fix index out of bounds

1 files changed, 5 insertions, 2 deletions

diff --git a/juick-server/src/main/java/com/juick/server/api/activity/Profile.java b/juick-server/src/main/java/com/juick/server/api/activity/Profile.java
index 5328a592..b016afc9 100644
--- a/juick-server/src/main/java/com/juick/server/api/activity/Profile.java
+++ b/juick-server/src/main/java/com/juick/server/api/activity/Profile.java
@@ -287,8 +287,11 @@ public class Profile {
                             String postId = uri.getPath().substring(uri.getPath().lastIndexOf('/') + 1).replace("-", "/");
                             User user = new User();
                             user.setUri(URI.create(activity.getActor()));
-                            Map<String, Object> attachmentObj = (Map<String, Object> )((List<Object>) note.get("attachment")).get(0);
-                            String attachment = note.get("attachment") != null ? (String)attachmentObj.get("url") : StringUtils.EMPTY;
+                            String attachment = StringUtils.EMPTY;
+                            if (note.get("attachment") != null && ((List)note.get("attachment")).size() > 0) {
+                                Map<String, Object> attachmentObj = (Map<String, Object>) ((List<Object>) note.get("attachment")).get(0);
+                                attachment = (String) attachmentObj.get("url");
+                            }
                             CommandResult result = commandsManager.processCommand(user, String.format("#%s %s", postId, note.get("content")), URI.create(attachment));
                             logger.info(jsonMapper.writeValueAsString(result));
                             if (result.getNewMessage().isPresent()) {