From cde193ed381f8734701649fa6af6b77560c2682f Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Wed, 13 Apr 2022 15:43:19 +0300
Subject: ActivityPub: handle like exceptions

---
 src/main/java/com/juick/ActivityPubManager.java | 29 +++++++++++++++----------
 1 file changed, 18 insertions(+), 11 deletions(-)

(limited to 'src/main/java/com/juick/ActivityPubManager.java')

diff --git a/src/main/java/com/juick/ActivityPubManager.java b/src/main/java/com/juick/ActivityPubManager.java
index 621a89c2..b0e77c63 100644
--- a/src/main/java/com/juick/ActivityPubManager.java
+++ b/src/main/java/com/juick/ActivityPubManager.java
@@ -411,17 +411,24 @@ public class ActivityPubManager implements ActivityListener, NotificationListene
         announce.setActor(personUri(user));
         announce.setTo(Collections.singletonList(Context.ACTIVITYSTREAMS_PUBLIC));
         announce.setObject(note);
-        Actor me = (Actor) signatureManager.getContext(URI.create(announce.getActor())).get();
-        socialService.getFollowers(user).forEach(acct -> {
-            var follower = signatureManager.getContext(URI.create(acct));
-            follower.ifPresentOrElse((person) -> {
-                try {
-                    logger.info("{} announcing {} to {}", user.getName(), message.getMid(), acct);
-                    signatureManager.post(me, (Actor)person, announce);
-                } catch (IOException | NoSuchAlgorithmException e) {
-                    logger.warn("activitypub exception", e);
-                }
-            }, () -> logger.warn("Follower not found: {}", acct));
+        signatureManager.getContext(URI.create(announce.getActor())).ifPresentOrElse((ctx) -> {
+            if (ctx instanceof Actor) {
+                socialService.getFollowers(user).forEach(acct -> {
+                    var follower = signatureManager.getContext(URI.create(acct));
+                    follower.ifPresentOrElse((person) -> {
+                        try {
+                            logger.info("{} announcing {} to {}", user.getName(), message.getMid(), acct);
+                            signatureManager.post((Actor)ctx, (Actor) person, announce);
+                        } catch (IOException | NoSuchAlgorithmException e) {
+                            logger.warn("activitypub exception", e);
+                        }
+                    }, () -> logger.warn("Follower not found: {}", acct));
+                });
+            } else {
+                logger.warn("Unhandled context: {}", announce.getActor());
+            }
+        }, () -> {
+            logger.warn("Context not found: {}", announce.getActor());
         });
     }
     public User actorToUser(URI uri) throws HttpBadRequestException {
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