109 lines
3.8 KiB
PHP
109 lines
3.8 KiB
PHP
<?php
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ini_set('display_errors', 0);
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ini_set('log_errors', 1);
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ini_set('error_log', __DIR__ . '/error_log.txt');
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// --- Debug Logging ---
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$log_file = __DIR__ . '/translate_log.txt';
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file_put_contents($log_file, "--- New Translation Request ---
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", FILE_APPEND);
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function write_log($message) {
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global $log_file;
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$timestamp = date('Y-m-d H:i:s');
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file_put_contents($log_file, "[{$timestamp}] " . print_r($message, true) . "\n", FILE_APPEND);
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}
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// --- End Debug Logging ---
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require_once __DIR__ . '/ai/LocalAIApi.php';
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function json_response($status, $message, $data = null) {
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write_log("Sending JSON response: Status: {$status}, Message: {$message}");
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header('Content-Type: application/json');
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echo json_encode([
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'status' => $status,
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'message' => $message,
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'data' => $data
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]);
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exit;
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}
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write_log("Request method: " . $_SERVER['REQUEST_METHOD']);
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if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
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json_response('error', 'Invalid request method.');
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}
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write_log("POST data: " . json_encode($_POST));
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if (!isset($_POST['file_path']) || !isset($_POST['source-lang']) || !isset($_POST['target-lang'])) {
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json_response('error', 'Missing required parameters.');
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}
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$file_path = $_POST['file_path'];
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$source_lang = $_POST['source-lang'];
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$target_lang = $_POST['target-lang'];
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$url_path = parse_url($file_path, PHP_URL_PATH);
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$full_path = __DIR__ . $url_path;
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write_log("Full file path: {$full_path}");
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if (!file_exists($full_path)) {
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json_response('error', 'File not found.');
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}
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try {
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// Step 1: Perform OCR on the image
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write_log("Performing OCR on file: {$full_path}");
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// Use escapeshellarg to prevent command injection vulnerabilities
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$escaped_path = escapeshellarg($full_path);
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$ocr_command = "tesseract {$escaped_path} stdout";
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write_log("Executing OCR command: {$ocr_command}");
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// Execute the command and capture the output
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$extracted_text = shell_exec($ocr_command);
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write_log("OCR raw output: " . $extracted_text);
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if ($extracted_text === null || trim($extracted_text) === '') {
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json_response('error', 'OCR failed or no text was found in the image.');
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}
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$extracted_text = trim($extracted_text);
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write_log("Extracted text (trimmed): " . $extracted_text);
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// Step 2: Translate the extracted text
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write_log("Sending extracted text to AI for translation...");
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$prompt = "Translate the following text from {$source_lang} to {$target_lang}:\n\n{$extracted_text}";
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$payload = [
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'input' => [
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[
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'role' => 'user',
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'content' => $prompt
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]
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]
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];
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write_log("AI request payload: " . json_encode($payload, JSON_PRETTY_PRINT));
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$resp = LocalAIApi::createResponse($payload);
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write_log("Received response from AI API: " . json_encode($resp, JSON_PRETTY_PRINT));
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if (!empty($resp['success'])) {
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$translated_text = LocalAIApi::extractText($resp);
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if ($translated_text === '') {
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$decoded = LocalAIApi::decodeJsonFromResponse($resp);
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$error_details = $decoded ? json_encode($decoded, JSON_PRETTY_PRINT) : 'AI returned an empty or invalid response.';
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json_response('error', 'AI translation failed. Details: ' . $error_details);
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} else {
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json_response('success', 'Translation successful!', ['translatedText' => $translated_text, 'extractedText' => $extracted_text]);
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}
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} else {
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$error_message = $resp['error'] ?? 'Unknown AI error.';
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json_response('error', 'AI translation failed: ' . $error_message);
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}
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} catch (Exception $e) {
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write_log("An exception occurred: " . $e->getMessage());
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write_log("Stack trace: " . $e->getTraceAsString());
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json_response('error', 'An unexpected error occurred: ' . $e->getMessage());
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}
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?>
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