138 lines
3.7 KiB
Go
138 lines
3.7 KiB
Go
package dav
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import (
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"encoding/xml"
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"fmt"
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"net/http"
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"path"
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"path/filepath"
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"strings"
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"github.com/debridmediamanager.com/zurg/internal/config"
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"github.com/debridmediamanager.com/zurg/internal/torrent"
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"github.com/debridmediamanager.com/zurg/pkg/dav"
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"github.com/debridmediamanager.com/zurg/pkg/logutil"
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)
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func HandlePropfindRequest(w http.ResponseWriter, r *http.Request, t *torrent.TorrentManager, c config.ConfigInterface) {
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log := logutil.NewLogger().Named("dav")
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requestPath := path.Clean(r.URL.Path)
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requestPath = strings.Trim(requestPath, "/")
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var output []byte
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var err error
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filteredSegments := strings.Split(requestPath, "/")
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switch {
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case len(filteredSegments) == 1 && filteredSegments[0] == "":
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output, err = handleRoot(w, r, c)
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case len(filteredSegments) == 1:
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output, err = handleListOfTorrents(requestPath, w, r, t, c)
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case len(filteredSegments) == 2:
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output, err = handleSingleTorrent(requestPath, w, r, t)
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default:
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log.Errorf("Request %s %s not found", r.Method, requestPath)
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http.Error(w, "Not Found", http.StatusNotFound)
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return
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}
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if err != nil {
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log.Errorf("Error processing request: %v", err)
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http.Error(w, "Server error", http.StatusInternalServerError)
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return
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}
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if output != nil {
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respBody := fmt.Sprintf("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n%s\n", output)
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w.Header().Set("Content-Type", "text/xml; charset=\"utf-8\"")
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w.WriteHeader(http.StatusMultiStatus)
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fmt.Fprint(w, respBody)
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}
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}
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func handleRoot(w http.ResponseWriter, r *http.Request, c config.ConfigInterface) ([]byte, error) {
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var responses []dav.Response
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responses = append(responses, dav.Directory("/"))
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for _, directory := range c.GetDirectories() {
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responses = append(responses, dav.Directory("/"+directory))
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}
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rootResponse := dav.MultiStatus{
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XMLNS: "DAV:",
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Response: responses,
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}
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return xml.Marshal(rootResponse)
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}
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func handleListOfTorrents(requestPath string, w http.ResponseWriter, r *http.Request, t *torrent.TorrentManager, c config.ConfigInterface) ([]byte, error) {
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basePath := path.Base(requestPath)
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for _, directory := range c.GetDirectories() {
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if basePath == directory {
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var responses []dav.Response
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responses = append(responses, dav.Directory(basePath))
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for el := t.TorrentMap.Front(); el != nil; el = el.Next() {
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accessKey := el.Key
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torrent := el.Value
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if torrent.InProgress {
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continue
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}
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for _, dir := range torrent.Directories {
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if dir == basePath {
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path := filepath.Join(basePath, accessKey)
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responses = append(responses, dav.Directory(path))
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break
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}
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}
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}
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resp := &dav.MultiStatus{
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XMLNS: "DAV:",
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Response: responses,
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}
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return xml.Marshal(resp)
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}
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}
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return nil, fmt.Errorf("cannot find directory when generating list: %s", requestPath)
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}
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func handleSingleTorrent(requestPath string, w http.ResponseWriter, r *http.Request, t *torrent.TorrentManager) ([]byte, error) {
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accessKey := path.Base(requestPath)
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torrent, exists := t.TorrentMap.Get(accessKey)
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if !exists {
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return nil, fmt.Errorf("cannot find torrent %s", requestPath)
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}
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var responses []dav.Response
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// initial response is the directory itself
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responses = append(responses, dav.Directory(requestPath))
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for el := torrent.SelectedFiles.Front(); el != nil; el = el.Next() {
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file := el.Value
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if file.Link == "" {
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// will be caught by torrent manager's repairAll
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// just skip it for now
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continue
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}
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filename := filepath.Base(file.Path)
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filePath := filepath.Join(requestPath, filename)
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responses = append(responses, dav.File(
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filePath,
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file.Bytes,
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convertRFC3339toRFC1123(torrent.LatestAdded),
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file.Link,
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))
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}
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resp := &dav.MultiStatus{
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XMLNS: "DAV:",
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Response: responses,
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}
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return xml.Marshal(resp)
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}
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