Update MediaService.php

classes/MediaService.php

@@ -23,7 +23,7 @@ class MediaService {
     }
 
     /**
-     * Hacer petición GET al Graph API con fallback a wget si curl falla
+     * Hacer petición GET al Graph API con fallback si curl falla
      */
     private function graphApiRequest($url) {
         // Intentar con curl primero
@@ -45,24 +45,9 @@ class MediaService {
             return $resp;
         }
 
-        // Fallback a wget para la petición al Graph API
+        // Fallback: file_get_contents con stream context
-        error_log("[MediaService::graphApiRequest] curl failed (http={$http} err={$err}), trying wget...");
+        error_log("[MediaService::graphApiRequest] curl failed (http={$http} err={$err}), trying file_get_contents...");
-        $tmpFile = tempnam(sys_get_temp_dir(), 'graph_');
+        return $this->fileGetContentsWithAuth($url);
-        $cmd = 'wget -q --prefer-family=IPv4 -O ' . escapeshellarg($tmpFile)
-             . ' --header=' . escapeshellarg('Authorization: Bearer ' . $this->token)
-             . ' ' . escapeshellarg($url) . ' 2>&1';
-        exec($cmd, $output, $exitCode);
-
-        if ($exitCode === 0 && file_exists($tmpFile) && filesize($tmpFile) > 0) {
-            $content = file_get_contents($tmpFile);
-            unlink($tmpFile);
-            error_log("[MediaService::graphApiRequest] wget OK, " . strlen($content) . " bytes");
-            return $content;
-        }
-
-        error_log("[MediaService::graphApiRequest] wget also failed exit={$exitCode}");
-        if (file_exists($tmpFile)) unlink($tmpFile);
-        return false;
     }
 
     public function fetchAndStoreFromGraph($mediaId, $subdir = '') {
@@ -180,50 +165,115 @@ class MediaService {
             return $content;
         }
 
-        // Fallback a wget cuando curl falla (OpenSSL incompatibilidad con Facebook CDN)
+        // Fallback: file_get_contents con stream context (usa implementación SSL diferente a curl)
-        error_log("[MediaService::downloadUrl] curl failed (http={$http} errno={$errno} err={$err}), trying wget fallback...");
+        error_log("[MediaService::downloadUrl] curl failed (http={$http} errno={$errno} err={$err}), trying file_get_contents fallback...");
-        $content = $this->downloadWithWget($url, $headers);
+        $content = $this->fileGetContentsWithAuth($url);
+        if ($content !== false && strlen($content) > 0) {
+            error_log("[MediaService::downloadUrl] file_get_contents OK, " . strlen($content) . " bytes");
+            return $content;
+        }
+
+        // Fallback: exec wget (solo funciona en CLI, no en php-fpm con exec deshabilitado)
+        $content = $this->shellDownload($url, $headers);
         if ($content !== false) {
             return $content;
         }
 
-        error_log("[MediaService::downloadUrl] FAIL url=" . substr($url, 0, 120) . " http={$http} err={$err} wget=also_failed");
+        error_log("[MediaService::downloadUrl] FAIL url=" . substr($url, 0, 120) . " http={$http} err={$err} all_fallbacks_failed");
         return false;
     }
 
     /**
-     * Fallback: descargar con wget (usa GnuTLS en vez de OpenSSL, más compatible con Facebook CDN)
+     * Descargar usando file_get_contents con stream context (usa implementación SSL nativa de PHP, diferente a curl)
      */
-    private function downloadWithWget($url, $headers = []) {
+    private function fileGetContentsWithAuth($url) {
+        $opts = [
+            'http' => [
+                'method' => 'GET',
+                'header' => "Authorization: Bearer {$this->token}\r\nUser-Agent: WhatsAppMediaFetcher/1.0\r\nAccept: */*\r\n",
+                'follow_location' => true,
+                'max_redirects' => 5,
+                'timeout' => 120,
+                'ignore_errors' => false,
+            ],
+            'ssl' => [
+                'verify_peer' => true,
+                'verify_peer_name' => true,
+            ],
+        ];
+        $ctx = stream_context_create($opts);
+        $content = @file_get_contents($url, false, $ctx);
+        if ($content === false) {
+            $lastErr = error_get_last();
+            error_log("[MediaService::fileGetContentsWithAuth] FAIL: " . ($lastErr['message'] ?? 'unknown'));
+            return false;
+        }
+        return $content;
+    }
+
+    /**
+     * Fallback: descargar con wget via exec/proc_open (solo funciona en CLI)
+     */
+    private function shellDownload($url, $headers = []) {
+        // Verificar si exec está disponible
+        if (!function_exists('exec') || in_array('exec', array_map('trim', explode(',', ini_get('disable_functions'))))) {
+            // Intentar proc_open como alternativa
+            if (function_exists('proc_open')) {
+                return $this->procOpenDownload($url, $headers);
+            }
+            error_log("[MediaService::shellDownload] Neither exec nor proc_open available");
+            return false;
+        }
+
         $tmpFile = tempnam(sys_get_temp_dir(), 'wget_');
         $headerArgs = '';
         foreach ($headers as $h) {
-            // Solo pasar headers que wget soporte
             $headerArgs .= ' --header=' . escapeshellarg($h);
         }
-        // Intentar con GNU wget primero (soporta --prefer-family=IPv4)
         $cmd = 'wget -q --prefer-family=IPv4 -O ' . escapeshellarg($tmpFile) . $headerArgs . ' ' . escapeshellarg($url) . ' 2>&1';
         exec($cmd, $output, $exitCode);
 
         if ($exitCode === 0 && file_exists($tmpFile) && filesize($tmpFile) > 0) {
             $content = file_get_contents($tmpFile);
             unlink($tmpFile);
-            error_log("[MediaService::downloadWithWget] OK, " . strlen($content) . " bytes");
+            error_log("[MediaService::shellDownload] wget OK, " . strlen($content) . " bytes");
             return $content;
         }
 
-        // Fallback sin --prefer-family (BusyBox wget no lo soporta)
+        error_log("[MediaService::shellDownload] wget FAIL exit={$exitCode}");
-        $cmd2 = 'wget -q -O ' . escapeshellarg($tmpFile) . $headerArgs . ' ' . escapeshellarg($url) . ' 2>&1';
+        if (file_exists($tmpFile)) unlink($tmpFile);
-        exec($cmd2, $output2, $exitCode2);
+        return false;
+    }
 
-        if ($exitCode2 === 0 && file_exists($tmpFile) && filesize($tmpFile) > 0) {
+    /**
+     * Descargar con proc_open (alternativa a exec)
+     */
+    private function procOpenDownload($url, $headers = []) {
+        $tmpFile = tempnam(sys_get_temp_dir(), 'wget_');
+        $headerArgs = '';
+        foreach ($headers as $h) {
+            $headerArgs .= ' --header=' . escapeshellarg($h);
+        }
+        $cmd = 'wget -q --prefer-family=IPv4 -O ' . escapeshellarg($tmpFile) . $headerArgs . ' ' . escapeshellarg($url);
+        
+        $proc = proc_open($cmd, [1 => ['pipe', 'w'], 2 => ['pipe', 'w']], $pipes);
+        if (!is_resource($proc)) {
+            error_log("[MediaService::procOpenDownload] proc_open failed");
+            if (file_exists($tmpFile)) unlink($tmpFile);
+            return false;
+        }
+        $stdout = stream_get_contents($pipes[1]); fclose($pipes[1]);
+        $stderr = stream_get_contents($pipes[2]); fclose($pipes[2]);
+        $exitCode = proc_close($proc);
+
+        if ($exitCode === 0 && file_exists($tmpFile) && filesize($tmpFile) > 0) {
             $content = file_get_contents($tmpFile);
             unlink($tmpFile);
-            error_log("[MediaService::downloadWithWget] OK (basic), " . strlen($content) . " bytes");
+            error_log("[MediaService::procOpenDownload] OK, " . strlen($content) . " bytes");
             return $content;
         }
 
-        error_log("[MediaService::downloadWithWget] FAIL exit={$exitCode}/{$exitCode2} output=" . implode(' ', array_merge($output, $output2)));
+        error_log("[MediaService::procOpenDownload] FAIL exit={$exitCode} err={$stderr}");
         if (file_exists($tmpFile)) unlink($tmpFile);
         return false;
     }