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   1  <?php
   2  /**
   3   * @version        $Id: blogger.php 14401 2010-01-26 14:10:00Z louis $
   4   * @package        Joomla
   5   * @copyright    Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
   6   * @license        GNU/GPL, see LICENSE.php
   7   * Joomla! is free software. This version may have been modified pursuant
   8   * to the GNU General Public License, and as distributed it includes or
   9   * is derivative of works licensed under the GNU General Public License or
  10   * other free or open source software licenses.
  11   * See COPYRIGHT.php for copyright notices and details.
  12   */
  13  
  14  // no direct access
  15  defined( '_JEXEC' ) or die( 'Restricted access' );
  16  
  17  jimport( 'joomla.plugin.plugin' );
  18  
  19  class plgXMLRPCBlogger extends JPlugin
  20  {
  21  	function plgXMLRPCBlogger(&$subject, $config)
  22      {
  23          parent::__construct($subject, $config);
  24          $this->loadLanguage( '', JPATH_ADMINISTRATOR );
  25      }
  26  
  27      /**
  28      * @return array An array of associative arrays defining the available methods
  29      */
  30  	function onGetWebServices()
  31      {
  32          global $xmlrpcI4, $xmlrpcInt, $xmlrpcBoolean, $xmlrpcDouble, $xmlrpcString, $xmlrpcDateTime, $xmlrpcBase64, $xmlrpcArray, $xmlrpcStruct, $xmlrpcValue;
  33  
  34          return array
  35          (
  36                  'blogger.getUsersBlogs' => array(
  37                  'function' => 'plgXMLRPCBloggerServices::getUserBlogs',
  38                  'docstring' => JText::_('Returns a list of weblogs to which an author has posting privileges.'),
  39                  'signature' => array(array($xmlrpcArray, $xmlrpcString, $xmlrpcString, $xmlrpcString ))
  40              ),
  41                  'blogger.getUserInfo' => array(
  42                  'function' => 'plgXMLRPCBloggerServices::getUserInfo',
  43                  'docstring' => JText::_('Returns information about an author in the system.'),
  44                  'signature' => array(array($xmlrpcStruct, $xmlrpcString, $xmlrpcString, $xmlrpcString))
  45              ),
  46                  'blogger.getPost' => array(
  47                  'function' => 'plgXMLRPCBloggerServices::getPost',
  48                  'docstring' => JText::_('Returns information about a specific post.'),
  49                  'signature' => array(array($xmlrpcStruct, $xmlrpcString, $xmlrpcString, $xmlrpcString, $xmlrpcString))
  50              ),
  51                  'blogger.getRecentPosts' => array(
  52                  'function' => 'plgXMLRPCBloggerServices::getRecentPosts',
  53                  'docstring' => JText::_('Returns a list of the most recent posts in the system.'),
  54                  'signature' => array(array($xmlrpcArray, $xmlrpcString, $xmlrpcString, $xmlrpcString, $xmlrpcString, $xmlrpcInt))
  55              ),
  56                  'blogger.getTemplate' => array(
  57                  'function' => 'plgXMLRPCBloggerServices::getTemplate',
  58                  'docstring' => '',
  59                  'signature' => array(array($xmlrpcString, $xmlrpcString, $xmlrpcString, $xmlrpcString, $xmlrpcString, $xmlrpcString))
  60              ),
  61                  'blogger.setTemplate' => array(
  62                  'function' => 'plgXMLRPCBloggerServices::setTemplate',
  63                  'docstring' => '',
  64                  'signature' => array(array($xmlrpcString, $xmlrpcString, $xmlrpcString, $xmlrpcString, $xmlrpcString, $xmlrpcString, $xmlrpcString))
  65              ),
  66                  'blogger.newPost' => array(
  67                  'function' => 'plgXMLRPCBloggerServices::newPost',
  68                  'docstring' => JText::_('Creates a new post, and optionally publishes it.'),
  69                  'signature' => array(array($xmlrpcString, $xmlrpcString, $xmlrpcString, $xmlrpcString, $xmlrpcString, $xmlrpcString, $xmlrpcBoolean))
  70              ),
  71                  'blogger.deletePost' => array(
  72                  'function' => 'plgXMLRPCBloggerServices::deletePost',
  73                  'docstring' => JText::_('Deletes a post.'),
  74                  'signature' => array(array($xmlrpcBoolean, $xmlrpcString, $xmlrpcString, $xmlrpcString, $xmlrpcString, $xmlrpcBoolean))
  75              ),
  76                  'blogger.editPost' => array(
  77                  'function' => 'plgXMLRPCBloggerServices::editPost',
  78                  'docstring' => JText::_('Updates the information about an existing post.'),
  79                  'signature' => array(array($xmlrpcBoolean, $xmlrpcString, $xmlrpcString, $xmlrpcString, $xmlrpcString, $xmlrpcString, $xmlrpcBoolean))
  80              )
  81          );
  82      }
  83  }
  84  
  85  class plgXMLRPCBloggerServices
  86  {
  87      /*
  88       * Note : blogger.getUsersBlogs will make more sense once we support multiple blogs
  89       */
  90  	function getUserBlogs($appkey, $username, $password)
  91      {
  92          global $mainframe, $xmlrpcerruser, $xmlrpcI4, $xmlrpcInt, $xmlrpcBoolean, $xmlrpcDouble, $xmlrpcString, $xmlrpcDateTime, $xmlrpcBase64, $xmlrpcArray, $xmlrpcStruct, $xmlrpcValue;
  93  
  94          if(!plgXMLRPCBloggerHelper::authenticateUser($username, $password)) {
  95              return new xmlrpcresp(0, $xmlrpcerruser+1, JText::_("Login Failed"));
  96          }
  97  
  98          $user =& JFactory::getUser($username);
  99          plgXMLRPCBloggerHelper::getUserAid( $user );
 100  
 101          // Handle the access permissions part of the main database query
 102          if ($user->authorize('com_content', 'edit', 'content', 'all')) {
 103              $xwhere = '';
 104          } else {
 105              $xwhere = ' AND a.published = 1 AND b.published = 1';
 106          }
 107          $gid        = $user->get('aid', 0);
 108          $access_check = ' AND a.access <= '.(int) $gid .
 109                          ' AND b.access <= '.(int) $gid;
 110          // Query of categories within section
 111          $query = 'SELECT a.id, a.title, a.section, ' .
 112                  ' CONCAT_WS(\'/\', a.title, b.title) AS catName' .
 113                  ' FROM #__categories AS a' .
 114                  ' LEFT JOIN #__sections AS b ON a.section = b.id' .
 115                  $xwhere.
 116                  $access_check;
 117          $db = &JFactory::getDBO();
 118          $db->setQuery( $query );
 119          $categories = $db->loadObjectList();
 120          $structarray = array();
 121  
 122          foreach( $categories AS $category ) {
 123              if (intval($category->section) > 0) {
 124                  $blog = new xmlrpcval(array(
 125                      'url'        => new xmlrpcval(JURI::base(), $xmlrpcString),
 126                      'blogid'    => new xmlrpcval($category->id, $xmlrpcString),
 127                      'blogName'    => new xmlrpcval($category->catName, $xmlrpcString)
 128                      ), 'struct');
 129                  array_push($structarray, $blog);
 130              }
 131          }
 132          return new xmlrpcresp(new xmlrpcval( $structarray , $xmlrpcArray));
 133      }
 134  
 135  	function getUserInfo($appkey, $username, $password)
 136      {
 137          global $xmlrpcerruser, $xmlrpcStruct;
 138  
 139          if(!plgXMLRPCBloggerHelper::authenticateUser($username, $password)) {
 140              return new xmlrpcresp(0, $xmlrpcerruser+1, JText::_("Login Failed"));
 141          }
 142  
 143          $user =& JFactory::getUser($username);
 144          plgXMLRPCBloggerHelper::getUserAid( $user );
 145  
 146          $struct = new xmlrpcval(
 147          array(
 148              'nickname'    => new xmlrpcval($user->get('username')),
 149              'userid'    => new xmlrpcval($user->get('id')),
 150              'url'        => new xmlrpcval(''),
 151              'email'        => new xmlrpcval($user->get('email')),
 152              'lastname'    => new xmlrpcval($user->get('name')),
 153              'firstname'    => new xmlrpcval($user->get('name'))
 154          ), $xmlrpcStruct);
 155  
 156          return new xmlrpcresp($struct);
 157      }
 158  
 159  	function getPost($appkey, $postid, $username, $password)
 160      {
 161          global $xmlrpcerruser, $xmlrpcI4, $xmlrpcInt, $xmlrpcBoolean, $xmlrpcDouble, $xmlrpcString, $xmlrpcDateTime, $xmlrpcBase64, $xmlrpcArray, $xmlrpcStruct, $xmlrpcValue;
 162  
 163          if(!plgXMLRPCBloggerHelper::authenticateUser($username, $password)) {
 164              return new xmlrpcresp(0, $xmlrpcerruser+1, JText::_("Login Failed"));
 165          }
 166  
 167          $user =& JFactory::getUser($username);
 168          plgXMLRPCBloggerHelper::getUserAid( $user );
 169  
 170          $db = &JFactory::getDBO();
 171  
 172          $where = 'a.id = ' . (int) $postid;
 173  
 174          $canReadUnpublished = $user->authorize('com_content', 'edit', 'content', 'all');
 175          if ($canReadUnpublished) {
 176              $publishedWhere = '';
 177          } else {
 178              $publishedWhere = ' AND u.published = 1 AND b.published = 1';
 179          }
 180  
 181          $nullDate         = $db->getNullDate();
 182          $date =& JFactory::getDate();
 183          $now = $date->toMySQL();
 184  
 185          $query = 'SELECT a.title AS title,'
 186          . ' a.created AS created,'
 187          . ' a.introtext AS introtext,'
 188          . ' a.fulltext AS ftext,'
 189          . ' a.id AS id,'
 190          . ' a.created_by AS created_by'
 191          . ' FROM #__content AS a'
 192          . ' INNER JOIN #__categories AS b ON b.id=a.catid'
 193          . ' INNER JOIN #__sections AS u ON u.id = a.sectionid'
 194          . ' WHERE '.$where
 195          . $publishedWhere
 196          . ' AND a.access <= '.(int) $user->get( 'aid' )
 197          . ' AND b.access <= '.(int) $user->get( 'aid' )
 198          . ' AND u.access <= '.(int) $user->get( 'aid' )
 199          . ' AND ( a.publish_up = '.$db->Quote($nullDate).' OR a.publish_up <= '.$db->Quote($now).' )'
 200          . ' AND ( a.publish_down = '.$db->Quote($nullDate).' OR a.publish_down >= '.$db->Quote($now).' )'
 201          ;
 202  
 203          $db->setQuery( $query );
 204          $item = $db->loadObject();
 205  
 206          if ($item === null) {
 207              return new xmlrpcresp(0, $xmlrpcerruser+2, JText::_("Access Denied"));
 208          }
 209  
 210          $content    = '<title>'.$item->title.'</title>';
 211          $content    .= $item->introtext.'<more_text>'.$item->ftext.'</more_text>';
 212  
 213          $struct = new xmlrpcval(
 214          array(
 215              'userid'            => new xmlrpcval($item->created_by),
 216              'dateCreated'    => new xmlrpcval($item->created),
 217              'content'        => new xmlrpcval($content),
 218              'postid'            => new xmlrpcval($item->id)
 219          ), $xmlrpcStruct);
 220  
 221          return new xmlrpcresp($struct);
 222      }
 223  
 224  	function newPost($appkey, $blogid, $username, $password, $content, $publish)
 225      {
 226          global $xmlrpcerruser, $xmlrpcI4, $xmlrpcInt, $xmlrpcBoolean, $xmlrpcDouble, $xmlrpcString, $xmlrpcDateTime, $xmlrpcBase64, $xmlrpcArray, $xmlrpcStruct, $xmlrpcValue;
 227  
 228          if(!plgXMLRPCBloggerHelper::authenticateUser($username, $password)) {
 229              return new xmlrpcresp(0, $xmlrpcerruser+1, JText::_("Login Failed"));
 230          }
 231  
 232          $user =& JFactory::getUser($username);
 233          plgXMLRPCBloggerHelper::getUserAid( $user );
 234  
 235          if ($user->get('gid') < 19) {
 236              return new xmlrpcresp(0, $xmlrpcerruser+1, JText::_('ALERTNOTAUTH'));
 237          }
 238  
 239          // Create a user access object for the user
 240          $access                    = new stdClass();
 241          $access->canEdit        = $user->authorize('com_content', 'edit', 'content', 'all');
 242          $access->canEditOwn        = $user->authorize('com_content', 'edit', 'content', 'own');
 243          $access->canPublish        = $user->authorize('com_content', 'publish', 'content', 'all');
 244  
 245          if (!($access->canEdit || $access->canEditOwn)) {
 246              return new xmlrpcresp(0, $xmlrpcerruser+1, JText::_('ALERTNOTAUTH'));
 247          }
 248  
 249          $db =& JFactory::getDBO();
 250  
 251          // load plugin params info
 252           $plugin =& JPluginHelper::getPlugin('xmlrpc','blogger');
 253           $params = new JParameter( $plugin->params );
 254  
 255          $blogid = (int) $blogid;
 256  
 257          // load the category
 258          $cat =& JTable::getInstance('category');
 259          $cat->load($blogid);
 260  
 261          // create a new content item
 262          $item =& JTable::getInstance('content');
 263  
 264          $item->title         = plgXMLRPCBloggerHelper::getPostTitle($content);
 265          $item->introtext    = plgXMLRPCBloggerHelper::getPostIntroText($content);
 266          $item->fulltext        = plgXMLRPCBloggerHelper::getPostFullText($content);
 267  
 268          $item->catid         = $blogid;
 269          $item->sectionid     = $cat->section;
 270  
 271          $date =& JFactory::getDate();
 272  
 273          $item->created        = $date->toMySQL();
 274          $item->created_by    = $user->get('id');
 275  
 276          $item->publish_up    = $date->toMySQL();
 277          $item->publish_down    = $db->getNullDate();
 278  
 279          $item->state        = ($publish && $access->canPublish) ? 1 : 0;
 280  
 281          if (!$item->check()) {
 282              return new xmlrpcresp(0, $xmlrpcerruser+1, JText::_('Post check failed') );
 283          }
 284  
 285          $item->version++;
 286  
 287          if (!$item->store()) {
 288              return new xmlrpcresp(0, $xmlrpcerruser+1, JText::_('Post store failed') );
 289          }
 290  
 291          return new xmlrpcresp(new xmlrpcval($item->id, $xmlrpcString));
 292      }
 293  
 294  	function editPost($appkey, $postid, $username, $password, $content, $publish)
 295      {
 296          global $xmlrpcerruser, $xmlrpcI4, $xmlrpcInt, $xmlrpcBoolean, $xmlrpcDouble, $xmlrpcString, $xmlrpcDateTime, $xmlrpcBase64, $xmlrpcArray, $xmlrpcStruct, $xmlrpcValue;
 297  
 298          if(!plgXMLRPCBloggerHelper::authenticateUser($username, $password)) {
 299              return new xmlrpcresp(0, $xmlrpcerruser+1, JText::_("Login Failed"));
 300          }
 301  
 302          $user =& JFactory::getUser($username);
 303          plgXMLRPCBloggerHelper::getUserAid( $user );
 304  
 305          // Create a user access object for the user
 306          $access                    = new stdClass();
 307          $access->canEdit        = $user->authorize('com_content', 'edit', 'content', 'all');
 308          $access->canEditOwn        = $user->authorize('com_content', 'edit', 'content', 'own');
 309          $access->canPublish        = $user->authorize('com_content', 'publish', 'content', 'all');
 310  
 311          if (!($access->canEdit || $access->canEditOwn)) {
 312              return new xmlrpcresp(0, $xmlrpcerruser+1, JText::_('ALERTNOTAUTH'));
 313          }
 314  
 315          // load the row from the db table
 316          $item =& JTable::getInstance('content');
 317          if(!$item->load( $postid )) {
 318              return new xmlrpcresp(0, $xmlrpcerruser+1, JText::_('Sorry, no such post') );
 319          }
 320  
 321          if($item->isCheckedOut($user->get('id'))) {
 322              return new xmlrpcresp(0, $xmlrpcerruser+1, JText::_('Sorry, post is already being edited') );
 323          }
 324  
 325          //lock the item
 326          $item->checkout($user->id);
 327  
 328          $item->title     = plgXMLRPCBloggerHelper::getPostTitle($content);
 329          $item->introtext = plgXMLRPCBloggerHelper::getPostIntroText($content);
 330          $item->fulltext  = plgXMLRPCBloggerHelper::getPostFullText($content);
 331  
 332          if (!$item->check()) {
 333              return new xmlrpcresp(0, $xmlrpcerruser+1, JText::_('Post check failed') );
 334          }
 335  
 336          $item->version++;
 337  
 338          if (!$item->store()) {
 339              return new xmlrpcresp(0, $xmlrpcerruser+1, JText::_('Post store failed') );
 340          }
 341  
 342          $item->state    = ($publish && $access->canPublish) ? 1 : 0;
 343  
 344          //lock the item
 345          $item->checkout();
 346  
 347          return new xmlrpcresp(new xmlrpcval('true', $xmlrpcBoolean));
 348      }
 349  
 350  	function deletePost($appkey, $postid, $username, $password, $publish)
 351      {
 352          global $xmlrpcerruser, $xmlrpcI4, $xmlrpcInt, $xmlrpcBoolean, $xmlrpcDouble, $xmlrpcString, $xmlrpcDateTime, $xmlrpcBase64, $xmlrpcArray, $xmlrpcStruct, $xmlrpcValue;
 353  
 354          if(!plgXMLRPCBloggerHelper::authenticateUser($username, $password)) {
 355              return new xmlrpcresp(0, $xmlrpcerruser+1, JText::_("Login Failed"));
 356          }
 357  
 358          $user =& JFactory::getUser($username);
 359          plgXMLRPCBloggerHelper::getUserAid( $user );
 360  
 361          if ($user->get('gid') < 23) {
 362              return new xmlrpcresp(0, $xmlrpcerruser+1, JText::_('ALERTNOTAUTH'));
 363          }
 364  
 365          // load the row from the db table
 366          $item =& JTable::getInstance('content');
 367          if(!$item->load( $postid )) {
 368              return new xmlrpcresp(0, $xmlrpcerruser+1, JText::_('Sorry, no such post') );
 369          }
 370  
 371          if($item->isCheckedOut($user->get('id'))) {
 372              return new xmlrpcresp(0, $xmlrpcerruser+1, JText::_('Sorry, post is already being edited') );
 373          }
 374  
 375          //lock the item
 376          $item->checkout();
 377  
 378          $item->state = -2;
 379          $item->ordering = 0;
 380  
 381          if (!$item->store()) {
 382              return new xmlrpcresp(0, $xmlrpcerruser+1, JText::_('Post delete failed') );
 383          }
 384  
 385          return new xmlrpcresp(new xmlrpcval('true', $xmlrpcBoolean));
 386      }
 387  
 388  
 389      /**
 390       * Blogger API - blogger.getRecentPosts
 391       *
 392       * @param xmlrpcmessage XML-RPC message passed to the method
 393       * @return xmlrpcresp XML-RPC response
 394       */
 395  	function getRecentPosts($appkey, $blogid, $username, $password, $numposts)
 396      {
 397          global $xmlrpcerruser, $xmlrpcI4, $xmlrpcInt, $xmlrpcBoolean, $xmlrpcDouble, $xmlrpcString, $xmlrpcDateTime, $xmlrpcBase64, $xmlrpcArray, $xmlrpcStruct, $xmlrpcValue;
 398  
 399          if(!plgXMLRPCBloggerHelper::authenticateUser($username, $password)) {
 400              return new xmlrpcresp(0, $xmlrpcerruser+1, JText::_("Login Failed"));
 401          }
 402  
 403          $user =& JFactory::getUser($username);
 404          plgXMLRPCBloggerHelper::getUserAid( $user );
 405  
 406          // load plugin params info
 407           $plugin =& JPluginHelper::getPlugin('xmlrpc','blogger');
 408           $params = new JParameter( $plugin->params );
 409  
 410          $db =& JFactory::getDBO();
 411  
 412          $nullDate         = $db->getNullDate();
 413          $date =& JFactory::getDate();
 414          $now = $date->toMySQL();
 415  
 416          $blogid = (int) $blogid;
 417  
 418          $canReadUnpublished = $user->authorize('com_content', 'edit', 'content', 'all');
 419          if ($canReadUnpublished) {
 420              $publishedWhere = '';
 421              $publishTimeWhere = '';
 422          } else {
 423              $publishedWhere = ' AND u.published = 1 AND b.published = 1';
 424              $publishTimeWhere = ' AND ( a.publish_up = '.$db->Quote($nullDate).' OR a.publish_up <= '.$db->Quote($now).' )'
 425              . ' AND ( a.publish_down = '.$db->Quote($nullDate).' OR a.publish_down >= '.$db->Quote($now).' )';
 426          }
 427  
 428          $query = 'SELECT a.title AS title,'
 429          . ' a.created AS created,'
 430          . ' a.introtext AS introtext,'
 431          . ' a.fulltext AS ftext,'
 432          . ' a.id AS id,'
 433          . ' a.created_by AS created_by'
 434          . ' FROM #__content AS a'
 435          . ' INNER JOIN #__categories AS b ON b.id=a.catid'
 436          . ' INNER JOIN #__sections AS u ON u.id = a.sectionid'
 437          . ' WHERE a.catid = '. $blogid
 438          . $publishedWhere
 439          . ' AND a.access <= '.(int) $user->get( 'aid' )
 440          . ' AND b.access <= '.(int) $user->get( 'aid' )
 441          . ' AND u.access <= '.(int) $user->get( 'aid' )
 442          . $publishTimeWhere
 443          ;
 444  
 445          $db->setQuery($query, 0, $numposts);
 446          $items = $db->loadObjectList();
 447  
 448          if ($items === null) {
 449              return new xmlrpcresp(0, $xmlrpcerruser+1, JText::_('No posts available, or an error has occured.') );
 450          }
 451  
 452          $structArray = array();
 453          foreach ($items as $item)
 454          {
 455              $content    = '<title>'.$item->title.'</title>';
 456              $content    .= $item->introtext.'<more_text>'.$item->ftext.'</more_text>';
 457  
 458              $structArray[] = new xmlrpcval(array(
 459                  'userid'        => new xmlrpcval($item->created_by),
 460                  'dateCreated'    => new xmlrpcval($item->created),
 461                  'content'        => new xmlrpcval($content),
 462                  'postid'        => new xmlrpcval($item->id)
 463              ), 'struct');
 464          }
 465  
 466          return new xmlrpcresp(new xmlrpcval( $structArray , $xmlrpcArray));
 467      }
 468  
 469  	function getTemplate($appkey, $blogid, $username, $password, $templateType)
 470      {
 471          global $xmlrpcerruser;
 472          return new xmlrpcresp(0, $xmlrpcerruser+1, JText::_('Method not implemented') );
 473      }
 474  
 475  	function setTemplate($appkey, $blogid, $username, $password, $template, $templateType)
 476      {
 477          global $xmlrpcerruser;
 478          return new xmlrpcresp(0, $xmlrpcerruser+1, JText::_('Method not implemented') );
 479      }
 480  }
 481  
 482  class plgXMLRPCBloggerHelper
 483  {
 484  	function getUserAid( &$user ) {
 485  
 486          $acl = &JFactory::getACL();
 487  
 488          //Get the user group from the ACL
 489          $grp = $acl->getAroGroup($user->get('id'));
 490  
 491          // Mark the user as logged in
 492          $user->set('guest', 0);
 493          $user->set('aid', 1);
 494  
 495          // Fudge Authors, Editors, Publishers and Super Administrators into the special access group
 496          if ($acl->is_group_child_of($grp->name, 'Registered')      ||
 497              $acl->is_group_child_of($grp->name, 'Public Backend')) {
 498               $user->set('aid', 2);
 499           }
 500      }
 501  
 502  	function authenticateUser($username, $password)
 503      {
 504          // Get the global JAuthentication object
 505          jimport( 'joomla.user.authentication');
 506          $auth = & JAuthentication::getInstance();
 507          $credentials = array( 'username' => $username, 'password' => $password );
 508          $options = array();
 509          $response = $auth->authenticate($credentials, $options);
 510          return $response->status === JAUTHENTICATE_STATUS_SUCCESS;
 511      }
 512  
 513  	function getPostTitle($content)
 514      {
 515          $title = '';
 516          if ( preg_match('/<title>(.+?)<\/title>/is', $content, $matchtitle) )
 517          {
 518              $title = $matchtitle[0];
 519              $title = preg_replace('/<title>/si', '', $title);
 520              $title = preg_replace('/<\/title>/si', '', $title);
 521          }
 522          if (empty( $title )) {
 523              $title = substr( $content, 0, 20 );
 524          }
 525          return $title;
 526      }
 527  
 528  	function getPostCategory($content)
 529      {
 530          $category = 0;
 531  
 532          $match = array();
 533          if ( preg_match('/<category>(.+?)<\/category>/is', $content, $match) )
 534          {
 535              $category = trim($match[1], ',');
 536              $category = explode(',', $category);
 537          }
 538  
 539          return $category;
 540      }
 541  
 542  	function getPostIntroText($content)
 543      {
 544          return plgXMLRPCBloggerHelper::removePostData($content); //substr($string, 0, strpos($string, '<more_text>'));
 545      }
 546  
 547  	function getPostFullText($content)
 548      {
 549          $match = array();
 550          if ( preg_match('/<more_text>(.+?)<\/more_text>/is', $content, $match) )
 551          {
 552              $fulltext = $match[0];
 553              $fulltext = preg_replace('/<more_text>/si', '', $fulltext);
 554              $fulltext = preg_replace('/<\/more_text>/si', '', $fulltext);
 555          }
 556  
 557          return $fulltext;
 558      }
 559  
 560  	function removePostData($content)
 561      {
 562          $content = preg_replace('/<title>(.+?)<\/title>/si', '', $content);
 563          $content = preg_replace('/<category>(.+?)<\/category>/si', '', $content);
 564          $content = preg_replace('/<more_text>(.+?)<\/more_text>/si', '', $content);
 565          $content = trim($content);
 566          return $content;
 567      }
 568  }