func authNewApp(w http.ResponseWriter, r *http.Request) {
lwutil.CheckMathod(r, "POST")
session, err := findSession(w, r, nil)
lwutil.CheckError(err, "err_auth")
checkAdmin(session)
// input
var input struct {
Name string
}
err = lwutil.DecodeRequestBody(r, &input)
lwutil.CheckError(err, "err_decode_body")
if input.Name == "" {
lwutil.SendError("err_input", "input.Name empty")
}
// db
stmt, err := authDB.Prepare("INSERT INTO apps (name, secret) VALUES (?, ?)")
lwutil.CheckError(err, "")
secret := lwutil.GenUUID()
_, err = stmt.Exec(input.Name, secret)
lwutil.CheckError(err, "err_name_exists")
// reply
reply := struct {
Name string
Secret string
}{input.Name, secret}
lwutil.WriteResponse(w, reply)
}
func newSession(w http.ResponseWriter, userid uint64, username string, appid uint32, rc redis.Conn) (usertoken string, err error) {
if rc == nil {
rc = redisPool.Get()
defer rc.Close()
}
usertoken = ""
usertokenRaw, err := rc.Do("get", fmt.Sprintf("usertokens/%d+%d", userid, appid))
lwutil.CheckError(err, "")
if usertokenRaw != nil {
if usertoken, err := redis.String(usertokenRaw, err); err != nil {
return usertoken, lwutil.NewErr(err)
}
rc.Do("del", fmt.Sprintf("sessions/%s", usertoken))
}
usertoken = lwutil.GenUUID()
session := Session{userid, username, time.Now(), appid}
jsonSession, err := json.Marshal(session)
if err != nil {
return usertoken, lwutil.NewErr(err)
}
rc.Send("setex", fmt.Sprintf("sessions/%s", usertoken), sessionLifeSecond, jsonSession)
rc.Send("setex", fmt.Sprintf("usertokens/%d+%d", userid, appid), sessionLifeSecond, usertoken)
rc.Flush()
for i := 0; i < 2; i++ {
if _, err = rc.Receive(); err != nil {
return usertoken, lwutil.NewErr(err)
}
}
// cookie
http.SetCookie(w, &http.Cookie{Name: "usertoken", Value: usertoken, MaxAge: sessionLifeSecond, Path: "/"})
return usertoken, err
}
func startMatch(w http.ResponseWriter, r *http.Request) {
lwutil.CheckMathod(r, "POST")
rc := redisPool.Get()
defer rc.Close()
session, err := findSession(w, r, rc)
lwutil.CheckError(err, "err_auth")
appid := session.Appid
if appid == 0 {
lwutil.SendError("err_auth", "Please login with app secret")
}
//input
var in struct {
MatchId uint32
}
err = lwutil.DecodeRequestBody(r, &in)
lwutil.CheckError(err, "err_decode_body")
//get match info
key := fmt.Sprintf("%d+%d", appid, in.MatchId)
matchJson, err := redis.Bytes(rc.Do("hget", "matches", key))
lwutil.CheckError(err, "err_not_found")
var match Match
err = json.Unmarshal(matchJson, &match)
lwutil.CheckError(err, "")
//check time
now := time.Now().Unix()
if now < match.Begin || now >= match.End-MATCH_TRY_DURATION_SEC {
lwutil.SendError("err_time", "now < match.Begin || now >= match.End-MATCH_TRY_DURATION_SEC")
}
//incr and check try number
tryNumKey := makeTryNumKey(in.MatchId)
tryNum, err := redis.Int(rc.Do("hget", tryNumKey, session.Userid))
if err != nil && err != redis.ErrNil {
lwutil.CheckError(err, "")
}
if uint32(tryNum) >= match.TryMax {
lwutil.SendError("err_no_try", "no try left")
}
_, err = rc.Do("hincrby", tryNumKey, session.Userid, 1)
lwutil.CheckError(err, "")
tryNum++
//new try secret
trySecret := lwutil.GenUUID()
_, err = rc.Do("setex", fmt.Sprintf("trySecrets/%s", trySecret), MATCH_TRY_DURATION_SEC, in.MatchId)
lwutil.CheckError(err, "")
//out
out := struct {
Secret string
TryNum uint32
}{trySecret, uint32(tryNum)}
lwutil.WriteResponse(w, out)
}