109 lines
2.6 KiB
Go
109 lines
2.6 KiB
Go
package main
|
|
|
|
import (
|
|
"net/http"
|
|
"os"
|
|
"path/filepath"
|
|
)
|
|
|
|
// ListFiles function: Traverse all files in the specified directory and return a slice of the file path
|
|
func ListFiles(dir string) ([]string, error) {
|
|
var files []string
|
|
err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if !info.IsDir() {
|
|
files = append(files, path)
|
|
}
|
|
return nil
|
|
})
|
|
return files, err
|
|
}
|
|
|
|
// Get Content function: Read the content of a specified file and return it
|
|
func GetFileContent(filePath string) ([]byte, error) {
|
|
file, err := os.Open(filePath)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer file.Close()
|
|
|
|
// Get File Size
|
|
fileInfo, err := file.Stat()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
fileSize := fileInfo.Size()
|
|
|
|
// Read File Content
|
|
fileContent := make([]byte, fileSize)
|
|
_, err = file.Read(fileContent)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return fileContent, nil
|
|
}
|
|
|
|
// fileHandler function: Handle file requests
|
|
func fileHandler(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set("Server", "MeowMusicEmbeddedServer")
|
|
// Obtain the path of the request
|
|
filePath := r.URL.Path
|
|
|
|
// Construct the complete file path
|
|
fullFilePath := filepath.Join("./files", filePath)
|
|
|
|
// Get file content
|
|
fileContent, err := GetFileContent(fullFilePath)
|
|
if err != nil {
|
|
NotFoundHandler(w, r)
|
|
return
|
|
}
|
|
|
|
// Set appropriate Content-Type based on file extension
|
|
ext := filepath.Ext(filePath)
|
|
switch ext {
|
|
case ".mp3":
|
|
w.Header().Set("Content-Type", "audio/mpeg")
|
|
case ".wav":
|
|
w.Header().Set("Content-Type", "audio/wav")
|
|
case ".flac":
|
|
w.Header().Set("Content-Type", "audio/flac")
|
|
case ".aac":
|
|
w.Header().Set("Content-Type", "audio/aac")
|
|
case ".ogg":
|
|
w.Header().Set("Content-Type", "audio/ogg")
|
|
case ".m4a":
|
|
w.Header().Set("Content-Type", "audio/mp4")
|
|
case ".amr":
|
|
w.Header().Set("Content-Type", "audio/amr")
|
|
case ".jpg", ".jpeg":
|
|
w.Header().Set("Content-Type", "image/jpeg")
|
|
case ".png":
|
|
w.Header().Set("Content-Type", "image/png")
|
|
case ".gif":
|
|
w.Header().Set("Content-Type", "image/gif")
|
|
case ".bmp":
|
|
w.Header().Set("Content-Type", "image/bmp")
|
|
case ".svg":
|
|
w.Header().Set("Content-Type", "image/svg+xml")
|
|
case ".webp":
|
|
w.Header().Set("Content-Type", "image/webp")
|
|
case ".txt":
|
|
w.Header().Set("Content-Type", "text/plain")
|
|
case ".lrc":
|
|
w.Header().Set("Content-Type", "text/plain")
|
|
case ".mrc":
|
|
w.Header().Set("Content-Type", "text/plain")
|
|
case ".json":
|
|
w.Header().Set("Content-Type", "application/json")
|
|
default:
|
|
w.Header().Set("Content-Type", "application/octet-stream")
|
|
}
|
|
|
|
// Write file content to response
|
|
w.Write(fileContent)
|
|
}
|