forked from mconintet/KiwiChat-Server
/
login.go
89 lines (76 loc) · 2.03 KB
/
login.go
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package main
import (
"database/sql"
"errors"
"fmt"
"github.com/bitly/go-simplejson"
_ "github.com/go-sql-driver/mysql"
"github.com/mconintet/kiwi"
)
func handleLogin(j *simplejson.Json, s kiwi.MessageSender, m *kiwi.Message) error {
email, err := j.Get("email").String()
if err != nil {
return ErrDeformedRequest
}
password, err := j.Get("password").String()
if err != nil {
return ErrDeformedRequest
}
network, err := j.Get("network").Int()
if err != nil {
return ErrDeformedRequest
}
db, err := sql.Open("mysql", dbConnInfo)
if err != nil {
return err
}
defer db.Close()
// validate login info
stmtOut, err := db.Prepare("SELECT id,nickname,avatar FROM user WHERE email=? AND password=?")
if err != nil {
return err
}
defer stmtOut.Close()
var uid int64
var nickname sql.NullString
var avatar []byte
err = stmtOut.QueryRow(email, makePassword(password)).Scan(&uid, &nickname, &avatar)
if err != nil {
if err == sql.ErrNoRows {
retMsg := simplejson.New()
retMsg.Set("action", "login-return")
retMsg.Set("uid", -1)
retMsg.Set("token", "")
retMsg.Set("errCode", ErrInvalidLoginInfo)
retMsg.Set("errMsg", ErrCodeMsg[ErrInvalidLoginInfo])
byts, _ := retMsg.MarshalJSON()
s.SendWholeBytes(byts, false)
return nil
}
return err
}
// associate new conn id with user
uidConnIdMap.add(uid, s.GetConn().ID)
// update token/network
token := makeToken()
stmtUpe, err := db.Prepare("UPDATE user SET token=?,network=? WHERE id=?")
if err != nil {
return err
}
defer stmtUpe.Close()
_, err = stmtUpe.Exec(token, network, uid)
if err != nil {
return errors.New(fmt.Sprintf("cannot update token of user %d err: %s", uid, err.Error()))
}
retMsg := simplejson.New()
retMsg.Set("action", "login-return")
retMsg.Set("uid", uid)
retMsg.Set("token", token)
retMsg.Set("nickname", nickname.String)
retMsg.Set("avatar", encodeAvatar(avatar))
retMsg.Set("errCode", ErrNone)
retMsg.Set("errMsg", ErrCodeMsg[ErrNone])
byts, _ := retMsg.MarshalJSON()
s.SendWholeBytes(byts, false)
return nil
}