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Code Issues Packages Projects Releases Wiki Activity

Gmail OAuth - proof of concept

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M66B
2019-12-20 12:20:50 +01:00
parent 916a966ce4
commit f496a0fa6c
9 changed files with 161 additions and 3 deletions
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96
app/src/main/java/eu/faircode/email/ActivitySetup.java
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@@ -73,6 +73,21 @@ import com.microsoft.identity.client.IPublicClientApplication;
import com.microsoft.identity.client.PublicClientApplication;
import com.microsoft.identity.client.exception.MsalException;
import net.openid.appauth.AppAuthConfiguration;
import net.openid.appauth.AuthorizationException;
import net.openid.appauth.AuthorizationRequest;
import net.openid.appauth.AuthorizationResponse;
import net.openid.appauth.AuthorizationService;
import net.openid.appauth.AuthorizationServiceConfiguration;
import net.openid.appauth.ClientAuthentication;
import net.openid.appauth.ClientSecretPost;
import net.openid.appauth.ResponseTypeValues;
import net.openid.appauth.TokenResponse;
import net.openid.appauth.browser.BrowserBlacklist;
import net.openid.appauth.browser.Browsers;
import net.openid.appauth.browser.VersionRange;
import net.openid.appauth.browser.VersionedBrowserMatcher;
import org.bouncycastle.util.io.pem.PemObject;
import org.bouncycastle.util.io.pem.PemReader;
import org.json.JSONArray;
@@ -131,8 +146,10 @@ public class ActivitySetup extends ActivityBase implements FragmentManager.OnBac
static final int REQUEST_CHOOSE_ACCOUNT = 5;
static final int REQUEST_DONE = 6;
static final int REQUEST_IMPORT_CERTIFICATE = 7;
static final int REQUEST_OAUTH = 8;
static final String ACTION_QUICK_GMAIL = BuildConfig.APPLICATION_ID + ".ACTION_QUICK_GMAIL";
static final String ACTION_QUICK_OAUTH = BuildConfig.APPLICATION_ID + ".ACTION_QUICK_OAUTH";
static final String ACTION_QUICK_OUTLOOK = BuildConfig.APPLICATION_ID + ".ACTION_QUICK_OUTLOOK";
static final String ACTION_QUICK_SETUP = BuildConfig.APPLICATION_ID + ".ACTION_QUICK_SETUP";
static final String ACTION_VIEW_ACCOUNTS = BuildConfig.APPLICATION_ID + ".ACTION_VIEW_ACCOUNTS";
@@ -310,6 +327,7 @@ public class ActivitySetup extends ActivityBase implements FragmentManager.OnBac
LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
IntentFilter iff = new IntentFilter();
iff.addAction(ACTION_QUICK_GMAIL);
iff.addAction(ACTION_QUICK_OAUTH);
iff.addAction(ACTION_QUICK_OUTLOOK);
iff.addAction(ACTION_QUICK_SETUP);
iff.addAction(ACTION_VIEW_ACCOUNTS);
@@ -383,6 +401,10 @@ public class ActivitySetup extends ActivityBase implements FragmentManager.OnBac
if (resultCode == RESULT_OK && data != null)
handleImportCertificate(data);
break;
case REQUEST_OAUTH:
if (resultCode == RESULT_OK && data != null)
onHandleOAuth(data);
break;
}
} catch (Throwable ex) {
Log.e(ex);
@@ -1138,6 +1160,78 @@ public class ActivitySetup extends ActivityBase implements FragmentManager.OnBac
fragmentTransaction.commit();
}
private void onOAuth(Intent intent) {
String name = intent.getStringExtra("name");
for (EmailProvider provider : EmailProvider.loadProfiles(this))
if (provider.name.equals(name) && provider.oauth != null) {
AppAuthConfiguration appAuthConfig = new AppAuthConfiguration.Builder()
.setBrowserMatcher(new BrowserBlacklist(
new VersionedBrowserMatcher(
Browsers.SBrowser.PACKAGE_NAME,
Browsers.SBrowser.SIGNATURE_SET,
true,
VersionRange.atMost("5.3")
)))
.build();
AuthorizationService authService = new AuthorizationService(this, appAuthConfig);
AuthorizationRequest authRequest =
new AuthorizationRequest.Builder(
new AuthorizationServiceConfiguration(
Uri.parse(provider.oauth.authorizationEndpoint),
Uri.parse(provider.oauth.tokenEndpoint)),
provider.oauth.clientId,
ResponseTypeValues.CODE,
Uri.parse(provider.oauth.redirectUri))
.setScopes(provider.oauth.scopes)
.setState(name)
.build();
Intent authIntent = authService.getAuthorizationRequestIntent(authRequest);
startActivityForResult(authIntent, REQUEST_OAUTH);
return;
}
Log.unexpectedError(getSupportFragmentManager(),
new IllegalArgumentException("Unknown provider=" + name));
}
private void onHandleOAuth(Intent data) {
AuthorizationResponse auth = AuthorizationResponse.fromIntent(data);
if (auth == null) {
AuthorizationException ex = AuthorizationException.fromIntent(data);
Log.unexpectedError(getSupportFragmentManager(), ex);
return;
}
for (EmailProvider provider : EmailProvider.loadProfiles(this))
if (provider.name.equals(auth.state)) {
AuthorizationService authService = new AuthorizationService(this);
ClientAuthentication clientAuth = new ClientSecretPost(provider.oauth.clientSecret);
authService.performTokenRequest(
auth.createTokenExchangeRequest(),
clientAuth,
new AuthorizationService.TokenResponseCallback() {
@Override
public void onTokenRequestCompleted(TokenResponse access, AuthorizationException ex) {
if (access == null) {
Log.unexpectedError(getSupportFragmentManager(), ex);
return;
}
// access.accessToken
}
});
return;
}
Log.unexpectedError(getSupportFragmentManager(),
new IllegalArgumentException("Unknown state=" + auth.state));
}
private void onOutlook(Intent intent) {
PublicClientApplication.createMultipleAccountPublicClientApplication(
this,
@@ -1484,6 +1578,8 @@ public class ActivitySetup extends ActivityBase implements FragmentManager.OnBac
String action = intent.getAction();
if (ACTION_QUICK_GMAIL.equals(action))
onGmail(intent);
else if (ACTION_QUICK_OAUTH.equals(action))
onOAuth(intent);
else if (ACTION_QUICK_OUTLOOK.equals(action))
onOutlook(intent);
else if (ACTION_QUICK_SETUP.equals(action))