| 1 |
<?php |
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/** |
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* Query protection routines. |
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* |
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* Copyright: © 2009-2011 |
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* {@link http://www.websharks-inc.com/ WebSharks, Inc.} |
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* ( coded in the USA ) |
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* |
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* Released under the terms of the GNU General Public License. |
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* You should have received a copy of the GNU General Public License, |
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* along with this software. In the main directory, see: /licensing/ |
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* If not, see: {@link http://www.gnu.org/licenses/}. |
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* |
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* @package s2Member\Queries |
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* @since 3.5 |
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*/ |
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if (realpath (__FILE__) === realpath ($_SERVER["SCRIPT_FILENAME"])) |
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exit ("Do not access this file directly."); |
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/**/ |
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if (!class_exists ("c_ws_plugin__s2member_querys")) |
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{ |
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/** |
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* Query protection routines. |
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* |
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* @package s2Member\Queries |
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* @since 3.5 |
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*/ |
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class c_ws_plugin__s2member_querys |
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{ |
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/** |
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* The current WordPress® query object reference. |
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* |
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* @package s2Member\Queries |
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* @since 110912 |
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* |
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* @var null|obj |
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*/ |
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static $current_wp_query; |
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/** |
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* Forces query Filters *( on-demand )*. |
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* |
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* s2Member respects the query var: `suppress_filters`. |
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* If you need to make a query without it being Filtered, use ``$wp_query->set ("suppress_filters", true);``. |
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* |
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* @package s2Member\Queries |
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* @since 3.5 |
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* |
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* @attaches-to ``add_action("pre_get_posts");`` |
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* |
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* @param obj $wp_query Expects ``$wp_query`` by reference. |
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* @return null |
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*/ |
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public static function force_query_level_access (&$wp_query = FALSE) |
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{ |
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eval ('foreach(array_keys(get_defined_vars())as$__v)$__refs[$__v]=&$$__v;'); |
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do_action ("ws_plugin__s2member_before_force_query_level_access", get_defined_vars ()); |
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unset ($__refs, $__v); /* Unset defined __refs, __v. */ |
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/**/ |
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c_ws_plugin__s2member_querys::query_level_access ($wp_query, true); |
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/**/ |
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eval ('foreach(array_keys(get_defined_vars())as$__v)$__refs[$__v]=&$$__v;'); |
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do_action ("ws_plugin__s2member_after_force_query_level_access", get_defined_vars ()); |
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unset ($__refs, $__v); /* Unset defined __refs, __v. */ |
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/**/ |
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return; /* For uniformity. */ |
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} |
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/** |
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* Filter all WordPress® queries. |
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* |
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* s2Member respects the query var: `suppress_filters`. |
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* If you need to make a query without it being Filtered, use ``$wp_query->set ("suppress_filters", true);``. |
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* |
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* @package s2Member\Queries |
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* @since 3.5 |
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* |
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* @attaches-to ``add_action("pre_get_posts");`` |
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* |
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* @param obj $wp_query Expects ``$wp_query`` by reference, from the Filter. |
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* @param bool $force Optional. Defaults to false. If true, we bypass all standard conditions. |
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* However, s2Member will NEVER bypass `supress_filters`. |
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* @return null |
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*/ |
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public static function query_level_access (&$wp_query = FALSE, $force = FALSE) |
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{ |
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global $wpdb; /* Global database object reference. */ |
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static $initial_query = true; /* Tracks initial query. */ |
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c_ws_plugin__s2member_querys::$current_wp_query = &$wp_query; |
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/**/ |
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eval ('foreach(array_keys(get_defined_vars())as$__v)$__refs[$__v]=&$$__v;'); |
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do_action ("ws_plugin__s2member_before_query_level_access", get_defined_vars ()); |
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unset ($__refs, $__v); /* Unset defined __refs, __v. */ |
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/**/ |
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c_ws_plugin__s2member_querys::_query_level_access_sys ($wp_query); /* Systematics. */ |
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/**/ |
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remove_filter ("comment_feed_where", "c_ws_plugin__s2member_querys::_query_level_access_coms", 100, 2); |
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remove_filter ("wp_get_nav_menu_items", "c_ws_plugin__s2member_querys::_query_level_access_navs", 100); |
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/**/ |
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if (is_object ($wpdb) && is_object ($wp_query) && (($o = $GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["filter_wp_query"]) || $force)) |
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{ |
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if (!is_admin () || c_ws_plugin__s2member_querys::_is_admin_ajax_search ($wp_query)) |
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{ |
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$suppressing_filters = $wp_query->get ("suppress_filters"); /* Filter suppression on? */ |
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if (!$suppressing_filters && $force /* Forcing this routine bypasses all of these other conditionals. Works with API function ``attach_s2member_query_filters()``. */ |
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|| (!$suppressing_filters && in_array ("all", $o) && !($initial_query && $wp_query->is_singular ())) /* Don't create 404 errors. Allow Security Gate to handle these. */ |
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|| (!$suppressing_filters && (in_array ("all", $o) || in_array ("searches", $o)) && $wp_query->is_search ()) /* Or, is this a search results query, possibly via AJAX: `admin-ajax.php`? */ |
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|| (!$suppressing_filters && (in_array ("all", $o) || in_array ("feeds", $o)) && $wp_query->is_feed () && !$wp_query->is_comment_feed ()) /* Or, is this a feed; and it's NOT for comments? */ |
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|| (!$suppressing_filters && (in_array ("all", $o) || in_array ("comment-feeds", $o)) && $wp_query->is_feed () && $wp_query->is_comment_feed ()) /* Or, is this a feed; and it IS indeed for comments? */ |
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|| (($suppressing_filters !== "n/a") && (in_array ("all", $o) || in_array ("nav-menus", $o)) && in_array ("wp_get_nav_menu_items", ($callers = (isset ($callers) ? $callers : c_ws_plugin__s2member_utilities::callers ()))))/**/) |
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{ |
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if (!$suppressing_filters && (in_array ("all", $o) || in_array ("comment-feeds", $o)) && $wp_query->is_feed () && $wp_query->is_comment_feed ()) |
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add_filter ("comment_feed_where", "c_ws_plugin__s2member_querys::_query_level_access_coms", 100, 2); |
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/**/ |
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if ($suppressing_filters !== "n/a" && (in_array ("all", $o) || in_array ("nav-menus", $o))) /* Suppression irrelevant here. */ |
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if (in_array ("wp_get_nav_menu_items", ($callers = (isset ($callers) ? $callers : c_ws_plugin__s2member_utilities::callers ())))) |
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add_filter ("wp_get_nav_menu_items", "c_ws_plugin__s2member_querys::_query_level_access_navs", 100); |
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/**/ |
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if ((is_user_logged_in () && is_object ($user = wp_get_current_user ()) && ($user_id = $user->ID)) || !($user = false)) |
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{ |
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if (!$user && ($lwp = $GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["login_welcome_page"])) |
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{ |
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$wp_query->set ("post__in", array_unique (array_diff ((array)$wp_query->get ("post__in"), array ($lwp)))); |
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$wp_query->set ("post__not_in", array_unique (array_merge ((array)$wp_query->get ("post__not_in"), array ($lwp)))); |
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} |
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/**/ |
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if (!$user && ($dep = $GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["file_download_limit_exceeded_page"])) |
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{ |
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$wp_query->set ("post__in", array_unique (array_diff ((array)$wp_query->get ("post__in"), array ($dep)))); |
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$wp_query->set ("post__not_in", array_unique (array_merge ((array)$wp_query->get ("post__not_in"), array ($dep)))); |
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} |
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/**/ |
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if (is_array ($ccaps = c_ws_plugin__s2member_utils_gets::get_singular_ids_with_ccaps_req ($user)) && !empty ($ccaps)) |
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{ |
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$wp_query->set ("post__in", array_unique (array_diff ((array)$wp_query->get ("post__in"), $ccaps))); |
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$wp_query->set ("post__not_in", array_unique (array_merge ((array)$wp_query->get ("post__not_in"), $ccaps))); |
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} |
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/**/ |
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if (is_array ($sps = c_ws_plugin__s2member_utils_gets::get_singular_ids_with_sp_req ()) && !empty ($sps)) |
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{ |
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$wp_query->set ("post__in", array_unique (array_diff ((array)$wp_query->get ("post__in"), $sps))); |
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$wp_query->set ("post__not_in", array_unique (array_merge ((array)$wp_query->get ("post__not_in"), $sps))); |
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} |
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/**/ |
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for ($n = $GLOBALS["WS_PLUGIN__"]["s2member"]["c"]["levels"]; $n >= 0; $n--) /* Category Level Restrictions. */ |
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{ |
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if ($GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["level" . $n . "_catgs"] === "all" && (!$user || !current_user_can ("access_s2member_level" . $n))) |
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{ |
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$wp_query->set ("category__in", array ()); /* Include no other Categories. */ |
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$wp_query->set ("category__not_in", ($catgs = c_ws_plugin__s2member_utils_gets::get_all_category_ids ())); |
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$wp_query->set ("post__in", array_unique (array_diff ((array)$wp_query->get ("post__in"), c_ws_plugin__s2member_utils_gets::get_singular_ids_in_terms ($catgs)))); |
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break; /* All Categories will be locked down. */ |
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} |
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else if ($GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["level" . $n . "_catgs"] && (!$user || !current_user_can ("access_s2member_level" . $n))) |
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{ |
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foreach (preg_split ("/[\r\n\t\s;,]+/", $GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["level" . $n . "_catgs"]) as $catg) |
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$catgs = array_merge ((array)$catgs, array ($catg), c_ws_plugin__s2member_utils_gets::get_all_child_category_ids ($catg)); |
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/**/ |
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$wp_query->set ("category__in", array_unique (array_diff ((array)$wp_query->get ("category__in"), $catgs))); |
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$wp_query->set ("category__not_in", array_unique (array_merge ((array)$wp_query->get ("category__not_in"), $catgs))); |
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$wp_query->set ("post__in", array_unique (array_diff ((array)$wp_query->get ("post__in"), c_ws_plugin__s2member_utils_gets::get_singular_ids_in_terms ($catgs)))); |
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} |
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} |
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/**/ |
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for ($n = $GLOBALS["WS_PLUGIN__"]["s2member"]["c"]["levels"]; $n >= 0; $n--) /* Tag Level Restrictions. */ |
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{ |
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if ($GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["level" . $n . "_ptags"] === "all" && (!$user || !current_user_can ("access_s2member_level" . $n))) |
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{ |
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$wp_query->set ("tag__in", array ()); /* Include no other Tags. */ |
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$wp_query->set ("tag__not_in", ($tags = c_ws_plugin__s2member_utils_gets::get_all_tag_ids ())); |
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$wp_query->set ("post__in", array_unique (array_diff ((array)$wp_query->get ("post__in"), c_ws_plugin__s2member_utils_gets::get_singular_ids_in_terms ($tags)))); |
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break; /* ALL Tags will be locked down. */ |
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} |
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else if ($GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["level" . $n . "_ptags"] && (!$user || !current_user_can ("access_s2member_level" . $n))) |
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{ |
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$tags = c_ws_plugin__s2member_utils_gets::convert_tags_2_ids ($GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["level" . $n . "_ptags"]); |
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/**/ |
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$wp_query->set ("tag__in", array_unique (array_diff ((array)$wp_query->get ("tag__in"), $tags))); |
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$wp_query->set ("tag__not_in", array_unique (array_merge ((array)$wp_query->get ("tag__not_in"), $tags))); |
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$wp_query->set ("post__in", array_unique (array_diff ((array)$wp_query->get ("post__in"), c_ws_plugin__s2member_utils_gets::get_singular_ids_in_terms ($tags)))); |
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} |
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} |
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/**/ |
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for ($n = $GLOBALS["WS_PLUGIN__"]["s2member"]["c"]["levels"]; $n >= 0; $n--) /* Post Level Restrictions. */ |
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{ |
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if ($GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["level" . $n . "_posts"] === "all" && (!$user || !current_user_can ("access_s2member_level" . $n))) |
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{ |
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$wp_query->set ("post__in", array ()); /* Include no other Posts. */ |
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$wp_query->set ("post__not_in", c_ws_plugin__s2member_utils_gets::get_all_post_ids ()); |
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break; /* ALL Posts will be locked down. */ |
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} |
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else if ($GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["level" . $n . "_posts"] && (!$user || !current_user_can ("access_s2member_level" . $n))) |
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{ |
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$posts = preg_split ("/[\r\n\t\s;,]+/", $GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["level" . $n . "_posts"]); |
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/**/ |
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$wp_query->set ("post__in", array_unique (array_diff ((array)$wp_query->get ("post__in"), $posts))); |
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$wp_query->set ("post__not_in", array_unique (array_merge ((array)$wp_query->get ("post__not_in"), $posts))); |
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} |
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} |
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/**/ |
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for ($n = $GLOBALS["WS_PLUGIN__"]["s2member"]["c"]["levels"]; $n >= 0; $n--) /* Page Level Restrictions. */ |
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{ |
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if ($GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["level" . $n . "_pages"] === "all" && (!$user || !current_user_can ("access_s2member_level" . $n))) |
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{ |
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$wp_query->set ("post__in", array ()); /* Include no other Posts. */ |
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$wp_query->set ("post__not_in", c_ws_plugin__s2member_utils_gets::get_all_page_ids ()); |
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break; /* ALL Pages will be locked down. */ |
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} |
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else if ($GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["level" . $n . "_pages"] && (!$user || !current_user_can ("access_s2member_level" . $n))) |
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{ |
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$pages = preg_split ("/[\r\n\t\s;,]+/", $GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["level" . $n . "_pages"]); |
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/**/ |
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$wp_query->set ("post__in", array_unique (array_diff ((array)$wp_query->get ("post__in"), $pages))); |
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$wp_query->set ("post__not_in", array_unique (array_merge ((array)$wp_query->get ("post__not_in"), $pages))); |
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} |
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} |
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} |
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/**/ |
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eval ('foreach(array_keys(get_defined_vars())as$__v)$__refs[$__v]=&$$__v;'); |
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do_action ("ws_plugin__s2member_during_query_level_access", get_defined_vars ()); |
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unset ($__refs, $__v); /* Unset defined __refs, __v. */ |
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} |
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} |
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} |
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/**/ |
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eval ('foreach(array_keys(get_defined_vars())as$__v)$__refs[$__v]=&$$__v;'); |
| 225 |
do_action ("ws_plugin__s2member_after_query_level_access", get_defined_vars ()); |
| 226 |
unset ($__refs, $__v); /* Unset defined __refs, __v. */ |
| 227 |
/**/ |
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$initial_query = false; /* No longer. */ |
| 229 |
/**/ |
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return; /* For uniformity. */ |
| 231 |
} |
| 232 |
/** |
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* Always filters Systematics in search results & feeds. |
| 234 |
* |
| 235 |
* s2Member respects the query var: `suppress_filters`. |
| 236 |
* If you need to make a query without it being Filtered, use ``$wp_query->set ("suppress_filters", true);``. |
| 237 |
* |
| 238 |
* @package s2Member\Queries |
| 239 |
* @since 3.5 |
| 240 |
* |
| 241 |
* @param obj $wp_query Expects ``$wp_query`` by reference. |
| 242 |
* @return null |
| 243 |
*/ |
| 244 |
public static function _query_level_access_sys (&$wp_query = FALSE) |
| 245 |
{ |
| 246 |
global $wpdb; /* Global database object reference. */ |
| 247 |
/**/ |
| 248 |
eval ('foreach(array_keys(get_defined_vars())as$__v)$__refs[$__v]=&$$__v;'); |
| 249 |
do_action ("_ws_plugin__s2member_before_query_level_access_sys", get_defined_vars ()); |
| 250 |
unset ($__refs, $__v); /* Unset defined __refs, __v. */ |
| 251 |
/**/ |
| 252 |
if (is_object ($wpdb) && is_object ($wp_query) && !($suppressing_filters = $wp_query->get ("suppress_filters"))) |
| 253 |
if ((!is_admin () && ($wp_query->is_search () || $wp_query->is_feed ())) || c_ws_plugin__s2member_querys::_is_admin_ajax_search ($wp_query)) |
| 254 |
{ |
| 255 |
$s = array ($GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["login_welcome_page"], $GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["membership_options_page"], $GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["file_download_limit_exceeded_page"]); |
| 256 |
/**/ |
| 257 |
$wp_query->set ("post__in", array_unique (array_diff ((array)$wp_query->get ("post__in"), $s))); |
| 258 |
$wp_query->set ("post__not_in", array_unique (array_merge ((array)$wp_query->get ("post__not_in"), $s))); |
| 259 |
/**/ |
| 260 |
eval ('foreach(array_keys(get_defined_vars())as$__v)$__refs[$__v]=&$$__v;'); |
| 261 |
do_action ("_ws_plugin__s2member_during_query_level_access_sys", get_defined_vars ()); |
| 262 |
unset ($__refs, $__v); /* Unset defined __refs, __v. */ |
| 263 |
} |
| 264 |
/**/ |
| 265 |
eval ('foreach(array_keys(get_defined_vars())as$__v)$__refs[$__v]=&$$__v;'); |
| 266 |
do_action ("_ws_plugin__s2member_after_query_level_access_sys", get_defined_vars ()); |
| 267 |
unset ($__refs, $__v); /* Unset defined __refs, __v. */ |
| 268 |
/**/ |
| 269 |
return; /* For uniformity. */ |
| 270 |
} |
| 271 |
/** |
| 272 |
* Filters WordPress® navigation menu items. |
| 273 |
* |
| 274 |
* @package s2Member\Queries |
| 275 |
* @since 110912 |
| 276 |
* |
| 277 |
* @attaches-to ``add_filter("wp_get_nav_menu_items");`` |
| 278 |
* |
| 279 |
* @param array $items Expects an array of items to be passed through by the Filter. |
| 280 |
* @return array The revised array of ``$items``. |
| 281 |
*/ |
| 282 |
public static function _query_level_access_navs ($items = FALSE) |
| 283 |
{ |
| 284 |
global $wpdb; /* Global database object reference. */ |
| 285 |
$wp_query = &c_ws_plugin__s2member_querys::$current_wp_query; |
| 286 |
/**/ |
| 287 |
if (is_array ($items) && is_object ($wpdb) && is_object ($wp_query) && $wp_query->get ("suppress_filters") !== "n/a") |
| 288 |
{ |
| 289 |
$objs = array_merge ((array)$wp_query->get ("post__not_in")); |
| 290 |
$objs = array_unique (array_merge ($objs, (array)$wp_query->get ("tag__not_in"))); |
| 291 |
$objs = array_unique (array_merge ($objs, (array)$wp_query->get ("category__not_in"))); |
| 292 |
/**/ |
| 293 |
foreach ($items as $item_key => $item) /* Filter through all nav menu items. */ |
| 294 |
if (isset ($item->ID, $item->object_id) && /* And NOT defaulted to the item `ID`. */ (int)$item->ID !== (int)$item->object_id) |
| 295 |
if (in_array ($item->object_id, $objs)) /* If it is protected by query Filters, we need to remove it. */ |
| 296 |
{ |
| 297 |
foreach ($items as $child_item_key => $child_item) |
| 298 |
if (!empty ($child_item->menu_item_parent) && (int)$child_item->menu_item_parent === (int)$item->ID) |
| 299 |
unset ($items[$child_item_key]); |
| 300 |
/**/ |
| 301 |
unset ($items[$item_key]); |
| 302 |
} |
| 303 |
} |
| 304 |
/**/ |
| 305 |
remove_filter ("wp_get_nav_menu_items", "c_ws_plugin__s2member_querys::_query_level_access_navs", 100); |
| 306 |
return apply_filters ("_ws_plugin__s2member_query_level_access_navs", $items, get_defined_vars ()); |
| 307 |
} |
| 308 |
/** |
| 309 |
* Filters ``$cwhere`` query portion. |
| 310 |
* |
| 311 |
* @package s2Member\Queries |
| 312 |
* @since 110912 |
| 313 |
* |
| 314 |
* @attaches-to ``add_filter("comment_feed_where");`` |
| 315 |
* |
| 316 |
* @param str $cwhere Expects the SQL `WHERE` portion to be passed through by the Filter. |
| 317 |
* @param obj $wp_query Expects ``$wp_query`` by reference, from the Filter. |
| 318 |
* @return str The revised ``$cwhere`` string. |
| 319 |
*/ |
| 320 |
public static function _query_level_access_coms ($cwhere = FALSE, &$wp_query = FALSE) |
| 321 |
{ |
| 322 |
global $wpdb; /* Global database object reference. */ |
| 323 |
/**/ |
| 324 |
if (is_string ($cwhere) && is_object ($wpdb) && is_object ($wp_query) && !$wp_query->get ("suppress_filters")) |
| 325 |
{ |
| 326 |
$terms = array_unique (array_merge ((array)$wp_query->get ("category__not_in"), (array)$wp_query->get ("tag__not_in"))); |
| 327 |
/**/ |
| 328 |
$cwhere .= " AND `" . $wpdb->comments . "`.`comment_post_ID` NOT IN('" . implode ("','", (array)$wp_query->get ("post__not_in")) . "')"; |
| 329 |
$cwhere .= " AND `" . $wpdb->comments . "`.`comment_post_ID` NOT IN('" . implode ("','", c_ws_plugin__s2member_utils_gets::get_singular_ids_in_terms ($terms)) . "')"; |
| 330 |
} |
| 331 |
/**/ |
| 332 |
remove_filter ("comment_feed_where", "c_ws_plugin__s2member_querys::_query_level_access_coms", 100, 2); |
| 333 |
return apply_filters ("_ws_plugin__s2member_query_level_access_coms", $cwhere, get_defined_vars ()); |
| 334 |
} |
| 335 |
/** |
| 336 |
* AJAX search via `admin-ajax.php`? |
| 337 |
* |
| 338 |
* @package s2Member\Queries |
| 339 |
* @since 110912 |
| 340 |
* |
| 341 |
* @param obj $wp_query Expects ``$wp_query`` by reference. |
| 342 |
* @return bool True if it's an AJAX search via `admin-ajax.php`, else false. |
| 343 |
*/ |
| 344 |
public static function _is_admin_ajax_search (&$wp_query = FALSE) |
| 345 |
{ |
| 346 |
global $wpdb; /* Global database object reference. */ |
| 347 |
/**/ |
| 348 |
if (is_object ($wpdb) && is_object ($wp_query) && is_admin () && $wp_query->is_search ()) |
| 349 |
if (defined ("DOING_AJAX") && DOING_AJAX && !empty ($_REQUEST["action"]) && (did_action ("wp_ajax_nopriv_" . $_REQUEST["action"]) || did_action ("wp_ajax_" . $_REQUEST["action"]))) |
| 350 |
return apply_filters ("_ws_plugin__s2member_is_admin_ajax_search", true, get_defined_vars ()); |
| 351 |
/**/ |
| 352 |
return apply_filters ("_ws_plugin__s2member_is_admin_ajax_search", false, get_defined_vars ()); |
| 353 |
} |
| 354 |
} |
| 355 |
} |
| 356 |
?> |
