Subs-Themes.php 13 KB

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  1. <?php
  2. /**
  3. * Helper file for handing themes.
  4. *
  5. * Simple Machines Forum (SMF)
  6. *
  7. * @package SMF
  8. * @author Simple Machines
  9. *
  10. * @copyright 2013 Simple Machines and individual contributors
  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('No direct access...');
  17. function get_single_theme($id)
  18. {
  19. global $smcFunc, $context, $modSettings;
  20. // No data, no fun!
  21. if (empty($id))
  22. return false;
  23. $single = array(
  24. 'id' => $id,
  25. );
  26. // Make our known/enable themes a little easier to work with.
  27. $knownThemes = !empty($modSettings['knownThemes']) ? explode(',',$modSettings['knownThemes']) : array();
  28. $enableThemes = !empty($modSettings['enableThemes']) ? explode(',',$modSettings['enableThemes']) : array();
  29. $request = $smcFunc['db_query']('', '
  30. SELECT id_theme, variable, value
  31. FROM {db_prefix}themes
  32. WHERE variable IN ({string:theme_dir}, {string:theme_url}, {string:images_url}, {string:name}, {string:theme_layers}, {string:theme_templates}, {string:version}, {string:install_for}, {string:based_on}, {string:enable})
  33. AND id_theme = {int:id_theme}
  34. AND id_member = {int:no_member}',
  35. array(
  36. 'id_theme' => $id,
  37. 'no_member' => 0,
  38. )
  39. );
  40. while ($row = $smcFunc['db_fetch_assoc']($request))
  41. $single[$row['variable']] = $row['value'];
  42. // Fix the path and tell if its a valid one.
  43. $single['theme_dir'] = realpath($single['theme_dir']);
  44. $single['valid_path'] = file_exists($single['theme_dir']) && is_dir($single['theme_dir']);
  45. $single['known'] = in_array($single['id'], $knownThemes);
  46. $single['enable'] = in_array($single['id'], $enableThemes);
  47. return $single;
  48. }
  49. function get_all_themes($enable_only = false)
  50. {
  51. global $modSettings, $context, $smcFunc;
  52. // Make our known/enable themes a little easier to work with.
  53. $knownThemes = !empty($modSettings['knownThemes']) ? explode(',',$modSettings['knownThemes']) : array();
  54. $enableThemes = !empty($modSettings['enableThemes']) ? explode(',',$modSettings['enableThemes']) : array();
  55. // List of all possible themes values.
  56. $themeValues = array(
  57. 'theme_dir',
  58. 'images_url',
  59. 'theme_url',
  60. 'name',
  61. 'theme_layers',
  62. 'theme_templates',
  63. 'version',
  64. 'install_for',
  65. 'based_on',
  66. 'enable',
  67. );
  68. // So, what is it going to be?
  69. $query_where = $enable_only ? $enableThemes : $knownThemes;
  70. // Perform the query as requested.
  71. $request = $smcFunc['db_query']('', '
  72. SELECT id_theme, variable, value
  73. FROM {db_prefix}themes
  74. WHERE variable IN ({array_string:theme_values})
  75. AND id_theme IN ({array_string:query_where})
  76. AND id_member = {int:no_member}',
  77. array(
  78. 'query_where' => $query_where,
  79. 'theme_values' => $themeValues,
  80. 'no_member' => 0,
  81. )
  82. );
  83. $context['themes'] = array();
  84. while ($row = $smcFunc['db_fetch_assoc']($request))
  85. {
  86. $context['themes'][$row['id_theme']]['id'] = (int) $row['id_theme'];
  87. // Fix the path and tell if its a valid one.
  88. if ($row['variable'] == 'theme_dir')
  89. {
  90. $context['themes'][$row['id_theme']][$row['variable']] = realpath($row['value']);
  91. $context['themes'][$row['id_theme']]['valid_path'] = file_exists(realpath($row['value'])) && is_dir(realpath($row['value']));
  92. }
  93. $context['themes'][$row['id_theme']]['known'] = in_array($row['id_theme'], $knownThemes);
  94. $context['themes'][$row['id_theme']]['enable'] = in_array($row['id_theme'], $enableThemes);
  95. $context['themes'][$row['id_theme']][$row['variable']] = $row['value'];
  96. }
  97. $smcFunc['db_free_result']($request);
  98. return $context['themes'];
  99. }
  100. function get_theme_info($path)
  101. {
  102. global $sourcedir, $forum_version, $txt, $scripturl, $context;
  103. global $explicit_images;
  104. if (empty($path))
  105. return false;
  106. $xml_data = array();
  107. $explicit_images = false;
  108. // Perhaps they are trying to install a mod, lets tell them nicely this is the wrong function.
  109. if (file_exists($path . '/package-info.xml'))
  110. {
  111. loadLanguage('Errors');
  112. // We need to delete the dir otherwise the next time you try to install a theme you will get the same error.
  113. remove_dir($path);
  114. $txt['package_get_error_is_mod'] = str_replace('{MANAGEMODURL}', $scripturl . '?action=admin;area=packages;' . $context['session_var'] . '=' . $context['session_id'], $txt['package_get_error_is_mod']);
  115. fatal_lang_error('package_theme_upload_error_broken', false, $txt['package_get_error_is_mod']);
  116. }
  117. // Parse theme-info.xml into an xmlArray.
  118. require_once($sourcedir . '/Class-Package.php');
  119. $theme_info_xml = new xmlArray(file_get_contents($path . '/theme_info.xml'));
  120. // Error message, there isn't any valid info.
  121. if (!$theme_info_xml->exists('theme-info[0]'))
  122. {
  123. remove_dir($path);
  124. fatal_lang_error('package_get_error_packageinfo_corrupt', false);
  125. }
  126. // Check for compatibility with 2.1 or greater.
  127. if (!$theme_info_xml->exists('theme-info/install'))
  128. {
  129. remove_dir($path);
  130. fatal_lang_error('package_get_error_theme_not_compatible', false, $forum_version);
  131. }
  132. // So, we have an install tag which is cool and stuff but we also need to check it and match your current SMF version...
  133. $the_version = strtr($forum_version, array('SMF ' => ''));
  134. $install_versions = $theme_info_xml->path('theme-info/install/@for');
  135. // The theme isn't compatible with the current SMF version.
  136. if (!$install_versions || !matchPackageVersion($the_version, $install_versions))
  137. {
  138. remove_dir($path);
  139. fatal_lang_error('package_get_error_theme_not_compatible', false, $forum_version);
  140. }
  141. $theme_info_xml = $theme_info_xml->path('theme-info[0]');
  142. $theme_info_xml = $theme_info_xml->to_array();
  143. $xml_elements = array(
  144. 'theme_layers' => 'layers',
  145. 'theme_templates' => 'templates',
  146. 'based_on' => 'based-on',
  147. 'version' => 'version',
  148. );
  149. // Assign the values to be stored.
  150. foreach ($xml_elements as $var => $name)
  151. if (!empty($theme_info_xml[$name]))
  152. $xml_data[$var] = $theme_info_xml[$name];
  153. // Add the supported versions.
  154. $xml_data['install_for'] = $install_versions;
  155. // Overwrite the default images folder.
  156. if (!empty($theme_info_xml['images']))
  157. {
  158. $xml_data['images_url'] = $path . '/' . $theme_info_xml['images'];
  159. $explicit_images = true;
  160. }
  161. if (!empty($theme_info_xml['extra']))
  162. $xml_data += unserialize($theme_info_xml['extra']);
  163. return $xml_data;
  164. }
  165. function theme_install($to_install = array())
  166. {
  167. global $smcFunc, $context, $themedir, $themeurl, $modSettings;
  168. global $settings, $explicit_images;
  169. // External use? no problem!
  170. if ($to_install)
  171. $context['to_install'] = $to_install;
  172. // One last check.
  173. if (empty($context['to_install']['theme_dir']) || basename($context['to_install']['theme_dir']) == 'Themes')
  174. fatal_lang_error('theme_install_invalid_dir', false);
  175. // OK, is this a newer version of an already installed theme?
  176. if (!empty($context['to_install']['version']))
  177. {
  178. $to_update = array();
  179. $request = $smcFunc['db_query']('', '
  180. SELECT th.value AS name, th.id_theme, th2.value AS version
  181. FROM {db_prefix}themes AS th
  182. INNER JOIN {db_prefix}themes AS th2 ON (th2.id_theme = th.id_theme
  183. AND th2.id_member = {int:no_member}
  184. AND th2.variable = {string:version})
  185. WHERE th.id_member = {int:no_member}
  186. AND th.variable = {string:name}
  187. AND th.value LIKE {string:name_value}
  188. LIMIT 1',
  189. array(
  190. 'no_member' => 0,
  191. 'name' => 'name',
  192. 'version' => 'version',
  193. 'name_value' => '%'. $context['to_install']['name'] .'%',
  194. )
  195. );
  196. $to_update = $smcFunc['db_fetch_assoc']($request);
  197. $smcFunc['db_free_result']($request);
  198. // Got something, lets figure it out what to do next.
  199. if (!empty($to_update) && !empty($to_update['version']))
  200. switch (compareVersions($context['to_install']['version'], $to_update['version']))
  201. {
  202. case 0: // This is exactly the same theme.
  203. case -1: // The one being installed is older than the one already installed.
  204. default: // Any other possible result.
  205. fatal_lang_error('package_get_error_theme_no_new_version', false, array($context['to_install']['version'], $to_update['version']));
  206. break;
  207. case 1: // Got a newer version, update the old entry.
  208. $smcFunc['db_query']('', '
  209. UPDATE {db_prefix}themes
  210. SET value = {string:new_value}
  211. WHERE variable = {string:version}
  212. AND id_theme = {int:id_theme}',
  213. array(
  214. 'new_value' => $context['to_install']['version'],
  215. 'version' => 'version',
  216. 'id_theme' => $to_update['id_theme'],
  217. )
  218. );
  219. // Done with the update, tell the user about it.
  220. $context['to_install']['updated'] = true;
  221. $context['to_install']['id'] = $to_update['id_theme'];
  222. return $context['to_install'];
  223. break; // Just for reference.
  224. }
  225. }
  226. if (!empty($context['to_install']['based_on']))
  227. {
  228. // No need for elaborated stuff when the theme is based on the default one.
  229. if ($context['to_install']['based_on'] == 'default')
  230. {
  231. $context['to_install']['theme_url'] = $settings['default_theme_url'];
  232. $context['to_install']['images_url'] = $settings['default_images_url'];
  233. }
  234. // Custom theme based on another custom theme, lets get some info.
  235. elseif ($context['to_install']['based_on'] != '')
  236. {
  237. $context['to_install']['based_on'] = preg_replace('~[^A-Za-z0-9\-_ ]~', '', $context['to_install']['based_on']);
  238. $request = $smcFunc['db_query']('', '
  239. SELECT th.value AS base_theme_dir, th2.value AS base_theme_url' . (!empty($explicit_images) ? '' : ', th3.value AS images_url') . '
  240. FROM {db_prefix}themes AS th
  241. INNER JOIN {db_prefix}themes AS th2 ON (th2.id_theme = th.id_theme
  242. AND th2.id_member = {int:no_member}
  243. AND th2.variable = {string:theme_url})' . (!empty($explicit_images) ? '' : '
  244. INNER JOIN {db_prefix}themes AS th3 ON (th3.id_theme = th.id_theme
  245. AND th3.id_member = {int:no_member}
  246. AND th3.variable = {string:images_url})') . '
  247. WHERE th.id_member = {int:no_member}
  248. AND (th.value LIKE {string:based_on} OR th.value LIKE {string:based_on_path})
  249. AND th.variable = {string:theme_dir}
  250. LIMIT 1',
  251. array(
  252. 'no_member' => 0,
  253. 'theme_url' => 'theme_url',
  254. 'images_url' => 'images_url',
  255. 'theme_dir' => 'theme_dir',
  256. 'based_on' => '%/' . $context['to_install']['based_on'],
  257. 'based_on_path' => '%' . "\\" . $context['to_install']['based_on'],
  258. )
  259. );
  260. $temp = $smcFunc['db_fetch_assoc']($request);
  261. $smcFunc['db_free_result']($request);
  262. // Found the based on theme info, add it to the current one being installed.
  263. if (is_array($temp))
  264. {
  265. $context['to_install'] = $temp + $context['to_install'];
  266. if (empty($explicit_images) && !empty($context['to_install']['base_theme_url']))
  267. $context['to_install']['theme_url'] = $context['to_install']['base_theme_url'];
  268. }
  269. // Nope, sorry, couldn't find any theme already installed.
  270. else
  271. fatal_lang_error('package_get_error_theme_no_based_on_found', false, $context['to_install']['based_on']);
  272. }
  273. unset($context['to_install']['based_on']);
  274. }
  275. // Find the newest id_theme.
  276. $result = $smcFunc['db_query']('', '
  277. SELECT MAX(id_theme)
  278. FROM {db_prefix}themes',
  279. array(
  280. )
  281. );
  282. list ($id_theme) = $smcFunc['db_fetch_row']($result);
  283. $smcFunc['db_free_result']($result);
  284. // This will be theme number...
  285. $id_theme++;
  286. $inserts = array();
  287. foreach ($context['to_install'] as $var => $val)
  288. $inserts[] = array($id_theme, $var, $val);
  289. if (!empty($inserts))
  290. $smcFunc['db_insert']('insert',
  291. '{db_prefix}themes',
  292. array('id_theme' => 'int', 'variable' => 'string-255', 'value' => 'string-65534'),
  293. $inserts,
  294. array('id_theme', 'variable')
  295. );
  296. updateSettings(array('knownThemes' => strtr($modSettings['knownThemes'] . ',' . $id_theme, array(',,' => ','))));
  297. return $id_theme;
  298. }
  299. function remove_dir($path)
  300. {
  301. if (empty($path))
  302. return false;
  303. if (is_dir($path))
  304. {
  305. $objects = scandir($path);
  306. foreach ($objects as $object)
  307. if ($object != '.' && $object != '..')
  308. {
  309. if (filetype($path .'/'. $object) == 'dir')
  310. remove_dir($path .'/'.$object);
  311. else
  312. unlink($path .'/'. $object);
  313. }
  314. }
  315. reset($objects);
  316. rmdir($path);
  317. }
  318. function remove_theme($themeID)
  319. {
  320. global $smcFunc, $modSetting;
  321. if (empty($themeID))
  322. return false;
  323. $known = explode(',', $modSettings['knownThemes']);
  324. // Remove it from the list of known themes.
  325. for ($i = 0, $n = count($known); $i < $n; $i++)
  326. if ($known[$i] == $themeID)
  327. unset($known[$i]);
  328. // Remove it from the themes table.
  329. $smcFunc['db_query']('', '
  330. DELETE FROM {db_prefix}themes
  331. WHERE id_theme = {int:current_theme}',
  332. array(
  333. 'current_theme' => $themeID,
  334. )
  335. );
  336. // Update users preferences.
  337. $smcFunc['db_query']('', '
  338. UPDATE {db_prefix}members
  339. SET id_theme = {int:default_theme}
  340. WHERE id_theme = {int:current_theme}',
  341. array(
  342. 'default_theme' => 0,
  343. 'current_theme' => $themeID,
  344. )
  345. );
  346. // Some boards may have it as preferred theme.
  347. $smcFunc['db_query']('', '
  348. UPDATE {db_prefix}boards
  349. SET id_theme = {int:default_theme}
  350. WHERE id_theme = {int:current_theme}',
  351. array(
  352. 'default_theme' => 0,
  353. 'current_theme' => $themeID,
  354. )
  355. );
  356. $known = strtr(implode(',', $known), array(',,' => ','));
  357. // Fix it if the theme was the overall default theme.
  358. if ($modSettings['theme_guests'] == $themeID)
  359. updateSettings(array('theme_guests' => '1', 'knownThemes' => $known));
  360. else
  361. updateSettings(array('knownThemes' => $known));
  362. return true;
  363. }
  364. ?>