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| Current File : /home1/savoy/public_html/wp-content/themes/Divi/core/components/VersionRollback.php |
<?php
// phpcs:disable Generic.WhiteSpace.ScopeIndent -- our preference is to not indent the whole inner function in this scenario.
if ( ! class_exists( 'ET_Core_VersionRollback' ) ) :
/**
* Handles version rollback.
*
* @since 3.10
*
* @private
*
* @package ET\Core\VersionRollback
*/
class ET_Core_VersionRollback {
/**
* Product name.
*
* @var string
*/
protected $product_name = '';
/**
* Product shortname.
*
* @var string
*/
protected $product_shortname = '';
/**
* Current product version.
*
* @var string
*/
protected $product_version = '';
/**
* Is rollback service enabled.
*
* @var bool
*/
protected $enabled = false;
/**
* API Username.
*
* @var string
*/
protected $api_username = '';
/**
* API Key.
*
* @var string
*/
protected $api_key = '';
/**
* ET_Core_VersionRollback constructor.
*
* @since 3.10
*
* @param string $product_name Product name.
* @param string $product_shortname Product shortname.
* @param string $product_version Product version.
*/
public function __construct( $product_name, $product_shortname, $product_version ) {
$this->product_name = sanitize_text_field( $product_name );
$this->product_shortname = sanitize_text_field( $product_shortname );
$this->product_version = sanitize_text_field( $product_version );
if ( ! $options = get_site_option( 'et_automatic_updates_options' ) ) {
$options = get_option( 'et_automatic_updates_options' );
}
$this->api_username = isset( $options['username'] ) ? sanitize_text_field( $options['username'] ) : '';
$this->api_key = isset( $options['api_key'] ) ? sanitize_text_field( $options['api_key'] ) : '';
}
/**
* Enqueue assets.
*
* @since ?.? Script `et-core-version-rollback` now loads in footer.
* @since 3.10
*/
public function assets() {
wp_enqueue_style(
'et-core-version-rollback',
ET_CORE_URL . 'admin/css/version-rollback.css',
array(
'et-core-admin',
),
ET_CORE_VERSION
);
wp_enqueue_script(
'et-core-version-rollback',
ET_CORE_URL . 'admin/js/version-rollback.js',
array(
'jquery',
'jquery-ui-tabs',
'jquery-form',
'et-core-admin',
),
ET_CORE_VERSION,
true
);
wp_localize_script(
'et-core-version-rollback',
'etCoreVersionRollbackI18n',
array(
'unknownError' => esc_html__( 'An unknown error has occurred. Please try again later.', 'et-core' ),
)
);
}
/**
* Get previous installed version, if any.
*
* @since 3.10
*
* @return string
*/
protected function _get_previous_installed_version() {
return et_get_option( "{$this->product_shortname}_previous_installed_version", '' );
}
/**
* Set previous installed version.
*
* @since 3.10
*
* @param string $version
*
* @return void
*/
protected function _set_previous_installed_version( $version ) {
et_update_option( "{$this->product_shortname}_previous_installed_version", sanitize_text_field( $version ) );
}
/**
* Get latest installed version, if any.
*
* @since 3.10
*
* @return string
*/
protected function _get_latest_installed_version() {
return et_get_option( "{$this->product_shortname}_latest_installed_version", '' );
}
/**
* Set latest installed version.
*
* @since 3.10
*
* @param string $version
*
* @return void
*/
protected function _set_latest_installed_version( $version ) {
et_update_option( "{$this->product_shortname}_latest_installed_version", sanitize_text_field( $version ) );
}
/**
* Check if the product has already been rolled back.
*
* @since 3.10
*
* @return bool
*/
protected function _is_rolled_back() {
return version_compare( $this->_get_latest_installed_version(), $this->_get_previous_installed_version(), '<=' );
}
/**
* Get unique ajax action.
*
* @since 3.10
*
* @return string
*/
protected function _get_ajax_action() {
return 'et_core_version_rollback';
}
/**
* Enable update rollback.
*
* @since 3.10
*
* @return void
*/
public function enable() {
if ( $this->enabled ) {
return;
}
$this->enabled = true;
add_action( 'admin_enqueue_scripts', array( $this, 'assets' ) );
add_action( 'wp_ajax_' . $this->_get_ajax_action(), array( $this, 'ajax_rollback' ) );
// Update version number when theme is manually replaced.
add_action( 'admin_init', array( $this, 'store_previous_version_number' ) );
// Update version number when theme is activated.
add_action( 'after_switch_theme', array( $this, 'store_previous_version_number' ) );
// Update version number when theme is updated.
add_action( 'upgrader_process_complete', array( $this, 'store_previous_version_number' ), 10, 0 );
}
/**
* Handle REST API requests to rollback.
*
* @since 3.10
*
* @return void
*/
public function ajax_rollback() {
if ( ! isset( $_GET['nonce'] ) || ! wp_verify_nonce( $_GET['nonce'], $this->_get_ajax_action() ) ) {
wp_send_json_error( array(
'errorCode' => 'et_unknown',
'error' => esc_html__( 'Security check failed. Please refresh and try again.', 'et-core' ),
), 400 );
}
if ( ! current_user_can( 'install_themes' ) ) {
wp_send_json_error( array(
'errorCode' => 'et_unknown',
'error' => esc_html__( 'You don\'t have sufficient permissions to access this page.', 'et-core' ),
), 400 );
}
if ( $this->_is_rolled_back() ) {
$error = '
<p>
' . et_get_safe_localization( sprintf(
__( 'You\'re currently rolled back to <strong>Version %1$s</strong> from <strong>Version %2$s</strong>.', 'et-core' ),
esc_html( $this->_get_latest_installed_version() ),
esc_html( $this->_get_previous_installed_version() )
) ) . '
</p>
<p>
' . et_get_safe_localization( sprintf(
__( 'Update to the latest version to unlock the full power of %1$s. <a href="%2$s" target="_blank">Learn more here</a>.', 'et-core' ),
esc_html( $this->product_name ),
esc_url( $this->_get_update_documentation_url() )
) ) . '
</p>
';
wp_send_json_error( array(
'errorCode' => 'et_unknown',
'error' => $error,
), 400 );
}
$success = $this->rollback();
if ( is_wp_error( $success ) ) {
$error = $success->get_error_message();
if ( $success->get_error_code() === 'et_version_rollback_blocklisted' ) {
$error = '
<p>
' . et_get_safe_localization( sprintf(
__( 'For privacy and security reasons, you cannot rollback to <strong>Version %1$s</strong>.', 'et-core' ),
esc_html( $this->_get_previous_installed_version() )
) ) . '
</p>
<p>
<a href="' . esc_url( $this->_get_update_documentation_url() ) . '" target="_blank">
' . esc_html__( 'Learn more here.', 'et-core' ) . '
</a>
</p>
';
}
wp_send_json_error( array(
'errorIsUnrecoverable' => in_array( $success->get_error_code(), array( 'et_version_rollback_not_available', 'et_version_rollback_blocklisted' ) ),
'errorCode' => $success->get_error_code(),
'error' => $error,
), 400 );
}
wp_send_json_success();
}
/**
* Execute a version rollback.
*
* @since 3.10
*
* @return bool|WP_Error
*/
public function rollback() {
// Load versions before rollback so they are not affected.
$previous_version = $this->_get_previous_installed_version();
$latest_version = $this->_get_latest_installed_version();
$api = new ET_Core_API_ElegantThemes( $this->api_username, $this->api_key );
$available = $api->is_product_available( $this->product_name, $previous_version );
if ( is_wp_error( $available ) ) {
$major_minor = implode( '.', array_slice( explode( '.', $previous_version ), 0, 2 ) );
if ( $major_minor . '.0' === $previous_version ) {
// Skip the trailing 0 in the version number and retry.
$previous_version = $major_minor;
$available = $api->is_product_available( $this->product_name, $previous_version );
}
if ( is_wp_error( $available ) ) {
return $available;
}
}
$download_url = $api->get_download_url( $this->product_name, $previous_version );
// Buffer and discard output as upgrader classes still output content even if the upgrader skin is silent.
$buffer_started = ob_start();
$result = $this->_install_theme( $download_url );
if ( $buffer_started ) {
ob_end_clean();
}
if ( is_wp_error( $result ) ) {
return $result;
}
if ( true !== $result ) {
return new WP_Error( 'et_unknown', esc_html__( 'An unknown error has occurred. Please try again later.', 'et-core' ) );
}
/**
* Fires after successful product version rollback.
*
* @since 3.26
*
* @param string $product_short_name - The short name of the product rolling back.
* @param string $rollback_from_version - The product version rolling back from.
* @param string $rollback_to_version - The product version rolling back to.
*/
do_action( 'et_after_version_rollback', $this->product_shortname, $latest_version, $previous_version );
// Swap version numbers after a successful rollback.
$this->_set_previous_installed_version( $latest_version );
$this->_set_latest_installed_version( $previous_version );
}
/**
* Install a theme overwriting it if it already exists.
* Copied from Theme_Upgrader::install() due to lack of control over the clear_desination argument.
*
* @see Theme_Upgrader::install() @ WordPress 4.9.4
*
* @since 3.10
*
* @param string $package
*
* @return bool|WP_Error
*/
protected function _install_theme( $package ) {
require_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
$upgrader = new Theme_Upgrader( new ET_Core_LIB_SilentThemeUpgraderSkin() );
$defaults = array(
'clear_update_cache' => true,
);
$parsed_args = wp_parse_args( array(), $defaults );
$upgrader->init();
$upgrader->install_strings();
add_filter('upgrader_source_selection', array( $upgrader, 'check_package' ) );
add_filter('upgrader_post_install', array( $upgrader, 'check_parent_theme_filter' ), 10, 3 );
if ( $parsed_args['clear_update_cache'] ) {
// Clear cache so wp_update_themes() knows about the new theme.
add_action( 'upgrader_process_complete', 'wp_clean_themes_cache', 9, 0 );
}
$upgrader->run( array(
'package' => $package,
'destination' => get_theme_root(),
'clear_destination' => true, // Overwrite theme.
'clear_working' => true,
'hook_extra' => array(
'type' => 'theme',
'action' => 'install',
),
) );
remove_action( 'upgrader_process_complete', 'wp_clean_themes_cache', 9 );
remove_filter( 'upgrader_source_selection', array( $upgrader, 'check_package' ) );
remove_filter( 'upgrader_post_install', array( $upgrader, 'check_parent_theme_filter' ) );
if ( ! $upgrader->result || is_wp_error( $upgrader->result ) ) {
return $upgrader->result;
}
// Refresh the Theme Update information.
wp_clean_themes_cache( $parsed_args['clear_update_cache'] );
return true;
}
/**
* Get update documentation url for the product.
*
* @since 3.10
*
* @return string
*/
protected function _get_update_documentation_url() {
return "https://www.elegantthemes.com/documentation/{$this->product_shortname}/update-{$this->product_shortname}/";
}
/**
* Return ePanel option.
*
* @since 3.10
*
* @return array
*/
public function get_epanel_option() {
return array(
'name' => esc_html__( 'Version Rollback', 'et-core' ),
'id' => 'et_version_rollback',
'type' => 'callback_function',
'function_name' => array( $this, 'render_epanel_option' ),
'desc' => et_get_safe_localization( __( 'If you recently updated to a new version and are experiencing problems, you can easily roll back to the previously-installed version. We always recommend using the latest version and testing updates on a staging site. However, if you run into problems after updating you always have the option to roll back.', 'et-core' ) ),
);
}
/**
* Render ePanel option.
*
* @since 3.10
*
* @return void
*/
public function render_epanel_option() {
$previous = $this->_get_previous_installed_version();
$modal_renderer = array( $this, 'render_epanel_no_previous_version_modal' );
if ( ! empty( $previous ) ) {
$modal_renderer = array( $this, 'render_epanel_confirm_rollback_modal' );
if ( $this->_is_rolled_back() ) {
$modal_renderer = array( $this, 'render_epanel_already_rolled_back_modal' );
}
}
add_action( 'admin_footer', $modal_renderer );
?>
<button type="button" class="et-button et-button--simple" data-et-core-modal=".et-core-version-rollback-modal">
<?php esc_html_e( 'Rollback to the previous version', 'et-core' ); ?>
</button>
<?php
}
/**
* Render ePanel warning modal when no previous supported version has been used.
*
* @since 3.10
*
* @return void
*/
public function render_epanel_no_previous_version_modal() {
?>
<div class="et-core-modal-overlay et-core-form et-core-version-rollback-modal et-core-modal-actionless">
<div class="et-core-modal">
<div class="et-core-modal-header">
<h3 class="et-core-modal-title">
<?php esc_html_e( 'Version Rollback', 'et-core' ); ?>
</h3>
<a href="#" class="et-core-modal-close" data-et-core-modal="close"></a>
</div>
<div id="et-core-version-rollback-modal-content">
<div class="et-core-modal-content">
<p>
<?php
printf(
esc_html__( 'The previously used version of %1$s does not support version rollback.', 'et-core' ),
esc_html( $this->product_name )
);
?>
</p>
</div>
</div>
</div>
</div>
<?php
}
/**
* Render ePanel confirmation modal for rollback.
*
* @since 3.10
*
* @return void
*/
public function render_epanel_confirm_rollback_modal() {
$action = $this->_get_ajax_action();
$url = add_query_arg( array(
'action' => $action,
'nonce' => wp_create_nonce( $action ),
), admin_url( 'admin-ajax.php' ) );
?>
<div class="et-core-modal-overlay et-core-form et-core-version-rollback-modal">
<div class="et-core-modal">
<div class="et-core-modal-header">
<h3 class="et-core-modal-title">
<?php esc_html_e( 'Version Rollback', 'et-core' ); ?>
</h3>
<a href="#" class="et-core-modal-close" data-et-core-modal="close"></a>
</div>
<div id="et-core-version-rollback-modal-content">
<div class="et-core-modal-content">
<p>
<?php
echo et_get_safe_localization( sprintf(
__( 'You\'ll be rolled back to <strong>Version %1$s</strong> from the current <strong>Version %2$s</strong>.', 'et-core' ),
esc_html( $this->_get_previous_installed_version() ),
esc_html( $this->_get_latest_installed_version() )
) );
?>
</p>
<p>
<?php
echo et_get_safe_localization( sprintf(
__( 'Rolling back will reinstall the previous version of %1$s. You will be able to update to the latest version at any time. <a href="%2$s" target="_blank">Learn more here</a>.', 'et-core' ),
esc_html( $this->product_name ),
esc_url( $this->_get_update_documentation_url() )
) );
?>
</p>
<p>
<strong>
<?php esc_html_e( 'Make sure you have a full site backup before proceeding.', 'et-core' ); ?>
</strong>
</p>
</div>
<a class="et-core-modal-action et-core-version-rollback-confirm" href="<?php echo esc_url( $url ); ?>">
<?php esc_html_e( 'Rollback to the previous version', 'et-core' ); ?>
</a>
</div>
</div>
</div>
<?php
}
/**
* Render ePanel warning modal when a rollback has already been done.
*
* @since 3.10
*
* @return void
*/
public function render_epanel_already_rolled_back_modal() {
?>
<div class="et-core-modal-overlay et-core-form et-core-version-rollback-modal">
<div class="et-core-modal">
<div class="et-core-modal-header">
<h3 class="et-core-modal-title">
<?php esc_html_e( 'Version Rollback', 'et-core' ); ?>
</h3>
<a href="#" class="et-core-modal-close" data-et-core-modal="close"></a>
</div>
<div id="et-core-version-rollback-modal-content">
<div class="et-core-modal-content">
<p>
<?php
echo et_get_safe_localization( sprintf(
__( 'You\'re currently rolled back to <strong>Version %1$s</strong> from <strong>Version %2$s</strong>.', 'et-core' ),
esc_html( $this->_get_latest_installed_version() ),
esc_html( $this->_get_previous_installed_version() )
) );
?>
</p>
<p>
<?php
echo et_get_safe_localization( sprintf(
__( 'Update to the latest version to unlock the full power of %1$s. <a href="%2$s" target="_blank">Learn more here</a>.', 'et-core' ),
esc_html( $this->product_name ),
esc_url( $this->_get_update_documentation_url() )
) );
?>
</p>
</div>
<a class="et-core-modal-action" href="<?php echo esc_url( admin_url( 'update-core.php' ) ); ?>">
<?php esc_html_e( 'Update to the Latest Version', 'et-core' ); ?>
</a>
</div>
</div>
</div>
<?php
}
/**
* Store latest and previous installed version.
*
* @since 3.10
*
* @return void;
*/
public function store_previous_version_number() {
$previous_installed_version = $this->_get_previous_installed_version();
$latest_installed_version = $this->_get_latest_installed_version();
// Get the theme version since the files may have changed but
// we are still executing old code from memory.
$theme_version = et_get_theme_version();
if ( $latest_installed_version === $theme_version ) {
return;
}
if ( empty( $latest_installed_version ) ) {
$latest_installed_version = $theme_version;
}
if ( version_compare( $theme_version, $latest_installed_version, '!=') ) {
$previous_installed_version = $latest_installed_version;
$latest_installed_version = $theme_version;
}
/**
* Fires after new version number is updated.
*
* @since 4.10.0
*/
do_action( 'et_store_before_new_version_update' );
$this->_set_previous_installed_version( $previous_installed_version );
$this->_set_latest_installed_version( $latest_installed_version );
/**
* Fires after new version number is updated.
*
* @since 4.10.0
*/
do_action( 'et_store_after_new_version_update' );
}
}
endif;