70 lines
2.1 KiB
PHP
70 lines
2.1 KiB
PHP
<?php
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/**
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* API - Obtener URL temporal del media de WhatsApp
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* Parámetros: id (media id)
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*/
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require_once '../config/config.php';
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requireAuthentication();
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header('Content-Type: application/json; charset=utf-8');
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$mediaId = $_GET['id'] ?? ($_POST['id'] ?? null);
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if (!$mediaId) {
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http_response_code(400);
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echo json_encode(['error' => 'media id requerido']);
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exit;
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}
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$token = getConfigFromDB('whatsapp_token', '');
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$apiUrl = rtrim(getConfigFromDB('whatsapp_api_url', 'https://graph.facebook.com/v22.0/'), '/');
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$url = "{$apiUrl}/{$mediaId}";
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$ch = curl_init();
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curl_setopt_array($ch, [
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CURLOPT_URL => $url,
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_HTTPHEADER => [ 'Authorization: Bearer ' . $token ],
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CURLOPT_TIMEOUT => 10,
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]);
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$response = curl_exec($ch);
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$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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$err = curl_error($ch);
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curl_close($ch);
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if ($err) {
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http_response_code(502);
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echo json_encode(['error' => 'Error comunicando con Graph API', 'detail' => $err]);
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exit;
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}
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$decoded = json_decode($response, true);
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if ($httpCode >= 400 || !$decoded) {
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http_response_code($httpCode ?: 500);
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echo json_encode(['error' => 'Graph API error', 'response' => $decoded]);
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exit;
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}
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// Normalmente Graph devuelve field 'url'
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$mediaUrl = $decoded['url'] ?? ($decoded['data'][0]['url'] ?? null);
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if (!$mediaUrl) {
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http_response_code(404);
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echo json_encode(['error' => 'No se recibió URL del media', 'raw' => $decoded]);
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exit;
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}
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// Si es una petición GET y el cliente no espera JSON, redirigir al URL real para que `<img src="api/get_media.php?id=...">` funcione directamente
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$isGet = $_SERVER['REQUEST_METHOD'] === 'GET';
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$accept = $_SERVER['HTTP_ACCEPT'] ?? '';
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if ($isGet && strpos($accept, 'application/json') === false) {
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// Cache corto para navegadores
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header('Cache-Control: public, max-age=3600');
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header('Location: ' . $mediaUrl, true, 302);
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exit;
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}
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// Retornar URL en JSON (cliente puede solicitar directamente)
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header('Content-Type: application/json; charset=utf-8');
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echo json_encode(['success' => true, 'url' => $mediaUrl]);
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