Files
zurg/internal/dav/listing.go
2023-11-07 01:17:59 +01:00

110 lines
3.3 KiB
Go

package dav
import (
"encoding/xml"
"fmt"
"net/http"
"path"
"strings"
"github.com/debridmediamanager.com/zurg/internal/config"
"github.com/debridmediamanager.com/zurg/internal/torrent"
"github.com/debridmediamanager.com/zurg/pkg/dav"
"github.com/debridmediamanager.com/zurg/pkg/logutil"
"github.com/hashicorp/golang-lru/v2/expirable"
)
func HandlePropfindRequest(w http.ResponseWriter, r *http.Request, t *torrent.TorrentManager, c config.ConfigInterface, cache *expirable.LRU[string, string]) {
rlog := logutil.NewLogger()
log := rlog.Named("dav")
requestPath := path.Clean(r.URL.Path)
requestPath = strings.Trim(requestPath, "/")
if data, exists := cache.Get(requestPath); exists {
w.Header().Set("Content-Type", "text/xml; charset=\"utf-8\"")
w.WriteHeader(http.StatusMultiStatus)
fmt.Fprint(w, data)
return
}
var output []byte
var err error
filteredSegments := strings.Split(requestPath, "/")
switch {
case len(filteredSegments) == 1 && filteredSegments[0] == "":
output, err = handleRoot(w, r, c)
case len(filteredSegments) == 1:
output, err = handleListOfTorrents(requestPath, w, r, t, c)
case len(filteredSegments) == 2:
output, err = handleSingleTorrent(requestPath, w, r, t)
default:
log.Errorf("Request %s %s not found", r.Method, requestPath)
http.Error(w, "Not Found", http.StatusNotFound)
return
}
if err != nil {
log.Errorf("Error processing request: %v", err)
http.Error(w, "Server error", http.StatusInternalServerError)
return
}
if output != nil {
respBody := fmt.Sprintf("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n%s\n", output)
cache.Add(requestPath, respBody)
w.Header().Set("Content-Type", "text/xml; charset=\"utf-8\"")
w.WriteHeader(http.StatusMultiStatus)
fmt.Fprint(w, respBody)
}
}
func handleRoot(w http.ResponseWriter, r *http.Request, c config.ConfigInterface) ([]byte, error) {
var responses []dav.Response
responses = append(responses, dav.Directory("/"))
for _, directory := range c.GetDirectories() {
responses = append(responses, dav.Directory("/"+directory))
}
rootResponse := dav.MultiStatus{
XMLNS: "DAV:",
Response: responses,
}
return xml.Marshal(rootResponse)
}
func handleListOfTorrents(requestPath string, w http.ResponseWriter, r *http.Request, t *torrent.TorrentManager, c config.ConfigInterface) ([]byte, error) {
basePath := path.Base(requestPath)
for _, directory := range c.GetDirectories() {
if basePath == directory {
torrents := t.GetByDirectory(basePath)
resp, err := createMultiTorrentResponse("/"+basePath, torrents)
if err != nil {
return nil, fmt.Errorf("cannot read directory (%s): %w", basePath, err)
}
return xml.Marshal(resp)
}
}
return nil, fmt.Errorf("cannot find directory when generating list: %s", requestPath)
}
func handleSingleTorrent(requestPath string, w http.ResponseWriter, r *http.Request, t *torrent.TorrentManager) ([]byte, error) {
directory := path.Dir(requestPath)
torrentName := path.Base(requestPath)
sameNameTorrents := t.FindAllTorrentsWithName(directory, torrentName)
if len(sameNameTorrents) == 0 {
return nil, fmt.Errorf("cannot find directory when generating single torrent: %s", requestPath)
}
resp, err := createSingleTorrentResponse("/"+directory, sameNameTorrents)
if err != nil {
return nil, fmt.Errorf("cannot read directory (%s): %w", requestPath, err)
}
return xml.Marshal(resp)
}