OAuthAuthenticationActivity.java revision 874d25ff7073731a08c09b4528add58b720c4f6a 
1package com.android.email.activity.setup;
2
3import android.app.Activity;
4import android.content.Intent;
5import android.graphics.Bitmap;
6import android.net.Uri;
7import android.os.Bundle;
8import android.os.Handler;
9import android.text.TextUtils;
10import android.webkit.CookieManager;
11import android.webkit.CookieSyncManager;
12import android.webkit.WebResourceResponse;
13import android.webkit.WebView;
14import android.webkit.WebViewClient;
15import android.widget.Toast;
16
17import com.android.email.R;
18import com.android.emailcommon.Logging;
19import com.android.emailcommon.VendorPolicyLoader.OAuthProvider;
20import com.android.mail.utils.LogUtils;
21
22import java.net.URI;
23import java.net.URISyntaxException;
24import java.net.URL;
25
26
27/**
28 * Activity to display a webview to perform oauth authentication. This activity
29 * should obtain an authorization code, which can be used to obtain access and
30 * refresh tokens.
31 */
32public class OAuthAuthenticationActivity extends Activity {
33    private final static String TAG = Logging.LOG_TAG;
34
35    public static final String EXTRA_EMAIL_ADDRESS = "email_address";
36    public static final String EXTRA_PROVIDER = "provider";
37
38    WebView mWv;
39    OAuthProvider mProvider;
40
41    private class MyWebViewClient extends WebViewClient {
42
43        @Override
44        public boolean shouldOverrideUrlLoading(WebView wv, String url) {
45            // TODO: This method works for Google's redirect url to https://localhost.
46            // Does it work for the general case? I don't know what redirect url other
47            // providers use, or how the authentication code is returned.
48            LogUtils.d(TAG, "shouldOverrideUrlLoading %s", url);
49            final String deparameterizedUrl;
50            int i = url.lastIndexOf('?');
51            if (i == -1) {
52                deparameterizedUrl = url;
53            } else {
54                deparameterizedUrl = url.substring(0,i);
55            }
56
57            if (TextUtils.equals(deparameterizedUrl, mProvider.redirectUri)) {
58                final Uri uri = Uri.parse(url);
59                // Check the params of this uri, they contain success/failure info,
60                // along with the authentication token.
61                final String error = uri.getQueryParameter("error");
62                if (error != null) {
63                    // TODO display failure screen
64                    LogUtils.d(TAG, "error code %s", error);
65                    Toast.makeText(OAuthAuthenticationActivity.this,
66                            "Couldn't authenticate", Toast.LENGTH_LONG).show();
67                } else {
68                    // TODO  use this token to request the access and refresh tokens
69                    final String code = uri.getQueryParameter("code");
70                    LogUtils.d(TAG, "authorization code %s", code);
71                    Toast.makeText(OAuthAuthenticationActivity.this,
72                            "OAuth not implemented", Toast.LENGTH_LONG).show();
73                }
74                finish();
75                return true;
76            } else {
77                return false;
78            }
79        }
80    }
81
82    @Override
83    public void onCreate(Bundle bundle) {
84        super.onCreate(bundle);
85        CookieSyncManager.createInstance(this);
86        CookieManager cm = CookieManager.getInstance();
87        cm.removeAllCookie();
88
89        mWv = new WebView(this);
90        mWv.setWebViewClient(new MyWebViewClient());
91        mWv.getSettings().setJavaScriptEnabled(true);
92        setContentView(mWv);
93
94        final Intent i = getIntent();
95        final String email = i.getStringExtra(EXTRA_EMAIL_ADDRESS);
96        final String providerName = i.getStringExtra(EXTRA_PROVIDER);
97        mProvider = AccountSettingsUtils.findOAuthProvider(this, providerName);
98        final Uri uri = AccountSettingsUtils.createOAuthRegistrationRequest(this, mProvider, email);
99        LogUtils.d(Logging.LOG_TAG, "launching '%s'", uri);
100        mWv.loadUrl(uri.toString());
101    }
102}
103