--- /dev/null
+package r3xmppbot
+
+import (
+ xmpp "code.google.com/p/goexmpp"
+ "log"
+ "crypto/tls"
+ "os"
+ "time"
+ "encoding/json"
+ "path"
+)
+
+//~ type StdLogger struct {
+//~ }
+
+//~ func (s *StdLogger) Log(v ...interface{}) {
+ //~ log.Println(v...)
+//~ }
+
+//~ func (s *StdLogger) Logf(fmt string, v ...interface{}) {
+ //~ log.Printf(fmt, v...)
+//~ }
+
+
+func (botdata *XmppBot) makeXMPPMessage(to string, message interface{}, subject interface{}) *xmpp.Message {
+ xmppmsgheader := xmpp.Header{To: to,
+ From: botdata.my_jid_,
+ Id: <-xmpp.Id,
+ Type: "chat",
+ Lang: "",
+ Innerxml: "",
+ Error: nil,
+ Nested: make([]interface{},0)}
+
+ var msgsubject, msgbody *xmpp.Generic
+ switch cast_msg := message.(type) {
+ case string:
+ msgbody = &xmpp.Generic{Chardata: cast_msg}
+ case *string:
+ msgbody = &xmpp.Generic{Chardata: *cast_msg}
+ case *xmpp.Generic:
+ msgbody = cast_msg
+ default:
+ msgbody = &xmpp.Generic{}
+ }
+ switch cast_msg := subject.(type) {
+ case string:
+ msgsubject = &xmpp.Generic{Chardata: cast_msg}
+ case *string:
+ msgsubject = &xmpp.Generic{Chardata: *cast_msg}
+ case *xmpp.Generic:
+ msgsubject = cast_msg
+ default:
+ msgsubject = &xmpp.Generic{}
+ }
+ return &xmpp.Message{Header: xmppmsgheader , Subject: msgsubject, Body: msgbody, Thread: &xmpp.Generic{}}
+}
+
+func (botdata *XmppBot) makeXMPPPresence(to, ptype, show, status string) *xmpp.Presence {
+ xmppmsgheader := xmpp.Header{To: to,
+ From: botdata.my_jid_,
+ Id: <-xmpp.Id,
+ Type: ptype,
+ Lang: "",
+ Innerxml: "",
+ Error: nil,
+ Nested: make([]interface{},0)}
+ var gen_show, gen_status *xmpp.Generic
+ if len(show) == 0 {
+ gen_show = nil
+ } else {
+ gen_show = &xmpp.Generic{Chardata: show}
+ }
+ if len(status) == 0 {
+ gen_status = nil
+ } else {
+ gen_status = &xmpp.Generic{Chardata: status}
+ }
+ return &xmpp.Presence{Header: xmppmsgheader, Show: gen_show, Status: gen_status}
+}
+
+type R3JIDDesire int
+
+const (
+ R3NoChange R3JIDDesire = -1
+ R3NeverInfo R3JIDDesire = iota // ignore first value by assigning to blank identifier
+ R3OnlineOnlyInfo
+ R3OnlineOnlyWithRecapInfo
+ R3AlwaysInfo
+ R3DebugInfo
+)
+
+const (
+ ShowOnline string = ""
+ ShowAway string = "away"
+ ShowNotAvailabe string = "xa"
+ ShowDoNotDisturb string = "dnd"
+ ShowFreeForChat string = "chat"
+)
+
+type JidData struct {
+ Online bool
+ Wants R3JIDDesire
+}
+
+type JabberEvent struct {
+ JID string
+ Online bool
+ Wants R3JIDDesire
+ StatusNow bool
+}
+
+type XMPPMsgEvent struct {
+ Msg string
+ DistributeLevel R3JIDDesire
+ RememberAsStatus bool
+}
+
+type XMPPStatusEvent struct {
+ Show string
+ Status string
+}
+
+type RealraumXmppNotifierConfig map[string]JidData
+
+type XmppBot struct {
+ jid_lastauthtime_ map[string]int64
+ realraum_jids_ RealraumXmppNotifierConfig
+ password_ string
+ auth_cmd_ string
+ auth_cmd2_ string
+ my_jid_ string
+ auth_timeout_ int64
+ config_file_ string
+ my_login_password_ string
+ xmppclient_ *xmpp.Client
+ presence_events_ *chan interface{}
+}
+
+
+func (data RealraumXmppNotifierConfig) saveTo(filepath string) () {
+ fh, err := os.Create(filepath)
+ if err != nil {
+ log.Println(err)
+ return
+ }
+ defer fh.Close()
+ enc := json.NewEncoder(fh)
+ if err = enc.Encode(&data); err != nil {
+ log.Println(err)
+ return
+ }
+}
+
+func (data RealraumXmppNotifierConfig) loadFrom(filepath string) () {
+ fh, err := os.Open(filepath)
+ if err != nil {
+ log.Println(err)
+ return
+ }
+ defer fh.Close()
+ dec := json.NewDecoder(fh)
+ if err = dec.Decode(&data); err != nil {
+ log.Println(err)
+ return
+ }
+ for to, jiddata := range data {
+ jiddata.Online = false
+ data[to]=jiddata
+ }
+}
+
+
+func init() {
+ //~ logger := &StdLogger{}
+ //~ xmpp.Debug = logger
+ //~ xmpp.Info = logger
+ //~ xmpp.Warn = logger
+}
+
+func (botdata *XmppBot) handleEventsforXMPP(xmppout chan <- xmpp.Stanza, presence_events <- chan interface{}, jabber_events <- chan JabberEvent) {
+ var last_status_msg *string
+
+ defer func() {
+ if x := recover(); x != nil {
+ log.Printf("handleEventsforXMPP: run time panic: %v", x)
+ }
+ }()
+
+ for {
+ select {
+ case pe := <-presence_events:
+ switch pec := pe.(type) {
+ case xmpp.Stanza:
+ xmppout <- pec
+ continue
+ case string:
+ for to, jiddata := range botdata.realraum_jids_ {
+ if jiddata.Wants >= R3DebugInfo {
+ xmppout <- botdata.makeXMPPMessage(to, pec, nil)
+ }
+ }
+
+ case XMPPStatusEvent:
+ xmppout <- botdata.makeXMPPPresence("", "", pec.Show, pec.Status)
+
+ case XMPPMsgEvent:
+ if pec.RememberAsStatus {
+ last_status_msg = &pec.Msg
+ }
+ for to, jiddata := range botdata.realraum_jids_ {
+ if jiddata.Wants >= pec.DistributeLevel && ((jiddata.Wants >= R3OnlineOnlyInfo && jiddata.Online) || jiddata.Wants >= R3AlwaysInfo) {
+ xmppout <- botdata.makeXMPPMessage(to, pec.Msg, nil)
+ }
+ }
+ default:
+ break
+ }
+
+ case je := <-jabber_events:
+ simple_jid := removeJIDResource(je.JID)
+ jid_data, jid_in_map := botdata.realraum_jids_[simple_jid]
+ if jid_in_map {
+ if last_status_msg != nil && (je.StatusNow || (! jid_data.Online && je.Online && jid_data.Wants == R3OnlineOnlyWithRecapInfo) ) {
+ xmppout <- botdata.makeXMPPMessage(je.JID, last_status_msg, nil)
+ }
+ jid_data.Online = je.Online
+ if je.Wants > R3NoChange {
+ jid_data.Wants = je.Wants
+ }
+ botdata.realraum_jids_[simple_jid] = jid_data
+ botdata.realraum_jids_.saveTo(botdata.config_file_)
+ } else if je.Wants > R3NoChange {
+ botdata.realraum_jids_[simple_jid] = JidData{je.Online, je.Wants}
+ botdata.realraum_jids_.saveTo(botdata.config_file_)
+ }
+ }
+ }
+}
+
+func removeJIDResource(jid string) string {
+ var jidjid xmpp.JID
+ jidjid.Set(jid)
+ jidjid.Resource = ""
+ return jidjid.String()
+}
+
+func (botdata *XmppBot) isAuthenticated(jid string) bool {
+ authtime, in_map := botdata.jid_lastauthtime_[jid]
+ //~ log.Println("isAuthenticated", in_map, authtime, time.Now().Unix(), auth_timeout_, time.Now().Unix() - authtime > auth_timeout_)
+ return in_map && time.Now().Unix() - authtime < botdata.auth_timeout_
+}
+
+const help_text_ string = "\n*auth*<password>* ...Enables you to use more commands.\n*time* ...Returns bot time."
+const help_text_auth string = "You are authorized to use the following commands:\n*off* ...You will no longer receive notifications.\n*on* ...You will be notified of r3 status changes while you are online.\n*on_with_recap* ...Like *on* but additionally you will receive the current status when you come online.\n*on_while_offline* ...You will receive all r3 status changes, wether you are online or offline.\n*status* ...Use it to query the current status.\n*time* ...Returns bot time.\n*bye* ...Logout."
+
+//~ var re_msg_auth_ *regexp.Regexp = regexp.MustCompile("auth\s+(\S+)")
+
+func (botdata *XmppBot) handleIncomingMessageDialog(inmsg xmpp.Message, xmppout chan<- xmpp.Stanza, jabber_events chan JabberEvent) {
+ if inmsg.Body == nil || inmsg.GetHeader() == nil {
+ return
+ }
+ bodytext :=inmsg.Body.Chardata
+ //~ log.Println("Message Body:", bodytext)
+ if botdata.isAuthenticated(inmsg.GetHeader().From) {
+ switch bodytext {
+ case "on", "*on*":
+ jabber_events <- JabberEvent{inmsg.GetHeader().From, true, R3OnlineOnlyInfo, false}
+ xmppout <- botdata.makeXMPPMessage(inmsg.GetHeader().From, "Receive r3 status updates while online." , "Your New Status")
+ case "off", "*off*":
+ jabber_events <- JabberEvent{inmsg.GetHeader().From, true, R3NeverInfo, false}
+ xmppout <- botdata.makeXMPPMessage(inmsg.GetHeader().From, "Do not receive anything." , "Your New Status")
+ case "on_with_recap", "*on_with_recap*":
+ jabber_events <- JabberEvent{inmsg.GetHeader().From, true, R3OnlineOnlyWithRecapInfo, false}
+ xmppout <- botdata.makeXMPPMessage(inmsg.GetHeader().From, "Receive r3 status updates while and current status on coming, online." , "Your New Status")
+ case "on_while_offline", "*on_while_offline*":
+ jabber_events <- JabberEvent{inmsg.GetHeader().From, true, R3AlwaysInfo, false}
+ xmppout <- botdata.makeXMPPMessage(inmsg.GetHeader().From, "Receive all r3 status updates, even if you are offline." , "Your New Status")
+ case "debug":
+ jabber_events <- JabberEvent{inmsg.GetHeader().From, true, R3DebugInfo, false}
+ xmppout <- botdata.makeXMPPMessage(inmsg.GetHeader().From, "Debug mode enabled" , "Your New Status")
+ case "bye", "Bye", "quit", "logout", "*bye*":
+ botdata.jid_lastauthtime_[inmsg.GetHeader().From] = 0
+ xmppout <- botdata.makeXMPPMessage(inmsg.GetHeader().From, "Bye Bye !" ,nil)
+ case "open","close":
+ xmppout <- botdata.makeXMPPMessage(inmsg.GetHeader().From, "Sorry, I can't operate the door for you." ,nil)
+ case "status", "*status*":
+ jabber_events <- JabberEvent{inmsg.GetHeader().From, true, R3NoChange, true}
+ case "time", "*time*":
+ xmppout <- botdata.makeXMPPMessage(inmsg.GetHeader().From, time.Now().String() , nil)
+ default:
+ //~ auth_match = re_msg_auth_.FindStringSubmatch(inmsg.Body.Chardata)
+ xmppout <- botdata.makeXMPPMessage(inmsg.GetHeader().From, help_text_auth, nil)
+ }
+ } else {
+ switch bodytext {
+ case "Hilfe","hilfe","help","Help","?","hallo","Hallo","Yes","yes","ja","ja bitte","bitte","sowieso":
+ xmppout <- botdata.makeXMPPMessage(inmsg.GetHeader().From, help_text_, "Available Commands")
+ case botdata.auth_cmd_, botdata.auth_cmd2_:
+ botdata.jid_lastauthtime_[inmsg.GetHeader().From] = time.Now().Unix()
+ xmppout <- botdata.makeXMPPMessage(inmsg.GetHeader().From, help_text_auth, nil)
+ case "status", "*status*", "off", "*off*", "on", "*on*", "on_while_offline", "*on_while_offline*", "on_with_recap", "*on_with_recap*":
+ xmppout <- botdata.makeXMPPMessage(inmsg.GetHeader().From, "Sorry, you need to be authorized to do that." , nil)
+ case "time", "*time*":
+ xmppout <- botdata.makeXMPPMessage(inmsg.GetHeader().From, time.Now().String() , nil)
+ default:
+ //~ auth_match = re_msg_auth_.FindStringSubmatch(inmsg.Body.Chardata)
+ xmppout <- botdata.makeXMPPMessage(inmsg.GetHeader().From, "A nice day to you too !\nDo you need \"help\" ?", nil)
+ }
+ }
+}
+
+func (botdata *XmppBot) handleIncomingXMPPStanzas(xmppin <- chan xmpp.Stanza, xmppout chan<- xmpp.Stanza, jabber_events chan JabberEvent) {
+
+ defer func() {
+ if x := recover(); x != nil {
+ log.Printf("handleIncomingXMPPStanzas: run time panic: %v", x)
+ close(jabber_events)
+ }
+ }()
+
+ var incoming_stanza interface{}
+ for incoming_stanza = range xmppin {
+ switch stanza := incoming_stanza.(type) {
+ case *xmpp.Message:
+ botdata.handleIncomingMessageDialog(*stanza, xmppout, jabber_events)
+ case *xmpp.Presence:
+ if stanza.GetHeader() == nil {
+ continue
+ }
+ switch stanza.GetHeader().Type {
+ case "subscribe":
+ xmppout <- botdata.makeXMPPPresence(stanza.GetHeader().From, "subscribed", "", "")
+ jabber_events <- JabberEvent{stanza.GetHeader().From, true, R3NoChange, false}
+ xmppout <- botdata.makeXMPPPresence(stanza.GetHeader().From, "subscribe", "", "")
+ case "unsubscribe", "unsubscribed":
+ jabber_events <- JabberEvent{stanza.GetHeader().From, false, R3NeverInfo, false}
+ botdata.jid_lastauthtime_[stanza.GetHeader().From] = 0 //logout
+ xmppout <- botdata.makeXMPPPresence(stanza.GetHeader().From, "unsubscribe", "","")
+ case "unavailable":
+ jabber_events <- JabberEvent{stanza.GetHeader().From, false, R3NoChange, false}
+ botdata.jid_lastauthtime_[stanza.GetHeader().From] = 0 //logout
+ default:
+ jabber_events <- JabberEvent{stanza.GetHeader().From, true, R3NoChange, false}
+ }
+ case *xmpp.Iq:
+ if stanza.GetHeader() == nil {
+ continue
+ }
+ }
+ }
+}
+
+func NewStartedBot(loginjid, loginpwd, password, state_save_dir string, insecuretls bool) (*XmppBot, chan interface{}, error) {
+ var err error
+ botdata := new(XmppBot)
+
+ botdata.realraum_jids_ = make(map[string]JidData, 1)
+ botdata.jid_lastauthtime_ = make(map[string]int64,1)
+ botdata.auth_cmd_ = "auth " + password
+ botdata.auth_cmd2_ = "*auth*" + password+"*"
+ botdata.my_jid_ = loginjid
+ botdata.my_login_password_ = loginpwd
+ botdata.auth_timeout_ = 3600*2
+
+ botdata.config_file_ = path.Join(state_save_dir, "r3xmpp."+removeJIDResource(loginjid)+".json")
+
+ //~ log.Println(botdata.config_file_)
+
+ //~ logger := &StdLogger{}
+ //~ xmpp.Debug = logger
+ //~ xmpp.Info = logger
+ //~ xmpp.Warn = logger
+
+ xmpp.TlsConfig = tls.Config{InsecureSkipVerify: insecuretls}
+ botdata.realraum_jids_.loadFrom(botdata.config_file_)
+
+ client_jid := new(xmpp.JID)
+ client_jid.Set(botdata.my_jid_)
+ botdata.xmppclient_, err = xmpp.NewClient(client_jid, botdata.my_login_password_, nil)
+ if err != nil {
+ log.Println("Error connecting to xmpp server", err)
+ return nil, nil, err
+ }
+
+ err = botdata.xmppclient_.StartSession(true, &xmpp.Presence{})
+ if err != nil {
+ log.Println("'Error StartSession:", err)
+ return nil, nil, err
+ }
+
+ roster := xmpp.Roster(botdata.xmppclient_)
+ for _, entry := range roster {
+ if entry.Subscription == "from" {
+ botdata.xmppclient_.Out <- botdata.makeXMPPPresence(entry.Jid, "subscribe", "","")
+ }
+ if entry.Subscription == "none" {
+ delete(botdata.realraum_jids_, entry.Jid)
+ }
+ }
+
+ presence_events := make(chan interface{},1)
+ jabber_events := make(chan JabberEvent,1)
+
+ go botdata.handleEventsforXMPP(botdata.xmppclient_.Out, presence_events, jabber_events)
+ go botdata.handleIncomingXMPPStanzas(botdata.xmppclient_.In, botdata.xmppclient_.Out, jabber_events)
+
+ botdata.presence_events_ = &presence_events
+
+ return botdata, presence_events, nil
+}
+
+func (botdata *XmppBot) StopBot() {
+ if botdata.xmppclient_ != nil {
+ close(botdata.xmppclient_.Out)
+ }
+ if botdata.presence_events_ != nil {
+ *botdata.presence_events_ <- false
+ close(*botdata.presence_events_)
+ }
+}
projects / svn42.git / blobdiff