WordPress/wp-admin/includes/class-theme-installer-skin.php
Andrew Ozz 49bbff551b Upgrade/install: Allow plugin and theme updates from a uploaded .zip file.
Props mariovalney, cyberhobo, imath, shaunandrews, mariovalney, earnjam, desrosj, dd32, folletto, swissspidy, melchoyce, pento, joshuawold, psykro, clorith, ahortin, galbaras, pingram3541, joyously, doobeedoo, karmatosed, poena, whyisjake, earnjam, sergeybiryukov, audrasjb, azaozz.

Fixes #9757.
Built from https://develop.svn.wordpress.org/trunk@48390


git-svn-id: http://core.svn.wordpress.org/trunk@48159 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-07 17:49:05 +00:00

357 lines
12 KiB
PHP

<?php
/**
* Upgrader API: Theme_Installer_Skin class
*
* @package WordPress
* @subpackage Upgrader
* @since 4.6.0
*/
/**
* Theme Installer Skin for the WordPress Theme Installer.
*
* @since 2.8.0
* @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php.
*
* @see WP_Upgrader_Skin
*/
class Theme_Installer_Skin extends WP_Upgrader_Skin {
public $api;
public $type;
public $url;
public $overwrite;
private $is_downgrading = false;
/**
* @param array $args
*/
public function __construct( $args = array() ) {
$defaults = array(
'type' => 'web',
'url' => '',
'theme' => '',
'nonce' => '',
'title' => '',
'overwrite' => '',
);
$args = wp_parse_args( $args, $defaults );
$this->type = $args['type'];
$this->url = $args['url'];
$this->api = isset( $args['api'] ) ? $args['api'] : array();
$this->overwrite = $args['overwrite'];
parent::__construct( $args );
}
/**
*/
public function before() {
if ( ! empty( $this->api ) ) {
$this->upgrader->strings['process_success'] = sprintf(
$this->upgrader->strings['process_success_specific'],
$this->api->name,
$this->api->version
);
}
}
/**
* Hides the `process_failed` error when updating a theme by uploading a zip file.
*
* @since 5.5.0
*
* @param $wp_error WP_Error.
* @return bool
*/
public function hide_process_failed( $wp_error ) {
if (
'upload' === $this->type &&
'' === $this->overwrite &&
$wp_error->get_error_code() === 'folder_exists'
) {
return true;
}
return false;
}
/**
*/
public function after() {
if ( $this->do_overwrite() ) {
return;
}
if ( empty( $this->upgrader->result['destination_name'] ) ) {
return;
}
$theme_info = $this->upgrader->theme_info();
if ( empty( $theme_info ) ) {
return;
}
$name = $theme_info->display( 'Name' );
$stylesheet = $this->upgrader->result['destination_name'];
$template = $theme_info->get_template();
$activate_link = add_query_arg(
array(
'action' => 'activate',
'template' => urlencode( $template ),
'stylesheet' => urlencode( $stylesheet ),
),
admin_url( 'themes.php' )
);
$activate_link = wp_nonce_url( $activate_link, 'switch-theme_' . $stylesheet );
$install_actions = array();
if ( current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) {
$customize_url = add_query_arg(
array(
'theme' => urlencode( $stylesheet ),
'return' => urlencode( admin_url( 'web' === $this->type ? 'theme-install.php' : 'themes.php' ) ),
),
admin_url( 'customize.php' )
);
$install_actions['preview'] = sprintf(
'<a href="%s" class="hide-if-no-customize load-customize">' .
'<span aria-hidden="true">%s</span><span class="screen-reader-text">%s</span></a>',
esc_url( $customize_url ),
__( 'Live Preview' ),
/* translators: %s: Theme name. */
sprintf( __( 'Live Preview &#8220;%s&#8221;' ), $name )
);
}
$install_actions['activate'] = sprintf(
'<a href="%s" class="activatelink">' .
'<span aria-hidden="true">%s</span><span class="screen-reader-text">%s</span></a>',
esc_url( $activate_link ),
__( 'Activate' ),
/* translators: %s: Theme name. */
sprintf( __( 'Activate &#8220;%s&#8221;' ), $name )
);
if ( is_network_admin() && current_user_can( 'manage_network_themes' ) ) {
$install_actions['network_enable'] = sprintf(
'<a href="%s" target="_parent">%s</a>',
esc_url( wp_nonce_url( 'themes.php?action=enable&amp;theme=' . urlencode( $stylesheet ), 'enable-theme_' . $stylesheet ) ),
__( 'Network Enable' )
);
}
if ( 'web' === $this->type ) {
$install_actions['themes_page'] = sprintf(
'<a href="%s" target="_parent">%s</a>',
self_admin_url( 'theme-install.php' ),
__( 'Return to Theme Installer' )
);
} elseif ( current_user_can( 'switch_themes' ) || current_user_can( 'edit_theme_options' ) ) {
$install_actions['themes_page'] = sprintf(
'<a href="%s" target="_parent">%s</a>',
self_admin_url( 'themes.php' ),
__( 'Return to Themes page' )
);
}
if ( ! $this->result || is_wp_error( $this->result ) || is_network_admin() || ! current_user_can( 'switch_themes' ) ) {
unset( $install_actions['activate'], $install_actions['preview'] );
} elseif ( get_option( 'template' ) === $stylesheet ) {
unset( $install_actions['activate'] );
}
/**
* Filters the list of action links available following a single theme installation.
*
* @since 2.8.0
*
* @param string[] $install_actions Array of theme action links.
* @param object $api Object containing WordPress.org API theme data.
* @param string $stylesheet Theme directory name.
* @param WP_Theme $theme_info Theme object.
*/
$install_actions = apply_filters( 'install_theme_complete_actions', $install_actions, $this->api, $stylesheet, $theme_info );
if ( ! empty( $install_actions ) ) {
$this->feedback( implode( ' | ', (array) $install_actions ) );
}
}
/**
* Check if the theme can be overwritten and output the HTML for overwriting a theme on upload.
*
* @since 5.5.0
*
* @return bool Whether the theme can be overwritten and HTML was outputted.
*/
private function do_overwrite() {
if ( 'upload' !== $this->type || ! is_wp_error( $this->result ) || 'folder_exists' !== $this->result->get_error_code() ) {
return false;
}
$folder = $this->result->get_error_data( 'folder_exists' );
$folder = rtrim( $folder, '/' );
$current_theme_data = false;
$all_themes = wp_get_themes( array( 'errors' => null ) );
foreach ( $all_themes as $theme ) {
if ( rtrim( $theme->get_stylesheet_directory(), '/' ) !== $folder ) {
continue;
}
$current_theme_data = $theme;
}
if ( empty( $current_theme_data ) || empty( $this->upgrader->new_theme_data ) ) {
return false;
}
echo '<h2 class="update-from-upload-heading">' . esc_html( __( 'This theme is already installed.' ) ) . '</h2>';
// Check errors for current theme
if ( is_wp_error( $current_theme_data->errors() ) ) {
$this->feedback( 'current_theme_has_errors', $current_theme_data->errors()->get_error_message() );
}
$this->is_downgrading = version_compare( $current_theme_data['Version'], $this->upgrader->new_theme_data['Version'], '>' );
$is_invalid_parent = false;
if ( ! empty( $this->upgrader->new_theme_data['Template'] ) ) {
$is_invalid_parent = ! in_array( $this->upgrader->new_theme_data['Template'], array_keys( $all_themes ), true );
}
$rows = array(
'Name' => __( 'Theme name' ),
'Version' => __( 'Version' ),
'Author' => __( 'Author' ),
'RequiresWP' => __( 'Required WordPress version' ),
'RequiresPHP' => __( 'Required PHP version' ),
'Template' => __( 'Parent theme' ),
);
$table = '<table class="update-from-upload-comparison"><tbody>';
$table .= '<tr><th></th><th>' . esc_html( __( 'Current' ) ) . '</th><th>' . esc_html( __( 'Uploaded' ) ) . '</th></tr>';
$is_same_theme = true; // Let's consider only these rows
foreach ( $rows as $field => $label ) {
$old_value = $current_theme_data->display( $field, false );
$old_value = $old_value ? $old_value : '-';
$new_value = ! empty( $this->upgrader->new_theme_data[ $field ] ) ? $this->upgrader->new_theme_data[ $field ] : '-';
if ( $old_value === $new_value && '-' === $new_value && 'Template' === $field ) {
continue;
}
$is_same_theme = $is_same_theme && ( $old_value === $new_value );
$diff_field = ( 'Version' !== $field && $new_value !== $old_value );
$diff_version = ( 'Version' === $field && $this->is_downgrading );
$invalid_parent = false;
if ( 'Template' === $field && $is_invalid_parent ) {
$invalid_parent = true;
$new_value .= ' ' . __( '(not found)' );
}
$table .= '<tr><td class="name-label">' . $label . '</td><td>' . esc_html( $old_value ) . '</td>';
$table .= ( $diff_field || $diff_version || $invalid_parent ) ? '<td class="warning">' : '<td>';
$table .= esc_html( $new_value ) . '</td></tr>';
}
$table .= '</tbody></table>';
/**
* Filters the compare table output for overwrite a theme package on upload.
*
* @since 5.5.0
*
* @param string $table The output table with Name, Version, Author, RequiresWP and RequiresPHP info.
* @param array $current_theme_data Array with current theme data.
* @param array $new_theme_data Array with uploaded theme data.
*/
echo apply_filters( 'install_theme_overwrite_comparison', $table, $current_theme_data, $this->upgrader->new_theme_data );
$install_actions = array();
$can_update = true;
$blocked_message = '<p>' . esc_html( __( 'The theme cannot be updated due to the following:' ) ) . '</p>';
$blocked_message .= '<ul class="ul-disc">';
if ( ! empty( $this->upgrader->new_theme_data['RequiresPHP'] ) && version_compare( phpversion(), $this->upgrader->new_theme_data['RequiresPHP'], '<' ) ) {
$error = sprintf(
/* translators: 1: Current PHP version, 2: Version required by the uploaded theme. */
__( 'The PHP version on your server is %1$s, however the uploaded theme requires %2$s.' ),
phpversion(),
$this->upgrader->new_theme_data['RequiresPHP']
);
$blocked_message .= '<li>' . esc_html( $error ) . '</li>';
$can_update = false;
}
if ( ! empty( $this->upgrader->new_theme_data['RequiresWP'] ) && version_compare( $GLOBALS['wp_version'], $this->upgrader->new_theme_data['RequiresWP'], '<' ) ) {
$error = sprintf(
/* translators: 1: Current WordPress version, 2: Version required by the uploaded theme. */
__( 'Your WordPress version is %1$s, however the uploaded theme requires %2$s.' ),
$GLOBALS['wp_version'],
$this->upgrader->new_theme_data['RequiresWP']
);
$blocked_message .= '<li>' . esc_html( $error ) . '</li>';
$can_update = false;
}
$blocked_message .= '</ul>';
if ( $can_update ) {
if ( $this->is_downgrading ) {
$warning = __( 'You are uploading an older version of a current theme. You can continue to install the older version, but be sure to <a href="https://wordpress.org/support/article/wordpress-backups/">backup your database and files</a> first.' );
} else {
$warning = __( 'You are updating a theme. Be sure to <a href="https://wordpress.org/support/article/wordpress-backups/">backup your database and files</a> first.' );
}
echo '<p class="update-from-upload-notice">' . $warning . '</p>';
$overwrite = $this->is_downgrading ? 'downgrade-theme' : 'update-theme';
$install_actions['ovewrite_theme'] = sprintf(
'<a class="button button-primary" href="%s" target="_parent">%s</a>',
wp_nonce_url( add_query_arg( 'overwrite', $overwrite, $this->url ), 'theme-upload' ),
esc_html( __( 'Replace current with uploaded' ) )
);
} else {
echo $blocked_message;
}
$install_actions['themes_page'] = sprintf(
'<a class="button" href="%s" target="_parent">%s</a>',
self_admin_url( 'theme-install.php' ),
__( 'Cancel and go back' )
);
/**
* Filters the list of action links available following a single theme installation failed but ovewrite is allowed.
*
* @since 5.5.0
*
* @param string[] $install_actions Array of theme action links.
* @param object $api Object containing WordPress.org API theme data.
* @param array $new_theme_data Array with uploaded theme data.
*/
$install_actions = apply_filters( 'install_theme_ovewrite_actions', $install_actions, $this->api, $this->upgrader->new_theme_data );
if ( ! empty( $install_actions ) ) {
echo '<p class="update-from-upload-actions">' . implode( ' ', (array) $install_actions ) . '</p>';
}
return true;
}
}