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/* Copyright 1995-2014 Esri *//w ww. j a v a 2s. c o m * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * For additional information, contact: * Environmental Systems Research Institute, Inc. * Attn: Contracts Dept * 380 New York Street * Redlands, California, USA 92373 * * email: contracts@esri.com * */ package com.esri.android.mapsapp.account; import android.app.Activity; import android.os.AsyncTask; import android.os.Bundle; import android.text.Editable; import android.text.TextWatcher; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.widget.EditText; import android.widget.Toast; import com.esri.android.mapsapp.R; import com.esri.android.mapsapp.dialogs.ProgressDialogFragment; import com.esri.android.mapsapp.util.StringUtils; import com.esri.android.oauth.OAuthView; import com.esri.android.runtime.ArcGISRuntime; import com.esri.core.io.EsriSecurityException; import com.esri.core.io.UserCredentials; import com.esri.core.map.CallbackListener; import com.esri.core.portal.Portal; import com.esri.core.portal.PortalInfo; /** * Implements the sign in UX to ArcGIS portal accounts. Handles sign in to OAuth and non-OAuth secured portals. */ public class SignInActivity extends Activity implements OnClickListener, TextWatcher { public static final String TAG = SignInActivity.class.getSimpleName(); private static final String MSG_OBTAIN_CLIENT_ID = "You have to provide a client id in order to do OAuth sign in. You can obtain a client id by registering the application on https://developers.arcgis.com.";;; private static final String HTTPS = "https://"; private static final String HTTP = "http://"; private static final int OAUTH_EXPIRATION_NEVER = -1; private EditText mPortalUrlEditText; private View mContinueButton; private String mPortalUrl; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.sign_in_activity_portal_url_layout); mPortalUrlEditText = (EditText) findViewById(R.id.sign_in_activity_portal_url_edittext); mPortalUrlEditText.addTextChangedListener(this); mContinueButton = findViewById(R.id.sign_in_activity_continue_button); mContinueButton.setOnClickListener(this); mContinueButton.setEnabled(!mPortalUrlEditText.getText().toString().trim().isEmpty()); View cancelButton = findViewById(R.id.sign_in_activity_cancel_button); cancelButton.setOnClickListener(this); } @Override public void onClick(View view) { switch (view.getId()) { case R.id.sign_in_activity_continue_button: // determine what type of authentication is required to sign in to the specified portal new FetchAuthenticationTypeTask().execute(); break; case R.id.sign_in_activity_cancel_button: finish(); break; } } @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { } @Override public void onTextChanged(CharSequence s, int start, int before, int count) { } @Override public void afterTextChanged(Editable s) { if (s == null) { return; } // update the enabled state of the Continue button String url = s.toString().trim(); mContinueButton.setEnabled(StringUtils.isNotEmpty(url)); } /** * Signs into the portal using the generateToken REST endpoint. */ private void signInWithGenerateToken() { Toast.makeText(this, "GenerateToken-based sign in not implemented yet", Toast.LENGTH_SHORT).show(); } /** * Signs into the portal using OAuth2. */ private void signInWithOAuth() { if (mPortalUrl.startsWith(HTTP)) { mPortalUrl = mPortalUrl.replace(HTTP, HTTPS); } String clientId = getString(R.string.client_id); if (StringUtils.isEmpty(clientId)) { Toast.makeText(this, MSG_OBTAIN_CLIENT_ID, Toast.LENGTH_SHORT).show(); return; } // create an OAuthView and show it OAuthView oAuthView = new OAuthView(this, mPortalUrl, clientId, OAUTH_EXPIRATION_NEVER, new CallbackListener<UserCredentials>() { @Override public void onCallback(final UserCredentials credentials) { if (credentials != null) { Portal portal = new Portal(mPortalUrl, credentials); PortalInfo portalInfo = null; try { // fetch the portal info and user details, they will be cached in the Portal instance portalInfo = portal.fetchPortalInfo(); portal.fetchUser(); } catch (Exception e) { onError(e); } // hold on to the initialized portal for later use AccountManager.getInstance().setPortal(portal); // enable standard license level if (portalInfo != null) { ArcGISRuntime.License.setLicense(portalInfo.getLicenseInfo()); } // we are done signing in finish(); } } @Override public void onError(Throwable e) { Toast.makeText(SignInActivity.this, getString(R.string.failed_sign_in), Toast.LENGTH_SHORT).show(); finish(); } }); setContentView(oAuthView); } /** * Fetches the PortalInfo asynchronously and determines the portal's authentication type. */ private class FetchAuthenticationTypeTask extends AsyncTask<Void, Void, Integer> { private static final String TAG_PROGRESS_DIALOG = "TAG_PROGRESS_DIALOG"; private static final int TYPE_UNDEFINED = -1; private static final int TYPE_OAUTH = 0; private static final int TYPE_GENERATE_TOKEN = 1; private ProgressDialogFragment mProgressDialog; @Override protected void onPreExecute() { super.onPreExecute(); mProgressDialog = ProgressDialogFragment.newInstance(getString(R.string.verifying_portal)); mProgressDialog.show(getFragmentManager(), TAG_PROGRESS_DIALOG); } @Override protected Integer doInBackground(Void... params) { int authType = TYPE_UNDEFINED; try { mPortalUrl = mPortalUrlEditText.getText().toString().trim(); if (!mPortalUrl.startsWith(HTTP)) { mPortalUrl = new StringBuilder(HTTP).append(mPortalUrl).toString(); } Log.d(TAG, mPortalUrl); Portal portal = new Portal(mPortalUrl, null); PortalInfo portalInfo = portal.fetchPortalInfo(); if (portalInfo != null) { authType = portalInfo.isSupportsOAuth() ? TYPE_OAUTH : TYPE_GENERATE_TOKEN; } } catch (EsriSecurityException ese) { // Enterprise Windows auth throws this exception - assume it's not OAuth. if (ese.getCode() == EsriSecurityException.AUTHENTICATION_FAILED) { authType = TYPE_GENERATE_TOKEN; } } catch (Exception e) { authType = TYPE_UNDEFINED; } return Integer.valueOf(authType); } @Override protected void onPostExecute(Integer result) { super.onPostExecute(result); mProgressDialog.dismiss(); switch (result.intValue()) { case TYPE_OAUTH: signInWithOAuth(); break; case TYPE_GENERATE_TOKEN: signInWithGenerateToken(); break; default: // auth type could not be determined - just abort sign in finish(); } } } }