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// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package app
import (
"github.com/mattermost/platform/einterfaces"
"github.com/mattermost/platform/model"
"github.com/mattermost/platform/store"
"github.com/mattermost/platform/utils"
l4g "github.com/alecthomas/log4go"
)
var sessionCache *utils.Cache = utils.NewLru(model.SESSION_CACHE_SIZE)
func GetSession(token string) (*model.Session, *model.AppError) {
metrics := einterfaces.GetMetricsInterface()
var session *model.Session
if ts, ok := sessionCache.Get(token); ok {
session = ts.(*model.Session)
if metrics != nil {
metrics.IncrementMemCacheHitCounter("Session")
}
} else {
if metrics != nil {
metrics.IncrementMemCacheMissCounter("Session")
}
}
if session == nil {
if sessionResult := <-Srv.Store.Session().Get(token); sessionResult.Err != nil {
return nil, model.NewLocAppError("GetSession", "api.context.invalid_token.error", map[string]interface{}{"Token": token, "Error": sessionResult.Err.DetailedError}, "")
} else {
session = sessionResult.Data.(*model.Session)
if session.IsExpired() || session.Token != token {
return nil, model.NewLocAppError("GetSession", "api.context.invalid_token.error", map[string]interface{}{"Token": token, "Error": sessionResult.Err.DetailedError}, "")
} else {
AddSessionToCache(session)
return session, nil
}
}
}
if session == nil || session.IsExpired() {
return nil, model.NewLocAppError("GetSession", "api.context.invalid_token.error", map[string]interface{}{"Token": token}, "")
}
return session, nil
}
func RemoveAllSessionsForUserId(userId string) {
RemoveAllSessionsForUserIdSkipClusterSend(userId)
if einterfaces.GetClusterInterface() != nil {
einterfaces.GetClusterInterface().RemoveAllSessionsForUserId(userId)
}
}
func RemoveAllSessionsForUserIdSkipClusterSend(userId string) {
keys := sessionCache.Keys()
for _, key := range keys {
if ts, ok := sessionCache.Get(key); ok {
session := ts.(*model.Session)
if session.UserId == userId {
sessionCache.Remove(key)
}
}
}
InvalidateWebConnSessionCacheForUser(userId)
}
func AddSessionToCache(session *model.Session) {
sessionCache.AddWithExpiresInSecs(session.Token, session, int64(*utils.Cfg.ServiceSettings.SessionCacheInMinutes*60))
}
func InvalidateAllCaches() {
l4g.Info(utils.T("api.context.invalidate_all_caches"))
sessionCache.Purge()
ClearStatusCache()
store.ClearChannelCaches()
store.ClearUserCaches()
store.ClearPostCaches()
}
func SessionCacheLength() int {
return sessionCache.Len()
}
func RevokeSessionsForDeviceId(userId string, deviceId string, currentSessionId string) *model.AppError {
if result := <-Srv.Store.Session().GetSessions(userId); result.Err != nil {
return result.Err
} else {
sessions := result.Data.([]*model.Session)
for _, session := range sessions {
if session.DeviceId == deviceId && session.Id != currentSessionId {
l4g.Debug(utils.T("api.user.login.revoking.app_error"), session.Id, userId)
if err := RevokeSession(session); err != nil {
// Soft error so we still remove the other sessions
l4g.Error(err.Error())
}
}
}
}
return nil
}
func RevokeSessionById(sessionId string) *model.AppError {
if result := <-Srv.Store.Session().Get(sessionId); result.Err != nil {
return result.Err
} else {
return RevokeSession(result.Data.(*model.Session))
}
}
func RevokeSession(session *model.Session) *model.AppError {
if session.IsOAuth {
if err := RevokeAccessToken(session.Token); err != nil {
return err
}
} else {
if result := <-Srv.Store.Session().Remove(session.Id); result.Err != nil {
return result.Err
}
}
RevokeWebrtcToken(session.Id)
RemoveAllSessionsForUserId(session.UserId)
return nil
}
func AttachDeviceId(sessionId string, deviceId string, expiresAt int64) *model.AppError {
if result := <-Srv.Store.Session().UpdateDeviceId(sessionId, deviceId, expiresAt); result.Err != nil {
return result.Err
}
return nil
}
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