OAuth error - Unknow Authorization header

robert dupont

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Dec 14, 2011, 6:28:20 PM12/14/11

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Hi,

I'm trying to get the emailsettings feed with an Oauth authentication but in my web app I have the following issue : Unknow authorization header. I can retrieve an access token and the secret. But when I copy and paste these values in the Oauth playground I get the next error.

If I do all the process to obtain the access token using the playground I can retrieve a feed. But with the values retrieved with my web app no success.

I really don't know why I have this issue.

Thanks in advance for your help

Robert.

HTTP/1.1 401 Unknown authorization header
WWW-Authenticate: GoogleLogin realm="http://www.google.com/accounts/ClientLogin", service="apps"
Content-Type: text/html; charset=UTF-8
Date: Wed, 14 Dec 2011 23:20:15 GMT
Expires: Wed, 14 Dec 2011 23:20:15 GMT
Cache-Control: private, max-age=0
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
Server: GSE
Transfer-Encoding: chunked

<?xml version="1.0"?>
<HTML>
  <HEAD>
    <TITLE>Unknown authorization header</TITLE>
  </HEAD>
  <BODY BGCOLOR="#FFFFFF" TEXT="#000000">
    <H1>Unknown authorization header</H1>
    <H2>Error 401</H2>
  </BODY>
</HTML>

Shraddha Gupta

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Dec 15, 2011, 5:16:01 AM12/15/11

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Hello Robert,

Can you send the code where you are doing OAuth authentication?

Thanks,
Shraddha Gupta

Developer Programs Engineer

Hyderabad, Google India.

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robert dupont

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Dec 15, 2011, 5:38:13 AM12/15/11

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Hi Shraddha,

Thanks for you reply,

Here is my code:
This is my fetching request token code (my scope : OAUTH_SCOPE = "https://apps-apis.google.com/a/feeds/emailsettings/2.0/")

      GoogleOAuthParameters oauthParameters = new GoogleOAuthParameters();
        oauthParameters.setOAuthConsumerKey(CONSUMER_KEY);
        oauthParameters.setOAuthConsumerSecret(CONSUMER_SECRET);
        oauthParameters.setScope(OAUTH_SCOPE);
        oauthParameters.setOAuthCallback("http://localhost:8080/MailBoxDelegation/redirectservlet");

        GoogleOAuthHelper oauthHelper = new GoogleOAuthHelper(new OAuthHmacSha1Signer());
         oauthHelper.getUnauthorizedRequestToken(oauthParameters);

         String approvalPageUrl = oauthHelper.createUserAuthorizationUrl(oauthParameters);

            String oauth_secret = oauthParameters.getOAuthTokenSecret();
           session.setAttribute("oauth_secret",oauth_secret);

            approvalPageUrl = oauthHelper.createUserAuthorizationUrl(oauthParameters);
           response.sendRedirect(approvalUrl);

The code after the redirection :

               String CONSUMER_KEY = props.getProperty("CONSUMER_KEY");
                String CONSUMER_SECRET = props.getProperty("CONSUMER_SECRET");

                GoogleOAuthParameters oauthParameters = new GoogleOAuthParameters();
                oauthParameters.setOAuthConsumerKey(CONSUMER_KEY);
                oauthParameters.setOAuthConsumerSecret(CONSUMER_SECRET);
                String oauth_secret = session.getAttribute("oauth_secret").toString();

OAuthHmacSha1Signer sign = new OAuthHmacSha1Signer();
GoogleOAuthHelper oauthHelper = new GoogleOAuthHelper(sign);
oauthHelper.getOAuthParametersFromCallback(request.getQueryString(), oauthParameters);
                oauthParameters.setOAuthTokenSecret(oauth_secret);

           String accessToken = "";
                try {
                accessToken = oauthHelper.getAccessToken(oauthParameters);

                    session.setAttribute("access_token", accessToken);
                    response.sendRedirect("delegation.jsp");
                } catch (OAuthException e) {
                logger.log(Level.SEVERE,"erreur during access token --> "+e.getMessage());
                }

the code for the creation of the service

EmailListService service = new EmailListService(appName);
        try {
            service.setOAuthCredentials(oauthParameters, new OAuthHmacSha1Signer());


        } catch (OAuthException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

Here is Sthe url that I'm using to get a feed: https://apps-apis.google.com/a/feeds/emailsettings/2.0/domain/userName/delegation

I hope it will help.
just for information, I did nothing for the registration of my webapp because in the management board it was already a client name with my domain name which had access to all APIs (I don't know if the issue comes from that)

Thanks in advance for your help

Robert

2011/12/15 Shraddha Gupta <shra...@google.com>

Gunjan Sharma

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Dec 22, 2011, 3:14:20 AM12/22/11

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Hello Robert

Here is a working code for email settings with OAuth1.0.

GoogleOAuthParameters oauthParameters = new GoogleOAuthParameters();

oauthParameters.setOAuthConsumerKey(CONSUMER_KEY);

oauthParameters.setOAuthConsumerSecret(CONSUMER_SECRET);

OAuthSigner signer = new OAuthHmacSha1Signer();

GoogleOAuthHelper oauthHelper = new GoogleOAuthHelper(signer);

oauthParameters.setScope(SCOPE);

oauthHelper.getUnauthorizedRequestToken(oauthParameters);

String requestUrl = oauthHelper.createUserAuthorizationUrl(oauthParameters);

System.out.println(requestUrl);

System.out.println("Please visit the URL above to authorize your OAuth "

+ "request token. Once that is complete, press any key to "

+ "continue...");

System.in.read();

String token = oauthHelper.getAccessToken(oauthParameters);

System.out.println("OAuth Access Token: " + token + " " + oauthParameters.getOAuthTokenSecret());

URL feedUrl = new URL("https://apps-apis.google.com/a/feeds/emailsettings/2.0/example.com/username/delegation");

System.out.println("Sending request to " + feedUrl.toString());

System.out.println();

GoogleService googleService =

new GoogleService("apps", "oauth-sample-app");

// Set the OAuth credentials which were obtained from the step above.

googleService.setOAuthCredentials(oauthParameters, signer);

// Make the request to Google

BaseFeed resultFeed = googleService.getFeed(feedUrl, Feed.class);

System.out.println("Response Data:");

System.out.println("=====================================================");

System.out.println("| TITLE: " + resultFeed.getEntries().size());

if (resultFeed.getEntries().size() == 0) {

System.out.println("|\tNo entries found.");

} else {

for (int i = 0; i < resultFeed.getEntries().size(); i++) {

BaseEntry entry = (BaseEntry) resultFeed.getEntries().get(i);

System.out.println("|\t" + (i + 1) + ": "

+ entry.getXmlBlob().getBlob());

}

System.out.println("=====================================================");

System.out.println();

We are still looking into why OAuth playground is not working with the same tokens.

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