Access gmail using imap with accountmanager token

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I\'m trying to implement a IMAP gmail client using the token received from the Android\'s AccountManager instead of using username and password.

Google provides this

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3条回答

北海茫月

2020-12-09 00:57

Did you remeber to change your package name in OAuth2Provider? I forgot it when I was doing tests with that code.

public static final class OAuth2Provider extends Provider {
private static final long serialVersionUID = 1L;

public OAuth2Provider() {
  super("Google OAuth2 Provider", 1.0,
        "Provides the XOAUTH2 SASL Mechanism");
  put("SaslClientFactory.XOAUTH2",
      "com.example.testjavamail.OAuth2SaslClientFactory");
}

}

As I said in another answer, I only tested the connection, but it's working for me.

UPDATE

Here's the code I used, it's basically the example code, what really changed the porting of SASL support in Java Mail.

public class OAuth2Authenticator {
private static final Logger logger = Logger
        .getLogger(OAuth2Authenticator.class.getName());
private static Session mSession;

public static final class OAuth2Provider extends Provider {
    private static final long serialVersionUID = 1L;

    public OAuth2Provider() {
        super("Google OAuth2 Provider", 1.0,
                "Provides the XOAUTH2 SASL Mechanism");
        put("SaslClientFactory.XOAUTH2",
                "com.example.testjavamail.OAuth2SaslClientFactory");
    }
}

public static void initialize() {
    Security.addProvider(new OAuth2Provider());
}

public static IMAPStore connectToImap(String host, int port,
        String userEmail, String oauthToken, boolean debug)
        throws Exception {
    Properties props = new Properties();
    props.put("mail.imaps.sasl.enable", "true");
    props.put("mail.imaps.sasl.mechanisms", "XOAUTH2");
    props.put(OAuth2SaslClientFactory.OAUTH_TOKEN_PROP, oauthToken);
    Session session = Session.getInstance(props);
    session.setDebug(debug);

    final URLName unusedUrlName = null;
    IMAPSSLStore store = new IMAPSSLStore(session, unusedUrlName);
    final String emptyPassword = "";
    store.connect(host, port, userEmail, emptyPassword);
    return store;
}

public static SMTPTransport connectToSmtp(String host, int port,
        String userEmail, String oauthToken, boolean debug)
        throws Exception {
    Properties props = new Properties();
    props.put("mail.smtp.starttls.enable", "true");
    props.put("mail.smtp.starttls.required", "true");
    props.put("mail.smtp.sasl.enable", "true");
    props.put("mail.smtp.sasl.mechanisms", "XOAUTH2");
    props.put(OAuth2SaslClientFactory.OAUTH_TOKEN_PROP, oauthToken);
    mSession = Session.getInstance(props);
    mSession.setDebug(debug);

    final URLName unusedUrlName = null;
    SMTPTransport transport = new SMTPTransport(mSession, unusedUrlName);
    // If the password is non-null, SMTP tries to do AUTH LOGIN.
    final String emptyPassword = null;
    transport.connect(host, port, userEmail, emptyPassword);

    return transport;
}

public synchronized void testImap(String user, String oauthToken) {
    try {

        initialize();


        IMAPStore imapStore = connectToImap("imap.gmail.com", 993, user,
                oauthToken, true);

    } catch (Exception e) {
        Log.d("test", e.toString());
    }

}

public class ByteArrayDataSource implements DataSource {
    private byte[] data;
    private String type;

    public ByteArrayDataSource(byte[] data, String type) {
        super();
        this.data = data;
        this.type = type;
    }

    public ByteArrayDataSource(byte[] data) {
        super();
        this.data = data;
    }

    public void setType(String type) {
        this.type = type;
    }

    public String getContentType() {
        if (type == null)
            return "application/octet-stream";
        else
            return type;
    }

    public InputStream getInputStream() throws IOException {
        return new ByteArrayInputStream(data);
    }

    public String getName() {
        return "ByteArrayDataSource";
    }

    public OutputStream getOutputStream() throws IOException {
        throw new IOException("Not Supported");
    }
}

}

And here's the debug from Java Mail. Btw, post your debug log, it should help in undertanding what's going wrong

02-06 10:18:11.805: I/System.out(7434): DEBUG: setDebug: JavaMail version 1.4.1
02-06 10:18:11.905: I/System.out(7434): DEBUG: mail.imap.fetchsize: 16384
02-06 10:18:12.025: I/System.out(7434): DEBUG: enable SASL
02-06 10:18:12.040: I/System.out(7434): DEBUG: SASL mechanisms allowed: XOAUTH2
02-06 10:18:12.600: I/System.out(7434): * OK Gimap ready for requests from 2.233.xxx.xxx  2if1471965eej.3
02-06 10:18:12.605: I/System.out(7434): A0 CAPABILITY
02-06 10:18:12.635: I/System.out(7434): * CAPABILITY IMAP4rev1 UNSELECT IDLE NAMESPACE QUOTA ID XLIST CHILDREN X-GM-EXT-1 XYZZY SASL-IR AUTH=XOAUTH AUTH=XOAUTH2
02-06 10:18:12.635: I/System.out(7434): A0 OK Thats all she wrote! 2if1471965eej.3
02-06 10:18:12.645: I/System.out(7434): IMAP DEBUG: AUTH: XOAUTH
02-06 10:18:12.645: I/System.out(7434): IMAP DEBUG: AUTH: XOAUTH2
02-06 10:18:12.645: I/System.out(7434): DEBUG: protocolConnect login, host=imap.gmail.com, user=xxx@gmail.com, password=<non-null>
02-06 10:18:12.650: I/System.out(7434): IMAP SASL DEBUG: Mechanisms: XOAUTH2
02-06 10:18:12.695: I/System.out(7434): IMAP SASL DEBUG: SASL client XOAUTH2
02-06 10:18:12.695: I/System.out(7434): A1 AUTHENTICATE XOAUTH2
02-06 10:18:12.720: I/System.out(7434): + 
02-06 10:18:12.720: I/System.out(7434): IMAP SASL DEBUG: challenge:  :
02-06 10:18:12.730: I/System.out(7434): IMAP SASL DEBUG: callback length: 1
02-06 10:18:12.730: I/System.out(7434): IMAP SASL DEBUG: callback 0: myjavax.security.auth.callback.NameCallback@41760f78
02-06 10:18:12.730: I/System.out(7434): IMAP SASL DEBUG: response: user=xxx@gmail.comauth=Bearer ya29.... :
02-06 10:18:12.735: I/System.out(7434): dXNlcj1hbGVhbGVtYXp6b3R0aUBnbWFpbC5jb20BYXV0aD1CZWFyZXIgeWEyOS5BSEVTNlpRYklPeU8xU09sR01WSEo3X2tqVzlVdzNYY1RvODBtQ0hyWFVacjRsYlhIdwEB
02-06 10:18:12.870: I/System.out(7434): * CAPABILITY IMAP4rev1 UNSELECT IDLE NAMESPACE QUOTA ID XLIST CHILDREN X-GM-EXT-1 UIDPLUS COMPRESS=DEFLATE
02-06 10:18:12.870: I/System.out(7434): A1 OK xxx@gmail.com My NAME authenticated (Success)
02-06 10:18:12.870: I/System.out(7434): A2 CAPABILITY
02-06 10:18:13.160: I/System.out(7434): * CAPABILITY IMAP4rev1 UNSELECT IDLE NAMESPACE QUOTA ID XLIST CHILDREN X-GM-EXT-1 UIDPLUS COMPRESS=DEFLATE
02-06 10:18:13.160: I/System.out(7434): A2 OK Success

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耶瑟儿～

2020-12-09 01:01

What I did to resolve the same problem to recompile the source of java mail package, replace the calling of javax.security to asmack in the IMAPSaslAuthenticator file. the IMAP connection can go through,

11-29 15:51:46.921: D/11.28(2759):  --> the token is ya29.1.
11-29 15:51:46.937: I/System.out(2759): DEBUG: setDebug: JavaMail version ${mail.version}
11-29 15:51:46.937: I/System.out(2759): DEBUG IMAPS: mail.imap.fetchsize: 16384
11-29 15:51:46.937: I/System.out(2759): DEBUG IMAPS: mail.imap.ignorebodystructuresize: false
11-29 15:51:46.937: I/System.out(2759): DEBUG IMAPS: mail.imap.statuscachetimeout: 1000
11-29 15:51:46.937: I/System.out(2759): DEBUG IMAPS: mail.imap.appendbuffersize: -1
11-29 15:51:46.937: I/System.out(2759): DEBUG IMAPS: mail.imap.minidletime: 10
11-29 15:51:46.937: I/System.out(2759): DEBUG IMAPS: enable SASL
11-29 15:51:46.937: I/System.out(2759): DEBUG IMAPS: SASL mechanisms allowed: XOAUTH2
11-29 15:51:46.937: I/System.out(2759): DEBUG IMAPS: trying to connect to host "imap.gmail.com", port 993, isSSL true
11-29 15:51:47.085: D/dalvikvm(2759): GC_CONCURRENT freed 410K, 53% free 8847K/18503K, paused 3ms+6ms, total 38ms
11-29 15:51:47.085: I/System.out(2759): A4 LOGOUT
11-29 15:51:47.093: I/System.out(2759): DEBUG IMAPS: IMAPStore connection dead
11-29 15:51:47.093: I/System.out(2759): DEBUG IMAPS: IMAPStore cleanup, force true
11-29 15:51:47.093: I/System.out(2759): DEBUG IMAPS: IMAPStore cleanup done
11-29 15:51:47.093: D/AbsListView(2759): [unregisterDoubleTapMotionListener]
11-29 15:51:47.093: I/MotionRecognitionManager(2759):   .unregisterListener : / listener count = 0->0, listener=android.widget.AbsListView$4@41d9a1b0
11-29 15:51:47.093: I/System.out(2759): A4 LOGOUT
11-29 15:51:47.132: I/System.out(2759): * BYE LOGOUT Requested
11-29 15:51:47.140: I/System.out(2759): A4 OK 73 good day (Success)
11-29 15:51:47.140: I/System.out(2759): DEBUG IMAPS: IMAPStore connection dead
11-29 15:51:47.140: I/System.out(2759): DEBUG IMAPS: IMAPStore cleanup, force false
11-29 15:51:47.140: I/System.out(2759): DEBUG IMAPS: IMAPStore cleanup done
11-29 15:51:47.140: D/AbsListView(2759): [unregisterDoubleTapMotionListener]
11-29 15:51:47.140: I/MotionRecognitionManager(2759):   .unregisterListener : / listener count = 0->0, listener=android.widget.AbsListView$4@41de2ba0
11-29 15:51:47.171: I/System.out(2759): * OK Gimap ready for requests from 216.16.246.195 q6if13300240veb.40
11-29 15:51:47.171: I/System.out(2759): A0 CAPABILITY
11-29 15:51:47.218: I/System.out(2759): * CAPABILITY IMAP4rev1 UNSELECT IDLE NAMESPACE QUOTA ID XLIST CHILDREN X-GM-EXT-1 XYZZY SASL-IR AUTH=XOAUTH AUTH=XOAUTH2 AUTH=PLAIN AUTH=PLAIN-CLIENTTOKEN
11-29 15:51:47.218: I/System.out(2759): A0 OK Thats all she wrote! q6if13300240veb.40
11-29 15:51:47.218: I/System.out(2759): DEBUG IMAPS: AUTH: XOAUTH
11-29 15:51:47.226: I/System.out(2759): DEBUG IMAPS: AUTH: XOAUTH2
11-29 15:51:47.226: I/System.out(2759): DEBUG IMAPS: AUTH: PLAIN
11-29 15:51:47.226: I/System.out(2759): DEBUG IMAPS: AUTH: PLAIN-CLIENTTOKEN
11-29 15:51:47.226: I/System.out(2759): DEBUG IMAPS: protocolConnect login, host=imap.gmail.com, user=xxxx@gmail.com, password=<non-null>
11-29 15:51:47.226: I/System.out(2759): DEBUG IMAPS: SASL authentication command trace suppressed
11-29 15:51:47.226: I/System.out(2759): DEBUG IMAPS: SASL Mechanisms:
11-29 15:51:47.226: I/System.out(2759): DEBUG IMAPS:  XOAUTH2
11-29 15:51:47.226: I/System.out(2759): DEBUG IMAPS: 
11-29 15:51:47.233: I/System.out(2759): DEBUG IMAPS: SASL client XOAUTH2
11-29 15:51:47.272: I/System.out(2759): DEBUG IMAPS: SASL challenge:  :
11-29 15:51:47.272: I/System.out(2759): DEBUG IMAPS: SASL callback length: 1
11-29 15:51:47.272: I/System.out(2759): DEBUG IMAPS: SASL callback 0: org.apache.harmony.javax.security.auth.callback.NameCallback@41e082c8
11-29 15:51:47.272: I/System.out(2759): DEBUG IMAPS: SASL response: user=xxxx@gmail.comauth=Bearer ya29.1...UhhyFDen9bUwcd5I :
11-29 15:51:48.101: I/System.out(2759): DEBUG IMAPS: SASL authentication succeeded
11-29 15:51:48.101: I/System.out(2759): A2 CAPABILITY
11-29 15:51:48.272: I/System.out(2759): * CAPABILITY IMAP4rev1 UNSELECT IDLE NAMESPACE QUOTA ID XLIST CHILDREN X-GM-EXT-1 UIDPLUS COMPRESS=DEFLATE ENABLE MOVE CONDSTORE ESEARCH
11-29 15:51:48.272: I/System.out(2759): A2 OK Success
11-29 15:51:48.280: I/System.out(2759): A3 NAMESPACE
11-29 15:51:48.452: I/System.out(2759): * NAMESPACE (("" "/")) NIL NIL
11-29 15:51:48.452: I/System.out(2759): A3 OK Success

I downloaded the packages of

javamail-1.5.0-src
asmack-android-8-0.8.9.jar
activation.jar

I did not use the packages of

mail.jar
additionnal.jar

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面向向阳花

2020-12-09 01:12

This works for me if I run the testcode in main method, but deploying this on a glassfish server I got other problems. Following the code from http://code.google.com/p/google-mail-oauth2-tools/

This exception below is triggered then and I start to think this is related to a bug or other problems but cannot find out why. Is the Callback needed some ULR in Google API Console? Or why does it work locally but not when deployed at glassfish. java.lang.IllegalStateException: WEB9031: WebappClassLoader unable to load resource [com.google.code.samples.oauth2.OAuth2SaslClientFactory], because it has not yet been started, or was already stopped

Also looked if this bug was related to this: https://groups.google.com/forum/#!msg/google-appengine/OK3FuIPuA1I/dgov_VRffVgJ

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