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✏️ Editing: auto-download-locales.php

<?php

class WPML_ST_MO_Downloader {
	const   LOCALES_XML_FILE = 'http://d2pf4b3z51hfy8.cloudfront.net/wp-locales.xml.gz';

const   CONTEXT = 'WordPress';
	private $settings;
	private $xml;
	private $translation_files = array();
	/**
	 * @var array<array<string>>
	 */
	private $lang_map;
	/**
	 * @var array<array<string>>
	 */
	private $lang_map_rev;

function __construct() {
		global $wp_version;

// requires Sitepress
		if ( ! defined( 'ICL_SITEPRESS_VERSION' ) || ICL_PLUGIN_INACTIVE ) {
			return;
		}

$wpversion = preg_replace( '#-(.+)$#', '', $wp_version );

$this->settings = get_option( 'icl_adl_settings' );

if ( empty( $this->settings['wp_version'] ) || version_compare( $wpversion, $this->settings['wp_version'], '>' ) ) {
			try {
				$this->updates_check( array( 'trigger' => 'wp-update' ) );
			} catch ( Exception $e ) {
				// do nothing - this is automated request for updates
			}
		}

if ( get_transient( 'WPML_ST_MO_Downloader_lang_map' ) === false ) {
			$this->set_lang_map_from_csv();
		}
		$this->lang_map     = get_transient( 'WPML_ST_MO_Downloader_lang_map' );
		$this->lang_map_rev = array_flip( $this->lang_map );

add_action( 'wp_ajax_icl_adm_updates_check', array( $this, 'show_updates' ) );
		add_action( 'wp_ajax_icl_adm_save_preferences', array( $this, 'save_preferences' ) );

}

function set_lang_map_from_csv() {
		$fh = fopen( WPML_ST_PATH . '/inc/lang-map.csv', 'r' );
		if ( ! $fh ) {
			//@todo: test if frontend needs msg
			return;
		}
		while ( list($locale, $code) = fgetcsv( $fh ) ) {
				$this->lang_map[ $locale ] = $code;
		}

if ( isset( $this->lang_map ) && is_array( $this->lang_map ) ) {
			set_transient( 'WPML_ST_MO_Downloader_lang_map', $this->lang_map );
		}

}

function updates_check( $args = array() ) {
		global $wp_version, $sitepress;

$wpversion = preg_replace( '#-(.+)$#', '', $wp_version );
		$trigger   = 'manual';
		extract( $args, EXTR_OVERWRITE );

$active_languages = $sitepress->get_active_languages();
		$default_language = $sitepress->get_default_language();
		$this->load_xml();
		$this->get_translation_files();
		$updates = array();

foreach ( $active_languages as $language ) {
			if ( $language != $default_language ) {
				if ( isset( $this->translation_files[ $language['code'] ] ) ) {
					foreach ( $this->translation_files[ $language['code'] ] as $project => $info ) {
						$this->settings['translations'][ $language['code'] ][ $project ]['available'] = $info['signature'];
						if ( empty( $this->settings['translations'][ $language['code'] ][ $project ]['installed'] ) ||
							 ( isset( $info['available'] ) && $this->settings['translations'][ $language['code'] ][ $project ]['installed'] != $info['available'] )
						) {
							$updates['languages'][ $language['code'] ][ $project ] = $this->settings['translations'][ $language['code'] ][ $project ]['available'];
						}
					}
				}
			}
		}

$this->settings['wp_version']                  = $wpversion;
		$this->settings['last_time_xml_check']         = time();
		$this->settings['last_time_xml_check_trigger'] = $trigger;
		$this->save_settings();

return $updates;

}

function show_updates() {
		global $sitepress;

$html = '';

try {
			$updates = $this->updates_check();
			// filter only core( & admin)
			$updates_core = array();
			if ( array_key_exists( 'languages', $updates ) && ! empty( $updates['languages'] ) ) {
				foreach ( $updates['languages'] as $k => $v ) {
					if ( ! empty( $v['core'] ) ) {
						$updates_core['languages'][ $k ]['core'] = $v['core'];
					}
					if ( ! empty( $v['admin'] ) ) {
						$updates_core['languages'][ $k ]['admin'] = $v['admin'];
					}
				}
			}
			$updates = $updates_core;
			if ( ! empty( $updates ) ) {
				$html .= '<table>';

foreach ( $updates['languages'] as $language => $projects ) {
					$l = $sitepress->get_language_details( $language );

if ( ! empty( $projects['core'] ) || ! empty( $projects['admin'] ) ) {

$vkeys = array();
						foreach ( $projects as $key => $value ) {
							$vkeys[] = $key . '|' . $value;
						}
						$version_key = join( ';', $vkeys );

$html .= '<tr>';
						$html .= '<td>' . sprintf(
							__( 'Updated %s translation is available', 'wpml-string-translation' ),
							'<strong>' . $l['display_name'] . '</strong>'
						) . '</td>';
						$html .= '<td align="right">';
						$html .= '<a href="' . admin_url( 'admin.php?page=' . WPML_ST_FOLDER . '/menu/string-translation.php&amp;download_mo=' . $language . '&amp;version=' . $version_key ) . '" class="button-secondary">' . __( 'Review changes and update', 'wpml-string-translation' ) . '</a>';
						$html .= '</td>';
						$html .= '<tr>';
						$html .= '</tr>';
					}
				}

$html .= '</table>';
			} else {
				$html .= __( 'No updates found.', 'wpml-string-translation' );
			}
		} catch ( Exception $error ) {
			$html .= '<span style="color:#f00" >' . $error->getMessage() . '</span>';
		}

echo json_encode( array( 'html' => $html ) );
		exit;
	}

function save_preferences() {
		global $sitepress;

$iclsettings['st']['auto_download_mo'] = @intval( $_POST['auto_download_mo'] );
		$iclsettings['hide_upgrade_notice']    = implode( '.', array_slice( explode( '.', ICL_SITEPRESS_VERSION ), 0, 3 ) );
		$sitepress->save_settings( $iclsettings );
		if ( $iclsettings['st']['auto_download_mo'] ) {
			try {
				$this->updates_check( array( 'trigger' => 'setting-changed' ) );
			} catch ( Exception $e ) {
			}
		}
		wp_send_json_success( array( 'enabled' => $iclsettings['st']['auto_download_mo'] ) );
	}

function save_settings() {
		update_option( 'icl_adl_settings', $this->settings );
	}

function get_option( $name ) {
		return isset( $this->settings[ $name ] ) ? $this->settings[ $name ] : null;
	}

function load_xml() {
		if ( ! class_exists( 'WP_Http' ) ) {
			include_once ABSPATH . WPINC . '/class-http.php';
		}
		$client   = new WP_Http();
		$response = $client->request(
			self::LOCALES_XML_FILE,
			array(
				'timeout'    => 15,
				'decompress' => false,
			)
		);

if ( is_wp_error( $response ) || ! in_array( $response['response']['code'], array( 200, 301, 300 ) ) ) {
			$load_xml_error_message = '';
			if ( isset( $response->errors ) ) {
				$errors = '';
				foreach ( $response->errors as $error => $error_messages ) {
					$errors .= $error . '<br/>';
					foreach ( $error_messages as $error_message ) {
						$errors .= '- ' . $error_message . '<br/>';
					}
				}
				$load_xml_error_message .= sprintf( __( 'Failed downloading the language information file.', 'wpml-string-translation' ), $errors );
				$load_xml_error_message .= '<br/>' . sprintf( __( 'Errors: %s', 'wpml-string-translation' ), $errors );
			} else {
				$load_xml_error_message .= __( 'Failed downloading the language information file. Please go back and try a little later.', 'wpml-string-translation' );
			}

if ( ! is_wp_error( $response ) && isset( $response['response'] ) ) {
				$load_xml_error_message .= '<br/>Response: ' . $response['response']['code'] . ' (' . $response['response']['message'] . ').';
			}

$this->xml = false;

throw new Exception( $load_xml_error_message );
		} elseif ( $response['response']['code'] == 200 ) {
			require_once ICL_PLUGIN_PATH . '/lib/icl_api.php';
			$this->xml = new SimpleXMLElement( icl_gzdecode( $response['body'] ) );
		}
	}

function get_mo_file_urls( $wplocale ) {
		if ( ! $this->xml ) {
			return false;
		}

global $wp_version;

$wpversion = preg_replace( '#-(.+)$#', '', $wp_version );
		$wpversion = join( '.', array_slice( explode( '.', $wpversion ), 0, 2 ) ) . '.x';

$exp      = explode( '-', $wplocale );
		$language = $exp[0];
		$locale   = isset( $exp[1] ) ? $wplocale : $language;

$mo_files = array();

$projects = $this->xml->xpath( $language . '/' . $locale );
		if ( ! empty( $projects ) ) {

$project_names = array();
			foreach ( $projects[0] as $project_name => $data ) {
				// subprojects
				if ( empty( $data->versions ) ) {
					$subprojects = $this->xml->xpath( $language . '/' . $locale . '/' . $project_name );
					if ( ! empty( $subprojects ) ) {
						foreach ( $subprojects[0] as $sub_project_name => $sdata ) {
							$project_names[] = $project_name . '/' . $sub_project_name;
						}
					}
				} else {
					$project_names[] = $project_name;
				}
			}

if ( ! empty( $project_names ) ) {
				foreach ( $project_names as $project_name ) {
					// try to get the corresponding version
					$locv_path = $this->xml->xpath( "{$language}/{$locale}/{$project_name}/versions/version[@number=\"" . $wpversion . '"]' );
					// try to get the dev recent version
					if ( empty( $locv_path ) ) {
						$locv_path = $this->xml->xpath( "{$language}/{$locale}/{$project_name}/versions/version[@number=\"dev\"]" );
					}
					if ( ! empty( $locv_path ) ) {
						$mo_files[ $project_name ]['url']          = (string) $locv_path[0]->url;
						$mo_files[ $project_name ]['signature']    = (string) $locv_path[0]['signature'];
						$mo_files[ $project_name ]['translated']   = (string) $locv_path[0]['translated'];
						$mo_files[ $project_name ]['untranslated'] = (string) $locv_path[0]['untranslated'];
					}
				}
			}
		}

return $mo_files;
	}

function get_translation_files() {
		global $sitepress;

$active_languages = $sitepress->get_active_languages();

foreach ( $active_languages as $language ) {
			$locale = $sitepress->get_locale( $language['code'] );
			if ( ! isset( $this->lang_map[ $locale ] ) ) {
				continue;
			}
			$wplocale = $this->lang_map[ $locale ];

$urls = $this->get_mo_file_urls( $wplocale );

if ( ! empty( $urls ) ) {
				$this->translation_files[ $language['code'] ] = $urls;
			}
		}

return $this->translation_files;
	}

function get_translations( $language, $args = array() ) {
		global $wpdb;

$translations = array();
		$types        = array( 'core' );

extract( $args, EXTR_OVERWRITE );

if ( ! class_exists( 'WP_Http' ) ) {
			include_once ABSPATH . WPINC . '/class-http.php';
		}
		$client = new WP_Http();

foreach ( $types as $type ) {

if ( isset( $this->translation_files[ $language ][ $type ]['url'] ) ) {

$response = $client->request( $this->translation_files[ $language ][ $type ]['url'], array( 'timeout' => 15 ) );

if ( is_wp_error( $response ) ) {
					$err = __( 'Error getting the translation file. Please go back and try again.', 'wordpress-language' );
					if ( isset( $response->errors['http_request_failed'][0] ) ) {
						$err .= '<br />' . $response->errors['http_request_failed'][0];
					}
					echo '<div class="error"><p>' . $err . '</p></div>';
					return false;

}

$mo          = new MO();

// @see wpmldev-1856
				$pomo_reader = new POMO_StringReader( $response['body'] );
				/** @phpstan-ignore-next-line */
				$mo->import_from_reader( $pomo_reader );
				$data            = $wpdb->get_results(
					$wpdb->prepare(
						"
                            SELECT st.value, s.name, s.gettext_context
                            FROM {$wpdb->prefix}icl_string_translations st
                            JOIN {$wpdb->prefix}icl_strings s ON st.string_id = s.id
                            WHERE s.context = %s AND st.language = %s
							",
						self::CONTEXT,
						$language
					)
				);
				$string_existing = array();
				foreach ( $data as $row ) {
					$string_existing[ md5( $row->name . $row->gettext_context ) ] = $row->value;
				}

foreach ( $mo->entries as $key => $v ) {

$tpairs      = array();
					$v->singular = str_replace( "\n", '\n', $v->singular );
					$tpairs[]    = array(
						'string'          => $v->singular,
						'translation'     => $v->translations[0],
						'name'            => md5( $v->singular ),
						'gettext_context' => $v->context,
					);

if ( $v->is_plural ) {
						$v->plural = str_replace( "\n", '\n', $v->plural );
						$tpairs[]  = array(
							'string'          => $v->plural,
							'translation'     => ! empty( $v->translations[1] ) ? $v->translations[1] : $v->translations[0],
							'name'            => md5( $v->plural ),
							'gettext_context' => $v->context,
						);
					}

foreach ( $tpairs as $pair ) {
						$key                  = md5( $pair['name'] . $pair['gettext_context'] );
						$existing_translation = isset( $string_existing[ $key ] ) ? $string_existing[ $key ] : null;

if ( empty( $existing_translation ) ) {
							$translations['new'][] = array(
								'string'          => $pair['string'],
								'translation'     => '',
								'new'             => $pair['translation'],
								'name'            => $pair['name'],
								'gettext_context' => $pair['gettext_context'],
							);
						} else {

if ( strcmp( $existing_translation, $pair['translation'] ) !== 0 ) {
								$translations['updated'][] = array(
									'string'          => $pair['string'],
									'translation'     => $existing_translation,
									'new'             => $pair['translation'],
									'name'            => $pair['name'],
									'gettext_context' => $pair['gettext_context'],
								);
							}
						}
					}
				}
			}
		}

return $translations;
	}

function save_translations( $data, $language, $version = false ) {

set_time_limit( 0 );

if ( false === $version ) {
			global $wp_version;
			$version = preg_replace( '#-(.+)$#', '', $wp_version );
		}

foreach ( $data as $key => $string ) {
			if ( $string['gettext_context'] ) {
				$string_context = array(
					'domain'  => self::CONTEXT,
					'context' => $string['gettext_context'],
				);
			} else {
				$string_context = self::CONTEXT;
			}
			$string_id = icl_register_string( $string_context, $string['name'], $string['string'] );
			if ( $string_id ) {
				icl_add_string_translation( $string_id, $language, $string['translation'], ICL_TM_COMPLETE );
			}
		}

$version_projects = explode( ';', $version );
		foreach ( $version_projects as $project ) {
			$exp = explode( '|', $project );
			$this->settings['translations'][ $language ][ $exp[0] ]['time']      = time();
			$this->settings['translations'][ $language ][ $exp[0] ]['installed'] = $exp[1];
		}

$this->save_settings();

}

MR SKB