feat: make the CDN more verbose

main.go

@@ -0,0 +1,121 @@
+// main.go
+
+package main
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+    "io"
+	"path/filepath"
+)
+
+const (
+	uploadPath = "uploads/"   // Directory to store uploaded files
+	username   = "admin"      // Username for authentication
+	password   = "password"   // Password for authentication
+)
+
+func main() {
+	http.HandleFunc("/", serveCDN)
+	http.HandleFunc("/upload", handleUpload)
+
+	log.Println("Starting CDN server on port 8080...")
+	log.Fatal(http.ListenAndServe(":8080", nil))
+}
+
+func serveCDN(w http.ResponseWriter, r *http.Request) {
+	// Log the request information
+	log.Printf("Received request: %s %s", r.Method, r.URL.Path)
+
+	// Check if the request has valid authentication
+	if !checkAuthentication(r) {
+		log.Println("Authentication failed")
+		w.Header().Set("WWW-Authenticate", `Basic realm="CDN Authentication"`)
+		w.WriteHeader(http.StatusUnauthorized)
+		fmt.Fprintf(w, "401 Unauthorized\n")
+		return
+	}
+
+	// Get the requested file path
+	filePath := filepath.Join("src", r.URL.Path)
+
+	// Check if the file exists
+	_, err := os.Stat(filePath)
+	if err != nil {
+		if os.IsNotExist(err) {
+			log.Printf("File not found: %s", r.URL.Path)
+			http.NotFound(w, r)
+		} else {
+			log.Println("Internal Server Error")
+			http.Error(w, "Internal Server Error", http.StatusInternalServerError)
+		}
+		return
+	}
+
+	// Serve the file
+	log.Printf("Serving file: %s", r.URL.Path)
+	http.ServeFile(w, r, filePath)
+}
+
+func handleUpload(w http.ResponseWriter, r *http.Request) {
+	// Log the request information
+	log.Printf("Received upload request: %s %s", r.Method, r.URL.Path)
+
+	// Check if the request has valid authentication
+	if !checkAuthentication(r) {
+		log.Println("Authentication failed")
+		w.Header().Set("WWW-Authenticate", `Basic realm="CDN Authentication"`)
+		w.WriteHeader(http.StatusUnauthorized)
+		fmt.Fprintf(w, "401 Unauthorized\n")
+		return
+	}
+
+	// Parse the uploaded file
+	file, header, err := r.FormFile("file")
+	if err != nil {
+		log.Println("Bad Request")
+		http.Error(w, "Bad Request", http.StatusBadRequest)
+		return
+	}
+	defer file.Close()
+
+	// Create the uploads directory if it doesn't exist
+	err = os.MkdirAll(uploadPath, os.ModePerm)
+	if err != nil {
+		log.Println("Internal Server Error")
+		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
+		return
+	}
+
+	// Create a new file in the uploads directory
+	dst, err := os.Create(filepath.Join(uploadPath, header.Filename))
+	if err != nil {
+		log.Println("Internal Server Error")
+		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
+		return
+	}
+	defer dst.Close()
+
+	// Copy the uploaded file to the destination
+	_, err = io.Copy(dst, file)
+	if err != nil {
+		log.Println("Internal Server Error")
+		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
+		return
+	}
+
+	log.Printf("File uploaded successfully: %s", header.Filename)
+	fmt.Fprintf(w, "File uploaded successfully!")
+}
+
+func checkAuthentication(r *http.Request) bool {
+	username, password, ok := r.BasicAuth()
+	if ok && username == "admin" && password == "password" {
+		log.Println("Authentication successful")
+		return true
+	}
+	log.Println("Authentication failed")
+	return false
+}