Display.php 83 KB

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  1. <?php
  2. /**
  3. * This is perhaps the most important and probably most accessed file in all
  4. * of SMF. This file controls topic, message, and attachment display.
  5. *
  6. * Simple Machines Forum (SMF)
  7. *
  8. * @package SMF
  9. * @author Simple Machines http://www.simplemachines.org
  10. * @copyright 2012 Simple Machines
  11. * @license http://www.simplemachines.org/about/smf/license.php BSD
  12. *
  13. * @version 2.1 Alpha 1
  14. */
  15. if (!defined('SMF'))
  16. die('Hacking attempt...');
  17. /**
  18. * The central part of the board - topic display.
  19. * This function loads the posts in a topic up so they can be displayed.
  20. * It supports wireless, using wap/wap2/imode and the Wireless templates.
  21. * It uses the main sub template of the Display template.
  22. * It requires a topic, and can go to the previous or next topic from it.
  23. * It jumps to the correct post depending on a number/time/IS_MSG passed.
  24. * It depends on the messages_per_page, defaultMaxMessages and enableAllMessages settings.
  25. * It is accessed by ?topic=id_topic.START.
  26. */
  27. function Display()
  28. {
  29. global $scripturl, $txt, $modSettings, $context, $settings;
  30. global $options, $sourcedir, $user_info, $board_info, $topic, $board;
  31. global $attachments, $messages_request, $topicinfo, $language, $smcFunc;
  32. // What are you gonna display if these are empty?!
  33. if (empty($topic))
  34. fatal_lang_error('no_board', false);
  35. // Load the proper template and/or sub template.
  36. if (WIRELESS)
  37. $context['sub_template'] = WIRELESS_PROTOCOL . '_display';
  38. else
  39. loadTemplate('Display');
  40. // Not only does a prefetch make things slower for the server, but it makes it impossible to know if they read it.
  41. if (isset($_SERVER['HTTP_X_MOZ']) && $_SERVER['HTTP_X_MOZ'] == 'prefetch')
  42. {
  43. ob_end_clean();
  44. header('HTTP/1.1 403 Prefetch Forbidden');
  45. die;
  46. }
  47. // How much are we sticking on each page?
  48. $context['messages_per_page'] = empty($modSettings['disableCustomPerPage']) && !empty($options['messages_per_page']) && !WIRELESS ? $options['messages_per_page'] : $modSettings['defaultMaxMessages'];
  49. // Let's do some work on what to search index.
  50. if (count($_GET) > 2)
  51. foreach ($_GET as $k => $v)
  52. {
  53. if (!in_array($k, array('topic', 'board', 'start', session_name())))
  54. $context['robot_no_index'] = true;
  55. }
  56. if (!empty($_REQUEST['start']) && (!is_numeric($_REQUEST['start']) || $_REQUEST['start'] % $context['messages_per_page'] != 0))
  57. $context['robot_no_index'] = true;
  58. // Find the previous or next topic. Make a fuss if there are no more.
  59. if (isset($_REQUEST['prev_next']) && ($_REQUEST['prev_next'] == 'prev' || $_REQUEST['prev_next'] == 'next'))
  60. {
  61. // No use in calculating the next topic if there's only one.
  62. if ($board_info['num_topics'] > 1)
  63. {
  64. // Just prepare some variables that are used in the query.
  65. $gt_lt = $_REQUEST['prev_next'] == 'prev' ? '>' : '<';
  66. $order = $_REQUEST['prev_next'] == 'prev' ? '' : ' DESC';
  67. $request = $smcFunc['db_query']('', '
  68. SELECT t2.id_topic
  69. FROM {db_prefix}topics AS t
  70. INNER JOIN {db_prefix}topics AS t2 ON (' . (empty($modSettings['enableStickyTopics']) ? '
  71. t2.id_last_msg ' . $gt_lt . ' t.id_last_msg' : '
  72. (t2.id_last_msg ' . $gt_lt . ' t.id_last_msg AND t2.is_sticky ' . $gt_lt . '= t.is_sticky) OR t2.is_sticky ' . $gt_lt . ' t.is_sticky') . ')
  73. WHERE t.id_topic = {int:current_topic}
  74. AND t2.id_board = {int:current_board}' . (!$modSettings['postmod_active'] || allowedTo('approve_posts') ? '' : '
  75. AND (t2.approved = {int:is_approved} OR (t2.id_member_started != {int:id_member_started} AND t2.id_member_started = {int:current_member}))') . '
  76. ORDER BY' . (empty($modSettings['enableStickyTopics']) ? '' : ' t2.is_sticky' . $order . ',') . ' t2.id_last_msg' . $order . '
  77. LIMIT 1',
  78. array(
  79. 'current_board' => $board,
  80. 'current_member' => $user_info['id'],
  81. 'current_topic' => $topic,
  82. 'is_approved' => 1,
  83. 'id_member_started' => 0,
  84. )
  85. );
  86. // No more left.
  87. if ($smcFunc['db_num_rows']($request) == 0)
  88. {
  89. $smcFunc['db_free_result']($request);
  90. // Roll over - if we're going prev, get the last - otherwise the first.
  91. $request = $smcFunc['db_query']('', '
  92. SELECT id_topic
  93. FROM {db_prefix}topics
  94. WHERE id_board = {int:current_board}' . (!$modSettings['postmod_active'] || allowedTo('approve_posts') ? '' : '
  95. AND (approved = {int:is_approved} OR (id_member_started != {int:id_member_started} AND id_member_started = {int:current_member}))') . '
  96. ORDER BY' . (empty($modSettings['enableStickyTopics']) ? '' : ' is_sticky' . $order . ',') . ' id_last_msg' . $order . '
  97. LIMIT 1',
  98. array(
  99. 'current_board' => $board,
  100. 'current_member' => $user_info['id'],
  101. 'is_approved' => 1,
  102. 'id_member_started' => 0,
  103. )
  104. );
  105. }
  106. // Now you can be sure $topic is the id_topic to view.
  107. list ($topic) = $smcFunc['db_fetch_row']($request);
  108. $smcFunc['db_free_result']($request);
  109. $context['current_topic'] = $topic;
  110. }
  111. // Go to the newest message on this topic.
  112. $_REQUEST['start'] = 'new';
  113. }
  114. // Add 1 to the number of views of this topic (except for robots).
  115. if (!$user_info['possibly_robot'] && (empty($_SESSION['last_read_topic']) || $_SESSION['last_read_topic'] != $topic))
  116. {
  117. $smcFunc['db_query']('', '
  118. UPDATE {db_prefix}topics
  119. SET num_views = num_views + 1
  120. WHERE id_topic = {int:current_topic}',
  121. array(
  122. 'current_topic' => $topic,
  123. )
  124. );
  125. $_SESSION['last_read_topic'] = $topic;
  126. }
  127. $topic_parameters = array(
  128. 'current_member' => $user_info['id'],
  129. 'current_topic' => $topic,
  130. 'current_board' => $board,
  131. );
  132. $topic_selects = array();
  133. $topic_tables = array();
  134. call_integration_hook('integrate_display_topic', array(&$topic_selects, &$topic_tables, &$topic_parameters));
  135. // @todo Why isn't this cached?
  136. // @todo if we get id_board in this query and cache it, we can save a query on posting
  137. // Get all the important topic info.
  138. $request = $smcFunc['db_query']('', '
  139. SELECT
  140. t.num_replies, t.num_views, t.locked, ms.subject, t.is_sticky, t.id_poll,
  141. t.id_member_started, t.id_first_msg, t.id_last_msg, t.approved, t.unapproved_posts, t.id_redirect_topic,
  142. ' . ($user_info['is_guest'] ? 't.id_last_msg + 1' : 'IFNULL(lt.id_msg, IFNULL(lmr.id_msg, -1)) + 1') . ' AS new_from
  143. ' . (!empty($modSettings['recycle_board']) && $modSettings['recycle_board'] == $board ? ', id_previous_board, id_previous_topic' : '') . '
  144. ' . (!empty($topic_selects) ? implode(',', $topic_selects) : '') . '
  145. FROM {db_prefix}topics AS t
  146. INNER JOIN {db_prefix}messages AS ms ON (ms.id_msg = t.id_first_msg)' . ($user_info['is_guest'] ? '' : '
  147. LEFT JOIN {db_prefix}log_topics AS lt ON (lt.id_topic = {int:current_topic} AND lt.id_member = {int:current_member})
  148. LEFT JOIN {db_prefix}log_mark_read AS lmr ON (lmr.id_board = {int:current_board} AND lmr.id_member = {int:current_member})') . '
  149. ' . (!empty($topic_tables) ? implode("\n\t", $topic_tables) : '') . '
  150. WHERE t.id_topic = {int:current_topic}
  151. LIMIT 1',
  152. $topic_parameters
  153. );
  154. if ($smcFunc['db_num_rows']($request) == 0)
  155. fatal_lang_error('not_a_topic', false);
  156. $topicinfo = $smcFunc['db_fetch_assoc']($request);
  157. $smcFunc['db_free_result']($request);
  158. // Is this a moved topic that we are redirecting to?
  159. if (!empty($topicinfo['id_redirect_topic']))
  160. redirectexit('topic=' . $topicinfo['id_redirect_topic'] . '.0');
  161. $context['real_num_replies'] = $context['num_replies'] = $topicinfo['num_replies'];
  162. $context['topic_first_message'] = $topicinfo['id_first_msg'];
  163. $context['topic_last_message'] = $topicinfo['id_last_msg'];
  164. // Add up unapproved replies to get real number of replies...
  165. if ($modSettings['postmod_active'] && allowedTo('approve_posts'))
  166. $context['real_num_replies'] += $topicinfo['unapproved_posts'] - ($topicinfo['approved'] ? 0 : 1);
  167. // If this topic has unapproved posts, we need to work out how many posts the user can see, for page indexing.
  168. if ($modSettings['postmod_active'] && $topicinfo['unapproved_posts'] && !$user_info['is_guest'] && !allowedTo('approve_posts'))
  169. {
  170. $request = $smcFunc['db_query']('', '
  171. SELECT COUNT(id_member) AS my_unapproved_posts
  172. FROM {db_prefix}messages
  173. WHERE id_topic = {int:current_topic}
  174. AND id_member = {int:current_member}
  175. AND approved = 0',
  176. array(
  177. 'current_topic' => $topic,
  178. 'current_member' => $user_info['id'],
  179. )
  180. );
  181. list ($myUnapprovedPosts) = $smcFunc['db_fetch_row']($request);
  182. $smcFunc['db_free_result']($request);
  183. $context['total_visible_posts'] = $context['num_replies'] + $myUnapprovedPosts + ($topicinfo['approved'] ? 1 : 0);
  184. }
  185. elseif ($user_info['is_guest'])
  186. $context['total_visible_posts'] = $context['num_replies'] + ($topicinfo['approved'] ? 1 : 0);
  187. else
  188. $context['total_visible_posts'] = $context['num_replies'] + $topicinfo['unapproved_posts'] + ($topicinfo['approved'] ? 1 : 0);
  189. // When was the last time this topic was replied to? Should we warn them about it?
  190. $request = $smcFunc['db_query']('', '
  191. SELECT poster_time
  192. FROM {db_prefix}messages
  193. WHERE id_msg = {int:id_last_msg}
  194. LIMIT 1',
  195. array(
  196. 'id_last_msg' => $topicinfo['id_last_msg'],
  197. )
  198. );
  199. list ($lastPostTime) = $smcFunc['db_fetch_row']($request);
  200. $smcFunc['db_free_result']($request);
  201. $context['oldTopicError'] = !empty($modSettings['oldTopicDays']) && $lastPostTime + $modSettings['oldTopicDays'] * 86400 < time() && empty($topicinfo['is_sticky']);
  202. // The start isn't a number; it's information about what to do, where to go.
  203. if (!is_numeric($_REQUEST['start']))
  204. {
  205. // Redirect to the page and post with new messages, originally by Omar Bazavilvazo.
  206. if ($_REQUEST['start'] == 'new')
  207. {
  208. // Guests automatically go to the last post.
  209. if ($user_info['is_guest'])
  210. {
  211. $context['start_from'] = $context['total_visible_posts'] - 1;
  212. $_REQUEST['start'] = empty($options['view_newest_first']) ? $context['start_from'] : 0;
  213. }
  214. else
  215. {
  216. // Find the earliest unread message in the topic. (the use of topics here is just for both tables.)
  217. $request = $smcFunc['db_query']('', '
  218. SELECT IFNULL(lt.id_msg, IFNULL(lmr.id_msg, -1)) + 1 AS new_from
  219. FROM {db_prefix}topics AS t
  220. LEFT JOIN {db_prefix}log_topics AS lt ON (lt.id_topic = {int:current_topic} AND lt.id_member = {int:current_member})
  221. LEFT JOIN {db_prefix}log_mark_read AS lmr ON (lmr.id_board = {int:current_board} AND lmr.id_member = {int:current_member})
  222. WHERE t.id_topic = {int:current_topic}
  223. LIMIT 1',
  224. array(
  225. 'current_board' => $board,
  226. 'current_member' => $user_info['id'],
  227. 'current_topic' => $topic,
  228. )
  229. );
  230. list ($new_from) = $smcFunc['db_fetch_row']($request);
  231. $smcFunc['db_free_result']($request);
  232. // Fall through to the next if statement.
  233. $_REQUEST['start'] = 'msg' . $new_from;
  234. }
  235. }
  236. // Start from a certain time index, not a message.
  237. if (substr($_REQUEST['start'], 0, 4) == 'from')
  238. {
  239. $timestamp = (int) substr($_REQUEST['start'], 4);
  240. if ($timestamp === 0)
  241. $_REQUEST['start'] = 0;
  242. else
  243. {
  244. // Find the number of messages posted before said time...
  245. $request = $smcFunc['db_query']('', '
  246. SELECT COUNT(*)
  247. FROM {db_prefix}messages
  248. WHERE poster_time < {int:timestamp}
  249. AND id_topic = {int:current_topic}' . ($modSettings['postmod_active'] && $topicinfo['unapproved_posts'] && !allowedTo('approve_posts') ? '
  250. AND (approved = {int:is_approved}' . ($user_info['is_guest'] ? '' : ' OR id_member = {int:current_member}') . ')' : ''),
  251. array(
  252. 'current_topic' => $topic,
  253. 'current_member' => $user_info['id'],
  254. 'is_approved' => 1,
  255. 'timestamp' => $timestamp,
  256. )
  257. );
  258. list ($context['start_from']) = $smcFunc['db_fetch_row']($request);
  259. $smcFunc['db_free_result']($request);
  260. // Handle view_newest_first options, and get the correct start value.
  261. $_REQUEST['start'] = empty($options['view_newest_first']) ? $context['start_from'] : $context['total_visible_posts'] - $context['start_from'] - 1;
  262. }
  263. }
  264. // Link to a message...
  265. elseif (substr($_REQUEST['start'], 0, 3) == 'msg')
  266. {
  267. $virtual_msg = (int) substr($_REQUEST['start'], 3);
  268. if (!$topicinfo['unapproved_posts'] && $virtual_msg >= $topicinfo['id_last_msg'])
  269. $context['start_from'] = $context['total_visible_posts'] - 1;
  270. elseif (!$topicinfo['unapproved_posts'] && $virtual_msg <= $topicinfo['id_first_msg'])
  271. $context['start_from'] = 0;
  272. else
  273. {
  274. // Find the start value for that message......
  275. $request = $smcFunc['db_query']('', '
  276. SELECT COUNT(*)
  277. FROM {db_prefix}messages
  278. WHERE id_msg < {int:virtual_msg}
  279. AND id_topic = {int:current_topic}' . ($modSettings['postmod_active'] && $topicinfo['unapproved_posts'] && !allowedTo('approve_posts') ? '
  280. AND (approved = {int:is_approved}' . ($user_info['is_guest'] ? '' : ' OR id_member = {int:current_member}') . ')' : ''),
  281. array(
  282. 'current_member' => $user_info['id'],
  283. 'current_topic' => $topic,
  284. 'virtual_msg' => $virtual_msg,
  285. 'is_approved' => 1,
  286. 'no_member' => 0,
  287. )
  288. );
  289. list ($context['start_from']) = $smcFunc['db_fetch_row']($request);
  290. $smcFunc['db_free_result']($request);
  291. }
  292. // We need to reverse the start as well in this case.
  293. $_REQUEST['start'] = empty($options['view_newest_first']) ? $context['start_from'] : $context['total_visible_posts'] - $context['start_from'] - 1;
  294. }
  295. }
  296. // Create a previous next string if the selected theme has it as a selected option.
  297. $context['previous_next'] = $modSettings['enablePreviousNext'] ? '<a href="' . $scripturl . '?topic=' . $topic . '.0;prev_next=prev#new">' . $txt['previous_next_back'] . '</a> - <a href="' . $scripturl . '?topic=' . $topic . '.0;prev_next=next#new">' . $txt['previous_next_forward'] . '</a>' : '';
  298. // Check if spellchecking is both enabled and actually working. (for quick reply.)
  299. $context['show_spellchecking'] = !empty($modSettings['enableSpellChecking']) && function_exists('pspell_new');
  300. // Do we need to show the visual verification image?
  301. $context['require_verification'] = !$user_info['is_mod'] && !$user_info['is_admin'] && !empty($modSettings['posts_require_captcha']) && ($user_info['posts'] < $modSettings['posts_require_captcha'] || ($user_info['is_guest'] && $modSettings['posts_require_captcha'] == -1));
  302. if ($context['require_verification'])
  303. {
  304. require_once($sourcedir . '/Subs-Editor.php');
  305. $verificationOptions = array(
  306. 'id' => 'post',
  307. );
  308. $context['require_verification'] = create_control_verification($verificationOptions);
  309. $context['visual_verification_id'] = $verificationOptions['id'];
  310. }
  311. // Are we showing signatures - or disabled fields?
  312. $context['signature_enabled'] = substr($modSettings['signature_settings'], 0, 1) == 1;
  313. $context['disabled_fields'] = isset($modSettings['disabled_profile_fields']) ? array_flip(explode(',', $modSettings['disabled_profile_fields'])) : array();
  314. // Censor the title...
  315. censorText($topicinfo['subject']);
  316. $context['page_title'] = $topicinfo['subject'];
  317. // Is this topic sticky, or can it even be?
  318. $topicinfo['is_sticky'] = empty($modSettings['enableStickyTopics']) ? '0' : $topicinfo['is_sticky'];
  319. // Default this topic to not marked for notifications... of course...
  320. $context['is_marked_notify'] = false;
  321. // Did we report a post to a moderator just now?
  322. $context['report_sent'] = isset($_GET['reportsent']);
  323. // Let's get nosey, who is viewing this topic?
  324. if (!empty($settings['display_who_viewing']))
  325. {
  326. // Start out with no one at all viewing it.
  327. $context['view_members'] = array();
  328. $context['view_members_list'] = array();
  329. $context['view_num_hidden'] = 0;
  330. // Search for members who have this topic set in their GET data.
  331. $request = $smcFunc['db_query']('', '
  332. SELECT
  333. lo.id_member, lo.log_time, mem.real_name, mem.member_name, mem.show_online,
  334. mg.online_color, mg.id_group, mg.group_name
  335. FROM {db_prefix}log_online AS lo
  336. LEFT JOIN {db_prefix}members AS mem ON (mem.id_member = lo.id_member)
  337. LEFT JOIN {db_prefix}membergroups AS mg ON (mg.id_group = CASE WHEN mem.id_group = {int:reg_id_group} THEN mem.id_post_group ELSE mem.id_group END)
  338. WHERE INSTR(lo.url, {string:in_url_string}) > 0 OR lo.session = {string:session}',
  339. array(
  340. 'reg_id_group' => 0,
  341. 'in_url_string' => 's:5:"topic";i:' . $topic . ';',
  342. 'session' => $user_info['is_guest'] ? 'ip' . $user_info['ip'] : session_id(),
  343. )
  344. );
  345. while ($row = $smcFunc['db_fetch_assoc']($request))
  346. {
  347. if (empty($row['id_member']))
  348. continue;
  349. if (!empty($row['online_color']))
  350. $link = '<a href="' . $scripturl . '?action=profile;u=' . $row['id_member'] . '" style="color: ' . $row['online_color'] . ';">' . $row['real_name'] . '</a>';
  351. else
  352. $link = '<a href="' . $scripturl . '?action=profile;u=' . $row['id_member'] . '">' . $row['real_name'] . '</a>';
  353. $is_buddy = in_array($row['id_member'], $user_info['buddies']);
  354. if ($is_buddy)
  355. $link = '<strong>' . $link . '</strong>';
  356. // Add them both to the list and to the more detailed list.
  357. if (!empty($row['show_online']) || allowedTo('moderate_forum'))
  358. $context['view_members_list'][$row['log_time'] . $row['member_name']] = empty($row['show_online']) ? '<em>' . $link . '</em>' : $link;
  359. $context['view_members'][$row['log_time'] . $row['member_name']] = array(
  360. 'id' => $row['id_member'],
  361. 'username' => $row['member_name'],
  362. 'name' => $row['real_name'],
  363. 'group' => $row['id_group'],
  364. 'href' => $scripturl . '?action=profile;u=' . $row['id_member'],
  365. 'link' => $link,
  366. 'is_buddy' => $is_buddy,
  367. 'hidden' => empty($row['show_online']),
  368. );
  369. if (empty($row['show_online']))
  370. $context['view_num_hidden']++;
  371. }
  372. // The number of guests is equal to the rows minus the ones we actually used ;).
  373. $context['view_num_guests'] = $smcFunc['db_num_rows']($request) - count($context['view_members']);
  374. $smcFunc['db_free_result']($request);
  375. // Sort the list.
  376. krsort($context['view_members']);
  377. krsort($context['view_members_list']);
  378. }
  379. // If all is set, but not allowed... just unset it.
  380. $can_show_all = !empty($modSettings['enableAllMessages']) && $context['total_visible_posts'] > $context['messages_per_page'] && $context['total_visible_posts'] < $modSettings['enableAllMessages'];
  381. if (isset($_REQUEST['all']) && !$can_show_all)
  382. unset($_REQUEST['all']);
  383. // Otherwise, it must be allowed... so pretend start was -1.
  384. elseif (isset($_REQUEST['all']))
  385. $_REQUEST['start'] = -1;
  386. // Construct the page index, allowing for the .START method...
  387. $context['page_index'] = constructPageIndex($scripturl . '?topic=' . $topic . '.%1$d', $_REQUEST['start'], $context['total_visible_posts'], $context['messages_per_page'], true);
  388. $context['start'] = $_REQUEST['start'];
  389. // This is information about which page is current, and which page we're on - in case you don't like the constructed page index. (again, wireles..)
  390. $context['page_info'] = array(
  391. 'current_page' => $_REQUEST['start'] / $context['messages_per_page'] + 1,
  392. 'num_pages' => floor(($context['total_visible_posts'] - 1) / $context['messages_per_page']) + 1,
  393. );
  394. // Figure out all the link to the next/prev/first/last/etc. for wireless mainly.
  395. $context['links'] = array(
  396. 'first' => $_REQUEST['start'] >= $context['messages_per_page'] ? $scripturl . '?topic=' . $topic . '.0' : '',
  397. 'prev' => $_REQUEST['start'] >= $context['messages_per_page'] ? $scripturl . '?topic=' . $topic . '.' . ($_REQUEST['start'] - $context['messages_per_page']) : '',
  398. 'next' => $_REQUEST['start'] + $context['messages_per_page'] < $context['total_visible_posts'] ? $scripturl . '?topic=' . $topic. '.' . ($_REQUEST['start'] + $context['messages_per_page']) : '',
  399. 'last' => $_REQUEST['start'] + $context['messages_per_page'] < $context['total_visible_posts'] ? $scripturl . '?topic=' . $topic. '.' . (floor($context['total_visible_posts'] / $context['messages_per_page']) * $context['messages_per_page']) : '',
  400. 'up' => $scripturl . '?board=' . $board . '.0'
  401. );
  402. // If they are viewing all the posts, show all the posts, otherwise limit the number.
  403. if ($can_show_all)
  404. {
  405. if (isset($_REQUEST['all']))
  406. {
  407. // No limit! (actually, there is a limit, but...)
  408. $context['messages_per_page'] = -1;
  409. $context['page_index'] .= empty($modSettings['compactTopicPagesEnable']) ? '<strong>' . $txt['all'] . '</strong> ' : '[<strong>' . $txt['all'] . '</strong>] ';
  410. // Set start back to 0...
  411. $_REQUEST['start'] = 0;
  412. }
  413. // They aren't using it, but the *option* is there, at least.
  414. else
  415. $context['page_index'] .= '&nbsp;<a href="' . $scripturl . '?topic=' . $topic . '.0;all">' . $txt['all'] . '</a> ';
  416. }
  417. // Build the link tree.
  418. $context['linktree'][] = array(
  419. 'url' => $scripturl . '?topic=' . $topic . '.0',
  420. 'name' => $topicinfo['subject'],
  421. );
  422. // Build a list of this board's moderators.
  423. $context['moderators'] = &$board_info['moderators'];
  424. $context['link_moderators'] = array();
  425. if (!empty($board_info['moderators']))
  426. {
  427. // Add a link for each moderator...
  428. foreach ($board_info['moderators'] as $mod)
  429. $context['link_moderators'][] = '<a href="' . $scripturl . '?action=profile;u=' . $mod['id'] . '" title="' . $txt['board_moderator'] . '">' . $mod['name'] . '</a>';
  430. // And show it after the board's name.
  431. $context['linktree'][count($context['linktree']) - 2]['extra_after'] = '<span class="board_moderators"> (' . (count($context['link_moderators']) == 1 ? $txt['moderator'] : $txt['moderators']) . ': ' . implode(', ', $context['link_moderators']) . ')</span>';
  432. }
  433. // Information about the current topic...
  434. $context['is_locked'] = $topicinfo['locked'];
  435. $context['is_sticky'] = $topicinfo['is_sticky'];
  436. $context['is_very_hot'] = $topicinfo['num_replies'] >= $modSettings['hotTopicVeryPosts'];
  437. $context['is_hot'] = $topicinfo['num_replies'] >= $modSettings['hotTopicPosts'];
  438. $context['is_approved'] = $topicinfo['approved'];
  439. // @todo Tricks? We don't want to show the poll icon in the topic class here, so pretend it's not one.
  440. $context['is_poll'] = false;
  441. determineTopicClass($context);
  442. $context['is_poll'] = $topicinfo['id_poll'] > 0 && $modSettings['pollMode'] == '1' && allowedTo('poll_view');
  443. // Did this user start the topic or not?
  444. $context['user']['started'] = $user_info['id'] == $topicinfo['id_member_started'] && !$user_info['is_guest'];
  445. $context['topic_starter_id'] = $topicinfo['id_member_started'];
  446. // Set the topic's information for the template.
  447. $context['subject'] = $topicinfo['subject'];
  448. $context['num_views'] = $topicinfo['num_views'];
  449. $context['mark_unread_time'] = !empty($virtual_msg) ? $virtual_msg : $topicinfo['new_from'];
  450. // Set a canonical URL for this page.
  451. $context['canonical_url'] = $scripturl . '?topic=' . $topic . '.' . $context['start'];
  452. // For quick reply we need a response prefix in the default forum language.
  453. if (!isset($context['response_prefix']) && !($context['response_prefix'] = cache_get_data('response_prefix', 600)))
  454. {
  455. if ($language === $user_info['language'])
  456. $context['response_prefix'] = $txt['response_prefix'];
  457. else
  458. {
  459. loadLanguage('index', $language, false);
  460. $context['response_prefix'] = $txt['response_prefix'];
  461. loadLanguage('index');
  462. }
  463. cache_put_data('response_prefix', $context['response_prefix'], 600);
  464. }
  465. // If we want to show event information in the topic, prepare the data.
  466. if (allowedTo('calendar_view') && !empty($modSettings['cal_showInTopic']) && !empty($modSettings['cal_enabled']))
  467. {
  468. // First, try create a better time format, ignoring the "time" elements.
  469. if (preg_match('~%[AaBbCcDdeGghjmuYy](?:[^%]*%[AaBbCcDdeGghjmuYy])*~', $user_info['time_format'], $matches) == 0 || empty($matches[0]))
  470. $date_string = $user_info['time_format'];
  471. else
  472. $date_string = $matches[0];
  473. // Any calendar information for this topic?
  474. $request = $smcFunc['db_query']('', '
  475. SELECT cal.id_event, cal.start_date, cal.end_date, cal.title, cal.id_member, mem.real_name
  476. FROM {db_prefix}calendar AS cal
  477. LEFT JOIN {db_prefix}members AS mem ON (mem.id_member = cal.id_member)
  478. WHERE cal.id_topic = {int:current_topic}
  479. ORDER BY start_date',
  480. array(
  481. 'current_topic' => $topic,
  482. )
  483. );
  484. $context['linked_calendar_events'] = array();
  485. while ($row = $smcFunc['db_fetch_assoc']($request))
  486. {
  487. // Prepare the dates for being formatted.
  488. $start_date = sscanf($row['start_date'], '%04d-%02d-%02d');
  489. $start_date = mktime(12, 0, 0, $start_date[1], $start_date[2], $start_date[0]);
  490. $end_date = sscanf($row['end_date'], '%04d-%02d-%02d');
  491. $end_date = mktime(12, 0, 0, $end_date[1], $end_date[2], $end_date[0]);
  492. $context['linked_calendar_events'][] = array(
  493. 'id' => $row['id_event'],
  494. 'title' => $row['title'],
  495. 'can_edit' => allowedTo('calendar_edit_any') || ($row['id_member'] == $user_info['id'] && allowedTo('calendar_edit_own')),
  496. 'modify_href' => $scripturl . '?action=post;msg=' . $topicinfo['id_first_msg'] . ';topic=' . $topic . '.0;calendar;eventid=' . $row['id_event'] . ';' . $context['session_var'] . '=' . $context['session_id'],
  497. 'can_export' => allowedTo('calendar_edit_any') || ($row['id_member'] == $user_info['id'] && allowedTo('calendar_edit_own')),
  498. 'export_href' => $scripturl . '?action=calendar;sa=ical;eventid=' . $row['id_event'] . ';' . $context['session_var'] . '=' . $context['session_id'],
  499. 'start_date' => timeformat($start_date, $date_string, 'none'),
  500. 'start_timestamp' => $start_date,
  501. 'end_date' => timeformat($end_date, $date_string, 'none'),
  502. 'end_timestamp' => $end_date,
  503. 'is_last' => false
  504. );
  505. }
  506. $smcFunc['db_free_result']($request);
  507. if (!empty($context['linked_calendar_events']))
  508. $context['linked_calendar_events'][count($context['linked_calendar_events']) - 1]['is_last'] = true;
  509. }
  510. // Create the poll info if it exists.
  511. if ($context['is_poll'])
  512. {
  513. // Get the question and if it's locked.
  514. $request = $smcFunc['db_query']('', '
  515. SELECT
  516. p.question, p.voting_locked, p.hide_results, p.expire_time, p.max_votes, p.change_vote,
  517. p.guest_vote, p.id_member, IFNULL(mem.real_name, p.poster_name) AS poster_name, p.num_guest_voters, p.reset_poll
  518. FROM {db_prefix}polls AS p
  519. LEFT JOIN {db_prefix}members AS mem ON (mem.id_member = p.id_member)
  520. WHERE p.id_poll = {int:id_poll}
  521. LIMIT 1',
  522. array(
  523. 'id_poll' => $topicinfo['id_poll'],
  524. )
  525. );
  526. $pollinfo = $smcFunc['db_fetch_assoc']($request);
  527. $smcFunc['db_free_result']($request);
  528. $request = $smcFunc['db_query']('', '
  529. SELECT COUNT(DISTINCT id_member) AS total
  530. FROM {db_prefix}log_polls
  531. WHERE id_poll = {int:id_poll}
  532. AND id_member != {int:not_guest}',
  533. array(
  534. 'id_poll' => $topicinfo['id_poll'],
  535. 'not_guest' => 0,
  536. )
  537. );
  538. list ($pollinfo['total']) = $smcFunc['db_fetch_row']($request);
  539. $smcFunc['db_free_result']($request);
  540. // Total voters needs to include guest voters
  541. $pollinfo['total'] += $pollinfo['num_guest_voters'];
  542. // Get all the options, and calculate the total votes.
  543. $request = $smcFunc['db_query']('', '
  544. SELECT pc.id_choice, pc.label, pc.votes, IFNULL(lp.id_choice, -1) AS voted_this
  545. FROM {db_prefix}poll_choices AS pc
  546. LEFT JOIN {db_prefix}log_polls AS lp ON (lp.id_choice = pc.id_choice AND lp.id_poll = {int:id_poll} AND lp.id_member = {int:current_member} AND lp.id_member != {int:not_guest})
  547. WHERE pc.id_poll = {int:id_poll}',
  548. array(
  549. 'current_member' => $user_info['id'],
  550. 'id_poll' => $topicinfo['id_poll'],
  551. 'not_guest' => 0,
  552. )
  553. );
  554. $pollOptions = array();
  555. $realtotal = 0;
  556. $pollinfo['has_voted'] = false;
  557. while ($row = $smcFunc['db_fetch_assoc']($request))
  558. {
  559. censorText($row['label']);
  560. $pollOptions[$row['id_choice']] = $row;
  561. $realtotal += $row['votes'];
  562. $pollinfo['has_voted'] |= $row['voted_this'] != -1;
  563. }
  564. $smcFunc['db_free_result']($request);
  565. // If this is a guest we need to do our best to work out if they have voted, and what they voted for.
  566. if ($user_info['is_guest'] && $pollinfo['guest_vote'] && allowedTo('poll_vote'))
  567. {
  568. if (!empty($_COOKIE['guest_poll_vote']) && preg_match('~^[0-9,;]+$~', $_COOKIE['guest_poll_vote']) && strpos($_COOKIE['guest_poll_vote'], ';' . $topicinfo['id_poll'] . ',') !== false)
  569. {
  570. // ;id,timestamp,[vote,vote...]; etc
  571. $guestinfo = explode(';', $_COOKIE['guest_poll_vote']);
  572. // Find the poll we're after.
  573. foreach ($guestinfo as $i => $guestvoted)
  574. {
  575. $guestvoted = explode(',', $guestvoted);
  576. if ($guestvoted[0] == $topicinfo['id_poll'])
  577. break;
  578. }
  579. // Has the poll been reset since guest voted?
  580. if ($pollinfo['reset_poll'] > $guestvoted[1])
  581. {
  582. // Remove the poll info from the cookie to allow guest to vote again
  583. unset($guestinfo[$i]);
  584. if (!empty($guestinfo))
  585. $_COOKIE['guest_poll_vote'] = ';' . implode(';', $guestinfo);
  586. else
  587. unset($_COOKIE['guest_poll_vote']);
  588. }
  589. else
  590. {
  591. // What did they vote for?
  592. unset($guestvoted[0], $guestvoted[1]);
  593. foreach ($pollOptions as $choice => $details)
  594. {
  595. $pollOptions[$choice]['voted_this'] = in_array($choice, $guestvoted) ? 1 : -1;
  596. $pollinfo['has_voted'] |= $pollOptions[$choice]['voted_this'] != -1;
  597. }
  598. unset($choice, $details, $guestvoted);
  599. }
  600. unset($guestinfo, $guestvoted, $i);
  601. }
  602. }
  603. // Set up the basic poll information.
  604. $context['poll'] = array(
  605. 'id' => $topicinfo['id_poll'],
  606. 'image' => 'normal_' . (empty($pollinfo['voting_locked']) ? 'poll' : 'locked_poll'),
  607. 'question' => parse_bbc($pollinfo['question']),
  608. 'total_votes' => $pollinfo['total'],
  609. 'change_vote' => !empty($pollinfo['change_vote']),
  610. 'is_locked' => !empty($pollinfo['voting_locked']),
  611. 'options' => array(),
  612. 'lock' => allowedTo('poll_lock_any') || ($context['user']['started'] && allowedTo('poll_lock_own')),
  613. 'edit' => allowedTo('poll_edit_any') || ($context['user']['started'] && allowedTo('poll_edit_own')),
  614. 'allowed_warning' => $pollinfo['max_votes'] > 1 ? sprintf($txt['poll_options6'], min(count($pollOptions), $pollinfo['max_votes'])) : '',
  615. 'is_expired' => !empty($pollinfo['expire_time']) && $pollinfo['expire_time'] < time(),
  616. 'expire_time' => !empty($pollinfo['expire_time']) ? timeformat($pollinfo['expire_time']) : 0,
  617. 'has_voted' => !empty($pollinfo['has_voted']),
  618. 'starter' => array(
  619. 'id' => $pollinfo['id_member'],
  620. 'name' => $row['poster_name'],
  621. 'href' => $pollinfo['id_member'] == 0 ? '' : $scripturl . '?action=profile;u=' . $pollinfo['id_member'],
  622. 'link' => $pollinfo['id_member'] == 0 ? $row['poster_name'] : '<a href="' . $scripturl . '?action=profile;u=' . $pollinfo['id_member'] . '">' . $row['poster_name'] . '</a>'
  623. )
  624. );
  625. // Make the lock and edit permissions defined above more directly accessible.
  626. $context['allow_lock_poll'] = $context['poll']['lock'];
  627. $context['allow_edit_poll'] = $context['poll']['edit'];
  628. // You're allowed to vote if:
  629. // 1. the poll did not expire, and
  630. // 2. you're either not a guest OR guest voting is enabled... and
  631. // 3. you're not trying to view the results, and
  632. // 4. the poll is not locked, and
  633. // 5. you have the proper permissions, and
  634. // 6. you haven't already voted before.
  635. $context['allow_vote'] = !$context['poll']['is_expired'] && (!$user_info['is_guest'] || ($pollinfo['guest_vote'] && allowedTo('poll_vote'))) && empty($pollinfo['voting_locked']) && allowedTo('poll_vote') && !$context['poll']['has_voted'];
  636. // You're allowed to view the results if:
  637. // 1. you're just a super-nice-guy, or
  638. // 2. anyone can see them (hide_results == 0), or
  639. // 3. you can see them after you voted (hide_results == 1), or
  640. // 4. you've waited long enough for the poll to expire. (whether hide_results is 1 or 2.)
  641. $context['allow_poll_view'] = allowedTo('moderate_board') || $pollinfo['hide_results'] == 0 || ($pollinfo['hide_results'] == 1 && $context['poll']['has_voted']) || $context['poll']['is_expired'];
  642. $context['poll']['show_results'] = $context['allow_poll_view'] && (isset($_REQUEST['viewresults']) || isset($_REQUEST['viewResults']));
  643. $context['show_view_results_button'] = $context['allow_vote'] && (!$context['allow_poll_view'] || !$context['poll']['show_results'] || !$context['poll']['has_voted']);
  644. // You're allowed to change your vote if:
  645. // 1. the poll did not expire, and
  646. // 2. you're not a guest... and
  647. // 3. the poll is not locked, and
  648. // 4. you have the proper permissions, and
  649. // 5. you have already voted, and
  650. // 6. the poll creator has said you can!
  651. $context['allow_change_vote'] = !$context['poll']['is_expired'] && !$user_info['is_guest'] && empty($pollinfo['voting_locked']) && allowedTo('poll_vote') && $context['poll']['has_voted'] && $context['poll']['change_vote'];
  652. // You're allowed to return to voting options if:
  653. // 1. you are (still) allowed to vote.
  654. // 2. you are currently seeing the results.
  655. $context['allow_return_vote'] = $context['allow_vote'] && $context['poll']['show_results'];
  656. // Calculate the percentages and bar lengths...
  657. $divisor = $realtotal == 0 ? 1 : $realtotal;
  658. // Determine if a decimal point is needed in order for the options to add to 100%.
  659. $precision = $realtotal == 100 ? 0 : 1;
  660. // Now look through each option, and...
  661. foreach ($pollOptions as $i => $option)
  662. {
  663. // First calculate the percentage, and then the width of the bar...
  664. $bar = round(($option['votes'] * 100) / $divisor, $precision);
  665. $barWide = $bar == 0 ? 1 : floor(($bar * 8) / 3);
  666. // Now add it to the poll's contextual theme data.
  667. $context['poll']['options'][$i] = array(
  668. 'id' => 'options-' . $i,
  669. 'percent' => $bar,
  670. 'votes' => $option['votes'],
  671. 'voted_this' => $option['voted_this'] != -1,
  672. 'bar' => '<span style="white-space: nowrap;"><img src="' . $settings['images_url'] . '/poll_' . ($context['right_to_left'] ? 'right' : 'left') . '.png" alt="" /><img src="' . $settings['images_url'] . '/poll_middle.png" width="' . $barWide . '" height="12" alt="-" /><img src="' . $settings['images_url'] . '/poll_' . ($context['right_to_left'] ? 'left' : 'right') . '.png" alt="" /></span>',
  673. // Note: IE < 8 requires us to set a width on the container, too.
  674. 'bar_ndt' => $bar > 0 ? '<div class="bar" style="width: ' . ($bar * 3.5 + 4) . 'px;"><div style="width: ' . $bar * 3.5 . 'px;"></div></div>' : '',
  675. 'bar_width' => $barWide,
  676. 'option' => parse_bbc($option['label']),
  677. 'vote_button' => '<input type="' . ($pollinfo['max_votes'] > 1 ? 'checkbox' : 'radio') . '" name="options[]" id="options-' . $i . '" value="' . $i . '" class="input_' . ($pollinfo['max_votes'] > 1 ? 'check' : 'radio') . '" />'
  678. );
  679. }
  680. // Build the poll moderation button array.
  681. $context['poll_buttons'] = array(
  682. 'vote' => array('test' => 'allow_return_vote', 'text' => 'poll_return_vote', 'image' => 'poll_options.png', 'lang' => true, 'url' => $scripturl . '?topic=' . $context['current_topic'] . '.' . $context['start']),
  683. 'results' => array('test' => 'show_view_results_button', 'text' => 'poll_results', 'image' => 'poll_results.png', 'lang' => true, 'url' => $scripturl . '?topic=' . $context['current_topic'] . '.' . $context['start'] . ';viewresults'),
  684. 'change_vote' => array('test' => 'allow_change_vote', 'text' => 'poll_change_vote', 'image' => 'poll_change_vote.png', 'lang' => true, 'url' => $scripturl . '?action=vote;topic=' . $context['current_topic'] . '.' . $context['start'] . ';poll=' . $context['poll']['id'] . ';' . $context['session_var'] . '=' . $context['session_id']),
  685. 'lock' => array('test' => 'allow_lock_poll', 'text' => (!$context['poll']['is_locked'] ? 'poll_lock' : 'poll_unlock'), 'image' => 'poll_lock.png', 'lang' => true, 'url' => $scripturl . '?action=lockvoting;topic=' . $context['current_topic'] . '.' . $context['start'] . ';' . $context['session_var'] . '=' . $context['session_id']),
  686. 'edit' => array('test' => 'allow_edit_poll', 'text' => 'poll_edit', 'image' => 'poll_edit.png', 'lang' => true, 'url' => $scripturl . '?action=editpoll;topic=' . $context['current_topic'] . '.' . $context['start']),
  687. 'remove_poll' => array('test' => 'can_remove_poll', 'text' => 'poll_remove', 'image' => 'admin_remove_poll.png', 'lang' => true, 'custom' => 'onclick="return confirm(\'' . $txt['poll_remove_warn'] . '\');"', 'url' => $scripturl . '?action=removepoll;topic=' . $context['current_topic'] . '.' . $context['start'] . ';' . $context['session_var'] . '=' . $context['session_id']),
  688. );
  689. // Allow mods to add additional buttons here
  690. call_integration_hook('integrate_poll_buttons');
  691. }
  692. // Calculate the fastest way to get the messages!
  693. $ascending = empty($options['view_newest_first']);
  694. $start = $_REQUEST['start'];
  695. $limit = $context['messages_per_page'];
  696. $firstIndex = 0;
  697. if ($start >= $context['total_visible_posts'] / 2 && $context['messages_per_page'] != -1)
  698. {
  699. $ascending = !$ascending;
  700. $limit = $context['total_visible_posts'] <= $start + $limit ? $context['total_visible_posts'] - $start : $limit;
  701. $start = $context['total_visible_posts'] <= $start + $limit ? 0 : $context['total_visible_posts'] - $start - $limit;
  702. $firstIndex = $limit - 1;
  703. }
  704. // Get each post and poster in this topic.
  705. $request = $smcFunc['db_query']('display_get_post_poster', '
  706. SELECT id_msg, id_member, approved
  707. FROM {db_prefix}messages
  708. WHERE id_topic = {int:current_topic}' . (!$modSettings['postmod_active'] || allowedTo('approve_posts') ? '' : (!empty($modSettings['db_mysql_group_by_fix']) ? '' : '
  709. GROUP BY id_msg') . '
  710. HAVING (approved = {int:is_approved}' . ($user_info['is_guest'] ? '' : ' OR id_member = {int:current_member}') . ')') . '
  711. ORDER BY id_msg ' . ($ascending ? '' : 'DESC') . ($context['messages_per_page'] == -1 ? '' : '
  712. LIMIT ' . $start . ', ' . $limit),
  713. array(
  714. 'current_member' => $user_info['id'],
  715. 'current_topic' => $topic,
  716. 'is_approved' => 1,
  717. 'blank_id_member' => 0,
  718. )
  719. );
  720. $messages = array();
  721. $all_posters = array();
  722. while ($row = $smcFunc['db_fetch_assoc']($request))
  723. {
  724. if (!empty($row['id_member']))
  725. $all_posters[$row['id_msg']] = $row['id_member'];
  726. $messages[] = $row['id_msg'];
  727. }
  728. $smcFunc['db_free_result']($request);
  729. $posters = array_unique($all_posters);
  730. call_integration_hook('integrate_display_message_list', array($messages, $posters));
  731. // Guests can't mark topics read or for notifications, just can't sorry.
  732. if (!$user_info['is_guest'] && !empty($messages))
  733. {
  734. $mark_at_msg = max($messages);
  735. if ($mark_at_msg >= $topicinfo['id_last_msg'])
  736. $mark_at_msg = $modSettings['maxMsgID'];
  737. if ($mark_at_msg >= $topicinfo['new_from'])
  738. {
  739. $smcFunc['db_insert']($topicinfo['new_from'] == 0 ? 'ignore' : 'replace',
  740. '{db_prefix}log_topics',
  741. array(
  742. 'id_member' => 'int', 'id_topic' => 'int', 'id_msg' => 'int',
  743. ),
  744. array(
  745. $user_info['id'], $topic, $mark_at_msg,
  746. ),
  747. array('id_member', 'id_topic')
  748. );
  749. }
  750. // Check for notifications on this topic OR board.
  751. $request = $smcFunc['db_query']('', '
  752. SELECT sent, id_topic
  753. FROM {db_prefix}log_notify
  754. WHERE (id_topic = {int:current_topic} OR id_board = {int:current_board})
  755. AND id_member = {int:current_member}
  756. LIMIT 2',
  757. array(
  758. 'current_board' => $board,
  759. 'current_member' => $user_info['id'],
  760. 'current_topic' => $topic,
  761. )
  762. );
  763. $do_once = true;
  764. while ($row = $smcFunc['db_fetch_assoc']($request))
  765. {
  766. // Find if this topic is marked for notification...
  767. if (!empty($row['id_topic']))
  768. $context['is_marked_notify'] = true;
  769. // Only do this once, but mark the notifications as "not sent yet" for next time.
  770. if (!empty($row['sent']) && $do_once)
  771. {
  772. $smcFunc['db_query']('', '
  773. UPDATE {db_prefix}log_notify
  774. SET sent = {int:is_not_sent}
  775. WHERE (id_topic = {int:current_topic} OR id_board = {int:current_board})
  776. AND id_member = {int:current_member}',
  777. array(
  778. 'current_board' => $board,
  779. 'current_member' => $user_info['id'],
  780. 'current_topic' => $topic,
  781. 'is_not_sent' => 0,
  782. )
  783. );
  784. $do_once = false;
  785. }
  786. }
  787. // Have we recently cached the number of new topics in this board, and it's still a lot?
  788. if (isset($_REQUEST['topicseen']) && isset($_SESSION['topicseen_cache'][$board]) && $_SESSION['topicseen_cache'][$board] > 5)
  789. $_SESSION['topicseen_cache'][$board]--;
  790. // Mark board as seen if this is the only new topic.
  791. elseif (isset($_REQUEST['topicseen']))
  792. {
  793. // Use the mark read tables... and the last visit to figure out if this should be read or not.
  794. $request = $smcFunc['db_query']('', '
  795. SELECT COUNT(*)
  796. FROM {db_prefix}topics AS t
  797. LEFT JOIN {db_prefix}log_boards AS lb ON (lb.id_board = {int:current_board} AND lb.id_member = {int:current_member})
  798. LEFT JOIN {db_prefix}log_topics AS lt ON (lt.id_topic = t.id_topic AND lt.id_member = {int:current_member})
  799. WHERE t.id_board = {int:current_board}
  800. AND t.id_last_msg > IFNULL(lb.id_msg, 0)
  801. AND t.id_last_msg > IFNULL(lt.id_msg, 0)' . (empty($_SESSION['id_msg_last_visit']) ? '' : '
  802. AND t.id_last_msg > {int:id_msg_last_visit}'),
  803. array(
  804. 'current_board' => $board,
  805. 'current_member' => $user_info['id'],
  806. 'id_msg_last_visit' => (int) $_SESSION['id_msg_last_visit'],
  807. )
  808. );
  809. list ($numNewTopics) = $smcFunc['db_fetch_row']($request);
  810. $smcFunc['db_free_result']($request);
  811. // If there're no real new topics in this board, mark the board as seen.
  812. if (empty($numNewTopics))
  813. $_REQUEST['boardseen'] = true;
  814. else
  815. $_SESSION['topicseen_cache'][$board] = $numNewTopics;
  816. }
  817. // Probably one less topic - maybe not, but even if we decrease this too fast it will only make us look more often.
  818. elseif (isset($_SESSION['topicseen_cache'][$board]))
  819. $_SESSION['topicseen_cache'][$board]--;
  820. // Mark board as seen if we came using last post link from BoardIndex. (or other places...)
  821. if (isset($_REQUEST['boardseen']))
  822. {
  823. $smcFunc['db_insert']('replace',
  824. '{db_prefix}log_boards',
  825. array('id_msg' => 'int', 'id_member' => 'int', 'id_board' => 'int'),
  826. array($modSettings['maxMsgID'], $user_info['id'], $board),
  827. array('id_member', 'id_board')
  828. );
  829. }
  830. }
  831. $attachments = array();
  832. // If there _are_ messages here... (probably an error otherwise :!)
  833. if (!empty($messages))
  834. {
  835. // Fetch attachments.
  836. if (!empty($modSettings['attachmentEnable']) && allowedTo('view_attachments'))
  837. {
  838. $request = $smcFunc['db_query']('', '
  839. SELECT
  840. a.id_attach, a.id_folder, a.id_msg, a.filename, a.file_hash, IFNULL(a.size, 0) AS filesize, a.downloads, a.approved,
  841. a.width, a.height' . (empty($modSettings['attachmentShowImages']) || empty($modSettings['attachmentThumbnails']) ? '' : ',
  842. IFNULL(thumb.id_attach, 0) AS id_thumb, thumb.width AS thumb_width, thumb.height AS thumb_height') . '
  843. FROM {db_prefix}attachments AS a' . (empty($modSettings['attachmentShowImages']) || empty($modSettings['attachmentThumbnails']) ? '' : '
  844. LEFT JOIN {db_prefix}attachments AS thumb ON (thumb.id_attach = a.id_thumb)') . '
  845. WHERE a.id_msg IN ({array_int:message_list})
  846. AND a.attachment_type = {int:attachment_type}',
  847. array(
  848. 'message_list' => $messages,
  849. 'attachment_type' => 0,
  850. 'is_approved' => 1,
  851. )
  852. );
  853. $temp = array();
  854. while ($row = $smcFunc['db_fetch_assoc']($request))
  855. {
  856. if (!$row['approved'] && $modSettings['postmod_active'] && !allowedTo('approve_posts') && (!isset($all_posters[$row['id_msg']]) || $all_posters[$row['id_msg']] != $user_info['id']))
  857. continue;
  858. $temp[$row['id_attach']] = $row;
  859. if (!isset($attachments[$row['id_msg']]))
  860. $attachments[$row['id_msg']] = array();
  861. }
  862. $smcFunc['db_free_result']($request);
  863. // This is better than sorting it with the query...
  864. ksort($temp);
  865. foreach ($temp as $row)
  866. $attachments[$row['id_msg']][] = $row;
  867. }
  868. $msg_parameters = array(
  869. 'message_list' => $messages,
  870. 'new_from' => $topicinfo['new_from'],
  871. );
  872. $msg_selects = array();
  873. $msg_tables = array();
  874. call_integration_hook('integrate_query_message', array(&$msg_selects, &$msg_tables, &$msg_parameters));
  875. // What? It's not like it *couldn't* be only guests in this topic...
  876. if (!empty($posters))
  877. loadMemberData($posters);
  878. $messages_request = $smcFunc['db_query']('', '
  879. SELECT
  880. id_msg, icon, subject, poster_time, poster_ip, id_member, modified_time, modified_name, body,
  881. smileys_enabled, poster_name, poster_email, approved,
  882. id_msg_modified < {int:new_from} AS is_read
  883. ' . (!empty($msg_selects) ? implode(',', $msg_selects) : '') . '
  884. FROM {db_prefix}messages
  885. ' . (!empty($msg_tables) ? implode("\n\t", $msg_tables) : '') . '
  886. WHERE id_msg IN ({array_int:message_list})
  887. ORDER BY id_msg' . (empty($options['view_newest_first']) ? '' : ' DESC'),
  888. $msg_parameters
  889. );
  890. // Go to the last message if the given time is beyond the time of the last message.
  891. if (isset($context['start_from']) && $context['start_from'] >= $topicinfo['num_replies'])
  892. $context['start_from'] = $topicinfo['num_replies'];
  893. // Since the anchor information is needed on the top of the page we load these variables beforehand.
  894. $context['first_message'] = isset($messages[$firstIndex]) ? $messages[$firstIndex] : $messages[0];
  895. if (empty($options['view_newest_first']))
  896. $context['first_new_message'] = isset($context['start_from']) && $_REQUEST['start'] == $context['start_from'];
  897. else
  898. $context['first_new_message'] = isset($context['start_from']) && $_REQUEST['start'] == $topicinfo['num_replies'] - $context['start_from'];
  899. }
  900. else
  901. {
  902. $messages_request = false;
  903. $context['first_message'] = 0;
  904. $context['first_new_message'] = false;
  905. }
  906. $context['jump_to'] = array(
  907. 'label' => addslashes(un_htmlspecialchars($txt['jump_to'])),
  908. 'board_name' => htmlspecialchars(strtr(strip_tags($board_info['name']), array('&amp;' => '&'))),
  909. 'child_level' => $board_info['child_level'],
  910. );
  911. // Set the callback. (do you REALIZE how much memory all the messages would take?!?)
  912. // This will be called from the template.
  913. $context['get_message'] = 'prepareDisplayContext';
  914. // Now set all the wonderful, wonderful permissions... like moderation ones...
  915. $common_permissions = array(
  916. 'can_approve' => 'approve_posts',
  917. 'can_ban' => 'manage_bans',
  918. 'can_sticky' => 'make_sticky',
  919. 'can_merge' => 'merge_any',
  920. 'can_split' => 'split_any',
  921. 'calendar_post' => 'calendar_post',
  922. 'can_mark_notify' => 'mark_any_notify',
  923. 'can_send_topic' => 'send_topic',
  924. 'can_send_pm' => 'pm_send',
  925. 'can_send_email' => 'send_email_to_members',
  926. 'can_report_moderator' => 'report_any',
  927. 'can_moderate_forum' => 'moderate_forum',
  928. 'can_issue_warning' => 'issue_warning',
  929. 'can_restore_topic' => 'move_any',
  930. 'can_restore_msg' => 'move_any',
  931. );
  932. foreach ($common_permissions as $contextual => $perm)
  933. $context[$contextual] = allowedTo($perm);
  934. // Permissions with _any/_own versions. $context[YYY] => ZZZ_any/_own.
  935. $anyown_permissions = array(
  936. 'can_move' => 'move',
  937. 'can_lock' => 'lock',
  938. 'can_delete' => 'remove',
  939. 'can_add_poll' => 'poll_add',
  940. 'can_remove_poll' => 'poll_remove',
  941. 'can_reply' => 'post_reply',
  942. 'can_reply_unapproved' => 'post_unapproved_replies',
  943. );
  944. foreach ($anyown_permissions as $contextual => $perm)
  945. $context[$contextual] = allowedTo($perm . '_any') || ($context['user']['started'] && allowedTo($perm . '_own'));
  946. // Cleanup all the permissions with extra stuff...
  947. $context['can_mark_notify'] &= !$context['user']['is_guest'];
  948. $context['can_sticky'] &= !empty($modSettings['enableStickyTopics']);
  949. $context['calendar_post'] &= !empty($modSettings['cal_enabled']);
  950. $context['can_add_poll'] &= $modSettings['pollMode'] == '1' && $topicinfo['id_poll'] <= 0;
  951. $context['can_remove_poll'] &= $modSettings['pollMode'] == '1' && $topicinfo['id_poll'] > 0;
  952. $context['can_reply'] &= empty($topicinfo['locked']) || allowedTo('moderate_board');
  953. $context['can_reply_unapproved'] &= $modSettings['postmod_active'] && (empty($topicinfo['locked']) || allowedTo('moderate_board'));
  954. $context['can_issue_warning'] &= in_array('w', $context['admin_features']) && $modSettings['warning_settings'][0] == 1;
  955. // Handle approval flags...
  956. $context['can_reply_approved'] = $context['can_reply'];
  957. $context['can_reply'] |= $context['can_reply_unapproved'];
  958. $context['can_quote'] = $context['can_reply'] && (empty($modSettings['disabledBBC']) || !in_array('quote', explode(',', $modSettings['disabledBBC'])));
  959. $context['can_mark_unread'] = !$user_info['is_guest'] && $settings['show_mark_read'];
  960. $context['can_send_topic'] = (!$modSettings['postmod_active'] || $topicinfo['approved']) && allowedTo('send_topic');
  961. $context['can_print'] = empty($modSettings['disable_print_topic']);
  962. // Start this off for quick moderation - it will be or'd for each post.
  963. $context['can_remove_post'] = allowedTo('delete_any') || (allowedTo('delete_replies') && $context['user']['started']);
  964. // Can restore topic? That's if the topic is in the recycle board and has a previous restore state.
  965. $context['can_restore_topic'] &= !empty($modSettings['recycle_enable']) && $modSettings['recycle_board'] == $board && !empty($topicinfo['id_previous_board']);
  966. $context['can_restore_msg'] &= !empty($modSettings['recycle_enable']) && $modSettings['recycle_board'] == $board && !empty($topicinfo['id_previous_topic']);
  967. // Check if the draft functions are enabled and that they have permission to use them (for quick reply.)
  968. $context['drafts_save'] = !empty($modSettings['drafts_enabled']) && !empty($modSettings['drafts_post_enabled']) && allowedTo('post_draft') && $context['can_reply'];
  969. $context['drafts_autosave'] = !empty($context['drafts_save']) && !empty($modSettings['drafts_autosave_enabled']) && allowedTo('post_autosave_draft');
  970. if (!empty($context['drafts_save']))
  971. loadLanguage('Drafts');
  972. // Wireless shows a "more" if you can do anything special.
  973. if (WIRELESS && WIRELESS_PROTOCOL != 'wap')
  974. {
  975. $context['wireless_more'] = $context['can_sticky'] || $context['can_lock'] || allowedTo('modify_any');
  976. $context['wireless_moderate'] = isset($_GET['moderate']) ? ';moderate' : '';
  977. }
  978. // Load up the "double post" sequencing magic.
  979. if (!empty($options['display_quick_reply']))
  980. {
  981. checkSubmitOnce('register');
  982. $context['name'] = isset($_SESSION['guest_name']) ? $_SESSION['guest_name'] : '';
  983. $context['email'] = isset($_SESSION['guest_email']) ? $_SESSION['guest_email'] : '';
  984. if (!empty($options['use_editor_quick_reply']) && $context['can_reply'])
  985. {
  986. // Needed for the editor and message icons.
  987. require_once($sourcedir . '/Subs-Editor.php');
  988. // Now create the editor.
  989. $editorOptions = array(
  990. 'id' => 'message',
  991. 'value' => '',
  992. 'labels' => array(
  993. 'post_button' => $txt['post'],
  994. ),
  995. // add height and width for the editor
  996. 'height' => '175px',
  997. 'width' => '100%',
  998. // We do XML preview here.
  999. 'preview_type' => 0,
  1000. );
  1001. create_control_richedit($editorOptions);
  1002. // Store the ID.
  1003. $context['post_box_name'] = $editorOptions['id'];
  1004. $context['attached'] = '';
  1005. $context['make_poll'] = isset($_REQUEST['poll']);
  1006. // Message icons - customized icons are off?
  1007. $context['icons'] = getMessageIcons($board);
  1008. if (!empty($context['icons']))
  1009. $context['icons'][count($context['icons']) - 1]['is_last'] = true;
  1010. }
  1011. }
  1012. // Build the normal button array.
  1013. $context['normal_buttons'] = array(
  1014. 'reply' => array('test' => 'can_reply', 'text' => 'reply', 'image' => 'reply.png', 'lang' => true, 'url' => $scripturl . '?action=post;topic=' . $context['current_topic'] . '.' . $context['start'] . ';last_msg=' . $context['topic_last_message'], 'active' => true),
  1015. 'add_poll' => array('test' => 'can_add_poll', 'text' => 'add_poll', 'image' => 'add_poll.png', 'lang' => true, 'url' => $scripturl . '?action=editpoll;add;topic=' . $context['current_topic'] . '.' . $context['start']),
  1016. 'notify' => array('test' => 'can_mark_notify', 'text' => $context['is_marked_notify'] ? 'unnotify' : 'notify', 'image' => ($context['is_marked_notify'] ? 'un' : '') . 'notify.png', 'lang' => true, 'custom' => 'onclick="return confirm(\'' . ($context['is_marked_notify'] ? $txt['notification_disable_topic'] : $txt['notification_enable_topic']) . '\');"', 'url' => $scripturl . '?action=notify;sa=' . ($context['is_marked_notify'] ? 'off' : 'on') . ';topic=' . $context['current_topic'] . '.' . $context['start'] . ';' . $context['session_var'] . '=' . $context['session_id']),
  1017. 'mark_unread' => array('test' => 'can_mark_unread', 'text' => 'mark_unread', 'image' => 'markunread.png', 'lang' => true, 'url' => $scripturl . '?action=markasread;sa=topic;t=' . $context['mark_unread_time'] . ';topic=' . $context['current_topic'] . '.' . $context['start'] . ';' . $context['session_var'] . '=' . $context['session_id']),
  1018. 'send' => array('test' => 'can_send_topic', 'text' => 'send_topic', 'image' => 'sendtopic.png', 'lang' => true, 'url' => $scripturl . '?action=emailuser;sa=sendtopic;topic=' . $context['current_topic'] . '.0'),
  1019. 'print' => array('test' => 'can_print', 'text' => 'print', 'image' => 'print.png', 'lang' => true, 'custom' => 'rel="new_win nofollow"', 'url' => $scripturl . '?action=printpage;topic=' . $context['current_topic'] . '.0'),
  1020. );
  1021. // Build the mod button array
  1022. $context['mod_buttons'] = array(
  1023. 'move' => array('test' => 'can_move', 'text' => 'move_topic', 'image' => 'admin_move.png', 'lang' => true, 'url' => $scripturl . '?action=movetopic;current_board=' . $context['current_board'] . ';topic=' . $context['current_topic'] . '.0'),
  1024. 'delete' => array('test' => 'can_delete', 'text' => 'remove_topic', 'image' => 'admin_rem.png', 'lang' => true, 'custom' => 'onclick="return confirm(\'' . $txt['are_sure_remove_topic'] . '\');"', 'url' => $scripturl . '?action=removetopic2;topic=' . $context['current_topic'] . '.0;' . $context['session_var'] . '=' . $context['session_id']),
  1025. 'lock' => array('test' => 'can_lock', 'text' => empty($context['is_locked']) ? 'set_lock' : 'set_unlock', 'image' => 'admin_lock.png', 'lang' => true, 'url' => $scripturl . '?action=lock;topic=' . $context['current_topic'] . '.' . $context['start'] . ';' . $context['session_var'] . '=' . $context['session_id']),
  1026. 'sticky' => array('test' => 'can_sticky', 'text' => empty($context['is_sticky']) ? 'set_sticky' : 'set_nonsticky', 'image' => 'admin_sticky.png', 'lang' => true, 'url' => $scripturl . '?action=sticky;topic=' . $context['current_topic'] . '.' . $context['start'] . ';' . $context['session_var'] . '=' . $context['session_id']),
  1027. 'merge' => array('test' => 'can_merge', 'text' => 'merge', 'image' => 'merge.png', 'lang' => true, 'url' => $scripturl . '?action=mergetopics;board=' . $context['current_board'] . '.0;from=' . $context['current_topic']),
  1028. 'calendar' => array('test' => 'calendar_post', 'text' => 'calendar_link', 'image' => 'linktocal.png', 'lang' => true, 'url' => $scripturl . '?action=post;calendar;msg=' . $context['topic_first_message'] . ';topic=' . $context['current_topic'] . '.0'),
  1029. );
  1030. // Restore topic. eh? No monkey business.
  1031. if ($context['can_restore_topic'])
  1032. $context['mod_buttons'][] = array('text' => 'restore_topic', 'image' => '', 'lang' => true, 'url' => $scripturl . '?action=restoretopic;topics=' . $context['current_topic'] . ';' . $context['session_var'] . '=' . $context['session_id']);
  1033. // Allow adding new mod buttons easily.
  1034. call_integration_hook('integrate_display_buttons');
  1035. }
  1036. /**
  1037. * Callback for the message display.
  1038. * It actually gets and prepares the message context.
  1039. * This function will start over from the beginning if reset is set to true, which is
  1040. * useful for showing an index before or after the posts.
  1041. * @param bool $reset, default false.
  1042. */
  1043. function prepareDisplayContext($reset = false)
  1044. {
  1045. global $settings, $txt, $modSettings, $scripturl, $options, $user_info, $smcFunc;
  1046. global $memberContext, $context, $messages_request, $topic, $attachments, $topicinfo;
  1047. static $counter = null;
  1048. // If the query returned false, bail.
  1049. if ($messages_request == false)
  1050. return false;
  1051. // Remember which message this is. (ie. reply #83)
  1052. if ($counter === null || $reset)
  1053. $counter = empty($options['view_newest_first']) ? $context['start'] : $context['total_visible_posts'] - $context['start'];
  1054. // Start from the beginning...
  1055. if ($reset)
  1056. return @$smcFunc['db_data_seek']($messages_request, 0);
  1057. // Attempt to get the next message.
  1058. $message = $smcFunc['db_fetch_assoc']($messages_request);
  1059. if (!$message)
  1060. {
  1061. $smcFunc['db_free_result']($messages_request);
  1062. return false;
  1063. }
  1064. // $context['icon_sources'] says where each icon should come from - here we set up the ones which will always exist!
  1065. if (empty($context['icon_sources']))
  1066. {
  1067. $stable_icons = array('xx', 'thumbup', 'thumbdown', 'exclamation', 'question', 'lamp', 'smiley', 'angry', 'cheesy', 'grin', 'sad', 'wink', 'poll', 'moved', 'recycled', 'wireless', 'clip');
  1068. $context['icon_sources'] = array();
  1069. foreach ($stable_icons as $icon)
  1070. $context['icon_sources'][$icon] = 'images_url';
  1071. }
  1072. // Message Icon Management... check the images exist.
  1073. if (empty($modSettings['messageIconChecks_disable']))
  1074. {
  1075. // If the current icon isn't known, then we need to do something...
  1076. if (!isset($context['icon_sources'][$message['icon']]))
  1077. $context['icon_sources'][$message['icon']] = file_exists($settings['theme_dir'] . '/images/post/' . $message['icon'] . '.png') ? 'images_url' : 'default_images_url';
  1078. }
  1079. elseif (!isset($context['icon_sources'][$message['icon']]))
  1080. $context['icon_sources'][$message['icon']] = 'images_url';
  1081. // If you're a lazy bum, you probably didn't give a subject...
  1082. $message['subject'] = $message['subject'] != '' ? $message['subject'] : $txt['no_subject'];
  1083. // Are you allowed to remove at least a single reply?
  1084. $context['can_remove_post'] |= allowedTo('delete_own') && (empty($modSettings['edit_disable_time']) || $message['poster_time'] + $modSettings['edit_disable_time'] * 60 >= time()) && $message['id_member'] == $user_info['id'];
  1085. // If it couldn't load, or the user was a guest.... someday may be done with a guest table.
  1086. if (!loadMemberContext($message['id_member'], true))
  1087. {
  1088. // Notice this information isn't used anywhere else....
  1089. $memberContext[$message['id_member']]['name'] = $message['poster_name'];
  1090. $memberContext[$message['id_member']]['id'] = 0;
  1091. $memberContext[$message['id_member']]['group'] = $txt['guest_title'];
  1092. $memberContext[$message['id_member']]['link'] = $message['poster_name'];
  1093. $memberContext[$message['id_member']]['email'] = $message['poster_email'];
  1094. $memberContext[$message['id_member']]['show_email'] = showEmailAddress(true, 0);
  1095. $memberContext[$message['id_member']]['is_guest'] = true;
  1096. }
  1097. else
  1098. {
  1099. $memberContext[$message['id_member']]['can_view_profile'] = allowedTo('profile_view_any') || ($message['id_member'] == $user_info['id'] && allowedTo('profile_view_own'));
  1100. $memberContext[$message['id_member']]['is_topic_starter'] = $message['id_member'] == $context['topic_starter_id'];
  1101. $memberContext[$message['id_member']]['can_see_warning'] = !isset($context['disabled_fields']['warning_status']) && $memberContext[$message['id_member']]['warning_status'] && ($context['user']['can_mod'] || (!$user_info['is_guest'] && !empty($modSettings['warning_show']) && ($modSettings['warning_show'] > 1 || $message['id_member'] == $user_info['id'])));
  1102. }
  1103. $memberContext[$message['id_member']]['ip'] = $message['poster_ip'];
  1104. $memberContext[$message['id_member']]['show_profile_buttons'] = $settings['show_profile_buttons'] && (!empty($memberContext[$message['id_member']]['can_view_profile']) || (!empty($memberContext[$message['id_member']]['website']['url']) && !isset($context['disabled_fields']['website'])) || (in_array($memberContext[$message['id_member']]['show_email'], array('yes', 'yes_permission_override', 'no_through_forum'))) || $context['can_send_pm']);
  1105. // Do the censor thang.
  1106. censorText($message['body']);
  1107. censorText($message['subject']);
  1108. // Run BBC interpreter on the message.
  1109. $message['body'] = parse_bbc($message['body'], $message['smileys_enabled'], $message['id_msg']);
  1110. // Compose the memory eat- I mean message array.
  1111. $output = array(
  1112. 'attachment' => loadAttachmentContext($message['id_msg']),
  1113. 'alternate' => $counter % 2,
  1114. 'id' => $message['id_msg'],
  1115. 'href' => $scripturl . '?topic=' . $topic . '.msg' . $message['id_msg'] . '#msg' . $message['id_msg'],
  1116. 'link' => '<a href="' . $scripturl . '?topic=' . $topic . '.msg' . $message['id_msg'] . '#msg' . $message['id_msg'] . '" rel="nofollow">' . $message['subject'] . '</a>',
  1117. 'member' => &$memberContext[$message['id_member']],
  1118. 'icon' => $message['icon'],
  1119. 'icon_url' => $settings[$context['icon_sources'][$message['icon']]] . '/post/' . $message['icon'] . '.png',
  1120. 'subject' => $message['subject'],
  1121. 'time' => timeformat($message['poster_time']),
  1122. 'timestamp' => forum_time(true, $message['poster_time']),
  1123. 'counter' => $counter,
  1124. 'modified' => array(
  1125. 'time' => timeformat($message['modified_time']),
  1126. 'timestamp' => forum_time(true, $message['modified_time']),
  1127. 'name' => $message['modified_name']
  1128. ),
  1129. 'body' => $message['body'],
  1130. 'new' => empty($message['is_read']),
  1131. 'approved' => $message['approved'],
  1132. 'first_new' => isset($context['start_from']) && $context['start_from'] == $counter,
  1133. 'is_ignored' => !empty($modSettings['enable_buddylist']) && !empty($options['posts_apply_ignore_list']) && in_array($message['id_member'], $context['user']['ignoreusers']),
  1134. 'can_approve' => !$message['approved'] && $context['can_approve'],
  1135. 'can_unapprove' => !empty($modSettings['postmod_active']) && $context['can_approve'] && $message['approved'],
  1136. 'can_modify' => (!$context['is_locked'] || allowedTo('moderate_board')) && (allowedTo('modify_any') || (allowedTo('modify_replies') && $context['user']['started']) || (allowedTo('modify_own') && $message['id_member'] == $user_info['id'] && (empty($modSettings['edit_disable_time']) || !$message['approved'] || $message['poster_time'] + $modSettings['edit_disable_time'] * 60 > time()))),
  1137. 'can_remove' => allowedTo('delete_any') || (allowedTo('delete_replies') && $context['user']['started']) || (allowedTo('delete_own') && $message['id_member'] == $user_info['id'] && (empty($modSettings['edit_disable_time']) || $message['poster_time'] + $modSettings['edit_disable_time'] * 60 > time())),
  1138. 'can_see_ip' => allowedTo('moderate_forum') || ($message['id_member'] == $user_info['id'] && !empty($user_info['id'])),
  1139. );
  1140. // Is this user the message author?
  1141. $output['is_message_author'] = $message['id_member'] == $user_info['id'];
  1142. call_integration_hook('integrate_prepare_display_context', array(&$output, &$message));
  1143. if (empty($options['view_newest_first']))
  1144. $counter++;
  1145. else
  1146. $counter--;
  1147. return $output;
  1148. }
  1149. /**
  1150. * Downloads an attachment or avatar, and increments the download count.
  1151. * It requires the view_attachments permission. (not for avatars!)
  1152. * It disables the session parser, and clears any previous output.
  1153. * It depends on the attachmentUploadDir setting being correct.
  1154. * It is accessed via the query string ?action=dlattach.
  1155. * Views to attachments and avatars do not increase hits and are not logged in the "Who's Online" log.
  1156. */
  1157. function Download()
  1158. {
  1159. global $txt, $modSettings, $user_info, $scripturl, $context, $sourcedir, $topic, $smcFunc;
  1160. // Some defaults that we need.
  1161. $context['character_set'] = empty($modSettings['global_character_set']) ? (empty($txt['lang_character_set']) ? 'ISO-8859-1' : $txt['lang_character_set']) : $modSettings['global_character_set'];
  1162. $context['utf8'] = $context['character_set'] === 'UTF-8';
  1163. $context['no_last_modified'] = true;
  1164. // Make sure some attachment was requested!
  1165. if (!isset($_REQUEST['attach']) && !isset($_REQUEST['id']))
  1166. fatal_lang_error('no_access', false);
  1167. $_REQUEST['attach'] = isset($_REQUEST['attach']) ? (int) $_REQUEST['attach'] : (int) $_REQUEST['id'];
  1168. if (isset($_REQUEST['type']) && $_REQUEST['type'] == 'avatar')
  1169. {
  1170. $request = $smcFunc['db_query']('', '
  1171. SELECT id_folder, filename, file_hash, fileext, id_attach, attachment_type, mime_type, approved, id_member
  1172. FROM {db_prefix}attachments
  1173. WHERE id_attach = {int:id_attach}
  1174. AND id_member > {int:blank_id_member}
  1175. LIMIT 1',
  1176. array(
  1177. 'id_attach' => $_REQUEST['attach'],
  1178. 'blank_id_member' => 0,
  1179. )
  1180. );
  1181. $_REQUEST['image'] = true;
  1182. }
  1183. // This is just a regular attachment...
  1184. else
  1185. {
  1186. // This checks only the current board for $board/$topic's permissions.
  1187. isAllowedTo('view_attachments');
  1188. // Make sure this attachment is on this board.
  1189. // @todo: We must verify that $topic is the attachment's topic, or else the permission check above is broken.
  1190. $request = $smcFunc['db_query']('', '
  1191. SELECT a.id_folder, a.filename, a.file_hash, a.fileext, a.id_attach, a.attachment_type, a.mime_type, a.approved, m.id_member
  1192. FROM {db_prefix}attachments AS a
  1193. INNER JOIN {db_prefix}messages AS m ON (m.id_msg = a.id_msg AND m.id_topic = {int:current_topic})
  1194. INNER JOIN {db_prefix}boards AS b ON (b.id_board = m.id_board AND {query_see_board})
  1195. WHERE a.id_attach = {int:attach}
  1196. LIMIT 1',
  1197. array(
  1198. 'attach' => $_REQUEST['attach'],
  1199. 'current_topic' => $topic,
  1200. )
  1201. );
  1202. }
  1203. if ($smcFunc['db_num_rows']($request) == 0)
  1204. fatal_lang_error('no_access', false);
  1205. list ($id_folder, $real_filename, $file_hash, $file_ext, $id_attach, $attachment_type, $mime_type, $is_approved, $id_member) = $smcFunc['db_fetch_row']($request);
  1206. $smcFunc['db_free_result']($request);
  1207. // If it isn't yet approved, do they have permission to view it?
  1208. if (!$is_approved && ($id_member == 0 || $user_info['id'] != $id_member) && ($attachment_type == 0 || $attachment_type == 3))
  1209. isAllowedTo('approve_posts');
  1210. // Update the download counter (unless it's a thumbnail).
  1211. if ($attachment_type != 3)
  1212. $smcFunc['db_query']('attach_download_increase', '
  1213. UPDATE LOW_PRIORITY {db_prefix}attachments
  1214. SET downloads = downloads + 1
  1215. WHERE id_attach = {int:id_attach}',
  1216. array(
  1217. 'id_attach' => $id_attach,
  1218. )
  1219. );
  1220. $filename = getAttachmentFilename($real_filename, $_REQUEST['attach'], $id_folder, false, $file_hash);
  1221. // This is done to clear any output that was made before now.
  1222. ob_end_clean();
  1223. if (!empty($modSettings['enableCompressedOutput']) && @filesize($filename) <= 4194304 && in_array($file_ext, array('txt', 'html', 'htm', 'js', 'doc', 'docx', 'rtf', 'css', 'php', 'log', 'xml', 'sql', 'c', 'java')))
  1224. @ob_start('ob_gzhandler');
  1225. else
  1226. {
  1227. ob_start();
  1228. header('Content-Encoding: none');
  1229. }
  1230. // No point in a nicer message, because this is supposed to be an attachment anyway...
  1231. if (!file_exists($filename))
  1232. {
  1233. loadLanguage('Errors');
  1234. header((preg_match('~HTTP/1\.[01]~i', $_SERVER['SERVER_PROTOCOL']) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0') . ' 404 Not Found');
  1235. header('Content-Type: text/plain; charset=' . (empty($context['character_set']) ? 'ISO-8859-1' : $context['character_set']));
  1236. // We need to die like this *before* we send any anti-caching headers as below.
  1237. die('404 - ' . $txt['attachment_not_found']);
  1238. }
  1239. // If it hasn't been modified since the last time this attachement was retrieved, there's no need to display it again.
  1240. if (!empty($_SERVER['HTTP_IF_MODIFIED_SINCE']))
  1241. {
  1242. list($modified_since) = explode(';', $_SERVER['HTTP_IF_MODIFIED_SINCE']);
  1243. if (strtotime($modified_since) >= filemtime($filename))
  1244. {
  1245. ob_end_clean();
  1246. // Answer the question - no, it hasn't been modified ;).
  1247. header('HTTP/1.1 304 Not Modified');
  1248. exit;
  1249. }
  1250. }
  1251. // Check whether the ETag was sent back, and cache based on that...
  1252. $eTag = '"' . substr($_REQUEST['attach'] . $real_filename . filemtime($filename), 0, 64) . '"';
  1253. if (!empty($_SERVER['HTTP_IF_NONE_MATCH']) && strpos($_SERVER['HTTP_IF_NONE_MATCH'], $eTag) !== false)
  1254. {
  1255. ob_end_clean();
  1256. header('HTTP/1.1 304 Not Modified');
  1257. exit;
  1258. }
  1259. // Send the attachment headers.
  1260. header('Pragma: ');
  1261. if (!isBrowser('gecko'))
  1262. header('Content-Transfer-Encoding: binary');
  1263. header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 525600 * 60) . ' GMT');
  1264. header('Last-Modified: ' . gmdate('D, d M Y H:i:s', filemtime($filename)) . ' GMT');
  1265. header('Accept-Ranges: bytes');
  1266. header('Connection: close');
  1267. header('ETag: ' . $eTag);
  1268. // Make sure the mime type warrants an inline display.
  1269. if (isset($_REQUEST['image']) && !empty($mime_type) && strpos($mime_type, 'image/') !== 0)
  1270. unset($_REQUEST['image']);
  1271. // Does this have a mime type?
  1272. elseif (!empty($mime_type) && (isset($_REQUEST['image']) || !in_array($file_ext, array('jpg', 'gif', 'jpeg', 'x-ms-bmp', 'png', 'psd', 'tiff', 'iff'))))
  1273. header('Content-Type: ' . strtr($mime_type, array('image/bmp' => 'image/x-ms-bmp')));
  1274. else
  1275. {
  1276. header('Content-Type: ' . (isBrowser('ie') || isBrowser('opera') ? 'application/octetstream' : 'application/octet-stream'));
  1277. if (isset($_REQUEST['image']))
  1278. unset($_REQUEST['image']);
  1279. }
  1280. // Convert the file to UTF-8, cuz most browsers dig that.
  1281. $utf8name = !$context['utf8'] && function_exists('iconv') ? iconv($context['character_set'], 'UTF-8', $real_filename) : (!$context['utf8'] && function_exists('mb_convert_encoding') ? mb_convert_encoding($real_filename, 'UTF-8', $context['character_set']) : $real_filename);
  1282. $fixchar = create_function('$n', '
  1283. if ($n < 32)
  1284. return \'\';
  1285. elseif ($n < 128)
  1286. return chr($n);
  1287. elseif ($n < 2048)
  1288. return chr(192 | $n >> 6) . chr(128 | $n & 63);
  1289. elseif ($n < 65536)
  1290. return chr(224 | $n >> 12) . chr(128 | $n >> 6 & 63) . chr(128 | $n & 63);
  1291. else
  1292. return chr(240 | $n >> 18) . chr(128 | $n >> 12 & 63) . chr(128 | $n >> 6 & 63) . chr(128 | $n & 63);');
  1293. $disposition = !isset($_REQUEST['image']) ? 'attachment' : 'inline';
  1294. // Different browsers like different standards...
  1295. if (isBrowser('firefox'))
  1296. header('Content-Disposition: ' . $disposition . '; filename*=UTF-8\'\'' . rawurlencode(preg_replace('~&#(\d{3,8});~e', '$fixchar(\'$1\')', $utf8name)));
  1297. elseif (isBrowser('opera'))
  1298. header('Content-Disposition: ' . $disposition . '; filename="' . preg_replace('~&#(\d{3,8});~e', '$fixchar(\'$1\')', $utf8name) . '"');
  1299. elseif (isBrowser('ie'))
  1300. header('Content-Disposition: ' . $disposition . '; filename="' . urlencode(preg_replace('~&#(\d{3,8});~e', '$fixchar(\'$1\')', $utf8name)) . '"');
  1301. else
  1302. header('Content-Disposition: ' . $disposition . '; filename="' . $utf8name . '"');
  1303. // If this has an "image extension" - but isn't actually an image - then ensure it isn't cached cause of silly IE.
  1304. if (!isset($_REQUEST['image']) && in_array($file_ext, array('gif', 'jpg', 'bmp', 'png', 'jpeg', 'tiff')))
  1305. header('Cache-Control: no-cache');
  1306. else
  1307. header('Cache-Control: max-age=' . (525600 * 60) . ', private');
  1308. header('Content-Length: ' . filesize($filename));
  1309. // Try to buy some time...
  1310. @set_time_limit(600);
  1311. // Recode line endings for text files, if enabled.
  1312. if (!empty($modSettings['attachmentRecodeLineEndings']) && !isset($_REQUEST['image']) && in_array($file_ext, array('txt', 'css', 'htm', 'html', 'php', 'xml')))
  1313. {
  1314. if (strpos($_SERVER['HTTP_USER_AGENT'], 'Windows') !== false)
  1315. $callback = create_function('$buffer', 'return preg_replace(\'~[\r]?\n~\', "\r\n", $buffer);');
  1316. elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'Mac') !== false)
  1317. $callback = create_function('$buffer', 'return preg_replace(\'~[\r]?\n~\', "\r", $buffer);');
  1318. else
  1319. $callback = create_function('$buffer', 'return preg_replace(\'~[\r]?\n~\', "\n", $buffer);');
  1320. }
  1321. // Since we don't do output compression for files this large...
  1322. if (filesize($filename) > 4194304)
  1323. {
  1324. // Forcibly end any output buffering going on.
  1325. while (@ob_get_level() > 0)
  1326. @ob_end_clean();
  1327. $fp = fopen($filename, 'rb');
  1328. while (!feof($fp))
  1329. {
  1330. if (isset($callback))
  1331. echo $callback(fread($fp, 8192));
  1332. else
  1333. echo fread($fp, 8192);
  1334. flush();
  1335. }
  1336. fclose($fp);
  1337. }
  1338. // On some of the less-bright hosts, readfile() is disabled. It's just a faster, more byte safe, version of what's in the if.
  1339. elseif (isset($callback) || @readfile($filename) === null)
  1340. echo isset($callback) ? $callback(file_get_contents($filename)) : file_get_contents($filename);
  1341. obExit(false);
  1342. }
  1343. /**
  1344. * This loads an attachment's contextual data including, most importantly, its size if it is an image.
  1345. * Pre-condition: $attachments array to have been filled with the proper attachment data, as Display() does.
  1346. * (@todo change this pre-condition, too fragile and error-prone.)
  1347. * It requires the view_attachments permission to calculate image size.
  1348. * It attempts to keep the "aspect ratio" of the posted image in line, even if it has to be resized by
  1349. * the max_image_width and max_image_height settings.
  1350. */
  1351. function loadAttachmentContext($id_msg)
  1352. {
  1353. global $attachments, $modSettings, $txt, $scripturl, $topic, $sourcedir, $smcFunc;
  1354. // Set up the attachment info - based on code by Meriadoc.
  1355. $attachmentData = array();
  1356. $have_unapproved = false;
  1357. if (isset($attachments[$id_msg]) && !empty($modSettings['attachmentEnable']))
  1358. {
  1359. foreach ($attachments[$id_msg] as $i => $attachment)
  1360. {
  1361. $attachmentData[$i] = array(
  1362. 'id' => $attachment['id_attach'],
  1363. 'name' => preg_replace('~&amp;#(\\d{1,7}|x[0-9a-fA-F]{1,6});~', '&#\\1;', htmlspecialchars($attachment['filename'])),
  1364. 'downloads' => $attachment['downloads'],
  1365. 'size' => ($attachment['filesize'] < 1024000) ? round($attachment['filesize'] / 1024, 2) . ' ' . $txt['kilobyte'] : round($attachment['filesize'] / 1024 / 1024, 2) . ' ' . $txt['megabyte'],
  1366. 'byte_size' => $attachment['filesize'],
  1367. 'href' => $scripturl . '?action=dlattach;topic=' . $topic . '.0;attach=' . $attachment['id_attach'],
  1368. 'link' => '<a href="' . $scripturl . '?action=dlattach;topic=' . $topic . '.0;attach=' . $attachment['id_attach'] . '">' . htmlspecialchars($attachment['filename']) . '</a>',
  1369. 'is_image' => !empty($attachment['width']) && !empty($attachment['height']) && !empty($modSettings['attachmentShowImages']),
  1370. 'is_approved' => $attachment['approved'],
  1371. );
  1372. // If something is unapproved we'll note it so we can sort them.
  1373. if (!$attachment['approved'])
  1374. $have_unapproved = true;
  1375. if (!$attachmentData[$i]['is_image'])
  1376. continue;
  1377. $attachmentData[$i]['real_width'] = $attachment['width'];
  1378. $attachmentData[$i]['width'] = $attachment['width'];
  1379. $attachmentData[$i]['real_height'] = $attachment['height'];
  1380. $attachmentData[$i]['height'] = $attachment['height'];
  1381. // Let's see, do we want thumbs?
  1382. if (!empty($modSettings['attachmentThumbnails']) && !empty($modSettings['attachmentThumbWidth']) && !empty($modSettings['attachmentThumbHeight']) && ($attachment['width'] > $modSettings['attachmentThumbWidth'] || $attachment['height'] > $modSettings['attachmentThumbHeight']) && strlen($attachment['filename']) < 249)
  1383. {
  1384. // A proper thumb doesn't exist yet? Create one!
  1385. if (empty($attachment['id_thumb']) || $attachment['thumb_width'] > $modSettings['attachmentThumbWidth'] || $attachment['thumb_height'] > $modSettings['attachmentThumbHeight'] || ($attachment['thumb_width'] < $modSettings['attachmentThumbWidth'] && $attachment['thumb_height'] < $modSettings['attachmentThumbHeight']))
  1386. {
  1387. $filename = getAttachmentFilename($attachment['filename'], $attachment['id_attach'], $attachment['id_folder']);
  1388. require_once($sourcedir . '/Subs-Graphics.php');
  1389. if (createThumbnail($filename, $modSettings['attachmentThumbWidth'], $modSettings['attachmentThumbHeight']))
  1390. {
  1391. // So what folder are we putting this image in?
  1392. if (!empty($modSettings['currentAttachmentUploadDir']))
  1393. {
  1394. if (!is_array($modSettings['attachmentUploadDir']))
  1395. $modSettings['attachmentUploadDir'] = @unserialize($modSettings['attachmentUploadDir']);
  1396. $path = $modSettings['attachmentUploadDir'][$modSettings['currentAttachmentUploadDir']];
  1397. $id_folder_thumb = $modSettings['currentAttachmentUploadDir'];
  1398. }
  1399. else
  1400. {
  1401. $path = $modSettings['attachmentUploadDir'];
  1402. $id_folder_thumb = 1;
  1403. }
  1404. // Calculate the size of the created thumbnail.
  1405. $size = @getimagesize($filename . '_thumb');
  1406. list ($attachment['thumb_width'], $attachment['thumb_height']) = $size;
  1407. $thumb_size = filesize($filename . '_thumb');
  1408. // These are the only valid image types for SMF.
  1409. $validImageTypes = array(1 => 'gif', 2 => 'jpeg', 3 => 'png', 5 => 'psd', 6 => 'bmp', 7 => 'tiff', 8 => 'tiff', 9 => 'jpeg', 14 => 'iff');
  1410. // What about the extension?
  1411. $thumb_ext = isset($validImageTypes[$size[2]]) ? $validImageTypes[$size[2]] : '';
  1412. // Figure out the mime type.
  1413. if (!empty($size['mime']))
  1414. $thumb_mime = $size['mime'];
  1415. else
  1416. $thumb_mime = 'image/' . $thumb_ext;
  1417. $thumb_filename = $attachment['filename'] . '_thumb';
  1418. $thumb_hash = getAttachmentFilename($thumb_filename, false, null, true);
  1419. // Add this beauty to the database.
  1420. $smcFunc['db_insert']('',
  1421. '{db_prefix}attachments',
  1422. array('id_folder' => 'int', 'id_msg' => 'int', 'attachment_type' => 'int', 'filename' => 'string', 'file_hash' => 'string', 'size' => 'int', 'width' => 'int', 'height' => 'int', 'fileext' => 'string', 'mime_type' => 'string'),
  1423. array($id_folder_thumb, $id_msg, 3, $thumb_filename, $thumb_hash, (int) $thumb_size, (int) $attachment['thumb_width'], (int) $attachment['thumb_height'], $thumb_ext, $thumb_mime),
  1424. array('id_attach')
  1425. );
  1426. $old_id_thumb = $attachment['id_thumb'];
  1427. $attachment['id_thumb'] = $smcFunc['db_insert_id']('{db_prefix}attachments', 'id_attach');
  1428. if (!empty($attachment['id_thumb']))
  1429. {
  1430. $smcFunc['db_query']('', '
  1431. UPDATE {db_prefix}attachments
  1432. SET id_thumb = {int:id_thumb}
  1433. WHERE id_attach = {int:id_attach}',
  1434. array(
  1435. 'id_thumb' => $attachment['id_thumb'],
  1436. 'id_attach' => $attachment['id_attach'],
  1437. )
  1438. );
  1439. $thumb_realname = getAttachmentFilename($thumb_filename, $attachment['id_thumb'], $id_folder_thumb, false, $thumb_hash);
  1440. rename($filename . '_thumb', $thumb_realname);
  1441. // Do we need to remove an old thumbnail?
  1442. if (!empty($old_id_thumb))
  1443. {
  1444. require_once($sourcedir . '/ManageAttachments.php');
  1445. removeAttachments(array('id_attach' => $old_id_thumb), '', false, false);
  1446. }
  1447. }
  1448. }
  1449. }
  1450. // Only adjust dimensions on successful thumbnail creation.
  1451. if (!empty($attachment['thumb_width']) && !empty($attachment['thumb_height']))
  1452. {
  1453. $attachmentData[$i]['width'] = $attachment['thumb_width'];
  1454. $attachmentData[$i]['height'] = $attachment['thumb_height'];
  1455. }
  1456. }
  1457. if (!empty($attachment['id_thumb']))
  1458. $attachmentData[$i]['thumbnail'] = array(
  1459. 'id' => $attachment['id_thumb'],
  1460. 'href' => $scripturl . '?action=dlattach;topic=' . $topic . '.0;attach=' . $attachment['id_thumb'] . ';image',
  1461. );
  1462. $attachmentData[$i]['thumbnail']['has_thumb'] = !empty($attachment['id_thumb']);
  1463. // If thumbnails are disabled, check the maximum size of the image.
  1464. if (!$attachmentData[$i]['thumbnail']['has_thumb'] && ((!empty($modSettings['max_image_width']) && $attachment['width'] > $modSettings['max_image_width']) || (!empty($modSettings['max_image_height']) && $attachment['height'] > $modSettings['max_image_height'])))
  1465. {
  1466. if (!empty($modSettings['max_image_width']) && (empty($modSettings['max_image_height']) || $attachment['height'] * $modSettings['max_image_width'] / $attachment['width'] <= $modSettings['max_image_height']))
  1467. {
  1468. $attachmentData[$i]['width'] = $modSettings['max_image_width'];
  1469. $attachmentData[$i]['height'] = floor($attachment['height'] * $modSettings['max_image_width'] / $attachment['width']);
  1470. }
  1471. elseif (!empty($modSettings['max_image_width']))
  1472. {
  1473. $attachmentData[$i]['width'] = floor($attachment['width'] * $modSettings['max_image_height'] / $attachment['height']);
  1474. $attachmentData[$i]['height'] = $modSettings['max_image_height'];
  1475. }
  1476. }
  1477. elseif ($attachmentData[$i]['thumbnail']['has_thumb'])
  1478. {
  1479. // If the image is too large to show inline, make it a popup.
  1480. if (((!empty($modSettings['max_image_width']) && $attachmentData[$i]['real_width'] > $modSettings['max_image_width']) || (!empty($modSettings['max_image_height']) && $attachmentData[$i]['real_height'] > $modSettings['max_image_height'])))
  1481. $attachmentData[$i]['thumbnail']['javascript'] = 'return reqWin(\'' . $attachmentData[$i]['href'] . ';image\', ' . ($attachment['width'] + 20) . ', ' . ($attachment['height'] + 20) . ', true);';
  1482. else
  1483. $attachmentData[$i]['thumbnail']['javascript'] = 'return expandThumb(' . $attachment['id_attach'] . ');';
  1484. }
  1485. if (!$attachmentData[$i]['thumbnail']['has_thumb'])
  1486. $attachmentData[$i]['downloads']++;
  1487. }
  1488. }
  1489. // Do we need to instigate a sort?
  1490. if ($have_unapproved)
  1491. usort($attachmentData, 'approved_attach_sort');
  1492. return $attachmentData;
  1493. }
  1494. /**
  1495. * A sort function for putting unapproved attachments first.
  1496. * @param $a
  1497. * @param $b
  1498. * @return int, -1, 0, 1
  1499. */
  1500. function approved_attach_sort($a, $b)
  1501. {
  1502. if ($a['is_approved'] == $b['is_approved'])
  1503. return 0;
  1504. return $a['is_approved'] > $b['is_approved'] ? -1 : 1;
  1505. }
  1506. /**
  1507. * In-topic quick moderation.
  1508. */
  1509. function QuickInTopicModeration()
  1510. {
  1511. global $sourcedir, $topic, $board, $user_info, $smcFunc, $modSettings, $context;
  1512. // Check the session = get or post.
  1513. checkSession('request');
  1514. require_once($sourcedir . '/RemoveTopic.php');
  1515. if (empty($_REQUEST['msgs']))
  1516. redirectexit('topic=' . $topic . '.' . $_REQUEST['start']);
  1517. $messages = array();
  1518. foreach ($_REQUEST['msgs'] as $dummy)
  1519. $messages[] = (int) $dummy;
  1520. // We are restoring messages. We handle this in another place.
  1521. if (isset($_REQUEST['restore_selected']))
  1522. redirectexit('action=restoretopic;msgs=' . implode(',', $messages) . ';' . $context['session_var'] . '=' . $context['session_id']);
  1523. if (isset($_REQUEST['split_selection']))
  1524. {
  1525. $request = $smcFunc['db_query']('', '
  1526. SELECT subject
  1527. FROM {db_prefix}messages
  1528. WHERE id_msg = {int:message}
  1529. LIMIT 1',
  1530. array(
  1531. 'message' => min($messages),
  1532. )
  1533. );
  1534. list($subname) = $smcFunc['db_fetch_row']($request);
  1535. $smcFunc['db_free_result']($request);
  1536. $_SESSION['split_selection'][$topic] = $messages;
  1537. redirectexit('action=splittopics;sa=selectTopics;topic=' . $topic . '.0;subname_enc=' .urlencode($subname) . ';' . $context['session_var'] . '=' . $context['session_id']);
  1538. }
  1539. // Allowed to delete any message?
  1540. if (allowedTo('delete_any'))
  1541. $allowed_all = true;
  1542. // Allowed to delete replies to their messages?
  1543. elseif (allowedTo('delete_replies'))
  1544. {
  1545. $request = $smcFunc['db_query']('', '
  1546. SELECT id_member_started
  1547. FROM {db_prefix}topics
  1548. WHERE id_topic = {int:current_topic}
  1549. LIMIT 1',
  1550. array(
  1551. 'current_topic' => $topic,
  1552. )
  1553. );
  1554. list ($starter) = $smcFunc['db_fetch_row']($request);
  1555. $smcFunc['db_free_result']($request);
  1556. $allowed_all = $starter == $user_info['id'];
  1557. }
  1558. else
  1559. $allowed_all = false;
  1560. // Make sure they're allowed to delete their own messages, if not any.
  1561. if (!$allowed_all)
  1562. isAllowedTo('delete_own');
  1563. // Allowed to remove which messages?
  1564. $request = $smcFunc['db_query']('', '
  1565. SELECT id_msg, subject, id_member, poster_time
  1566. FROM {db_prefix}messages
  1567. WHERE id_msg IN ({array_int:message_list})
  1568. AND id_topic = {int:current_topic}' . (!$allowed_all ? '
  1569. AND id_member = {int:current_member}' : '') . '
  1570. LIMIT ' . count($messages),
  1571. array(
  1572. 'current_member' => $user_info['id'],
  1573. 'current_topic' => $topic,
  1574. 'message_list' => $messages,
  1575. )
  1576. );
  1577. $messages = array();
  1578. while ($row = $smcFunc['db_fetch_assoc']($request))
  1579. {
  1580. if (!$allowed_all && !empty($modSettings['edit_disable_time']) && $row['poster_time'] + $modSettings['edit_disable_time'] * 60 < time())
  1581. continue;
  1582. $messages[$row['id_msg']] = array($row['subject'], $row['id_member']);
  1583. }
  1584. $smcFunc['db_free_result']($request);
  1585. // Get the first message in the topic - because you can't delete that!
  1586. $request = $smcFunc['db_query']('', '
  1587. SELECT id_first_msg, id_last_msg
  1588. FROM {db_prefix}topics
  1589. WHERE id_topic = {int:current_topic}
  1590. LIMIT 1',
  1591. array(
  1592. 'current_topic' => $topic,
  1593. )
  1594. );
  1595. list ($first_message, $last_message) = $smcFunc['db_fetch_row']($request);
  1596. $smcFunc['db_free_result']($request);
  1597. // Delete all the messages we know they can delete. ($messages)
  1598. foreach ($messages as $message => $info)
  1599. {
  1600. // Just skip the first message - if it's not the last.
  1601. if ($message == $first_message && $message != $last_message)
  1602. continue;
  1603. // If the first message is going then don't bother going back to the topic as we're effectively deleting it.
  1604. elseif ($message == $first_message)
  1605. $topicGone = true;
  1606. removeMessage($message);
  1607. // Log this moderation action ;).
  1608. if (allowedTo('delete_any') && (!allowedTo('delete_own') || $info[1] != $user_info['id']))
  1609. logAction('delete', array('topic' => $topic, 'subject' => $info[0], 'member' => $info[1], 'board' => $board));
  1610. }
  1611. redirectexit(!empty($topicGone) ? 'board=' . $board : 'topic=' . $topic . '.' . $_REQUEST['start']);
  1612. }
  1613. ?>