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/inc/datahandlers/ -> post.php (source)

   1  <?php
   2  /**
   3   * MyBB 1.8
   4   * Copyright 2014 MyBB Group, All Rights Reserved
   5   *
   6   * Website: http://www.mybb.com
   7   * License: http://www.mybb.com/about/license
   8   *
   9   */
  10  
  11  // Disallow direct access to this file for security reasons
  12  if(!defined("IN_MYBB"))
  13  {
  14      die("Direct initialization of this file is not allowed.<br /><br />Please make sure IN_MYBB is defined.");
  15  }
  16  
  17  /*
  18  EXAMPLE USE:
  19  
  20  $post = get from POST data
  21  $thread = get from DB using POST data id
  22  
  23  $postHandler = new postDataHandler();
  24  if($postHandler->validate_post($post))
  25  {
  26      $postHandler->insert_post($post);
  27  }
  28  
  29  */
  30  
  31  /**
  32   * Post handling class, provides common structure to handle post data.
  33   *
  34   */
  35  class PostDataHandler extends DataHandler
  36  {
  37      /**
  38      * The language file used in the data handler.
  39      *
  40      * @var string
  41      */
  42      public $language_file = 'datahandler_post';
  43  
  44      /**
  45      * The prefix for the language variables used in the data handler.
  46      *
  47      * @var string
  48      */
  49      public $language_prefix = 'postdata';
  50  
  51      /**
  52       * What are we performing?
  53       * post = New post
  54       * thread = New thread
  55       * edit = Editing a thread or post
  56       *
  57       * @var string
  58       */
  59      public $action;
  60  
  61      /**
  62       * Array of data inserted in to a post.
  63       *
  64       * @var array
  65       */
  66      public $post_insert_data = array();
  67  
  68      /**
  69       * Array of data used to update a post.
  70       *
  71       * @var array
  72       */
  73      public $post_update_data = array();
  74  
  75      /**
  76       * Post ID currently being manipulated by the datahandlers.
  77       *
  78       * @var int
  79       */
  80      public $pid = 0;
  81  
  82      /**
  83       * Array of data inserted in to a thread.
  84       *
  85       * @var array
  86       */
  87      public $thread_insert_data = array();
  88  
  89      /**
  90       * Array of data used to update a thread.
  91       *
  92       * @var array
  93       */
  94      public $thread_update_data = array();
  95  
  96      /**
  97       * Thread ID currently being manipulated by the datahandlers.
  98       *
  99       * @var int
 100       */
 101      public $tid = 0;
 102  
 103      /**
 104       * Values to be returned after inserting/updating a post/thread.
 105       *
 106       * @var array
 107       */
 108      public $return_values = array();
 109  
 110      /**
 111       * Is this the first post of a thread when editing
 112       *
 113       * @var boolean
 114       */
 115      public $first_post = false;
 116  
 117      /**
 118       * Verifies the author of a post and fetches the username if necessary.
 119       *
 120       * @return boolean True if the author information is valid, false if invalid.
 121       */
 122  	function verify_author()
 123      {
 124          global $mybb, $lang;
 125  
 126          $post = &$this->data;
 127  
 128          // Don't have a user ID at all - not good (note, a user id of 0 will still work).
 129          if(!isset($post['uid']))
 130          {
 131              $this->set_error("invalid_user_id");
 132              return false;
 133          }
 134          // If we have a user id but no username then fetch the username.
 135          else if($post['uid'] > 0 && empty($post['username']))
 136          {
 137              $user = get_user($post['uid']);
 138              $post['username'] = $user['username'];
 139          }
 140          // if the uid is 0 verify the username
 141          else if($post['uid'] == 0 && $post['username'] != '')
 142          {
 143              // Set up user handler
 144              require_once  MYBB_ROOT."inc/datahandlers/user.php";
 145              $userhandler = new UserDataHandler();
 146  
 147              $data_array = array('username' => $post['username']);
 148              $userhandler->set_data($data_array);
 149  
 150              if(!$userhandler->verify_username())
 151              {
 152                  // invalid username
 153                  $this->errors = array_merge($this->errors, $userhandler->get_errors());
 154                  return false;
 155              }
 156  
 157              if($userhandler->verify_username_exists())
 158              {
 159                  // username is in use
 160                  $this->errors = array_merge($this->errors, $userhandler->get_errors());
 161                  return false;
 162              }
 163          }
 164  
 165          return true;
 166      }
 167  
 168      /**
 169       * Verifies a post subject.
 170       *
 171       * @return boolean True when valid, false when not valid.
 172       */
 173  	function verify_subject()
 174      {
 175          global $db;
 176          $post = &$this->data;
 177          $subject = &$post['subject'];
 178          $subject = trim_blank_chrs($subject);
 179  
 180          if($this->method == "update" && $post['pid'])
 181          {
 182              // If this is the first post there needs to be a subject, else make it the default one.
 183              if(my_strlen($subject) == 0 && $this->first_post)
 184              {
 185                  $this->set_error("firstpost_no_subject");
 186                  return false;
 187              }
 188              elseif(my_strlen($subject) == 0)
 189              {
 190                  $thread = get_thread($post['tid']);
 191                  $subject = "RE: ".$thread['subject'];
 192              }
 193          }
 194  
 195          // This is a new post
 196          else if($this->action == "post")
 197          {
 198              if(my_strlen($subject) == 0)
 199              {
 200                  $thread = get_thread($post['tid']);
 201                  $subject = "RE: ".$thread['subject'];
 202              }
 203          }
 204  
 205          // This is a new thread and we require that a subject is present.
 206          else
 207          {
 208              if(my_strlen($subject) == 0)
 209              {
 210                  $this->set_error("missing_subject");
 211                  return false;
 212              }
 213          }
 214  
 215          // If post is reply and begins with "RE: ", remove 4 from subject length.
 216          $subject_length = my_strlen($subject);
 217          if($this->action == "post")
 218          {
 219              $position_re = my_strpos($subject, "RE: ");
 220              if($position_re !== false && $position_re == 0)
 221              {
 222                  $subject_length = $subject_length - 4;
 223              }
 224          }
 225  
 226          if($subject_length > 85)
 227          {
 228              // Subject is too long
 229              $this->set_error('subject_too_long', my_strlen($subject));
 230              return false;
 231          }
 232  
 233          // Subject is valid - return true.
 234          return true;
 235      }
 236  
 237      /**
 238       * Verifies a post message.
 239       *
 240       * @return bool
 241       */
 242  	function verify_message()
 243      {
 244          global $db, $mybb;
 245  
 246          $post = &$this->data;
 247          $post['message'] = trim_blank_chrs($post['message']);
 248  
 249          // Do we even have a message at all?
 250          if(my_strlen($post['message']) == 0)
 251          {
 252              $this->set_error("missing_message");
 253              return false;
 254          }
 255          else
 256          {
 257              $limit = (int)$mybb->settings['maxmessagelength'];
 258              $dblimit = 0;
 259  
 260              // If database is mysql or mysqli check field type and set max database limit
 261              if(stripos($db->type, 'my') !== false)
 262              {
 263                  $fields = $db->show_fields_from("posts");
 264                  $type = $fields[array_search('message', array_column($fields, 'Field'))]['Type'];
 265                  switch(strtolower($type))
 266                  {
 267                      case 'longtext':
 268                          $dblimit = 4294967295;
 269                          break;
 270                      case 'mediumtext':
 271                          $dblimit = 16777215;
 272                          break;
 273                      case 'text':
 274                      default:
 275                          $dblimit = 65535;
 276                          break;
 277                  }
 278              }
 279  
 280              if($limit > 0 || $dblimit > 0)
 281              {
 282                  if(isset($post['fid']))
 283                  {
 284                      $fid = $post['fid'];
 285                  }
 286                  else
 287                  {
 288                      $fid = 0;
 289                  }
 290                  if(isset($post['uid']))
 291                  {
 292                      $uid = $post['uid'];
 293                  }
 294                  else
 295                  {
 296                      $uid = 0;
 297                  }
 298  
 299                  $is_moderator = is_moderator($fid, "", $uid);
 300                  // Consider minimum in user defined and database limit other than 0
 301                  if($limit > 0 && $dblimit > 0)
 302                  {
 303                      $limit = $is_moderator ? $dblimit : min($limit, $dblimit);
 304                  }
 305                  else
 306                  {
 307                      $limit = max($limit, $dblimit);
 308                  }
 309  
 310                  if(strlen($post['message']) > $limit && (!$is_moderator || $limit == $dblimit))
 311                  {
 312                      $this->set_error("message_too_long", array($limit, strlen($post['message'])));
 313                      return false;
 314                  }
 315              }
 316  
 317              if(!isset($post['fid']))
 318              {
 319                  $post['fid'] = 0;
 320              }
 321  
 322              if(!$mybb->settings['mycodemessagelength'])
 323              {
 324                  // Check to see of the text is full of MyCode
 325                  require_once  MYBB_ROOT."inc/class_parser.php";
 326                  $parser = new postParser;
 327  
 328                  $message = $parser->text_parse_message($post['message']);
 329  
 330                  if(my_strlen($message) < $mybb->settings['minmessagelength'] && $mybb->settings['minmessagelength'] > 0 && !is_moderator($post['fid'], "", $post['uid']))
 331                  {
 332                      $this->set_error("message_too_short", array($mybb->settings['minmessagelength']));
 333                      return false;
 334                  }
 335              }
 336              else if(my_strlen($post['message']) < $mybb->settings['minmessagelength'] && $mybb->settings['minmessagelength'] > 0 && !is_moderator($post['fid'], "", $post['uid']))
 337              {
 338                  $this->set_error("message_too_short", array($mybb->settings['minmessagelength']));
 339                  return false;
 340              }
 341          }
 342          return true;
 343      }
 344  
 345      /**
 346       * Verifies the specified post options are correct.
 347       *
 348       * @return boolean True
 349       */
 350  	function verify_options()
 351      {
 352          $options = &$this->data['options'];
 353  
 354          // Verify yes/no options.
 355          $this->verify_yesno_option($options, 'signature', 0);
 356          $this->verify_yesno_option($options, 'disablesmilies', 0);
 357  
 358          return true;
 359      }
 360  
 361      /**
 362      * Verify that the user is not flooding the system.
 363      *
 364      * @return boolean
 365      */
 366  	function verify_post_flooding()
 367      {
 368          global $mybb;
 369  
 370          $post = &$this->data;
 371  
 372          // Check if post flooding is enabled within MyBB or if the admin override option is specified.
 373          if($mybb->settings['postfloodcheck'] == 1 && $post['uid'] != 0 && $this->admin_override == false)
 374          {
 375              if($this->verify_post_merge(true) !== true)
 376              {
 377                  return true;
 378              }
 379  
 380              // Fetch the user information for this post - used to check their last post date.
 381              $user = get_user($post['uid']);
 382  
 383              // A little bit of calculation magic and moderator status checking.
 384              if(TIME_NOW-$user['lastpost'] <= $mybb->settings['postfloodsecs'] && !is_moderator($post['fid'], "", $user['uid']))
 385              {
 386                  // Oops, user has been flooding - throw back error message.
 387                  $time_to_wait = ($mybb->settings['postfloodsecs'] - (TIME_NOW-$user['lastpost'])) + 1;
 388                  if($time_to_wait == 1)
 389                  {
 390                      $this->set_error("post_flooding_one_second");
 391                  }
 392                  else
 393                  {
 394                      $this->set_error("post_flooding", array($time_to_wait));
 395                  }
 396                  return false;
 397              }
 398          }
 399          // All is well that ends well - return true.
 400          return true;
 401      }
 402  
 403      /**
 404       * @param bool $simple_mode
 405       *
 406       * @return array|bool
 407       */
 408  	function verify_post_merge($simple_mode=false)
 409      {
 410          global $mybb, $db, $session;
 411  
 412          $post = &$this->data;
 413  
 414          // Are we starting a new thread?
 415          if(empty($post['tid']))
 416          {
 417              return true;
 418          }
 419  
 420          // Are we even turned on?
 421          if(empty($mybb->settings['postmergemins']))
 422          {
 423              return true;
 424          }
 425  
 426          // Assign a default separator if none is specified
 427          if(trim($mybb->settings['postmergesep']) == "")
 428          {
 429              $mybb->settings['postmergesep'] = "[hr]";
 430          }
 431  
 432          // Check to see if this person is in a usergroup that is excluded
 433          if(is_member($mybb->settings['postmergeuignore'], $post['uid']))
 434          {
 435              return true;
 436          }
 437  
 438          // Select the lastpost and fid information for this thread
 439          $query = $db->simple_select("threads", "lastpost,fid", "lastposteruid='".$post['uid']."' AND tid='".$post['tid']."'", array('limit' => '1'));
 440          $thread = $db->fetch_array($query);
 441  
 442          // Check to see if the same author has posted within the merge post time limit
 443          if(
 444              !$thread || (
 445                  ((int)$mybb->settings['postmergemins'] != 0 && trim($mybb->settings['postmergemins']) != "") &&
 446                  (TIME_NOW-$thread['lastpost']) > ((int)$mybb->settings['postmergemins']*60)
 447              )
 448          )
 449          {
 450              return true;
 451          }
 452  
 453          if($mybb->settings['postmergefignore'] == -1)
 454          {
 455              return true;
 456          }
 457          elseif($mybb->settings['postmergefignore'] != '')
 458          {
 459              $fids = explode(',', (string)$mybb->settings['postmergefignore']);
 460  
 461              if(is_array($fids))
 462              {
 463                  foreach($fids as &$fid)
 464                  {
 465                      $fid = (int)$fid;
 466                  }
 467                  unset($fid);
 468  
 469                  if(in_array($thread['fid'], $fids))
 470                  {
 471                      return true;
 472                  }
 473              }
 474          }
 475  
 476          if($simple_mode == true)
 477          {
 478              return false;
 479          }
 480  
 481          if(!empty($post['uid']))
 482          {
 483              $user_check = "uid='".$post['uid']."'";
 484          }
 485          else
 486          {
 487              $user_check = "ipaddress=".$db->escape_binary($session->packedip);
 488          }
 489  
 490          $query = $db->simple_select("posts", "pid,message,visible", "{$user_check} AND tid='".$post['tid']."' AND dateline='".$thread['lastpost']."'", array('order_by' => 'pid', 'order_dir' => 'DESC', 'limit' => 1));
 491          return $db->fetch_array($query);
 492      }
 493  
 494      /**
 495      * Verifies the image count.
 496      *
 497      * @return boolean True when valid, false when not valid.
 498      */
 499  	function verify_image_count()
 500      {
 501          global $mybb, $db;
 502  
 503          $post = &$this->data;
 504  
 505          if(isset($post['uid']))
 506          {
 507              $uid = $post['uid'];
 508          }
 509          else
 510          {
 511              $uid = null;
 512          }
 513  
 514          // Get the permissions of the user who is making this post or thread
 515          $permissions = user_permissions($uid);
 516  
 517          // Fetch the forum this post is being made in
 518          if(!$post['fid'])
 519          {
 520              $query = $db->simple_select('posts', 'fid', "pid = '{$post['pid']}'");
 521              $post['fid'] = $db->fetch_field($query, 'fid');
 522          }
 523          $forum = get_forum($post['fid']);
 524  
 525          // Check if this post contains more images than the forum allows
 526          if((!isset($post['savedraft']) || $post['savedraft'] != 1) && $mybb->settings['maxpostimages'] != 0 && $permissions['cancp'] != 1)
 527          {
 528              require_once  MYBB_ROOT."inc/class_parser.php";
 529              $parser = new postParser;
 530  
 531              // Parse the message.
 532              $parser_options = array(
 533                  "allow_html" => $forum['allowhtml'],
 534                  "allow_mycode" => $forum['allowmycode'],
 535                  "allow_imgcode" => $forum['allowimgcode'],
 536                  "allow_videocode" => $forum['allowvideocode'],
 537                  "filter_badwords" => 1
 538              );
 539  
 540              if(empty($post['options']['disablesmilies']))
 541              {
 542                  $parser_options['allow_smilies'] = $forum['allowsmilies'];
 543              }
 544              else
 545              {
 546                  $parser_options['allow_smilies'] = 0;
 547              }
 548  
 549              $image_check = $parser->parse_message($post['message'], $parser_options);
 550  
 551              // And count the number of image tags in the message.
 552              $image_count = substr_count($image_check, "<img");
 553              if($image_count > $mybb->settings['maxpostimages'])
 554              {
 555                  // Throw back a message if over the count with the number of images as well as the maximum number of images per post.
 556                  $this->set_error("too_many_images", array(1 => $image_count, 2 => $mybb->settings['maxpostimages']));
 557                  return false;
 558              }
 559          }
 560  
 561          return true;
 562      }
 563  
 564      /**
 565      * Verifies the video count.
 566      *
 567      * @return boolean True when valid, false when not valid.
 568      */
 569  	function verify_video_count()
 570      {
 571          global $mybb, $db;
 572  
 573          $post = &$this->data;
 574  
 575          if(isset($post['uid']))
 576          {
 577              $uid = $post['uid'];
 578          }
 579          else
 580          {
 581              $uid = null;
 582          }
 583  
 584          // Get the permissions of the user who is making this post or thread
 585          $permissions = user_permissions($uid);
 586  
 587          // Check if this post contains more videos than the forum allows
 588          if((!isset($post['savedraft']) || $post['savedraft'] != 1) && $mybb->settings['maxpostvideos'] != 0 && $permissions['cancp'] != 1)
 589          {
 590              // And count the number of video tags in the message.
 591              $video_count = substr_count($post['message'], "[video=");
 592              if($video_count > $mybb->settings['maxpostvideos'])
 593              {
 594                  // Throw back a message if over the count with the number of images as well as the maximum number of images per post.
 595                  $this->set_error("too_many_videos", array(1 => $video_count, 2 => $mybb->settings['maxpostvideos']));
 596                  return false;
 597              }
 598          }
 599  
 600          return true;
 601      }
 602  
 603      /**
 604      * Verify the reply-to post.
 605      *
 606      * @return boolean True when valid, false when not valid.
 607      */
 608  	function verify_reply_to()
 609      {
 610          global $db;
 611          $post = &$this->data;
 612  
 613          // Check if the post being replied to actually exists in this thread.
 614          if($post['replyto'])
 615          {
 616              $query = $db->simple_select("posts", "pid", "pid='".(int)$post['replyto']."'");
 617              $valid_post = $db->fetch_array($query);
 618              if(!$valid_post['pid'])
 619              {
 620                  $post['replyto'] = 0;
 621              }
 622              else
 623              {
 624                  return true;
 625              }
 626          }
 627  
 628          // If this post isn't a reply to a specific post, attach it to the first post.
 629          if(!$post['replyto'])
 630          {
 631              $options = array(
 632                  "limit_start" => 0,
 633                  "limit" => 1,
 634                  "order_by" => "dateline, pid",
 635              );
 636              $query = $db->simple_select("posts", "pid", "tid='{$post['tid']}'", $options);
 637              $reply_to = $db->fetch_array($query);
 638              $post['replyto'] = $reply_to['pid'];
 639          }
 640  
 641          return true;
 642      }
 643  
 644      /**
 645      * Verify the post icon.
 646      *
 647      * @return boolean True when valid, false when not valid.
 648      */
 649  	function verify_post_icon()
 650      {
 651          global $cache;
 652  
 653          $post = &$this->data;
 654  
 655          $posticons_cache = $cache->read("posticons");
 656  
 657          // If we don't have a post icon assign it as 0.
 658          if(empty($post['icon']) || !isset($posticons_cache[$post['icon']]))
 659          {
 660              $post['icon'] = 0;
 661          }
 662          return true;
 663      }
 664  
 665      /**
 666      * Verify the dateline.
 667      *
 668      * @return boolean True when valid, false when not valid.
 669      */
 670  	function verify_dateline()
 671      {
 672          $dateline = &$this->data['dateline'];
 673  
 674          // The date has to be numeric and > 0.
 675          if($dateline < 0 || is_numeric($dateline) == false)
 676          {
 677              $dateline = TIME_NOW;
 678          }
 679      }
 680  
 681      /**
 682       * Verify thread prefix.
 683       *
 684       * @return boolean True when valid, false when not valid.
 685       */
 686  	function verify_prefix()
 687      {
 688          $prefix = &$this->data['prefix'];
 689  
 690          // If a valid prefix isn't supplied, don't assign one.
 691          if(empty($prefix))
 692          {
 693              $prefix = 0;
 694          }
 695          else
 696          {
 697              if(!empty($this->data['tid']))
 698              {
 699                  // Fetch the thread
 700                  $thread = get_thread($this->data['tid']);
 701              }
 702  
 703              $prefix_cache = build_prefixes($prefix);
 704  
 705              if(empty($prefix_cache))
 706              {
 707                  $this->set_error('invalid_prefix');
 708                  return false;
 709              }
 710              if($prefix_cache['groups'] != "-1")
 711              {
 712                  if(!empty($this->data['edit_uid']))
 713                  {
 714                      // Post is being edited
 715                      $user = get_user($this->data['edit_uid']);
 716                  }
 717                  else
 718                  {
 719                      $user = get_user($this->data['uid']);
 720                  }
 721  
 722                  if(!is_member($prefix_cache['groups'], array('usergroup' => $user['usergroup'], 'additionalgroups' => $user['additionalgroups'])) && (empty($this->data['tid']) || $prefix != $thread['prefix']))
 723                  {
 724                      $this->set_error('invalid_prefix');
 725                      return false;
 726                  }
 727              }
 728              if($prefix_cache['forums'] != "-1")
 729              {
 730                  // Decide whether this prefix can be used in our forum
 731                  $forums = explode(",", $prefix_cache['forums']);
 732  
 733                  if(!in_array($this->data['fid'], $forums) && (empty($this->data['tid']) || $prefix != $thread['prefix']))
 734                  {
 735                      $this->set_error('invalid_prefix');
 736                      return false;
 737                  }
 738              }
 739          }
 740  
 741          // Does this forum require a prefix?
 742          $forum = get_forum($this->data['fid']);
 743  
 744          if($forum['requireprefix'] == 1)
 745          {
 746              $num_prefixes = false;
 747  
 748              // Go through each of our prefixes and decide if there are any possible prefixes to use.
 749              if(!empty($this->data['edit_uid']))
 750              {
 751                  // Post is being edited
 752                  $user = get_user($this->data['edit_uid']);
 753              }
 754              else
 755              {
 756                  $user = get_user($this->data['uid']);
 757              }
 758  
 759              $prefix_cache = build_prefixes();
 760  
 761              if(!empty($prefix_cache))
 762              {
 763                  foreach($prefix_cache as $required)
 764                  {
 765                      if($required['forums'] != "-1")
 766                      {
 767                          // Decide whether this prefix can be used in our forum
 768                          $forums = explode(",", $required['forums']);
 769  
 770                          if(!in_array($forum['fid'], $forums))
 771                          {
 772                              continue;
 773                          }
 774                      }
 775  
 776                      if(is_member($required['groups'], array('usergroup' => $user['usergroup'], 'additionalgroups' => $user['additionalgroups'])))
 777                      {
 778                          $num_prefixes = true;
 779                      }
 780                  }
 781              }
 782  
 783              if($prefix == 0 && $num_prefixes)
 784              {
 785                  $this->set_error('require_prefix');
 786                  return false;
 787              }
 788          }
 789  
 790          return true;
 791      }
 792  
 793      /**
 794       * Validate a post.
 795       *
 796       * @return boolean True when valid, false when invalid.
 797       */
 798  	function validate_post()
 799      {
 800          global $mybb, $db, $plugins;
 801  
 802          $post = &$this->data;
 803          $time = TIME_NOW;
 804  
 805          $this->action = "post";
 806  
 807          if($this->method != "update" && !$post['savedraft'])
 808          {
 809              $this->verify_post_flooding();
 810          }
 811  
 812          // Are we editing an existing thread or post?
 813          if($this->method == "update")
 814          {
 815              if(empty($post['tid']))
 816              {
 817                  $query = $db->simple_select("posts", "tid", "pid='".(int)$post['pid']."'");
 818                  $post['tid'] = $db->fetch_field($query, "tid");
 819              }
 820              // Here we determine if we're editing the first post of a thread or not.
 821              $options = array(
 822                  "limit" => 1,
 823                  "limit_start" => 0,
 824                  "order_by" => "dateline, pid",
 825              );
 826              $query = $db->simple_select("posts", "pid", "tid='".$post['tid']."'", $options);
 827              $first_check = $db->fetch_array($query);
 828              if($first_check['pid'] == $post['pid'])
 829              {
 830                  $this->first_post = true;
 831              }
 832          }
 833  
 834          // Verify all post assets.
 835  
 836          if($this->method == "insert" || array_key_exists('uid', $post))
 837          {
 838              $this->verify_author();
 839          }
 840  
 841          if($this->method == "insert" || array_key_exists('subject', $post))
 842          {
 843              $this->verify_subject();
 844          }
 845  
 846          if($this->method == "insert" || array_key_exists('message', $post))
 847          {
 848              $this->verify_message();
 849              $this->verify_image_count();
 850              $this->verify_video_count();
 851          }
 852  
 853          if($this->method == "insert" || array_key_exists('dateline', $post))
 854          {
 855              $this->verify_dateline();
 856          }
 857  
 858          if($this->method == "insert" || array_key_exists('replyto', $post))
 859          {
 860              $this->verify_reply_to();
 861          }
 862  
 863          if($this->method == "insert" || array_key_exists('icon', $post))
 864          {
 865              $this->verify_post_icon();
 866          }
 867  
 868          if($this->method == "insert" || array_key_exists('options', $post))
 869          {
 870              $this->verify_options();
 871          }
 872  
 873          if($this->method == "update" && $this->first_post)
 874          {
 875              $this->verify_prefix();
 876          }
 877  
 878          $plugins->run_hooks("datahandler_post_validate_post", $this);
 879  
 880          // We are done validating, return.
 881          $this->set_validated(true);
 882          if(count($this->get_errors()) > 0)
 883          {
 884              return false;
 885          }
 886          else
 887          {
 888              return true;
 889          }
 890      }
 891  
 892      /**
 893       * Insert a post into the database.
 894       *
 895       * @return array Array of new post details, pid and visibility.
 896       */
 897  	function insert_post()
 898      {
 899          global $db, $mybb, $plugins, $cache, $lang;
 900  
 901          $post = &$this->data;
 902  
 903          // Yes, validating is required.
 904          if(!$this->get_validated())
 905          {
 906              die("The post needs to be validated before inserting it into the DB.");
 907          }
 908          if(count($this->get_errors()) > 0)
 909          {
 910              die("The post is not valid.");
 911          }
 912  
 913          // Fetch the thread
 914          $thread = get_thread($post['tid']);
 915  
 916          $closed = $thread['closed'];
 917  
 918          // This post is being saved as a draft.
 919          if($post['savedraft'])
 920          {
 921              $visible = -2;
 922          }
 923  
 924          // Otherwise this post is being made now and we have a bit to do.
 925          else
 926          {
 927              // Automatic subscription to the thread
 928              if($post['uid'] > 0)
 929              {
 930                  require_once  MYBB_ROOT."inc/functions_user.php";
 931                  if($post['options']['subscriptionmethod'] == "")
 932                  {
 933                      remove_subscribed_thread($post['tid'], $post['uid']);
 934                  }
 935                  else
 936                  {
 937                      switch($post['options']['subscriptionmethod'])
 938                      {
 939                          case "pm":
 940                              $notification = 2;
 941                              break;
 942                          case "email":
 943                              $notification = 1;
 944                              break;
 945                          default:
 946                              $notification = 0;
 947                      }
 948                      add_subscribed_thread($post['tid'], $notification, $post['uid']);
 949                  }
 950              }
 951  
 952              // Perform any selected moderation tools.
 953              $ismod = is_moderator($post['fid'], "", $post['uid']);
 954              if($ismod && isset($post['modoptions']))
 955              {
 956                  $lang->load($this->language_file, true);
 957  
 958                  $modoptions = $post['modoptions'];
 959                  $modlogdata['fid'] = $thread['fid'];
 960                  $modlogdata['tid'] = $thread['tid'];
 961  
 962                  $modoptions_update = array();
 963  
 964                  // Close the thread.
 965                  if(!empty($modoptions['closethread']) && $thread['closed'] != 1 && is_moderator($post['fid'], "canopenclosethreads", $post['uid']))
 966                  {
 967                      $modoptions_update['closed'] = $closed = 1;
 968                      log_moderator_action($modlogdata, $lang->thread_closed);
 969                  }
 970  
 971                  // Open the thread.
 972                  if(empty($modoptions['closethread']) && $thread['closed'] == 1 && is_moderator($post['fid'], "canopenclosethreads", $post['uid']))
 973                  {
 974                      $modoptions_update['closed'] = $closed = 0;
 975                      log_moderator_action($modlogdata, $lang->thread_opened);
 976                  }
 977  
 978                  // Stick the thread.
 979                  if(!empty($modoptions['stickthread']) && $thread['sticky'] != 1 && is_moderator($post['fid'], "canstickunstickthreads", $post['uid']))
 980                  {
 981                      $modoptions_update['sticky'] = 1;
 982                      log_moderator_action($modlogdata, $lang->thread_stuck);
 983                  }
 984  
 985                  // Unstick the thread.
 986                  if(empty($modoptions['stickthread']) && $thread['sticky'] == 1 && is_moderator($post['fid'], "canstickunstickthreads", $post['uid']))
 987                  {
 988                      $modoptions_update['sticky'] = 0;
 989                      log_moderator_action($modlogdata, $lang->thread_unstuck);
 990                  }
 991  
 992                  // Execute moderation options.
 993                  if($modoptions_update)
 994                  {
 995                      $db->update_query('threads', $modoptions_update, "tid='{$thread['tid']}'");
 996                  }
 997              }
 998  
 999              // Fetch the forum this post is being made in
1000              $forum = get_forum($post['fid']);
1001  
1002              // Decide on the visibility of this post.
1003              $forumpermissions = forum_permissions($post['fid'], $post['uid']);
1004              if($forumpermissions['modposts'] == 1 && !$ismod)
1005              {
1006                  $visible = 0;
1007              }
1008              else
1009              {
1010                  $visible = 1;
1011              }
1012  
1013              // Are posts from this user being moderated? Change visibility
1014              if($mybb->user['uid'] == $post['uid'] && $mybb->user['moderateposts'] == 1)
1015              {
1016                  $visible = 0;
1017              }
1018          }
1019  
1020          if(!isset($post['pid']))
1021          {
1022              $post['pid'] = 0;
1023          }
1024  
1025          $post['pid'] = (int)$post['pid'];
1026          $post['uid'] = (int)$post['uid'];
1027  
1028          if($post['pid'] > 0)
1029          {
1030              $query = $db->simple_select("posts", "tid", "pid='{$post['pid']}' AND uid='{$post['uid']}' AND visible='-2'");
1031              $draft_check = $db->fetch_field($query, "tid");
1032          }
1033          else
1034          {
1035              $draft_check = false;
1036          }
1037  
1038          if($this->method != "update" && $visible == 1)
1039          {
1040              $double_post = $this->verify_post_merge();
1041  
1042              // Only combine if they are both invisible (mod queue'd forum) or both visible
1043              if($double_post !== true && $double_post['visible'] == $visible)
1044              {
1045                  $_message = $post['message'];
1046  
1047                  $post['message'] = $double_post['message'] .= "\n".$mybb->settings['postmergesep']."\n".$post['message'];
1048                  
1049                  if ($this->validate_post())
1050                  {
1051                      $this->pid = $double_post['pid'];
1052                      
1053                      $update_query = array(
1054                          "message" => $db->escape_string($double_post['message'])
1055                      );
1056                      $update_query['edituid'] = (int)$post['uid'];
1057                      $update_query['edittime'] = TIME_NOW;
1058                      $db->update_query("posts", $update_query, "pid='".$double_post['pid']."'");
1059                      
1060                      if($draft_check)
1061                      {
1062                          $db->delete_query("posts", "pid='".$post['pid']."'");
1063                      }
1064                      
1065                      if($post['posthash'])
1066                      {
1067                          // Assign any uploaded attachments with the specific posthash to the merged post.
1068                          $post['posthash'] = $db->escape_string($post['posthash']);
1069                          
1070                          $query = $db->simple_select("attachments", "COUNT(aid) AS attachmentcount", "pid='0' AND visible='1' AND posthash='{$post['posthash']}'");
1071                          $attachmentcount = $db->fetch_field($query, "attachmentcount");
1072                          
1073                          if($attachmentcount > 0)
1074                          {
1075                              // Update forum count
1076                              update_thread_counters($post['tid'], array('attachmentcount' => "+{$attachmentcount}"));
1077                          }
1078                          
1079                          $attachmentassign = array(
1080                              "pid" => $double_post['pid'],
1081                              "posthash" => ''
1082                          );
1083                          $db->update_query("attachments", $attachmentassign, "posthash='{$post['posthash']}' AND pid='0'");
1084                      }
1085                      
1086                      // Return the post's pid and whether or not it is visible.
1087                      $this->return_values = array(
1088                          "pid" => $double_post['pid'],
1089                          "visible" => $visible,
1090                          "merge" => true
1091                      );
1092                      
1093                      $plugins->run_hooks("datahandler_post_insert_merge", $this);
1094                      
1095                      return $this->return_values;
1096                  }
1097                  else
1098                  {
1099                      $post['message'] = $_message;
1100                  }
1101              }
1102          }
1103  
1104          if($visible == 1)
1105          {
1106              $now = TIME_NOW;
1107  
1108              // Yes, the value to the lastpost key in this array has single quotes within double quotes. It's not a bug.
1109              $update_array = array(
1110                  'lastpost' => "'{$now}'"
1111              );
1112              if($forum['usepostcounts'] != 0 && $thread['visible'] == 1)
1113              {
1114                  $update_array['postnum'] = 'postnum+1';
1115              }
1116  
1117              $db->update_query("users", $update_array, "uid='{$post['uid']}'", 1, true);
1118          }
1119  
1120          // Are we updating a post which is already a draft? Perhaps changing it into a visible post?
1121          if($draft_check)
1122          {
1123              // Update a post that is a draft
1124              $this->post_update_data = array(
1125                  "subject" => $db->escape_string($post['subject']),
1126                  "icon" => (int)$post['icon'],
1127                  "uid" => $post['uid'],
1128                  "username" => $db->escape_string($post['username']),
1129                  "dateline" => (int)$post['dateline'],
1130                  "message" => $db->escape_string($post['message']),
1131                  "ipaddress" => $db->escape_binary($post['ipaddress']),
1132                  "includesig" => $post['options']['signature'],
1133                  "smilieoff" => $post['options']['disablesmilies'],
1134                  "visible" => $visible
1135              );
1136  
1137              $plugins->run_hooks("datahandler_post_insert_post", $this);
1138  
1139              $db->update_query("posts", $this->post_update_data, "pid='{$post['pid']}'");
1140              $this->pid = $post['pid'];
1141          }
1142          else
1143          {
1144              // Insert the post.
1145              $this->post_insert_data = array(
1146                  "tid" => (int)$post['tid'],
1147                  "replyto" => (int)$post['replyto'],
1148                  "fid" => (int)$post['fid'],
1149                  "subject" => $db->escape_string($post['subject']),
1150                  "icon" => (int)$post['icon'],
1151                  "uid" => $post['uid'],
1152                  "username" => $db->escape_string($post['username']),
1153                  "dateline" => $post['dateline'],
1154                  "message" => $db->escape_string($post['message']),
1155                  "ipaddress" => $db->escape_binary($post['ipaddress']),
1156                  "includesig" => $post['options']['signature'],
1157                  "smilieoff" => $post['options']['disablesmilies'],
1158                  "visible" => $visible
1159              );
1160  
1161              $plugins->run_hooks("datahandler_post_insert_post", $this);
1162  
1163              $this->pid = $db->insert_query("posts", $this->post_insert_data);
1164          }
1165  
1166          // Assign any uploaded attachments with the specific posthash to the newly created post.
1167          if($post['posthash'])
1168          {
1169              $post['posthash'] = $db->escape_string($post['posthash']);
1170              $attachmentassign = array(
1171                  "pid" => $this->pid,
1172                  "posthash" => ''
1173              );
1174              $db->update_query("attachments", $attachmentassign, "posthash='{$post['posthash']}' AND pid='0'");
1175          }
1176  
1177          $thread_update = array();
1178          if($visible == 1 && $thread['visible'] == 1)
1179          {
1180              require_once  MYBB_ROOT.'inc/class_parser.php';
1181              $parser = new Postparser;
1182  
1183              $done_users = array();
1184  
1185              $subject = $parser->parse_badwords($thread['subject']);
1186  
1187              $parser_options = array(
1188                  'me_username'        => $post['username'],
1189                  'filter_badwords'    => 1
1190              );
1191  
1192              $excerpt = $parser->text_parse_message($post['message'], $parser_options);
1193              $excerpt = my_substr($excerpt, 0, $mybb->settings['subscribeexcerpt']).$lang->emailbit_viewthread;
1194  
1195              // Fetch any users subscribed to this thread receiving instant notification and queue up their subscription notices
1196              $query = $db->query("
1197                  SELECT u.username, u.email, u.uid, u.language, u.loginkey, u.salt, u.regdate, s.notification
1198                  FROM ".TABLE_PREFIX."threadsubscriptions s
1199                  LEFT JOIN ".TABLE_PREFIX."users u ON (u.uid=s.uid)
1200                  WHERE (s.notification='1' OR s.notification='2') AND s.tid='{$post['tid']}'
1201                  AND s.uid != '{$post['uid']}'
1202                  AND u.lastactive>'{$thread['lastpost']}'
1203              ");
1204  
1205              $args = array(
1206                  'this' => &$this,
1207                  'done_users' => &$done_users,
1208                  'users' => array()
1209              );
1210  
1211              while($subscribedmember = $db->fetch_array($query))
1212              {
1213                  if($done_users[$subscribedmember['uid']])
1214                  {
1215                      continue;
1216                  }
1217  
1218                  $args['users'][$subscribedmember['uid']] = (int)$subscribedmember['uid'];
1219  
1220                  $done_users[$subscribedmember['uid']] = 1;
1221  
1222                  $forumpermissions = forum_permissions($thread['fid'], $subscribedmember['uid']);
1223                  if($forumpermissions['canview'] == 0 || $forumpermissions['canviewthreads'] == 0)
1224                  {
1225                      continue;
1226                  }
1227  
1228                  if($thread['uid'] != $subscribedmember['uid'] && $forumpermissions['canonlyviewownthread'] == 1 && !is_moderator($thread['fid'], "", $subscribedmember['uid']))
1229                  {
1230                      // User isn't a moderator or the author of the thread...
1231                      continue;
1232                  }
1233  
1234                  if($subscribedmember['language'] != '' && $lang->language_exists($subscribedmember['language']))
1235                  {
1236                      $uselang = $subscribedmember['language'];
1237                  }
1238                  elseif($mybb->settings['orig_bblanguage'])
1239                  {
1240                      $uselang = $mybb->settings['orig_bblanguage'];
1241                  }
1242                  else
1243                  {
1244                      $uselang = "english";
1245                  }
1246  
1247                  if($uselang == $mybb->settings['bblanguage'])
1248                  {
1249                      if($subscribedmember['notification'] == 1)
1250                      {
1251                          $emailsubject = $lang->emailsubject_subscription;
1252                          $emailmessage = $lang->email_subscription;
1253                      }
1254  
1255                      // If the poster is unregistered and hasn't set a username, call them Guest
1256                      if(!$post['uid'] && !$post['username'])
1257                      {
1258                          $post['username'] = htmlspecialchars_uni($lang->guest);
1259                      }
1260                  }
1261                  else
1262                  {
1263  
1264                      if(($subscribedmember['notification'] == 1 && !isset($langcache[$uselang]['emailsubject_subscription'])) || !isset($langcache[$uselang]['guest']))
1265                      {
1266                          $userlang = new MyLanguage;
1267                          $userlang->set_path(MYBB_ROOT."inc/languages");
1268                          $userlang->set_language($uselang);
1269                          if($subscribedmember['notification'] == 1)
1270                          {
1271                              $userlang->load("messages");
1272                              $langcache[$uselang]['emailsubject_subscription'] = $userlang->emailsubject_subscription;
1273                              $langcache[$uselang]['email_subscription'] = $userlang->email_subscription;
1274                          }
1275                          $userlang->load("global");
1276  
1277                          $langcache[$uselang]['guest'] = $userlang->guest;
1278                          unset($userlang);
1279                      }
1280                      if($subscribedmember['notification'] == 1)
1281                      {
1282                          $emailsubject = $langcache[$uselang]['emailsubject_subscription'];
1283                          $emailmessage = $langcache[$uselang]['email_subscription'];
1284                      }
1285  
1286                      // If the poster is unregistered and hasn't set a username, call them Guest
1287                      if(!$post['uid'] && !$post['username'])
1288                      {
1289                          $post['username'] = $langcache[$uselang]['guest'];
1290                      }
1291                  }
1292  
1293                  if($subscribedmember['notification'] == 1)
1294                  {
1295                      $emailsubject = $lang->sprintf($emailsubject, $subject);
1296  
1297                      $emailmessage = $lang->sprintf($emailmessage, $subscribedmember['username'], $post['username'], $mybb->settings['bbname'], $subject, $excerpt, $mybb->settings['bburl'], str_replace("&amp;", "&", get_thread_link($thread['tid'], 0, "newpost")), $thread['tid']);
1298                      $new_email = array(
1299                          "mailto" => $db->escape_string($subscribedmember['email']),
1300                          "mailfrom" => '',
1301                          "subject" => $db->escape_string($emailsubject),
1302                          "message" => $db->escape_string($emailmessage),
1303                          "headers" => ''
1304                      );
1305                      $db->insert_query("mailqueue", $new_email);
1306                      unset($userlang);
1307                      $queued_email = 1;
1308                  }
1309                  elseif($subscribedmember['notification'] == 2)
1310                  {
1311                      $pm = array(
1312                          'subject' => array('pmsubject_subscription', $subject),
1313                          'message' => array('pm_subscription', $subscribedmember['username'], $post['username'], $subject, $excerpt, $mybb->settings['bburl'], str_replace("&amp;", "&", get_thread_link($thread['tid'], 0, "newpost")), $thread['tid']),
1314                          'touid' => $subscribedmember['uid'],
1315                          'language' => $subscribedmember['language'],
1316                          'language_file' => 'messages'
1317                      );
1318                      send_pm($pm, -1, true);
1319                  }
1320              }
1321  
1322              $plugins->run_hooks('datahandler_post_insert_subscribed', $args);
1323  
1324              // Have one or more emails been queued? Update the queue count
1325              if(isset($queued_email) && $queued_email == 1)
1326              {
1327                  $cache->update_mailqueue();
1328              }
1329  
1330              $thread_update = array('replies' => '+1');
1331  
1332              // Update counters
1333              update_last_post($post['tid']);
1334              update_forum_counters($post['fid'], array("posts" => "+1"));
1335              update_forum_lastpost($thread['fid']);
1336          }
1337          // Post is stuck in moderation queue
1338          else if($visible == 0)
1339          {
1340              // Update the unapproved posts count for the current thread and current forum
1341              $thread_update = array('unapprovedposts' => '+1');
1342              update_thread_counters($post['tid'], array("unapprovedposts" => "+1"));
1343              update_forum_counters($post['fid'], array("unapprovedposts" => "+1"));
1344          }
1345          else if($thread['visible'] == 0)
1346          {
1347              // Update the unapproved posts count for the current forum
1348              $thread_update = array('replies' => '+1');
1349              update_forum_counters($post['fid'], array("unapprovedposts" => "+1"));
1350          }
1351          else if($thread['visible'] == -1)
1352          {
1353              // Update the unapproved posts count for the current forum
1354              $thread_update = array('replies' => '+1');
1355              update_forum_counters($post['fid'], array("deletedposts" => "+1"));
1356          }
1357  
1358          // Update last poster
1359          if($visible == 1 && $thread['visible'] != 1)
1360          {
1361              update_last_post($post['tid']);
1362          }
1363  
1364          $query = $db->simple_select("attachments", "COUNT(aid) AS attachmentcount", "pid='{$this->pid}' AND visible='1'");
1365          $attachmentcount = $db->fetch_field($query, "attachmentcount");
1366          if($attachmentcount > 0)
1367          {
1368              $thread_update['attachmentcount'] = "+{$attachmentcount}";
1369          }
1370          update_thread_counters($post['tid'], $thread_update);
1371  
1372          // Return the post's pid and whether or not it is visible.
1373          $this->return_values = array(
1374              "pid" => $this->pid,
1375              "visible" => $visible,
1376              "closed" => $closed
1377          );
1378  
1379          $plugins->run_hooks("datahandler_post_insert_post_end", $this);
1380  
1381          return $this->return_values;
1382      }
1383  
1384      /**
1385       * Validate a thread.
1386       *
1387       * @return boolean True when valid, false when invalid.
1388       */
1389  	function validate_thread()
1390      {
1391          global $mybb, $db, $plugins;
1392  
1393          $thread = &$this->data;
1394  
1395          // Validate all thread assets.
1396  
1397          if(!$thread['savedraft'])
1398          {
1399              $this->verify_post_flooding();
1400          }
1401  
1402          if($this->method == "insert" || array_key_exists('uid', $thread))
1403          {
1404              $this->verify_author();
1405          }
1406  
1407          if($this->method == "insert" || array_key_exists('prefix', $thread))
1408          {
1409              $this->verify_prefix();
1410          }
1411  
1412          if($this->method == "insert" || array_key_exists('subject', $thread))
1413          {
1414              $this->verify_subject();
1415          }
1416  
1417          if($this->method == "insert" || array_key_exists('message', $thread))
1418          {
1419              $this->verify_message();
1420              $this->verify_image_count();
1421              $this->verify_video_count();
1422          }
1423  
1424          if($this->method == "insert" || array_key_exists('dateline', $thread))
1425          {
1426              $this->verify_dateline();
1427          }
1428  
1429          if($this->method == "insert" || array_key_exists('icon', $thread))
1430          {
1431              $this->verify_post_icon();
1432          }
1433  
1434          if($this->method == "insert" || array_key_exists('options', $thread))
1435          {
1436              $this->verify_options();
1437          }
1438  
1439          $plugins->run_hooks("datahandler_post_validate_thread", $this);
1440  
1441          // We are done validating, return.
1442          $this->set_validated(true);
1443          if(count($this->get_errors()) > 0)
1444          {
1445              return false;
1446          }
1447          else
1448          {
1449              return true;
1450          }
1451      }
1452  
1453      /**
1454       * Insert a thread into the database.
1455       *
1456       * @return array Array of new thread details, tid and visibility.
1457       */
1458  	function insert_thread()
1459      {
1460          global $db, $mybb, $plugins, $cache, $lang;
1461  
1462          // Yes, validating is required.
1463          if(!$this->get_validated())
1464          {
1465              die("The thread needs to be validated before inserting it into the DB.");
1466          }
1467          if(count($this->get_errors()) > 0)
1468          {
1469              die("The thread is not valid.");
1470          }
1471  
1472          $thread = &$this->data;
1473  
1474          // Fetch the forum this thread is being made in
1475          $query = $db->simple_select("forums", "*", "fid='{$thread['fid']}'");
1476          $forum = $db->fetch_array($query);
1477  
1478          // This thread is being saved as a draft.
1479          if($thread['savedraft'])
1480          {
1481              $visible = -2;
1482          }
1483  
1484          // Thread is being made now and we have a bit to do.
1485          else
1486          {
1487              $forumpermissions = forum_permissions($thread['fid'], $thread['uid']);
1488              // Decide on the visibility of this post.
1489              if($forumpermissions['modthreads'] == 1 && !is_moderator($thread['fid'], "", $thread['uid']))
1490              {
1491                  $visible = 0;
1492              }
1493              else
1494              {
1495                  $visible = 1;
1496              }
1497  
1498              // Are posts from this user being moderated? Change visibility
1499              if($mybb->user['uid'] == $thread['uid'] && $mybb->user['moderateposts'] == 1)
1500              {
1501                  $visible = 0;
1502              }
1503          }
1504  
1505          // Have a post ID but not a thread ID - fetch thread ID
1506          if(!empty($thread['pid']) && !$thread['tid'])
1507          {
1508              $query = $db->simple_select("posts", "tid", "pid='{$thread['pid']}");
1509              $thread['tid'] = $db->fetch_field($query, "tid");
1510          }
1511  
1512          if(isset($thread['pid']) && $thread['pid'] > 0)
1513          {
1514              $query = $db->simple_select("posts", "pid", "pid='{$thread['pid']}' AND uid='{$thread['uid']}' AND visible='-2'");
1515              $draft_check = $db->fetch_field($query, "pid");
1516          }
1517          else
1518          {
1519              $draft_check = false;
1520          }
1521  
1522          // Are we updating a post which is already a draft? Perhaps changing it into a visible post?
1523          if($draft_check)
1524          {
1525              $this->thread_insert_data = array(
1526                  "subject" => $db->escape_string($thread['subject']),
1527                  "icon" => (int)$thread['icon'],
1528                  "username" => $db->escape_string($thread['username']),
1529                  "dateline" => (int)$thread['dateline'],
1530                  "lastpost" => (int)$thread['dateline'],
1531                  "lastposter" => $db->escape_string($thread['username']),
1532                  "visible" => $visible
1533              );
1534  
1535              $plugins->run_hooks("datahandler_post_insert_thread", $this);
1536  
1537              $db->update_query("threads", $this->thread_insert_data, "tid='{$thread['tid']}'");
1538  
1539              $this->post_insert_data = array(
1540                  "subject" => $db->escape_string($thread['subject']),
1541                  "icon" => (int)$thread['icon'],
1542                  "username" => $db->escape_string($thread['username']),
1543                  "dateline" => (int)$thread['dateline'],
1544                  "message" => $db->escape_string($thread['message']),
1545                  "ipaddress" => $db->escape_binary(my_inet_pton(get_ip())),
1546                  "includesig" => $thread['options']['signature'],
1547                  "smilieoff" => $thread['options']['disablesmilies'],
1548                  "visible" => $visible
1549              );
1550              $plugins->run_hooks("datahandler_post_insert_thread_post", $this);
1551  
1552              $db->update_query("posts", $this->post_insert_data, "pid='{$thread['pid']}'");
1553              $this->tid = $thread['tid'];
1554              $this->pid = $thread['pid'];
1555          }
1556  
1557          // Inserting a new thread into the database.
1558          else
1559          {
1560              $this->thread_insert_data = array(
1561                  "fid" => $thread['fid'],
1562                  "subject" => $db->escape_string($thread['subject']),
1563                  "prefix" => (int)$thread['prefix'],
1564                  "icon" => (int)$thread['icon'],
1565                  "uid" => $thread['uid'],
1566                  "username" => $db->escape_string($thread['username']),
1567                  "dateline" => (int)$thread['dateline'],
1568                  "lastpost" => (int)$thread['dateline'],
1569                  "lastposter" => $db->escape_string($thread['username']),
1570                  "lastposteruid" => $thread['uid'],
1571                  "views" => 0,
1572                  "replies" => 0,
1573                  "visible" => $visible,
1574                  "notes" => ''
1575              );
1576  
1577              $plugins->run_hooks("datahandler_post_insert_thread", $this);
1578  
1579              $this->tid = $db->insert_query("threads", $this->thread_insert_data);
1580  
1581              $this->post_insert_data = array(
1582                  "tid" => $this->tid,
1583                  "fid" => $thread['fid'],
1584                  "subject" => $db->escape_string($thread['subject']),
1585                  "icon" => (int)$thread['icon'],
1586                  "uid" => $thread['uid'],
1587                  "username" => $db->escape_string($thread['username']),
1588                  "dateline" => (int)$thread['dateline'],
1589                  "message" => $db->escape_string($thread['message']),
1590                  "ipaddress" => $db->escape_binary(my_inet_pton(get_ip())),
1591                  "includesig" => $thread['options']['signature'],
1592                  "smilieoff" => $thread['options']['disablesmilies'],
1593                  "visible" => $visible
1594              );
1595              $plugins->run_hooks("datahandler_post_insert_thread_post", $this);
1596  
1597              $this->pid = $db->insert_query("posts", $this->post_insert_data);
1598  
1599              // Now that we have the post id for this first post, update the threads table.
1600              $firstpostup = array("firstpost" => $this->pid);
1601              $db->update_query("threads", $firstpostup, "tid='{$this->tid}'");
1602          }
1603  
1604          // If we're not saving a draft there are some things we need to check now
1605          if(!$thread['savedraft'])
1606          {
1607              if($thread['options']['subscriptionmethod'] != "" && $thread['uid'] > 0)
1608              {
1609                  switch($thread['options']['subscriptionmethod'])
1610                  {
1611                      case "pm":
1612                          $notification = 2;
1613                          break;
1614                      case "email":
1615                          $notification = 1;
1616                          break;
1617                      default:
1618                          $notification = 0;
1619                  }
1620  
1621                  require_once  MYBB_ROOT."inc/functions_user.php";
1622                  add_subscribed_thread($this->tid, $notification, $thread['uid']);
1623              }
1624  
1625              // Perform any selected moderation tools.
1626              if(is_moderator($thread['fid'], "", $thread['uid']) && isset($thread['modoptions']))
1627              {
1628                  $lang->load($this->language_file, true);
1629  
1630                  $modoptions = $thread['modoptions'];
1631                  $modlogdata['fid'] = $thread['fid'];
1632                  if(isset($thread['tid']))
1633                  {
1634                      $modlogdata['tid'] = $thread['tid'];
1635                  }
1636  
1637                  $modoptions_update = array();
1638  
1639                  // Close the thread.
1640                  if(!empty($modoptions['closethread']) && is_moderator($thread['fid'], "canopenclosethreads", $thread['uid']))
1641                  {
1642                      $modoptions_update['closed'] = 1;
1643                      log_moderator_action($modlogdata, $lang->thread_closed);
1644                  }
1645  
1646                  // Stick the thread.
1647                  if(!empty($modoptions['stickthread']) && is_moderator($thread['fid'], "canstickunstickthreads", $thread['uid']))
1648                  {
1649                      $modoptions_update['sticky'] = 1;
1650                      log_moderator_action($modlogdata, $lang->thread_stuck);
1651                  }
1652  
1653                  // Execute moderation options.
1654                  if($modoptions_update)
1655                  {
1656                      $db->update_query('threads', $modoptions_update, "tid='{$this->tid}'");
1657                  }
1658              }
1659              if($visible == 1)
1660              {
1661                  // If we have a registered user then update their post count and last post times.
1662                  if($thread['uid'] > 0)
1663                  {
1664                      $user = get_user($thread['uid']);
1665                      $update_query = array();
1666                      // Only update the lastpost column of the user if the date of the thread is newer than their last post.
1667                      if($thread['dateline'] > $user['lastpost'])
1668                      {
1669                          // Yes this has a single quote within a double quote. It's not a bug.
1670                          $update_query['lastpost'] = "'{$thread['dateline']}'";
1671                      }
1672                      // Update the post count if this forum allows post counts to be tracked
1673                      if($forum['usepostcounts'] != 0)
1674                      {
1675                          $update_query['postnum'] = "postnum+1";
1676                      }
1677                      if($forum['usethreadcounts'] != 0)
1678                      {
1679                          $update_query['threadnum'] = 'threadnum+1';
1680                      }
1681  
1682                      // Only update the table if we need to.
1683                      if(!empty($update_query))
1684                      {
1685                          $db->update_query("users", $update_query, "uid='{$thread['uid']}'", 1, true);
1686                      }
1687                  }
1688  
1689                  $done_users = array();
1690  
1691                  // Queue up any forum subscription notices to users who are subscribed to this forum.
1692                  $excerpt = $thread['message'];
1693  
1694                  // Parse badwords
1695                  require_once  MYBB_ROOT."inc/class_parser.php";
1696                  $parser = new postParser;
1697                  $excerpt = $parser->parse_badwords($excerpt);
1698                  $excerpt = $parser->text_parse_message($excerpt);
1699                  if(strlen($excerpt) > $mybb->settings['subscribeexcerpt'])
1700                  {
1701                      $excerpt = my_substr($excerpt, 0, $mybb->settings['subscribeexcerpt']).$lang->emailbit_viewthread;
1702                  }
1703                  $query = $db->query("
1704                      SELECT u.username, u.email, u.uid, u.language, u.loginkey, u.salt, u.regdate
1705                      FROM ".TABLE_PREFIX."forumsubscriptions fs
1706                      LEFT JOIN ".TABLE_PREFIX."users u ON (u.uid=fs.uid)
1707                      LEFT JOIN ".TABLE_PREFIX."usergroups g ON (g.gid=u.usergroup)
1708                      WHERE fs.fid='".(int)$thread['fid']."'
1709                      AND fs.uid != '".(int)$thread['uid']."'
1710                      AND u.lastactive > '{$forum['lastpost']}'
1711                      AND g.isbannedgroup != 1
1712                  ");
1713                  while($subscribedmember = $db->fetch_array($query))
1714                  {
1715                      if($done_users[$subscribedmember['uid']])
1716                      {
1717                          continue;
1718                      }
1719                      $done_users[$subscribedmember['uid']] = 1;
1720  
1721                      $forumpermissions = forum_permissions($thread['fid'], $subscribedmember['uid']);
1722                      if($forumpermissions['canview'] == 0 || $forumpermissions['canviewthreads'] == 0)
1723                      {
1724                          continue;
1725                      }
1726  
1727                      if(!is_moderator($thread['fid'], "", $subscribedmember['uid']) && $forumpermissions['canonlyviewownthreads'] == 1)
1728                      {
1729                          // In a 'view own only' forum and not a moderator
1730                          continue;
1731                      }
1732  
1733                      // Determine the language pack we'll be using to send this email in and load it if it isn't already.
1734                      if($subscribedmember['language'] != '' && $lang->language_exists($subscribedmember['language']))
1735                      {
1736                          $uselang = $subscribedmember['language'];
1737                      }
1738                      else if($mybb->settings['bblanguage'])
1739                      {
1740                          $uselang = $mybb->settings['bblanguage'];
1741                      }
1742                      else
1743                      {
1744                          $uselang = "english";
1745                      }
1746  
1747                      if($uselang == $mybb->settings['bblanguage'])
1748                      {
1749                          $emailsubject = $lang->emailsubject_forumsubscription;
1750                          $emailmessage = $lang->email_forumsubscription;
1751  
1752                          // If the poster is unregistered and hasn't set a username, call them Guest
1753                          if(!$thread['uid'] && !$thread['username'])
1754                          {
1755                              $thread['username'] = htmlspecialchars_uni($lang->guest);
1756                          }
1757                      }
1758                      else
1759                      {
1760                          if(!isset($langcache[$uselang]['emailsubject_forumsubscription']))
1761                          {
1762                              $userlang = new MyLanguage;
1763                              $userlang->set_path(MYBB_ROOT."inc/languages");
1764                              $userlang->set_language($uselang);
1765                              $userlang->load("messages");
1766                              $userlang->load("global");
1767                              $langcache[$uselang]['emailsubject_forumsubscription'] = $userlang->emailsubject_forumsubscription;
1768                              $langcache[$uselang]['email_forumsubscription'] = $userlang->email_forumsubscription;
1769                              $langcache[$uselang]['guest'] = $userlang->guest;
1770                              unset($userlang);
1771                          }
1772                          $emailsubject = $langcache[$uselang]['emailsubject_forumsubscription'];
1773                          $emailmessage = $langcache[$uselang]['email_forumsubscription'];
1774  
1775                          // If the poster is unregistered and hasn't set a username, call them Guest
1776                          if(!$thread['uid'] && !$thread['username'])
1777                          {
1778                              $thread['username'] = $langcache[$uselang]['guest'];
1779                          }
1780                      }
1781                      $emailsubject = $lang->sprintf($emailsubject, $forum['name']);
1782  
1783                      $emailmessage = $lang->sprintf($emailmessage, $subscribedmember['username'], $thread['username'], $forum['name'], $mybb->settings['bbname'], $thread['subject'], $excerpt, $mybb->settings['bburl'], get_thread_link($this->tid), $thread['fid']);
1784                      $new_email = array(
1785                          "mailto" => $db->escape_string($subscribedmember['email']),
1786                          "mailfrom" => '',
1787                          "subject" => $db->escape_string($emailsubject),
1788                          "message" => $db->escape_string($emailmessage),
1789                          "headers" => ''
1790                      );
1791                      $db->insert_query("mailqueue", $new_email);
1792                      unset($userlang);
1793                      $queued_email = 1;
1794                  }
1795                  // Have one or more emails been queued? Update the queue count
1796                  if(isset($queued_email) && $queued_email == 1)
1797                  {
1798                      $cache->update_mailqueue();
1799                  }
1800              }
1801          }
1802  
1803          // Assign any uploaded attachments with the specific posthash to the newly created post.
1804          if($thread['posthash'])
1805          {
1806              $thread['posthash'] = $db->escape_string($thread['posthash']);
1807              $attachmentassign = array(
1808                  "pid" => $this->pid,
1809                  "posthash" => ''
1810              );
1811              $db->update_query("attachments", $attachmentassign, "posthash='{$thread['posthash']}' AND pid='0'");
1812          }
1813  
1814          if($visible == 1)
1815          {
1816              update_last_post($this->tid);
1817              update_forum_counters($thread['fid'], array("threads" => "+1", "posts" => "+1"));
1818              update_forum_lastpost($thread['fid']);
1819          }
1820          else if($visible == 0)
1821          {
1822              update_forum_counters($thread['fid'], array("unapprovedthreads" => "+1", "unapprovedposts" => "+1"));
1823          }
1824  
1825          $query = $db->simple_select("attachments", "COUNT(aid) AS attachmentcount", "pid='{$this->pid}' AND visible='1'");
1826          $attachmentcount = $db->fetch_field($query, "attachmentcount");
1827          if($attachmentcount > 0)
1828          {
1829              update_thread_counters($this->tid, array("attachmentcount" => "+{$attachmentcount}"));
1830          }
1831  
1832          // Return the post's pid and whether or not it is visible.
1833          $this->return_values = array(
1834              "pid" => $this->pid,
1835              "tid" => $this->tid,
1836              "visible" => $visible
1837          );
1838  
1839          $plugins->run_hooks("datahandler_post_insert_thread_end", $this);
1840  
1841          return $this->return_values;
1842      }
1843  
1844      /**
1845       * Updates a post that is already in the database.
1846       *
1847       * @return array
1848       */
1849  	function update_post()
1850      {
1851          global $db, $mybb, $plugins;
1852  
1853          // Yes, validating is required.
1854          if($this->get_validated() != true)
1855          {
1856              die("The post needs to be validated before inserting it into the DB.");
1857          }
1858          if(count($this->get_errors()) > 0)
1859          {
1860              die("The post is not valid.");
1861          }
1862  
1863          $post = &$this->data;
1864  
1865          $post['pid'] = (int)$post['pid'];
1866  
1867          $existing_post = get_post($post['pid']);
1868          $post['tid'] = $existing_post['tid'];
1869          $post['fid'] = $existing_post['fid'];
1870  
1871          if(isset($post['uid']))
1872          {
1873              $uid = $post['uid'];
1874          }
1875          else
1876          {
1877              $uid = 0;
1878          }
1879  
1880          $forum = get_forum($post['fid']);
1881          $forumpermissions = forum_permissions($post['fid'], $uid);
1882  
1883          // Decide on the visibility of this post.
1884          $ismod = is_moderator($post['fid'], "", $uid);
1885  
1886          // Keep visibility for unapproved and deleted posts
1887          if($existing_post['visible'] == 0)
1888          {
1889              $visible = 0;
1890          }
1891          elseif($existing_post['visible'] == -1)
1892          {
1893              $visible = -1;
1894          }
1895          elseif($forumpermissions['mod_edit_posts'] == 1 && !$ismod)
1896          {
1897              $visible = 0;
1898              require_once  MYBB_ROOT."inc/class_moderation.php";
1899              $moderation = new Moderation;
1900              $moderation->unapprove_posts(array($post['pid']));
1901          }
1902          else
1903          {
1904              $visible = 1;
1905          }
1906  
1907          // Update the thread details that might have been changed first.
1908          if($this->first_post)
1909          {
1910              $this->tid = $post['tid'];
1911  
1912              if(isset($post['prefix']))
1913              {
1914                  $this->thread_update_data['prefix'] = (int)$post['prefix'];
1915              }
1916  
1917              if(isset($post['subject']))
1918              {
1919                  $this->thread_update_data['subject'] = $db->escape_string($post['subject']);
1920              }
1921  
1922              if(isset($post['icon']))
1923              {
1924                  $this->thread_update_data['icon'] = (int)$post['icon'];
1925              }
1926              if(count($this->thread_update_data) > 0)
1927              {
1928                  $plugins->run_hooks("datahandler_post_update_thread", $this);
1929  
1930                  $db->update_query("threads", $this->thread_update_data, "tid='".(int)$post['tid']."'");
1931              }
1932  
1933              // Update any moved thread links to have corresponding new subject.
1934              if(isset($post['subject']))
1935              {
1936                  $query = $db->simple_select("threads", "tid, closed", "closed='moved|".$this->tid."'");
1937                  if($db->num_rows($query) > 0)
1938                  {
1939                      $update_data['subject'] = $db->escape_string($post['subject']);
1940                      while($result = $db->fetch_array($query))
1941                      {
1942                          $db->update_query("threads", $update_data, "tid='".(int)$result['tid']."'");
1943                      }
1944                  }
1945              }
1946          }
1947  
1948          // Prepare array for post updating.
1949  
1950          $this->pid = $post['pid'];
1951  
1952          if(isset($post['subject']))
1953          {
1954              $this->post_update_data['subject'] = $db->escape_string($post['subject']);
1955          }
1956  
1957          if(isset($post['message']))
1958          {
1959              $this->post_update_data['message'] = $db->escape_string($post['message']);
1960          }
1961  
1962          if(isset($post['editreason']) && trim($post['editreason']) != '')
1963          {
1964              $this->post_update_data['editreason'] = $db->escape_string(trim($post['editreason']));
1965          }
1966          elseif(empty($post['editreason']))
1967          {
1968              $this->post_update_data['editreason'] = '';
1969          }
1970  
1971          if(isset($post['icon']))
1972          {
1973              $this->post_update_data['icon'] = (int)$post['icon'];
1974          }
1975  
1976          if(isset($post['options']))
1977          {
1978              if(isset($post['options']['disablesmilies']))
1979              {
1980                  $this->post_update_data['smilieoff'] = $db->escape_string($post['options']['disablesmilies']);
1981              }
1982              if(isset($post['options']['signature']))
1983              {
1984                  $this->post_update_data['includesig'] = $db->escape_string($post['options']['signature']);
1985              }
1986          }
1987  
1988          // If we need to show the edited by, let's do so.
1989          if(($mybb->settings['showeditedby'] == 1 && !is_moderator($post['fid'], "caneditposts", $post['edit_uid'])) || ($mybb->settings['showeditedbyadmin'] == 1 && is_moderator($post['fid'], "caneditposts", $post['edit_uid'])))
1990          {
1991              $this->post_update_data['edituid'] = (int)$post['edit_uid'];
1992              $this->post_update_data['edittime'] = TIME_NOW;
1993          }
1994  
1995          $plugins->run_hooks("datahandler_post_update", $this);
1996  
1997          $db->update_query("posts", $this->post_update_data, "pid='".(int)$post['pid']."'");
1998  
1999          // Automatic subscription to the thread
2000          if($post && !empty($post['options']['subscriptionmethod']) && $uid > 0)
2001          {
2002              switch($post['options']['subscriptionmethod'])
2003              {
2004                  case "pm":
2005                      $notification = 2;
2006                      break;
2007                  case "email":
2008                      $notification = 1;
2009                      break;
2010                  default:
2011                      $notification = 0;
2012              }
2013              require_once  MYBB_ROOT."inc/functions_user.php";
2014              add_subscribed_thread($post['tid'], $notification, $post['uid']);
2015          }
2016          else
2017          {
2018              $db->delete_query("threadsubscriptions", "uid='".(int)$uid."' AND tid='".(int)$post['tid']."'");
2019          }
2020  
2021          update_forum_lastpost($post['fid']);
2022          update_last_post($post['tid']);
2023  
2024          // Return the thread's first post id and whether or not it is visible.
2025          $this->return_values = array(
2026              'visible' => $visible,
2027              'first_post' => $this->first_post
2028          );
2029  
2030          $plugins->run_hooks("datahandler_post_update_end", $this);
2031  
2032          return $this->return_values;
2033      }
2034  }


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