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| 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 | } |