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SMACK-280: The SASL mechanisms work transparent with packet listeners 

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@11615 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
Günther Niess 2010-02-09 12:24:24 +00:00 committed by niess
parent ad65a76e77
commit e3efee2e8f
3 changed files with 121 additions and 12 deletions
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30
source/org/jivesoftware/smack/PacketReader.java
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@ -22,6 +22,9 @@ package org.jivesoftware.smack;
import org.jivesoftware.smack.Connection.ListenerWrapper;
import org.jivesoftware.smack.packet.*;
import org.jivesoftware.smack.sasl.SASLMechanism.Challenge;
import org.jivesoftware.smack.sasl.SASLMechanism.Failure;
import org.jivesoftware.smack.sasl.SASLMechanism.Success;
import org.jivesoftware.smack.util.PacketParserUtils;
import org.xmlpull.mxp1.MXParser;
import org.xmlpull.v1.XmlPullParser;
@ -281,14 +284,28 @@ class PacketReader {
else {
// SASL authentication has failed. The server may close the connection
// depending on the number of retries
final Failure failure = PacketParserUtils.parseSASLFailure(parser);
processPacket(failure);
connection.getSASLAuthentication().authenticationFailed();
}
}
else if (parser.getName().equals("challenge")) {
// The server is challenging the SASL authentication made by the client
connection.getSASLAuthentication().challengeReceived(parser.nextText());
String challengeData = parser.nextText();
processPacket(new Challenge(challengeData));
connection.getSASLAuthentication().challengeReceived(challengeData);
}
else if (parser.getName().equals("success")) {
processPacket(new Success(parser.nextText()));
// We now need to bind a resource for the connection
// Open a new stream and wait for the response
connection.packetWriter.openStream();
// Reset the state of the parser since a new stream element is going
// to be sent by the server
resetParser();
// The SASL authentication with the server was successful. The next step
// will be to bind the resource
connection.getSASLAuthentication().authenticated();
}
else if (parser.getName().equals("compressed")) {
// Server confirmed that it's possible to use stream compression. Start
@ -304,17 +321,6 @@ class PacketReader {
// Disconnect the connection
connection.disconnect();
}
else if (parser.getName().equals("success")) {
// We now need to bind a resource for the connection
// Open a new stream and wait for the response
connection.packetWriter.openStream();
// Reset the state of the parser since a new stream element is going
// to be sent by the server
resetParser();
// The SASL authentication with the server was successful. The next step
// will be to bind the resource
connection.getSASLAuthentication().authenticated();
}
}
eventType = parser.next();
} while (!done && eventType != XmlPullParser.END_DOCUMENT && thread == readerThread);

75
source/org/jivesoftware/smack/sasl/SASLMechanism.java
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@ -216,6 +216,28 @@ public abstract class SASLMechanism implements CallbackHandler {
}
}
/**
* A SASL challenge stanza.
*/
public static class Challenge extends Packet {
final private String data;
public Challenge(String data) {
this.data = data;
}
public String toXML() {
StringBuilder stanza = new StringBuilder();
stanza.append("<challenge xmlns=\"urn:ietf:params:xml:ns:xmpp-sasl\">");
if (data != null &&
data.trim().length() > 0) {
stanza.append(data);
}
stanza.append("</challenge>");
return stanza.toString();
}
}
/**
* A SASL response stanza.
*/
@ -248,4 +270,57 @@ public abstract class SASLMechanism implements CallbackHandler {
return stanza.toString();
}
}
/**
* A SASL success stanza.
*/
public static class Success extends Packet {
final private String data;
public Success(String data) {
this.data = data;
}
public String toXML() {
StringBuilder stanza = new StringBuilder();
stanza.append("<success xmlns=\"urn:ietf:params:xml:ns:xmpp-sasl\">");
if (data != null &&
data.trim().length() > 0) {
stanza.append(data);
}
stanza.append("</success>");
return stanza.toString();
}
}
/**
* A SASL failure stanza.
*/
public static class Failure extends Packet {
final private String condition;
public Failure(String condition) {
this.condition = condition;
}
/**
* Get the SASL related error condition.
*
* @return the SASL related error condition.
*/
public String getCondition() {
return condition;
}
public String toXML() {
StringBuilder stanza = new StringBuilder();
stanza.append("<failure xmlns=\"urn:ietf:params:xml:ns:xmpp-sasl\">");
if (condition != null &&
condition.trim().length() > 0) {
stanza.append("<").append(condition).append("/>");
}
stanza.append("</failure>");
return stanza.toString();
}
}
}

28
source/org/jivesoftware/smack/util/PacketParserUtils.java
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@ -25,6 +25,7 @@ import org.jivesoftware.smack.packet.*;
import org.jivesoftware.smack.provider.IQProvider;
import org.jivesoftware.smack.provider.PacketExtensionProvider;
import org.jivesoftware.smack.provider.ProviderManager;
import org.jivesoftware.smack.sasl.SASLMechanism.Failure;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
@ -590,6 +591,33 @@ public class PacketParserUtils {
return properties;
}
/**
* Parses SASL authentication error packets.
*
* @param parser the XML parser.
* @return a SASL Failure packet.
* @throws Exception if an exception occurs while parsing the packet.
*/
public static Failure parseSASLFailure(XmlPullParser parser) throws Exception {
String condition = null;
boolean done = false;
while (!done) {
int eventType = parser.next();
if (eventType == XmlPullParser.START_TAG) {
if (!parser.getName().equals("failure")) {
condition = parser.getName();
}
}
else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals("failure")) {
done = true;
}
}
}
return new Failure(condition);
}
/**
* Parses stream error packets.
*