WordPress 4.2.2
[autoinstalls/wordpress.git] / wp-admin / includes / update-core.php
index cb41afe31c2fe4f3a5022b794e3500420377d96f..a15cc887e12158e8646e9bf7b215d201f1c10021 100644 (file)
@@ -292,20 +292,14 @@ $_old_files = array(
 'wp-admin/css/colors-classic-rtl.dev.css',
 'wp-admin/css/colors-fresh-rtl.css',
 'wp-admin/css/colors-fresh-rtl.dev.css',
-'wp-admin/css/dashboard-rtl.css',
 'wp-admin/css/dashboard-rtl.dev.css',
-'wp-admin/css/dashboard.css',
 'wp-admin/css/dashboard.dev.css',
-'wp-admin/css/farbtastic-rtl.css',
 'wp-admin/css/global-rtl.css',
 'wp-admin/css/global-rtl.dev.css',
 'wp-admin/css/global.css',
 'wp-admin/css/global.dev.css',
-'wp-admin/css/install-rtl.css',
 'wp-admin/css/install-rtl.dev.css',
-'wp-admin/css/login-rtl.css',
 'wp-admin/css/login-rtl.dev.css',
-'wp-admin/css/login.css',
 'wp-admin/css/login.dev.css',
 'wp-admin/css/ms.css',
 'wp-admin/css/ms.dev.css',
@@ -317,9 +311,7 @@ $_old_files = array(
 'wp-admin/css/plugin-install-rtl.dev.css',
 'wp-admin/css/plugin-install.css',
 'wp-admin/css/plugin-install.dev.css',
-'wp-admin/css/press-this-rtl.css',
 'wp-admin/css/press-this-rtl.dev.css',
-'wp-admin/css/press-this.css',
 'wp-admin/css/press-this.dev.css',
 'wp-admin/css/theme-editor-rtl.css',
 'wp-admin/css/theme-editor-rtl.dev.css',
@@ -329,9 +321,7 @@ $_old_files = array(
 'wp-admin/css/theme-install-rtl.dev.css',
 'wp-admin/css/theme-install.css',
 'wp-admin/css/theme-install.dev.css',
-'wp-admin/css/widgets-rtl.css',
 'wp-admin/css/widgets-rtl.dev.css',
-'wp-admin/css/widgets.css',
 'wp-admin/css/widgets.dev.css',
 'wp-admin/includes/internal-linking.php',
 'wp-includes/images/admin-bar-sprite-rtl.png',
@@ -603,6 +593,108 @@ $_old_files = array(
 'wp-admin/images/stars-rtl.png',
 'wp-admin/images/wp-logo-vs-2x.png',
 'wp-admin/images/about-updates-2x.png',
+// 3.9
+'wp-admin/css/colors.css',
+'wp-admin/css/colors.min.css',
+'wp-admin/css/colors-rtl.css',
+'wp-admin/css/colors-rtl.min.css',
+'wp-admin/css/media-rtl.min.css',
+'wp-admin/css/media.min.css',
+'wp-admin/css/farbtastic-rtl.min.css',
+'wp-admin/images/lock-2x.png',
+'wp-admin/images/lock.png',
+'wp-admin/js/theme-preview.js',
+'wp-admin/js/theme-install.min.js',
+'wp-admin/js/theme-install.js',
+'wp-admin/js/theme-preview.min.js',
+'wp-includes/js/plupload/plupload.html4.js',
+'wp-includes/js/plupload/plupload.html5.js',
+'wp-includes/js/plupload/changelog.txt',
+'wp-includes/js/plupload/plupload.silverlight.js',
+'wp-includes/js/plupload/plupload.flash.js',
+'wp-includes/js/plupload/plupload.js',
+'wp-includes/js/tinymce/plugins/spellchecker',
+'wp-includes/js/tinymce/plugins/inlinepopups',
+'wp-includes/js/tinymce/plugins/media/js',
+'wp-includes/js/tinymce/plugins/media/css',
+'wp-includes/js/tinymce/plugins/wordpress/img',
+'wp-includes/js/tinymce/plugins/wpdialogs/js',
+'wp-includes/js/tinymce/plugins/wpeditimage/img',
+'wp-includes/js/tinymce/plugins/wpeditimage/js',
+'wp-includes/js/tinymce/plugins/wpeditimage/css',
+'wp-includes/js/tinymce/plugins/wpgallery/img',
+'wp-includes/js/tinymce/plugins/wpfullscreen/css',
+'wp-includes/js/tinymce/plugins/paste/js',
+'wp-includes/js/tinymce/themes/advanced',
+'wp-includes/js/tinymce/tiny_mce.js',
+'wp-includes/js/tinymce/mark_loaded_src.js',
+'wp-includes/js/tinymce/wp-tinymce-schema.js',
+'wp-includes/js/tinymce/plugins/media/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/media/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/media/media.htm',
+'wp-includes/js/tinymce/plugins/wpview/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/wpview/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/directionality/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/directionality/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/wordpress/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/wordpress/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/wpdialogs/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/wpdialogs/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/wpeditimage/editimage.html',
+'wp-includes/js/tinymce/plugins/wpeditimage/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/wpeditimage/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/fullscreen/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/fullscreen/fullscreen.htm',
+'wp-includes/js/tinymce/plugins/fullscreen/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/wplink/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/wplink/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/tabfocus/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/tabfocus/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/paste/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/paste/pasteword.htm',
+'wp-includes/js/tinymce/plugins/paste/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/paste/pastetext.htm',
+'wp-includes/js/tinymce/langs/wp-langs.php',
+// 4.1
+'wp-includes/js/jquery/ui/jquery.ui.accordion.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.autocomplete.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.button.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.core.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.datepicker.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.dialog.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.draggable.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.droppable.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-blind.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-bounce.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-clip.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-drop.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-explode.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-fade.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-fold.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-highlight.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-pulsate.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-scale.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-shake.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-slide.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-transfer.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.menu.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.mouse.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.position.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.progressbar.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.resizable.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.selectable.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.slider.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.sortable.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.spinner.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.tabs.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.tooltip.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.widget.min.js',
+'wp-includes/js/tinymce/skins/wordpress/images/dashicon-no-alt.png'
 );
 
 /**
@@ -631,6 +723,7 @@ $_new_bundled_files = array(
        'themes/twentytwelve/'   => '3.5',
        'themes/twentythirteen/' => '3.6',
        'themes/twentyfourteen/' => '3.8',
+       'themes/twentyfifteen/'  => '4.1',
 );
 
 /**
@@ -684,8 +777,26 @@ function update_core($from, $to) {
 
        @set_time_limit( 300 );
 
-       // Sanity check the unzipped distribution
-       apply_filters( 'update_feedback', __('Verifying the unpacked files…') );
+       /**
+        * Filter feedback messages displayed during the core update process.
+        *
+        * The filter is first evaluated after the zip file for the latest version
+        * has been downloaded and unzipped. It is evaluated five more times during
+        * the process:
+        *
+        * 1. Before WordPress begins the core upgrade process.
+        * 2. Before Maintenance Mode is enabled.
+        * 3. Before WordPress begins copying over the necessary files.
+        * 4. Before Maintenance Mode is disabled.
+        * 5. Before the database is upgraded.
+        *
+        * @since 2.5.0
+        *
+        * @param string $feedback The core update feedback messages.
+        */
+       apply_filters( 'update_feedback', __( 'Verifying the unpacked files…' ) );
+
+       // Sanity check the unzipped distribution.
        $distro = '';
        $roots = array( '/wordpress/', '/wordpress-mu/' );
        foreach ( $roots as $root ) {
@@ -701,10 +812,12 @@ function update_core($from, $to) {
 
        // Import $wp_version, $required_php_version, and $required_mysql_version from the new version
        // $wp_filesystem->wp_content_dir() returned unslashed pre-2.8
+       global $wp_version, $required_php_version, $required_mysql_version;
+
        $versions_file = trailingslashit( $wp_filesystem->wp_content_dir() ) . 'upgrade/version-current.php';
        if ( ! $wp_filesystem->copy( $from . $distro . 'wp-includes/version.php', $versions_file ) ) {
-                $wp_filesystem->delete( $from, true );
-                return new WP_Error( 'copy_failed_for_version_file', __( 'The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.' ), 'wp-includes/version.php' );
+               $wp_filesystem->delete( $from, true );
+               return new WP_Error( 'copy_failed_for_version_file', __( 'The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.' ), 'wp-includes/version.php' );
        }
 
        $wp_filesystem->chmod( $versions_file, FS_CHMOD_FILE );
@@ -713,7 +826,7 @@ function update_core($from, $to) {
 
        $php_version    = phpversion();
        $mysql_version  = $wpdb->db_version();
-       $old_wp_version = $GLOBALS['wp_version']; // The version of WordPress we're updating from
+       $old_wp_version = $wp_version; // The version of WordPress we're updating from
        $development_build = ( false !== strpos( $old_wp_version . $wp_version, '-' )  ); // a dash in the version indicates a Development release
        $php_compat     = version_compare( $php_version, $required_php_version, '>=' );
        if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) )
@@ -731,10 +844,12 @@ function update_core($from, $to) {
        elseif ( !$mysql_compat )
                return new WP_Error( 'mysql_not_compatible', sprintf( __('The update cannot be installed because WordPress %1$s requires MySQL version %2$s or higher. You are running version %3$s.'), $wp_version, $required_mysql_version, $mysql_version ) );
 
+       /** This filter is documented in wp-admin/includes/update-core.php */
        apply_filters( 'update_feedback', __( 'Preparing to install the latest version…' ) );
 
        // Don't copy wp-content, we'll deal with that below
-       $skip = array( 'wp-content' );
+       // We also copy version.php last so failed updates report their old version
+       $skip = array( 'wp-content', 'wp-includes/version.php' );
        $check_is_writable = array();
 
        // Check to see which files don't really need updating - only available for 3.7 and higher
@@ -781,6 +896,7 @@ function update_core($from, $to) {
                }
        }
 
+       /** This filter is documented in wp-admin/includes/update-core.php */
        apply_filters( 'update_feedback', __( 'Enabling Maintenance mode…' ) );
        // Create maintenance file to signal that we are upgrading
        $maintenance_string = '<?php $upgrading = ' . time() . '; ?>';
@@ -788,12 +904,22 @@ function update_core($from, $to) {
        $wp_filesystem->delete($maintenance_file);
        $wp_filesystem->put_contents($maintenance_file, $maintenance_string, FS_CHMOD_FILE);
 
+       /** This filter is documented in wp-admin/includes/update-core.php */
        apply_filters( 'update_feedback', __( 'Copying the required files&#8230;' ) );
        // Copy new versions of WP files into place.
        $result = _copy_dir( $from . $distro, $to, $skip );
        if ( is_wp_error( $result ) )
                $result = new WP_Error( $result->get_error_code(), $result->get_error_message(), substr( $result->get_error_data(), strlen( $to ) ) );
 
+       // Since we know the core files have copied over, we can now copy the version file
+       if ( ! is_wp_error( $result ) ) {
+               if ( ! $wp_filesystem->copy( $from . $distro . 'wp-includes/version.php', $to . 'wp-includes/version.php', true /* overwrite */ ) ) {
+                       $wp_filesystem->delete( $from, true );
+                       $result = new WP_Error( 'copy_failed_for_version_file', __( 'The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.' ), 'wp-includes/version.php' );
+               }
+               $wp_filesystem->chmod( $to . 'wp-includes/version.php', FS_CHMOD_FILE );
+       }
+
        // Check to make sure everything copied correctly, ignoring the contents of wp-content
        $skip = array( 'wp-content' );
        $failed = array();
@@ -853,6 +979,7 @@ function update_core($from, $to) {
                }
        }
 
+       /** This filter is documented in wp-admin/includes/update-core.php */
        apply_filters( 'update_feedback', __( 'Disabling Maintenance mode&#8230;' ) );
        // Remove maintenance file, we're done with potential site-breaking changes
        $wp_filesystem->delete( $maintenance_file );
@@ -923,8 +1050,12 @@ function update_core($from, $to) {
                $wp_filesystem->delete($old_file, true);
        }
 
+       // Remove any Genericons example.html's from the filesystem
+       _upgrade_422_remove_genericons();
+
        // Upgrade DB with separate request
-       apply_filters('update_feedback', __('Upgrading database&#8230;'));
+       /** This filter is documented in wp-admin/includes/update-core.php */
+       apply_filters( 'update_feedback', __( 'Upgrading database&#8230;' ) );
        $db_upgrade_url = admin_url('upgrade.php?step=upgrade_db');
        wp_remote_post($db_upgrade_url, array('timeout' => 60));
 
@@ -942,7 +1073,13 @@ function update_core($from, $to) {
        else
                delete_option('update_core');
 
-       // If we made it this far:
+       /**
+        * Fires after WordPress core has been successfully updated.
+        *
+        * @since 3.3.0
+        *
+        * @param string $wp_version The current WordPress version.
+        */
        do_action( '_core_updated_successfully', $wp_version );
 
        // Clear the option that blocks auto updates after failures, now that we've been successful.
@@ -994,7 +1131,10 @@ function _copy_dir($from, $to, $skip_list = array() ) {
                                        return new WP_Error( 'mkdir_failed__copy_dir', __( 'Could not create directory.' ), $to . $filename );
                        }
 
-                       // generate the $sub_skip_list for the subdirectory as a sub-set of the existing $skip_list
+                       /*
+                        * Generate the $sub_skip_list for the subdirectory as a sub-set
+                        * of the existing $skip_list.
+                        */
                        $sub_skip_list = array();
                        foreach ( $skip_list as $skip_item ) {
                                if ( 0 === strpos( $skip_item, $filename . '/' ) )
@@ -1030,7 +1170,7 @@ function _redirect_to_about_wordpress( $new_version ) {
        if ( 'do-core-upgrade' != $action && 'do-core-reinstall' != $action )
                return;
 
-       // Load the updated default text localization domain for new strings
+       // Load the updated default text localization domain for new strings.
        load_default_textdomain();
 
        // See do_core_upgrade()
@@ -1046,8 +1186,72 @@ window.location = 'about.php?updated';
 </script>
        <?php
 
-       // Include admin-footer.php and exit
+       // Include admin-footer.php and exit.
        include(ABSPATH . 'wp-admin/admin-footer.php');
        exit();
 }
 add_action( '_core_updated_successfully', '_redirect_to_about_wordpress' );
+
+/**
+ * Cleans up Genericons example files.
+ *
+ * @since 4.2.2
+ */
+function _upgrade_422_remove_genericons() {
+       global $wp_theme_directories, $wp_filesystem;
+
+       // A list of the affected files using the filesystem absolute paths.
+       $affected_files = array();
+
+       // Themes
+       foreach ( $wp_theme_directories as $directory ) {
+               $affected_theme_files = _upgrade_422_find_genericons_files_in_folder( $directory );
+               $affected_files       = array_merge( $affected_files, $affected_theme_files );
+       }
+
+       // Plugins
+       $affected_plugin_files = _upgrade_422_find_genericons_files_in_folder( WP_PLUGIN_DIR );
+       $affected_files        = array_merge( $affected_files, $affected_plugin_files );
+
+       foreach ( $affected_files as $file ) {
+               $gen_dir = $wp_filesystem->find_folder( trailingslashit( dirname( $file ) ) );
+               if ( empty( $gen_dir ) ) {
+                       continue;
+               }
+
+               // The path when the file is accessed via WP_Filesystem may differ in the case of FTP
+               $remote_file = $gen_dir . basename( $file );
+
+               if ( ! $wp_filesystem->exists( $remote_file ) ) {
+                       continue;
+               }
+
+               if ( ! $wp_filesystem->delete( $remote_file, false, 'f' ) ) {
+                       $wp_filesystem->put_contents( $remote_file, '' );
+               }
+       }
+}
+
+/**
+ * Recursively find Genericons example files in a given folder.
+ *
+ * @ignore
+ * @since 4.2.2
+ *
+ * @param string $directory Directory path. Expects trailingslashed.
+ * @return array
+ */
+function _upgrade_422_find_genericons_files_in_folder( $directory ) {
+       $directory = trailingslashit( $directory );
+       $files     = array();
+
+       if ( file_exists( "{$directory}example.html" ) && false !== strpos( file_get_contents( "{$directory}example.html" ), '<title>Genericons</title>' ) ) {
+               $files[] = "{$directory}example.html";
+       }
+
+       foreach ( glob( $directory . '*', GLOB_ONLYDIR ) as $dir ) {
+               $files = array_merge( $files, _upgrade_422_find_genericons_files_in_folder( $dir ) );
+       }
+
+       return $files;
+}