CRM/Utils/System/Joomla.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | CiviCRM version 5                                                  |
   5  +--------------------------------------------------------------------+
   6  | Copyright CiviCRM LLC (c) 2004-2018                                |
   7  +--------------------------------------------------------------------+
   8  | This file is a part of CiviCRM.                                    |
   9  |                                                                    |
  10  | CiviCRM is free software; you can copy, modify, and distribute it  |
  11  | under the terms of the GNU Affero General Public License           |
  12  | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
  13  |                                                                    |
  14  | CiviCRM is distributed in the hope that it will be useful, but     |
  15  | WITHOUT ANY WARRANTY; without even the implied warranty of         |
  16  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
  17  | See the GNU Affero General Public License for more details.        |
  18  |                                                                    |
  19  | You should have received a copy of the GNU Affero General Public   |
  20  | License and the CiviCRM Licensing Exception along                  |
  21  | with this program; if not, contact CiviCRM LLC                     |
  22  | at info[AT]civicrm[DOT]org. If you have questions about the        |
  23  | GNU Affero General Public License or the licensing of CiviCRM,     |
  24  | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
  25  +--------------------------------------------------------------------+
  26  */
  27
  28 /**
  29  *
  30  * @package CRM
  31  * @copyright CiviCRM LLC (c) 2004-2018
  32  */
  33
  34 /**
  35  * Joomla specific stuff goes here.
  36  */
  37 class CRM_Utils_System_Joomla extends CRM_Utils_System_Base {
  38   /**
  39    * Class constructor.
  40    */
  41   public function __construct() {
  42     /**
  43      * deprecated property to check if this is a drupal install. The correct method is to have functions on the UF classes for all UF specific
  44      * functions and leave the codebase oblivious to the type of CMS
  45      * @deprecated
  46      * @var bool
  47      */
  48     $this->is_drupal = FALSE;
  49   }
  50
  51   /**
  52    * @inheritDoc
  53    */
  54   public function createUser(&$params, $mail) {
  55     $baseDir = JPATH_SITE;
  56     require_once $baseDir . '/components/com_users/models/registration.php';
  57
  58     $userParams = JComponentHelper::getParams('com_users');
  59     $model = new UsersModelRegistration();
  60     $ufID = NULL;
  61
  62     // get the default usertype
  63     $userType = $userParams->get('new_usertype');
  64     if (!$userType) {
  65       $userType = 2;
  66     }
  67
  68     if (isset($params['name'])) {
  69       $fullname = trim($params['name']);
  70     }
  71     elseif (isset($params['contactID'])) {
  72       $fullname = trim(CRM_Contact_BAO_Contact::displayName($params['contactID']));
  73     }
  74     else {
  75       $fullname = trim($params['cms_name']);
  76     }
  77
  78     // Prepare the values for a new Joomla user.
  79     $values = array();
  80     $values['name'] = $fullname;
  81     $values['username'] = trim($params['cms_name']);
  82     $values['password1'] = $values['password2'] = $params['cms_pass'];
  83     $values['email1'] = $values['email2'] = trim($params[$mail]);
  84
  85     $lang = JFactory::getLanguage();
  86     $lang->load('com_users', $baseDir);
  87
  88     $register = $model->register($values);
  89
  90     $ufID = JUserHelper::getUserId($values['username']);
  91     return $ufID;
  92   }
  93
  94   /**
  95    * @inheritDoc
  96    */
  97   public function updateCMSName($ufID, $ufName) {
  98     $ufID = CRM_Utils_Type::escape($ufID, 'Integer');
  99     $ufName = CRM_Utils_Type::escape($ufName, 'String');
 100
 101     $values = array();
 102     $user = JUser::getInstance($ufID);
 103
 104     $values['email'] = $ufName;
 105     $user->bind($values);
 106
 107     $user->save();
 108   }
 109
 110   /**
 111    * Check if username and email exists in the Joomla db.
 112    *
 113    * @param array $params
 114    *   Array of name and mail values.
 115    * @param array $errors
 116    *   Array of errors.
 117    * @param string $emailName
 118    *   Field label for the 'email'.
 119    */
 120   public function checkUserNameEmailExists(&$params, &$errors, $emailName = 'email') {
 121     $config = CRM_Core_Config::singleton();
 122
 123     $dao = new CRM_Core_DAO();
 124     $name = $dao->escape(CRM_Utils_Array::value('name', $params));
 125     $email = $dao->escape(CRM_Utils_Array::value('mail', $params));
 126     //don't allow the special characters and min. username length is two
 127     //regex \\ to match a single backslash would become '/\\\\/'
 128     $isNotValid = (bool) preg_match('/[\<|\>|\"|\'|\%|\;|\(|\)|\&|\\\\|\/]/im', $name);
 129     if ($isNotValid || strlen($name) < 2) {
 130       $errors['cms_name'] = ts('Your username contains invalid characters or is too short');
 131     }
 132
 133     $JUserTable = &JTable::getInstance('User', 'JTable');
 134
 135     $db = $JUserTable->getDbo();
 136     $query = $db->getQuery(TRUE);
 137     $query->select('username, email');
 138     $query->from($JUserTable->getTableName());
 139
 140     // LOWER in query below roughly translates to 'hurt my database without deriving any benefit' See CRM-19811.
 141     $query->where('(LOWER(username) = LOWER(\'' . $name . '\')) OR (LOWER(email) = LOWER(\'' . $email . '\'))');
 142     $db->setQuery($query, 0, 10);
 143     $users = $db->loadAssocList();
 144
 145     $row = array();
 146     if (count($users)) {
 147       $row = $users[0];
 148     }
 149
 150     if (!empty($row)) {
 151       $dbName = CRM_Utils_Array::value('username', $row);
 152       $dbEmail = CRM_Utils_Array::value('email', $row);
 153       if (strtolower($dbName) == strtolower($name)) {
 154         $errors['cms_name'] = ts('The username %1 is already taken. Please select another username.',
 155           array(1 => $name)
 156         );
 157       }
 158       if (strtolower($dbEmail) == strtolower($email)) {
 159         $resetUrl = str_replace('administrator/', '', $config->userFrameworkBaseURL) . 'index.php?option=com_users&view=reset';
 160         $errors[$emailName] = ts('The email address %1 already has an account associated with it. <a href="%2">Have you forgotten your password?</a>',
 161           array(1 => $email, 2 => $resetUrl)
 162         );
 163       }
 164     }
 165   }
 166
 167   /**
 168    * @inheritDoc
 169    */
 170   public function setTitle($title, $pageTitle = NULL) {
 171     if (!$pageTitle) {
 172       $pageTitle = $title;
 173     }
 174
 175     $template = CRM_Core_Smarty::singleton();
 176     $template->assign('pageTitle', $pageTitle);
 177
 178     $document = JFactory::getDocument();
 179     $document->setTitle($title);
 180   }
 181
 182   /**
 183    * @inheritDoc
 184    */
 185   public function appendBreadCrumb($breadCrumbs) {
 186     $template = CRM_Core_Smarty::singleton();
 187     $bc = $template->get_template_vars('breadcrumb');
 188
 189     if (is_array($breadCrumbs)) {
 190       foreach ($breadCrumbs as $crumbs) {
 191         if (stripos($crumbs['url'], 'id%%')) {
 192           $args = array('cid', 'mid');
 193           foreach ($args as $a) {
 194             $val = CRM_Utils_Request::retrieve($a, 'Positive', CRM_Core_DAO::$_nullObject,
 195               FALSE, NULL, $_GET
 196             );
 197             if ($val) {
 198               $crumbs['url'] = str_ireplace("%%{$a}%%", $val, $crumbs['url']);
 199             }
 200           }
 201         }
 202         $bc[] = $crumbs;
 203       }
 204     }
 205     $template->assign_by_ref('breadcrumb', $bc);
 206   }
 207
 208   /**
 209    * @inheritDoc
 210    */
 211   public function resetBreadCrumb() {
 212   }
 213
 214   /**
 215    * @inheritDoc
 216    */
 217   public function addHTMLHead($string = NULL) {
 218     if ($string) {
 219       $document = JFactory::getDocument();
 220       $document->addCustomTag($string);
 221     }
 222   }
 223
 224   /**
 225    * @inheritDoc
 226    */
 227   public function addStyleUrl($url, $region) {
 228     if ($region == 'html-header') {
 229       $document = JFactory::getDocument();
 230       $document->addStyleSheet($url);
 231       return TRUE;
 232     }
 233     return FALSE;
 234   }
 235
 236   /**
 237    * @inheritDoc
 238    */
 239   public function addStyle($code, $region) {
 240     if ($region == 'html-header') {
 241       $document = JFactory::getDocument();
 242       $document->addStyleDeclaration($code);
 243       return TRUE;
 244     }
 245     return FALSE;
 246   }
 247
 248   /**
 249    * @inheritDoc
 250    */
 251   public function url(
 252     $path = NULL,
 253     $query = NULL,
 254     $absolute = FALSE,
 255     $fragment = NULL,
 256     $frontend = FALSE,
 257     $forceBackend = FALSE
 258   ) {
 259     $config = CRM_Core_Config::singleton();
 260     $separator = '&';
 261     $Itemid = '';
 262     $script = '';
 263     $path = CRM_Utils_String::stripPathChars($path);
 264
 265     if ($config->userFrameworkFrontend) {
 266       $script = 'index.php';
 267       if (JRequest::getVar("Itemid") && (strpos($path, 'civicrm/payment/ipn') === FALSE)) {
 268         $Itemid = "{$separator}Itemid=" . JRequest::getVar("Itemid");
 269       }
 270     }
 271
 272     if (isset($fragment)) {
 273       $fragment = '#' . $fragment;
 274     }
 275
 276     $base = $absolute ? $config->userFrameworkBaseURL : $config->useFrameworkRelativeBase;
 277
 278     if (!empty($query)) {
 279       $url = "{$base}{$script}?option=com_civicrm{$separator}task={$path}{$Itemid}{$separator}{$query}{$fragment}";
 280     }
 281     else {
 282       $url = "{$base}{$script}?option=com_civicrm{$separator}task={$path}{$Itemid}{$fragment}";
 283     }
 284
 285     // gross hack for joomla, we are in the backend and want to send a frontend url
 286     if ($frontend && $config->userFramework == 'Joomla') {
 287       // handle both joomla v1.5 and v1.6, CRM-7939
 288       $url = str_replace('/administrator/index2.php', '/index.php', $url);
 289       $url = str_replace('/administrator/index.php', '/index.php', $url);
 290
 291       // CRM-8215
 292       $url = str_replace('/administrator/', '/index.php', $url);
 293     }
 294     elseif ($forceBackend) {
 295       if (defined('JVERSION')) {
 296         $joomlaVersion = JVERSION;
 297       }
 298       else {
 299         $jversion = new JVersion();
 300         $joomlaVersion = $jversion->getShortVersion();
 301       }
 302
 303       if (version_compare($joomlaVersion, '1.6') >= 0) {
 304         $url = str_replace('/index.php', '/administrator/index.php', $url);
 305       }
 306     }
 307     return $url;
 308   }
 309
 310   /**
 311    * Set the email address of the user.
 312    *
 313    * @param object $user
 314    *   Handle to the user object.
 315    */
 316   public function setEmail(&$user) {
 317     global $database;
 318     $query = $db->getQuery(TRUE);
 319     $query->select($db->quoteName('email'))
 320           ->from($db->quoteName('#__users'))
 321           ->where($db->quoteName('id') . ' = ' . $user->id);
 322     $database->setQuery($query);
 323     $user->email = $database->loadResult();
 324   }
 325
 326   /**
 327    * @inheritDoc
 328    */
 329   public function authenticate($name, $password, $loadCMSBootstrap = FALSE, $realPath = NULL) {
 330     require_once 'DB.php';
 331
 332     $config = CRM_Core_Config::singleton();
 333     $user = NULL;
 334
 335     if ($loadCMSBootstrap) {
 336       $bootStrapParams = array();
 337       if ($name && $password) {
 338         $bootStrapParams = array(
 339           'name' => $name,
 340           'pass' => $password,
 341         );
 342       }
 343       CRM_Utils_System::loadBootStrap($bootStrapParams, TRUE, TRUE, FALSE);
 344     }
 345
 346     jimport('joomla.application.component.helper');
 347     jimport('joomla.database.table');
 348     jimport('joomla.user.helper');
 349
 350     $JUserTable = JTable::getInstance('User', 'JTable');
 351
 352     $db = $JUserTable->getDbo();
 353     $query = $db->getQuery(TRUE);
 354     $query->select('id, name, username, email, password');
 355     $query->from($JUserTable->getTableName());
 356     $query->where('(LOWER(username) = LOWER(\'' . $name . '\')) AND (block = 0)');
 357     $db->setQuery($query, 0, 0);
 358     $users = $db->loadObjectList();
 359
 360     $row = array();
 361     if (count($users)) {
 362       $row = $users[0];
 363     }
 364
 365     $joomlaBase = self::getBasePath();
 366     self::getJVersion($joomlaBase);
 367
 368     if (!empty($row)) {
 369       $dbPassword = $row->password;
 370       $dbId = $row->id;
 371       $dbEmail = $row->email;
 372
 373       if (version_compare(JVERSION, '2.5.18', 'lt') ||
 374         (version_compare(JVERSION, '3.0', 'ge') && version_compare(JVERSION, '3.2.1', 'lt'))
 375       ) {
 376         // now check password
 377         list($hash, $salt) = explode(':', $dbPassword);
 378         $cryptpass = md5($password . $salt);
 379         if ($hash != $cryptpass) {
 380           return FALSE;
 381         }
 382       }
 383       else {
 384         if (!JUserHelper::verifyPassword($password, $dbPassword, $dbId)) {
 385           return FALSE;
 386         }
 387
 388         if (version_compare(JVERSION, '3.8.0', 'ge')) {
 389           jimport('joomla.application.helper');
 390           jimport('joomla.application.cms');
 391           jimport('joomla.application.administrator');
 392         }
 393         //include additional files required by Joomla 3.2.1+
 394         elseif (version_compare(JVERSION, '3.2.1', 'ge')) {
 395           require_once $joomlaBase . '/libraries/cms/application/helper.php';
 396           require_once $joomlaBase . '/libraries/cms/application/cms.php';
 397           require_once $joomlaBase . '/libraries/cms/application/administrator.php';
 398         }
 399       }
 400
 401       CRM_Core_BAO_UFMatch::synchronizeUFMatch($row, $dbId, $dbEmail, 'Joomla');
 402       $contactID = CRM_Core_BAO_UFMatch::getContactId($dbId);
 403       if (!$contactID) {
 404         return FALSE;
 405       }
 406       return array($contactID, $dbId, mt_rand());
 407     }
 408
 409     return FALSE;
 410   }
 411
 412   /**
 413    * Set a init session with user object.
 414    *
 415    * @param array $data
 416    *   Array with user specific data.
 417    */
 418   public function setUserSession($data) {
 419     list($userID, $ufID) = $data;
 420     $user = new JUser($ufID);
 421     $session = JFactory::getSession();
 422     $session->set('user', $user);
 423
 424     parent::setUserSession($data);
 425   }
 426
 427   /**
 428    * FIXME: Do something
 429    *
 430    * @param string $message
 431    */
 432   public function setMessage($message) {
 433   }
 434
 435   /**
 436    * @param \string $username
 437    * @param \string $password
 438    *
 439    * @return bool
 440    */
 441   public function loadUser($username, $password = NULL) {
 442     $uid = JUserHelper::getUserId($username);
 443     if (empty($uid)) {
 444       return FALSE;
 445     }
 446     $contactID = CRM_Core_BAO_UFMatch::getContactId($uid);
 447     if (!empty($password)) {
 448       $instance = JFactory::getApplication('site');
 449       $params = array(
 450         'username' => $username,
 451         'password' => $password,
 452       );
 453       //perform the login action
 454       $instance->login($params);
 455     }
 456
 457     $session = CRM_Core_Session::singleton();
 458     $session->set('ufID', $uid);
 459     $session->set('userID', $contactID);
 460     return TRUE;
 461   }
 462
 463   /**
 464    * FIXME: Use CMS-native approach
 465    */
 466   public function permissionDenied() {
 467     CRM_Core_Error::fatal(ts('You do not have permission to access this page.'));
 468   }
 469
 470   /**
 471    * @inheritDoc
 472    */
 473   public function logout() {
 474     session_destroy();
 475     CRM_Utils_System::setHttpHeader("Location", "index.php");
 476   }
 477
 478   /**
 479    * @inheritDoc
 480    */
 481   public function getUFLocale() {
 482     if (defined('_JEXEC')) {
 483       $conf = JFactory::getConfig();
 484       $locale = $conf->get('language');
 485       return str_replace('-', '_', $locale);
 486     }
 487     return NULL;
 488   }
 489
 490   /**
 491    * @inheritDoc
 492    */
 493   public function setUFLocale($civicrm_language) {
 494     // TODO
 495     return TRUE;
 496   }
 497
 498   /**
 499    * @inheritDoc
 500    */
 501   public function getVersion() {
 502     if (class_exists('JVersion')) {
 503       $version = new JVersion();
 504       return $version->getShortVersion();
 505     }
 506     else {
 507       return 'Unknown';
 508     }
 509   }
 510
 511   public function getJVersion($joomlaBase) {
 512     // Files may be in different places depending on Joomla version
 513     if (!defined('JVERSION')) {
 514       // Joomla 3.8.0+
 515       $versionPhp = $joomlaBase . '/libraries/src/Version.php';
 516       if (!file_exists($versionPhp)) {
 517         // Joomla < 3.8.0
 518         $versionPhp = $joomlaBase . '/libraries/cms/version/version.php';
 519       }
 520       require $versionPhp;
 521       $jversion = new JVersion();
 522       define('JVERSION', $jversion->getShortVersion());
 523     }
 524   }
 525
 526   /**
 527    * Setup the base path related constant.
 528    * @return mixed
 529    */
 530   public function getBasePath() {
 531     global $civicrm_root;
 532     $joomlaPath = explode('/administrator', $civicrm_root);
 533     $joomlaBase = $joomlaPath[0];
 534     return $joomlaBase;
 535   }
 536
 537   /**
 538    * Load joomla bootstrap.
 539    *
 540    * @param array $params
 541    *   with uid or name and password.
 542    * @param bool $loadUser
 543    *   load cms user?.
 544    * @param bool|\throw $throwError throw error on failure?
 545    * @param null $realPath
 546    * @param bool $loadDefines
 547    *
 548    * @return bool
 549    */
 550   public function loadBootStrap($params = array(), $loadUser = TRUE, $throwError = TRUE, $realPath = NULL, $loadDefines = TRUE) {
 551     $joomlaBase = self::getBasePath();
 552
 553     // load BootStrap here if needed
 554     // We are a valid Joomla entry point.
 555     if (!defined('_JEXEC') && $loadDefines) {
 556       define('_JEXEC', 1);
 557       define('DS', DIRECTORY_SEPARATOR);
 558       define('JPATH_BASE', $joomlaBase . '/administrator');
 559       require $joomlaBase . '/administrator/includes/defines.php';
 560     }
 561
 562     // Get the framework.
 563     if (file_exists($joomlaBase . '/libraries/import.legacy.php')) {
 564       require $joomlaBase . '/libraries/import.legacy.php';
 565     }
 566     require $joomlaBase . '/libraries/cms.php';
 567     self::getJVersion($joomlaBase);
 568
 569     if (version_compare(JVERSION, '3.8', 'lt')) {
 570       require $joomlaBase . '/libraries/import.php';
 571       require $joomlaBase . '/libraries/joomla/event/dispatcher.php';
 572     }
 573
 574     require_once $joomlaBase . '/configuration.php';
 575
 576     if (version_compare(JVERSION, '3.0', 'lt')) {
 577       require $joomlaBase . '/libraries/joomla/environment/uri.php';
 578       require $joomlaBase . '/libraries/joomla/application/component/helper.php';
 579     }
 580     elseif (version_compare(JVERSION, '3.8', 'lt')) {
 581       jimport('joomla.environment.uri');
 582     }
 583
 584     if (version_compare(JVERSION, '3.8', 'lt')) {
 585       jimport('joomla.application.cli');
 586     }
 587
 588     if (!defined('JDEBUG')) {
 589       define('JDEBUG', FALSE);
 590     }
 591
 592     // CRM-14281 Joomla wasn't available during bootstrap, so hook_civicrm_config never executes.
 593     $config = CRM_Core_Config::singleton();
 594     CRM_Utils_Hook::config($config);
 595
 596     return TRUE;
 597   }
 598
 599   /**
 600    * @inheritDoc
 601    */
 602   public function isUserLoggedIn() {
 603     $user = JFactory::getUser();
 604     return ($user->guest) ? FALSE : TRUE;
 605   }
 606
 607   /**
 608    * @inheritDoc
 609    */
 610   public function isUserRegistrationPermitted() {
 611     $userParams = JComponentHelper::getParams('com_users');
 612     if (!$userParams->get('allowUserRegistration')) {
 613       return FALSE;
 614     }
 615     return TRUE;
 616   }
 617
 618   /**
 619    * @inheritDoc
 620    */
 621   public function isPasswordUserGenerated() {
 622     return TRUE;
 623   }
 624
 625   /**
 626    * @inheritDoc
 627    */
 628   public function getLoggedInUfID() {
 629     $user = JFactory::getUser();
 630     return ($user->guest) ? NULL : $user->id;
 631   }
 632
 633   /**
 634    * @inheritDoc
 635    */
 636   public function getLoggedInUniqueIdentifier() {
 637     $user = JFactory::getUser();
 638     return $this->getUniqueIdentifierFromUserObject($user);
 639   }
 640
 641   /**
 642    * @inheritDoc
 643    */
 644   public function getUser($contactID) {
 645     $user_details = parent::getUser($contactID);
 646     $user = JFactory::getUser($user_details['id']);
 647     $user_details['name'] = $user->name;
 648     return $user_details;
 649   }
 650
 651   /**
 652    * @inheritDoc
 653    */
 654   public function getUserIDFromUserObject($user) {
 655     return !empty($user->id) ? $user->id : NULL;
 656   }
 657
 658   /**
 659    * @inheritDoc
 660    */
 661   public function getUniqueIdentifierFromUserObject($user) {
 662     return ($user->guest) ? NULL : $user->email;
 663   }
 664
 665   /**
 666    * @inheritDoc
 667    */
 668   public function getTimeZoneString() {
 669     $timezone = JFactory::getConfig()->get('offset');
 670     return !$timezone ? date_default_timezone_get() : $timezone;
 671   }
 672
 673   /**
 674    * Get a list of all installed modules, including enabled and disabled ones
 675    *
 676    * @return array
 677    *   CRM_Core_Module
 678    */
 679   public function getModules() {
 680     $result = array();
 681
 682     $db = JFactory::getDbo();
 683     $query = $db->getQuery(TRUE);
 684     $query->select('type, folder, element, enabled')
 685       ->from('#__extensions')
 686       ->where('type =' . $db->Quote('plugin'));
 687     $plugins = $db->setQuery($query)->loadAssocList();
 688     foreach ($plugins as $plugin) {
 689       // question: is the folder really a critical part of the plugin's name?
 690       $name = implode('.', array('joomla', $plugin['type'], $plugin['folder'], $plugin['element']));
 691       $result[] = new CRM_Core_Module($name, $plugin['enabled'] ? TRUE : FALSE);
 692     }
 693
 694     return $result;
 695   }
 696
 697   /**
 698    * @inheritDoc
 699    */
 700   public function getLoginURL($destination = '') {
 701     $config = CRM_Core_Config::singleton();
 702     $loginURL = $config->userFrameworkBaseURL;
 703     $loginURL = str_replace('administrator/', '', $loginURL);
 704     $loginURL .= 'index.php?option=com_users&view=login';
 705
 706     //CRM-14872 append destination
 707     if (!empty($destination)) {
 708       $loginURL .= '&return=' . urlencode(base64_encode($destination));
 709     }
 710     return $loginURL;
 711   }
 712
 713   /**
 714    * @inheritDoc
 715    */
 716   public function getLoginDestination(&$form) {
 717     $args = NULL;
 718
 719     $id = $form->get('id');
 720     if ($id) {
 721       $args .= "&id=$id";
 722     }
 723     else {
 724       $gid = $form->get('gid');
 725       if ($gid) {
 726         $args .= "&gid=$gid";
 727       }
 728       else {
 729         // Setup Personal Campaign Page link uses pageId
 730         $pageId = $form->get('pageId');
 731         if ($pageId) {
 732           $component = $form->get('component');
 733           $args .= "&pageId=$pageId&component=$component&action=add";
 734         }
 735       }
 736     }
 737
 738     $destination = NULL;
 739     if ($args) {
 740       // append destination so user is returned to form they came from after login
 741       $args = 'reset=1' . $args;
 742       $destination = CRM_Utils_System::url(CRM_Utils_System::currentPath(), $args, TRUE, NULL, FALSE, TRUE);
 743     }
 744
 745     return $destination;
 746   }
 747
 748   /**
 749    * Determine the location of the CMS root.
 750    *
 751    * @return string|NULL
 752    *   local file system path to CMS root, or NULL if it cannot be determined
 753    */
 754   public function cmsRootPath() {
 755     global $civicrm_paths;
 756     if (!empty($civicrm_paths['cms.root']['path'])) {
 757       return $civicrm_paths['cms.root']['path'];
 758     }
 759
 760     list($url, $siteName, $siteRoot) = $this->getDefaultSiteSettings();
 761     if (file_exists("$siteRoot/administrator/index.php")) {
 762       return $siteRoot;
 763     }
 764     return NULL;
 765   }
 766
 767   /**
 768    * @inheritDoc
 769    */
 770   public function getDefaultSiteSettings($dir = NULL) {
 771     $config = CRM_Core_Config::singleton();
 772     $url = preg_replace(
 773       '|/administrator|',
 774       '',
 775       $config->userFrameworkBaseURL
 776     );
 777     // CRM-19453 revisited. Under Windows, the pattern wasn't recognised.
 778     // This is the original pattern, but it doesn't work under Windows.
 779     // By setting the pattern to the one used before the change first and only
 780     // changing it means that the change code only affects Windows users.
 781     $pattern = '|/media/civicrm/.*$|';
 782     if (DIRECTORY_SEPARATOR == '\\') {
 783       // This regular expression will handle Windows as well as Linux
 784       // and any combination of forward and back slashes in directory
 785       // separators.  We only apply it if the directory separator is the one
 786       // used by Windows.
 787       $pattern = '|[\\\\/]media[\\\\/]civicrm[\\\\/].*$|';
 788     }
 789     $siteRoot = preg_replace(
 790       $pattern,
 791       '',
 792       $config->imageUploadDir
 793     );
 794     return array($url, NULL, $siteRoot);
 795   }
 796
 797   /**
 798    * @inheritDoc
 799    */
 800   public function getUserRecordUrl($contactID) {
 801     $uid = CRM_Core_BAO_UFMatch::getUFId($contactID);
 802     $userRecordUrl = NULL;
 803     // if logged in user has user edit access, then allow link to other users joomla profile
 804     if (JFactory::getUser()->authorise('core.edit', 'com_users')) {
 805       return CRM_Core_Config::singleton()->userFrameworkBaseURL . "index.php?option=com_users&view=user&task=user.edit&id=" . $uid;
 806     }
 807     elseif (CRM_Core_Session::singleton()->get('userID') == $contactID) {
 808       return CRM_Core_Config::singleton()->userFrameworkBaseURL . "index.php?option=com_admin&view=profile&layout=edit&id=" . $uid;
 809     }
 810   }
 811
 812   /**
 813    * @inheritDoc
 814    */
 815   public function checkPermissionAddUser() {
 816     if (JFactory::getUser()->authorise('core.create', 'com_users')) {
 817       return TRUE;
 818     }
 819   }
 820
 821   /**
 822    * Output code from error function.
 823    * @param string $content
 824    */
 825   public function outputError($content) {
 826     if (class_exists('JErrorPage')) {
 827       $error = new Exception($content);
 828       JErrorPage::render($error);
 829     }
 830     elseif (class_exists('JError')) {
 831       JError::raiseError('CiviCRM-001', $content);
 832     }
 833     else {
 834       parent::outputError($content);
 835     }
 836   }
 837
 838   /**
 839    * Append Joomla js to coreResourcesList.
 840    *
 841    * @param array $list
 842    */
 843   public function appendCoreResources(&$list) {
 844     $list[] = 'js/crm.joomla.js';
 845   }
 846
 847   /**
 848    * @inheritDoc
 849    */
 850   public function synchronizeUsers() {
 851     $config = CRM_Core_Config::singleton();
 852     if (PHP_SAPI != 'cli') {
 853       set_time_limit(300);
 854     }
 855     $id = 'id';
 856     $mail = 'email';
 857     $name = 'name';
 858
 859     $JUserTable = &JTable::getInstance('User', 'JTable');
 860
 861     $db = $JUserTable->getDbo();
 862     $query = $db->getQuery(TRUE);
 863     $query->select($id . ', ' . $mail . ', ' . $name);
 864     $query->from($JUserTable->getTableName());
 865     $query->where($mail != '');
 866
 867     $db->setQuery($query);
 868     $users = $db->loadObjectList();
 869
 870     $user = new StdClass();
 871     $uf = $config->userFramework;
 872     $contactCount = 0;
 873     $contactCreated = 0;
 874     $contactMatching = 0;
 875     for ($i = 0; $i < count($users); $i++) {
 876       $user->$id = $users[$i]->$id;
 877       $user->$mail = $users[$i]->$mail;
 878       $user->$name = $users[$i]->$name;
 879       $contactCount++;
 880       if ($match = CRM_Core_BAO_UFMatch::synchronizeUFMatch($user,
 881         $users[$i]->$id,
 882         $users[$i]->$mail,
 883         $uf,
 884         1,
 885         'Individual',
 886         TRUE
 887       )
 888       ) {
 889         $contactCreated++;
 890       }
 891       else {
 892         $contactMatching++;
 893       }
 894       if (is_object($match)) {
 895         $match->free();
 896       }
 897     }
 898
 899     return array(
 900       'contactCount' => $contactCount,
 901       'contactMatching' => $contactMatching,
 902       'contactCreated' => $contactCreated,
 903     );
 904   }
 905
 906 }