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POGtalk XMPP SASL authentication failed using mechanism X-OAUTH2?
 

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  1. POGtalk XMPP SASL authentication failed using mechanism X-OAUTH2?
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    <p>I am using GoogleTalk XMPP in my application for chatting. unable to create XMPP connection by using username and AuthToken with <code>Google authentication</code>. </p> <p>Now i am using <code>GoogleAuth2</code> for <code>authentication</code>. i tried to authenticate like this using access_token and email. by using <code>SASLMechanism</code>. but i am not able to connect to xmpp serv er, it gives error like this <code>SASL authentication failed using mechanism X-OAUTH2</code></p> <pre><code>ConnectionConfiguration config = new ConnectionConfiguration(server_host, SERVER_PORT, SERVICE_NAME); config.setSASLAuthenticationEnabled(true); m_connection = new XMPPConnection(config); SASLAuthentication.registerSASLMechanism("X-OAUTH2", GoogleConnectSASLMechanism.class); SASLAuthentication.supportSASLMechanism("X-OAUTH2", 0); config.setSecurityMode(ConnectionConfiguration.SecurityMode.enabled); try { m_connection.connect(); } catch (XMPPException e) { e.printStackTrace(); } </code></pre> <p>this is the class i am using for <code>SASLMechanism.</code></p> <pre><code>public class GoogleConnectSASLMechanism extends SASLMechanism { public static final String NAME = "X-OAUTH2"; private String username = ""; private String sessionKey = ""; public GoogleConnectSASLMechanism(SASLAuthentication saslAuthentication) { super(saslAuthentication); } @Override protected String getName() { return NAME; } static void enable() { } @Override protected void authenticate() throws IOException, XMPPException { final StringBuilder stanza = new StringBuilder(); byte response[] = null; stanza.append("&lt;auth xmlns=\"urn:ietf:params:xml:ns:xmpp-sasl\"" + "mechanism=\"X-OAUTH2\"" + "auth:service=\"oauth2\"" + "xmlns:auth= \"http://www.google.com/talk/protocol/auth\"&gt;"); String composedResponse = "\0" + username + "\0" + sessionKey; response = composedResponse.getBytes("UTF-8"); String authenticationText = ""; if (response != null) { authenticationText = Base64.encodeBytes(response, Base64.DONT_BREAK_LINES); } stanza.append(authenticationText); stanza.append("&lt;/auth&gt;"); // Send the authentication to the server Packet p=new Packet() { @Override public String toXML() { return stanza.toString(); } }; getSASLAuthentication().send(p); } public class Auth2Mechanism extends Packet { String stanza; public Auth2Mechanism(String txt) { stanza = txt; } public String toXML() { return stanza; } } /** * Initiating SASL authentication by select a mechanism. */ public class AuthMechanism extends Packet { final private String name; final private String authenticationText; public AuthMechanism(String name, String authenticationText) { if (name == null) { throw new NullPointerException( "SASL mechanism name shouldn't be null."); } this.name = name; this.authenticationText = authenticationText; } public String toXML() { StringBuilder stanza = new StringBuilder(); stanza.append("&lt;auth mechanism=\"").append(name); stanza.append("\" xmlns=\"urn:ietf:params:xml:ns:xmpp-sasl\"&gt;"); if (authenticationText != null &amp;&amp; authenticationText.trim().length() &gt; 0) { stanza.append(authenticationText); } stanza.append("&lt;/auth&gt;"); return stanza.toString(); } } } </code></pre> <p>How to authenticate the <code>Google Auth</code> by using SASL Mechanism ?</p>
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