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<title>[BuddyPress][11477] branches/2.0/bp-xprofile: Nonce protection for XProfile group & field actions.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="http://buddypress.trac.wordpress.org/changeset/11477">11477</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"http://buddypress.trac.wordpress.org/changeset/11477","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>johnjamesjacoby</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2017-03-08 23:08:21 +0000 (Wed, 08 Mar 2017)</dd>
</dl>

<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Nonce protection for XProfile group & field actions.

Merge of <a href="http://buddypress.trac.wordpress.org/changeset/11475">[11475]</a> and <a href="http://buddypress.trac.wordpress.org/changeset/11469">[11469]</a> for the 2.0 branch.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#branches20bpxprofilebpxprofileadminphp">branches/2.0/bp-xprofile/bp-xprofile-admin.php</a></li>
<li><a href="#branches20bpxprofilebpxprofileclassesphp">branches/2.0/bp-xprofile/bp-xprofile-classes.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="branches20bpxprofilebpxprofileadminphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/2.0/bp-xprofile/bp-xprofile-admin.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/2.0/bp-xprofile/bp-xprofile-admin.php    2017-03-08 22:58:05 UTC (rev 11476)
+++ branches/2.0/bp-xprofile/bp-xprofile-admin.php      2017-03-08 23:08:21 UTC (rev 11477)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -31,38 +31,108 @@
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="cx" style="display: block; padding: 0 10px">  * Handles all actions for the admin area for creating, editing and deleting
</span><span class="cx" style="display: block; padding: 0 10px">  * profile groups and fields.
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ *
+ * @since 1.0.0
+ *
+ * @param string $message Message to display.
+ * @param string $type    Type of action to be displayed.
</ins><span class="cx" style="display: block; padding: 0 10px">  */
</span><span class="cx" style="display: block; padding: 0 10px"> function xprofile_admin( $message = '', $type = 'error' ) {
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        $type = preg_replace( '|[^a-z]|i', '', $type );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // What mode?
+       $mode = ! empty( $_GET['mode'] )
+               ? sanitize_key( $_GET['mode'] )
+               : false;
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        $groups = BP_XProfile_Group::get( array(
-               'fetch_fields' => true
-       ) );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // Group ID
+       $group_id = ! empty( $_GET['group_id'] )
+               ? intval( $_GET['group_id'] )
+               : false;
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        if ( isset( $_GET['mode'] ) && isset( $_GET['group_id'] ) && 'add_field' == $_GET['mode'] )
-               xprofile_admin_manage_field( $_GET['group_id'] );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // Field ID
+       $field_id = ! empty( $_GET['field_id'] )
+               ? intval( $_GET['field_id'] )
+               : false;
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        else if ( isset( $_GET['mode'] ) && isset( $_GET['group_id'] ) && isset( $_GET['field_id'] ) && 'edit_field' == $_GET['mode'] )
-               xprofile_admin_manage_field( $_GET['group_id'], $_GET['field_id'] );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // Option ID
+       $option_id = ! empty( $_GET['option_id'] )
+               ? intval( $_GET['option_id'] )
+               : false;
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        else if ( isset( $_GET['mode'] ) && isset( $_GET['field_id'] ) && 'delete_field' == $_GET['mode'] )
-               xprofile_admin_delete_field( $_GET['field_id'], 'field');
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // Allowed modes
+       $allowed_modes = array(
+               'add_group',
+               'edit_group',
+               'delete_group',
+               'add_field',
+               'edit_field',
+               'delete_field',
+               'delete_option'
+       );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        else if ( isset( $_GET['mode'] ) && isset( $_GET['option_id'] ) && 'delete_option' == $_GET['mode'] )
-               xprofile_admin_delete_field( $_GET['option_id'], 'option' );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // Is an allowed mode
+       if ( in_array( $mode, $allowed_modes, true ) ) {
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        else if ( isset( $_GET['mode'] ) && 'add_group' == $_GET['mode'] )
-               xprofile_admin_manage_group();
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         // All group actions
+               if ( false !== $group_id ) {
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        else if ( isset( $_GET['mode'] ) && isset( $_GET['group_id'] ) && 'delete_group' == $_GET['mode'] )
-               xprofile_admin_delete_group( $_GET['group_id'] );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 // Add field to group
+                       if ( 'add_field' == $mode ) {
+                               xprofile_admin_manage_field( $group_id );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        else if ( isset( $_GET['mode'] ) && isset( $_GET['group_id'] ) && 'edit_group' == $_GET['mode'] )
-               xprofile_admin_manage_group( $_GET['group_id'] );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 // Edit field of group
+                       } elseif ( ! empty( $field_id ) && 'edit_field' === $mode ) {
+                               xprofile_admin_manage_field( $group_id, $field_id );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        else { ?>
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 // Delete group
+                       } elseif ( 'delete_group' === $mode ) {
+                               xprofile_admin_delete_group( $group_id );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        // Edit group
+                       } elseif ( 'edit_group' === $mode ) {
+                               xprofile_admin_manage_group( $group_id );
+                       }
+
+               // Delete field
+               } elseif ( ( false !== $field_id ) && ( 'delete_field' === $mode ) ) {
+                       xprofile_admin_delete_field( $field_id, 'field');
+
+               // Delete option
+               } elseif ( ! empty( $option_id ) && 'delete_option' === $mode ) {
+                       xprofile_admin_delete_field( $option_id, 'option' );
+
+               // Add group
+               } elseif ( 'add_group' == $mode ) {
+                       xprofile_admin_manage_group();
+               }
+
+       } else {
+               xprofile_admin_screen( $message, $type );
+       }
+}
+
+/**
+ * Output the main XProfile management screen.
+ *
+ * Backported from BuddyPress 2.8.0 to avoid recursion
+ *
+ * @since 2.3.0
+ *
+ * @param string $message Feedback message.
+ * @param string $type    Feedback type.
+ *
+ * @todo Improve error message output
+ */
+function xprofile_admin_screen( $message = '', $type = 'error' ) {
+
+       // Validate type.
+       $type = preg_replace( '|[^a-z]|i', '', $type );
+
+       // Get all of the profile groups & fields.
+       $groups = bp_xprofile_get_groups( array(
+               'fetch_fields' => true
+       ) ); ?>
+
</ins><span class="cx" style="display: block; padding: 0 10px">         <div class="wrap">
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                <?php screen_icon( 'users' ); ?>
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -169,7 +239,6 @@
</span><span class="cx" style="display: block; padding: 0 10px">        </div>
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px"> <?php
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        }
</del><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -181,6 +250,9 @@
</span><span class="cx" style="display: block; padding: 0 10px">        $group = new BP_XProfile_Group( $group_id );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        if ( isset( $_POST['save_group'] ) ) {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+               check_admin_referer( 'bp_xprofile_admin_group', 'bp_xprofile_admin_group' );
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 if ( BP_XProfile_Group::admin_validate( $_POST ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        $group->name         = wp_filter_kses( $_POST['group_name'] );
</span><span class="cx" style="display: block; padding: 0 10px">                        $group->description  = !empty( $_POST['group_description'] ) ? wp_filter_kses( $_POST['group_description'] ) : '';
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -198,8 +270,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                do_action( 'xprofile_groups_saved_group', $group );
</span><span class="cx" style="display: block; padding: 0 10px">                        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        unset( $_GET['mode'] );
-                       xprofile_admin( $message, $type );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 xprofile_admin_screen( $message, $type );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                } else {
</span><span class="cx" style="display: block; padding: 0 10px">                        $group->render_admin_form( $message );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -227,8 +298,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                do_action( 'xprofile_groups_deleted_group', $group );
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        unset( $_GET['mode'] );
-       xprofile_admin( $message, $type );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ xprofile_admin_screen( $message, $type );
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -241,6 +311,9 @@
</span><span class="cx" style="display: block; padding: 0 10px">        $field->group_id = $group_id;
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        if ( isset( $_POST['saveField'] ) ) {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+               check_admin_referer( 'bp_xprofile_admin_field', 'bp_xprofile_admin_field' );
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 if ( BP_XProfile_Field::admin_validate() ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        $field->name        = wp_filter_kses( $_POST['title'] );
</span><span class="cx" style="display: block; padding: 0 10px">                        $field->description = !empty( $_POST['description'] ) ? wp_filter_kses( $_POST['description'] ) : '';
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -265,9 +338,6 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                $message = __( 'There was an error saving the field. Please try again', 'buddypress' );
</span><span class="cx" style="display: block; padding: 0 10px">                                $type = 'error';
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                unset( $_GET['mode'] );
-
-                               xprofile_admin( $message, $type );
</del><span class="cx" style="display: block; padding: 0 10px">                         } else {
</span><span class="cx" style="display: block; padding: 0 10px">                                $message = __( 'The field was saved successfully.', 'buddypress' );
</span><span class="cx" style="display: block; padding: 0 10px">                                $type = 'success';
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -286,10 +356,10 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                unset( $_GET['mode'] );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                                do_action( 'xprofile_fields_saved_field', $field );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        }
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                $groups = BP_XProfile_Group::get();
-                               xprofile_admin( $message, $type );
-                       }
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 xprofile_admin_screen( $message, $type );
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 } else {
</span><span class="cx" style="display: block; padding: 0 10px">                        $field->render_admin_form( $message );
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -326,8 +396,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                do_action( 'xprofile_fields_deleted_field', $field );
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        unset( $_GET['mode'] );
-       xprofile_admin( $message, $type );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ xprofile_admin_screen( $message, $type );
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -605,10 +674,10 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                                /**
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                 * Unlike front-end edit-fields screens, the wp-admin/profile displays all 
-                                * groups of fields on a single page, so the list of field ids is an array 
-                                * gathering for each group of fields a distinct comma separated list of ids. 
-                                * As a result, before using the wp_parse_id_list() function, we must ensure 
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                          * Unlike front-end edit-fields screens, the wp-admin/profile displays all
+                                * groups of fields on a single page, so the list of field ids is an array
+                                * gathering for each group of fields a distinct comma separated list of ids.
+                                * As a result, before using the wp_parse_id_list() function, we must ensure
</ins><span class="cx" style="display: block; padding: 0 10px">                                  * that these ids are "merged" into a single comma separated list.
</span><span class="cx" style="display: block; padding: 0 10px">                                 */
</span><span class="cx" style="display: block; padding: 0 10px">                                $merge_ids = join( ',', $_POST['field_ids'] );
</span></span></pre></div>
<a id="branches20bpxprofilebpxprofileclassesphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/2.0/bp-xprofile/bp-xprofile-classes.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/2.0/bp-xprofile/bp-xprofile-classes.php  2017-03-08 22:58:05 UTC (rev 11476)
+++ branches/2.0/bp-xprofile/bp-xprofile-classes.php    2017-03-08 23:08:21 UTC (rev 11477)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -509,6 +509,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                                                                                        <input type="submit" name="save_group" value="<?php echo esc_attr( $button ); ?>" class="button-primary"/>
</span><span class="cx" style="display: block; padding: 0 10px">                                                                                                </div>
</span><span class="cx" style="display: block; padding: 0 10px">                                                                                                <input type="hidden" name="group_order" id="group_order" value="<?php echo esc_attr( $this->group_order ); ?>" />
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                                                                                <?php wp_nonce_field( 'bp_xprofile_admin_group', 'bp_xprofile_admin_group' ); ?>
</ins><span class="cx" style="display: block; padding: 0 10px">                                                                                                 <div class="clear"></div>
</span><span class="cx" style="display: block; padding: 0 10px">                                                                                        </div>
</span><span class="cx" style="display: block; padding: 0 10px">                                                                                </div>
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -975,6 +976,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                                                        <?php endif; ?>
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                                        <?php wp_nonce_field( 'bp_xprofile_admin_field', 'bp_xprofile_admin_field' ); ?>
+
</ins><span class="cx" style="display: block; padding: 0 10px">                                                 </div>
</span><span class="cx" style="display: block; padding: 0 10px">                                        </div><!-- #post-body -->
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span></span></pre>
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