Add system status displays for Minio and Redis, and enhance backup configuration

services/nginx/app/classes/db.php

@@ -177,15 +177,19 @@ class db
         return $this->database;
     }
 
+    public function getPort(): int
+    {
+        return $this->port;
+    }
+
+    public function getSslMode(): string
+    {
+        return $this->ssl_mode;
+    }
+
     public function backupDatabase(string $path): bool
     {
-        // Save the database to the path
-        // Build a safe mysqldump command with configurable SSL (MariaDB-compatible flags)
         $mode = strtoupper(trim($this->ssl_mode));
-        // Map ssl_mode to MariaDB client flags
-        // DISABLED => --skip-ssl (no TLS)
-        // PREFERRED => (no flag; client decides)
-        // REQUIRED/VERIFY_* => --ssl (enable TLS without strict verification unless CA materials provided)
         $sslFlag = '';
         switch ($mode) {
             case 'DISABLED':
@@ -201,17 +205,42 @@ class db
                 $sslFlag = '--ssl';
                 break;
         }
+
         $host = escapeshellarg($this->host);
         $user = escapeshellarg($this->user);
-        $pass = escapeshellarg($this->password);
         $db   = escapeshellarg($this->database);
         $port = (int)$this->port;
-        $outfile = escapeshellarg($path);
         $sslPart = $sslFlag !== '' ? ($sslFlag . ' ') : '';
-        $command = "mysqldump {$sslPart}-h $host -P $port -u $user --password=$pass $db > $outfile 2>&1";
-        exec($command, $output, $return);
-        // Check if the command was successful
-        return $return === 0;
+        $command = "mysqldump {$sslPart}--single-transaction --quick --routines --triggers --events --hex-blob -h $host -P $port -u $user $db";
+
+        $directory = dirname($path);
+        if (!is_dir($directory) && !mkdir($directory, 0770, true) && !is_dir($directory)) {
+            return false;
+        }
+
+        $environment = array_merge(getenv() ?: [], $_ENV);
+        $environment['MYSQL_PWD'] = $this->password;
+        $descriptors = [
+            0 => ['pipe', 'r'],
+            1 => ['file', $path, 'w'],
+            2 => ['pipe', 'w'],
+        ];
+
+        $process = proc_open($command, $descriptors, $pipes, null, $environment);
+        if (!is_resource($process)) {
+            return false;
+        }
+
+        fclose($pipes[0]);
+        $stderr = stream_get_contents($pipes[2]);
+        fclose($pipes[2]);
+        $return = proc_close($process);
+
+        if ($return !== 0 && is_string($stderr) && $stderr !== '') {
+            @file_put_contents($path . '.error.log', $stderr);
+        }
+
+        return $return === 0 && is_file($path) && filesize($path) !== false;
     }
 
     public function getView(string $view): array
@@ -238,4 +267,4 @@ class db
     }
 
 
-}
+}