/**
* Invokes Microsoft Azure Mobile Service authentication using a provider-specific oAuth token
*
* @param provider The provider used for the authentication process
* @param oAuthToken The oAuth token used for authentication
* @param callback Callback to invoke when the authentication process finishes
*/
public void authenticate(
String provider, String oAuthToken, final UserAuthenticationCallback callback) {
if (oAuthToken == null || oAuthToken.trim() == "") {
throw new IllegalArgumentException("oAuthToken can not be null or empty");
}
// Create the login URL
String url =
mClient.getAppUrl().toString() + LoginManager.START_URL + normalizeProvider(provider);
authenticateWithToken(oAuthToken, url, callback);
}
/**
* Invokes Microsoft Azure Mobile Services authentication using the specified token
*
* @param token The token used for authentication
* @param url The URL used for the authentication process
* @param callback Callback to invoke when the authentication process finishes
*/
private void authenticateWithToken(
String token, String url, final UserAuthenticationCallback callback) {
if (token == null) {
throw new IllegalArgumentException("token can not be null");
}
if (url == null) {
throw new IllegalArgumentException("url can not be null");
}
// Create a request
final ServiceFilterRequest request =
new ServiceFilterRequestImpl(new HttpPost(url), mClient.getAndroidHttpClientFactory());
request.addHeader(HTTP.CONTENT_TYPE, MobileServiceConnection.JSON_CONTENTTYPE);
try {
// Set request's content with the token
request.setContent(token);
} catch (Exception e) {
// this should never happen
}
final MobileServiceConnection connection = mClient.createConnection();
// Create the AsyncTask that will execute the request
new RequestAsyncTask(request, connection) {
@Override
protected void onPostExecute(ServiceFilterResponse response) {
if (callback != null) {
if (mTaskException == null && response != null) {
MobileServiceUser user = null;
try {
// Get the user from the response and create a
// MobileServiceUser object from the JSON
String content = response.getContent();
user = createUserFromJSON((JsonObject) new JsonParser().parse((content.trim())));
} catch (Exception e) {
// Something went wrong, call onCompleted method
// with exception
callback.onCompleted(
null,
new MobileServiceException("Error while authenticating user.", e),
response);
return;
}
// Call onCompleted method
callback.onCompleted(user, null, response);
} else {
// Something went wrong, call onCompleted method with
// exception
callback.onCompleted(
null,
new MobileServiceException("Error while authenticating user.", mTaskException),
response);
}
}
}
}.executeTask();
}
/**
* Invokes an interactive authentication process using the specified Authentication Provider
*
* @param provider The provider used for the authentication process
* @param context The context used to create the authentication dialog
* @param callback Callback to invoke when the authentication process finishes
*/
public void authenticate(
String provider, Context context, final UserAuthenticationCallback callback) {
if (context == null) {
throw new IllegalArgumentException("context cannot be null");
}
if (provider == null || provider.length() == 0) {
throw new IllegalArgumentException("provider cannot be null or empty");
}
// Create login URL
String startUrl =
mClient.getAppUrl().toString() + LoginManager.START_URL + normalizeProvider(provider);
// Create the expected end URL
String endUrl = mClient.getAppUrl().toString() + LoginManager.END_URL;
final UserAuthenticationCallback externalCallback = callback;
// Shows an interactive view with the provider's login
showLoginUI(
startUrl,
endUrl,
context,
new LoginUIOperationCallback() {
@Override
public void onCompleted(String url, Exception exception) {
if (externalCallback != null) {
if (exception == null) {
MobileServiceUser user = null;
try {
String decodedUrl = URLDecoder.decode(url, MobileServiceClient.UTF8_ENCODING);
JsonObject json =
(JsonObject)
new JsonParser()
.parse(
decodedUrl.substring(
decodedUrl.indexOf(TOKEN_MARK) + TOKEN_MARK.length()));
user = createUserFromJSON(json);
} catch (Exception e) {
// If exists an external callback, call
// onComplete method
// method with exception
if (externalCallback != null) {
externalCallback.onCompleted(null, e, null);
}
return;
}
// If exists an external callback, call
// onComplete method
if (externalCallback != null) {
externalCallback.onCompleted(user, null, null);
}
} else {
externalCallback.onCompleted(null, exception, null);
}
}
}
});
}
