diff --git a/src/main/java/eu/siacs/conversations/xmpp/jid/Jid.java b/src/main/java/eu/siacs/conversations/xmpp/jid/Jid.java index ebf8a6ed7..c156b8b6f 100644 --- a/src/main/java/eu/siacs/conversations/xmpp/jid/Jid.java +++ b/src/main/java/eu/siacs/conversations/xmpp/jid/Jid.java @@ -68,8 +68,9 @@ public final class Jid { if (jid.isEmpty() || jid.length() > 3071) { throw new InvalidJidException(InvalidJidException.INVALID_LENGTH); } - if (atCount > 1 || slashCount > 1 || - jid.startsWith("@") || jid.endsWith("@") || + + // Go ahead and check if the localpart or resourcepart is empty. + if (jid.startsWith("@") || jid.endsWith("@") || jid.startsWith("/") || jid.endsWith("/")) { throw new InvalidJidException(InvalidJidException.INVALID_CHARACTER); } @@ -77,7 +78,7 @@ public final class Jid { String finaljid; final int domainpartStart; - if (atCount == 1) { + if (atCount >= 1) { final int atLoc = jid.indexOf("@"); final String lp = jid.substring(0, atLoc); try { @@ -97,7 +98,7 @@ public final class Jid { } final String dp; - if (slashCount == 1) { + if (slashCount >= 1) { final int slashLoc = jid.indexOf("/"); final String rp = jid.substring(slashLoc + 1, jid.length()); try {