package com.google.api.client.sample.docs.v3;
import com.google.api.client.auth.oauth.OAuthCredentialsResponse;
import com.google.api.client.auth.oauth.OAuthHmacSigner;
import com.google.api.client.auth.oauth.OAuthParameters;
import com.google.api.client.googleapis.auth.authsub.AuthSubHelper;
import
com.google.api.client.googleapis.auth.oauth.GoogleOAuthAuthorizeTemporaryTokenUrl;
import
com.google.api.client.googleapis.auth.oauth.GoogleOAuthGetAccessToken;
import
com.google.api.client.googleapis.auth.oauth.GoogleOAuthGetTemporaryToken;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.javanet.NetHttpTransport;
import com.google.api.client.sample.docs.v3.model.DocsUrl;
import java.awt.Desktop;
import java.awt.Desktop.Action;
import java.net.URI;
public class Auth {
private static final String APP_NAME ="Google Documents List Data API Java
Client Sample";
private static OAuthHmacSigner signer;
private static OAuthCredentialsResponse credentials;
static void authorize(HttpTransport transport) throws Exception {
// callback server
LoginCallbackServer callbackServer = null;
String verifier = null;
String tempToken = null;
try {
callbackServer = new LoginCallbackServer();
callbackServer.start();
// temporary token
GoogleOAuthGetTemporaryToken temporaryToken =new
GoogleOAuthGetTemporaryToken();
signer = new OAuthHmacSigner();
signer.clientSharedSecret = "anonymous";
temporaryToken.signer = signer;
temporaryToken.consumerKey = "anonymous";
temporaryToken.scope ="https://apps-apis.google.com/a/feeds/user/2.0";;
temporaryToken.displayName = APP_NAME;
temporaryToken.callback = callbackServer.getCallbackUrl();
System.out.println("temporaryToken.callback:
"+temporaryToken.callback);
OAuthCredentialsResponse tempCredentials = temporaryToken.execute();
signer.tokenSharedSecret = tempCredentials.tokenSecret;
// authorization URL
GoogleOAuthAuthorizeTemporaryTokenUrl authorizeUrl =
new GoogleOAuthAuthorizeTemporaryTokenUrl();
authorizeUrl.temporaryToken = tempToken = tempCredentials.token;
String authorizationUrl = authorizeUrl.build();
System.out.println("Go to this authorizationUrl: " +
authorizationUrl);
// launch in browser
boolean browsed = false;
if (Desktop.isDesktopSupported()) {
Desktop desktop = Desktop.getDesktop();
if (desktop.isSupported(Action.BROWSE)) {
desktop.browse(URI.create(authorizationUrl));
browsed = true;
}
}
if (!browsed) {
String browser = "google-chrome";
Runtime.getRuntime().exec(new String[] {browser,
authorizationUrl});
}
verifier = callbackServer.waitForVerifier(tempToken);
} finally {
if (callbackServer != null) {
callbackServer.stop();
}
}
GoogleOAuthGetAccessToken accessToken = new GoogleOAuthGetAccessToken();
accessToken.temporaryToken = tempToken;
accessToken.signer = signer;
accessToken.consumerKey = "in.gappsdemo.in";
accessToken.verifier = verifier;
credentials = accessToken.execute();
signer.tokenSharedSecret = credentials.tokenSecret;
createOAuthParameters().signRequestsUsingAuthorizationHeader(transport);
}
static void revoke() {
if (credentials != null) {
try {
GoogleOAuthGetAccessToken.revokeAccessToken(createOAuthParameters());
} catch (Exception e) {
e.printStackTrace(System.err);
}
}
}
private static OAuthParameters createOAuthParameters() {
OAuthParameters authorizer = new OAuthParameters();
authorizer.consumerKey = "anonymous";
authorizer.signer = signer;
authorizer.token = credentials.token;
return authorizer;
}
}
when i am using this code i am getting this error:
Invalid scope: https://apps-apis.google.com/a/feeds/user/2.0
com.google.api.client.http.HttpResponseException: 400 Bad Request
at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:209)
at
com.google.api.client.auth.oauth.AbstractOAuthGetToken.execute(AbstractOAuthGetToken.java:64)
at com.google.api.client.sample.docs.v3.Auth.authorize(Auth.java:75)
at
com.google.api.client.sample.docs.v3.DocsSample.authorize(DocsSample.java:90)
at
com.google.api.client.sample.docs.v3.DocsSample.main(DocsSample.java:49)
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