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| Dir : /home/trave494/tiktechtok.org/wp-content/plugins/wp-automatic/inc/translator.Google.php |
<?php
/**
* Class:Translator to translate using Google
* @version 1.4.0
* updated to cope with new gtranslate changes @22 June 2020
*/
class GoogleTranslator {
public $ch; // curl handler to use
/**
* Constructor to recieve curl handler
*
* @param curl $ch
*/
function __construct(&$ch) {
$this->ch = $ch;
}
function translateText($sourceText, $fromLanguage, $toLanguage) {
$string = $sourceText;
// protected tags [19...]
preg_match_all ( '{\[\d*\]}', $string, $all_protected_matchs );
$all_protected_matchs = $all_protected_matchs [0];
// get strings to translate
$string = preg_replace ( '{\[\d*\]}', '(*)', $string );
$string_arr = explode ( '(*)', $string );
// implode of texts for encoding
$string_raw = implode ( '', $string_arr );
// query string
$string_enc = '';
$i = 0;
foreach ( $string_arr as $single_string ) {
if ($i == 0) {
$string_enc = 'q=' . urlencode ( $single_string );
} else {
$string_enc .= '&q=' . urlencode ( $single_string );
}
$i ++;
}
$string_raw = implode ( '', $string_arr );
$article_size = function_exists ( 'mb_strlen' ) ? mb_strlen ( $string_raw ) : strlen ( $string_raw );
if (isset ( $_GET ['debug'] ))
echo "\n\n\n\n--- Requested translation raw-------\n" . $string_raw . "\n\n\n";
echo '<br>Translated text char count: ' . $article_size;
$wp_automatic_gtranslate_limit = trim( get_option('wp_automatic_gtranslate_limit' , 13000));
if( is_numeric( $wp_automatic_gtranslate_limit) && $wp_automatic_gtranslate_limit >13000 ){
//correct
}else{
$wp_automatic_gtranslate_limit = 13000;
}
if ($article_size > $wp_automatic_gtranslate_limit) {
throw new Exception ( 'Translated article is very long, it exceeds the limit of ' . $wp_automatic_gtranslate_limit . ' chars' );
}
timer_start ();
$tkk = $this->generateTkk ();
$tk = $this->generateTk ( $string_raw, $tkk );
echo '<br>Time taken to decode text for translation:' . timer_stop ();
// fix auto from language
if ($fromLanguage == 'auto')
$fromLanguage = 'auto';
$args = [
'anno' => 3,
'client' => 'te_lib',
'format' => 'html',
'v' => '1.0',
'key' => 'AIzaSyBOti4mM-6x9WDnZIjIeyEU21OpBXqWBgw',
'logld' => 'vTE_20200210_00',
'sl' => $fromLanguage,
'tl' => $toLanguage,
'sp' => 'nmt',
'tc' => 1,
'sr' => 1,
'tk' => $tk,
'mode' => 1
];
curl_setopt ( $this->ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.8) Gecko/2009032609 Firefox/3.0.8' );
// curl post
$curlurl = 'https://translate.googleapis.com/translate_a/t?' . http_build_query ( $args );
$curlpost = $string_enc;
curl_setopt ( $this->ch, CURLOPT_URL, $curlurl );
curl_setopt ( $this->ch, CURLOPT_POST, true );
curl_setopt ( $this->ch, CURLOPT_POSTFIELDS, $curlpost );
curl_setopt ( $this->ch, CURLOPT_TIMEOUT, 20 );
$x = 'error';
$exec = curl_exec ( $this->ch );
$x = curl_error ( $this->ch );
if (trim ( $exec ) == '') {
throw new Exception ( 'empty response from gtranslate ' . $x );
}
// Error 403
if (strpos ( $exec, 'Error 403' )) {
throw new Exception ( 'Google returned forbidden which means proxies may be needed on the plugin settings page' );
}
if (isset ( $_GET ['debug'] ))
echo '<br><br>Return:' . $exec . $x;
$json_result = json_decode ( $exec );
if (! isset ( $json_result [0] )) {
throw new Exception ( 'Can not get JSON from returned response' );
}
//Fix auto-detect returns array instead of text with text + detected lang
$json_result_new= array();
foreach($json_result as $json_array){
if(is_array($json_array)){
$json_result_new[] = $json_array[0];
}else{
$json_result_new[] = $json_array;
}
}
$json_result = $json_result_new;
$returned_text_plain = implode ( '(*)', $json_result );
$returned_text_plain = preg_replace ( '{<i>.*?</i>}s', '', $returned_text_plain );
$returned_text_plain = str_replace ( array (
'<b>',
'</b>'
), '', $returned_text_plain );
foreach ( $all_protected_matchs as $protected_term ) {
$returned_text_plain = preg_replace ( '{\(\*\)}', $protected_term, $returned_text_plain, 1 );
}
// clean last glue if existing
$translated = $returned_text_plain = str_replace ( '(*)', '', $returned_text_plain );
if (isset ( $_GET ['debug'] ))
echo '<br><br>Final trans:' . $translated;
return $translated;
}
private function generateTkk() {
$upload_dir = wp_upload_dir ();
$cache = $upload_dir ['basedir'] . '/tkk.cache';
if (file_exists ( $cache ) && filemtime ( $cache ) > strtotime ( 'now - 1 hour' )) {
return file_get_contents ( $cache );
}
// curl get
$x = 'error';
$url = 'https://translate.googleapis.com/translate_a/element.js';
curl_setopt ( $this->ch, CURLOPT_HTTPGET, 1 );
curl_setopt ( $this->ch, CURLOPT_URL, trim ( $url ) );
$data = curl_exec ( $this->ch );
$response = $data;
$pos1 = mb_strpos ( $response, 'c._ctkk=\'' ) + mb_strlen ( 'c._ctkk=\'' );
$pos2 = mb_strpos ( $response, '\'', $pos1 );
$tkk = mb_substr ( $response, $pos1, $pos2 - $pos1 );
file_put_contents ( $cache, $tkk );
return $tkk;
}
private function generateTk($f0, $w1) {
// ported from js to php from https://translate.googleapis.com/element/TE_20200210_00/e/js/element/element_main.js
$w1 = explode ( '.', $w1 );
$n2 = $w1 [0];
for($j3 = [ ], $t4 = 0, $h5 = 0; $h5 < strlen ( mb_convert_encoding ( $f0, 'UTF-16LE', 'UTF-8' ) ) / 2; $h5 ++) {
$z6 = ord ( mb_convert_encoding ( $f0, 'UTF-16LE', 'UTF-8' ) [$h5 * 2] ) + (ord ( mb_convert_encoding ( $f0, 'UTF-16LE', 'UTF-8' ) [$h5 * 2 + 1] ) << 8);
if (128 > $z6) {
$j3 [$t4 ++] = $z6;
} else {
if (2048 > $z6) {
$j3 [$t4 ++] = ($z6 >> 6) | 192;
} else {
if (55296 == ($z6 & 64512) && $h5 + 1 < strlen ( mb_convert_encoding ( $f0, 'UTF-16LE', 'UTF-8' ) ) / 2 && 56320 == ((ord ( mb_convert_encoding ( $f0, 'UTF-16LE', 'UTF-8' ) [($h5 + 1) * 2] ) + (ord ( mb_convert_encoding ( $f0, 'UTF-16LE', 'UTF-8' ) [($h5 + 1) * 2 + 1] ) << 8)) & 64512)) {
$h5 ++;
$z6 = 65536 + (($z6 & 1023) << 10) + ((ord ( mb_convert_encoding ( $f0, 'UTF-16LE', 'UTF-8' ) [$h5 * 2] ) + (ord ( mb_convert_encoding ( $f0, 'UTF-16LE', 'UTF-8' ) [$h5 * 2 + 1] ) << 8)) & 1023);
$j3 [$t4 ++] = ($z6 >> 18) | 240;
$j3 [$t4 ++] = (($z6 >> 12) & 63) | 128;
} else {
$j3 [$t4 ++] = ($z6 >> 12) | 224;
}
$j3 [$t4 ++] = (($z6 >> 6) & 63) | 128;
}
$j3 [$t4 ++] = ($z6 & 63) | 128;
}
}
$f0 = $n2;
for($t4 = 0; $t4 < count ( $j3 ); $t4 ++) {
$f0 += $j3 [$t4];
$c7 = $f0;
$x8 = '+-a^+6';
for($r9 = 0; $r9 < strlen ( $x8 ) - 2; $r9 += 3) {
$u10 = $x8 [$r9 + 2];
$u10 = 'a' <= $u10 ? ord ( $u10 [0] ) - 87 : intval ( $u10 );
$a11 = $c7;
$c12 = $u10;
if ($c12 >= 32 || $c12 < - 32) {
$c13 = ( int ) ($c12 / 32);
$c12 = $c12 - $c13 * 32;
}
if ($c12 < 0) {
$c12 = 32 + $c12;
}
if ($c12 == 0) {
return (($a11 >> 1) & 0x7fffffff) * 2 + (($a11 >> $c12) & 1);
}
if ($a11 < 0) {
$a11 = $a11 >> 1;
$a11 &= 2147483647;
$a11 |= 0x40000000;
$a11 = $a11 >> $c12 - 1;
} else {
$a11 = $a11 >> $c12;
}
$b14 = $a11;
$u10 = '+' == $x8 [$r9 + 1] ? $b14 : $c7 << $u10;
$c7 = '+' == $x8 [$r9] ? ($c7 + $u10) & 4294967295 : $c7 ^ $u10;
}
$f0 = $c7;
}
$c7 = $f0;
$x8 = '+-3^+b+-f';
for($r9 = 0; $r9 < strlen ( $x8 ) - 2; $r9 += 3) {
$u10 = $x8 [$r9 + 2];
$u10 = 'a' <= $u10 ? ord ( $u10 [0] ) - 87 : intval ( $u10 );
$a11 = $c7;
$c12 = $u10;
if ($c12 >= 32 || $c12 < - 32) {
$c13 = ( int ) ($c12 / 32);
$c12 = $c12 - $c13 * 32;
}
if ($c12 < 0) {
$c12 = 32 + $c12;
}
if ($c12 == 0) {
return (($a11 >> 1) & 0x7fffffff) * 2 + (($a11 >> $c12) & 1);
}
if ($a11 < 0) {
$a11 = $a11 >> 1;
$a11 &= 2147483647;
$a11 |= 0x40000000;
$a11 = $a11 >> $c12 - 1;
} else {
$a11 = $a11 >> $c12;
}
$b14 = $a11;
$u10 = '+' == $x8 [$r9 + 1] ? $b14 : $c7 << $u10;
$c7 = '+' == $x8 [$r9] ? ($c7 + $u10) & 4294967295 : $c7 ^ $u10;
}
$f0 = $c7;
$f0 ^= $w1 [1] ? $w1 [1] + 0 : 0;
if (0 > $f0) {
$f0 = ($f0 & 2147483647) + 2147483648;
}
$f0 = fmod ( $f0, pow ( 10, 6 ) );
return $f0 . '.' . ($f0 ^ $n2);
}
/**
* Deprecated since 28 May 2020 Google started to show Captcha
* Translate text using Google Post request to google translate
*
* @param unknown $sourceText
* @param unknown $fromLanguage
* @param unknown $toLanguage
* @return string translated text
*/
function old_translateText_1($sourceText, $fromLanguage, $toLanguage) {
// saving the content to a temp file
if (trim ( ini_get ( 'open_basedir' ) ) != '') {
echo '<br>open_basedir exists';
$upload_dir = wp_upload_dir ();
$tmpFileUri = $upload_dir ['basedir'] . '/wp_automatic_tmp';
$tmpHandle = fopen ( $tmpFileUri, "w+" );
fwrite ( $tmpHandle, $sourceText );
} else {
$tmpHandle = tmpfile ();
$metaDatas = stream_get_meta_data ( $tmpHandle );
$tmpFileUri = $metaDatas ['uri'];
fwrite ( $tmpHandle, $sourceText );
}
// translate file url
curl_setopt ( $this->ch, CURLOPT_URL, "https://translate.googleusercontent.com/translate_f" );
curl_setopt ( $this->ch, CURLOPT_RETURNTRANSFER, 1 );
curl_setopt ( $this->ch, CURLOPT_POST, true );
if (class_exists ( 'CurlFile' )) {
$curlFile = new \CurlFile ( $tmpFileUri, 'text/plain', 'test.txt' );
} else {
$curlFile = '@' . $tmpFileUri . ';type=text/plain;filename=test.txt';
}
$post = [
'file' => $curlFile,
'sl' => $fromLanguage,
'tl' => $toLanguage,
'js' => 'y',
'prev' => '_t',
'hl' => 'en',
'ie' => 'UTF-8'
];
curl_setopt ( $this->ch, CURLOPT_POSTFIELDS, $post );
$headers = array ();
$headers [] = "User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:49.0) Gecko/20100101 Firefox/49.0";
$headers [] = "User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.2878.95 Safari/537.36";
$headers [] = "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8";
$headers [] = "Accept-Language: en-US,en;q=0.5";
$headers [] = "Referer: https://translate.google.com/?tr=f&hl=en";
$headers [] = "Connection: keep-alive";
$headers [] = "Upgrade-Insecure-Requests: 1";
curl_setopt ( $this->ch, CURLOPT_HTTPHEADER, $headers );
$exec = curl_exec ( $this->ch );
$x = curl_error ( $this->ch );
// close and delete temp file
fclose ( $tmpHandle );
// Empty response check
if (trim ( $exec ) == '') {
throw new Exception ( 'Empty translator reply with possible curl error ' . $x );
}
// Validate response result box
if (stristr ( $exec, 'Error 403' )) {
echo $exec;
throw new Exception ( 'Error 403 from Google' );
}
// extra <pre removal fix
$exec = str_replace ( '<pre>', '', $exec );
$exec = str_replace ( '</pre>', '', $exec );
return $exec;
}
function old_translateText_2($sourceText, $fromLanguage, $toLanguage) {
// saving the content to a temp file
$upload_dir = wp_upload_dir ();
$tmpFileUri = $upload_dir ['basedir'] . '/wp_automatic_tmp.txt';
$tmpHandle = fopen ( $tmpFileUri, "w+" );
fwrite ( $tmpHandle, $sourceText );
$translation_file_url = $upload_dir ['baseurl'] . '/wp_automatic_tmp.txt';
echo '<br>Translation file URL' . $translation_file_url;
// test on localhost
// $translation_file_url = 'https://deandev.com/files/wp_automatic_tmp.txt';
$url = "https://translate.google.com/translate?hl=en&ie=UTF8&prev=_t&sl=$fromLanguage&tl=$toLanguage&u=" . urlencode ( $translation_file_url );
// Translate a url
curl_setopt ( $this->ch, CURLOPT_HTTPGET, 1 );
curl_setopt ( $this->ch, CURLOPT_URL, trim ( $url ) );
$exec = curl_exec ( $this->ch );
$x = curl_error ( $this->ch );
// Extract iframe url _p
preg_match ( '{(https://translate.googleusercontent.com.*?)"}', $exec, $translateUrls );
$translateUrl = $translateUrls [1];
// Validate _p url
if (! stristr ( $translateUrl, '_p' )) {
throw new Exception ( '_p url can not be extracted' );
}
// process _p url
curl_setopt ( $this->ch, CURLOPT_HTTPGET, 1 );
curl_setopt ( $this->ch, CURLOPT_URL, trim ( $translateUrl ) );
$exec = curl_exec ( $this->ch );
$x = curl_error ( $this->ch );
// Extract _c url
preg_match ( '{URL=(.*?)"}', $exec, $translateUrls2 );
$translateUrl2 = html_entity_decode ( $translateUrls2 [1] );
// Validate _c url
if (! stristr ( $translateUrl2, '_c' )) {
throw new Exception ( '_c url can not be extracted' );
}
// process _c url
curl_setopt ( $this->ch, CURLOPT_HTTPGET, 1 );
curl_setopt ( $this->ch, CURLOPT_URL, trim ( $translateUrl2 ) );
$exec = curl_exec ( $this->ch );
// validate final content
if (trim ( $exec ) == '') {
throw new Exception ( '_c url returned empty response' );
}
// clean content
$exec = preg_replace ( '{<span class="google-src-text.*?>.*?</span>}', "", $exec );
$exec = preg_replace ( '{<span class="notranslate.*?>(.*?)</span>}', "$1", $exec );
$exec = str_replace ( ' style=";text-align:left;direction:ltr"', '', $exec );
// Return result
return $exec;
}
}