div></section></main></body></html>
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `src/server.rs`."><title>server.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-6c3ea77c.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="server" data-themes="" data-resource-suffix="" data-rustdoc-version="1.86.0 (05f9846f8 2025-03-31)" data-channel="1.86.0" data-search-js="search-581efc7a.js" data-settings-js="settings-6dad6058.js" ><script src="../../static.files/storage-3a5871a4.js"></script><script defer src="../../static.files/src-script-b8d3f215.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-4d63596a.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-893ab5e7.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-6580c154.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer"></div><main><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">server/</div>server.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-3"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="kw">use </span>std::env;
<a href=#2 id=2 data-nosnippet>2</a><span class="kw">use </span>std::io::Read;
<a href=#3 id=3 data-nosnippet>3</a><span class="kw">use </span>std::sync::Arc;
<a href=#4 id=4 data-nosnippet>4</a>
<a href=#5 id=5 data-nosnippet>5</a><span class="kw">use </span>clap::Parser;
<a href=#6 id=6 data-nosnippet>6</a><span class="kw">use </span>native_tls::{Identity, TlsAcceptor <span class="kw">as </span>NativeTlsAcceptor};
<a href=#7 id=7 data-nosnippet>7</a><span class="kw">use </span>serde_json::json;
<a href=#8 id=8 data-nosnippet>8</a><span class="kw">use </span>tokio::io::{AsyncReadExt, AsyncWriteExt};
<a href=#9 id=9 data-nosnippet>9</a><span class="kw">use </span>tokio_native_tls::TlsAcceptor;
<a href=#10 id=10 data-nosnippet>10</a><span class="kw">use </span>tracing::{debug, error, info};
<a href=#11 id=11 data-nosnippet>11</a>
<a href=#12 id=12 data-nosnippet>12</a><span class="kw">use </span>mrc::{get_property, playlist_clear, playlist_next, playlist_prev, quit, seek, set_property};
<a href=#13 id=13 data-nosnippet>13</a>
<a href=#14 id=14 data-nosnippet>14</a><span class="attr">#[derive(Parser)]
<a href=#15 id=15 data-nosnippet>15</a>#[command(author, version, about)]
<a href=#16 id=16 data-nosnippet>16</a></span><span class="kw">struct </span>Config {
<a href=#17 id=17 data-nosnippet>17</a> <span class="doccomment">/// The IP address and port to bind the server to
<a href=#18 id=18 data-nosnippet>18</a> </span><span class="attr">#[arg(short, long, default_value = <span class="string">"127.0.0.1:8080"</span>)]
<a href=#19 id=19 data-nosnippet>19</a> </span>bind: String,
<a href=#20 id=20 data-nosnippet>20</a>
<a href=#21 id=21 data-nosnippet>21</a> <span class="doccomment">/// Path to MPV IPC socket
<a href=#22 id=22 data-nosnippet>22</a> </span><span class="attr">#[arg(short, long, default_value = <span class="string">"/tmp/mpvsocket"</span>)]
<a href=#23 id=23 data-nosnippet>23</a> </span>socket: String,
<a href=#24 id=24 data-nosnippet>24</a>}
<a href=#25 id=25 data-nosnippet>25</a>
<a href=#26 id=26 data-nosnippet>26</a><span class="kw">async fn </span>handle_connection(
<a href=#27 id=27 data-nosnippet>27</a> stream: tokio::net::TcpStream,
<a href=#28 id=28 data-nosnippet>28</a> acceptor: Arc&lt;TlsAcceptor&gt;,
<a href=#29 id=29 data-nosnippet>29</a>) -&gt; <span class="prelude-ty">Result</span>&lt;(), Box&lt;<span class="kw">dyn </span>std::error::Error + Send + Sync&gt;&gt; {
<a href=#30 id=30 data-nosnippet>30</a> <span class="kw">let </span><span class="kw-2">mut </span>stream = acceptor.accept(stream).<span class="kw">await</span><span class="question-mark">?</span>;
<a href=#31 id=31 data-nosnippet>31</a> <span class="kw">let </span><span class="kw-2">mut </span>buffer = <span class="macro">vec!</span>[<span class="number">0</span>; <span class="number">2048</span>];
<a href=#32 id=32 data-nosnippet>32</a>
<a href=#33 id=33 data-nosnippet>33</a> <span class="kw">let </span>n = stream.read(<span class="kw-2">&amp;mut </span>buffer).<span class="kw">await</span><span class="question-mark">?</span>;
<a href=#34 id=34 data-nosnippet>34</a> <span class="kw">let </span>request = String::from_utf8_lossy(<span class="kw-2">&amp;</span>buffer[..n]);
<a href=#35 id=35 data-nosnippet>35</a>
<a href=#36 id=36 data-nosnippet>36</a> <span class="macro">debug!</span>(<span class="string">"Received request:\n{}"</span>, request);
<a href=#37 id=37 data-nosnippet>37</a>
<a href=#38 id=38 data-nosnippet>38</a> <span class="kw">let </span>headers = request.split(<span class="string">"\r\n"</span>).collect::&lt;Vec&lt;<span class="kw-2">&amp;</span>str&gt;&gt;();
<a href=#39 id=39 data-nosnippet>39</a> <span class="kw">let </span>token_line = headers
<a href=#40 id=40 data-nosnippet>40</a> .iter()
<a href=#41 id=41 data-nosnippet>41</a> .find(|&amp;&amp;line| line.starts_with(<span class="string">"Authorization:"</span>));
<a href=#42 id=42 data-nosnippet>42</a> <span class="kw">let </span>token = <span class="kw">match </span>token_line {
<a href=#43 id=43 data-nosnippet>43</a> <span class="prelude-val">Some</span>(line) =&gt; line.split(<span class="string">" "</span>).nth(<span class="number">1</span>).unwrap_or_default(),
<a href=#44 id=44 data-nosnippet>44</a> <span class="prelude-val">None </span>=&gt; <span class="string">""</span>,
<a href=#45 id=45 data-nosnippet>45</a> };
<a href=#46 id=46 data-nosnippet>46</a>
<a href=#47 id=47 data-nosnippet>47</a> <span class="kw">let </span>auth_token = <span class="kw">match </span>env::var(<span class="string">"AUTH_TOKEN"</span>) {
<a href=#48 id=48 data-nosnippet>48</a> <span class="prelude-val">Ok</span>(token) =&gt; token,
<a href=#49 id=49 data-nosnippet>49</a> <span class="prelude-val">Err</span>(<span class="kw">_</span>) =&gt; {
<a href=#50 id=50 data-nosnippet>50</a> <span class="macro">error!</span>(<span class="string">"Authentication token is not set. Connection cannot be accepted."</span>);
<a href=#51 id=51 data-nosnippet>51</a> stream.write_all(<span class="string">b"Authentication token not set\n"</span>).<span class="kw">await</span><span class="question-mark">?</span>;
<a href=#52 id=52 data-nosnippet>52</a>
<a href=#53 id=53 data-nosnippet>53</a> <span class="comment">// You know what? I do not care to panic when the authentication token is
<a href=#54 id=54 data-nosnippet>54</a> // missing in the environment. Start the goddamned server and hell, even
<a href=#55 id=55 data-nosnippet>55</a> // accept incoming connections. Authenticated requests will be refused
<a href=#56 id=56 data-nosnippet>56</a> // when the token is incorrect or not set, so we can simply continue here.
<a href=#57 id=57 data-nosnippet>57</a> </span><span class="kw">return </span><span class="prelude-val">Ok</span>(());
<a href=#58 id=58 data-nosnippet>58</a> }
<a href=#59 id=59 data-nosnippet>59</a> };
<a href=#60 id=60 data-nosnippet>60</a>
<a href=#61 id=61 data-nosnippet>61</a> <span class="kw">if </span>token != auth_token {
<a href=#62 id=62 data-nosnippet>62</a> stream.write_all(<span class="string">b"Authentication failed\n"</span>).<span class="kw">await</span><span class="question-mark">?</span>;
<a href=#63 id=63 data-nosnippet>63</a> <span class="kw">return </span><span class="prelude-val">Ok</span>(());
<a href=#64 id=64 data-nosnippet>64</a> }
<a href=#65 id=65 data-nosnippet>65</a>
<a href=#66 id=66 data-nosnippet>66</a> <span class="macro">info!</span>(<span class="string">"Client authenticated"</span>);
<a href=#67 id=67 data-nosnippet>67</a> stream.write_all(<span class="string">b"Authenticated\n"</span>).<span class="kw">await</span><span class="question-mark">?</span>;
<a href=#68 id=68 data-nosnippet>68</a>
<a href=#69 id=69 data-nosnippet>69</a> <span class="kw">let </span>command = request.split(<span class="string">"\r\n\r\n"</span>).last().unwrap_or(<span class="string">""</span>);
<a href=#70 id=70 data-nosnippet>70</a> <span class="macro">info!</span>(<span class="string">"Received command: {}"</span>, command);
<a href=#71 id=71 data-nosnippet>71</a>
<a href=#72 id=72 data-nosnippet>72</a> <span class="kw">let </span>response = <span class="kw">match </span>process_command(command.trim()).<span class="kw">await </span>{
<a href=#73 id=73 data-nosnippet>73</a> <span class="prelude-val">Ok</span>(response) =&gt; response,
<a href=#74 id=74 data-nosnippet>74</a> <span class="prelude-val">Err</span>(e) =&gt; {
<a href=#75 id=75 data-nosnippet>75</a> <span class="macro">error!</span>(<span class="string">"Error processing command: {}"</span>, e);
<a href=#76 id=76 data-nosnippet>76</a> <span class="macro">format!</span>(<span class="string">"Error: {:?}"</span>, e)
<a href=#77 id=77 data-nosnippet>77</a> }
<a href=#78 id=78 data-nosnippet>78</a> };
<a href=#79 id=79 data-nosnippet>79</a>
<a href=#80 id=80 data-nosnippet>80</a> <span class="kw">let </span>http_response = <span class="macro">format!</span>(
<a href=#81 id=81 data-nosnippet>81</a> <span class="string">"HTTP/1.1 200 OK\r\nContent-Length: {}\r\n\r\n{}"</span>,
<a href=#82 id=82 data-nosnippet>82</a> response.len(),
<a href=#83 id=83 data-nosnippet>83</a> response
<a href=#84 id=84 data-nosnippet>84</a> );
<a href=#85 id=85 data-nosnippet>85</a> stream.write_all(http_response.as_bytes()).<span class="kw">await</span><span class="question-mark">?</span>;
<a href=#86 id=86 data-nosnippet>86</a>
<a href=#87 id=87 data-nosnippet>87</a> <span class="prelude-val">Ok</span>(())
<a href=#88 id=88 data-nosnippet>88</a>}
<a href=#89 id=89 data-nosnippet>89</a>
<a href=#90 id=90 data-nosnippet>90</a><span class="kw">async fn </span>process_command(command: <span class="kw-2">&amp;</span>str) -&gt; <span class="prelude-ty">Result</span>&lt;String, String&gt; {
<a href=#91 id=91 data-nosnippet>91</a> <span class="kw">match </span>command {
<a href=#92 id=92 data-nosnippet>92</a> <span class="string">"pause" </span>=&gt; {
<a href=#93 id=93 data-nosnippet>93</a> <span class="macro">info!</span>(<span class="string">"Pausing playback"</span>);
<a href=#94 id=94 data-nosnippet>94</a> set_property(<span class="string">"pause"</span>, <span class="kw-2">&amp;</span><span class="macro">json!</span>(<span class="bool-val">true</span>), <span class="prelude-val">None</span>)
<a href=#95 id=95 data-nosnippet>95</a> .<span class="kw">await
<a href=#96 id=96 data-nosnippet>96</a> </span>.map_err(|e| <span class="macro">format!</span>(<span class="string">"Failed to pause: {:?}"</span>, e))<span class="question-mark">?</span>;
<a href=#97 id=97 data-nosnippet>97</a> <span class="prelude-val">Ok</span>(<span class="string">"Paused playback\n"</span>.to_string())
<a href=#98 id=98 data-nosnippet>98</a> }
<a href=#99 id=99 data-nosnippet>99</a>
<a href=#100 id=100 data-nosnippet>100</a> <span class="string">"play" </span>=&gt; {
<a href=#101 id=101 data-nosnippet>101</a> <span class="macro">info!</span>(<span class="string">"Unpausing playback"</span>);
<a href=#102 id=102 data-nosnippet>102</a> set_property(<span class="string">"pause"</span>, <span class="kw-2">&amp;</span><span class="macro">json!</span>(<span class="bool-val">false</span>), <span class="prelude-val">None</span>)
<a href=#103 id=103 data-nosnippet>103</a> .<span class="kw">await
<a href=#104 id=104 data-nosnippet>104</a> </span>.map_err(|e| <span class="macro">format!</span>(<span class="string">"Failed to play: {:?}"</span>, e))<span class="question-mark">?</span>;
<a href=#105 id=105 data-nosnippet>105</a> <span class="prelude-val">Ok</span>(<span class="string">"Resumed playback\n"</span>.to_string())
<a href=#106 id=106 data-nosnippet>106</a> }
<a href=#107 id=107 data-nosnippet>107</a>
<a href=#108 id=108 data-nosnippet>108</a> <span class="string">"stop" </span>=&gt; {
<a href=#109 id=109 data-nosnippet>109</a> <span class="macro">info!</span>(<span class="string">"Stopping playback and quitting MPV"</span>);
<a href=#110 id=110 data-nosnippet>110</a> quit(<span class="prelude-val">None</span>)
<a href=#111 id=111 data-nosnippet>111</a> .<span class="kw">await
<a href=#112 id=112 data-nosnippet>112</a> </span>.map_err(|e| <span class="macro">format!</span>(<span class="string">"Failed to stop: {:?}"</span>, e))<span class="question-mark">?</span>;
<a href=#113 id=113 data-nosnippet>113</a> <span class="prelude-val">Ok</span>(<span class="string">"Stopped playback\n"</span>.to_string())
<a href=#114 id=114 data-nosnippet>114</a> }
<a href=#115 id=115 data-nosnippet>115</a>
<a href=#116 id=116 data-nosnippet>116</a> <span class="string">"next" </span>=&gt; {
<a href=#117 id=117 data-nosnippet>117</a> <span class="macro">info!</span>(<span class="string">"Skipping to next item in the playlist"</span>);
<a href=#118 id=118 data-nosnippet>118</a> playlist_next(<span class="prelude-val">None</span>)
<a href=#119 id=119 data-nosnippet>119</a> .<span class="kw">await
<a href=#120 id=120 data-nosnippet>120</a> </span>.map_err(|e| <span class="macro">format!</span>(<span class="string">"Failed to skip to next: {:?}"</span>, e))<span class="question-mark">?</span>;
<a href=#121 id=121 data-nosnippet>121</a> <span class="prelude-val">Ok</span>(<span class="string">"Skipped to next item\n"</span>.to_string())
<a href=#122 id=122 data-nosnippet>122</a> }
<a href=#123 id=123 data-nosnippet>123</a>
<a href=#124 id=124 data-nosnippet>124</a> <span class="string">"prev" </span>=&gt; {
<a href=#125 id=125 data-nosnippet>125</a> <span class="macro">info!</span>(<span class="string">"Skipping to previous item in the playlist"</span>);
<a href=#126 id=126 data-nosnippet>126</a> playlist_prev(<span class="prelude-val">None</span>)
<a href=#127 id=127 data-nosnippet>127</a> .<span class="kw">await
<a href=#128 id=128 data-nosnippet>128</a> </span>.map_err(|e| <span class="macro">format!</span>(<span class="string">"Failed to skip to previous: {:?}"</span>, e))<span class="question-mark">?</span>;
<a href=#129 id=129 data-nosnippet>129</a> <span class="prelude-val">Ok</span>(<span class="string">"Skipped to previous item\n"</span>.to_string())
<a href=#130 id=130 data-nosnippet>130</a> }
<a href=#131 id=131 data-nosnippet>131</a>
<a href=#132 id=132 data-nosnippet>132</a> <span class="string">"seek" </span>=&gt; {
<a href=#133 id=133 data-nosnippet>133</a> <span class="kw">let </span>parts: Vec&lt;<span class="kw-2">&amp;</span>str&gt; = command.split_whitespace().collect();
<a href=#134 id=134 data-nosnippet>134</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(seconds) = parts.get(<span class="number">1</span>) {
<a href=#135 id=135 data-nosnippet>135</a> <span class="kw">if let </span><span class="prelude-val">Ok</span>(sec) = seconds.parse::&lt;i32&gt;() {
<a href=#136 id=136 data-nosnippet>136</a> <span class="macro">info!</span>(<span class="string">"Seeking to {} seconds"</span>, sec);
<a href=#137 id=137 data-nosnippet>137</a> seek(sec.into(), <span class="prelude-val">None</span>)
<a href=#138 id=138 data-nosnippet>138</a> .<span class="kw">await
<a href=#139 id=139 data-nosnippet>139</a> </span>.map_err(|e| <span class="macro">format!</span>(<span class="string">"Failed to seek: {:?}"</span>, e))<span class="question-mark">?</span>;
<a href=#140 id=140 data-nosnippet>140</a> <span class="kw">return </span><span class="prelude-val">Ok</span>(<span class="macro">format!</span>(<span class="string">"Seeking to {} seconds\n"</span>, sec));
<a href=#141 id=141 data-nosnippet>141</a> }
<a href=#142 id=142 data-nosnippet>142</a> }
<a href=#143 id=143 data-nosnippet>143</a> <span class="prelude-val">Err</span>(<span class="string">"Invalid seek command"</span>.to_string())
<a href=#144 id=144 data-nosnippet>144</a> }
<a href=#145 id=145 data-nosnippet>145</a>
<a href=#146 id=146 data-nosnippet>146</a> <span class="string">"clear" </span>=&gt; {
<a href=#147 id=147 data-nosnippet>147</a> <span class="macro">info!</span>(<span class="string">"Clearing the playlist"</span>);
<a href=#148 id=148 data-nosnippet>148</a> playlist_clear(<span class="prelude-val">None</span>)
<a href=#149 id=149 data-nosnippet>149</a> .<span class="kw">await
<a href=#150 id=150 data-nosnippet>150</a> </span>.map_err(|e| <span class="macro">format!</span>(<span class="string">"Failed to clear playlist: {:?}"</span>, e))<span class="question-mark">?</span>;
<a href=#151 id=151 data-nosnippet>151</a> <span class="prelude-val">Ok</span>(<span class="string">"Cleared playlist\n"</span>.to_string())
<a href=#152 id=152 data-nosnippet>152</a> }
<a href=#153 id=153 data-nosnippet>153</a>
<a href=#154 id=154 data-nosnippet>154</a> <span class="string">"list" </span>=&gt; {
<a href=#155 id=155 data-nosnippet>155</a> <span class="macro">info!</span>(<span class="string">"Listing playlist items"</span>);
<a href=#156 id=156 data-nosnippet>156</a> <span class="kw">match </span>get_property(<span class="string">"playlist"</span>, <span class="prelude-val">None</span>).<span class="kw">await </span>{
<a href=#157 id=157 data-nosnippet>157</a> <span class="prelude-val">Ok</span>(<span class="prelude-val">Some</span>(data)) =&gt; <span class="prelude-val">Ok</span>(<span class="macro">format!</span>(
<a href=#158 id=158 data-nosnippet>158</a> <span class="string">"Playlist: {}"</span>,
<a href=#159 id=159 data-nosnippet>159</a> serde_json::to_string_pretty(<span class="kw-2">&amp;</span>data).unwrap()
<a href=#160 id=160 data-nosnippet>160</a> )),
<a href=#161 id=161 data-nosnippet>161</a> <span class="prelude-val">Ok</span>(<span class="prelude-val">None</span>) =&gt; <span class="prelude-val">Err</span>(<span class="string">"No playlist data available"</span>.to_string()),
<a href=#162 id=162 data-nosnippet>162</a> <span class="prelude-val">Err</span>(e) =&gt; <span class="prelude-val">Err</span>(<span class="macro">format!</span>(<span class="string">"Failed to fetch playlist: {:?}"</span>, e)),
<a href=#163 id=163 data-nosnippet>163</a> }
<a href=#164 id=164 data-nosnippet>164</a> }
<a href=#165 id=165 data-nosnippet>165</a> <span class="kw">_ </span>=&gt; <span class="prelude-val">Err</span>(<span class="string">"Unknown command"</span>.to_string()),
<a href=#166 id=166 data-nosnippet>166</a> }
<a href=#167 id=167 data-nosnippet>167</a>}
<a href=#168 id=168 data-nosnippet>168</a>
<a href=#169 id=169 data-nosnippet>169</a><span class="kw">fn </span>create_tls_acceptor() -&gt; <span class="prelude-ty">Result</span>&lt;TlsAcceptor, Box&lt;<span class="kw">dyn </span>std::error::Error + Send + Sync&gt;&gt; {
<a href=#170 id=170 data-nosnippet>170</a> <span class="kw">let </span>pfx_path = env::var(<span class="string">"TLS_PFX_PATH"</span>)
<a href=#171 id=171 data-nosnippet>171</a> .map_err(|<span class="kw">_</span>| std::io::Error::new(std::io::ErrorKind::NotFound, <span class="string">"TLS_PFX_PATH not set"</span>))<span class="question-mark">?</span>;
<a href=#172 id=172 data-nosnippet>172</a> <span class="kw">let </span>password = env::var(<span class="string">"TLS_PASSWORD"</span>)
<a href=#173 id=173 data-nosnippet>173</a> .map_err(|<span class="kw">_</span>| std::io::Error::new(std::io::ErrorKind::NotFound, <span class="string">"TLS_PASSWORD not set"</span>))<span class="question-mark">?</span>;
<a href=#174 id=174 data-nosnippet>174</a>
<a href=#175 id=175 data-nosnippet>175</a> <span class="kw">let </span><span class="kw-2">mut </span>file = std::fs::File::open(<span class="kw-2">&amp;</span>pfx_path)<span class="question-mark">?</span>;
<a href=#176 id=176 data-nosnippet>176</a> <span class="kw">let </span><span class="kw-2">mut </span>identity = <span class="macro">vec!</span>[];
<a href=#177 id=177 data-nosnippet>177</a> file.read_to_end(<span class="kw-2">&amp;mut </span>identity)<span class="question-mark">?</span>;
<a href=#178 id=178 data-nosnippet>178</a>
<a href=#179 id=179 data-nosnippet>179</a> <span class="kw">let </span>identity = Identity::from_pkcs12(<span class="kw-2">&amp;</span>identity, <span class="kw-2">&amp;</span>password)<span class="question-mark">?</span>;
<a href=#180 id=180 data-nosnippet>180</a> <span class="kw">let </span>native_acceptor = NativeTlsAcceptor::new(identity)<span class="question-mark">?</span>;
<a href=#181 id=181 data-nosnippet>181</a> <span class="prelude-val">Ok</span>(TlsAcceptor::from(native_acceptor))
<a href=#182 id=182 data-nosnippet>182</a>}
<a href=#183 id=183 data-nosnippet>183</a>
<a href=#184 id=184 data-nosnippet>184</a><span class="attr">#[tokio::main]
<a href=#185 id=185 data-nosnippet>185</a></span><span class="kw">async fn </span>main() -&gt; <span class="prelude-ty">Result</span>&lt;(), Box&lt;<span class="kw">dyn </span>std::error::Error + Send + Sync&gt;&gt; {
<a href=#186 id=186 data-nosnippet>186</a> tracing_subscriber::fmt::init();
<a href=#187 id=187 data-nosnippet>187</a> <span class="kw">let </span>config = Config::parse();
<a href=#188 id=188 data-nosnippet>188</a>
<a href=#189 id=189 data-nosnippet>189</a> <span class="kw">if </span>!std::path::Path::new(<span class="kw-2">&amp;</span>config.socket).exists() {
<a href=#190 id=190 data-nosnippet>190</a> <span class="macro">error!</span>(
<a href=#191 id=191 data-nosnippet>191</a> <span class="string">"Error: MPV socket not found at '{}'. Is MPV running?"</span>,
<a href=#192 id=192 data-nosnippet>192</a> config.socket
<a href=#193 id=193 data-nosnippet>193</a> );
<a href=#194 id=194 data-nosnippet>194</a> }
<a href=#195 id=195 data-nosnippet>195</a>
<a href=#196 id=196 data-nosnippet>196</a> <span class="macro">info!</span>(<span class="string">"Server is starting..."</span>);
<a href=#197 id=197 data-nosnippet>197</a> <span class="kw">match </span>create_tls_acceptor() {
<a href=#198 id=198 data-nosnippet>198</a> <span class="prelude-val">Ok</span>(acceptor) =&gt; {
<a href=#199 id=199 data-nosnippet>199</a> <span class="kw">let </span>acceptor = Arc::new(acceptor);
<a href=#200 id=200 data-nosnippet>200</a> <span class="kw">let </span>listener = tokio::net::TcpListener::bind(<span class="kw-2">&amp;</span>config.bind).<span class="kw">await</span><span class="question-mark">?</span>;
<a href=#201 id=201 data-nosnippet>201</a> <span class="macro">info!</span>(<span class="string">"Server is listening on {}"</span>, config.bind);
<a href=#202 id=202 data-nosnippet>202</a>
<a href=#203 id=203 data-nosnippet>203</a> <span class="kw">loop </span>{
<a href=#204 id=204 data-nosnippet>204</a> <span class="kw">let </span>(stream, <span class="kw">_</span>) = listener.accept().<span class="kw">await</span><span class="question-mark">?</span>;
<a href=#205 id=205 data-nosnippet>205</a> <span class="macro">info!</span>(<span class="string">"New connection accepted."</span>);
<a href=#206 id=206 data-nosnippet>206</a>
<a href=#207 id=207 data-nosnippet>207</a> <span class="kw">let </span>acceptor = Arc::clone(<span class="kw-2">&amp;</span>acceptor);
<a href=#208 id=208 data-nosnippet>208</a> tokio::spawn(handle_connection(stream, acceptor));
<a href=#209 id=209 data-nosnippet>209</a> }
<a href=#210 id=210 data-nosnippet>210</a> }
<a href=#211 id=211 data-nosnippet>211</a>
<a href=#212 id=212 data-nosnippet>212</a> <span class="prelude-val">Err</span>(e) =&gt; {
<a href=#213 id=213 data-nosnippet>213</a> <span class="macro">error!</span>(<span class="string">"Failed to initialize TLS: {}"</span>, e);
<a href=#214 id=214 data-nosnippet>214</a> <span class="kw">return </span><span class="prelude-val">Err</span>(e);
<a href=#215 id=215 data-nosnippet>215</a> }
<a href=#216 id=216 data-nosnippet>216</a> }
<a href=#217 id=217 data-nosnippet>217</a>}</code></pre></div></section></main></body></html>