77 lines
1.8 KiB
Go
77 lines
1.8 KiB
Go
// Copyright 2014 The Chihaya Authors. All rights reserved.
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// Use of this source code is governed by the BSD 2-Clause license,
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// which can be found in the LICENSE file.
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package http
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import (
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"fmt"
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"io"
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"net/http"
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"github.com/julienschmidt/httprouter"
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"github.com/chihaya/bencode"
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"github.com/chihaya/chihaya/drivers/tracker"
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"github.com/chihaya/chihaya/models"
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)
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func (t *Tracker) ServeScrape(w http.ResponseWriter, r *http.Request, p httprouter.Params) int {
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scrape, err := models.NewScrape(t.cfg, r, p)
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if err == models.ErrMalformedRequest {
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fail(w, r, err)
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return http.StatusOK
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} else if err != nil {
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return http.StatusInternalServerError
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}
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conn, err := t.tp.Get()
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if err != nil {
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return http.StatusInternalServerError
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}
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if t.cfg.Private {
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_, err = conn.FindUser(scrape.Passkey)
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if err == tracker.ErrUserDNE {
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fail(w, r, err)
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return http.StatusOK
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} else if err != nil {
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return http.StatusInternalServerError
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}
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}
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var torrents []*models.Torrent
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for _, infohash := range scrape.Infohashes {
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torrent, err := conn.FindTorrent(infohash)
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if err == tracker.ErrTorrentDNE {
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fail(w, r, err)
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return http.StatusOK
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} else if err != nil {
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return http.StatusInternalServerError
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}
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torrents = append(torrents, torrent)
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}
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bencoder := bencode.NewEncoder(w)
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fmt.Fprintf(w, "d")
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bencoder.Encode("files")
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for _, torrent := range torrents {
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writeTorrentStatus(w, torrent)
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}
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fmt.Fprintf(w, "e")
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return http.StatusOK
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}
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func writeTorrentStatus(w io.Writer, t *models.Torrent) {
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bencoder := bencode.NewEncoder(w)
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bencoder.Encode(t.Infohash)
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fmt.Fprintf(w, "d")
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bencoder.Encode("complete")
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bencoder.Encode(len(t.Seeders))
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bencoder.Encode("downloaded")
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bencoder.Encode(t.Snatches)
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bencoder.Encode("incomplete")
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bencoder.Encode(len(t.Leechers))
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fmt.Fprintf(w, "e")
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}
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