mirror of
https://github.com/filebrowser/filebrowser.git
synced 2024-06-07 23:00:43 +00:00
123 lines
3.2 KiB
Go
123 lines
3.2 KiB
Go
//go:generate go get github.com/jteeuwen/go-bindata
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//go:generate go install github.com/jteeuwen/go-bindata/go-bindata
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//go:generate go-bindata -debug -pkg filemanager -prefix "assets" -o binary.go assets/...
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// TODO: remove debug from the comment
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// Package filemanager provides middleware for managing files in a directory
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// when directory path is requested instead of a specific file. Based on browse
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// middleware.
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package filemanager
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import (
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"mime"
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"net/http"
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"os"
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"path/filepath"
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"strings"
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"github.com/mholt/caddy/caddyhttp/httpserver"
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)
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const assetsURL = "/_filemanagerinternal"
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// FileManager is an http.Handler that can show a file listing when
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// directories in the given paths are specified.
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type FileManager struct {
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Next httpserver.Handler
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Configs []Config
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}
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// ServeHTTP determines if the request is for this plugin, and if all prerequisites are met.
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func (f FileManager) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error) {
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var (
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c *Config
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fi *FileInfo
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code int
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err error
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assets bool
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)
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for i := range f.Configs {
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if httpserver.Path(r.URL.Path).Matches(f.Configs[i].BaseURL) {
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c = &f.Configs[i]
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assets = httpserver.Path(r.URL.Path).Matches(c.BaseURL + assetsURL)
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if r.Method != http.MethodPost && !assets {
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fi, code, err = GetFileInfo(r.URL, c)
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if err != nil {
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return code, err
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}
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if fi.IsDir && !strings.HasSuffix(r.URL.Path, "/") {
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http.Redirect(w, r, r.URL.Path+"/", http.StatusTemporaryRedirect)
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return 0, nil
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}
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}
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// Route the request depending on the HTTP Method
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switch r.Method {
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case http.MethodGet:
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// Read and show directory or file
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if assets {
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return ServeAssets(w, r, c)
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}
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/* if file.Info.IsDir() {
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return f.ServeListing(w, r, file.File, c)
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}
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return f.ServeSingleFile(w, r, file, c) */
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case http.MethodPost:
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// Create new file or directory
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return http.StatusOK, nil
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case http.MethodDelete:
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// Delete a file or a directory
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return fi.Delete()
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case http.MethodPut:
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// Update/Modify a directory or file
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return http.StatusOK, nil
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case http.MethodPatch:
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// Rename a file or directory
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return fi.Rename(w, r)
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default:
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return http.StatusNotImplemented, nil
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}
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}
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}
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return f.Next.ServeHTTP(w, r)
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}
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// ErrorToHTTPCode gets the respective HTTP code for an error
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func ErrorToHTTPCode(err error) int {
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switch {
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case os.IsPermission(err):
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return http.StatusForbidden
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case os.IsExist(err):
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return http.StatusGone
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default:
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return http.StatusInternalServerError
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}
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}
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// ServeAssets provides the needed assets for the front-end
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func ServeAssets(w http.ResponseWriter, r *http.Request, c *Config) (int, error) {
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// gets the filename to be used with Assets function
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filename := strings.Replace(r.URL.Path, c.BaseURL+assetsURL, "public", 1)
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file, err := Asset(filename)
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if err != nil {
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return http.StatusNotFound, nil
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}
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// Get the file extension and its mimetype
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extension := filepath.Ext(filename)
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mediatype := mime.TypeByExtension(extension)
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// Write the header with the Content-Type and write the file
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// content to the buffer
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w.Header().Set("Content-Type", mediatype)
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w.Write(file)
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return 200, nil
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}
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