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Implement expiration for always-on clients

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Fixes #810
This commit is contained in:
Shivaram Lingamneni 2020-12-21 05:11:50 -05:00
parent be31d33dc4
commit 48166b5b4b
6 changed files with 101 additions and 29 deletions
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49
irc/client.go
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@ -237,7 +237,7 @@ func (s *Session) EndMultilineBatch(label string) (batch MultilineBatch, err err
}
// sets the session quit message, if there isn't one already
func (sd *Session) SetQuitMessage(message string) (set bool) {
func (sd *Session) setQuitMessage(message string) (set bool) {
if message == "" {
message = "Connection closed"
}
@ -443,6 +443,11 @@ func (server *Server) AddAlwaysOnClient(account ClientAccount, channelToModes ma
nextSessionID: 1,
}
if client.checkAlwaysOnExpirationNoMutex(config) {
server.logger.Debug("accounts", "always-on client not created due to expiration", account.Name)
return
}
client.SetMode(modes.TLS, true)
for _, m := range uModes {
client.SetMode(m, true)
@ -789,14 +794,16 @@ func (client *Client) Touch(session *Session) {
var markDirty bool
now := time.Now().UTC()
client.stateMutex.Lock()
if client.accountSettings.AutoreplayMissed || session.deviceID != "" {
client.setLastSeen(now, session.deviceID)
if now.Sub(client.lastSeenLastWrite) > lastSeenWriteInterval {
markDirty = true
client.lastSeenLastWrite = now
if client.registered {
client.updateIdleTimer(session, now)
if client.alwaysOn {
client.setLastSeen(now, session.deviceID)
if now.Sub(client.lastSeenLastWrite) > lastSeenWriteInterval {
markDirty = true
client.lastSeenLastWrite = now
}
}
}
client.updateIdleTimer(session, now)
client.stateMutex.Unlock()
if markDirty {
client.markDirty(IncludeLastSeen)
@ -1364,7 +1371,7 @@ func (client *Client) Quit(message string, session *Session) {
}
for _, session := range sessions {
if session.SetQuitMessage(message) {
if session.setQuitMessage(message) {
setFinalData(session)
}
}
@ -1378,6 +1385,7 @@ func (client *Client) destroy(session *Session) {
config := client.server.Config()
var sessionsToDestroy []*Session
var saveLastSeen bool
var quitMessage string
client.stateMutex.Lock()
@ -1390,6 +1398,13 @@ func (client *Client) destroy(session *Session) {
// XXX a temporary (reattaching) client can be marked alwaysOn when it logs in,
// but then the session attaches to another client and we need to clean it up here
alwaysOn := registered && client.alwaysOn
// if we hit always-on-expiration, confirm the expiration and then proceed as though
// always-on is disabled:
if alwaysOn && session == nil && client.checkAlwaysOnExpirationNoMutex(config) {
quitMessage = "Timed out due to inactivity"
alwaysOn = false
client.alwaysOn = false
}
var remainingSessions int
if session == nil {
@ -1459,7 +1474,6 @@ func (client *Client) destroy(session *Session) {
}
// destroy all applicable sessions:
var quitMessage string
for _, session := range sessionsToDestroy {
if session.client != client {
// session has been attached to a new client; do not destroy it
@ -1468,7 +1482,7 @@ func (client *Client) destroy(session *Session) {
session.stopIdleTimer()
// send quit/error message to client if they haven't been sent already
client.Quit("", session)
quitMessage = session.quitMessage
quitMessage = session.quitMessage // doesn't need synch, we already detached
session.SetDestroyed()
session.socket.Close()
@ -1506,13 +1520,7 @@ func (client *Client) destroy(session *Session) {
return
}
splitQuitMessage := utils.MakeMessage(quitMessage)
quitItem := history.Item{
Type: history.Quit,
Nick: details.nickMask,
AccountName: details.accountName,
Message: splitQuitMessage,
}
var quitItem history.Item
var channels []*Channel
// use a defer here to avoid writing to mysql while holding the destroy semaphore:
defer func() {
@ -1574,6 +1582,13 @@ func (client *Client) destroy(session *Session) {
if quitMessage == "" {
quitMessage = "Exited"
}
splitQuitMessage := utils.MakeMessage(quitMessage)
quitItem = history.Item{
Type: history.Quit,
Nick: details.nickMask,
AccountName: details.accountName,
Message: splitQuitMessage,
}
var cache MessageCache
cache.Initialize(client.server, splitQuitMessage.Time, splitQuitMessage.Msgid, details.nickMask, details.accountName, nil, "QUIT", quitMessage)
for friend := range friends {