From 174c1af0738a3839586aa3b932540ad9c0c9537b Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Fri, 27 Aug 2021 13:27:05 +0300
Subject: ActivityPub: respond with NOT_FOUND when message is not found

---
 src/main/java/com/juick/www/api/activity/Profile.java | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

(limited to 'src/main/java/com/juick/www/api/activity')

diff --git a/src/main/java/com/juick/www/api/activity/Profile.java b/src/main/java/com/juick/www/api/activity/Profile.java
index c2b36cbe..618ae387 100644
--- a/src/main/java/com/juick/www/api/activity/Profile.java
+++ b/src/main/java/com/juick/www/api/activity/Profile.java
@@ -77,6 +77,7 @@ import java.io.InputStream;
 import java.net.URI;
 import java.nio.charset.StandardCharsets;
 import java.util.List;
+import java.util.NoSuchElementException;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
@@ -274,12 +275,15 @@ public class Profile {
     @GetMapping(value = "/n/{mid}-{rid}", produces = { Context.LD_JSON_MEDIA_TYPE,
             Context.ACTIVITYSTREAMS_PROFILE_MEDIA_TYPE })
     public Context showNote(@PathVariable int mid, @PathVariable int rid) {
-        if (rid > 0) {
-            // reply
-            return Context.build(activityPubManager.makeNote(messagesService.getReply(mid, rid)));
+        try {
+            Message message = rid > 0 ? messagesService.getReply(mid, rid) : messagesService.getMessage(mid).get();
+            if (message != null) {
+                return Context.build(activityPubManager.makeNote(message));
+            }
+        } catch (NoSuchElementException e) {
+            throw new HttpNotFoundException();
         }
-        return Context.build(
-                activityPubManager.makeNote(messagesService.getMessage(mid).orElseThrow(IllegalStateException::new)));
+        throw new HttpNotFoundException();
     }
 
     @PostMapping(value = "/api/inbox", consumes = { Context.LD_JSON_MEDIA_TYPE,
@@ -362,13 +366,14 @@ public class Profile {
                                         messagesService.updateReplyUri(result.getNewMessage().get(), noteId);
                                         return new ResponseEntity<>(result, HttpStatus.OK);
                                     }
-                                }                                
+                                }
                             }
                         } else {
                             if (note.getTo().stream().anyMatch(recipient -> recipient.startsWith(baseUri))) {
                                 logger.warn("Possible direct message from {}", note.getAttributedTo());
                                 applicationEventPublisher.publishEvent(new DirectMessageEvent(this, note));
-                                return new ResponseEntity<>(CommandResult.fromString("Message accepted"), HttpStatus.ACCEPTED);
+                                return new ResponseEntity<>(CommandResult.fromString("Message accepted"),
+                                        HttpStatus.ACCEPTED);
                             }
                         }
                         logger.warn("Request with invalid recipient from {}", activity.getActor());
-- 
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