name : translation-install.php <?php /** * WordPress Translation Installation Administration API * * @package WordPress * @subpackage Administration */ /** * Retrieve translations from WordPress Translation API. * * @since 4.0.0 * * @param string $type Type of translations. Accepts 'plugins', 'themes', 'core'. * @param array|object $args Translation API arguments. Optional. * @return array|WP_Error { * On success an associative array of translations, WP_Error on failure. * * @type array $translations { * List of translations, each an array of data. * * @type array ...$0 { * @type string $language Language code. * @type string $version WordPress version. * @type string $updated Date the translation was last updated, in MySQL datetime format. * @type string $english_name English name of the language. * @type string $native_name Native name of the language. * @type string $package URL to download the translation package. * @type string[] $iso Array of ISO language codes. * @type array $strings Array of translated strings used in the installation process. * } * } * } */ function translations_api( $type, $args = null ) { if ( ! in_array( $type, array( 'plugins', 'themes', 'core' ), true ) ) { return new WP_Error( 'invalid_type', __( 'Invalid translation type.' ) ); } /** * Allows a plugin to override the WordPress.org Translation Installation API entirely. * * @since 4.0.0 * * @param false|array $result The result array. Default false. * @param string $type The type of translations being requested. * @param object $args Translation API arguments. */ $res = apply_filters( 'translations_api', false, $type, $args ); if ( false === $res ) { $url = 'http://api.wordpress.org/translations/' . $type . '/1.0/'; $http_url = $url; $ssl = wp_http_supports( array( 'ssl' ) ); if ( $ssl ) { $url = set_url_scheme( $url, 'https' ); } $options = array( 'timeout' => 3, 'body' => array( 'wp_version' => wp_get_wp_version(), 'locale' => get_locale(), 'version' => $args['version'], // Version of plugin, theme or core. ), ); if ( 'core' !== $type ) { $options['body']['slug'] = $args['slug']; // Plugin or theme slug. } $request = wp_remote_post( $url, $options ); if ( $ssl && is_wp_error( $request ) ) { wp_trigger_error( __FUNCTION__, sprintf( /* translators: %s: Support forums URL. */ __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ), __( 'https://wordpress.org/support/forums/' ) ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE ); $request = wp_remote_post( $http_url, $options ); } if ( is_wp_error( $request ) ) { $res = new WP_Error( 'translations_api_failed', sprintf( /* translators: %s: Support forums URL. */ __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ), __( 'https://wordpress.org/support/forums/' ) ), $request->get_error_message() ); } else { $res = json_decode( wp_remote_retrieve_body( $request ), true ); if ( ! is_object( $res ) && ! is_array( $res ) ) { $res = new WP_Error( 'translations_api_failed', sprintf( /* translators: %s: Support forums URL. */ __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ), __( 'https://wordpress.org/support/forums/' ) ), wp_remote_retrieve_body( $request ) ); } } } /** * Filters the Translation Installation API response results. * * @since 4.0.0 * * @param array|WP_Error $res { * On success an associative array of translations, WP_Error on failure. * * @type array $translations { * List of translations, each an array of data. * * @type array ...$0 { * @type string $language Language code. * @type string $version WordPress version. * @type string $updated Date the translation was last updated, in MySQL datetime format. * @type string $english_name English name of the language. * @type string $native_name Native name of the language. * @type string $package URL to download the translation package. * @type string[] $iso Array of ISO language codes. * @type array $strings Array of translated strings used in the installation process. * } * } * } * @param string $type The type of translations being requested. * @param object $args Translation API arguments. */ return apply_filters( 'translations_api_result', $res, $type, $args ); } /** * Get available translations from the WordPress.org API. * * @since 4.0.0 * * @see translations_api() * * @return array { * Array of translations keyed by the language code, each an associative array of data. * If the API response results in an error, an empty array will be returned. * * @type array ...$0 { * @type string $language Language code. * @type string $version WordPress version. * @type string $updated Date the translation was last updated, in MySQL datetime format. * @type string $english_name English name of the language. * @type string $native_name Native name of the language. * @type string $package URL to download the translation package. * @type string[] $iso Array of ISO language codes. * @type array $strings Array of translated strings used in the installation process. * } * } */ function wp_get_available_translations() { if ( ! wp_installing() ) { $translations = get_site_transient( 'available_translations' ); if ( false !== $translations ) { return $translations; } } $api = translations_api( 'core', array( 'version' => wp_get_wp_version() ) ); if ( is_wp_error( $api ) || empty( $api['translations'] ) ) { return array(); } $translations = array(); // Key the array with the language code. foreach ( $api['translations'] as $translation ) { $translations[ $translation['language'] ] = $translation; } if ( ! defined( 'WP_INSTALLING' ) ) { set_site_transient( 'available_translations', $translations, 3 * HOUR_IN_SECONDS ); } return $translations; } /** * Output the select form for the language selection on the installation screen. * * @since 4.0.0 * * @global string $wp_local_package Locale code of the package. * * @param array[] $languages Array of available languages (populated via the Translation API). */ function wp_install_language_form( $languages ) { global $wp_local_package; $installed_languages = get_available_languages(); echo "<label class='screen-reader-text' for='language'>Select a default language</label>\n"; echo "<select size='14' name='language' id='language'>\n"; echo '<option value="" lang="en" selected="selected" data-continue="Continue" data-installed="1">English (United States)</option>'; echo "\n"; if ( ! empty( $wp_local_package ) && isset( $languages[ $wp_local_package ] ) ) { if ( isset( $languages[ $wp_local_package ] ) ) { $language = $languages[ $wp_local_package ]; printf( '<option value="%s" lang="%s" data-continue="%s"%s>%s</option>' . "\n", esc_attr( $language['language'] ), esc_attr( current( $language['iso'] ) ), esc_attr( $language['strings']['continue'] ? $language['strings']['continue'] : 'Continue' ), in_array( $language['language'], $installed_languages, true ) ? ' data-installed="1"' : '', esc_html( $language['native_name'] ) ); unset( $languages[ $wp_local_package ] ); } } foreach ( $languages as $language ) { printf( '<option value="%s" lang="%s" data-continue="%s"%s>%s</option>' . "\n", esc_attr( $language['language'] ), esc_attr( current( $language['iso'] ) ), esc_attr( $language['strings']['continue'] ? $language['strings']['continue'] : 'Continue' ), in_array( $language['language'], $installed_languages, true ) ? ' data-installed="1"' : '', esc_html( $language['native_name'] ) ); } echo "</select>\n"; echo '<p class="step"><span class="spinner"></span><input id="language-continue" type="submit" class="button button-primary button-large" value="Continue" /></p>'; } /** * Download a language pack. * * @since 4.0.0 * * @see wp_get_available_translations() * * @param string $download Language code to download. * @return string|false Returns the language code if successfully downloaded * (or already installed), or false on failure. */ function wp_download_language_pack( $download ) { // Check if the translation is already installed. if ( in_array( $download, get_available_languages(), true ) ) { return $download; } if ( ! wp_is_file_mod_allowed( 'download_language_pack' ) ) { return false; } // Confirm the translation is one we can download. $translations = wp_get_available_translations(); if ( ! $translations ) { return false; } foreach ( $translations as $translation ) { if ( $translation['language'] === $download ) { $translation_to_load = true; break; } } if ( empty( $translation_to_load ) ) { return false; } $translation = (object) $translation; require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php'; $skin = new Automatic_Upgrader_Skin(); $upgrader = new Language_Pack_Upgrader( $skin ); $translation->type = 'core'; $result = $upgrader->upgrade( $translation, array( 'clear_update_cache' => false ) ); if ( ! $result || is_wp_error( $result ) ) { return false; } return $translation->language; } /** * Check if WordPress has access to the filesystem without asking for * credentials. * * @since 4.0.0 * * @return bool Returns true on success, false on failure. */ function wp_can_install_language_pack() { if ( ! wp_is_file_mod_allowed( 'can_install_language_pack' ) ) { return false; } require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php'; $skin = new Automatic_Upgrader_Skin(); $upgrader = new Language_Pack_Upgrader( $skin ); $upgrader->init(); $check = $upgrader->fs_connect( array( WP_CONTENT_DIR, WP_LANG_DIR ) ); if ( ! $check || is_wp_error( $check ) ) { return false; } return true; }