ActivityPub: mentions with @user@server.tld

1 files changed, 14 insertions, 5 deletions

diff --git a/juick-common/src/main/java/com/juick/util/MessageUtils.java b/juick-common/src/main/java/com/juick/util/MessageUtils.java
index 62616bdf..fd357c32 100644
--- a/juick-common/src/main/java/com/juick/util/MessageUtils.java
+++ b/juick-common/src/main/java/com/juick/util/MessageUtils.java
@@ -71,6 +71,9 @@ public class MessageUtils {
     private final static String usernameRegex = "((?<=\\s)|(?<=\\A))@([\\w\\-]{2,16})((?=\\s)|(?=\\Z)|(?=\\p{Punct}))";
     private final static Pattern usernamePattern = Pattern.compile(usernameRegex);
 
+    private final static String jidRegex = "((?<=\\s)|(?<=\\A))@([\\w\\-\\.]+@[\\w\\-\\.]+)((?=\\s)|(?=\\Z)|(?=\\p{Punct}))";
+    private final static Pattern jidPattern = Pattern.compile(jidRegex);
+
     public static String formatMessageCode(String msg) {
         msg = msg.replaceAll("&", "&amp;");
         msg = msg.replaceAll("<", "&lt;");
@@ -138,7 +141,7 @@ public class MessageUtils {
 
         // @username@jabber.org
         // <a href="http://juick.com/username@jabber.org/">@username@jabber.org</a>
-        msg = msg.replaceAll("((?<=\\s)|(?<=\\A))@([\\w\\-\\.]+@[\\w\\-\\.]+)((?=\\s)|(?=\\Z)|(?=\\p{Punct}))", "$1<a href=\"https://juick.com/$2/\">@$2</a>$3");
+        msg = msg.replaceAll(jidRegex, "$1<a href=\"https://juick.com/$2/\">@$2</a>$3");
 
         // @username
         // <a href="http://juick.com/username/">@username</a>
@@ -304,12 +307,18 @@ public class MessageUtils {
         }
         return input;
     }
-    public static List<String> getMentions(Message msg) {
-        Matcher usernameMatcher = usernamePattern.matcher(msg.getText());
+    private static List<String> collectMatches(Pattern pattern, String input) {
+        Matcher matcher = pattern.matcher(input);
         List<String> result = new ArrayList<>();
-        while (usernameMatcher.find()) {
-            result.add(usernameMatcher.group());
+        while (matcher.find()) {
+            result.add(matcher.group());
         }
         return result;
     }
+    public static List<String> getMentions(Message msg) {
+        return collectMatches(usernamePattern, msg.getText());
+    }
+    public static List<String> getGlobalMentions(Message msg) {
+        return collectMatches(jidPattern, msg.getText());
+    }
 }