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<title>[BuddyPress][7025] branches/1.7/bp-core: Improved sanitization in the Core component database methods</title>
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<dt>Revision</dt> <dd><a href="http://buddypress.trac.wordpress.org/changeset/7025">7025</a></dd>
<dt>Author</dt> <dd>boonebgorges</dd>
<dt>Date</dt> <dd>2013-05-08 20:31:14 +0000 (Wed, 08 May 2013)</dd>
</dl>
<h3>Log Message</h3>
<pre>Improved sanitization in the Core component database methods
All constructed IN clauses for integer values are now run through
wp_parse_id_list().
Fixes <a href="http://buddypress.trac.wordpress.org/ticket/4992">#4992</a> for the 1.7 branch
Props johnjamesjacoby, DJPaul</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branches17bpcorebpcorecachephp">branches/1.7/bp-core/bp-core-cache.php</a></li>
<li><a href="#branches17bpcorebpcoreclassesphp">branches/1.7/bp-core/bp-core-classes.php</a></li>
<li><a href="#branches17bpcorebpcorefiltersphp">branches/1.7/bp-core/bp-core-filters.php</a></li>
<li><a href="#branches17bpcorebpcorefunctionsphp">branches/1.7/bp-core/bp-core-functions.php</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="branches17bpcorebpcorecachephp"></a>
<div class="modfile"><h4>Modified: branches/1.7/bp-core/bp-core-cache.php (7024 => 7025)</h4>
<pre class="diff"><span>
<span class="info">--- branches/1.7/bp-core/bp-core-cache.php 2013-05-08 20:27:22 UTC (rev 7024)
+++ branches/1.7/bp-core/bp-core-cache.php 2013-05-08 20:31:14 UTC (rev 7025)
</span><span class="lines">@@ -92,13 +92,8 @@
</span><span class="cx"> $object_column = $object_type . '_id';
</span><span class="cx"> }
</span><span class="cx">
</span><del>- if ( !is_array( $object_ids ) ) {
- $object_ids = preg_replace( '|[^0-9,]|', '', $object_ids );
- $object_ids = explode( ',', $object_ids );
- }
</del><ins>+ $object_ids = wp_parse_id_list( $object_ids );
</ins><span class="cx">
</span><del>- $object_ids = array_map( 'intval', $object_ids );
-
</del><span class="cx"> $cache = array();
</span><span class="cx">
</span><span class="cx"> // Get meta info
</span></span></pre></div>
<a id="branches17bpcorebpcoreclassesphp"></a>
<div class="modfile"><h4>Modified: branches/1.7/bp-core/bp-core-classes.php (7024 => 7025)</h4>
<pre class="diff"><span>
<span class="info">--- branches/1.7/bp-core/bp-core-classes.php 2013-05-08 20:27:22 UTC (rev 7024)
+++ branches/1.7/bp-core/bp-core-classes.php 2013-05-08 20:31:14 UTC (rev 7025)
</span><span class="lines">@@ -301,7 +301,7 @@
</span><span class="cx"> // @todo remove need for bp_is_active() check
</span><span class="cx"> if ( empty( $include ) && ! empty( $user_id ) && bp_is_active( 'friends' ) ) {
</span><span class="cx"> $friend_ids = friends_get_friend_user_ids( $user_id );
</span><del>- $friend_ids = $wpdb->escape( implode( ',', (array) $friend_ids ) );
</del><ins>+ $friend_ids = implode( ',', wp_parse_id_list( $friend_ids ) );
</ins><span class="cx">
</span><span class="cx"> if ( ! empty( $friend_ids ) ) {
</span><span class="cx"> $sql['where'][] = "u.{$this->uid_name} IN ({$friend_ids})";
</span><span class="lines">@@ -803,6 +803,7 @@
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> if ( !empty( $exclude ) ) {
</span><ins>+ $exclude = implode( ',', wp_parse_id_list( $exclude ) );
</ins><span class="cx"> $sql['where_exclude'] = "AND u.ID NOT IN ({$exclude})";
</span><span class="cx"> }
</span><span class="cx">
</span><span class="lines">@@ -812,20 +813,13 @@
</span><span class="cx"> $sql['where_users'] = "AND 0 = 1";
</span><span class="cx"> } else {
</span><span class="cx"> if ( !empty( $include ) ) {
</span><del>- if ( is_array( $include ) ) {
- $uids = $wpdb->escape( implode( ',', (array) $include ) );
- } else {
- $uids = $wpdb->escape( $include );
- }
-
- if ( !empty( $uids ) ) {
- $sql['where_users'] = "AND u.ID IN ({$uids})";
- }
</del><ins>+ $include = implode( ',', wp_parse_id_list( $include ) );
+ $sql['where_users'] = "AND u.ID IN ({$include})";
</ins><span class="cx"> } elseif ( !empty( $user_id ) && bp_is_active( 'friends' ) ) {
</span><span class="cx"> $friend_ids = friends_get_friend_user_ids( $user_id );
</span><del>- $friend_ids = $wpdb->escape( implode( ',', (array) $friend_ids ) );
</del><span class="cx">
</span><span class="cx"> if ( !empty( $friend_ids ) ) {
</span><ins>+ $friend_ids = implode( ',', wp_parse_id_list( $friend_ids ) );
</ins><span class="cx"> $sql['where_friends'] = "AND u.ID IN ({$friend_ids})";
</span><span class="cx">
</span><span class="cx"> // User has no friends, return false since there will be no users to fetch.
</span><span class="lines">@@ -911,8 +905,6 @@
</span><span class="cx"> $user_ids[] = $user->id;
</span><span class="cx"> }
</span><span class="cx">
</span><del>- $user_ids = $wpdb->escape( join( ',', (array) $user_ids ) );
-
</del><span class="cx"> // Add additional data to the returned results
</span><span class="cx"> $paged_users = BP_Core_User::get_user_extras( $paged_users, $user_ids, $type );
</span><span class="cx"> }
</span><span class="lines">@@ -957,8 +949,7 @@
</span><span class="cx"> $status_sql = bp_core_get_status_sql( 'u.' );
</span><span class="cx">
</span><span class="cx"> if ( !empty( $exclude ) ) {
</span><del>- $exclude = wp_parse_id_list( $r['exclude'] );
- $exclude = $wpdb->escape( implode( ',', $exclude ) );
</del><ins>+ $exclude = implode( ',', wp_parse_id_list( $r['exclude'] ) );
</ins><span class="cx"> $exclude_sql = " AND u.id NOT IN ({$exclude})";
</span><span class="cx"> } else {
</span><span class="cx"> $exclude_sql = '';
</span><span class="lines">@@ -979,10 +970,8 @@
</span><span class="cx"> */
</span><span class="cx"> $user_ids = array();
</span><span class="cx"> foreach ( (array) $paged_users as $user )
</span><del>- $user_ids[] = $user->id;
</del><ins>+ $user_ids[] = (int) $user->id;
</ins><span class="cx">
</span><del>- $user_ids = $wpdb->escape( join( ',', (array) $user_ids ) );
-
</del><span class="cx"> // Add additional data to the returned results
</span><span class="cx"> if ( $populate_extras ) {
</span><span class="cx"> $paged_users = BP_Core_User::get_user_extras( $paged_users, $user_ids );
</span><span class="lines">@@ -1009,10 +998,11 @@
</span><span class="cx"> if ( $limit && $page )
</span><span class="cx"> $pag_sql = $wpdb->prepare( " LIMIT %d, %d", intval( ( $page - 1 ) * $limit), intval( $limit ) );
</span><span class="cx">
</span><ins>+ $user_ids = implode( ',', wp_parse_id_list( $user_ids ) );
</ins><span class="cx"> $status_sql = bp_core_get_status_sql();
</span><span class="cx">
</span><del>- $total_users_sql = apply_filters( 'bp_core_get_specific_users_count_sql', "SELECT COUNT(DISTINCT ID) FROM {$wpdb->users} WHERE {$status_sql} AND ID IN ( " . $wpdb->escape( $user_ids ) . " ) " );
- $paged_users_sql = apply_filters( 'bp_core_get_specific_users_count_sql', "SELECT DISTINCT ID as id, user_registered, user_nicename, user_login, user_email FROM {$wpdb->users} WHERE {$status_sql} AND ID IN ( " . $wpdb->escape( $user_ids ) . " ) {$pag_sql}" );
</del><ins>+ $total_users_sql = apply_filters( 'bp_core_get_specific_users_count_sql', "SELECT COUNT(DISTINCT ID) FROM {$wpdb->users} WHERE {$status_sql} AND ID IN ({$user_ids})" );
+ $paged_users_sql = apply_filters( 'bp_core_get_specific_users_count_sql', "SELECT DISTINCT ID as id, user_registered, user_nicename, user_login, user_email FROM {$wpdb->users} WHERE {$status_sql} AND ID IN ({$user_ids}) {$pag_sql}" );
</ins><span class="cx">
</span><span class="cx"> $total_users = $wpdb->get_var( $total_users_sql );
</span><span class="cx"> $paged_users = $wpdb->get_results( $paged_users_sql );
</span><span class="lines">@@ -1067,8 +1057,6 @@
</span><span class="cx"> foreach ( (array) $paged_users as $user )
</span><span class="cx"> $user_ids[] = $user->id;
</span><span class="cx">
</span><del>- $user_ids = $wpdb->escape( join( ',', (array) $user_ids ) );
-
</del><span class="cx"> // Add additional data to the returned results
</span><span class="cx"> if ( $populate_extras )
</span><span class="cx"> $paged_users = BP_Core_User::get_user_extras( $paged_users, $user_ids );
</span><span class="lines">@@ -1095,6 +1083,9 @@
</span><span class="cx"> if ( empty( $user_ids ) )
</span><span class="cx"> return $paged_users;
</span><span class="cx">
</span><ins>+ // Sanitize user IDs
+ $user_ids = implode( ',', wp_parse_id_list( $user_ids ) );
+
</ins><span class="cx"> // Fetch the user's full name
</span><span class="cx"> if ( bp_is_active( 'xprofile' ) && 'alphabetical' != $type ) {
</span><span class="cx"> $names = $wpdb->get_results( $wpdb->prepare( "SELECT pd.user_id as id, pd.value as fullname FROM {$bp->profile->table_name_fields} pf, {$bp->profile->table_name_data} pd WHERE pf.id = pd.field_id AND pf.name = %s AND pd.user_id IN ( {$user_ids} )", bp_xprofile_fullname_field_name() ) );
</span></span></pre></div>
<a id="branches17bpcorebpcorefiltersphp"></a>
<div class="modfile"><h4>Modified: branches/1.7/bp-core/bp-core-filters.php (7024 => 7025)</h4>
<pre class="diff"><span>
<span class="info">--- branches/1.7/bp-core/bp-core-filters.php 2013-05-08 20:27:22 UTC (rev 7024)
+++ branches/1.7/bp-core/bp-core-filters.php 2013-05-08 20:31:14 UTC (rev 7025)
</span><span class="lines">@@ -130,7 +130,7 @@
</span><span class="cx"> if ( empty( $user_ids ) )
</span><span class="cx"> return $comments;
</span><span class="cx">
</span><del>- $user_ids = implode( ',', $user_ids );
</del><ins>+ $user_ids = implode( ',', wp_parse_id_list( $user_ids ) );
</ins><span class="cx">
</span><span class="cx"> if ( !$userdata = $wpdb->get_results( "SELECT ID as user_id, user_login, user_nicename FROM {$wpdb->users} WHERE ID IN ({$user_ids})" ) )
</span><span class="cx"> return $comments;
</span></span></pre></div>
<a id="branches17bpcorebpcorefunctionsphp"></a>
<div class="modfile"><h4>Modified: branches/1.7/bp-core/bp-core-functions.php (7024 => 7025)</h4>
<pre class="diff"><span>
<span class="info">--- branches/1.7/bp-core/bp-core-functions.php 2013-05-08 20:27:22 UTC (rev 7024)
+++ branches/1.7/bp-core/bp-core-functions.php 2013-05-08 20:31:14 UTC (rev 7025)
</span><span class="lines">@@ -141,7 +141,7 @@
</span><span class="cx"> // Always get page data from the root blog, except on multiblog mode, when it comes
</span><span class="cx"> // from the current blog
</span><span class="cx"> $posts_table_name = bp_is_multiblog_mode() ? $wpdb->posts : $wpdb->get_blog_prefix( bp_get_root_blog_id() ) . 'posts';
</span><del>- $page_ids_sql = implode( ',', (array) $page_ids );
</del><ins>+ $page_ids_sql = implode( ',', wp_parse_id_list( $page_ids ) );
</ins><span class="cx"> $page_names = $wpdb->get_results( "SELECT ID, post_name, post_parent, post_title FROM {$posts_table_name} WHERE ID IN ({$page_ids_sql}) AND post_status = 'publish' " );
</span><span class="cx">
</span><span class="cx"> foreach ( (array) $page_ids as $component_id => $page_id ) {
</span></span></pre>
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