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Theme Customizer: Validate themes with more than just an existence check. 

* The current theme goes through validate_current_theme().
 * If doing a preview of a different theme, we check theme->errors().

Also:
 * Don't attach previewing hooks when previewing the current theme.
Aside from being unnecessary, this prevents issues with a theme with
the error of theme_parent_invalid.
 * Call send_origin_headers() earlier, to allow wp_die( '0' ) to properly
be returned in a domain mapping situation.
 * Fix the 'Save & Activate' message on themes.php.

fixes #20921.



git-svn-id: http://core.svn.wordpress.org/trunk@21069 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
nacin 2012-06-12 18:39:16 +00:00
parent d0b70cc350
commit 2abd3ad571
3 changed files with 76 additions and 64 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
wp-admin/customize.php
View File

@ -161,7 +161,7 @@ do_action( 'customize_controls_print_scripts' );
'url' => array(
'preview' => esc_url( $url ? $url : home_url( '/' ) ),
'parent' => esc_url( admin_url() ),
'activated' => esc_url( admin_url( 'themes.php?activated=true' ) ),
'activated' => admin_url( 'themes.php?activated=true&previewed' ),
'ajax' => esc_url( admin_url( 'admin-ajax.php', 'relative' ) ),
'allowed' => array_map( 'esc_url', $allowed_urls ),
'isCrossDomain' => $cross_domain,

26
wp-admin/themes.php
View File

@ -92,18 +92,6 @@ wp_enqueue_script( 'customize-loader' );
require_once('./admin-header.php');
?>
<?php if ( ! validate_current_theme() ) : ?>
<div id="message1" class="updated"><p><?php _e('The active theme is broken. Reverting to the default theme.'); ?></p></div>
<?php elseif ( isset($_GET['activated']) ) :
if ( isset($wp_registered_sidebars) && count( (array) $wp_registered_sidebars ) && current_user_can('edit_theme_options') ) { ?>
<div id="message2" class="updated"><p><?php printf( __('New theme activated. This theme supports widgets, please visit the <a href="%s">widgets settings</a> screen to configure them.'), admin_url( 'widgets.php' ) ); ?></p></div><?php
} else { ?>
<div id="message2" class="updated"><p><?php printf( __( 'New theme activated. <a href="%s">Visit site</a>' ), home_url( '/' ) ); ?></p></div><?php
}
elseif ( isset($_GET['deleted']) ) : ?>
<div id="message3" class="updated"><p><?php _e('Theme deleted.') ?></p></div>
<?php endif; ?>
<div class="wrap"><?php
screen_icon();
if ( ! is_multisite() && current_user_can( 'install_themes' ) ) : ?>
@ -114,6 +102,20 @@ if ( ! is_multisite() && current_user_can( 'install_themes' ) ) : ?>
<?php endif; ?>
</h2>
<?php
if ( ! validate_current_theme() || isset( $_GET['broken'] ) ) : ?>
<div id="message1" class="updated"><p><?php _e('The active theme is broken. Reverting to the default theme.'); ?></p></div>
<?php elseif ( isset($_GET['activated']) ) :
if ( isset( $_GET['previewed'] ) ) { ?>
<div id="message2" class="updated"><p><?php printf( __( 'Settings saved and theme activated. <a href="%s">Visit site</a>.' ), home_url( '/' ) ); ?></p></div>
<?php } elseif ( isset($wp_registered_sidebars) && count( (array) $wp_registered_sidebars ) && current_user_can('edit_theme_options') ) { ?>
<div id="message2" class="updated"><p><?php printf( __('New theme activated. This theme supports widgets, please visit the <a href="%s">widgets settings</a> screen to configure them.'), admin_url( 'widgets.php' ) ); ?></p></div><?php
} else { ?>
<div id="message2" class="updated"><p><?php printf( __( 'New theme activated. <a href="%s">Visit site</a>' ), home_url( '/' ) ); ?></p></div><?php
}
elseif ( isset($_GET['deleted']) ) : ?>
<div id="message3" class="updated"><p><?php _e('Theme deleted.') ?></p></div>
<?php
endif;
$ct = wp_get_theme();
$screenshot = $ct->get_screenshot();

112
wp-includes/class-wp-customize-manager.php
View File

@ -72,10 +72,13 @@ final class WP_Customize_Manager {
*
* @since 3.4.0
*/
private function wp_die( $ajax_message, $message ) {
protected function wp_die( $ajax_message, $message = null ) {
if ( $this->doing_ajax() )
wp_die( $ajax_message );
if ( ! $message )
$message = __( 'Cheatin&#8217; uh?' );
wp_die( $message );
}
@ -98,29 +101,45 @@ final class WP_Customize_Manager {
* @since 3.4.0
*/
public function setup_theme() {
send_origin_headers();
if ( is_admin() && ! $this->doing_ajax() )
auth_redirect();
elseif ( $this->doing_ajax() && ! is_user_logged_in())
wp_die( 0 );
elseif ( $this->doing_ajax() && ! is_user_logged_in() )
$this->wp_die( 0 );
send_origin_headers();
show_admin_bar( false );
if ( ! current_user_can( 'edit_theme_options' ) )
$this->wp_die( -1 );
$this->original_stylesheet = get_stylesheet();
$this->theme = wp_get_theme( isset( $_REQUEST['theme'] ) ? $_REQUEST['theme'] : null );
// You can't preview a theme if it doesn't exist, or if it is not allowed (unless active).
if ( ! $this->theme->exists() )
$this->wp_die( -1, __( 'Cheatin&#8217; uh?' ) );
if ( $this->is_theme_active() ) {
// Once the theme is loaded, we'll validate it.
add_action( 'after_setup_theme', array( $this, 'after_setup_theme' ) );
} else {
if ( ! current_user_can( 'switch_themes' ) )
$this->wp_die( -1 );
if ( $this->theme->get_stylesheet() != get_stylesheet() && ( ! $this->theme()->is_allowed() || ! current_user_can( 'switch_themes' ) ) )
$this->wp_die( -1, __( 'Cheatin&#8217; uh?' ) );
// If the theme isn't active, you can't preview it if it is not allowed or has errors.
if ( $this->theme()->errors() )
$this->wp_die( -1 );
if ( ! current_user_can( 'edit_theme_options' ) )
$this->wp_die( -1, __( 'Cheatin&#8217; uh?' ) );
if ( ! $this->theme()->is_allowed() )
$this->wp_die( -1 );
}
$this->start_previewing_theme();
show_admin_bar( false );
}
function after_setup_theme() {
if ( ! $this->doing_ajax() && ! validate_current_theme() ) {
wp_redirect( 'themes.php?broken=true' );
exit;
}
}
/**
@ -137,17 +156,19 @@ final class WP_Customize_Manager {
$this->previewing = true;
add_filter( 'template', array( $this, 'get_template' ) );
add_filter( 'stylesheet', array( $this, 'get_stylesheet' ) );
add_filter( 'pre_option_current_theme', array( $this, 'current_theme' ) );
// @link: http://core.trac.wordpress.org/ticket/20027
add_filter( 'pre_option_stylesheet', array( $this, 'get_stylesheet' ) );
add_filter( 'pre_option_template', array( $this, 'get_template' ) );
// Handle custom theme roots.
add_filter( 'pre_option_stylesheet_root', array( $this, 'get_stylesheet_root' ) );
add_filter( 'pre_option_template_root', array( $this, 'get_template_root' ) );
if ( ! $this->is_theme_active() ) {
add_filter( 'template', array( $this, 'get_template' ) );
add_filter( 'stylesheet', array( $this, 'get_stylesheet' ) );
add_filter( 'pre_option_current_theme', array( $this, 'current_theme' ) );
// @link: http://core.trac.wordpress.org/ticket/20027
add_filter( 'pre_option_stylesheet', array( $this, 'get_stylesheet' ) );
add_filter( 'pre_option_template', array( $this, 'get_template' ) );
// Handle custom theme roots.
add_filter( 'pre_option_stylesheet_root', array( $this, 'get_stylesheet_root' ) );
add_filter( 'pre_option_template_root', array( $this, 'get_template_root' ) );
}
do_action( 'start_previewing_theme', $this );
}
@ -165,17 +186,19 @@ final class WP_Customize_Manager {
$this->previewing = false;
remove_filter( 'template', array( $this, 'get_template' ) );
remove_filter( 'stylesheet', array( $this, 'get_stylesheet' ) );
remove_filter( 'pre_option_current_theme', array( $this, 'current_theme' ) );
// @link: http://core.trac.wordpress.org/ticket/20027
remove_filter( 'pre_option_stylesheet', array( $this, 'get_stylesheet' ) );
remove_filter( 'pre_option_template', array( $this, 'get_template' ) );
// Handle custom theme roots.
remove_filter( 'pre_option_stylesheet_root', array( $this, 'get_stylesheet_root' ) );
remove_filter( 'pre_option_template_root', array( $this, 'get_template_root' ) );
if ( ! $this->is_theme_active() ) {
remove_filter( 'template', array( $this, 'get_template' ) );
remove_filter( 'stylesheet', array( $this, 'get_stylesheet' ) );
remove_filter( 'pre_option_current_theme', array( $this, 'current_theme' ) );
// @link: http://core.trac.wordpress.org/ticket/20027
remove_filter( 'pre_option_stylesheet', array( $this, 'get_stylesheet' ) );
remove_filter( 'pre_option_template', array( $this, 'get_template' ) );
// Handle custom theme roots.
remove_filter( 'pre_option_stylesheet_root', array( $this, 'get_stylesheet_root' ) );
remove_filter( 'pre_option_template_root', array( $this, 'get_template_root' ) );
}
do_action( 'stop_previewing_theme', $this );
}
@ -389,7 +412,7 @@ final class WP_Customize_Manager {
* @return string Template name.
*/
public function get_template() {
return $this->theme->get_template();
return $this->theme()->get_template();
}
/**
@ -400,7 +423,7 @@ final class WP_Customize_Manager {
* @return string Stylesheet name.
*/
public function get_stylesheet() {
return $this->theme->get_stylesheet();
return $this->theme()->get_stylesheet();
}
/**
@ -433,7 +456,7 @@ final class WP_Customize_Manager {
* @return string Theme name.
*/
public function current_theme( $current_theme ) {
return $this->theme->display('Name');
return $this->theme()->display('Name');
}
/**
@ -448,7 +471,7 @@ final class WP_Customize_Manager {
check_ajax_referer( 'customize_controls-' . $this->get_stylesheet(), 'nonce' );
// Do we have to switch themes?
if ( $this->get_stylesheet() != $this->original_stylesheet ) {
if ( ! $this->is_theme_active() ) {
// Temporarily stop previewing the theme to allow switch_themes()
// to operate properly.
$this->stop_previewing_theme();
@ -462,22 +485,9 @@ final class WP_Customize_Manager {
$setting->save();
}
add_action( 'admin_notices', array( $this, '_save_feedback' ) );
die;
}
/**
* Show an admin notice after settings are saved.
*
* @since 3.4.0
*/
public function _save_feedback() {
?>
<div class="updated"><p><?php printf( __( 'Settings saved and theme activated. <a href="%s">Visit site</a>.' ), home_url( '/' ) ); ?></p></div>
<?php
}
/**
* Add a customize setting.
*