// 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,
Infohashes: q.Infohashes,
}, nil
}
// 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
}
compact := q.Params["compact"] != "0"
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
}
ipv4, ipv6, err := requestedIP(q, r, &s.config.NetConfig)
if err != nil {
return nil, models.ErrMalformedRequest
}
ipv4Endpoint := models.Endpoint{ipv4, uint16(port)}
ipv6Endpoint := models.Endpoint{ipv6, 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: compact,
Downloaded: downloaded,
Event: event,
IPv4: ipv4Endpoint,
IPv6: ipv6Endpoint,
Infohash: infohash,
Left: left,
NumWant: numWant,
PeerID: peerID,
Uploaded: uploaded,
}, nil
}
// 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
}
compact := q.Params["compact"] != "0"
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")
ipv4, ipv6, err := requestedEndpoint(q, r, &s.config.NetConfig)
if err != nil {
return nil, models.ErrMalformedRequest
}
var ipv4Endpoint, ipv6Endpoint models.Endpoint
if ipv4 != nil {
ipv4Endpoint = *ipv4
// If the port we couldn't get the port before, fallback to the port param.
if ipv4Endpoint.Port == uint16(0) {
ipv4Endpoint.Port = uint16(port)
}
}
if ipv6 != nil {
ipv6Endpoint = *ipv6
// If the port we couldn't get the port before, fallback to the port param.
if ipv6Endpoint.Port == uint16(0) {
ipv6Endpoint.Port = uint16(port)
}
}
if err != nil {
return nil, models.ErrMalformedRequest
}
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: compact,
Downloaded: downloaded,
Event: event,
IPv4: ipv4Endpoint,
IPv6: ipv6Endpoint,
Infohash: infohash,
Left: left,
NumWant: numWant,
Passkey: p.ByName("passkey"),
PeerID: peerID,
Uploaded: uploaded,
}, nil
}