From 72aaf2417ecb10696538ab0e0762e732328c64ac Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Tue, 24 Aug 2021 18:24:33 +0300
Subject: ActivityPub: add DirectMessageEvent, fix Undo event

---
 .../service/activities/DirectMessageEvent.java     | 38 ++++++++++++++++++++++
 .../java/com/juick/www/api/activity/Profile.java   | 22 ++++++++-----
 2 files changed, 51 insertions(+), 9 deletions(-)
 create mode 100644 src/main/java/com/juick/service/activities/DirectMessageEvent.java

(limited to 'src')

diff --git a/src/main/java/com/juick/service/activities/DirectMessageEvent.java b/src/main/java/com/juick/service/activities/DirectMessageEvent.java
new file mode 100644
index 00000000..7c396c91
--- /dev/null
+++ b/src/main/java/com/juick/service/activities/DirectMessageEvent.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2008-2021, Juick
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.juick.service.activities;
+
+import com.juick.www.api.activity.model.objects.Note;
+import org.springframework.context.ApplicationEvent;
+
+public class DirectMessageEvent extends ApplicationEvent {
+    private final Note message;
+    /**
+     * Create a new ApplicationEvent.
+     *
+     * @param source the object on which the event initially occurred (never {@code null})
+     */
+    public DirectMessageEvent(Object source, Note message) {
+        super(source);
+        this.message = message;
+    }
+
+    public Note getMessage() {
+        return message;
+    }
+}
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 cf5fb843..eb8909b5 100644
--- a/src/main/java/com/juick/www/api/activity/Profile.java
+++ b/src/main/java/com/juick/www/api/activity/Profile.java
@@ -48,6 +48,7 @@ import com.juick.www.WebApp;
 import com.juick.service.MessagesService;
 import com.juick.service.UserService;
 import com.juick.service.activities.AnnounceEvent;
+import com.juick.service.activities.DirectMessageEvent;
 import com.juick.service.activities.FollowEvent;
 import com.juick.service.activities.UndoAnnounceEvent;
 import com.juick.service.activities.UndoFollowEvent;
@@ -297,17 +298,15 @@ public class Profile {
 
             }
             if (activity instanceof Undo) {
-                Map object = (Map) activity.getObject();
-                String objectType = (String) object.get("type");
-                String objectObject = (String) object.get("object");
-                if (objectType.equals("Follow")) {
+                Activity object = (Activity) activity.getObject();
+                if (object instanceof Follow) {
                     applicationEventPublisher
-                            .publishEvent(new UndoFollowEvent(this, activity.getActor(), objectObject));
+                            .publishEvent(new UndoFollowEvent(this, activity.getActor(), object.getObject().getId()));
                     return new ResponseEntity<>(CommandResult.fromString("Undo follow request accepted"),
                             HttpStatus.OK);
-                } else if (objectType.equals("Like") || objectType.equals("Announce")) {
+                } else if (object instanceof Like || object instanceof Announce) {
                     applicationEventPublisher
-                            .publishEvent(new UndoAnnounceEvent(this, activity.getActor(), objectObject));
+                            .publishEvent(new UndoAnnounceEvent(this, activity.getActor(), object.getObject().getId()));
                     return new ResponseEntity<>(CommandResult.fromString("Undo like/announce request accepted"),
                             HttpStatus.OK);
                 }
@@ -364,10 +363,15 @@ public class Profile {
                                     if (result.getNewMessage().isPresent()) {
                                         messagesService.updateReplyUri(result.getNewMessage().get(), noteId);
                                         return new ResponseEntity<>(result, HttpStatus.OK);
-                                    } else {
-                                        return new ResponseEntity<>(result, HttpStatus.BAD_REQUEST);
                                     }
                                 }
+                                return new ResponseEntity<>(CommandResult.fromString("Invalid recipient"), HttpStatus.BAD_REQUEST);
+                            }
+                        } 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);
                             }
                         }
                     }
-- 
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