feat: use ExceptionHandler

Author: kenjis

system/Debug/Exceptions.php

@@ -15,12 +15,12 @@
 use CodeIgniter\Exceptions\HasExitCodeInterface;
 use CodeIgniter\Exceptions\HTTPExceptionInterface;
 use CodeIgniter\Exceptions\PageNotFoundException;
-use CodeIgniter\HTTP\CLIRequest;
 use CodeIgniter\HTTP\Exceptions\HTTPException;
-use CodeIgniter\HTTP\IncomingRequest;
+use CodeIgniter\HTTP\RequestInterface;
 use CodeIgniter\HTTP\ResponseInterface;
 use Config\Exceptions as ExceptionsConfig;
 use Config\Paths;
+use Config\Services;
 use ErrorException;
 use Psr\Log\LogLevel;
 use Throwable;
@@ -36,6 +36,8 @@ class Exceptions
      * Nesting level of the output buffering mechanism
      *
      * @var int
+     *
+     * @deprecated No longer used. Moved to BaseExceptionHandler.
      */
     public $ob_level;
 
@@ -44,6 +46,8 @@ class Exceptions
      * cli and html error view directories.
      *
      * @var string
+     *
+     * @deprecated No longer used. Moved to BaseExceptionHandler.
      */
     protected $viewPath;
 
@@ -57,7 +61,7 @@ class Exceptions
     /**
      * The request.
      *
-     * @var CLIRequest|IncomingRequest
+     * @var RequestInterface
      */
     protected $request;
 
@@ -71,12 +75,14 @@ class Exceptions
     private ?Throwable $exceptionCaughtByExceptionHandler = null;
 
     /**
-     * @param CLIRequest|IncomingRequest $request
+     * @param RequestInterface $request
      */
     public function __construct(ExceptionsConfig $config, $request, ResponseInterface $response)
     {
+        // For backward compatibility
         $this->ob_level = ob_get_level();
         $this->viewPath = rtrim($config->errorViewPath, '\\/ ') . DIRECTORY_SEPARATOR;
+
         $this->config   = $config;
         $this->request  = $request;
         $this->response = $response;
@@ -110,15 +116,31 @@ public function initialize()
      * Catches any uncaught errors and exceptions, including most Fatal errors
      * (Yay PHP7!). Will log the error, display it if display_errors is on,
      * and fire an event that allows custom actions to be taken at this point.
-     *
-     * @codeCoverageIgnore
      */
     public function exceptionHandler(Throwable $exception)
     {
         $this->exceptionCaughtByExceptionHandler = $exception;
 
         [$statusCode, $exitCode] = $this->determineCodes($exception);
 
+        $this->request  = Services::request();
+        $this->response = Services::response();
+
+        if (method_exists($this->config, 'handler')) {
+            // Use new ExceptionHandler
+            $handler = $this->config->handler($statusCode, $exception);
+            $handler->handle(
+                $exception,
+                $this->request,
+                $this->response,
+                $statusCode,
+                $exitCode
+            );
+
+            return;
+        }
+
+        // For backward compatibility
         if ($this->config->log === true && ! in_array($statusCode, $this->config->ignoreCodes, true)) {
             log_message('critical', "{message}\nin {exFile} on line {exLine}.\n{trace}", [
                 'message' => $exception->getMessage(),
@@ -212,6 +234,8 @@ public function shutdownHandler()
      * whether an HTTP or CLI request, etc.
      *
      * @return string The path and filename of the view file to use
+     *
+     * @deprecated No longer used. Moved to ExceptionHandler.
      */
     protected function determineView(Throwable $exception, string $templatePath): string
     {
@@ -238,6 +262,8 @@ protected function determineView(Throwable $exception, string $templatePath): st
 
     /**
      * Given an exception and status code will display the error to the client.
+     *
+     * @deprecated No longer used. Moved to BaseExceptionHandler.
      */
     protected function render(Throwable $exception, int $statusCode)
     {
@@ -282,6 +308,8 @@ protected function render(Throwable $exception, int $statusCode)
 
     /**
      * Gathers the variables that will be made available to the view.
+     *
+     * @deprecated No longer used. Moved to BaseExceptionHandler.
      */
     protected function collectVars(Throwable $exception, int $statusCode): array
     {
@@ -306,6 +334,8 @@ protected function collectVars(Throwable $exception, int $statusCode): array
      * Mask sensitive data in the trace.
      *
      * @param array|object $trace
+     *
+     * @deprecated No longer used. Moved to BaseExceptionHandler.
      */
     protected function maskSensitiveData(&$trace, array $keysToMask, string $path = '')
     {
@@ -416,6 +446,8 @@ public static function cleanPath(string $file): string
     /**
      * Describes memory usage in real-world units. Intended for use
      * with memory_get_usage, etc.
+     *
+     * @deprecated No longer used. Moved to BaseExceptionHandler.
      */
     public static function describeMemory(int $bytes): string
     {
@@ -434,6 +466,8 @@ public static function describeMemory(int $bytes): string
      * Creates a syntax-highlighted version of a PHP file.
      *
      * @return bool|string
+     *
+     * @deprecated No longer used. Moved to BaseExceptionHandler.
      */
     public static function highlightFile(string $file, int $lineNumber, int $lines = 15)
     {