forked from mconintet/KiwiChat-Server
/
logout.go
98 lines (80 loc) · 1.88 KB
/
logout.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 logoutUser(uid int64) error {
db, err := sql.Open("mysql", dbConnInfo)
if err != nil {
return err
}
defer db.Close()
// set token/network to NULL
stmtUpe, err := db.Prepare("UPDATE user SET token=?,network=? WHERE id=?")
if err != nil {
return err
}
defer stmtUpe.Close()
_, err = stmtUpe.Exec(nil, nil, uid)
if err != nil {
return errors.New(fmt.Sprintf("cannot update token of user %d err: %s", uid, err.Error()))
}
return nil
}
func resetUserNetwork(uid int64) error {
db, err := sql.Open("mysql", dbConnInfo)
if err != nil {
return err
}
defer db.Close()
// set token/network to NULL
stmtUpe, err := db.Prepare("UPDATE user SET network=? WHERE id=?")
if err != nil {
return err
}
defer stmtUpe.Close()
_, err = stmtUpe.Exec(nil, uid)
if err != nil {
return errors.New(fmt.Sprintf("cannot update network of user %d err: %s", uid, err.Error()))
}
return nil
}
func handleLogout(j *simplejson.Json, s kiwi.MessageSender, m *kiwi.Message) error {
uid, err := j.Get("uid").Int64()
if err != nil {
return ErrDeformedRequest
}
token, err := j.Get("token").String()
if err != nil {
return ErrDeformedRequest
}
db, err := sql.Open("mysql", dbConnInfo)
if err != nil {
return err
}
defer db.Close()
// valid user and his token
tokenIsValid, err := checkToken(uid, token)
if err != nil {
return err
}
if !tokenIsValid {
sendNeedsLogin("logout-return", s)
return nil
}
// remove connId from uid-connId map
uidConnIdMap.delUid(uid)
// logout user
logoutUser(uid)
retMsg := simplejson.New()
retMsg.Set("action", "logout-return")
retMsg.Set("errCode", ErrNone)
retMsg.Set("errMsg", ErrCodeMsg[ErrNone])
byts, _ := retMsg.MarshalJSON()
s.SendWholeBytes(byts, false)
return nil
}