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https://salsa.debian.org/mdosch/feed-to-muc.git
synced 2024-09-19 23:10:52 +02:00
Reworked the ping functions and stanza processing.
This commit is contained in:
Martin Dosch
parent
3bdfea029e
commit
5a5014d449
1 changed files with 70 additions and 44 deletions
114
feed-to-muc.go
114
feed-to-muc.go
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@ -16,9 +16,17 @@ import (
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"github.com/mattn/go-xmpp"
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)
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// Variables defined globally as they are used by functions pingMUC
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// and processStanzas.
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var (
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id string
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err error
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pingSent time.Time
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pingReceived bool
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)
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func main() {
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var err error
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var configPath, configFile string
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type configuration struct {
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@ -132,6 +140,9 @@ func main() {
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// Starting goroutine to ping the MUC every 30 seconds.
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go pingMUC(client, config.BotJid, config.Muc, config.MucNick)
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// Starting goroutine to process received stanzas.
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go processStanzas(client)
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for {
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// Check all configured feeds for new articles and send
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// new articles to configured MUC.
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@ -163,59 +174,22 @@ func pingMUC(client *xmpp.Client, botJid string, Muc string, MucNick string) {
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time.Sleep(30 * time.Second)
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// Send ping to own MUC participant to check we are still joined.
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id, err := client.RawInformation(botJid, Muc+"/"+MucNick, sid.Id(),
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id, err = client.RawInformation(botJid, Muc+"/"+MucNick, sid.Id(),
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"get", "<ping xmlns='urn:xmpp:ping'/>")
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if err != nil {
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log.Fatal(err)
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}
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pingSent := time.Now()
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pingReceived := false
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pingSent = time.Now()
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pingReceived = false
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// Check for result IQ as long as there was no reply yet.
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for (time.Since(pingSent).Seconds() < 10.0) && (pingReceived == false) {
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// Receive stanzas. ToDo: Receive stanzas continiously without 30s delay.
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stanza, err := client.Recv()
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if err != nil {
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log.Fatal(err)
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}
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// Check IQs for ping results and disco#info queries.
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switch v := stanza.(type) {
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case xmpp.IQ:
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if (v.Type == "error") && (v.ID == id) {
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log.Fatal("MUC not available.")
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}
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if (v.Type == "result") && (v.ID == id) {
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pingReceived = true
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}
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if v.Type == "get" {
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// Reply to disco#info requests according to https://xmpp.org/extensions/xep-0030.html.
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if strings.Contains(string(v.Query),
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"<query xmlns='http://jabber.org/protocol/disco#info'/>") == true {
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_, err := client.RawInformation(client.JID(), v.From, v.ID,
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"result", "<query xmlns='http://jabber.org/protocol/disco#info'>"+
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"<identity category='client' type='bot' name='feedbot'/>"+
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"<feature var='http://jabber.org/protocol/disco#info'/></query>")
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if err != nil {
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log.Fatal(err)
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}
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} else {
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// Send error replies for all other IQs.
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_, err := client.RawInformation(client.JID(), v.From, v.ID, "error", string(v.Query)+
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"<error type='cancel'><feature-not-implemented "+
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"xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/><error/>")
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if err != nil {
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log.Fatal(err)
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}
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}
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}
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default:
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time.Sleep(1 * time.Second)
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if pingReceived == true {
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break
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}
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}
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// Quit if no ping reply was received.
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if pingReceived == false {
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@ -236,3 +210,55 @@ func pingServer(client *xmpp.Client, server string, botJid string) {
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}
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}
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}
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func processStanzas(client *xmpp.Client) {
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for { // Receive stanzas. ToDo: Receive stanzas continiously without 30s delay.
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stanza, err := client.Recv()
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if err != nil {
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log.Fatal(err)
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}
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// Check IQs for ping results and disco#info queries.
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switch v := stanza.(type) {
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case xmpp.IQ:
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if (v.Type == "error") && (v.ID == id) {
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log.Fatal("MUC not available.")
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}
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if (v.Type == "result") && (v.ID == id) {
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pingReceived = true
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}
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if v.Type == "get" {
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// Reply to disco#info requests according to https://xmpp.org/extensions/xep-0030.html.
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if strings.Contains(string(v.Query),
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"<query xmlns='http://jabber.org/protocol/disco#info'/>") == true {
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_, err := client.RawInformation(client.JID(), v.From, v.ID,
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"result", "<query xmlns='http://jabber.org/protocol/disco#info'>"+
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"<identity category='client' type='bot' name='feedbot'/>"+
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"<feature var='http://jabber.org/protocol/disco#info'/></query>")
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if err != nil {
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log.Fatal(err)
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}
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} else if strings.Contains(string(v.Query), "<ping xmlns='urn:xmpp:ping'/>") == true {
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// Reply to pings.
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_, err := client.RawInformation(client.JID(), v.From, v.ID, "result", "")
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if err != nil {
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log.Fatal(err)
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}
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} else {
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// Send error replies for all other IQs.
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_, err := client.RawInformation(client.JID(), v.From, v.ID, "error",
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"<error type='cancel'><service-unavailable "+
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"xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/></error>")
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if err != nil {
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log.Fatal(err)
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}
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}
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}
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default:
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break
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}
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}
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}
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