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279 lines
7.1 KiB
279 lines
7.1 KiB
package main
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import (
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"context"
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"encoding/xml"
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"errors"
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"fmt"
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"gosrc.io/xmpp"
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"gosrc.io/xmpp/stanza"
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"log"
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"time"
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)
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const (
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userJID = "testuser2@localhost"
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serverAddress = "localhost:5222"
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nodeName = "lel_node"
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serviceName = "pubsub.localhost"
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)
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var invalidResp = errors.New("invalid response")
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func main() {
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config := xmpp.Config{
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TransportConfiguration: xmpp.TransportConfiguration{
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Address: serverAddress,
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},
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Jid: userJID,
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Credential: xmpp.Password("pass123"),
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// StreamLogger: os.Stdout,
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Insecure: true,
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}
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router := xmpp.NewRouter()
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router.NewRoute().Packet("message").
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HandlerFunc(func(s xmpp.Sender, p stanza.Packet) {
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data, _ := xml.Marshal(p)
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log.Println("Received a message ! => \n" + string(data))
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})
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client, err := xmpp.NewClient(config, router, func(err error) { log.Println(err) })
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if err != nil {
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log.Fatalf("%+v", err)
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}
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// ==========================
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// Client connection
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err = client.Connect()
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if err != nil {
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log.Fatalf("%+v", err)
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}
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// ==========================
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// Create a node
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ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
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createNode(ctx, cancel, client)
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// ================================================================================
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// Configure the node. This can also be done in a single message with the creation
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configureNode(ctx, cancel, client)
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// ====================================
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// Subscribe to this node :
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subToNode(ctx, cancel, client)
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// ==========================
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// Publish to that node
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pubToNode(ctx, cancel, client)
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// =============================
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// Let's purge the node :
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purgeRq, _ := stanza.NewPurgeAllItems(serviceName, nodeName)
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purgeCh, err := client.SendIQ(ctx, purgeRq)
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if err != nil {
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log.Fatalf("could not send purge request: %v", err)
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}
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select {
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case purgeResp := <-purgeCh:
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if purgeResp.Type == stanza.IQTypeError {
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cancel()
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if vld, err := purgeResp.IsValid(); !vld {
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log.Fatalf(invalidResp.Error()+" %v"+" reason: %v", purgeResp, err)
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}
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log.Fatalf("error while purging node : %s", purgeResp.Error.Text)
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}
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log.Println("node successfully purged")
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case <-time.After(1000 * time.Millisecond):
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cancel()
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log.Fatal("No iq response was received in time while purging node")
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}
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cancel()
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}
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func createNode(ctx context.Context, cancel context.CancelFunc, client *xmpp.Client) {
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rqCreate, err := stanza.NewCreateNode(serviceName, nodeName)
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if err != nil {
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log.Fatalf("%+v", err)
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}
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createCh, err := client.SendIQ(ctx, rqCreate)
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if err != nil {
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log.Fatalf("%+v", err)
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} else {
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if createCh != nil {
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select {
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case respCr := <-createCh:
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// Got response from server
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if respCr.Type == stanza.IQTypeError {
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if vld, err := respCr.IsValid(); !vld {
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log.Fatalf(invalidResp.Error()+" %+v"+" reason: %s", respCr, err)
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}
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if respCr.Error.Reason != "conflict" {
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log.Fatalf("%+v", respCr.Error.Text)
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}
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log.Println(respCr.Error.Text)
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} else {
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fmt.Print("successfully created channel")
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}
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case <-time.After(100 * time.Millisecond):
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cancel()
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log.Fatal("No iq response was received in time while creating node")
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}
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}
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}
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}
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func configureNode(ctx context.Context, cancel context.CancelFunc, client *xmpp.Client) {
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// First, ask for a form with the config options
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confRq, _ := stanza.NewConfigureNode(serviceName, nodeName)
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confReqCh, err := client.SendIQ(ctx, confRq)
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if err != nil {
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log.Fatalf("could not send iq : %v", err)
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}
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select {
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case confForm := <-confReqCh:
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// If the request was successful, we now have a form with configuration options to update
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fields, err := confForm.GetFormFields()
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if err != nil {
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log.Fatal("No config fields found !")
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}
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// These are some common fields expected to be present. Change processing to your liking
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if fields["pubsub#max_payload_size"] != nil {
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fields["pubsub#max_payload_size"].ValuesList[0] = "100000"
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}
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if fields["pubsub#notification_type"] != nil {
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fields["pubsub#notification_type"].ValuesList[0] = "headline"
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}
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// Send the modified fields as a form
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submitConf, err := stanza.NewFormSubmissionOwner(serviceName,
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nodeName,
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[]*stanza.Field{
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fields["pubsub#max_payload_size"],
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fields["pubsub#notification_type"],
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})
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c, _ := client.SendIQ(ctx, submitConf)
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select {
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case confResp := <-c:
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if confResp.Type == stanza.IQTypeError {
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cancel()
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if vld, err := confResp.IsValid(); !vld {
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log.Fatalf(invalidResp.Error()+" %v"+" reason: %v", confResp, err)
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}
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log.Fatalf("node configuration failed : %s", confResp.Error.Text)
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}
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log.Println("node configuration was successful")
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return
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case <-time.After(300 * time.Millisecond):
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cancel()
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log.Fatal("No iq response was received in time while configuring the node")
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}
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case <-time.After(300 * time.Millisecond):
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cancel()
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log.Fatal("No iq response was received in time while asking for the config form")
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}
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}
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func subToNode(ctx context.Context, cancel context.CancelFunc, client *xmpp.Client) {
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rqSubscribe, err := stanza.NewSubRq(serviceName, stanza.SubInfo{
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Node: nodeName,
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Jid: userJID,
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})
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if err != nil {
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log.Fatalf("%+v", err)
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}
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subRespCh, _ := client.SendIQ(ctx, rqSubscribe)
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if subRespCh != nil {
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select {
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case <-subRespCh:
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log.Println("Subscribed to the service")
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case <-time.After(300 * time.Millisecond):
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cancel()
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log.Fatal("No iq response was received in time while subscribing")
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}
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}
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}
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func pubToNode(ctx context.Context, cancel context.CancelFunc, client *xmpp.Client) {
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pub, err := stanza.NewPublishItemRq(serviceName, nodeName, "", stanza.Item{
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Publisher: "testuser2",
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Any: &stanza.Node{
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XMLName: xml.Name{
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Space: "http://www.w3.org/2005/Atom",
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Local: "entry",
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},
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Nodes: []stanza.Node{
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{
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XMLName: xml.Name{Space: "", Local: "title"},
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Attrs: nil,
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Content: "My pub item title",
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Nodes: nil,
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},
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{
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XMLName: xml.Name{Space: "", Local: "summary"},
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Attrs: nil,
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Content: "My pub item content summary",
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Nodes: nil,
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},
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{
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XMLName: xml.Name{Space: "", Local: "link"},
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Attrs: []xml.Attr{
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{
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Name: xml.Name{Space: "", Local: "rel"},
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Value: "alternate",
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},
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{
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Name: xml.Name{Space: "", Local: "type"},
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Value: "text/html",
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},
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{
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Name: xml.Name{Space: "", Local: "href"},
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Value: "http://denmark.lit/2003/12/13/atom03",
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},
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},
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},
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{
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XMLName: xml.Name{Space: "", Local: "id"},
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Attrs: nil,
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Content: "My pub item content ID",
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Nodes: nil,
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},
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{
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XMLName: xml.Name{Space: "", Local: "published"},
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Attrs: nil,
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Content: "2003-12-13T18:30:02Z",
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Nodes: nil,
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},
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{
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XMLName: xml.Name{Space: "", Local: "updated"},
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Attrs: nil,
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Content: "2003-12-13T18:30:02Z",
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Nodes: nil,
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},
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},
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},
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})
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if err != nil {
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log.Fatalf("%+v", err)
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}
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pubRespCh, _ := client.SendIQ(ctx, pub)
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if pubRespCh != nil {
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select {
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case <-pubRespCh:
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log.Println("Published item to the service")
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case <-time.After(300 * time.Millisecond):
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cancel()
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log.Fatal("No iq response was received in time while publishing")
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}
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}
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}
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