src/org/gege/caldavsyncadapter/authenticator/AuthenticatorActivity.java

Tue, 10 Feb 2015 22:40:00 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 10 Feb 2015 22:40:00 +0100
changeset 8
ec8af0e3fbc2
parent 0
fb9019fb1bf7
child 9
bcc778a42b8c
permissions
-rw-r--r--

Merge https://github.com/gggard/AndroidCaldavSyncAdapater/pull/206/

     1 /**
     2  * Copyright (c) 2012-2013, Gerald Garcia
     3  *
     4  * This file is part of Andoid Caldav Sync Adapter Free.
     5  *
     6  * Andoid Caldav Sync Adapter Free is free software: you can redistribute 
     7  * it and/or modify it under the terms of the GNU General Public License 
     8  * as published by the Free Software Foundation, either version 3 of the 
     9  * License, or at your option any later version.
    10  *
    11  * Andoid Caldav Sync Adapter Free is distributed in the hope that 
    12  * it will be useful, but WITHOUT ANY WARRANTY; without even the implied 
    13  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14  * GNU General Public License for more details.
    15  *
    16  * You should have received a copy of the GNU General Public License
    17  * along with Andoid Caldav Sync Adapter Free.  
    18  * If not, see <http://www.gnu.org/licenses/>.
    19  *
    20  */
    22 package org.gege.caldavsyncadapter.authenticator;
    24 import android.accounts.Account;
    25 import android.accounts.AccountManager;
    26 import android.animation.Animator;
    27 import android.animation.AnimatorListenerAdapter;
    28 import android.annotation.TargetApi;
    29 import android.app.Activity;
    30 import android.content.Context;
    31 import android.content.pm.PackageManager.NameNotFoundException;
    32 import android.os.AsyncTask;
    33 import android.os.Build;
    34 import android.os.Bundle;
    35 import android.text.Editable;
    36 import android.text.TextUtils;
    37 import android.text.TextWatcher;
    38 import android.util.Log;
    39 import android.view.KeyEvent;
    40 import android.view.Menu;
    41 import android.view.View;
    42 import android.view.inputmethod.EditorInfo;
    43 import android.widget.CheckBox;
    44 import android.widget.EditText;
    45 import android.widget.TextView;
    46 import android.widget.Toast;
    48 import org.apache.http.conn.HttpHostConnectException;
    49 import org.gege.caldavsyncadapter.Constants;
    50 import org.gege.caldavsyncadapter.R;
    51 import org.gege.caldavsyncadapter.caldav.CaldavFacade;
    52 import org.gege.caldavsyncadapter.caldav.CaldavFacade.TestConnectionResult;
    53 import org.xml.sax.SAXException;
    55 import java.io.IOException;
    56 import java.io.UnsupportedEncodingException;
    57 import java.net.MalformedURLException;
    58 import java.net.URISyntaxException;
    59 import java.util.Locale;
    61 import javax.xml.parsers.ParserConfigurationException;
    63 /**
    64  * Activity which displays a login screen to the user, offering registration as
    65  * well.
    66  */
    67 public class AuthenticatorActivity extends Activity {
    69     private static final String TAG = "AuthenticatorActivity";
    71     private static final String ACCOUNT_TYPE = "org.gege.caldavsyncadapter.account";
    73     public static final String USER_DATA_URL_KEY = "USER_DATA_URL_KEY";
    74     public static final String USER_DATA_USERNAME = "USER_DATA_USERNAME";
    75     public static final String USER_DATA_VERSION = "USER_DATA_VERSION";
    76     public static final String CURRENT_USER_DATA_VERSION = "1";
    78     public static final String ACCOUNT_NAME_SPLITTER = "@";
    80     /**
    81      * The default email to populate the email field with.
    82      */
    83     public static final String EXTRA_EMAIL = "com.example.android.authenticatordemo.extra.EMAIL";
    85     /**
    86      * Keep track of the login task to ensure we can cancel it if requested.
    87      */
    88     private UserLoginTask mAuthTask = null;
    90     // Values for email and password at the time of the login attempt.
    91     private String mUser;
    92     private String mPassword;
    93     private String mTrustAll;
    94     private Context mContext;
    96     // UI references.
    97     private EditText mUserView;
    98     private EditText mPasswordView;
    99     private View mLoginFormView;
   100     private View mLoginStatusView;
   101     private TextView mLoginStatusMessageView;
   102     private CheckBox mTrustCheckBox;
   104     private AccountManager mAccountManager;
   106     private String mURL;
   107     private EditText mURLView;
   109     private String mAccountname;
   110     private EditText mAccountnameView;
   112     public AuthenticatorActivity() {
   113         super();
   115     }
   117     @Override
   118     protected void onCreate(Bundle savedInstanceState) {
   119         super.onCreate(savedInstanceState);
   121         mAccountManager = AccountManager.get(this);
   123         setContentView(R.layout.activity_authenticator);
   125         // Set up the login form.
   126         mUser = getIntent().getStringExtra(EXTRA_EMAIL);
   127         mUserView = (EditText) findViewById(R.id.user);
   128         mUserView.setText(mUser);
   130         mContext = getBaseContext();
   132         mPasswordView = (EditText) findViewById(R.id.password);
   133         mPasswordView
   134                 .setOnEditorActionListener(new TextView.OnEditorActionListener() {
   135                     @Override
   136                     public boolean onEditorAction(TextView textView, int id,
   137                                                   KeyEvent keyEvent) {
   138                         if (id == R.id.login || id == EditorInfo.IME_NULL) {
   139                             attemptLogin();
   140                             return true;
   141                         }
   142                         return false;
   143                     }
   144                 });
   147         mURLView = (EditText) findViewById(R.id.url);
   148         // if the URL start with "https" show the option to disable SSL host verification
   149         mURLView.addTextChangedListener(new TextWatcher() {
   150             @Override
   151             public void onTextChanged(CharSequence s, int start, int before, int count) {
   152                 String url = ((EditText) findViewById(R.id.url)).getText().toString();
   153                 int visible = url.toLowerCase(Locale.getDefault())
   154                         .startsWith("https") ? View.VISIBLE : View.GONE;
   155                 ((CheckBox) findViewById(R.id.trustall)).setVisibility(visible);
   156             }
   158             @Override
   159             public void beforeTextChanged(CharSequence s, int start, int count,
   160                                           int after) {
   161             }
   163             @Override
   164             public void afterTextChanged(Editable s) {
   165             }
   166         });
   168         mAccountnameView = (EditText) findViewById(R.id.accountname);
   170         mLoginFormView = findViewById(R.id.login_form);
   171         mLoginStatusView = findViewById(R.id.login_status);
   172         mLoginStatusMessageView = (TextView) findViewById(R.id.login_status_message);
   174         findViewById(R.id.sign_in_button).setOnClickListener(
   175                 new View.OnClickListener() {
   176                     @Override
   177                     public void onClick(View view) {
   178                         attemptLogin();
   179                     }
   180                 }
   181         );
   183         mTrustCheckBox = (CheckBox) findViewById(R.id.trustall);
   186     }
   188     @Override
   189     public boolean onCreateOptionsMenu(Menu menu) {
   190         super.onCreateOptionsMenu(menu);
   191         return true;
   192     }
   194     /**
   195      * Attempts to sign in or register the account specified by the login form.
   196      * If there are form errors (invalid email, missing fields, etc.), the
   197      * errors are presented and no actual login attempt is made.
   198      */
   199     public void attemptLogin() {
   200         if (mAuthTask != null) {
   201             return;
   202         }
   204         // Reset errors.
   205         mUserView.setError(null);
   206         mPasswordView.setError(null);
   208         // Store values at the time of the login attempt.
   209         mUser = mUserView.getText().toString();
   210         mPassword = mPasswordView.getText().toString();
   211         mURL = mURLView.getText().toString();
   212         mAccountname = mAccountnameView.getText().toString();
   213         mTrustAll = (mTrustCheckBox.isChecked() ? "false" : "true");
   214         boolean cancel = false;
   215         View focusView = null;
   217         if (!mAccountname.equals("")) {
   218             Account TestAccount = new Account(mAccountname, ACCOUNT_TYPE);
   219             String TestUrl = mAccountManager.getUserData(TestAccount, AuthenticatorActivity.USER_DATA_URL_KEY);
   220             if (TestUrl != null) {
   221                 mAccountnameView.setError(getString(R.string.error_account_already_in_use));
   222                 focusView = mAccountnameView;
   223                 cancel = true;
   224             }
   225         }
   227         // Check for a valid password.
   228         if (TextUtils.isEmpty(mPassword)) {
   229             mPasswordView.setError(getString(R.string.error_field_required));
   230             focusView = mPasswordView;
   231             cancel = true;
   232         }
   234         // Check for a valid email address.
   235         if (TextUtils.isEmpty(mUser)) {
   236             mUserView.setError(getString(R.string.error_field_required));
   237             focusView = mUserView;
   238             cancel = true;
   239         }
   240         //else if (!mUser.contains("@")) {
   241         //	mUserView.setError(getString(R.string.error_invalid_email));
   242         //	focusView = mUserView;
   243         //	cancel = true;
   244         //}
   246         if (cancel) {
   247             // There was an error; don't attempt login and focus the first
   248             // form field with an error.
   249             focusView.requestFocus();
   250         } else {
   251             // Show a progress spinner, and kick off a background task to
   252             // perform the user login attempt.
   253             mLoginStatusMessageView.setText(R.string.login_progress_signing_in);
   254             showProgress(true);
   255             mAuthTask = new UserLoginTask();
   256             mAuthTask.execute((Void) null);
   257         }
   258     }
   260     /**
   261      * Shows the progress UI and hides the login form.
   262      */
   263     @TargetApi(Build.VERSION_CODES.HONEYCOMB_MR2)
   264     private void showProgress(final boolean show) {
   265         // On Honeycomb MR2 we have the ViewPropertyAnimator APIs, which allow
   266         // for very easy animations. If available, use these APIs to fade-in
   267         // the progress spinner.
   268         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) {
   269             int shortAnimTime = getResources().getInteger(
   270                     android.R.integer.config_shortAnimTime);
   272             mLoginStatusView.setVisibility(View.VISIBLE);
   273             mLoginStatusView.animate().setDuration(shortAnimTime)
   274                     .alpha(show ? 1 : 0)
   275                     .setListener(new AnimatorListenerAdapter() {
   276                         @Override
   277                         public void onAnimationEnd(Animator animation) {
   278                             mLoginStatusView.setVisibility(show ? View.VISIBLE
   279                                     : View.GONE);
   280                         }
   281                     });
   283             mLoginFormView.setVisibility(View.VISIBLE);
   284             mLoginFormView.animate().setDuration(shortAnimTime)
   285                     .alpha(show ? 0 : 1)
   286                     .setListener(new AnimatorListenerAdapter() {
   287                         @Override
   288                         public void onAnimationEnd(Animator animation) {
   289                             mLoginFormView.setVisibility(show ? View.GONE
   290                                     : View.VISIBLE);
   291                         }
   292                     });
   293         } else {
   294             // The ViewPropertyAnimator APIs are not available, so simply show
   295             // and hide the relevant UI components.
   296             mLoginStatusView.setVisibility(show ? View.VISIBLE : View.GONE);
   297             mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
   298         }
   299     }
   302     protected enum LoginResult {
   303         MalformedURLException,
   304         GeneralSecurityException,
   305         UnkonwnException,
   306         WrongCredentials,
   307         InvalidResponse,
   308         WrongUrl,
   309         ConnectionRefused,
   310         Success_Calendar,
   311         Success_Collection,
   312         UNTRUSTED_CERT,
   313         Account_Already_In_Use
   314     }
   317     /**
   318      * Represents an asynchronous login/registration task used to authenticate
   319      * the user.
   320      */
   321     public class UserLoginTask extends AsyncTask<Void, Void, LoginResult> {
   323         @Override
   324         protected LoginResult doInBackground(Void... params) {
   326             TestConnectionResult result = null;
   328             try {
   329                 CaldavFacade facade = new CaldavFacade(mUser, mPassword, mURL, mTrustAll);
   330                 String version = "";
   331                 try {
   332                     version = mContext.getPackageManager()
   333                             .getPackageInfo(mContext.getPackageName(), 0).versionName;
   334                 } catch (NameNotFoundException e) {
   335                     version = "unknown";
   336                     e.printStackTrace();
   337                 }
   338                 facade.setVersion(version);
   339                 result = facade.testConnection();
   340                 Log.i(TAG, "testConnection status=" + result);
   341             } catch (HttpHostConnectException e) {
   342                 Log.w(TAG, "testConnection", e);
   343                 return LoginResult.ConnectionRefused;
   344             } catch (MalformedURLException e) {
   345                 Log.w(TAG, "testConnection", e);
   346                 return LoginResult.MalformedURLException;
   347             } catch (UnsupportedEncodingException e) {
   348                 Log.w(TAG, "testConnection", e);
   349                 return LoginResult.UnkonwnException;
   350             } catch (ParserConfigurationException e) {
   351                 Log.w(TAG, "testConnection", e);
   352                 return LoginResult.UnkonwnException;
   353             } catch (SAXException e) {
   354                 Log.w(TAG, "testConnection", e);
   355                 return LoginResult.InvalidResponse;
   356             } catch (IOException e) {
   357                 Log.w(TAG, "testConnection", e);
   358                 return LoginResult.UnkonwnException;
   359             } catch (URISyntaxException e) {
   360                 Log.w(TAG, "testConnection", e);
   361                 return LoginResult.MalformedURLException;
   362             }
   364             if (result == null) {
   365                 return LoginResult.UnkonwnException;
   366             }
   368             switch (result) {
   370                 case SSL_ERROR:
   371                     return LoginResult.UNTRUSTED_CERT;
   372                 case SUCCESS:
   373                     boolean OldAccount = false;
   374                     LoginResult Result = LoginResult.Success_Calendar;
   376                     if (OldAccount) {
   377                         final Account account = new Account(mUser, ACCOUNT_TYPE);
   378                         if (mAccountManager.addAccountExplicitly(account, mPassword, null)) {
   379                             Log.v(TAG, "new account created");
   380                             mAccountManager.setUserData(account, USER_DATA_URL_KEY, mURL);
   381                         } else {
   382                             Log.v(TAG, "no new account created");
   383                             Result = LoginResult.Account_Already_In_Use;
   384                         }
   385                     } else {
   386                         final Account account;
   387                         if (mAccountname.equals("")) {
   388                             account = new Account(mUser + ACCOUNT_NAME_SPLITTER + mURL, ACCOUNT_TYPE);
   389                         } else {
   390                             account = new Account(mAccountname, ACCOUNT_TYPE);
   391                         }
   392                         if (mAccountManager.addAccountExplicitly(account, mPassword, null)) {
   393                             Log.v(TAG, "new account created");
   394                             mAccountManager.setUserData(account, USER_DATA_URL_KEY, mURL);
   395                             mAccountManager.setUserData(account, USER_DATA_USERNAME, mUser);
   396                             mAccountManager.setUserData(account, USER_DATA_VERSION, CURRENT_USER_DATA_VERSION);
   397                             mAccountManager.setUserData(account, Constants.USER_DATA_TRUST_ALL_KEY, mTrustAll);
   398                         } else {
   399                             Log.v(TAG, "no new account created");
   400                             Result = LoginResult.Account_Already_In_Use;
   401                         }
   402                     }
   404                     return Result;
   406                 case WRONG_CREDENTIAL:
   407                     return LoginResult.WrongCredentials;
   409                 case WRONG_SERVER_STATUS:
   410                     return LoginResult.InvalidResponse;
   412                 case WRONG_URL:
   413                     return LoginResult.WrongUrl;
   415                 case WRONG_ANSWER:
   416                     return LoginResult.InvalidResponse;
   418                 default:
   419                     return LoginResult.UnkonwnException;
   421             }
   423         }
   426         @Override
   427         protected void onPostExecute(final LoginResult result) {
   428             mAuthTask = null;
   429             showProgress(false);
   431             int duration = Toast.LENGTH_SHORT;
   432             Toast toast = null;
   434             switch (result) {
   435                 case Success_Calendar:
   436                     toast = Toast.makeText(getApplicationContext(), R.string.success_calendar, duration);
   437                     toast.show();
   438                     finish();
   439                     break;
   441                 case Success_Collection:
   442                     toast = Toast.makeText(getApplicationContext(), R.string.success_collection, duration);
   443                     toast.show();
   444                     finish();
   445                     break;
   447                 case MalformedURLException:
   449                     toast = Toast.makeText(getApplicationContext(), R.string.error_incorrect_url_format, duration);
   450                     toast.show();
   451                     mURLView.setError(getString(R.string.error_incorrect_url_format));
   452                     mURLView.requestFocus();
   453                     break;
   454                 case InvalidResponse:
   455                     toast = Toast.makeText(getApplicationContext(), R.string.error_invalid_server_answer, duration);
   456                     toast.show();
   457                     mURLView.setError(getString(R.string.error_invalid_server_answer));
   458                     mURLView.requestFocus();
   459                     break;
   460                 case WrongUrl:
   461                     toast = Toast.makeText(getApplicationContext(), R.string.error_wrong_url, duration);
   462                     toast.show();
   463                     mURLView.setError(getString(R.string.error_wrong_url));
   464                     mURLView.requestFocus();
   465                     break;
   467                 case GeneralSecurityException:
   468                     break;
   469                 case UnkonwnException:
   470                     break;
   471                 case WrongCredentials:
   472                     mPasswordView.setError(getString(R.string.error_incorrect_password));
   473                     mPasswordView.requestFocus();
   474                     break;
   476                 case ConnectionRefused:
   477                     toast = Toast.makeText(getApplicationContext(), R.string.error_connection_refused, duration);
   478                     toast.show();
   479                     mURLView.setError(getString(R.string.error_connection_refused));
   480                     mURLView.requestFocus();
   481                     break;
   482                 case UNTRUSTED_CERT:
   483                     toast = Toast.makeText(getApplicationContext(), getString(R.string.error_untrusted_certificate), duration);
   484                     toast.show();
   485                     mURLView.setError(getString(R.string.error_ssl));
   486                     mURLView.requestFocus();
   487                     break;
   488                 case Account_Already_In_Use:
   489                     toast = Toast.makeText(getApplicationContext(), R.string.error_account_already_in_use, duration);
   490                     toast.show();
   491                     mURLView.setError(getString(R.string.error_account_already_in_use));
   492                     mURLView.requestFocus();
   493                     break;
   494                 default:
   495                     toast = Toast.makeText(getApplicationContext(), R.string.error_unkown_error, duration);
   496                     toast.show();
   497                     mURLView.setError(getString(R.string.error_unkown_error));
   498                     mURLView.requestFocus();
   499                     break;
   500             }
   503         }
   505         @Override
   506         protected void onCancelled() {
   507             mAuthTask = null;
   508             showProgress(false);
   509         }
   510     }
   511 }

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