270 lines
7.6 KiB
Go
270 lines
7.6 KiB
Go
package server
|
|
|
|
import (
|
|
"bytes"
|
|
"crypto/rand"
|
|
"database/sql"
|
|
"io/ioutil"
|
|
"net/http"
|
|
"time"
|
|
|
|
"github.com/btcsuite/btcutil/base58"
|
|
"go.uber.org/zap"
|
|
|
|
"github.com/status-im/status-go/ipfs"
|
|
"github.com/status-im/status-go/protocol/common"
|
|
"github.com/status-im/status-go/protocol/identity/identicon"
|
|
"github.com/status-im/status-go/protocol/images"
|
|
"github.com/status-im/status-go/signal"
|
|
)
|
|
|
|
const (
|
|
basePath = "/messages"
|
|
identiconsPath = basePath + "/identicons"
|
|
imagesPath = basePath + "/images"
|
|
audioPath = basePath + "/audio"
|
|
ipfsPath = "/ipfs"
|
|
|
|
// Handler routes for pairing
|
|
pairingBase = "/pairing"
|
|
pairingSend = pairingBase + "/send"
|
|
pairingReceive = pairingBase + "/receive"
|
|
pairingChallenge = pairingBase + "/challenge"
|
|
|
|
// Session names
|
|
sessionChallenge = "challenge"
|
|
sessionBlocked = "blocked"
|
|
)
|
|
|
|
type HandlerPatternMap map[string]http.HandlerFunc
|
|
|
|
func handleIdenticon(logger *zap.Logger) http.HandlerFunc {
|
|
return func(w http.ResponseWriter, r *http.Request) {
|
|
pks, ok := r.URL.Query()["publicKey"]
|
|
if !ok || len(pks) == 0 {
|
|
logger.Error("no publicKey")
|
|
return
|
|
}
|
|
pk := pks[0]
|
|
image, err := identicon.Generate(pk)
|
|
if err != nil {
|
|
logger.Error("could not generate identicon")
|
|
}
|
|
|
|
w.Header().Set("Content-Type", "image/png")
|
|
w.Header().Set("Cache-Control", "max-age:290304000, public")
|
|
w.Header().Set("Expires", time.Now().AddDate(60, 0, 0).Format(http.TimeFormat))
|
|
|
|
_, err = w.Write(image)
|
|
if err != nil {
|
|
logger.Error("failed to write image", zap.Error(err))
|
|
}
|
|
}
|
|
}
|
|
|
|
func handleImage(db *sql.DB, logger *zap.Logger) http.HandlerFunc {
|
|
return func(w http.ResponseWriter, r *http.Request) {
|
|
messageIDs, ok := r.URL.Query()["messageId"]
|
|
if !ok || len(messageIDs) == 0 {
|
|
logger.Error("no messageID")
|
|
return
|
|
}
|
|
messageID := messageIDs[0]
|
|
var image []byte
|
|
err := db.QueryRow(`SELECT image_payload FROM user_messages WHERE id = ?`, messageID).Scan(&image)
|
|
if err != nil {
|
|
logger.Error("failed to find image", zap.Error(err))
|
|
return
|
|
}
|
|
if len(image) == 0 {
|
|
logger.Error("empty image")
|
|
return
|
|
}
|
|
mime, err := images.ImageMime(image)
|
|
if err != nil {
|
|
logger.Error("failed to get mime", zap.Error(err))
|
|
}
|
|
|
|
w.Header().Set("Content-Type", mime)
|
|
w.Header().Set("Cache-Control", "no-store")
|
|
|
|
_, err = w.Write(image)
|
|
if err != nil {
|
|
logger.Error("failed to write image", zap.Error(err))
|
|
}
|
|
}
|
|
}
|
|
|
|
func handleAudio(db *sql.DB, logger *zap.Logger) http.HandlerFunc {
|
|
return func(w http.ResponseWriter, r *http.Request) {
|
|
messageIDs, ok := r.URL.Query()["messageId"]
|
|
if !ok || len(messageIDs) == 0 {
|
|
logger.Error("no messageID")
|
|
return
|
|
}
|
|
messageID := messageIDs[0]
|
|
var audio []byte
|
|
err := db.QueryRow(`SELECT audio_payload FROM user_messages WHERE id = ?`, messageID).Scan(&audio)
|
|
if err != nil {
|
|
logger.Error("failed to find image", zap.Error(err))
|
|
return
|
|
}
|
|
if len(audio) == 0 {
|
|
logger.Error("empty audio")
|
|
return
|
|
}
|
|
|
|
w.Header().Set("Content-Type", "audio/aac")
|
|
w.Header().Set("Cache-Control", "no-store")
|
|
|
|
_, err = w.Write(audio)
|
|
if err != nil {
|
|
logger.Error("failed to write audio", zap.Error(err))
|
|
}
|
|
}
|
|
}
|
|
|
|
func handleIPFS(downloader *ipfs.Downloader, logger *zap.Logger) http.HandlerFunc {
|
|
return func(w http.ResponseWriter, r *http.Request) {
|
|
hashes, ok := r.URL.Query()["hash"]
|
|
if !ok || len(hashes) == 0 {
|
|
logger.Error("no hash")
|
|
return
|
|
}
|
|
|
|
_, download := r.URL.Query()["download"]
|
|
|
|
content, err := downloader.Get(hashes[0], download)
|
|
if err != nil {
|
|
logger.Error("could not download hash", zap.Error(err))
|
|
return
|
|
}
|
|
|
|
w.Header().Set("Cache-Control", "max-age:290304000, public")
|
|
w.Header().Set("Expires", time.Now().AddDate(60, 0, 0).Format(http.TimeFormat))
|
|
|
|
_, err = w.Write(content)
|
|
if err != nil {
|
|
logger.Error("failed to write ipfs resource", zap.Error(err))
|
|
}
|
|
}
|
|
}
|
|
|
|
func handlePairingReceive(ps *PairingServer) http.HandlerFunc {
|
|
signal.SendLocalPairingEvent(Event{Type: EventConnectionSuccess})
|
|
|
|
return func(w http.ResponseWriter, r *http.Request) {
|
|
payload, err := ioutil.ReadAll(r.Body)
|
|
if err != nil {
|
|
signal.SendLocalPairingEvent(Event{Type: EventTransferError, Error: err})
|
|
ps.logger.Error("ioutil.ReadAll(r.Body)", zap.Error(err))
|
|
}
|
|
signal.SendLocalPairingEvent(Event{Type: EventTransferSuccess})
|
|
|
|
err = ps.PayloadManager.Receive(payload)
|
|
if err != nil {
|
|
signal.SendLocalPairingEvent(Event{Type: EventProcessError, Error: err})
|
|
ps.logger.Error("ps.PayloadManager.Receive(payload)", zap.Error(err))
|
|
}
|
|
signal.SendLocalPairingEvent(Event{Type: EventProcessSuccess})
|
|
}
|
|
}
|
|
|
|
func handlePairingSend(ps *PairingServer) http.HandlerFunc {
|
|
signal.SendLocalPairingEvent(Event{Type: EventConnectionSuccess})
|
|
|
|
// TODO lock sending after one successful transfer, perhaps perform the lock on the PayloadManager level
|
|
return func(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set("Content-Type", "application/octet-stream")
|
|
_, err := w.Write(ps.PayloadManager.ToSend())
|
|
if err != nil {
|
|
signal.SendLocalPairingEvent(Event{Type: EventTransferError, Error: err})
|
|
ps.logger.Error("w.Write(ps.PayloadManager.ToSend())", zap.Error(err))
|
|
}
|
|
signal.SendLocalPairingEvent(Event{Type: EventTransferSuccess})
|
|
}
|
|
}
|
|
|
|
func challengeMiddleware(ps *PairingServer, next http.Handler) http.HandlerFunc {
|
|
return func(w http.ResponseWriter, r *http.Request) {
|
|
s, err := ps.cookieStore.Get(r, sessionChallenge)
|
|
if err != nil {
|
|
ps.logger.Error("ps.cookieStore.Get(r, pairingStoreChallenge)", zap.Error(err))
|
|
http.Error(w, "error", http.StatusInternalServerError)
|
|
}
|
|
|
|
blocked, ok := s.Values[sessionBlocked].(bool)
|
|
if ok && blocked {
|
|
http.Error(w, "forbidden", http.StatusForbidden)
|
|
return
|
|
}
|
|
|
|
// If the request header doesn't include a challenge don't punish the client, just throw a 403
|
|
pc := r.Header.Get(sessionChallenge)
|
|
if pc == "" {
|
|
http.Error(w, "forbidden", http.StatusForbidden)
|
|
return
|
|
}
|
|
|
|
c, err := common.Decrypt(base58.Decode(pc), ps.ek)
|
|
if err != nil {
|
|
ps.logger.Error("c, err := common.Decrypt(rc, ps.ek)", zap.Error(err))
|
|
http.Error(w, "error", http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
// If the challenge is not in the session store don't punish the client, just throw a 403
|
|
challenge, ok := s.Values[sessionChallenge].([]byte)
|
|
if !ok {
|
|
http.Error(w, "forbidden", http.StatusForbidden)
|
|
return
|
|
}
|
|
|
|
// Only if we have both a challenge in the session store and in the request header
|
|
// do we entertain blocking the client. Because then we know someone is trying to be sneaky.
|
|
if bytes.Compare(c, challenge) != 0 {
|
|
s.Values[sessionBlocked] = true
|
|
err = s.Save(r, w)
|
|
if err != nil {
|
|
ps.logger.Error("err = s.Save(r, w)", zap.Error(err))
|
|
}
|
|
|
|
http.Error(w, "forbidden", http.StatusForbidden)
|
|
return
|
|
}
|
|
|
|
next.ServeHTTP(w, r)
|
|
}
|
|
}
|
|
|
|
func handlePairingChallenge(ps *PairingServer) http.HandlerFunc {
|
|
return func(w http.ResponseWriter, r *http.Request) {
|
|
s, err := ps.cookieStore.Get(r, sessionChallenge)
|
|
if err != nil {
|
|
ps.logger.Error("ps.cookieStore.Get(r, pairingStoreChallenge)", zap.Error(err))
|
|
}
|
|
|
|
var challenge []byte
|
|
challenge, ok := s.Values[sessionChallenge].([]byte)
|
|
if !ok {
|
|
challenge = make([]byte, 64)
|
|
_, err = rand.Read(challenge)
|
|
if err != nil {
|
|
ps.logger.Error("_, err = rand.Read(auth)", zap.Error(err))
|
|
}
|
|
|
|
s.Values[sessionChallenge] = challenge
|
|
err = s.Save(r, w)
|
|
if err != nil {
|
|
ps.logger.Error("err = s.Save(r, w)", zap.Error(err))
|
|
}
|
|
}
|
|
|
|
w.Header().Set("Content-Type", "application/octet-stream")
|
|
_, err = w.Write(challenge)
|
|
if err != nil {
|
|
ps.logger.Error("_, err = w.Write(challenge)", zap.Error(err))
|
|
}
|
|
}
|
|
}
|