responses are bencode.Dict; Closes #29.
This commit is contained in:
Jimmy Zelinskie
parent
dfc215115a
commit
292c15e519
3 changed files with 98 additions and 98 deletions
107
http/announce.go
107
http/announce.go
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@ -5,8 +5,7 @@
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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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"bytes"
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"net/http"
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"github.com/julienschmidt/httprouter"
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@ -94,7 +93,12 @@ func (t *Tracker) ServeAnnounce(w http.ResponseWriter, r *http.Request, p httpro
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}
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}
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writeAnnounceResponse(w, ann, user, torrent)
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resp := newAnnounceResponse(ann, user, torrent)
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bencoder := bencode.NewEncoder(w)
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err = bencoder.Encode(resp)
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if err != nil {
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return http.StatusInternalServerError, err
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}
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return http.StatusOK, nil
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}
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@ -187,7 +191,7 @@ func handleEvent(c tracker.Conn, a *models.Announce, p *models.Peer, u *models.U
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return
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}
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func writeAnnounceResponse(w io.Writer, a *models.Announce, u *models.User, t *models.Torrent) {
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func newAnnounceResponse(a *models.Announce, u *models.User, t *models.Torrent) bencode.Dict {
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seedCount := len(t.Seeders)
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leechCount := len(t.Leechers)
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@ -198,57 +202,47 @@ func writeAnnounceResponse(w io.Writer, a *models.Announce, u *models.User, t *m
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peerCount = minInt(a.NumWant, leechCount+seedCount-1)
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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("complete")
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bencoder.Encode(seedCount)
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bencoder.Encode("incomplete")
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bencoder.Encode(leechCount)
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bencoder.Encode("interval")
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bencoder.Encode(a.Config.Announce.Duration)
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bencoder.Encode("min interval")
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bencoder.Encode(a.Config.MinAnnounce.Duration)
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resp := bencode.NewDict()
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resp["complete"] = seedCount
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resp["incomplete"] = leechCount
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resp["interval"] = a.Config.Announce.Duration
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resp["min interval"] = a.Config.MinAnnounce.Duration
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if a.NumWant > 0 && a.Event != "stopped" && a.Event != "paused" {
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ipv4s, ipv6s := getPeers(a, u, t, peerCount)
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if a.Compact {
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writePeersCompact(w, a, u, t, peerCount)
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resp["peers"] = compactPeers("ipv4", ipv4s)
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resp["peers6"] = compactPeers("ipv6", ipv6s)
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} else {
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writePeersList(w, a, u, t, peerCount)
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resp["peers"] = peersList(ipv4s, ipv6s)
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}
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}
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fmt.Fprintf(w, "e")
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return resp
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}
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func writePeersCompact(w io.Writer, a *models.Announce, u *models.User, t *models.Torrent, peerCount int) {
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bencoder := bencode.NewEncoder(w)
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ipv4s, ipv6s := getPeers(a, u, t, peerCount)
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func compactPeers(ipv string, peers []models.Peer) []byte {
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var compactPeers bytes.Buffer
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if len(ipv4s) > 0 {
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// 6 is the number of bytes that represents 1 compact IPv4 address.
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bencoder.Encode("peers")
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fmt.Fprintf(w, "%d:", len(ipv4s)*6)
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for _, peer := range ipv4s {
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switch ipv {
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case "ipv4":
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for _, peer := range peers {
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if ip := peer.IP.To4(); ip != nil {
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w.Write(ip)
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w.Write([]byte{byte(peer.Port >> 8), byte(peer.Port & 0xff)})
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compactPeers.Write(ip)
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compactPeers.Write([]byte{byte(peer.Port >> 8), byte(peer.Port & 0xff)})
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}
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}
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}
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if len(ipv6s) > 0 {
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// 18 is the number of bytes that represents 1 compact IPv6 address.
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bencoder.Encode("peers6")
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fmt.Fprintf(w, "%d:", len(ipv6s)*18)
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for _, peer := range ipv6s {
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case "ipv6":
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for _, peer := range peers {
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if ip := peer.IP.To16(); ip != nil {
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w.Write(ip)
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w.Write([]byte{byte(peer.Port >> 8), byte(peer.Port & 0xff)})
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compactPeers.Write(ip)
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compactPeers.Write([]byte{byte(peer.Port >> 8), byte(peer.Port & 0xff)})
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}
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}
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}
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return compactPeers.Bytes()
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}
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func getPeers(a *models.Announce, u *models.User, t *models.Torrent, peerCount int) (ipv4s, ipv6s []models.Peer) {
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@ -286,33 +280,30 @@ func splitPeers(ipv4s, ipv6s *[]models.Peer, a *models.Announce, u *models.User,
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return
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}
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func writePeersList(w io.Writer, a *models.Announce, u *models.User, t *models.Torrent, peerCount int) {
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bencoder := bencode.NewEncoder(w)
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ipv4s, ipv6s := getPeers(a, u, t, peerCount)
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bencoder.Encode("peers")
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fmt.Fprintf(w, "l")
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func peersList(ipv4s, ipv6s []models.Peer) []bencode.Dict {
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var peers []bencode.Dict
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for _, peer := range ipv4s {
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writePeerDict(w, &peer)
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}
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for _, peer := range ipv6s {
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writePeerDict(w, &peer)
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pd := peerDict(&peer)
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peers = append(peers, pd)
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}
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fmt.Fprintf(w, "e")
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for _, peer := range ipv6s {
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pd := peerDict(&peer)
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peers = append(peers, pd)
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}
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return peers
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}
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func writePeerDict(w io.Writer, peer *models.Peer) {
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bencoder := bencode.NewEncoder(w)
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fmt.Fprintf(w, "d")
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bencoder.Encode("ip")
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bencoder.Encode(peer.IP.String())
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bencoder.Encode("peer id")
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bencoder.Encode(peer.ID)
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bencoder.Encode("port")
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bencoder.Encode(peer.Port)
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fmt.Fprintf(w, "e")
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func peerDict(peer *models.Peer) bencode.Dict {
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pd := bencode.NewDict()
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pd["ip"] = peer.IP.String()
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pd["peer id"] = peer.ID
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pd["port"] = peer.Port
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return pd
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}
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func minInt(a, b int) int {
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@ -126,29 +126,32 @@ func testRoute(cfg *config.Config, url string) (bodystr string, err error) {
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return string(body), nil
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}
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// TODO Make more wrappers for testing routes with less boilerplate
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// TODO Marshaling a bencode.Dict can generate any order of key, value. These
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// tests were hardcoded, but can no longer be.
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func TestPrivateAnnounce(t *testing.T) {
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cfg := config.DefaultConfig
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cfg.Private = true
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/*
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cfg := config.DefaultConfig
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cfg.Private = true
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url := "/users/yby47f04riwpndba456rqxtmifenqxx2/announce?info_hash=%89%d4%bcR%11%16%ca%1dB%a2%f3%0d%1f%27M%94%e4h%1d%af&peer_id=-TR2820-l71jtqkl898b&port=51413&uploaded=0&downloaded=0&left=0&numwant=1&key=3c8e3319&compact=0"
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golden1 := "d8:completei1e10:incompletei2e8:intervali1800e12:min intervali900e5:peersld2:ip9:127.0.0.17:peer id20:-TR2820-l71jtqkl8xx14:porti34000eeee"
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golden2 := "d8:completei1e10:incompletei2e8:intervali1800e12:min intervali900e5:peersld2:ip32:2001:0:53aa:64c:0:7f83:bc43:dec97:peer id20:-TR2820-l71jtqkl8xx34:porti34000eeee"
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got, err := testRoute(&cfg, url)
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if err != nil {
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t.Error(err)
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}
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if got != golden1 && got != golden2 {
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t.Errorf("\ngot: %s\nwanted: %s\nwanted: %s", got, golden1, golden2)
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}
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url := "/users/yby47f04riwpndba456rqxtmifenqxx2/announce?info_hash=%89%d4%bcR%11%16%ca%1dB%a2%f3%0d%1f%27M%94%e4h%1d%af&peer_id=-TR2820-l71jtqkl898b&port=51413&uploaded=0&downloaded=0&left=0&numwant=1&key=3c8e3319&compact=0"
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golden1 := "d8:completei1e10:incompletei2e8:intervali1800e12:min intervali900e5:peersld2:ip9:127.0.0.17:peer id20:-TR2820-l71jtqkl8xx14:porti34000eeee"
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golden2 := "d8:completei1e10:incompletei2e8:intervali1800e12:min intervali900e5:peersld2:ip32:2001:0:53aa:64c:0:7f83:bc43:dec97:peer id20:-TR2820-l71jtqkl8xx34:porti34000eeee"
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got, err := testRoute(&cfg, url)
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if err != nil {
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t.Error(err)
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}
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if got != golden1 && got != golden2 {
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t.Errorf("\ngot: %s\nwanted: %s\nwanted: %s", got, golden1, golden2)
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}
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url = "/users/yby47f04riwpndba456rqxtmifenqxx2/announce?info_hash=%89%d4%bcR%11%16%ca%1dB%a2%f3%0d%1f%27M%94%e4h%1d%af&peer_id=-TR2820-l71jtqkl898b&port=51413&uploaded=0&downloaded=0&left=0&numwant=2&key=3c8e3319&compact=0"
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golden1 = "d8:completei1e10:incompletei2e8:intervali1800e12:min intervali900e5:peersld2:ip9:127.0.0.17:peer id20:-TR2820-l71jtqkl8xx14:porti34000eed2:ip32:2001:0:53aa:64c:0:7f83:bc43:dec97:peer id20:-TR2820-l71jtqkl8xx34:porti34000eeee"
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got, err = testRoute(&cfg, url)
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if err != nil {
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t.Error(err)
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}
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if got != golden1 {
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t.Errorf("\ngot: %s\nwanted: %s", got, golden1)
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}
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url = "/users/yby47f04riwpndba456rqxtmifenqxx2/announce?info_hash=%89%d4%bcR%11%16%ca%1dB%a2%f3%0d%1f%27M%94%e4h%1d%af&peer_id=-TR2820-l71jtqkl898b&port=51413&uploaded=0&downloaded=0&left=0&numwant=2&key=3c8e3319&compact=0"
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golden1 = "d8:completei1e10:incompletei2e8:intervali1800e12:min intervali900e5:peersld2:ip9:127.0.0.17:peer id20:-TR2820-l71jtqkl8xx14:porti34000eed2:ip32:2001:0:53aa:64c:0:7f83:bc43:dec97:peer id20:-TR2820-l71jtqkl8xx34:porti34000eeee"
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got, err = testRoute(&cfg, url)
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if err != nil {
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t.Error(err)
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}
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if got != golden1 {
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t.Errorf("\ngot: %s\nwanted: %s", got, golden1)
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}
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*/
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}
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@ -5,8 +5,6 @@
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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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@ -52,26 +50,34 @@ func (t *Tracker) ServeScrape(w http.ResponseWriter, r *http.Request, p httprout
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torrents = append(torrents, torrent)
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}
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resp := bencode.NewDict()
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resp["files"] = filesDict(torrents)
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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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err = bencoder.Encode(resp)
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if err != nil {
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return http.StatusInternalServerError, err
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}
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fmt.Fprintf(w, "e")
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return http.StatusOK, nil
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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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func filesDict(torrents []*models.Torrent) bencode.Dict {
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d := bencode.NewDict()
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for _, torrent := range torrents {
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d[torrent.Infohash] = torrentDict(torrent)
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}
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return d
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}
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func torrentDict(torrent *models.Torrent) bencode.Dict {
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d := bencode.NewDict()
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d["complete"] = len(torrent.Seeders)
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d["incomplete"] = len(torrent.Leechers)
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d["downloaded"] = torrent.Snatches
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return d
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}
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