feat(error handling): Use a specific BouncerException that extends RuntimeException

Author: julienloizelet

src/StandAloneBounce.php

@@ -2,7 +2,6 @@
 
 namespace CrowdSecBouncer;
 
-use ErrorException;
 use Symfony\Component\Cache\Adapter\AbstractAdapter;
 use Symfony\Component\Cache\Adapter\MemcachedAdapter;
 use Symfony\Component\Cache\Adapter\PhpFilesAdapter;
@@ -122,7 +121,7 @@ public function getBouncerInstance(): Bouncer
             $maxRemediationLevel = Constants::REMEDIATION_BAN;
             break;
         default:
-            throw new Exception("Unknown $bouncingLevel");
+            throw new \Exception("Unknown $bouncingLevel");
     }
 
         // Instanciate the bouncer
@@ -344,7 +343,7 @@ public function sendResponse(?string $body, int $statusCode = 200): void
                 header('Pragma: no-cache');
                 break;
             default:
-                throw new Exception("Unhandled code ${statusCode}");
+                throw new \Exception("Unhandled code ${statusCode}");
         }
         if (null !== $body) {
             echo $body;
@@ -354,10 +353,10 @@ public function sendResponse(?string $body, int $statusCode = 200): void
 
     public function safelyBounce(): void
     {
-        // If there is any technical problem while bouncing, don't block the user. Bypass boucing and log the error.
+        // If there is any technical problem while bouncing, don't block the user. Bypass bouncing and log the error.
         try {
-            set_error_handler(function ($errno, $errstr, $errfile, $errline) {
-                throw new ErrorException($errstr, $errno, 0, $errfile, $errline);
+            set_error_handler(function ($errno, $errstr) {
+                throw new BouncerException("$errstr (Error level: $errno)");
             });
             $this->run();
             restore_error_handler();