      1: <?php
      2:
      3: // include the config file
      4: if(!isset($config)) {
      5:     require_once '../util/AlphaConfig.inc';
      6:     $config = AlphaConfig::getInstance();
      7:
      8:     require_once $config->get('app.root').'alpha/util/AlphaAutoLoader.inc';
      9: }
     10:
     11: /**
     12:  *
     13:  * Login controller that adds the current user object to the session
     14:  *
     15:  * @package alpha::controller
     16:  * @since 1.0
     17:  * @author John Collins <dev@alphaframework.org>
     18:  * @version $Id: Login.php 1624 2012-12-21 12:17:55Z alphadevx $
     19:  * @license http://www.opensource.org/licenses/bsd-license.php The BSD License
     20:  * @copyright Copyright (c) 2012, John Collins (founder of Alpha Framework).
     21:  * All rights reserved.
     22:  *
     23:  * <pre>
     24:  * Redistribution and use in source and binary forms, with or
     25:  * without modification, are permitted provided that the
     26:  * following conditions are met:
     27:  *
     28:  * * Redistributions of source code must retain the above
     29:  *   copyright notice, this list of conditions and the
     30:  *   following disclaimer.
     31:  * * Redistributions in binary form must reproduce the above
     32:  *   copyright notice, this list of conditions and the
     33:  *   following disclaimer in the documentation and/or other
     34:  *   materials provided with the distribution.
     35:  * * Neither the name of the Alpha Framework nor the names
     36:  *   of its contributors may be used to endorse or promote
     37:  *   products derived from this software without specific
     38:  *   prior written permission.
     39:  *
     40:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
     41:  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
     42:  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     43:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     44:  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
     45:  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     46:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     47:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     48:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     49:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     50:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     51:  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     52:  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     53:  * </pre>
     54:  *
     55:  */
     56: class Login extends AlphaController implements AlphaControllerInterface {
     57:     /**
     58:      * The person to be logged in
     59:      *
     60:      * @var PersonObject
     61:      * @since 1.0
     62:      */
     63:     protected $personObject;
     64:
     65:     /**
     66:      * The person view object
     67:      *
     68:      * @var PersonView
     69:      * @since 1.0
     70:      */
     71:     private $personView;
     72:
     73:     /**
     74:      * Trace logger
     75:      *
     76:      * @var Logger
     77:      * @since 1.0
     78:      */
     79:     private static $logger = null;
     80:
     81:     /**
     82:      * constructor to set up the object
     83:      * @since 1.0
     84:      */
     85:     public function __construct() {
     86:         self::$logger = new Logger('Login');
     87:         self::$logger->debug('>>__construct()');
     88:
     89:         global $config;
     90:
     91:         // ensure that the super class constructor is called, indicating the rights group
     92:         parent::__construct('Public');
     93:
     94:         $this->personObject = new PersonObject();
     95:         $this->personView = AlphaView::getInstance($this->personObject);
     96:         $this->setBO($this->personObject);
     97:
     98:         // set up the title and meta details
     99:         $this->setTitle('Login to '.$config->get('app.title'));
    100:         $this->setDescription('Login page.');
    101:         $this->setKeywords('login,logon');
    102:
    103:         self::$logger->debug('<<__construct');
    104:     }
    105:
    106:     /**
    107:      * Handle GET requests
    108:      *
    109:      * @param array $params
    110:      * @throws IllegalArguementException
    111:      * @since 1.0
    112:      */
    113:     public function doGET($params) {
    114:         self::$logger->debug('>>doGET($params=['.var_export($params, true).'])');
    115:
    116:         if(!is_array($params))
    117:             throw new IllegalArguementException('Bad $params ['.var_export($params, true).'] passed to doGET method!');
    118:
    119:         echo AlphaView::displayPageHead($this);
    120:
    121:         if (isset($params['reset']))
    122:             echo $this->personView->displayResetForm();
    123:         else
    124:             echo $this->personView->displayLoginForm();
    125:
    126:         echo AlphaView::displayPageFoot($this);
    127:
    128:         self::$logger->debug('<<doGET');
    129:     }
    130:
    131:     /**
    132:      * Handle POST requests (adds $currentUser PersonObject to the session)
    133:      *
    134:      * @param array $params
    135:      * @throws IllegalArguementException
    136:      * @since 1.0
    137:      */
    138:     public function doPOST($params) {
    139:         self::$logger->debug('>>doPOST($params=['.var_export($params, true).'])');
    140:
    141:         if(!is_array($params))
    142:             throw new IllegalArguementException('Bad $params ['.var_export($params, true).'] passed to doPOST method!');
    143:
    144:         global $config;
    145:
    146:         try {
    147:             // check the hidden security fields before accepting the form POST data
    148:             if(!$this->checkSecurityFields())
    149:                 throw new SecurityException('This page cannot accept post data from remote servers!');
    150:
    151:             if (isset($params['loginBut'])) {
    152:                 // if the database has not been set up yet, accept a login from the config admin username/password
    153:                 if(!AlphaDAO::isInstalled()) {
    154:                     if ($params['email'] == $config->get('app.install.username') && crypt($params['password'], $config->get('app.install.password')) ==
    155:                         crypt($config->get('app.install.password'), $config->get('app.install.password'))) {
    156:
    157:                         self::$logger->info('Logging in ['.$params['email'].'] at ['.date("Y-m-d H:i:s").']');
    158:                         $admin = new PersonObject();
    159:                         $admin->set('displayName', 'Admin');
    160:                         $admin->set('email', $params['email']);
    161:                         $admin->set('password', crypt($params['password'], $config->get('app.install.password')));
    162:                         $admin->set('OID', '00000000001');
    163:                         $_SESSION['currentUser'] = $admin;
    164:                         if ($this->getNextJob() != '') {
    165:                             $url = FrontController::generateSecureURL('act='.$this->getNextJob());
    166:                             self::$logger->info('Redirecting to ['.$url.']');
    167:                             header('Location: '.$url);
    168:                             exit;
    169:                         }else{
    170:                             header('Location: '.$config->get('app.url').'alpha/controller/Install.php');
    171:                             exit;
    172:                         }
    173:                     }else{
    174:                         throw new ValidationException('Failed to login user '.$params['email'].', the password is incorrect!');
    175:                     }
    176:                 }else{
    177:                     // here we are attempting to load the person from the email address
    178:                     $this->personObject->loadByAttribute('email', $params['email'], true);
    179:
    180:                     AlphaDAO::disconnect();
    181:
    182:                     // checking to see if the account has been disabled
    183:                     if (!$this->personObject->isTransient() && $this->personObject->get('state') == 'Disabled')
    184:                         throw new SecurityException('Failed to login user '.$params['email'].', that account has been disabled!');
    185:
    186:                     // check the password
    187:                     $this->doLoginAndRedirect($params['password']);
    188:                 }
    189:
    190:                 echo AlphaView::displayPageHead($this);
    191:
    192:                 echo $this->personView->displayLoginForm();
    193:             }
    194:
    195:             if (isset($params['resetBut'])) {
    196:                 // here we are attempting to load the person from the email address
    197:                 $this->personObject->loadByAttribute('email', $params['email']);
    198:
    199:                 AlphaDAO::disconnect();
    200:
    201:                 // generate a new random password
    202:                 $new_password = $this->personObject->generatePassword();
    203:
    204:                 // now encrypt and save the new password, then e-mail the user
    205:                 $this->personObject->set('password', crypt($new_password));
    206:                 $this->personObject->save();
    207:
    208:                 $message = 'The password for your account has been reset to '.$new_password.' as you requested.  You can now login to the site using your '.
    209:                     'e-mail address and this new password as before.';
    210:                 $subject = 'Password change request';
    211:
    212:                 $this->personObject->sendMail($message, $subject);
    213:
    214:                 echo AlphaView::displayUpdateMessage('The password for the user <strong>'.$params['email'].'</strong> has been reset, and the new password '.
    215:                     'has been sent to that e-mail address.');
    216:                 echo '<a href="'.$config->get('app.url').'">Home Page</a>';
    217:             }
    218:         }catch(ValidationException $e) {
    219:             echo AlphaView::displayPageHead($this);
    220:
    221:             echo AlphaView::displayErrorMessage($e->getMessage());
    222:
    223:             echo $this->personView->displayLoginForm();
    224:
    225:             self::$logger->warn($e->getMessage());
    226:         }catch(SecurityException $e) {
    227:             echo AlphaView::displayPageHead($this);
    228:
    229:             echo AlphaView::displayErrorMessage($e->getMessage());
    230:
    231:             self::$logger->warn($e->getMessage());
    232:         }catch(BONotFoundException $e) {
    233:             echo AlphaView::displayPageHead($this);
    234:
    235:             echo AlphaView::displayErrorMessage('Failed to find the user \''.$params['email'].'\'');
    236:
    237:             echo $this->personView->displayLoginForm();
    238:
    239:             self::$logger->warn($e->getMessage());
    240:         }
    241:
    242:         echo AlphaView::displayPageFoot($this);
    243:         self::$logger->debug('<<doPOST');
    244:     }
    245:
    246:     /**
    247:      * Login the user and re-direct to the defined destination
    248:      *
    249:      * @param string $password The password supplied by the user logging in
    250:      * @throws ValidationException
    251:      * @since 1.0
    252:      */
    253:     protected function doLoginAndRedirect($password) {
    254:         self::$logger->debug('>>doLoginAndRedirect(password=['.$password.'])');
    255:
    256:         global $config;
    257:
    258:         if (!$this->personObject->isTransient() && $this->personObject->get('state') == 'Active') {
    259:             if (crypt($password, $this->personObject->get('password')) == $this->personObject->get('password')) {
    260:
    261:                 self::$logger->info('Logging in ['.$this->personObject->get('email').'] at ['.date("Y-m-d H:i:s").']');
    262:
    263:                 $_SESSION['currentUser'] = $this->personObject;
    264:
    265:                 if ($this->getNextJob() != '') {
    266:                     self::$logger->debug('<<doLoginAndRedirect');
    267:                     $url = FrontController::generateSecureURL('act='.$this->getNextJob());
    268:                     header('Location: '.$url);
    269:                     exit;
    270:                 }else{
    271:                     self::$logger->debug('<<doLoginAndRedirect');
    272:                     header('Location: '.$config->get('app.url'));
    273:                     exit;
    274:                 }
    275:             }else{
    276:                 throw new ValidationException('Failed to login user '.$this->personObject->get('email').', the password is incorrect!');
    277:                 self::$logger->debug('<<doLoginAndRedirect');
    278:             }
    279:         }
    280:     }
    281:
    282:     /**
    283:      * Displays the application version number on the login screen.
    284:      *
    285:      * @return string
    286:      * @since 1.0
    287:      */
    288:     public function before_displayPageFoot_callback() {
    289:         global $config;
    290:
    291:         return '<p><em>Version '.$config->get('app.version').'</em></p>';
    292:     }
    293: }
    294:
    295: // now build the new controller if this file is called directly
    296: if ('Login.php' == basename($_SERVER['PHP_SELF'])) {
    297:     $controller = new Login();
    298:
    299:     if(!empty($_POST)) {
    300:         $controller->doPOST($_POST);
    301:     }else{
    302:         $controller->doGET($_GET);
    303:     }
    304: }
    305:
    306: ?>