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Update media-url.php

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This commit is contained in:
lizandrogd
2026-01-21 12:56:12 -05:00
parent 2a13dc003a
commit d4345cb150
1 changed files with 79 additions and 6 deletions
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api/version/media-url.php
+79 -6
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@@ -127,14 +127,16 @@ if ($download) {
$headers = ['User-Agent: WhatsAppMediaProxy/1.0', 'Accept: */*'];
if ($token) $headers[] = 'Authorization: Bearer ' . $token;
// Pedimos cabeceras + body para poder extraer Content-Disposition
curl_setopt_array($ch, [
CURLOPT_URL => $mediaUrl,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_FOLLOWLOCATION => true,
CURLOPT_TIMEOUT => 60,
CURLOPT_HTTPHEADER => $headers,
CURLOPT_HEADER => true,
]);
$content = curl_exec($ch);
$response = curl_exec($ch);
$info = curl_getinfo($ch);
$err = curl_error($ch);
curl_close($ch);
@@ -146,14 +148,85 @@ if ($download) {
exit;
}
// Cabeceras para descarga
$headerSize = isset($info['header_size']) ? (int)$info['header_size'] : 0;
$headersText = $headerSize ? substr($response, 0, $headerSize) : '';
$body = $headerSize ? substr($response, $headerSize) : $response;
// Parsear cabeceras simples
$parsed = [];
if ($headersText) {
$lines = preg_split('/\r?\n/', $headersText);
foreach ($lines as $line) {
if (strpos($line, ':') !== false) {
list($n, $v) = explode(':', $line, 2);
$parsed[strtolower(trim($n))] = trim($v);
}
}
}
$contentType = $parsed['content-type'] ?? ($info['content_type'] ?? null);
// Si la respuesta es JSON, retornar el error en JSON (evitar descargar JSON como archivo)
if ($contentType && stripos($contentType, 'application/json') !== false) {
$decoded = json_decode($body, true);
http_response_code($decoded && isset($decoded['error']) ? 502 : 500);
header('Content-Type: application/json; charset=utf-8');
echo json_encode(['success' => false, 'error' => 'Remote server returned JSON instead of file', 'remote' => $decoded]);
exit;
}
// Determinar filename desde Content-Disposition o URL como fallback
$filename = null;
$cd = $parsed['content-disposition'] ?? null;
if ($cd) {
if (preg_match('/filename\*=(?:[^']*'')?(.+)$/i', $cd, $m)) {
$filename = trim($m[1], " \"'\r\n");
$filename = rawurldecode($filename);
} elseif (preg_match('/filename="?([^";]+)"?/i', $cd, $m)) {
$filename = trim($m[1]);
}
}
if (!$filename) {
$path = parse_url($mediaUrl, PHP_URL_PATH) ?: '';
$basename = basename($path);
if ($basename && $basename !== '/') {
$filename = $basename;
}
}
// Si aún no hay filename, intentar deducir extensión desde content-type
if (!$filename) {
$ext = '';
$mimeMap = [
'application/pdf' => '.pdf',
'text/csv' => '.csv',
'image/jpeg' => '.jpg',
'image/png' => '.png',
'application/zip' => '.zip',
'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' => '.xlsx',
'application/vnd.ms-excel' => '.xls',
];
if ($contentType && isset($mimeMap[strtolower($contentType)])) {
$ext = $mimeMap[strtolower($contentType)];
}
$filename = 'download' . $ext;
}
if ($body === null || $body === '') {
http_response_code(502);
header('Content-Type: application/json; charset=utf-8');
echo json_encode(['success' => false, 'error' => 'Empty response body from remote']);
exit;
}
// Enviar body como descarga
header_remove('Content-Type');
header('Cache-Control: public, max-age=3600');
if (!empty($info['content_type'])) header('Content-Type: ' . $info['content_type']);
if (!empty($info['size_download'])) header('Content-Length: ' . $info['size_download']);
$filename = basename(parse_url($mediaUrl, PHP_URL_PATH) ?: 'file');
if (!empty($contentType)) header('Content-Type: ' . $contentType);
header('Content-Length: ' . strlen($body));
header('Content-Disposition: attachment; filename="' . $filename . '"');
echo $content;
echo $body;
exit;
}