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Code Issues Releases Wiki Activity

Make PubSubManager.getNode(String) more robust

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I've got reports from users that in some cases there can be multiple
identities. Not just one, and in this case, the node type may not be the
first identity. We now iterate over all identities until we either found
one of type "leaf" or "collection".

For example one user reports an ejabberd with PEP case, where the first
identity is of type "pep", the second of type "leaf" and a third one
with category "account" and type "registered".

Also extend DiscoverInfo API with hasIdentity(String, String) and
getIdentities(String, String).
This commit is contained in:
Florian Schmaus 2014-10-16 17:43:44 +02:00
parent 8d7b329432
commit 17bb738e9e
2 changed files with 52 additions and 5 deletions
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23
smack-extensions/src/main/java/org/jivesoftware/smackx/pubsub/PubSubManager.java
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@ -171,11 +171,24 @@ final public class PubSubManager
info.setNode(id);
DiscoverInfo infoReply = (DiscoverInfo) con.createPacketCollectorAndSend(info).nextResultOrThrow();
if (infoReply.getIdentities().get(0).getType().equals(NodeType.leaf.toString()))
node = new LeafNode(con, id);
else
node = new CollectionNode(con, id);
if (infoReply.hasIdentity(PubSub.ELEMENT, "leaf")) {
node = new LeafNode(con, id);
}
else if (infoReply.hasIdentity(PubSub.ELEMENT, "collection")) {
node = new CollectionNode(con, id);
}
else {
// XEP-60 5.3 states that
// "The 'disco#info' result MUST include an identity with a category of 'pubsub' and a type of either 'leaf' or 'collection'."
// If this is not the case, then we are dealing with an PubSub implementation that doesn't follow the specification.
throw new AssertionError(
"PubSub service '"
+ to
+ "' returned disco info result for node '"
+ id
+ "', but it did not contain an Identity of type 'leaf' or 'collection' (and category 'pubsub'), which is not allowed according to XEP-60 5.3.");
}
node.setTo(to);
nodeMap.put(id, node);
}