%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* Class TRP_Ajax
*
* Custom Ajax to get translation of dynamic elements.
*/
class TRP_Ajax{
protected $connection;
protected $table_prefix;
/**
* TRP_Ajax constructor.
*
* Establishes db connection and triggers function to output translations.
*/
public function __construct( ){
if ( !isset( $_POST['action'] ) || $_POST['action'] !== 'trp_get_translations_regular' || empty( $_POST['originals'] ) || empty( $_POST['language'] ) || empty( $_POST['original_language'] ) ) {
die();
}
include './external-functions.php';
if ( !trp_is_valid_language_code( $_POST['language'] ) || !trp_is_valid_language_code( $_POST['original_language'] ) ) {//phpcs:ignore
echo json_encode( 'TranslatePress Error: Invalid language code' );
exit;
}
if ( $this->connect_to_db() ){
$this->output_translations(
$this->sanitize_strings( $_POST['originals'] ),//phpcs:ignore
$this->sanitize_strings( $_POST['skip_machine_translation'] ),//phpcs:ignore
mysqli_real_escape_string( $this->connection, $_POST['language'] ), /* phpcs:ignore */ /* validated with trp_is_valid_language_code on line 25 */
mysqli_real_escape_string( $this->connection, $_POST['original_language'] ) /* phpcs:ignore */ /* validated with trp_is_valid_language_code on line 25 */
);
//Successful connection to DB
mysqli_close($this->connection);
}else{
//Error connecting to DB
$this->return_error();
}
}
/**
* Sanitize posted strings.
*
* @param array $posted_strings Array of strings.
* @return array Sanitized array of strings.
*/
protected function sanitize_strings( $posted_strings){
$numerals_option = ( isset( $_POST['translate_numerals_opt'] ) && $_POST['translate_numerals_opt'] === 'yes' ) ? 'yes' : 'no';
$strings = json_decode( $posted_strings );
if ( is_array( $strings ) ) {
foreach ($strings as $key => $string) {
$strings[$key] = mysqli_real_escape_string( $this->connection, trp_full_trim( $string, array( 'numerals'=> $numerals_option ) ) );
}
}
return $strings;
}
/**
* Finds db credentials in wp-config file and tries to connect to db.
*
* @return bool Whether connection was succesful or not.
*/
protected function connect_to_db(){
$file = dirname(dirname(dirname(dirname(dirname(__FILE__))))) . '/wp-config.php';
try {
$content = @file_get_contents($file);
if ($content == false) {
return false;
}
} catch (Exception $e) {
return false;
}
// remove single line and multi-line /* Comments */
$content = preg_replace('!/\*.*?\*/!s', '', $content);
$content = preg_replace('/\n\s*\n/', "\n", $content);
// remove single line double slashes
$content = preg_replace('#^\s*//.+$#m', "", $content);
$credentials = array(
'db_name' => 'DB_NAME',
'db_user' => 'DB_USER',
'db_password' => 'DB_PASSWORD',
'db_host' => 'DB_HOST',
'db_charset' => 'DB_CHARSET'
);
foreach ( $credentials as $credential => $constant_name ) {
if ( preg_match_all( "/define\s*\(\s*['\"]" . $constant_name . "['\"]\s*,\s*['\"](.*?)['\"]\s*\)/", $content, $result ) ) {
$credentials[ $credential ] = $result[1][0];
} else {
return false;
}
}
$this->connection = mysqli_connect( $credentials['db_host'], $credentials['db_user'], $credentials['db_password'], $credentials['db_name'] );
// Check connection
if ( mysqli_connect_errno() ) {
//Failed to connect to MySQL.
return false;
}
mysqli_set_charset ( $this->connection , $credentials['db_charset'] );
if ( preg_match_all( '/\$table_prefix\s*=\s*[\'"](.*?)[\'"]/', $content, $results ) ) {
$this->table_prefix = end( $results[1] );
}else{
$this->table_prefix = $this->sql_find_table_prefix();
if ( $this->table_prefix === false ){
return false;
}
}
return true;
}
/**
* Get WP table prefix.
*
* @return string Table prefix.
*/
protected function sql_find_table_prefix(){
$sql = "SELECT DISTINCT SUBSTRING(`TABLE_NAME` FROM 1 FOR ( LENGTH(`TABLE_NAME`)-8 ) ) as prefix FROM information_schema.TABLES WHERE `TABLE_NAME` LIKE '%postmeta'";
$result = mysqli_query( $this->connection, $sql );
if ( mysqli_num_rows( $result ) > 0 ) {
$result_object = mysqli_fetch_assoc($result);
return $result_object['prefix'];
} else {
return false;
}
}
/**
* Output translation for given strings.
*
* @param array $strings Array of string to translate.
* @param string $language Language to translate into.
* @param string $original_language Language to translate from. Default language.
*/
protected function output_translations( $strings, $skip_machine_translation, $language, $original_language ){
$sql = 'SELECT original, translated, status FROM ' . $this->table_prefix . 'trp_dictionary_' . strtolower( $original_language ) . '_' . strtolower( $language ) . ' WHERE original IN (\'' . implode( "','", $strings ) .'\') AND status != 0';
try {
$result = mysqli_query( $this->connection, $sql );
}catch(Throwable $e){
$this->return_error();
}
if ( $result === false ){
$this->return_error();
}else {
$dictionaries[$language] = array();
while ($row = mysqli_fetch_object($result)) {
// do not retrieve a row that should not be machine translated ( ex. src, href )
if ( $row->status == 1 && in_array( $row->original, $skip_machine_translation ) ) {
continue;
}
$dictionaries[$language][] = $row;
}
$dictionary_by_original = trp_sort_dictionary_by_original( $dictionaries, 'regular', 'dynamicstrings', null, null );
echo json_encode($dictionary_by_original);
}
}
/**
* Return error in case of connection fail and other problems.
*/
protected function return_error(){
echo json_encode( 'error' );
exit;
}
}
new TRP_Ajax;
die();
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