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

Tue, 10 Feb 2015 22:48:00 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 10 Feb 2015 22:48:00 +0100
changeset 9
bcc778a42b8c
parent 8
ec8af0e3fbc2
permissions
-rw-r--r--

Merge https://github.com/gggard/AndroidCaldavSyncAdapater/pull/211/

     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.InputType;
    37 import android.text.TextUtils;
    38 import android.text.TextWatcher;
    39 import android.util.Log;
    40 import android.view.KeyEvent;
    41 import android.view.Menu;
    42 import android.view.View;
    43 import android.view.inputmethod.EditorInfo;
    44 import android.widget.CheckBox;
    45 import android.widget.CompoundButton;
    46 import android.widget.EditText;
    47 import android.widget.TextView;
    48 import android.widget.Toast;
    50 import org.apache.http.conn.HttpHostConnectException;
    51 import org.gege.caldavsyncadapter.Constants;
    52 import org.gege.caldavsyncadapter.R;
    53 import org.gege.caldavsyncadapter.caldav.CaldavFacade;
    54 import org.gege.caldavsyncadapter.caldav.CaldavFacade.TestConnectionResult;
    55 import org.xml.sax.SAXException;
    57 import java.io.IOException;
    58 import java.io.UnsupportedEncodingException;
    59 import java.net.MalformedURLException;
    60 import java.net.URISyntaxException;
    61 import java.util.Locale;
    63 import javax.xml.parsers.ParserConfigurationException;
    65 /**
    66  * Activity which displays a login screen to the user, offering registration as
    67  * well.
    68  */
    69 public class AuthenticatorActivity extends Activity {
    71     private static final String TAG = "AuthenticatorActivity";
    73     private static final String ACCOUNT_TYPE = "org.gege.caldavsyncadapter.account";
    75     public static final String USER_DATA_URL_KEY = "USER_DATA_URL_KEY";
    76     public static final String USER_DATA_USERNAME = "USER_DATA_USERNAME";
    77     public static final String USER_DATA_VERSION = "USER_DATA_VERSION";
    78     public static final String CURRENT_USER_DATA_VERSION = "1";
    80     public static final String ACCOUNT_NAME_SPLITTER = "@";
    82     /**
    83      * The default email to populate the email field with.
    84      */
    85     public static final String EXTRA_EMAIL = "com.example.android.authenticatordemo.extra.EMAIL";
    87     /**
    88      * Keep track of the login task to ensure we can cancel it if requested.
    89      */
    90     private UserLoginTask mAuthTask = null;
    92     // Values for email and password at the time of the login attempt.
    93     private String mUser;
    94     private String mPassword;
    95     private String mTrustAll;
    96     private Context mContext;
    98     // UI references.
    99     private EditText mUserView;
   100     private EditText mPasswordView;
   101     private View mLoginFormView;
   102     private View mLoginStatusView;
   103     private TextView mLoginStatusMessageView;
   104     private CheckBox mTrustCheckBox;
   106     private AccountManager mAccountManager;
   108     private String mURL;
   109     private EditText mURLView;
   111     private String mAccountname;
   112     private EditText mAccountnameView;
   114     private CheckBox showPassword;
   116     public AuthenticatorActivity() {
   117         super();
   119     }
   121     @Override
   122     protected void onCreate(Bundle savedInstanceState) {
   123         super.onCreate(savedInstanceState);
   125         mAccountManager = AccountManager.get(this);
   127         setContentView(R.layout.activity_authenticator);
   129         // Set up the login form.
   130         mUser = getIntent().getStringExtra(EXTRA_EMAIL);
   131         mUserView = (EditText) findViewById(R.id.user);
   132         mUserView.setText(mUser);
   133         mUserView.requestFocus();
   135         mContext = getBaseContext();
   137         mPasswordView = (EditText) findViewById(R.id.password);
   138         mPasswordView
   139                 .setOnEditorActionListener(new TextView.OnEditorActionListener() {
   140                     @Override
   141                     public boolean onEditorAction(TextView textView, int id,
   142                                                   KeyEvent keyEvent) {
   143                         if (id == R.id.login || id == EditorInfo.IME_NULL) {
   144                             attemptLogin();
   145                             return true;
   146                         }
   147                         return false;
   148                     }
   149                 });
   151         showPassword = (CheckBox) findViewById(R.id.showPassword);
   152         showPassword.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
   153             @Override
   154             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
   155                 if(isChecked) {
   156                     mPasswordView.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
   157                 } else {
   158                     mPasswordView.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
   159                 }
   160             }
   161         });
   163         mURLView = (EditText) findViewById(R.id.url);
   164         // if the URL start with "https" show the option to disable SSL host verification
   165         mURLView.addTextChangedListener(new TextWatcher() {
   166             @Override
   167             public void onTextChanged(CharSequence s, int start, int before, int count) {
   168                 String url = ((EditText) findViewById(R.id.url)).getText().toString();
   169                 int visible = url.toLowerCase(Locale.getDefault())
   170                         .startsWith("https") ? View.VISIBLE : View.GONE;
   171                 ((CheckBox) findViewById(R.id.trustall)).setVisibility(visible);
   172             }
   174             @Override
   175             public void beforeTextChanged(CharSequence s, int start, int count,
   176                                           int after) {
   177             }
   179             @Override
   180             public void afterTextChanged(Editable s) {
   181             }
   182         });
   184         mAccountnameView = (EditText) findViewById(R.id.accountname);
   186         mLoginFormView = findViewById(R.id.login_form);
   187         mLoginStatusView = findViewById(R.id.login_status);
   188         mLoginStatusMessageView = (TextView) findViewById(R.id.login_status_message);
   190         findViewById(R.id.sign_in_button).setOnClickListener(
   191                 new View.OnClickListener() {
   192                     @Override
   193                     public void onClick(View view) {
   194                         attemptLogin();
   195                     }
   196                 }
   197         );
   199         mTrustCheckBox = (CheckBox) findViewById(R.id.trustall);
   202     }
   204     @Override
   205     public boolean onCreateOptionsMenu(Menu menu) {
   206         super.onCreateOptionsMenu(menu);
   207         return true;
   208     }
   210     /**
   211      * Attempts to sign in or register the account specified by the login form.
   212      * If there are form errors (invalid email, missing fields, etc.), the
   213      * errors are presented and no actual login attempt is made.
   214      */
   215     public void attemptLogin() {
   216         if (mAuthTask != null) {
   217             return;
   218         }
   220         // Reset errors.
   221         mUserView.setError(null);
   222         mPasswordView.setError(null);
   224         // Store values at the time of the login attempt.
   225         mUser = mUserView.getText().toString();
   226         mPassword = mPasswordView.getText().toString();
   227         mURL = mURLView.getText().toString();
   228         mAccountname = mAccountnameView.getText().toString();
   229         mTrustAll = (mTrustCheckBox.isChecked() ? "false" : "true");
   230         boolean cancel = false;
   231         View focusView = null;
   233         if (!mAccountname.equals("")) {
   234             Account TestAccount = new Account(mAccountname, ACCOUNT_TYPE);
   235             String TestUrl = mAccountManager.getUserData(TestAccount, AuthenticatorActivity.USER_DATA_URL_KEY);
   236             if (TestUrl != null) {
   237                 mAccountnameView.setError(getString(R.string.error_account_already_in_use));
   238                 focusView = mAccountnameView;
   239                 cancel = true;
   240             }
   241         }
   243         // Check for a valid password.
   244         if (TextUtils.isEmpty(mPassword)) {
   245             mPasswordView.setError(getString(R.string.error_field_required));
   246             focusView = mPasswordView;
   247             cancel = true;
   248         }
   250         // Check for a valid email address.
   251         if (TextUtils.isEmpty(mUser)) {
   252             mUserView.setError(getString(R.string.error_field_required));
   253             focusView = mUserView;
   254             cancel = true;
   255         }
   256         //else if (!mUser.contains("@")) {
   257         //	mUserView.setError(getString(R.string.error_invalid_email));
   258         //	focusView = mUserView;
   259         //	cancel = true;
   260         //}
   262         if (cancel) {
   263             // There was an error; don't attempt login and focus the first
   264             // form field with an error.
   265             focusView.requestFocus();
   266         } else {
   267             // Show a progress spinner, and kick off a background task to
   268             // perform the user login attempt.
   269             mLoginStatusMessageView.setText(R.string.login_progress_signing_in);
   270             showProgress(true);
   271             mAuthTask = new UserLoginTask();
   272             mAuthTask.execute((Void) null);
   273         }
   274     }
   276     /**
   277      * Shows the progress UI and hides the login form.
   278      */
   279     @TargetApi(Build.VERSION_CODES.HONEYCOMB_MR2)
   280     private void showProgress(final boolean show) {
   281         // On Honeycomb MR2 we have the ViewPropertyAnimator APIs, which allow
   282         // for very easy animations. If available, use these APIs to fade-in
   283         // the progress spinner.
   284         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) {
   285             int shortAnimTime = getResources().getInteger(
   286                     android.R.integer.config_shortAnimTime);
   288             mLoginStatusView.setVisibility(View.VISIBLE);
   289             mLoginStatusView.animate().setDuration(shortAnimTime)
   290                     .alpha(show ? 1 : 0)
   291                     .setListener(new AnimatorListenerAdapter() {
   292                         @Override
   293                         public void onAnimationEnd(Animator animation) {
   294                             mLoginStatusView.setVisibility(show ? View.VISIBLE
   295                                     : View.GONE);
   296                         }
   297                     });
   299             mLoginFormView.setVisibility(View.VISIBLE);
   300             mLoginFormView.animate().setDuration(shortAnimTime)
   301                     .alpha(show ? 0 : 1)
   302                     .setListener(new AnimatorListenerAdapter() {
   303                         @Override
   304                         public void onAnimationEnd(Animator animation) {
   305                             mLoginFormView.setVisibility(show ? View.GONE
   306                                     : View.VISIBLE);
   307                         }
   308                     });
   309         } else {
   310             // The ViewPropertyAnimator APIs are not available, so simply show
   311             // and hide the relevant UI components.
   312             mLoginStatusView.setVisibility(show ? View.VISIBLE : View.GONE);
   313             mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
   314         }
   315     }
   318     protected enum LoginResult {
   319         MalformedURLException,
   320         GeneralSecurityException,
   321         UnkonwnException,
   322         WrongCredentials,
   323         InvalidResponse,
   324         WrongUrl,
   325         ConnectionRefused,
   326         Success_Calendar,
   327         Success_Collection,
   328         UNTRUSTED_CERT,
   329         Account_Already_In_Use
   330     }
   333     /**
   334      * Represents an asynchronous login/registration task used to authenticate
   335      * the user.
   336      */
   337     public class UserLoginTask extends AsyncTask<Void, Void, LoginResult> {
   339         @Override
   340         protected LoginResult doInBackground(Void... params) {
   342             TestConnectionResult result = null;
   344             try {
   345                 CaldavFacade facade = new CaldavFacade(mUser, mPassword, mURL, mTrustAll);
   346                 String version = "";
   347                 try {
   348                     version = mContext.getPackageManager()
   349                             .getPackageInfo(mContext.getPackageName(), 0).versionName;
   350                 } catch (NameNotFoundException e) {
   351                     version = "unknown";
   352                     e.printStackTrace();
   353                 }
   354                 facade.setVersion(version);
   355                 result = facade.testConnection();
   356                 Log.i(TAG, "testConnection status=" + result);
   357             } catch (HttpHostConnectException e) {
   358                 Log.w(TAG, "testConnection", e);
   359                 return LoginResult.ConnectionRefused;
   360             } catch (MalformedURLException e) {
   361                 Log.w(TAG, "testConnection", e);
   362                 return LoginResult.MalformedURLException;
   363             } catch (UnsupportedEncodingException e) {
   364                 Log.w(TAG, "testConnection", e);
   365                 return LoginResult.UnkonwnException;
   366             } catch (ParserConfigurationException e) {
   367                 Log.w(TAG, "testConnection", e);
   368                 return LoginResult.UnkonwnException;
   369             } catch (SAXException e) {
   370                 Log.w(TAG, "testConnection", e);
   371                 return LoginResult.InvalidResponse;
   372             } catch (IOException e) {
   373                 Log.w(TAG, "testConnection", e);
   374                 return LoginResult.UnkonwnException;
   375             } catch (URISyntaxException e) {
   376                 Log.w(TAG, "testConnection", e);
   377                 return LoginResult.MalformedURLException;
   378             }
   380             if (result == null) {
   381                 return LoginResult.UnkonwnException;
   382             }
   384             switch (result) {
   386                 case SSL_ERROR:
   387                     return LoginResult.UNTRUSTED_CERT;
   388                 case SUCCESS:
   389                     boolean OldAccount = false;
   390                     LoginResult Result = LoginResult.Success_Calendar;
   392                     if (OldAccount) {
   393                         final Account account = new Account(mUser, ACCOUNT_TYPE);
   394                         if (mAccountManager.addAccountExplicitly(account, mPassword, null)) {
   395                             Log.v(TAG, "new account created");
   396                             mAccountManager.setUserData(account, USER_DATA_URL_KEY, mURL);
   397                         } else {
   398                             Log.v(TAG, "no new account created");
   399                             Result = LoginResult.Account_Already_In_Use;
   400                         }
   401                     } else {
   402                         final Account account;
   403                         if (mAccountname.equals("")) {
   404                             account = new Account(mUser + ACCOUNT_NAME_SPLITTER + mURL, ACCOUNT_TYPE);
   405                         } else {
   406                             account = new Account(mAccountname, ACCOUNT_TYPE);
   407                         }
   408                         if (mAccountManager.addAccountExplicitly(account, mPassword, null)) {
   409                             Log.v(TAG, "new account created");
   410                             mAccountManager.setUserData(account, USER_DATA_URL_KEY, mURL);
   411                             mAccountManager.setUserData(account, USER_DATA_USERNAME, mUser);
   412                             mAccountManager.setUserData(account, USER_DATA_VERSION, CURRENT_USER_DATA_VERSION);
   413                             mAccountManager.setUserData(account, Constants.USER_DATA_TRUST_ALL_KEY, mTrustAll);
   414                         } else {
   415                             Log.v(TAG, "no new account created");
   416                             Result = LoginResult.Account_Already_In_Use;
   417                         }
   418                     }
   420                     return Result;
   422                 case WRONG_CREDENTIAL:
   423                     return LoginResult.WrongCredentials;
   425                 case WRONG_SERVER_STATUS:
   426                     return LoginResult.InvalidResponse;
   428                 case WRONG_URL:
   429                     return LoginResult.WrongUrl;
   431                 case WRONG_ANSWER:
   432                     return LoginResult.InvalidResponse;
   434                 default:
   435                     return LoginResult.UnkonwnException;
   437             }
   439         }
   442         @Override
   443         protected void onPostExecute(final LoginResult result) {
   444             mAuthTask = null;
   445             showProgress(false);
   447             int duration = Toast.LENGTH_SHORT;
   448             Toast toast = null;
   450             switch (result) {
   451                 case Success_Calendar:
   452                     toast = Toast.makeText(getApplicationContext(), R.string.success_calendar, duration);
   453                     toast.show();
   454                     finish();
   455                     break;
   457                 case Success_Collection:
   458                     toast = Toast.makeText(getApplicationContext(), R.string.success_collection, duration);
   459                     toast.show();
   460                     finish();
   461                     break;
   463                 case MalformedURLException:
   465                     toast = Toast.makeText(getApplicationContext(), R.string.error_incorrect_url_format, duration);
   466                     toast.show();
   467                     mURLView.setError(getString(R.string.error_incorrect_url_format));
   468                     mURLView.requestFocus();
   469                     break;
   470                 case InvalidResponse:
   471                     toast = Toast.makeText(getApplicationContext(), R.string.error_invalid_server_answer, duration);
   472                     toast.show();
   473                     mURLView.setError(getString(R.string.error_invalid_server_answer));
   474                     mURLView.requestFocus();
   475                     break;
   476                 case WrongUrl:
   477                     toast = Toast.makeText(getApplicationContext(), R.string.error_wrong_url, duration);
   478                     toast.show();
   479                     mURLView.setError(getString(R.string.error_wrong_url));
   480                     mURLView.requestFocus();
   481                     break;
   483                 case GeneralSecurityException:
   484                     break;
   485                 case UnkonwnException:
   486                     break;
   487                 case WrongCredentials:
   488                     mPasswordView.setError(getString(R.string.error_incorrect_password));
   489                     mPasswordView.requestFocus();
   490                     break;
   492                 case ConnectionRefused:
   493                     toast = Toast.makeText(getApplicationContext(), R.string.error_connection_refused, duration);
   494                     toast.show();
   495                     mURLView.setError(getString(R.string.error_connection_refused));
   496                     mURLView.requestFocus();
   497                     break;
   498                 case UNTRUSTED_CERT:
   499                     toast = Toast.makeText(getApplicationContext(), getString(R.string.error_untrusted_certificate), duration);
   500                     toast.show();
   501                     mURLView.setError(getString(R.string.error_ssl));
   502                     mURLView.requestFocus();
   503                     break;
   504                 case Account_Already_In_Use:
   505                     toast = Toast.makeText(getApplicationContext(), R.string.error_account_already_in_use, duration);
   506                     toast.show();
   507                     mURLView.setError(getString(R.string.error_account_already_in_use));
   508                     mURLView.requestFocus();
   509                     break;
   510                 default:
   511                     toast = Toast.makeText(getApplicationContext(), R.string.error_unkown_error, duration);
   512                     toast.show();
   513                     mURLView.setError(getString(R.string.error_unkown_error));
   514                     mURLView.requestFocus();
   515                     break;
   516             }
   519         }
   521         @Override
   522         protected void onCancelled() {
   523             mAuthTask = null;
   524             showProgress(false);
   525         }
   526     }
   527 }

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