Verzeichnisstruktur phpBB-3.1.0
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- 27.10.2014
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functions_module.php
0001 <?php
0002 /**
0003 *
0004 * This file is part of the phpBB Forum Software package.
0005 *
0006 * @copyright (c) phpBB Limited <https://www.phpbb.com>
0007 * @license GNU General Public License, version 2 (GPL-2.0)
0008 *
0009 * For full copyright and license information, please see
0010 * the docs/CREDITS.txt file.
0011 *
0012 */
0013
0014 /**
0015 * @ignore
0016 */
0017 if (!defined('IN_PHPBB'))
0018 {
0019 exit;
0020 }
0021
0022 /**
0023 * Class handling all types of 'plugins' (a future term)
0024 */
0025 class p_master
0026 {
0027 var $p_id;
0028 var $p_class;
0029 var $p_name;
0030 var $p_mode;
0031 var $p_parent;
0032
0033 var $include_path = false;
0034 var $active_module = false;
0035 var $active_module_row_id = false;
0036 var $acl_forum_id = false;
0037 var $module_ary = array();
0038
0039 /**
0040 * Constuctor
0041 * Set module include path
0042 */
0043 function p_master($include_path = false)
0044 {
0045 global $phpbb_root_path;
0046
0047 $this->include_path = ($include_path !== false) ? $include_path : $phpbb_root_path . 'includes/';
0048
0049 // Make sure the path ends with /
0050 if (substr($this->include_path, -1) !== '/')
0051 {
0052 $this->include_path .= '/';
0053 }
0054 }
0055
0056 /**
0057 * Set custom include path for modules
0058 * Schema for inclusion is include_path . modulebase
0059 *
0060 * @param string $include_path include path to be used.
0061 * @access public
0062 */
0063 function set_custom_include_path($include_path)
0064 {
0065 $this->include_path = $include_path;
0066
0067 // Make sure the path ends with /
0068 if (substr($this->include_path, -1) !== '/')
0069 {
0070 $this->include_path .= '/';
0071 }
0072 }
0073
0074 /**
0075 * List modules
0076 *
0077 * This creates a list, stored in $this->module_ary of all available
0078 * modules for the given class (ucp, mcp and acp). Additionally
0079 * $this->module_y_ary is created with indentation information for
0080 * displaying the module list appropriately. Only modules for which
0081 * the user has access rights are included in these lists.
0082 */
0083 function list_modules($p_class)
0084 {
0085 global $auth, $db, $user, $cache;
0086 global $config, $phpbb_root_path, $phpEx, $phpbb_dispatcher;
0087
0088 // Sanitise for future path use, it's escaped as appropriate for queries
0089 $this->p_class = str_replace(array('.', '/', '\\'), '', basename($p_class));
0090
0091 // Get cached modules
0092 if (($this->module_cache = $cache->get('_modules_' . $this->p_class)) === false)
0093 {
0094 // Get modules
0095 $sql = 'SELECT *
0096 FROM ' . MODULES_TABLE . "
0097 WHERE module_class = '" . $db->sql_escape($this->p_class) . "'
0098 ORDER BY left_id ASC";
0099 $result = $db->sql_query($sql);
0100
0101 $rows = array();
0102 while ($row = $db->sql_fetchrow($result))
0103 {
0104 $rows[$row['module_id']] = $row;
0105 }
0106 $db->sql_freeresult($result);
0107
0108 $this->module_cache = array();
0109 foreach ($rows as $module_id => $row)
0110 {
0111 $this->module_cache['modules'][] = $row;
0112 $this->module_cache['parents'][$row['module_id']] = $this->get_parents($row['parent_id'], $row['left_id'], $row['right_id'], $rows);
0113 }
0114 unset($rows);
0115
0116 $cache->put('_modules_' . $this->p_class, $this->module_cache);
0117 }
0118
0119 if (empty($this->module_cache))
0120 {
0121 $this->module_cache = array('modules' => array(), 'parents' => array());
0122 }
0123
0124 // We "could" build a true tree with this function - maybe mod authors want to use this...
0125 // Functions for traversing and manipulating the tree are not available though
0126 // We might re-structure the module system to use true trees in 3.2.x...
0127 // $tree = $this->build_tree($this->module_cache['modules'], $this->module_cache['parents']);
0128
0129 // Clean up module cache array to only let survive modules the user can access
0130 $right_id = false;
0131
0132 $hide_categories = array();
0133 foreach ($this->module_cache['modules'] as $key => $row)
0134 {
0135 // When the module has no mode (category) we check whether it has visible children
0136 // before listing it as well.
0137 if (!$row['module_mode'])
0138 {
0139 $hide_categories[(int) $row['module_id']] = $key;
0140 }
0141
0142 // Not allowed to view module?
0143 if (!$this->module_auth_self($row['module_auth']))
0144 {
0145 unset($this->module_cache['modules'][$key]);
0146 continue;
0147 }
0148
0149 // Category with no members, ignore
0150 if (!$row['module_basename'] && ($row['left_id'] + 1 == $row['right_id']))
0151 {
0152 unset($this->module_cache['modules'][$key]);
0153 continue;
0154 }
0155
0156 // Skip branch
0157 if ($right_id !== false)
0158 {
0159 if ($row['left_id'] < $right_id)
0160 {
0161 unset($this->module_cache['modules'][$key]);
0162 continue;
0163 }
0164
0165 $right_id = false;
0166 }
0167
0168 // Not enabled?
0169 if (!$row['module_enabled'])
0170 {
0171 // If category is disabled then disable every child too
0172 unset($this->module_cache['modules'][$key]);
0173 $right_id = $row['right_id'];
0174 continue;
0175 }
0176
0177 if ($row['module_mode'])
0178 {
0179 // The parent category has a visible child
0180 // So remove it and all its parents from the hide array
0181 unset($hide_categories[(int) $row['parent_id']]);
0182 foreach ($this->module_cache['parents'][$row['module_id']] as $module_id => $row_id)
0183 {
0184 unset($hide_categories[$module_id]);
0185 }
0186 }
0187 }
0188
0189 foreach ($hide_categories as $module_id => $row_id)
0190 {
0191 unset($this->module_cache['modules'][$row_id]);
0192 }
0193
0194 // Re-index (this is needed, else we are not able to array_slice later)
0195 $this->module_cache['modules'] = array_merge($this->module_cache['modules']);
0196
0197 // Include MOD _info files for populating language entries within the menus
0198 $this->add_mod_info($this->p_class);
0199
0200 // Now build the module array, but exclude completely empty categories...
0201 $right_id = false;
0202 $names = array();
0203
0204 foreach ($this->module_cache['modules'] as $key => $row)
0205 {
0206 // Skip branch
0207 if ($right_id !== false)
0208 {
0209 if ($row['left_id'] < $right_id)
0210 {
0211 continue;
0212 }
0213
0214 $right_id = false;
0215 }
0216
0217 // Category with no members on their way down (we have to check every level)
0218 if (!$row['module_basename'])
0219 {
0220 $empty_category = true;
0221
0222 // We go through the branch and look for an activated module
0223 foreach (array_slice($this->module_cache['modules'], $key + 1) as $temp_row)
0224 {
0225 if ($temp_row['left_id'] > $row['left_id'] && $temp_row['left_id'] < $row['right_id'])
0226 {
0227 // Module there
0228 if ($temp_row['module_basename'] && $temp_row['module_enabled'])
0229 {
0230 $empty_category = false;
0231 break;
0232 }
0233 continue;
0234 }
0235 break;
0236 }
0237
0238 // Skip the branch
0239 if ($empty_category)
0240 {
0241 $right_id = $row['right_id'];
0242 continue;
0243 }
0244 }
0245
0246 $depth = sizeof($this->module_cache['parents'][$row['module_id']]);
0247
0248 // We need to prefix the functions to not create a naming conflict
0249
0250 // Function for building 'url_extra'
0251 $short_name = $this->get_short_name($row['module_basename']);
0252
0253 $url_func = 'phpbb_module_' . $short_name . '_url';
0254 if (!function_exists($url_func))
0255 {
0256 $url_func = '_module_' . $short_name . '_url';
0257 }
0258
0259 // Function for building the language name
0260 $lang_func = 'phpbb_module_' . $short_name . '_lang';
0261 if (!function_exists($lang_func))
0262 {
0263 $lang_func = '_module_' . $short_name . '_lang';
0264 }
0265
0266 // Custom function for calling parameters on module init (for example assigning template variables)
0267 $custom_func = 'phpbb_module_' . $short_name;
0268 if (!function_exists($custom_func))
0269 {
0270 $custom_func = '_module_' . $short_name;
0271 }
0272
0273 $names[$row['module_basename'] . '_' . $row['module_mode']][] = true;
0274
0275 $module_row = array(
0276 'depth' => $depth,
0277
0278 'id' => (int) $row['module_id'],
0279 'parent' => (int) $row['parent_id'],
0280 'cat' => ($row['right_id'] > $row['left_id'] + 1) ? true : false,
0281
0282 'is_duplicate' => ($row['module_basename'] && sizeof($names[$row['module_basename'] . '_' . $row['module_mode']]) > 1) ? true : false,
0283
0284 'name' => (string) $row['module_basename'],
0285 'mode' => (string) $row['module_mode'],
0286 'display' => (int) $row['module_display'],
0287
0288 'url_extra' => (function_exists($url_func)) ? $url_func($row['module_mode'], $row) : '',
0289
0290 'lang' => ($row['module_basename'] && function_exists($lang_func)) ? $lang_func($row['module_mode'], $row['module_langname']) : ((!empty($user->lang[$row['module_langname']])) ? $user->lang[$row['module_langname']] : $row['module_langname']),
0291 'langname' => $row['module_langname'],
0292
0293 'left' => $row['left_id'],
0294 'right' => $row['right_id'],
0295 );
0296
0297 if (function_exists($custom_func))
0298 {
0299 $custom_func($row['module_mode'], $module_row);
0300 }
0301
0302 /**
0303 * This event allows to modify parameters for building modules list
0304 *
0305 * @event core.modify_module_row
0306 * @var string url_func Function for building 'url_extra'
0307 * @var string lang_func Function for building the language name
0308 * @var string custom_func Custom function for calling parameters on module init
0309 * @var array row Array holding the basic module data
0310 * @var array module_row Array holding the module display parameters
0311 * @since 3.1.0-b3
0312 */
0313 $vars = array('url_func', 'lang_func', 'custom_func', 'row', 'module_row');
0314 extract($phpbb_dispatcher->trigger_event('core.modify_module_row', compact($vars)));
0315
0316 $this->module_ary[] = $module_row;
0317 }
0318
0319 unset($this->module_cache['modules'], $names);
0320 }
0321
0322 /**
0323 * Check if a certain main module is accessible/loaded
0324 * By giving the module mode you are able to additionally check for only one mode within the main module
0325 *
0326 * @param string $module_basename The module base name, for example logs, reports, main (for the mcp).
0327 * @param mixed $module_mode The module mode to check. If provided the mode will be checked in addition for presence.
0328 *
0329 * @return bool Returns true if module is loaded and accessible, else returns false
0330 */
0331 function loaded($module_basename, $module_mode = false)
0332 {
0333 if (!$this->is_full_class($module_basename))
0334 {
0335 $module_basename = $this->p_class . '_' . $module_basename;
0336 }
0337
0338 if (empty($this->loaded_cache))
0339 {
0340 $this->loaded_cache = array();
0341
0342 foreach ($this->module_ary as $row)
0343 {
0344 if (!$row['name'])
0345 {
0346 continue;
0347 }
0348
0349 if (!isset($this->loaded_cache[$row['name']]))
0350 {
0351 $this->loaded_cache[$row['name']] = array();
0352 }
0353
0354 if (!$row['mode'])
0355 {
0356 continue;
0357 }
0358
0359 $this->loaded_cache[$row['name']][$row['mode']] = true;
0360 }
0361 }
0362
0363 if ($module_mode === false)
0364 {
0365 return (isset($this->loaded_cache[$module_basename])) ? true : false;
0366 }
0367
0368 return (!empty($this->loaded_cache[$module_basename][$module_mode])) ? true : false;
0369 }
0370
0371 /**
0372 * Check module authorisation.
0373 *
0374 * This is a non-static version that uses $this->acl_forum_id
0375 * for the forum id.
0376 */
0377 function module_auth_self($module_auth)
0378 {
0379 return self::module_auth($module_auth, $this->acl_forum_id);
0380 }
0381
0382 /**
0383 * Check module authorisation.
0384 *
0385 * This is a static version, it must be given $forum_id.
0386 * See also module_auth_self.
0387 */
0388 static function module_auth($module_auth, $forum_id)
0389 {
0390 global $auth, $config;
0391 global $request, $phpbb_extension_manager, $phpbb_dispatcher;
0392
0393 $module_auth = trim($module_auth);
0394
0395 // Generally allowed to access module if module_auth is empty
0396 if (!$module_auth)
0397 {
0398 return true;
0399 }
0400
0401 // With the code below we make sure only those elements get eval'd we really want to be checked
0402 preg_match_all('/(?:
0403 "[^"\\\\]*(?:\\\\.[^"\\\\]*)*" |
0404 \'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\' |
0405 [(),] |
0406 [^\s(),]+)/x', $module_auth, $match);
0407
0408 // Valid tokens for auth and their replacements
0409 $valid_tokens = array(
0410 'acl_([a-z0-9_]+)(,\$id)?' => '(int) $auth->acl_get(\'\\1\'\\2)',
0411 '\$id' => '(int) $forum_id',
0412 'aclf_([a-z0-9_]+)' => '(int) $auth->acl_getf_global(\'\\1\')',
0413 'cfg_([a-z0-9_]+)' => '(int) $config[\'\\1\']',
0414 'request_([a-zA-Z0-9_]+)' => '$request->variable(\'\\1\', false)',
0415 'ext_([a-zA-Z0-9_/]+)' => 'array_key_exists(\'\\1\', $phpbb_extension_manager->all_enabled())',
0416 'authmethod_([a-z0-9_\\\\]+)' => '($config[\'auth_method\'] === \'\\1\')',
0417 );
0418
0419 /**
0420 * Alter tokens for module authorisation check
0421 *
0422 * @event core.module_auth
0423 * @var array valid_tokens Valid tokens and their auth check
0424 * replacements
0425 * @var string module_auth The module_auth of the current
0426 * module
0427 * @var int forum_id The current forum_id
0428 * @since 3.1.0-a3
0429 */
0430 $vars = array('valid_tokens', 'module_auth', 'forum_id');
0431 extract($phpbb_dispatcher->trigger_event('core.module_auth', compact($vars)));
0432
0433 $tokens = $match[0];
0434 for ($i = 0, $size = sizeof($tokens); $i < $size; $i++)
0435 {
0436 $token = &$tokens[$i];
0437
0438 switch ($token)
0439 {
0440 case ')':
0441 case '(':
0442 case '&&':
0443 case '||':
0444 case ',':
0445 break;
0446
0447 default:
0448 if (!preg_match('#(?:' . implode(array_keys($valid_tokens), ')|(?:') . ')#', $token))
0449 {
0450 $token = '';
0451 }
0452 break;
0453 }
0454 }
0455
0456 $module_auth = implode(' ', $tokens);
0457
0458 // Make sure $id separation is working fine
0459 $module_auth = str_replace(' , ', ',', $module_auth);
0460
0461 $module_auth = preg_replace(
0462 // Array keys with # prepended/appended
0463 array_map(function($value) {
0464 return '#' . $value . '#';
0465 }, array_keys($valid_tokens)),
0466 array_values($valid_tokens),
0467 $module_auth
0468 );
0469
0470 $is_auth = false;
0471 // @codingStandardsIgnoreStart
0472 eval('$is_auth = (int) (' . $module_auth . ');');
0473 // @codingStandardsIgnoreEnd
0474
0475 return $is_auth;
0476 }
0477
0478 /**
0479 * Set active module
0480 */
0481 function set_active($id = false, $mode = false)
0482 {
0483 $icat = false;
0484 $this->active_module = false;
0485
0486 if (request_var('icat', ''))
0487 {
0488 $icat = $id;
0489 $id = request_var('icat', '');
0490 }
0491
0492 // Restore the backslashes in class names
0493 if (strpos($id, '-') !== false)
0494 {
0495 $id = str_replace('-', '\\', $id);
0496 }
0497
0498 if ($id && !is_numeric($id) && !$this->is_full_class($id))
0499 {
0500 $id = $this->p_class . '_' . $id;
0501 }
0502
0503 $category = false;
0504 foreach ($this->module_ary as $row_id => $item_ary)
0505 {
0506 // If this is a module and it's selected, active
0507 // If this is a category and the module is the first within it, active
0508 // If this is a module and no mode selected, select first mode
0509 // If no category or module selected, go active for first module in first category
0510 if (
0511 (($item_ary['name'] === $id || $item_ary['name'] === $this->p_class . '_' . $id || $item_ary['id'] === (int) $id) && (($item_ary['mode'] == $mode && !$item_ary['cat']) || ($icat && $item_ary['cat']))) ||
0512 ($item_ary['parent'] === $category && !$item_ary['cat'] && !$icat && $item_ary['display']) ||
0513 (($item_ary['name'] === $id || $item_ary['name'] === $this->p_class . '_' . $id || $item_ary['id'] === (int) $id) && !$mode && !$item_ary['cat']) ||
0514 (!$id && !$mode && !$item_ary['cat'] && $item_ary['display'])
0515 )
0516 {
0517 if ($item_ary['cat'])
0518 {
0519 $id = $icat;
0520 $icat = false;
0521
0522 continue;
0523 }
0524
0525 $this->p_id = $item_ary['id'];
0526 $this->p_parent = $item_ary['parent'];
0527 $this->p_name = $item_ary['name'];
0528 $this->p_mode = $item_ary['mode'];
0529 $this->p_left = $item_ary['left'];
0530 $this->p_right = $item_ary['right'];
0531
0532 $this->module_cache['parents'] = $this->module_cache['parents'][$this->p_id];
0533 $this->active_module = $item_ary['id'];
0534 $this->active_module_row_id = $row_id;
0535
0536 break;
0537 }
0538 else if (($item_ary['cat'] && $item_ary['id'] === (int) $id) || ($item_ary['parent'] === $category && $item_ary['cat']))
0539 {
0540 $category = $item_ary['id'];
0541 }
0542 }
0543 }
0544
0545 /**
0546 * Loads currently active module
0547 *
0548 * This method loads a given module, passing it the relevant id and mode.
0549 *
0550 * @param string|false $mode mode, as passed through to the module
0551 * @param string|false $module_url If supplied, we use this module url
0552 * @param bool $execute_module If true, at the end we execute the main method for the new instance
0553 */
0554 function load_active($mode = false, $module_url = false, $execute_module = true)
0555 {
0556 global $phpbb_root_path, $phpbb_admin_path, $phpEx, $user, $template;
0557
0558 $module_path = $this->include_path . $this->p_class;
0559 $icat = request_var('icat', '');
0560
0561 if ($this->active_module === false)
0562 {
0563 trigger_error('MODULE_NOT_ACCESS', E_USER_ERROR);
0564 }
0565
0566 // new modules use the full class names, old ones are always called <type>_<name>, e.g. acp_board
0567 if (!class_exists($this->p_name))
0568 {
0569 if (!file_exists("$module_path/{$this->p_name}.$phpEx"))
0570 {
0571 trigger_error($user->lang('MODULE_NOT_FIND', "$module_path/{$this->p_name}.$phpEx"), E_USER_ERROR);
0572 }
0573
0574 include("$module_path/{$this->p_name}.$phpEx");
0575
0576 if (!class_exists($this->p_name))
0577 {
0578 trigger_error($user->lang('MODULE_FILE_INCORRECT_CLASS', "$module_path/{$this->p_name}.$phpEx", $this->p_name), E_USER_ERROR);
0579 }
0580 }
0581
0582 if (!empty($mode))
0583 {
0584 $this->p_mode = $mode;
0585 }
0586
0587 // Create a new instance of the desired module ...
0588 $class_name = $this->p_name;
0589
0590 $this->module = new $class_name($this);
0591
0592 // We pre-define the action parameter we are using all over the place
0593 if (defined('IN_ADMIN'))
0594 {
0595 /*
0596 * If this is an extension module, we'll try to automatically set
0597 * the style paths for the extension (the ext author can change them
0598 * if necessary).
0599 */
0600 $module_dir = explode('\\', get_class($this->module));
0601
0602 // 0 vendor, 1 extension name, ...
0603 if (isset($module_dir[1]))
0604 {
0605 $module_style_dir = $phpbb_root_path . 'ext/' . $module_dir[0] . '/' . $module_dir[1] . '/adm/style';
0606
0607 if (is_dir($module_style_dir))
0608 {
0609 $template->set_custom_style(array(
0610 array(
0611 'name' => 'adm',
0612 'ext_path' => 'adm/style/',
0613 ),
0614 ), array($module_style_dir, $phpbb_admin_path . 'style'));
0615 }
0616 }
0617
0618 // Is first module automatically enabled a duplicate and the category not passed yet?
0619 if (!$icat && $this->module_ary[$this->active_module_row_id]['is_duplicate'])
0620 {
0621 $icat = $this->module_ary[$this->active_module_row_id]['parent'];
0622 }
0623
0624 // Not being able to overwrite ;)
0625 $this->module->u_action = append_sid("{$phpbb_admin_path}index.$phpEx", 'i=' . $this->get_module_identifier($this->p_name)) . (($icat) ? '&icat=' . $icat : '') . "&mode={$this->p_mode}";
0626 }
0627 else
0628 {
0629 /*
0630 * If this is an extension module, we'll try to automatically set
0631 * the style paths for the extension (the ext author can change them
0632 * if necessary).
0633 */
0634 $module_dir = explode('\\', get_class($this->module));
0635
0636 // 0 vendor, 1 extension name, ...
0637 if (isset($module_dir[1]))
0638 {
0639 $module_style_dir = 'ext/' . $module_dir[0] . '/' . $module_dir[1] . '/styles';
0640
0641 if (is_dir($phpbb_root_path . $module_style_dir))
0642 {
0643 $template->set_style(array($module_style_dir, 'styles'));
0644 }
0645 }
0646
0647 // If user specified the module url we will use it...
0648 if ($module_url !== false)
0649 {
0650 $this->module->u_action = $module_url;
0651 }
0652 else
0653 {
0654 $this->module->u_action = $phpbb_root_path . (($user->page['page_dir']) ? $user->page['page_dir'] . '/' : '') . $user->page['page_name'];
0655 }
0656
0657 $this->module->u_action = append_sid($this->module->u_action, 'i=' . $this->get_module_identifier($this->p_name)) . (($icat) ? '&icat=' . $icat : '') . "&mode={$this->p_mode}";
0658 }
0659
0660 // Add url_extra parameter to u_action url
0661 if (!empty($this->module_ary) && $this->active_module !== false && $this->module_ary[$this->active_module_row_id]['url_extra'])
0662 {
0663 $this->module->u_action .= $this->module_ary[$this->active_module_row_id]['url_extra'];
0664 }
0665
0666 // Assign the module path for re-usage
0667 $this->module->module_path = $module_path . '/';
0668
0669 // Execute the main method for the new instance, we send the module id and mode as parameters
0670 // Users are able to call the main method after this function to be able to assign additional parameters manually
0671 if ($execute_module)
0672 {
0673 $short_name = preg_replace("#^{$this->p_class}_#", '', $this->p_name);
0674 $this->module->main($short_name, $this->p_mode);
0675 }
0676 }
0677
0678 /**
0679 * Appending url parameter to the currently active module.
0680 *
0681 * This function is called for adding specific url parameters while executing the current module.
0682 * It is doing the same as the _module_{name}_url() function, apart from being able to be called after
0683 * having dynamically parsed specific parameters. This allows more freedom in choosing additional parameters.
0684 * One example can be seen in /includes/mcp/mcp_notes.php - $this->p_master->adjust_url() call.
0685 *
0686 * @param string $url_extra Extra url parameters, e.g.: &u=$user_id
0687 *
0688 */
0689 function adjust_url($url_extra)
0690 {
0691 if (empty($this->module_ary[$this->active_module_row_id]))
0692 {
0693 return;
0694 }
0695
0696 $row = &$this->module_ary[$this->active_module_row_id];
0697
0698 // We check for the same url_extra in $row['url_extra'] to overcome doubled additions...
0699 if (strpos($row['url_extra'], $url_extra) === false)
0700 {
0701 $row['url_extra'] .= $url_extra;
0702 }
0703 }
0704
0705 /**
0706 * Check if a module is active
0707 */
0708 function is_active($id, $mode = false)
0709 {
0710 // If we find a name by this id and being enabled we have our active one...
0711 foreach ($this->module_ary as $row_id => $item_ary)
0712 {
0713 if (($item_ary['name'] === $id || $item_ary['id'] === (int) $id) && $item_ary['display'] || $item_ary['name'] === $this->p_class . '_' . $id)
0714 {
0715 if ($mode === false || $mode === $item_ary['mode'])
0716 {
0717 return true;
0718 }
0719 }
0720 }
0721
0722 return false;
0723 }
0724
0725 /**
0726 * Get parents
0727 */
0728 function get_parents($parent_id, $left_id, $right_id, &$all_parents)
0729 {
0730 global $db;
0731
0732 $parents = array();
0733
0734 if ($parent_id > 0)
0735 {
0736 foreach ($all_parents as $module_id => $row)
0737 {
0738 if ($row['left_id'] < $left_id && $row['right_id'] > $right_id)
0739 {
0740 $parents[$module_id] = $row['parent_id'];
0741 }
0742
0743 if ($row['left_id'] > $left_id)
0744 {
0745 break;
0746 }
0747 }
0748 }
0749
0750 return $parents;
0751 }
0752
0753 /**
0754 * Get tree branch
0755 */
0756 function get_branch($left_id, $right_id, $remaining)
0757 {
0758 $branch = array();
0759
0760 foreach ($remaining as $key => $row)
0761 {
0762 if ($row['left_id'] > $left_id && $row['left_id'] < $right_id)
0763 {
0764 $branch[] = $row;
0765 continue;
0766 }
0767 break;
0768 }
0769
0770 return $branch;
0771 }
0772
0773 /**
0774 * Build true binary tree from given array
0775 * Not in use
0776 */
0777 function build_tree(&$modules, &$parents)
0778 {
0779 $tree = array();
0780
0781 foreach ($modules as $row)
0782 {
0783 $branch = &$tree;
0784
0785 if ($row['parent_id'])
0786 {
0787 // Go through the tree to find our branch
0788 $parent_tree = $parents[$row['module_id']];
0789
0790 foreach ($parent_tree as $id => $value)
0791 {
0792 if (!isset($branch[$id]) && isset($branch['child']))
0793 {
0794 $branch = &$branch['child'];
0795 }
0796 $branch = &$branch[$id];
0797 }
0798 $branch = &$branch['child'];
0799 }
0800
0801 $branch[$row['module_id']] = $row;
0802 if (!isset($branch[$row['module_id']]['child']))
0803 {
0804 $branch[$row['module_id']]['child'] = array();
0805 }
0806 }
0807
0808 return $tree;
0809 }
0810
0811 /**
0812 * Build navigation structure
0813 */
0814 function assign_tpl_vars($module_url)
0815 {
0816 global $template;
0817
0818 $current_id = $right_id = false;
0819
0820 // Make sure the module_url has a question mark set, effectively determining the delimiter to use
0821 $delim = (strpos($module_url, '?') === false) ? '?' : '&';
0822
0823 $current_padding = $current_depth = 0;
0824 $linear_offset = 'l_block1';
0825 $tabular_offset = 't_block2';
0826
0827 // Generate the list of modules, we'll do this in two ways ...
0828 // 1) In a linear fashion
0829 // 2) In a combined tabbed + linear fashion ... tabs for the categories
0830 // and a linear list for subcategories/items
0831 foreach ($this->module_ary as $row_id => $item_ary)
0832 {
0833 // Skip hidden modules
0834 if (!$item_ary['display'])
0835 {
0836 continue;
0837 }
0838
0839 // Skip branch
0840 if ($right_id !== false)
0841 {
0842 if ($item_ary['left'] < $right_id)
0843 {
0844 continue;
0845 }
0846
0847 $right_id = false;
0848 }
0849
0850 // Category with no members on their way down (we have to check every level)
0851 if (!$item_ary['name'])
0852 {
0853 $empty_category = true;
0854
0855 // We go through the branch and look for an activated module
0856 foreach (array_slice($this->module_ary, $row_id + 1) as $temp_row)
0857 {
0858 if ($temp_row['left'] > $item_ary['left'] && $temp_row['left'] < $item_ary['right'])
0859 {
0860 // Module there and displayed?
0861 if ($temp_row['name'] && $temp_row['display'])
0862 {
0863 $empty_category = false;
0864 break;
0865 }
0866 continue;
0867 }
0868 break;
0869 }
0870
0871 // Skip the branch
0872 if ($empty_category)
0873 {
0874 $right_id = $item_ary['right'];
0875 continue;
0876 }
0877 }
0878
0879 // Select first id we can get
0880 if (!$current_id && (isset($this->module_cache['parents'][$item_ary['id']]) || $item_ary['id'] == $this->p_id))
0881 {
0882 $current_id = $item_ary['id'];
0883 }
0884
0885 $depth = $item_ary['depth'];
0886
0887 if ($depth > $current_depth)
0888 {
0889 $linear_offset = $linear_offset . '.l_block' . ($depth + 1);
0890 $tabular_offset = ($depth + 1 > 2) ? $tabular_offset . '.t_block' . ($depth + 1) : $tabular_offset;
0891 }
0892 else if ($depth < $current_depth)
0893 {
0894 for ($i = $current_depth - $depth; $i > 0; $i--)
0895 {
0896 $linear_offset = substr($linear_offset, 0, strrpos($linear_offset, '.'));
0897 $tabular_offset = ($i + $depth > 1) ? substr($tabular_offset, 0, strrpos($tabular_offset, '.')) : $tabular_offset;
0898 }
0899 }
0900
0901 $u_title = $module_url . $delim . 'i=';
0902 // if the item has a name use it, else use its id
0903 if (empty($item_ary['name']))
0904 {
0905 $u_title .= $item_ary['id'];
0906 }
0907 else
0908 {
0909 // if the category has a name, then use it.
0910 $u_title .= $this->get_module_identifier($item_ary['name']);
0911 }
0912 // If the item is not a category append the mode
0913 if (!$item_ary['cat'])
0914 {
0915 if ($item_ary['is_duplicate'])
0916 {
0917 $u_title .= '&icat=' . $current_id;
0918 }
0919 $u_title .= '&mode=' . $item_ary['mode'];
0920 }
0921
0922 // Was not allowed in categories before - /*!$item_ary['cat'] && */
0923 $u_title .= (isset($item_ary['url_extra'])) ? $item_ary['url_extra'] : '';
0924
0925 // Only output a categories items if it's currently selected
0926 if (!$depth || ($depth && (in_array($item_ary['parent'], array_values($this->module_cache['parents'])) || $item_ary['parent'] == $this->p_parent)))
0927 {
0928 $use_tabular_offset = (!$depth) ? 't_block1' : $tabular_offset;
0929
0930 $tpl_ary = array(
0931 'L_TITLE' => $item_ary['lang'],
0932 'S_SELECTED' => (isset($this->module_cache['parents'][$item_ary['id']]) || $item_ary['id'] == $this->p_id) ? true : false,
0933 'U_TITLE' => $u_title
0934 );
0935
0936 $template->assign_block_vars($use_tabular_offset, array_merge($tpl_ary, array_change_key_case($item_ary, CASE_UPPER)));
0937 }
0938
0939 $tpl_ary = array(
0940 'L_TITLE' => $item_ary['lang'],
0941 'S_SELECTED' => (isset($this->module_cache['parents'][$item_ary['id']]) || $item_ary['id'] == $this->p_id) ? true : false,
0942 'U_TITLE' => $u_title
0943 );
0944
0945 $template->assign_block_vars($linear_offset, array_merge($tpl_ary, array_change_key_case($item_ary, CASE_UPPER)));
0946
0947 $current_depth = $depth;
0948 }
0949 }
0950
0951 /**
0952 * Returns desired template name
0953 */
0954 function get_tpl_name()
0955 {
0956 return $this->module->tpl_name . '.html';
0957 }
0958
0959 /**
0960 * Returns the desired page title
0961 */
0962 function get_page_title()
0963 {
0964 global $user;
0965
0966 if (!isset($this->module->page_title))
0967 {
0968 return '';
0969 }
0970
0971 return (isset($user->lang[$this->module->page_title])) ? $user->lang[$this->module->page_title] : $this->module->page_title;
0972 }
0973
0974 /**
0975 * Load module as the current active one without the need for registering it
0976 *
0977 * @param string $class module class (acp/mcp/ucp)
0978 * @param string $name module name (class name of the module, or its basename
0979 * phpbb_ext_foo_acp_bar_module, ucp_zebra or zebra)
0980 * @param string $mode mode, as passed through to the module
0981 *
0982 */
0983 function load($class, $name, $mode = false)
0984 {
0985 // new modules use the full class names, old ones are always called <class>_<name>, e.g. acp_board
0986 // in the latter case this function may be called as load('acp', 'board')
0987 if (!class_exists($name) && substr($name, 0, strlen($class) + 1) !== $class . '_')
0988 {
0989 $name = $class . '_' . $name;
0990 }
0991
0992 $this->p_class = $class;
0993 $this->p_name = $name;
0994
0995 // Set active module to true instead of using the id
0996 $this->active_module = true;
0997
0998 $this->load_active($mode);
0999 }
1000
1001 /**
1002 * Display module
1003 */
1004 function display($page_title, $display_online_list = false)
1005 {
1006 global $template, $user;
1007
1008 // Generate the page
1009 if (defined('IN_ADMIN') && isset($user->data['session_admin']) && $user->data['session_admin'])
1010 {
1011 adm_page_header($page_title);
1012 }
1013 else
1014 {
1015 page_header($page_title, $display_online_list);
1016 }
1017
1018 $template->set_filenames(array(
1019 'body' => $this->get_tpl_name())
1020 );
1021
1022 if (defined('IN_ADMIN') && isset($user->data['session_admin']) && $user->data['session_admin'])
1023 {
1024 adm_page_footer();
1025 }
1026 else
1027 {
1028 page_footer();
1029 }
1030 }
1031
1032 /**
1033 * Toggle whether this module will be displayed or not
1034 */
1035 function set_display($id, $mode = false, $display = true)
1036 {
1037 foreach ($this->module_ary as $row_id => $item_ary)
1038 {
1039 if (($item_ary['name'] === $id || $item_ary['name'] === $this->p_class . '_' . $id || $item_ary['id'] === (int) $id) && (!$mode || $item_ary['mode'] === $mode))
1040 {
1041 $this->module_ary[$row_id]['display'] = (int) $display;
1042 }
1043 }
1044 }
1045
1046 /**
1047 * Add custom MOD info language file
1048 */
1049 function add_mod_info($module_class)
1050 {
1051 global $config, $user, $phpEx, $phpbb_extension_manager;
1052
1053 $finder = $phpbb_extension_manager->get_finder();
1054
1055 // We grab the language files from the default, English and user's language.
1056 // So we can fall back to the other files like we do when using add_lang()
1057 $default_lang_files = $english_lang_files = $user_lang_files = array();
1058
1059 // Search for board default language if it's not the user language
1060 if ($config['default_lang'] != $user->lang_name)
1061 {
1062 $default_lang_files = $finder
1063 ->prefix('info_' . strtolower($module_class) . '_')
1064 ->suffix(".$phpEx")
1065 ->extension_directory('/language/' . basename($config['default_lang']))
1066 ->core_path('language/' . basename($config['default_lang']) . '/mods/')
1067 ->find();
1068 }
1069
1070 // Search for english, if its not the default or user language
1071 if ($config['default_lang'] != 'en' && $user->lang_name != 'en')
1072 {
1073 $english_lang_files = $finder
1074 ->prefix('info_' . strtolower($module_class) . '_')
1075 ->suffix(".$phpEx")
1076 ->extension_directory('/language/en')
1077 ->core_path('language/en/mods/')
1078 ->find();
1079 }
1080
1081 // Find files in the user's language
1082 $user_lang_files = $finder
1083 ->prefix('info_' . strtolower($module_class) . '_')
1084 ->suffix(".$phpEx")
1085 ->extension_directory('/language/' . $user->lang_name)
1086 ->core_path('language/' . $user->lang_name . '/mods/')
1087 ->find();
1088
1089 $lang_files = array_unique(array_merge($user_lang_files, $english_lang_files, $default_lang_files));
1090 foreach ($lang_files as $lang_file => $ext_name)
1091 {
1092 $user->add_lang_ext($ext_name, $lang_file);
1093 }
1094 }
1095
1096 /**
1097 * Retrieve shortened module basename for legacy basenames (with xcp_ prefix)
1098 *
1099 * @param string $basename A module basename
1100 * @return string The basename if it starts with phpbb_ or the basename with
1101 * the current p_class (e.g. acp_) stripped.
1102 */
1103 protected function get_short_name($basename)
1104 {
1105 if (substr($basename, 0, 6) === 'phpbb\\' || strpos($basename, '\\') !== false)
1106 {
1107 return $basename;
1108 }
1109
1110 // strip xcp_ prefix from old classes
1111 return substr($basename, strlen($this->p_class) + 1);
1112 }
1113
1114 /**
1115 * If the basename contains a \ we don't use that for the URL.
1116 *
1117 * Firefox is currently unable to correctly copy a urlencoded \
1118 * so users will be unable to post links to modules.
1119 * However we can replace them with dashes and re-replace them later
1120 *
1121 * @param string $basename Basename of the module
1122 * @return string Identifier that should be used for
1123 * module link creation
1124 */
1125 protected function get_module_identifier($basename)
1126 {
1127 if (strpos($basename, '\\') === false)
1128 {
1129 return $basename;
1130 }
1131
1132 return str_replace('\\', '-', $basename);
1133 }
1134
1135 /**
1136 * Checks whether the given module basename is a correct class name
1137 *
1138 * @param string $basename A module basename
1139 * @return bool True if the basename starts with phpbb_ or (x)cp_, false otherwise
1140 */
1141 protected function is_full_class($basename)
1142 {
1143 return (strpos($basename, '\\') !== false || preg_match('/^(ucp|mcp|acp)_/', $basename));
1144 }
1145 }
1146