Improve logging, handle mentions

actor.go

@@ -192,10 +192,8 @@ func (a *Actor) NewFollower(iri string, inbox string) error {
 func (a *Actor) RemoveFollower(iri string) error {
 	if _, ok := a.followers[iri]; ok {
 		delete(a.followers, iri)
-		fmt.Println("Removed follower: ", iri)
 		return a.save()
 	}
-	fmt.Println(iri, "is not following")
 	return nil
 }
 

http.go

@@ -10,6 +10,7 @@ import (
 	"net/url"
 	"os"
 	"regexp"
+	"strings"
 	"time"
 	"willnorris.com/go/webmention"
 )
@@ -81,14 +82,6 @@ func Serve() {
 			w.WriteHeader(http.StatusNotFound)
 			return
 		}
-		f, err := os.OpenFile(storage+slash+"actors"+slash+actor.Name+slash+"inbox", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
-		if err != nil {
-			w.WriteHeader(http.StatusInternalServerError)
-			return
-		}
-		defer func() { _ = f.Close() }()
-		_, _ = f.Write(b)
-		_, _ = f.WriteString("\n---\n")
 		switch activity["type"] {
 		case "Follow":
 			actor.Accept(activity)
@@ -106,19 +99,23 @@ func Serve() {
 		case "Create":
 			{
 				if object, ok := activity["object"].(map[string]interface{}); ok {
-					inReplyTo, ok := object["inReplyTo"].(string)
-					id, ok2 := object["id"].(string)
-					if ok && ok2 && len(inReplyTo) > 0 && len(id) > 0 {
+					inReplyTo, hasReplyToString := object["inReplyTo"].(string)
+					id, hasId := object["id"].(string)
+					if hasReplyToString && hasId && len(inReplyTo) > 0 && len(id) > 0 {
+						// It's an ActivityPub reply
+						fmt.Println("Received reply to:", inReplyTo)
 						webmentionClient := webmention.New(nil)
-						endpoint, err := webmentionClient.DiscoverEndpoint(inReplyTo)
-						if err != nil || len(endpoint) < 1 {
+						sendWebmention(webmentionClient, actor, id, inReplyTo)
+					} else if hasId && len(id) > 0 {
+						// May be a mention
+						webmentionClient := webmention.New(nil)
+						dl, err := webmentionClient.DiscoverLinks(id, "")
+						if err != nil {
 							return
 						}
-						_, err = webmentionClient.SendWebmention(endpoint, id, inReplyTo)
-						if err != nil {
-							log.Println("Sending webmention to " + inReplyTo + " failed")
-						} else {
-							log.Println("Sent webmention to " + inReplyTo)
+						// Send Webmentions
+						for _, link := range dl {
+							sendWebmention(webmentionClient, actor, id, link)
 						}
 					}
 				}
@@ -127,9 +124,11 @@ func Serve() {
 			{
 				if object, ok := activity["object"].(string); ok && len(object) > 0 && activity["actor"] == object {
 					_ = actor.RemoveFollower(object)
-					fmt.Println("Deleted", object)
 				}
 			}
+		default:
+			// Log inbox request
+			logInbox(actor, b)
 		}
 		// Return 201
 		w.WriteHeader(http.StatusCreated)
@@ -144,3 +143,30 @@ func Serve() {
 
 	log.Fatal(http.ListenAndServe(":8081", nil))
 }
+
+func logInbox(actor *Actor, b []byte) {
+	f, err := os.OpenFile(storage+slash+"actors"+slash+actor.Name+slash+"inbox", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+	if err != nil {
+		return
+	}
+	defer func() { _ = f.Close() }()
+	_, _ = f.Write(b)
+	_, _ = f.WriteString("\n---\n")
+}
+
+func sendWebmention(client *webmention.Client, actor *Actor, mentioningLink, mentionedLink string) {
+	if !strings.Contains(mentionedLink, actor.iri) {
+		// Not mention of blog
+		return
+	}
+	endpoint, err := client.DiscoverEndpoint(mentionedLink)
+	if err != nil || len(endpoint) < 1 {
+		return
+	}
+	_, err = client.SendWebmention(endpoint, mentioningLink, mentionedLink)
+	if err != nil {
+		log.Println("Sending webmention to " + mentionedLink + " failed")
+		return
+	}
+	log.Println("Sent webmention to " + mentionedLink)
+}