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https://github.com/idanoo/autobrr
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feat(irc): attempt SASL login with fallback to nickserv (#333)
* IRC: attempt SASL, ignore SASL failure * update Ergo integration testing config * refactor(irc): rework auth and join based on events
This commit is contained in:
Shivaram Lingamneni
GitHub
parent
94a3810f57
commit
95471a4cf7
2 changed files with 924 additions and 878 deletions
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@ -76,6 +76,8 @@ type Handler struct {
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connectionErrors []string
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failedNickServAttempts int
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authenticated bool
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}
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func NewHandler(log logger.Logger, network domain.IrcNetwork, definitions []*domain.IndexerDefinition, releaseSvc release.Service, notificationSvc notification.Service) *Handler {
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@ -90,6 +92,7 @@ func NewHandler(log logger.Logger, network domain.IrcNetwork, definitions []*dom
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validAnnouncers: map[string]struct{}{},
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validChannels: map[string]struct{}{},
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channelHealth: map[string]*channelHealth{},
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authenticated: false,
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}
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// init indexer, announceProcessor
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@ -152,6 +155,9 @@ func (h *Handler) Run() error {
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User: h.network.NickServ.Account,
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RealName: h.network.NickServ.Account,
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Password: h.network.Pass,
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SASLLogin: h.network.NickServ.Account,
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SASLPassword: h.network.NickServ.Password,
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SASLOptional: true,
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Server: addr,
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KeepAlive: 4 * time.Minute,
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Timeout: 2 * time.Minute,
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@ -176,6 +182,7 @@ func (h *Handler) Run() error {
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h.client.AddCallback("PRIVMSG", h.onMessage)
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h.client.AddCallback("NOTICE", h.onNotice)
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h.client.AddCallback("NICK", h.onNick)
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h.client.AddCallback("903", h.handleSASLSuccess)
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if err := h.client.Connect(); err != nil {
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h.log.Error().Stack().Err(err).Msg("connect error")
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@ -219,6 +226,10 @@ func (h *Handler) isOurNick(nick string) bool {
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return h.network.NickServ.Account == nick
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}
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func (h *Handler) isOurCurrentNick(nick string) bool {
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return h.client.CurrentNick() == nick
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}
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func (h *Handler) setConnectionStatus() {
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h.m.Lock()
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// set connected since now
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@ -293,9 +304,10 @@ func (h *Handler) Restart() error {
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}
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func (h *Handler) onConnect(m ircmsg.Message) {
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// 0. Authenticated via SASL - join
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// 1. No nickserv, no invite command - join
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// 2. Nickserv - join after auth
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// 3. nickserv and invite command - join after nickserv
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// 2. Nickserv password - join after auth
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// 3. nickserv and invite command - send nickserv pass, wait for mode to send invite cmd, then join
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// 4. invite command - join
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h.resetConnectErrors()
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@ -313,9 +325,28 @@ func (h *Handler) onConnect(m ircmsg.Message) {
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h.log.Debug().Msgf("connected to: %v", h.network.Name)
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time.Sleep(2 * time.Second)
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time.Sleep(1 * time.Second)
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if h.network.NickServ.Password != "" {
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// if already authenticated via SASL then join channels
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if h.authenticated {
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h.log.Trace().Msg("on connect - already authenticated: join channels")
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// check for invite command
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if h.network.InviteCommand != "" {
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if err := h.sendConnectCommands(h.network.InviteCommand); err != nil {
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h.log.Error().Stack().Err(err).Msgf("error sending connect command %v", h.network.InviteCommand)
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return
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}
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// let's return because MODE will change, and we join when we have the correct mode
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return
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}
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// if authenticated and no invite command lets join
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h.JoinChannels()
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} else if h.network.NickServ.Password != "" {
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h.log.Trace().Msg("on connect not authenticated and password not empty: send nickserv identify")
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if err := h.NickServIdentify(h.network.NickServ.Password); err != nil {
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h.log.Error().Stack().Err(err).Msg("error nickserv")
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return
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@ -323,20 +354,21 @@ func (h *Handler) onConnect(m ircmsg.Message) {
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// return and wait for NOTICE of nickserv auth
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return
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}
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if h.network.InviteCommand != "" && h.network.NickServ.Password == "" {
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} else if h.network.InviteCommand != "" {
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h.log.Trace().Msg("on connect invite command not empty: send connect commands")
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if err := h.sendConnectCommands(h.network.InviteCommand); err != nil {
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h.log.Error().Stack().Err(err).Msgf("error sending connect command %v", h.network.InviteCommand)
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return
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}
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return
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} else {
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// join channels if no password or no invite command
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h.log.Trace().Msg("on connect - no nickserv or invite command: join channels")
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h.JoinChannels()
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}
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// join channels if no password or no invite command
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h.JoinChannels()
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}
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func (h *Handler) onDisconnect(m ircmsg.Message) {
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@ -345,6 +377,7 @@ func (h *Handler) onDisconnect(m ircmsg.Message) {
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h.haveDisconnected = true
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h.resetConnectionStatus()
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h.resetAuthenticated()
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// check if we are responsible for disconnect
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if !h.manuallyDisconnected {
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@ -360,96 +393,103 @@ func (h *Handler) onDisconnect(m ircmsg.Message) {
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}
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func (h *Handler) onNotice(msg ircmsg.Message) {
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if msg.Nick() == "NickServ" {
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h.log.Debug().Msgf("NOTICE from nickserv: %v", msg.Params)
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if contains(msg.Params[1],
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"Invalid account credentials",
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"Authentication failed: Invalid account credentials",
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"password incorrect",
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) {
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h.addConnectError("authentication failed: Bad account credentials")
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h.log.Warn().Msg("NickServ: authentication failed - bad account credentials")
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if h.failedNickServAttempts >= 1 {
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h.log.Warn().Msgf("NickServ %d failed login attempts", h.failedNickServAttempts)
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// stop network and notify user
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h.Stop()
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}
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h.failedNickServAttempts++
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}
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if contains(msg.Params[1],
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"Account does not exist",
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"Authentication failed: Account does not exist", // Nick ANICK isn't registered
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) {
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h.addConnectError("authentication failed: account does not exist")
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if h.failedNickServAttempts >= 2 {
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h.log.Warn().Msgf("NickServ %d failed login attempts", h.failedNickServAttempts)
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// stop network and notify user
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h.Stop()
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}
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h.failedNickServAttempts++
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}
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if contains(msg.Params[1],
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"This nickname is registered and protected",
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"please choose a different nick",
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"choose a different nick",
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) {
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if h.failedNickServAttempts >= 3 {
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h.log.Warn().Msgf("NickServ %d failed login attempts", h.failedNickServAttempts)
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h.addConnectError("authentication failed: nick in use and not authenticated")
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// stop network and notify user
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h.Stop()
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}
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h.failedNickServAttempts++
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}
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// params: [test-bot You're now logged in as test-bot]
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// Password accepted - you are now recognized.
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if contains(msg.Params[1], "you're now logged in as", "password accepted", "you are now recognized") {
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h.log.Debug().Msgf("NOTICE nickserv logged in: %v", msg.Params)
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h.resetConnectErrors()
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h.failedNickServAttempts = 0
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// if no invite command, join
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if h.network.InviteCommand == "" {
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h.JoinChannels()
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return
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}
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// else send connect commands
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if err := h.sendConnectCommands(h.network.InviteCommand); err != nil {
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h.log.Error().Stack().Err(err).Msgf("error sending connect command %v", h.network.InviteCommand)
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return
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}
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}
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//[test-bot Invalid parameters. For usage, do /msg NickServ HELP IDENTIFY]
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// fallback for networks that require both password and nick to NickServ IDENTIFY
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if contains(msg.Params[1], "invalid parameters", "help identify") {
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h.log.Debug().Msgf("NOTICE nickserv invalid: %v", msg.Params)
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if err := h.client.Send("PRIVMSG", "NickServ", fmt.Sprintf("IDENTIFY %v %v", h.network.NickServ.Account, h.network.NickServ.Password)); err != nil {
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return
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}
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}
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// Your nickname is not registered
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switch msg.Nick() {
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case "NickServ":
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h.handleNickServ(msg)
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}
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}
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func (h *Handler) handleNickServ(msg ircmsg.Message) {
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h.log.Trace().Msgf("NOTICE from nickserv: %v", msg.Params)
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if contains(msg.Params[1],
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"Invalid account credentials",
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"Authentication failed: Invalid account credentials",
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"password incorrect",
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) {
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h.addConnectError("authentication failed: Bad account credentials")
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h.log.Warn().Msg("NickServ: authentication failed - bad account credentials")
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if h.failedNickServAttempts >= 1 {
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h.log.Warn().Msgf("NickServ %d failed login attempts", h.failedNickServAttempts)
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// stop network and notify user
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h.Stop()
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}
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h.failedNickServAttempts++
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}
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if contains(msg.Params[1],
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"Account does not exist",
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"Authentication failed: Account does not exist", // Nick ANICK isn't registered
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) {
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h.addConnectError("authentication failed: account does not exist")
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if h.failedNickServAttempts >= 2 {
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h.log.Warn().Msgf("NickServ %d failed login attempts", h.failedNickServAttempts)
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// stop network and notify user
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h.Stop()
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}
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h.failedNickServAttempts++
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}
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if contains(msg.Params[1],
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"This nickname is registered and protected",
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"please choose a different nick",
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"choose a different nick",
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) {
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if h.failedNickServAttempts >= 3 {
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h.log.Warn().Msgf("NickServ %d failed login attempts", h.failedNickServAttempts)
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h.addConnectError("authentication failed: nick in use and not authenticated")
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// stop network and notify user
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h.Stop()
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}
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h.failedNickServAttempts++
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}
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// You're now logged in as test-bot
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// Password accepted - you are now recognized.
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if contains(msg.Params[1], "you're now logged in as", "password accepted", "you are now recognized") {
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h.log.Debug().Msgf("NOTICE nickserv logged in: %v", msg.Params)
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}
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// fallback for networks that require both password and nick to NickServ IDENTIFY
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// Invalid parameters. For usage, do /msg NickServ HELP IDENTIFY
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if contains(msg.Params[1], "invalid parameters", "help identify") {
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h.log.Debug().Msgf("NOTICE nickserv invalid: %v", msg.Params)
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if err := h.client.Send("PRIVMSG", "NickServ", fmt.Sprintf("IDENTIFY %v %v", h.network.NickServ.Account, h.network.NickServ.Password)); err != nil {
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return
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}
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}
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}
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// handleSASLSuccess we get here early so set authenticated before we hit onConnect
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func (h *Handler) handleSASLSuccess(msg ircmsg.Message) {
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h.setAuthenticated()
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}
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func (h *Handler) setAuthenticated() {
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h.m.Lock()
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defer h.m.Unlock()
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h.authenticated = true
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}
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func (h *Handler) resetAuthenticated() {
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h.m.Lock()
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defer h.m.Unlock()
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h.authenticated = false
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}
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func contains(s string, substr ...string) bool {
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s = strings.ToLower(s)
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for _, c := range substr {
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@ -464,7 +504,7 @@ func contains(s string, substr ...string) bool {
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}
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func (h *Handler) onNick(msg ircmsg.Message) {
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h.log.Debug().Msgf("NICK event: %v params: %v", msg.Nick(), msg.Params)
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h.log.Trace().Msgf("NICK event: %v params: %v", msg.Nick(), msg.Params)
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if h.client.CurrentNick() != h.client.PreferredNick() {
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h.log.Debug().Msgf("nick miss-match: got %v want %v", h.client.CurrentNick(), h.client.PreferredNick())
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@ -565,7 +605,7 @@ func (h *Handler) JoinChannel(channel string, password string) error {
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func (h *Handler) handlePart(msg ircmsg.Message) {
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if !h.isOurNick(msg.Nick()) {
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h.log.Debug().Msgf("MODE OTHER USER: %+v", msg)
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h.log.Trace().Msgf("PART other user: %+v", msg)
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return
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}
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@ -573,8 +613,7 @@ func (h *Handler) handlePart(msg ircmsg.Message) {
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h.log.Debug().Msgf("PART channel %v", channel)
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err := h.client.Part(channel)
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if err != nil {
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if err := h.client.Part(channel); err != nil {
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h.log.Error().Err(err).Msgf("error handling part: %v", channel)
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return
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}
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@ -589,7 +628,7 @@ func (h *Handler) handlePart(msg ircmsg.Message) {
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// TODO remove announceProcessor
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h.log.Debug().Msgf("Left channel '%v'", channel)
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h.log.Debug().Msgf("Left channel %v", channel)
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return
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}
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@ -613,14 +652,14 @@ func (h *Handler) PartChannel(channel string) error {
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// TODO remove announceProcessor
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h.log.Info().Msgf("Left channel '%v' on network '%v'", channel, h.network.Server)
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h.log.Info().Msgf("Left channel: %v", channel)
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return nil
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}
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func (h *Handler) handleJoined(msg ircmsg.Message) {
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if !h.isOurNick(msg.Params[0]) {
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h.log.Debug().Msgf("OTHER USER JOINED: %+v", msg)
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h.log.Trace().Msgf("JOINED other user: %+v", msg)
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return
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}
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@ -705,7 +744,7 @@ func (h *Handler) NickServIdentify(password string) error {
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}
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func (h *Handler) NickChange(nick string) error {
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h.log.Debug().Msgf("Nick change: %v", nick)
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h.log.Debug().Msgf("NICK change: %v", nick)
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h.client.SetNick(nick)
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@ -721,23 +760,34 @@ func (h *Handler) PreferredNick() string {
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}
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func (h *Handler) handleMode(msg ircmsg.Message) {
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h.log.Debug().Msgf("MODE: %+v", msg)
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h.log.Trace().Msgf("MODE: %+v", msg)
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// if our nick and user mode +r (Identifies the nick as being Registered (settable by services only)) then return
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if h.isOurCurrentNick(msg.Params[0]) && strings.Contains(msg.Params[1], "+r") {
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h.setAuthenticated()
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h.resetConnectErrors()
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h.failedNickServAttempts = 0
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// if invite command send
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if h.network.InviteCommand != "" {
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// send connect commands
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if err := h.sendConnectCommands(h.network.InviteCommand); err != nil {
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h.log.Error().Stack().Err(err).Msgf("error sending connect command %v", h.network.InviteCommand)
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return
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}
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return
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}
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time.Sleep(1 * time.Second)
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//join channels
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h.JoinChannels()
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if !h.isOurNick(msg.Params[0]) {
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h.log.Trace().Msgf("MODE OTHER USER: %+v", msg)
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return
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}
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if h.network.NickServ.Password != "" && !strings.Contains(msg.Params[0], h.client.Nick) || !strings.Contains(msg.Params[1], "+r") {
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h.log.Trace().Msgf("MODE: Not correct permission yet: %v", msg.Params)
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return
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}
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time.Sleep(2 * time.Second)
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// join channels
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h.JoinChannels()
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return
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}
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