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Fix Socks5BytestreamManager.determineProxies()

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We need to catch XMPPErrorException and *NoResponseException* and
blacklist those entities.
This commit is contained in:
Florian Schmaus 2014-03-23 14:57:18 +01:00
parent 010a86444a
commit 18d0dbdc5f
1 changed files with 28 additions and 22 deletions
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50
extensions/src/main/java/org/jivesoftware/smackx/bytestreams/socks5/Socks5BytestreamManager.java
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@ -557,7 +557,7 @@ public final class Socks5BytestreamManager implements BytestreamManager {
List<String> proxies = new ArrayList<String>(); List<String> proxies = new ArrayList<String>();
// get all items form XMPP server // get all items from XMPP server
DiscoverItems discoverItems = serviceDiscoveryManager.discoverItems(this.connection.getServiceName()); DiscoverItems discoverItems = serviceDiscoveryManager.discoverItems(this.connection.getServiceName());
Iterator<Item> itemIterator = discoverItems.getItems(); Iterator<Item> itemIterator = discoverItems.getItems();
@ -570,32 +570,38 @@ public final class Socks5BytestreamManager implements BytestreamManager {
continue; continue;
} }
DiscoverInfo proxyInfo;
try { try {
DiscoverInfo proxyInfo;
proxyInfo = serviceDiscoveryManager.discoverInfo(item.getEntityID()); proxyInfo = serviceDiscoveryManager.discoverInfo(item.getEntityID());
Iterator<Identity> identities = proxyInfo.getIdentities();
// item must have category "proxy" and type "bytestream"
while (identities.hasNext()) {
Identity identity = identities.next();
if ("proxy".equalsIgnoreCase(identity.getCategory())
&& "bytestreams".equalsIgnoreCase(identity.getType())) {
proxies.add(item.getEntityID());
break;
}
/*
* server is not a SOCKS5 proxy, blacklist server to skip next time a Socks5
* bytestream should be established
*/
this.proxyBlacklist.add(item.getEntityID());
}
} }
catch (XMPPException e) { catch (NoResponseException e) {
// blacklist errornous server // blacklist errornous server
proxyBlacklist.add(item.getEntityID());
continue; }
catch (XMPPErrorException e) {
// blacklist errornous server
proxyBlacklist.add(item.getEntityID());
continue;
}
Iterator<Identity> identities = proxyInfo.getIdentities();
// item must have category "proxy" and type "bytestream"
while (identities.hasNext()) {
Identity identity = identities.next();
if ("proxy".equalsIgnoreCase(identity.getCategory())
&& "bytestreams".equalsIgnoreCase(identity.getType())) {
proxies.add(item.getEntityID());
break;
}
/*
* server is not a SOCKS5 proxy, blacklist server to skip next time a Socks5
* bytestream should be established
*/
this.proxyBlacklist.add(item.getEntityID()); this.proxyBlacklist.add(item.getEntityID());
} }
} }