name : class-plugin-installer-skin.php <?php /** * Upgrader API: Plugin_Installer_Skin class * * @package WordPress * @subpackage Upgrader * @since 4.6.0 */ /** * Plugin Installer Skin for WordPress Plugin 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 Plugin_Installer_Skin extends WP_Upgrader_Skin { public $api; public $type; public $url; public $overwrite; private $is_downgrading = false; /** * Constructor. * * Sets up the plugin installer skin. * * @since 2.8.0 * * @param array $args */ public function __construct( $args = array() ) { $defaults = array( 'type' => 'web', 'url' => '', 'plugin' => '', '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 ); } /** * Performs an action before installing a plugin. * * @since 2.8.0 */ 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 plugin by uploading a zip file. * * @since 5.5.0 * * @param WP_Error $wp_error WP_Error object. * @return bool True if the error should be hidden, false otherwise. */ public function hide_process_failed( $wp_error ) { if ( 'upload' === $this->type && '' === $this->overwrite && $wp_error->get_error_code() === 'folder_exists' ) { return true; } return false; } /** * Performs an action following a plugin install. * * @since 2.8.0 */ public function after() { // Check if the plugin can be overwritten and output the HTML. if ( $this->do_overwrite() ) { return; } $plugin_file = $this->upgrader->plugin_info(); $install_actions = array(); $from = isset( $_GET['from'] ) ? wp_unslash( $_GET['from'] ) : 'plugins'; if ( 'import' === $from ) { $install_actions['activate_plugin'] = sprintf( '<a class="button button-primary" href="%s" target="_parent">%s</a>', wp_nonce_url( 'plugins.php?action=activate&amp;from=import&amp;plugin=' . urlencode( $plugin_file ), 'activate-plugin_' . $plugin_file ), __( 'Activate Plugin &amp; Run Importer' ) ); } elseif ( 'press-this' === $from ) { $install_actions['activate_plugin'] = sprintf( '<a class="button button-primary" href="%s" target="_parent">%s</a>', wp_nonce_url( 'plugins.php?action=activate&amp;from=press-this&amp;plugin=' . urlencode( $plugin_file ), 'activate-plugin_' . $plugin_file ), __( 'Activate Plugin &amp; Go to Press This' ) ); } else { $install_actions['activate_plugin'] = sprintf( '<a class="button button-primary" href="%s" target="_parent">%s</a>', wp_nonce_url( 'plugins.php?action=activate&amp;plugin=' . urlencode( $plugin_file ), 'activate-plugin_' . $plugin_file ), __( 'Activate Plugin' ) ); } if ( is_multisite() && current_user_can( 'manage_network_plugins' ) ) { $install_actions['network_activate'] = sprintf( '<a class="button button-primary" href="%s" target="_parent">%s</a>', wp_nonce_url( 'plugins.php?action=activate&amp;networkwide=1&amp;plugin=' . urlencode( $plugin_file ), 'activate-plugin_' . $plugin_file ), _x( 'Network Activate', 'plugin' ) ); unset( $install_actions['activate_plugin'] ); } if ( 'import' === $from ) { $install_actions['importers_page'] = sprintf( '<a href="%s" target="_parent">%s</a>', admin_url( 'import.php' ), __( 'Go to Importers' ) ); } elseif ( 'web' === $this->type ) { $install_actions['plugins_page'] = sprintf( '<a href="%s" target="_parent">%s</a>', self_admin_url( 'plugin-install.php' ), __( 'Go to Plugin Installer' ) ); } elseif ( 'upload' === $this->type && 'plugins' === $from ) { $install_actions['plugins_page'] = sprintf( '<a href="%s">%s</a>', self_admin_url( 'plugin-install.php' ), __( 'Go to Plugin Installer' ) ); } else { $install_actions['plugins_page'] = sprintf( '<a href="%s" target="_parent">%s</a>', self_admin_url( 'plugins.php' ), __( 'Go to Plugins page' ) ); } if ( ! $this->result || is_wp_error( $this->result ) ) { unset( $install_actions['activate_plugin'], $install_actions['network_activate'] ); } elseif ( ! current_user_can( 'activate_plugin', $plugin_file ) || is_plugin_active( $plugin_file ) ) { unset( $install_actions['activate_plugin'] ); } /** * Filters the list of action links available following a single plugin installation. * * @since 2.7.0 * * @param string[] $install_actions Array of plugin action links. * @param object $api Object containing WordPress.org API plugin data. Empty * for non-API installs, such as when a plugin is installed * via upload. * @param string $plugin_file Path to the plugin file relative to the plugins directory. */ $install_actions = apply_filters( 'install_plugin_complete_actions', $install_actions, $this->api, $plugin_file ); if ( ! empty( $install_actions ) ) { $this->feedback( implode( ' ', (array) $install_actions ) ); } } /** * Checks if the plugin can be overwritten and outputs the HTML for overwriting a plugin on upload. * * @since 5.5.0 * * @return bool Whether the plugin 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 = ltrim( substr( $folder, strlen( WP_PLUGIN_DIR ) ), '/' ); $current_plugin_data = false; $all_plugins = get_plugins(); foreach ( $all_plugins as $plugin => $plugin_data ) { if ( strrpos( $plugin, $folder ) !== 0 ) { continue; } $current_plugin_data = $plugin_data; } $new_plugin_data = $this->upgrader->new_plugin_data; if ( ! $current_plugin_data || ! $new_plugin_data ) { return false; } echo '<h2 class="update-from-upload-heading">' . esc_html__( 'This plugin is already installed.' ) . '</h2>'; $this->is_downgrading = version_compare( $current_plugin_data['Version'], $new_plugin_data['Version'], '>' ); $rows = array( 'Name' => __( 'Plugin name' ), 'Version' => __( 'Version' ), 'Author' => __( 'Author' ), 'RequiresWP' => __( 'Required WordPress version' ), 'RequiresPHP' => __( 'Required PHP version' ), ); $table = '<table class="update-from-upload-comparison"><tbody>'; $table .= '<tr><th></th><th>' . esc_html_x( 'Current', 'plugin' ) . '</th>'; $table .= '<th>' . esc_html_x( 'Uploaded', 'plugin' ) . '</th></tr>'; $is_same_plugin = true; // Let's consider only these rows. foreach ( $rows as $field => $label ) { $old_value = ! empty( $current_plugin_data[ $field ] ) ? (string) $current_plugin_data[ $field ] : '-'; $new_value = ! empty( $new_plugin_data[ $field ] ) ? (string) $new_plugin_data[ $field ] : '-'; $is_same_plugin = $is_same_plugin && ( $old_value === $new_value ); $diff_field = ( 'Version' !== $field && $new_value !== $old_value ); $diff_version = ( 'Version' === $field && $this->is_downgrading ); $table .= '<tr><td class="name-label">' . $label . '</td><td>' . wp_strip_all_tags( $old_value ) . '</td>'; $table .= ( $diff_field || $diff_version ) ? '<td class="warning">' : '<td>'; $table .= wp_strip_all_tags( $new_value ) . '</td></tr>'; } $table .= '</tbody></table>'; /** * Filters the compare table output for overwriting a plugin package on upload. * * @since 5.5.0 * * @param string $table The output table with Name, Version, Author, RequiresWP, and RequiresPHP info. * @param array $current_plugin_data Array with current plugin data. * @param array $new_plugin_data Array with uploaded plugin data. */ echo apply_filters( 'install_plugin_overwrite_comparison', $table, $current_plugin_data, $new_plugin_data ); $install_actions = array(); $can_update = true; $blocked_message = '<p>' . esc_html__( 'The plugin cannot be updated due to the following:' ) . '</p>'; $blocked_message .= '<ul class="ul-disc">'; $requires_php = isset( $new_plugin_data['RequiresPHP'] ) ? $new_plugin_data['RequiresPHP'] : null; $requires_wp = isset( $new_plugin_data['RequiresWP'] ) ? $new_plugin_data['RequiresWP'] : null; if ( ! is_php_version_compatible( $requires_php ) ) { $error = sprintf( /* translators: 1: Current PHP version, 2: Version required by the uploaded plugin. */ __( 'The PHP version on your server is %1$s, however the uploaded plugin requires %2$s.' ), PHP_VERSION, $requires_php ); $blocked_message .= '<li>' . esc_html( $error ) . '</li>'; $can_update = false; } if ( ! is_wp_version_compatible( $requires_wp ) ) { $error = sprintf( /* translators: 1: Current WordPress version, 2: Version required by the uploaded plugin. */ __( 'Your WordPress version is %1$s, however the uploaded plugin requires %2$s.' ), get_bloginfo( 'version' ), $requires_wp ); $blocked_message .= '<li>' . esc_html( $error ) . '</li>'; $can_update = false; } $blocked_message .= '</ul>'; if ( $can_update ) { if ( $this->is_downgrading ) { $warning = sprintf( /* translators: %s: Documentation URL. */ __( 'You are uploading an older version of a current plugin. You can continue to install the older version, but be sure to <a href="%s">back up your database and files</a> first.' ), __( 'https://developer.wordpress.org/advanced-administration/security/backup/' ) ); } else { $warning = sprintf( /* translators: %s: Documentation URL. */ __( 'You are updating a plugin. Be sure to <a href="%s">back up your database and files</a> first.' ), __( 'https://developer.wordpress.org/advanced-administration/security/backup/' ) ); } echo '<p class="update-from-upload-notice">' . $warning . '</p>'; $overwrite = $this->is_downgrading ? 'downgrade-plugin' : 'update-plugin'; $install_actions['overwrite_plugin'] = sprintf( '<a class="button button-primary update-from-upload-overwrite" href="%s" target="_parent">%s</a>', wp_nonce_url( add_query_arg( 'overwrite', $overwrite, $this->url ), 'plugin-upload' ), _x( 'Replace current with uploaded', 'plugin' ) ); } else { echo $blocked_message; } $cancel_url = add_query_arg( 'action', 'upload-plugin-cancel-overwrite', $this->url ); $install_actions['plugins_page'] = sprintf( '<a class="button" href="%s">%s</a>', wp_nonce_url( $cancel_url, 'plugin-upload-cancel-overwrite' ), __( 'Cancel and go back' ) ); /** * Filters the list of action links available following a single plugin installation failure * when overwriting is allowed. * * @since 5.5.0 * * @param string[] $install_actions Array of plugin action links. * @param object $api Object containing WordPress.org API plugin data. * @param array $new_plugin_data Array with uploaded plugin data. */ $install_actions = apply_filters( 'install_plugin_overwrite_actions', $install_actions, $this->api, $new_plugin_data ); if ( ! empty( $install_actions ) ) { printf( '<p class="update-from-upload-expired hidden">%s</p>', __( 'The uploaded file has expired. Please go back and upload it again.' ) ); echo '<p class="update-from-upload-actions">' . implode( ' ', (array) $install_actions ) . '</p>'; } return true; } }