// newAnnounce parses an HTTP request and generates a models.Announce.
func (s *Server) newAnnounce(r *http.Request, p httprouter.Params) (*models.Announce, error) {
q, err := query.New(r.URL.RawQuery)
if err != nil {
return nil, err
}
event, _ := q.Params["event"]
numWant := requestedPeerCount(q, s.config.NumWantFallback)
infohash, exists := q.Params["info_hash"]
if !exists {
return nil, models.ErrMalformedRequest
}
peerID, exists := q.Params["peer_id"]
if !exists {
return nil, models.ErrMalformedRequest
}
port, err := q.Uint64("port")
if err != nil {
return nil, models.ErrMalformedRequest
}
left, err := q.Uint64("left")
if err != nil {
return nil, models.ErrMalformedRequest
}
dest, err := requestDest(q, r)
if err != nil {
return nil, models.ErrMalformedRequest
}
ep := models.Endpoint{dest.DestHash(), uint16(port)}
downloaded, err := q.Uint64("downloaded")
if err != nil {
return nil, models.ErrMalformedRequest
}
uploaded, err := q.Uint64("uploaded")
if err != nil {
return nil, models.ErrMalformedRequest
}
return &models.Announce{
Config: s.config,
Compact: true,
Downloaded: downloaded,
Event: event,
Dest: ep,
Infohash: infohash,
Left: left,
NumWant: numWant,
Passkey: p.ByName("passkey"),
PeerID: peerID,
Uploaded: uploaded,
}, nil
}
// newScrape parses an HTTP request and generates a models.Scrape.
func (s *Server) newScrape(r *http.Request, p httprouter.Params) (*models.Scrape, error) {
q, err := query.New(r.URL.RawQuery)
if err != nil {
return nil, err
}
if q.Infohashes == nil {
if _, exists := q.Params["info_hash"]; !exists {
// There aren't any infohashes.
return nil, models.ErrMalformedRequest
}
q.Infohashes = []string{q.Params["info_hash"]}
}
return &models.Scrape{
Config: s.config,
Passkey: p.ByName("passkey"),
Infohashes: q.Infohashes,
}, nil
}