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/phpbb/feed/ -> topic.php (source)

   1  <?php
   2  /**
   3   *
   4   * This file is part of the phpBB Forum Software package.
   5   *
   6   * @copyright (c) phpBB Limited <https://www.phpbb.com>
   7   * @license GNU General Public License, version 2 (GPL-2.0)
   8   *
   9   * For full copyright and license information, please see
  10   * the docs/CREDITS.txt file.
  11   *
  12   */
  13  
  14  namespace phpbb\feed;
  15  
  16  use phpbb\feed\exception\no_feed_exception;
  17  use phpbb\feed\exception\no_topic_exception;
  18  use phpbb\feed\exception\unauthorized_forum_exception;
  19  use phpbb\feed\exception\unauthorized_topic_exception;
  20  
  21  /**
  22   * Topic feed for a specific topic
  23   *
  24   * This will give you the last {$this->num_items} posts made within this topic.
  25   */
  26  class topic extends post_base
  27  {
  28      protected $topic_id        = 0;
  29      protected $forum_id        = 0;
  30      protected $topic_data    = array();
  31  
  32      /**
  33       * Set the Topic ID
  34       *
  35       * @param int    $topic_id            Topic ID
  36       * @return    \phpbb\feed\topic
  37       */
  38  	public function set_topic_id($topic_id)
  39      {
  40          $this->topic_id = (int) $topic_id;
  41  
  42          return $this;
  43      }
  44  
  45      /**
  46       * {@inheritdoc}
  47       */
  48  	public function open()
  49      {
  50          $sql = 'SELECT f.forum_options, f.forum_password, t.topic_id, t.forum_id, t.topic_visibility, t.topic_title, t.topic_time, t.topic_views, t.topic_posts_approved, t.topic_type
  51              FROM ' . TOPICS_TABLE . ' t
  52              LEFT JOIN ' . FORUMS_TABLE . ' f
  53                  ON (f.forum_id = t.forum_id)
  54              WHERE t.topic_id = ' . $this->topic_id;
  55          $result = $this->db->sql_query($sql);
  56          $this->topic_data = $this->db->sql_fetchrow($result);
  57          $this->db->sql_freeresult($result);
  58  
  59          if (empty($this->topic_data))
  60          {
  61              throw new no_topic_exception($this->topic_id);
  62          }
  63  
  64          $this->forum_id = (int) $this->topic_data['forum_id'];
  65  
  66          // Make sure topic is either approved or user authed
  67          if ($this->topic_data['topic_visibility'] != ITEM_APPROVED && !$this->auth->acl_get('m_approve', $this->forum_id))
  68          {
  69              if ($this->user->data['user_id'] != ANONYMOUS)
  70              {
  71                  send_status_line(403, 'Forbidden');
  72              }
  73              else
  74              {
  75                  send_status_line(401, 'Unauthorized');
  76              }
  77              throw new unauthorized_topic_exception($this->topic_id);
  78          }
  79  
  80          // Make sure forum is not excluded from feed
  81          if (phpbb_optionget(FORUM_OPTION_FEED_EXCLUDE, $this->topic_data['forum_options']))
  82          {
  83              throw new no_feed_exception();
  84          }
  85  
  86          // Make sure we can read this forum
  87          if (!$this->auth->acl_get('f_read', $this->forum_id))
  88          {
  89              if ($this->user->data['user_id'] != ANONYMOUS)
  90              {
  91                  send_status_line(403, 'Forbidden');
  92              }
  93              else
  94              {
  95                  send_status_line(401, 'Unauthorized');
  96              }
  97              throw new unauthorized_forum_exception($this->forum_id);
  98          }
  99  
 100          // Make sure forum is not passworded or user is authed
 101          if ($this->topic_data['forum_password'])
 102          {
 103              $forum_ids_passworded = $this->get_passworded_forums();
 104  
 105              if (isset($forum_ids_passworded[$this->forum_id]))
 106              {
 107                  if ($this->user->data['user_id'] != ANONYMOUS)
 108                  {
 109                      send_status_line(403, 'Forbidden');
 110                  }
 111                  else
 112                  {
 113                      send_status_line(401, 'Unauthorized');
 114                  }
 115                  throw new unauthorized_forum_exception($this->forum_id);
 116              }
 117  
 118              unset($forum_ids_passworded);
 119          }
 120  
 121          parent::open();
 122      }
 123  
 124      /**
 125       * {@inheritdoc}
 126       */
 127  	protected function get_sql()
 128      {
 129          parent::fetch_attachments();
 130  
 131          $this->sql = array(
 132              'SELECT'    =>    'p.post_id, p.post_time, p.post_edit_time, p.post_visibility, p.post_subject, p.post_text, p.bbcode_bitfield, p.bbcode_uid, p.enable_bbcode, p.enable_smilies, p.enable_magic_url, p.post_attachment, ' .
 133                  'u.username, u.user_id',
 134              'FROM'        => array(
 135                  POSTS_TABLE        => 'p',
 136                  USERS_TABLE        => 'u',
 137              ),
 138              'WHERE'        => 'p.topic_id = ' . $this->topic_id . '
 139                                  AND ' . $this->content_visibility->get_visibility_sql('post', $this->forum_id, 'p.') . '
 140                                  AND p.poster_id = u.user_id',
 141              'ORDER_BY'    => 'p.post_time DESC, p.post_id DESC',
 142          );
 143  
 144          return true;
 145      }
 146  
 147      /**
 148       * {@inheritdoc}
 149       */
 150  	public function adjust_item(&$item_row, &$row)
 151      {
 152          parent::adjust_item($item_row, $row);
 153  
 154          $item_row['forum_id'] = $this->forum_id;
 155      }
 156  
 157      /**
 158       * {@inheritdoc}
 159       */
 160  	public function get_item()
 161      {
 162          return ($row = parent::get_item()) ? array_merge($this->topic_data, $row) : $row;
 163      }
 164  }


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