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POIMAP/SMTP authentication with AccountManager token
 

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    <p>I'm trying to implement a simple IMAP/SMTP gmail client using the token received from the Android's AccountManager instead of using username and password. I'm trying to use "mail" as authTokenType parameter to getAuthToken().</p> <p>Google provides this example of SMTP/IMAP with oauth2 <a href="http://code.google.com/p/google-mail-oauth2-tools/source/browse/#svn%2Ftrunk%2Fjava%2Fcom%2Fgoogle%2Fcode%2Fsamples%2Foauth2" rel="noreferrer">http://code.google.com/p/google-mail-oauth2-tools/source/browse/#svn%2Ftrunk%2Fjava%2Fcom%2Fgoogle%2Fcode%2Fsamples%2Foauth2</a> <a href="http://code.google.com/p/google-mail-oauth2-tools/wiki/JavaSampleCode" rel="noreferrer">http://code.google.com/p/google-mail-oauth2-tools/wiki/JavaSampleCode</a></p> <p>but it is for java. Using it in my Android project there is some import (about SASL) missing. To solve them I use this library <a href="http://code.google.com/p/asmack/" rel="noreferrer">http://code.google.com/p/asmack/</a></p> <p>The example compile but I notice a problem at runtime</p> <pre><code>10-04 10:05:44.715: I/System.out(1226): DEBUG: setDebug: JavaMail version 1.4.1 10-04 10:05:44.750: I/System.out(1226): DEBUG: mail.imap.fetchsize: 16384 10-04 10:05:44.750: I/System.out(1226): DEBUG: enable SASL 10-04 10:05:44.750: I/System.out(1226): DEBUG: SASL mechanisms allowed: XOAUTH2 10-04 10:05:46.137: I/System.out(1226): * OK Gimap ready for requests from 84.221.66.29 o42if871216eef.60 10-04 10:05:46.137: I/System.out(1226): A0 CAPABILITY 10-04 10:05:46.805: I/System.out(1226): * CAPABILITY IMAP4rev1 UNSELECT IDLE NAMESPACE QUOTA ID XLIST CHILDREN X-GM-EXT-1 XYZZY SASL-IR AUTH=XOAUTH AUTH=XOAUTH2 10-04 10:05:46.805: I/System.out(1226): A0 OK Thats all she wrote! o42if871216eef.60 10-04 10:05:46.805: I/System.out(1226): IMAP DEBUG: AUTH: XOAUTH 10-04 10:05:46.805: I/System.out(1226): IMAP DEBUG: AUTH: XOAUTH2 10-04 10:05:46.813: I/System.out(1226): DEBUG: protocolConnect login, host=imap.gmail.com, user=xxx.xxx@gmail.com, password=&lt;non-null&gt; 10-04 10:05:46.813: I/dalvikvm(1226): Could not find method javax.security.sasl.Sasl.createSaslClient, referenced from method com.sun.mail.imap.protocol.IMAPSaslAuthenticator.authenticate 10-04 10:05:46.813: W/dalvikvm(1226): VFY: unable to resolve static method 44358: Ljavax/security/sasl/Sasl;.createSaslClient ([Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/util/Map;Ljavax/security/auth/callback/CallbackHandler;)Ljavax/security/sasl/SaslClient; 10-04 10:05:46.813: D/dalvikvm(1226): VFY: replacing opcode 0x77 at 0x0050 10-04 10:05:46.813: W/dalvikvm(1226): VFY: unable to resolve exception class 5975 (Ljavax/security/sasl/SaslException;) 10-04 10:05:46.813: W/dalvikvm(1226): VFY: unable to find exception handler at addr 0x83 10-04 10:05:46.844: W/dalvikvm(1226): VFY: rejected Lcom/sun/mail/imap/protocol/IMAPSaslAuthenticator;.authenticate ([Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Z 10-04 10:05:46.844: W/dalvikvm(1226): VFY: rejecting opcode 0x0d at 0x0083 10-04 10:05:46.844: W/dalvikvm(1226): VFY: rejected Lcom/sun/mail/imap/protocol/IMAPSaslAuthenticator;.authenticate ([Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Z 10-04 10:05:46.844: W/dalvikvm(1226): Verifier rejected class Lcom/sun/mail/imap/protocol/IMAPSaslAuthenticator; 10-04 10:05:46.844: I/System.out(1226): IMAP DEBUG: Can't load SASL authenticator: java.lang.ClassNotFoundException: com.sun.mail.imap.protocol.IMAPSaslAuthenticator 10-04 10:05:46.844: I/System.out(1226): A1 LOGIN xxx.xxx@gmail.com anonymous 10-04 10:05:48.137: I/System.out(1226): A1 NO [AUTHENTICATIONFAILED] Invalid credentials (Failure) 10-04 10:05:48.164: W/System.err(1226): javax.mail.AuthenticationFailedException: [AUTHENTICATIONFAILED] Invalid credentials (Failure) 10-04 10:05:48.176: W/System.err(1226): at com.sun.mail.imap.IMAPStore.protocolConnect(IMAPStore.java:566) 10-04 10:05:48.176: W/System.err(1226): at javax.mail.Service.connect(Service.java:288) 10-04 10:05:48.176: W/System.err(1226): at xxx.xxx.xxx.OAuth2Authenticator.connectToImap(OAuth2Authenticator.java:111) 10-04 10:05:48.180: W/System.err(1226): at xxx.xxx.xxx.OAuth2Authenticator.initialize(OAuth2Authenticator.java:60) 10-04 10:05:48.180: W/System.err(1226): at xxx.xxx.xxx.TR_Incoming.onTimeout(TR_Incoming.java:106) 10-04 10:05:48.180: W/System.err(1226): at xxx.xxx.xxx.AlarmThread$1.handleMessage(AlarmThread.java:80) 10-04 10:05:48.180: W/System.err(1226): at android.os.Handler.dispatchMessage(Handler.java:99) 10-04 10:05:48.180: W/System.err(1226): at android.os.Looper.loop(Looper.java:137) 10-04 10:05:48.180: W/System.err(1226): at xxx.xxx.xxx.AlarmThread.run(AlarmThread.java:94) </code></pre> <p>it seems that asmack uses org.apache.harmony.javax.security.* instead of javax.security.*</p> <p>Anyone has faced this problem? Google does not seem to consider this possibility in their example, but I think that it should be a common feature for the user.</p> <p>Thanks.</p>
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    1. COThe problem arises from the fact that `com.sun.mail.imap.protocol.IMAPSaslAuthenticator` references `javax.security.sasl` classes which are missing. You should possibly get the javamail's sources, for example, [from here](http://repository.springsource.com/ivy/bundles/external/javax.mail/com.springsource.javax.mail/1.4.5/com.springsource.javax.mail-1.4.5.jar), and change imports in `IMAPSaslAuthenticator` to `org.apache.harmony.javax.security.sasl` classes, available in [`asmack`](http://code.google.com/p/asmack/), as has been noted already.
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