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📁 advanced-settings
📄 class-advanced-tab.php(32.4 KB)
📄 class-check-invalid-text.php(3.98 KB)
📄 class-edd-sl-plugin-updater.php(31.89 KB)
📄 class-editor-api-gettext-strings.php(4.24 KB)
📄 class-editor-api-regular-strings.php(15.23 KB)
📄 class-elementor-language-for-blocks.php(9.86 KB)
📄 class-error-manager.php(12.11 KB)
📄 class-hooks-loader.php(4.86 KB)
📄 class-install-plugins.php(4.42 KB)
📄 class-language-switcher-tab.php(18.72 KB)
📄 class-language-switcher-v2.php(33.04 KB)
📄 class-language-switcher.php(22.52 KB)
📄 class-languages.php(40.47 KB)
📄 class-machine-translation-tab.php(12.76 KB)
📄 class-machine-translator-logger.php(5.56 KB)
📄 class-machine-translator.php(17.8 KB)
📄 class-onboarding.php(8.62 KB)
📄 class-plugin-notices.php(23.01 KB)
📄 class-plugin-optin.php(10.52 KB)
📄 class-preferred-user-language.php(4.65 KB)
📄 class-reviews.php(7.01 KB)
📄 class-rewrite-rules.php(1.08 KB)
📄 class-search.php(6.2 KB)
📄 class-settings.php(30 KB)
📄 class-translation-manager.php(45.93 KB)
📄 class-translation-memory.php(4.04 KB)
📄 class-translation-render.php(92.95 KB)
📄 class-upgrade.php(44.09 KB)
📄 class-uri.php(8.35 KB)
📄 class-url-converter.php(45.71 KB)
📄 class-woocommerce-emails.php(8.33 KB)
📄 class-wp-bakery-language-for-blocks.php(9.7 KB)
📄 compatibility-functions.php(71.42 KB)
📄 custom-language.php(8.31 KB)
📄 external-functions.php(5.13 KB)
📄 functions.php(28.87 KB)
📁 gettext
📁 google-translate
📁 gutenberg-blocks
📁 mtapi
📁 onboarding
📁 queries
📄 shortcodes.php(1.25 KB)
📁 string-translation
📄 trp-ajax.php(6.53 KB)

Editing: class-machine-translator.php

<?php

/**
 * Class TRP_Machine_Translator
 *
 * Facilitates Machine Translation calls
 */
class TRP_Machine_Translator {
    protected $settings;
	protected $referer;
	protected $url_converter;
	protected $machine_translator_logger;
	protected $machine_translation_codes;
	protected $trp_languages;
    protected $correct_api_key = null;
    /**
     * TRP_Machine_Translator constructor.
     *
     * @param array $settings         Settings option.
     */
    public function __construct( $settings ){
        $this->settings = $settings;

$trp                             = TRP_Translate_Press::get_trp_instance();
        if ( ! $this->machine_translator_logger ) {
            $this->machine_translator_logger = $trp->get_component('machine_translator_logger');
        }
        if ( ! $this->trp_languages ) {
            $this->trp_languages = $trp->get_component('languages');
        }
        $this->machine_translation_codes = $this->trp_languages->get_iso_codes($this->settings['translation-languages']);
        add_filter( 'trp_exclude_words_from_automatic_translation', array( $this, 'sort_exclude_words_from_automatic_translation_array' ), 99999, 1 );
        add_filter( 'trp_exclude_words_from_automatic_translation', array( $this, 'exclude_special_symbol_from_translation' ), 9999, 2 );

add_filter('trp_add_google_v2_supported_languages_to_the_array', array( $this, 'add_google_v2_supported_languages_that_are_not_returned_by_the_post_response'), 10, 1);
    }

/**
     * Whether automatic translation is available.
     *
     * @param array $languages
     * @return bool
     */
    public function is_available( $languages = array() ){
        if( !empty( $this->settings['trp_machine_translation_settings']['machine-translation'] ) &&
            $this->settings['trp_machine_translation_settings']['machine-translation'] == 'yes'
        ) {
            if ( empty( $languages ) ){
                // can be used to simply know if machine translation is available
                return true;
            }

return $this->check_languages_availability($languages);

}else {
            return false;
        }
    }

public function check_languages_availability( $languages, $force_recheck = false ){
        if ( !method_exists( $this, 'get_supported_languages' ) || !method_exists( $this, 'get_engine_specific_language_codes' )){
            return true;
        }
        $force_recheck = ( current_user_can('manage_options') &&
            !empty( $_GET['trp_recheck_supported_languages']) && $_GET['trp_recheck_supported_languages'] === '1' &&
            wp_verify_nonce( sanitize_text_field( $_GET['trp_recheck_supported_languages_nonce'] ), 'trp_recheck_supported_languages' ) ) ? true : $force_recheck; //phpcs:ignore
        $data = get_option('trp_db_stored_data', array() );
        if ( isset( $_GET['trp_recheck_supported_languages'] )) {
            unset($_GET['trp_recheck_supported_languages'] );
        }

// if supported languages are not stored, fetch them and update option
        if ( empty( $data['trp_mt_supported_languages'][$this->settings['trp_machine_translation_settings']['translation-engine']]['last-checked'] ) || $force_recheck || ( method_exists($this,'check_formality') && !isset($data['trp_mt_supported_languages'][$this->settings['trp_machine_translation_settings']['translation-engine']]['formality-supported-languages']))){
            if ( empty( $data['trp_mt_supported_languages'] ) ) {
                $data['trp_mt_supported_languages'] = array();
            }
            if ( empty( $data['trp_mt_supported_languages'][ $this->settings['trp_machine_translation_settings']['translation-engine'] ] ) ) {
                $data['trp_mt_supported_languages'][ $this->settings['trp_machine_translation_settings']['translation-engine'] ] = array( 'languages' => array() );
            }

if ( isset($this->settings['trp_machine_translation_settings']['google-translate-key'])) {
                $data['trp_mt_supported_languages'][ $this->settings['trp_machine_translation_settings']['translation-engine'] ]['languages'] = $this->get_supported_languages();
            }
            if (method_exists($this, 'check_formality')) {
                $data['trp_mt_supported_languages'][ $this->settings['trp_machine_translation_settings']['translation-engine'] ]['formality-supported-languages'] = $this->check_formality();
            }
            $data['trp_mt_supported_languages'][$this->settings['trp_machine_translation_settings']['translation-engine']]['last-checked'] = date("Y-m-d H:i:s" );
            update_option('trp_db_stored_data', $data );
        }

$languages_iso_to_check = $this->get_engine_specific_language_codes( $languages );

$all_are_available = !array_diff($languages_iso_to_check, $data['trp_mt_supported_languages'][$this->settings['trp_machine_translation_settings']['translation-engine']]['languages']);

return apply_filters('trp_mt_available_supported_languages', $all_are_available, $languages, $this->settings );
    }

public function get_last_checked_supported_languages(){
        $data = get_option('trp_db_stored_data', array() );
        if ( empty( $data['trp_mt_supported_languages'][$this->settings['trp_machine_translation_settings']['translation-engine']]['last-checked'] ) ){
            $this->check_languages_availability( $this->settings['translation-languages'], true);
        }
        return $data['trp_mt_supported_languages'][$this->settings['trp_machine_translation_settings']['translation-engine']]['last-checked'];
    }

/**
     * Output an SVG based on translation engine and error flag.
     *
     * @param bool $show_errors true to show an error SVG, false if not.
     */
    public function automatic_translation_svg_output( $show_errors ) {
        if ( method_exists( $this, 'automatic_translate_error_check' ) ) {
            if ( $show_errors ) {
                trp_output_svg( 'error' );
            } else {
                trp_output_svg( 'check' );
            }
        }
        
    }

/**
     *
     * @deprecated
     * Check the automatic translation API keys for Google Translate and DeepL.
     *
     * @param TRP_Translate_Press $machine_translator Machine translator instance.
     * @param string $translation_engine              The translation engine (can be google_translate_v2 and deepl).
     * @param string $api_key                         The API key to check.
     *
     * @return array [ (string) $message, (bool) $error ].
     */
    public function automatic_translate_error_check( $machine_translator, $translation_engine, $api_key ) {

$is_error       = false;
        $return_message = '';

switch ( $translation_engine ) {
            case 'google_translate_v2':
                if ( empty( $api_key ) ) {
                    $is_error = true;
                    $return_message = __( 'Please enter your Google Translate key.', 'translatepress-multilingual' );
                } else {
                    // Perform test.
                    $response = $machine_translator->test_request();
                    $code     = wp_remote_retrieve_response_code( $response );
                    if ( 200 !== $code ) {
                        $is_error        = true;
                        $translate_response = trp_gt_response_codes( $code );
                        $return_message     = $translate_response['message'];
                    }
                }
                break;
            case 'deepl':
                if ( empty( $api_key ) ) {
                    $is_error = true;
                    $return_message = __( 'Please enter your DeepL API key.', 'translatepress-multilingual' );
                } else {
                    // Perform test.
                    $is_error= false;
                    $response = $machine_translator->test_request();
                    $code     = wp_remote_retrieve_response_code( $response );
                    if ( 200 !== $code && ( method_exists( 'TRP_DeepL', 'deepl_response_codes' ) || method_exists( 'TRP_IN_DeepL', 'deepl_response_codes' ) ) ) {

// Test whether the old deepL add-on or the new repackaging model is used
						if ( method_exists( 'TRP_DeepL', 'deepl_response_codes' ) ) {
							$translate_response = TRP_DeepL::deepl_response_codes( $code );
						} else {
							$translate_response = TRP_IN_DeepL::deepl_response_codes( $code );
						}
	                    $is_error       = true;
                        $return_message = $translate_response['message'];
                    }
                }
                break;
            default:
                break;
        }

$this->correct_api_key=array(
            'message' => $return_message,
            'error'   => $is_error,
        );

return $this->correct_api_key;
    }

// checking if the api_key is correct in order to display unsupported languages

public function is_correct_api_key(){

if(method_exists($this, 'check_api_key_validity')){
            $verification = $this->check_api_key_validity();
        }else {
            //we only need this values for automatic translate error check function for backwards compatibility

$machine_translator = $this;
            $translation_engine = $this->settings['trp_machine_translation_settings']['translation-engine'];
            $api_key = $this->get_api_key();
            $verification = $this->automatic_translate_error_check( $machine_translator, $translation_engine, $api_key );
        }
        if($verification['error']== false) {
            return true;
        }
        return false;
    }

/**
	 * Return site referer
	 *
	 * @return string
	 */
	public function get_referer(){
		if( ! $this->referer ) {
			if( ! $this->url_converter ) {
				$trp = TRP_Translate_Press::get_trp_instance();
				$this->url_converter = $trp->get_component( 'url_converter' );
			}

$this->referer = $this->url_converter->get_abs_home();
		}

return $this->referer;
	}

/**
     * Verifies that the machine translation request is valid
     * @deprecated  since TP 1.6.0 (only here to support Deepl Add-on version 1.0.0)
     *
     * @param  string $to_language language we're looking to translate to
     * @return bool
     */
    public function verify_request( $to_language ){

if( empty( $this->get_api_key() ) ||
            empty( $to_language ) || $to_language == $this->settings['default-language'] ||
            empty( $this->machine_translation_codes[$this->settings['default-language']] )
          )
            return false;

// Method that can be extended in the child class to add extra validation
        if( !$this->extra_request_validations( $to_language ) )
            return false;

// Check if crawlers are blocked
        if( !empty( $this->settings['trp_machine_translation_settings']['block-crawlers'] ) && $this->settings['trp_machine_translation_settings']['block-crawlers'] == 'yes' && $this->is_crawler() )
            return false;

// Check if daily quota is met
        if( $this->machine_translator_logger->quota_exceeded() )
            return false;

return true;

}

/**
     * Verifies that the machine translation request is valid
     *
     * @param  string $target_language_code language we're looking to translate to
     * @param  string $source_language_code language we're looking to translate from
     * @return bool
     */
    public function verify_request_parameters($target_language_code, $source_language_code){
        if( empty( $this->get_api_key() ) ||
            empty( $target_language_code ) || empty( $source_language_code ) ||
            empty( $this->machine_translation_codes[$target_language_code] ) ||
            empty( $this->machine_translation_codes[$source_language_code] ) ||
            $this->machine_translation_codes[$target_language_code] == $this->machine_translation_codes[$source_language_code]
        )
            return false;

// Method that can be extended in the child class to add extra validation
        if( !$this->extra_request_validations( $target_language_code ) )
            return false;

// Check if daily quota is met
        if( $this->machine_translator_logger->quota_exceeded() )
            return false;

return true;
    }

/**
     * Verifies user agent to check if the request is being made by a crawler
     *
     * @return boolean
     */
    private function is_crawler(){
        if( !isset( $_SERVER['HTTP_USER_AGENT'] ) )
            return false;

return preg_match( '/'. $crawlers .'/i', sanitize_text_field ( $_SERVER['HTTP_USER_AGENT'] ) );
    }

private function get_placeholders( $count ){
	    $placeholders = array();
	    for( $i = 1 ; $i <= $count; $i++ ){
            $placeholders[] = '1TP' . $i . 'T';
        }
	    return $placeholders;
    }

/**
     * Function to be used externally
     *
     * @param $strings
     * @param $target_language_code
     * @param $source_language_code
     * @return array
     */
    public function translate($strings, $target_language_code, $source_language_code = null ){
        if ( !empty($strings) && is_array($strings) && method_exists( $this, 'translate_array' ) && apply_filters( 'trp_disable_automatic_translations_due_to_error', false ) === false ) {

/* google has a problem translating this characters ( '%', '$', '#' )...for some reasons it puts spaces after them so we need to 'encode' them and decode them back. hopefully it won't break anything important */
            /* we put '%s' before '%' because google seems to transform %s into % in strings for some languages which causes a 500 Fatal Error in PHP 8*/
            $imploded_strings = implode(" ", $strings);
            $trp_exclude_words_from_automatic_translation = apply_filters('trp_exclude_words_from_automatic_translation', array('%s', '%d', '%', '$', '#'), $imploded_strings);
            $placeholders = $this->get_placeholders(count($trp_exclude_words_from_automatic_translation));
            $shortcode_tags_to_execute = apply_filters( 'trp_do_these_shortcodes_before_automatic_translation', array('trp_language') );

$strings = array_unique($strings);
            $original_strings = $strings;

foreach ($strings as $key => $string) {
                /* html_entity_decode is needed before replacing the character "#" from the list because characters like &#8220; (8220 utf8)
                 * will get an extra space after '&' which will break the character, rendering it like this: & #8220;
                 */

$strings[$key] = str_replace($trp_exclude_words_from_automatic_translation, $placeholders, html_entity_decode( $string ));
                $strings[$key] = trp_do_these_shortcodes( $strings[$key], $shortcode_tags_to_execute );
            }

if ( $this->settings['trp_machine_translation_settings']['translation-engine'] === 'deepl' && defined( 'TRP_DL_PLUGIN_VERSION' ) && TRP_DL_PLUGIN_VERSION === '1.0.0' ) {
                // backwards compatibility with deepl version 1.0.0 which doesn't have the third function parameter $source_language_code
                $machine_strings = $this->translate_array($strings, $target_language_code);
            }else {
                $machine_strings = $this->translate_array($strings, $target_language_code, $source_language_code);
            }

$machine_strings_return_array = array();
            if (!empty($machine_strings)) {
                foreach ($machine_strings as $key => $machine_string) {
                    $machine_strings_return_array[$original_strings[$key]] = str_ireplace( $placeholders, $trp_exclude_words_from_automatic_translation, $machine_string );
                }
            }
            return $machine_strings_return_array;
        }else {
            return array();
        }
    }

/**
     * @param $trp_exclude_words_from_automatic_translation
     * @return mixed
     *
     * We need to sort the $trp_exclude_words_from_automatic_translation array descending because we risk to not translate excluded multiple words when one
     * is repeated ( example: Facebook, Facebook Store, Facebook View, because Facebook was the first one in the array it was replaced with a code and the
     * other words group ( Store, View) were translated)
     */
    public function sort_exclude_words_from_automatic_translation_array($trp_exclude_words_from_automatic_translation){
        usort($trp_exclude_words_from_automatic_translation, array($this,"sort_array"));

return $trp_exclude_words_from_automatic_translation;
    }

public function sort_array($a, $b){
        return strlen($b)-strlen($a);
    }

public function test_request(){}

public function get_api_key(){
        return false;
    }

public function extra_request_validations( $to_language ){
        return true;
    }

public function exclude_special_symbol_from_translation($array, $strings){
        $float_array_symbols = array('d', 's', 'e', 'E', 'f', 'F', 'g', 'G', 'h', 'H');
        foreach ($float_array_symbols as $float_array_symbol){
            for($i= 1; $i<=10; $i++) {
                $symbol = '%'.$i .'$'.$float_array_symbol;
                if ( strpos( $strings, $symbol ) !== false ) {
                    $array[] = '%' . $i . '$' . $float_array_symbol;
                }
            }
        }
        return $array;
    }

}

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