Adding upstream version 6.4.3+dfsg1.upstream/6.4.3+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 383 insertions, 0 deletions

diff --git a/wp-admin/includes/menu.php b/wp-admin/includes/menu.php
new file mode 100644
index 0000000..da1b2eb
--- /dev/null
+++ b/wp-admin/includes/menu.php
@@ -0,0 +1,383 @@
+<?php
+/**
+ * Build Administration Menu.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+if ( is_network_admin() ) {
+
+	/**
+	 * Fires before the administration menu loads in the Network Admin.
+	 *
+	 * The hook fires before menus and sub-menus are removed based on user privileges.
+	 *
+	 * @private
+	 * @since 3.1.0
+	 */
+	do_action( '_network_admin_menu' );
+} elseif ( is_user_admin() ) {
+
+	/**
+	 * Fires before the administration menu loads in the User Admin.
+	 *
+	 * The hook fires before menus and sub-menus are removed based on user privileges.
+	 *
+	 * @private
+	 * @since 3.1.0
+	 */
+	do_action( '_user_admin_menu' );
+} else {
+
+	/**
+	 * Fires before the administration menu loads in the admin.
+	 *
+	 * The hook fires before menus and sub-menus are removed based on user privileges.
+	 *
+	 * @private
+	 * @since 2.2.0
+	 */
+	do_action( '_admin_menu' );
+}
+
+// Create list of page plugin hook names.
+foreach ( $menu as $menu_page ) {
+	$pos = strpos( $menu_page[2], '?' );
+
+	if ( false !== $pos ) {
+		// Handle post_type=post|page|foo pages.
+		$hook_name = substr( $menu_page[2], 0, $pos );
+		$hook_args = substr( $menu_page[2], $pos + 1 );
+		wp_parse_str( $hook_args, $hook_args );
+
+		// Set the hook name to be the post type.
+		if ( isset( $hook_args['post_type'] ) ) {
+			$hook_name = $hook_args['post_type'];
+		} else {
+			$hook_name = basename( $hook_name, '.php' );
+		}
+		unset( $hook_args );
+	} else {
+		$hook_name = basename( $menu_page[2], '.php' );
+	}
+
+	$hook_name = sanitize_title( $hook_name );
+
+	if ( isset( $compat[ $hook_name ] ) ) {
+		$hook_name = $compat[ $hook_name ];
+	} elseif ( ! $hook_name ) {
+		continue;
+	}
+
+	$admin_page_hooks[ $menu_page[2] ] = $hook_name;
+}
+unset( $menu_page, $compat );
+
+$_wp_submenu_nopriv = array();
+$_wp_menu_nopriv    = array();
+// Loop over submenus and remove pages for which the user does not have privs.
+foreach ( $submenu as $parent => $sub ) {
+	foreach ( $sub as $index => $data ) {
+		if ( ! current_user_can( $data[1] ) ) {
+			unset( $submenu[ $parent ][ $index ] );
+			$_wp_submenu_nopriv[ $parent ][ $data[2] ] = true;
+		}
+	}
+	unset( $index, $data );
+
+	if ( empty( $submenu[ $parent ] ) ) {
+		unset( $submenu[ $parent ] );
+	}
+}
+unset( $sub, $parent );
+
+/*
+ * Loop over the top-level menu.
+ * Menus for which the original parent is not accessible due to lack of privileges
+ * will have the next submenu in line be assigned as the new menu parent.
+ */
+foreach ( $menu as $id => $data ) {
+	if ( empty( $submenu[ $data[2] ] ) ) {
+		continue;
+	}
+
+	$subs       = $submenu[ $data[2] ];
+	$first_sub  = reset( $subs );
+	$old_parent = $data[2];
+	$new_parent = $first_sub[2];
+
+	/*
+	 * If the first submenu is not the same as the assigned parent,
+	 * make the first submenu the new parent.
+	 */
+	if ( $new_parent !== $old_parent ) {
+		$_wp_real_parent_file[ $old_parent ] = $new_parent;
+
+		$menu[ $id ][2] = $new_parent;
+
+		foreach ( $submenu[ $old_parent ] as $index => $data ) {
+			$submenu[ $new_parent ][ $index ] = $submenu[ $old_parent ][ $index ];
+			unset( $submenu[ $old_parent ][ $index ] );
+		}
+		unset( $submenu[ $old_parent ], $index );
+
+		if ( isset( $_wp_submenu_nopriv[ $old_parent ] ) ) {
+			$_wp_submenu_nopriv[ $new_parent ] = $_wp_submenu_nopriv[ $old_parent ];
+		}
+	}
+}
+unset( $id, $data, $subs, $first_sub, $old_parent, $new_parent );
+
+if ( is_network_admin() ) {
+
+	/**
+	 * Fires before the administration menu loads in the Network Admin.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string $context Empty context.
+	 */
+	do_action( 'network_admin_menu', '' );
+} elseif ( is_user_admin() ) {
+
+	/**
+	 * Fires before the administration menu loads in the User Admin.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string $context Empty context.
+	 */
+	do_action( 'user_admin_menu', '' );
+} else {
+
+	/**
+	 * Fires before the administration menu loads in the admin.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $context Empty context.
+	 */
+	do_action( 'admin_menu', '' );
+}
+
+/*
+ * Remove menus that have no accessible submenus and require privileges
+ * that the user does not have. Run re-parent loop again.
+ */
+foreach ( $menu as $id => $data ) {
+	if ( ! current_user_can( $data[1] ) ) {
+		$_wp_menu_nopriv[ $data[2] ] = true;
+	}
+
+	/*
+	 * If there is only one submenu and it is has same destination as the parent,
+	 * remove the submenu.
+	 */
+	if ( ! empty( $submenu[ $data[2] ] ) && 1 === count( $submenu[ $data[2] ] ) ) {
+		$subs      = $submenu[ $data[2] ];
+		$first_sub = reset( $subs );
+
+		if ( $data[2] === $first_sub[2] ) {
+			unset( $submenu[ $data[2] ] );
+		}
+	}
+
+	// If submenu is empty...
+	if ( empty( $submenu[ $data[2] ] ) ) {
+		// And user doesn't have privs, remove menu.
+		if ( isset( $_wp_menu_nopriv[ $data[2] ] ) ) {
+			unset( $menu[ $id ] );
+		}
+	}
+}
+unset( $id, $data, $subs, $first_sub );
+
+/**
+ * Adds a CSS class to a string.
+ *
+ * @since 2.7.0
+ *
+ * @param string $class_to_add The CSS class to add.
+ * @param string $classes      The string to add the CSS class to.
+ * @return string The string with the CSS class added.
+ */
+function add_cssclass( $class_to_add, $classes ) {
+	if ( empty( $classes ) ) {
+		return $class_to_add;
+	}
+
+	return $classes . ' ' . $class_to_add;
+}
+
+/**
+ * Adds CSS classes for top-level administration menu items.
+ *
+ * The list of added classes includes `.menu-top-first` and `.menu-top-last`.
+ *
+ * @since 2.7.0
+ *
+ * @param array $menu The array of administration menu items.
+ * @return array The array of administration menu items with the CSS classes added.
+ */
+function add_menu_classes( $menu ) {
+	$first_item  = false;
+	$last_order  = false;
+	$items_count = count( $menu );
+
+	$i = 0;
+
+	foreach ( $menu as $order => $top ) {
+		++$i;
+
+		if ( 0 === $order ) { // Dashboard is always shown/single.
+			$menu[0][4] = add_cssclass( 'menu-top-first', $top[4] );
+			$last_order = 0;
+			continue;
+		}
+
+		if ( str_starts_with( $top[2], 'separator' ) && false !== $last_order ) { // If separator.
+			$first_item = true;
+			$classes    = $menu[ $last_order ][4];
+
+			$menu[ $last_order ][4] = add_cssclass( 'menu-top-last', $classes );
+			continue;
+		}
+
+		if ( $first_item ) {
+			$first_item = false;
+			$classes    = $menu[ $order ][4];
+
+			$menu[ $order ][4] = add_cssclass( 'menu-top-first', $classes );
+		}
+
+		if ( $i === $items_count ) { // Last item.
+			$classes = $menu[ $order ][4];
+
+			$menu[ $order ][4] = add_cssclass( 'menu-top-last', $classes );
+		}
+
+		$last_order = $order;
+	}
+
+	/**
+	 * Filters administration menu array with classes added for top-level items.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param array $menu Associative array of administration menu items.
+	 */
+	return apply_filters( 'add_menu_classes', $menu );
+}
+
+uksort( $menu, 'strnatcasecmp' ); // Make it all pretty.
+
+/**
+ * Filters whether to enable custom ordering of the administration menu.
+ *
+ * See the {@see 'menu_order'} filter for reordering menu items.
+ *
+ * @since 2.8.0
+ *
+ * @param bool $custom Whether custom ordering is enabled. Default false.
+ */
+if ( apply_filters( 'custom_menu_order', false ) ) {
+	$menu_order = array();
+
+	foreach ( $menu as $menu_item ) {
+		$menu_order[] = $menu_item[2];
+	}
+	unset( $menu_item );
+
+	$default_menu_order = $menu_order;
+
+	/**
+	 * Filters the order of administration menu items.
+	 *
+	 * A truthy value must first be passed to the {@see 'custom_menu_order'} filter
+	 * for this filter to work. Use the following to enable custom menu ordering:
+	 *
+	 *     add_filter( 'custom_menu_order', '__return_true' );
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $menu_order An ordered array of menu items.
+	 */
+	$menu_order = apply_filters( 'menu_order', $menu_order );
+	$menu_order = array_flip( $menu_order );
+
+	$default_menu_order = array_flip( $default_menu_order );
+
+	/**
+	 * @global array $menu_order
+	 * @global array $default_menu_order
+	 *
+	 * @param array $a
+	 * @param array $b
+	 * @return int
+	 */
+	function sort_menu( $a, $b ) {
+		global $menu_order, $default_menu_order;
+
+		$a = $a[2];
+		$b = $b[2];
+
+		if ( isset( $menu_order[ $a ] ) && ! isset( $menu_order[ $b ] ) ) {
+			return -1;
+		} elseif ( ! isset( $menu_order[ $a ] ) && isset( $menu_order[ $b ] ) ) {
+			return 1;
+		} elseif ( isset( $menu_order[ $a ] ) && isset( $menu_order[ $b ] ) ) {
+			if ( $menu_order[ $a ] === $menu_order[ $b ] ) {
+				return 0;
+			}
+			return ( $menu_order[ $a ] < $menu_order[ $b ] ) ? -1 : 1;
+		} else {
+			return ( $default_menu_order[ $a ] <= $default_menu_order[ $b ] ) ? -1 : 1;
+		}
+	}
+
+	usort( $menu, 'sort_menu' );
+	unset( $menu_order, $default_menu_order );
+}
+
+// Prevent adjacent separators.
+$prev_menu_was_separator = false;
+foreach ( $menu as $id => $data ) {
+	if ( false === stristr( $data[4], 'wp-menu-separator' ) ) {
+
+		// This item is not a separator, so falsey the toggler and do nothing.
+		$prev_menu_was_separator = false;
+	} else {
+
+		// The previous item was a separator, so unset this one.
+		if ( true === $prev_menu_was_separator ) {
+			unset( $menu[ $id ] );
+		}
+
+		// This item is a separator, so truthy the toggler and move on.
+		$prev_menu_was_separator = true;
+	}
+}
+unset( $id, $data, $prev_menu_was_separator );
+
+// Remove the last menu item if it is a separator.
+$last_menu_key = array_keys( $menu );
+$last_menu_key = array_pop( $last_menu_key );
+if ( ! empty( $menu ) && 'wp-menu-separator' === $menu[ $last_menu_key ][4] ) {
+	unset( $menu[ $last_menu_key ] );
+}
+unset( $last_menu_key );
+
+if ( ! user_can_access_admin_page() ) {
+
+	/**
+	 * Fires when access to an admin page is denied.
+	 *
+	 * @since 2.5.0
+	 */
+	do_action( 'admin_page_access_denied' );
+
+	wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
+}
+
+$menu = add_menu_classes( $menu );