v3.0.0.2

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<?php
header('Content-Type: application/json; charset=utf-8');
if (isset($_SERVER['HTTP_ORIGIN'])) {
$originHost = parse_url($_SERVER['HTTP_ORIGIN'], PHP_URL_HOST);
$serverHost = $_SERVER['HTTP_HOST'];
$serverParts = explode('.', $serverHost);
$baseDomain = implode('.', array_slice($serverParts, -2));
if (
$originHost === $baseDomain ||
str_ends_with($originHost, '.' . $baseDomain)
) {
header('Access-Control-Allow-Origin: ' . $_SERVER['HTTP_ORIGIN']);
header('Access-Control-Allow-Credentials: true');
header('Access-Control-Allow-Methods: GET, POST, OPTIONS');
header('Access-Control-Allow-Headers: Content-Type, Authorization');
}
}
if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') {
http_response_code(200);
exit;
}
function logDebug($msg) {
file_put_contents(__DIR__.'/translate_debug.log', date('Y-m-d H:i:s').' - '.$msg."\n", FILE_APPEND);
}
$xmlPath = __DIR__.'/../data/translate-api.xml';
if (!file_exists($xmlPath)) {
logDebug("ERROR: XML not found");
http_response_code(500);
die(json_encode(['error'=>'Config not found', 'path'=>$xmlPath]));
}
$xml = simplexml_load_file($xmlPath);
$apis = [];
foreach ($xml->apis->api as $api) {
$apis[(string)$api->id] = [
'endpoint' => (string)$api->endpoint,
'apiKey' => (string)$api->apiKey,
'requiresKey' => ((string)$api->requiresKey==='true')
];
}
$systemFile = __DIR__.'/../data/system.php';
$system = is_file($systemFile) ? include $systemFile : [];
if (is_array($system) && !empty($system['translator_api_key']) && isset($apis[$system['translator_provider'] ?? ''])) {
$apis[$system['translator_provider']]['apiKey'] = (string) $system['translator_api_key'];
}
$input = json_decode(file_get_contents('php://input'), true);
$text = trim($input['text'] ?? '');
$source = $input['source'] ?? 'auto';
$target = $input['target'] ?? 'en';
$provider = $input['provider'] ?? 'mymemory';
if ($text === '') {
http_response_code(400);
die(json_encode(['error'=>'No text provided']));
}
if (!isset($apis[$provider])) {
http_response_code(400);
die(json_encode(['error'=>"Invalid provider: $provider"]));
}
$config = $apis[$provider];
$translatedText = null;
try {
switch($provider) {
case 'mymemory':
$url = $config['endpoint'].'?q='.urlencode($text).'&langpair='.$source.'|'.$target;
$resp = @file_get_contents($url);
if (!$resp) throw new Exception('MyMemory connection failed');
$data = json_decode($resp,true);
$translatedText = $data['responseData']['translatedText'] ?? null;
break;
case 'google':
if (empty($config['apiKey'])) throw new Exception('Google API key missing');
$url = $config['endpoint'].'?key='.$config['apiKey'];
$post = json_encode(['q'=>$text,'source'=>$source,'target'=>$target,'format'=>'text']);
$opts = ['http'=>['method'=>'POST','header'=>'Content-Type: application/json','content'=>$post,'ignore_errors'=>true]];
$resp = file_get_contents($url,false,stream_context_create($opts));
$data = json_decode($resp,true);
if (isset($data['error'])) throw new Exception($data['error']['message']);
$translatedText = $data['data']['translations'][0]['translatedText'] ?? null;
break;
case 'deepl':
if (empty($config['apiKey'])) throw new Exception('DeepL API key missing');
$text = mb_substr($text, 0, 5000);
$text = str_replace(["\0","\x1a"], '', $text);
$postData = json_encode([
'text' => [$text],
'source_lang' => strtoupper($source),
'target_lang' => strtoupper($target)
]);
$options = [
'http'=>[
'method'=>'POST',
'header'=>"Content-Type: application/json\r\n".
"Authorization: DeepL-Auth-Key ".$config['apiKey'],
'content'=>$postData,
'timeout'=>30,
'ignore_errors'=>true
]
];
$response = file_get_contents($config['endpoint'], false, stream_context_create($options));
if ($response === false) throw new Exception('DeepL connection failed');
$data = json_decode($response,true);
if (isset($data['message'])) throw new Exception('DeepL error: '.$data['message']);
$translatedText = $data['translations'][0]['text'] ?? null;
break;
case 'hf-marian':
if (empty($config['apiKey'])) throw new Exception('HF API key missing');
$modelPair = "{$source}-{$target}";
$modelName = "Helsinki-NLP/opus-mt-" . $modelPair;
$dynamicUrl = "https://router.huggingface.co/hf-inference/models/" . $modelName;
$postData = json_encode(['inputs' => $text]);
$options = [
'http' => [
'method' => 'POST',
'header' => "Content-Type: application/json\r\n" .
"Authorization: Bearer " . $config['apiKey'] . "\r\n" .
"X-Wait-For-Model: true\r\n",
'content' => $postData,
'timeout' => 60,
'ignore_errors' => true
]
];
$response = @file_get_contents($dynamicUrl, false, stream_context_create($options));
if ($response === false) {
throw new Exception("Connection to model failed: $modelName");
}
$data = json_decode($response, true);
if (isset($data['error'])) {
if (strpos($data['error'], 'not found') !== false || strpos($data['error'], 'Model not found') !== false) {
echo "[Error: The language pair $source to $target is not supported by this model]";
exit;
}
if (isset($data['estimated_time'])) {
throw new Exception("Model is loading. Try again in " . round($data['estimated_time']) . "s.");
}
throw new Exception('HF Error: ' . $data['error']);
}
$result = is_array($data) ? ($data[0] ?? $data) : $data;
if (isset($result['translation_text'])) {
$translatedText = $result['translation_text'];
} elseif (isset($result['generated_text'])) {
$translatedText = $result['generated_text'];
} else {
throw new Exception('HF translation failed: unexpected response format');
}
break;
default:
throw new Exception("Unknown provider: $provider");
}
if (!$translatedText) throw new Exception('No translation returned');
echo json_encode([
'success'=>true,
'translatedText'=>$translatedText,
'provider'=>$provider,
'source'=>$source,
'target'=>$target
]);
} catch(Exception $e) {
logDebug("EXCEPTION: ".$e->getMessage());
http_response_code(500);
echo json_encode(['error'=>$e->getMessage()]);
}