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<?php
namespace Illuminate\Foundation\Exceptions;
use Closure;
use Exception;
use Illuminate\Auth\Access\AuthorizationException;
use Illuminate\Auth\AuthenticationException;
use Illuminate\Contracts\Container\BindingResolutionException;
use Illuminate\Contracts\Container\Container;
use Illuminate\Contracts\Debug\ExceptionHandler as ExceptionHandlerContract;
use Illuminate\Contracts\Support\Responsable;
use Illuminate\Database\Eloquent\ModelNotFoundException;
use Illuminate\Database\MultipleRecordsFoundException;
use Illuminate\Database\RecordsNotFoundException;
use Illuminate\Http\Exceptions\HttpResponseException;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Response;
use Illuminate\Routing\Router;
use Illuminate\Session\TokenMismatchException;
use Illuminate\Support\Arr;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Reflector;
use Illuminate\Support\Traits\ReflectsClosures;
use Illuminate\Support\ViewErrorBag;
use Illuminate\Validation\ValidationException;
use InvalidArgumentException;
use Psr\Log\LoggerInterface;
use Symfony\Component\Console\Application as ConsoleApplication;
use Symfony\Component\ErrorHandler\ErrorRenderer\HtmlErrorRenderer;
use Symfony\Component\HttpFoundation\Exception\SuspiciousOperationException;
use Symfony\Component\HttpFoundation\RedirectResponse as SymfonyRedirectResponse;
use Symfony\Component\HttpFoundation\Response as SymfonyResponse;
use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
use Symfony\Component\HttpKernel\Exception\HttpException;
use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
use Throwable;
use Whoops\Handler\HandlerInterface;
use Whoops\Run as Whoops;
class Handler implements ExceptionHandlerContract
{
use ReflectsClosures;
/**
* The container implementation.
*
* @var \Illuminate\Contracts\Container\Container
*/
protected $container;
/**
* A list of the exception types that are not reported.
*
* @var array
*/
protected $dontReport = [];
/**
* The callbacks that should be used during reporting.
*
* @var array
*/
protected $reportCallbacks = [];
/**
* The callbacks that should be used during rendering.
*
* @var array
*/
protected $renderCallbacks = [];
/**
* The registered exception mappings.
*
* @var array
*/
protected $exceptionMap = [];
/**
* A list of the internal exception types that should not be reported.
*
* @var string[]
*/
protected $internalDontReport = [
AuthenticationException::class,
AuthorizationException::class,
HttpException::class,
HttpResponseException::class,
ModelNotFoundException::class,
MultipleRecordsFoundException::class,
RecordsNotFoundException::class,
SuspiciousOperationException::class,
TokenMismatchException::class,
ValidationException::class,
];
/**
* A list of the inputs that are never flashed for validation exceptions.
*
* @var string[]
*/
protected $dontFlash = [
'current_password',
'password',
'password_confirmation',
];
/**
* Create a new exception handler instance.
*
* @param \Illuminate\Contracts\Container\Container $container
* @return void
*/
public function __construct(Container $container)
{
$this->container = $container;
$this->register();
}
/**
* Register the exception handling callbacks for the application.
*
* @return void
*/
public function register()
{
//
}
/**
* Register a reportable callback.
*
* @param callable $reportUsing
* @return \Illuminate\Foundation\Exceptions\ReportableHandler
*/
public function reportable(callable $reportUsing)
{
if (! $reportUsing instanceof Closure) {
$reportUsing = Closure::fromCallable($reportUsing);
}
return tap(new ReportableHandler($reportUsing), function ($callback) {
$this->reportCallbacks[] = $callback;
});
}
/**
* Register a renderable callback.
*
* @param callable $renderUsing
* @return $this
*/
public function renderable(callable $renderUsing)
{
if (! $renderUsing instanceof Closure) {
$renderUsing = Closure::fromCallable($renderUsing);
}
$this->renderCallbacks[] = $renderUsing;
return $this;
}
/**
* Register a new exception mapping.
*
* @param \Closure|string $from
* @param \Closure|string|null $to
* @return $this
*/
public function map($from, $to = null)
{
if (is_string($to)) {
$to = function ($exception) use ($to) {
return new $to('', 0, $exception);
};
}
if (is_callable($from) && is_null($to)) {
$from = $this->firstClosureParameterType($to = $from);
}
if (! is_string($from) || ! $to instanceof Closure) {
throw new InvalidArgumentException('Invalid exception mapping.');
}
$this->exceptionMap[$from] = $to;
return $this;
}
/**
* Indicate that the given exception type should not be reported.
*
* @param string $class
* @return $this
*/
protected function ignore(string $class)
{
$this->dontReport[] = $class;
return $this;
}
/**
* Report or log an exception.
*
* @param \Throwable $e
* @return void
*
* @throws \Throwable
*/
public function report(Throwable $e)
{
$e = $this->mapException($e);
if ($this->shouldntReport($e)) {
return;
}
if (Reflector::isCallable($reportCallable = [$e, 'report'])) {
if ($this->container->call($reportCallable) !== false) {
return;
}
}
foreach ($this->reportCallbacks as $reportCallback) {
if ($reportCallback->handles($e)) {
if ($reportCallback($e) === false) {
return;
}
}
}
try {
$logger = $this->container->make(LoggerInterface::class);
} catch (Exception $ex) {
throw $e;
}
$logger->error(
$e->getMessage(),
array_merge(
$this->exceptionContext($e),
$this->context(),
['exception' => $e]
)
);
}
/**
* Determine if the exception should be reported.
*
* @param \Throwable $e
* @return bool
*/
public function shouldReport(Throwable $e)
{
return ! $this->shouldntReport($e);
}
/**
* Determine if the exception is in the "do not report" list.
*
* @param \Throwable $e
* @return bool
*/
protected function shouldntReport(Throwable $e)
{
$dontReport = array_merge($this->dontReport, $this->internalDontReport);
return ! is_null(Arr::first($dontReport, function ($type) use ($e) {
return $e instanceof $type;
}));
}
/**
* Get the default exception context variables for logging.
*
* @param \Throwable $e
* @return array
*/
protected function exceptionContext(Throwable $e)
{
if (method_exists($e, 'context')) {
return $e->context();
}
return [];
}
/**
* Get the default context variables for logging.
*
* @return array
*/
protected function context()
{
try {
return array_filter([
'userId' => Auth::id(),
// 'email' => optional(Auth::user())->email,
]);
} catch (Throwable $e) {
return [];
}
}
/**
* Render an exception into an HTTP response.
*
* @param \Illuminate\Http\Request $request
* @param \Throwable $e
* @return \Symfony\Component\HttpFoundation\Response
*
* @throws \Throwable
*/
public function render($request, Throwable $e)
{
if (method_exists($e, 'render') && $response = $e->render($request)) {
return Router::toResponse($request, $response);
} elseif ($e instanceof Responsable) {
return $e->toResponse($request);
}
$e = $this->prepareException($this->mapException($e));
foreach ($this->renderCallbacks as $renderCallback) {
if (is_a($e, $this->firstClosureParameterType($renderCallback))) {
$response = $renderCallback($e, $request);
if (! is_null($response)) {
return $response;
}
}
}
if ($e instanceof HttpResponseException) {
return $e->getResponse();
} elseif ($e instanceof AuthenticationException) {
return $this->unauthenticated($request, $e);
} elseif ($e instanceof ValidationException) {
return $this->convertValidationExceptionToResponse($e, $request);
}
return $request->expectsJson()
? $this->prepareJsonResponse($request, $e)
: $this->prepareResponse($request, $e);
}
/**
* Map the exception using a registered mapper if possible.
*
* @param \Throwable $e
* @return \Throwable
*/
protected function mapException(Throwable $e)
{
foreach ($this->exceptionMap as $class => $mapper) {
if (is_a($e, $class)) {
return $mapper($e);
}
}
return $e;
}
/**
* Prepare exception for rendering.
*
* @param \Throwable $e
* @return \Throwable
*/
protected function prepareException(Throwable $e)
{
if ($e instanceof ModelNotFoundException) {
$e = new NotFoundHttpException($e->getMessage(), $e);
} elseif ($e instanceof AuthorizationException) {
$e = new AccessDeniedHttpException($e->getMessage(), $e);
} elseif ($e instanceof TokenMismatchException) {
$e = new HttpException(419, $e->getMessage(), $e);
} elseif ($e instanceof SuspiciousOperationException) {
$e = new NotFoundHttpException('Bad hostname provided.', $e);
} elseif ($e instanceof RecordsNotFoundException) {
$e = new NotFoundHttpException('Not found.', $e);
}
return $e;
}
/**
* Convert an authentication exception into a response.
*
* @param \Illuminate\Http\Request $request
* @param \Illuminate\Auth\AuthenticationException $exception
* @return \Symfony\Component\HttpFoundation\Response
*/
protected function unauthenticated($request, AuthenticationException $exception)
{
return $request->expectsJson()
? response()->json(['message' => $exception->getMessage()], 401)
: redirect()->guest($exception->redirectTo() ?? route('login'));
}
/**
* Create a response object from the given validation exception.
*
* @param \Illuminate\Validation\ValidationException $e
* @param \Illuminate\Http\Request $request
* @return \Symfony\Component\HttpFoundation\Response
*/
protected function convertValidationExceptionToResponse(ValidationException $e, $request)
{
if ($e->response) {
return $e->response;
}
return $request->expectsJson()
? $this->invalidJson($request, $e)
: $this->invalid($request, $e);
}
/**
* Convert a validation exception into a response.
*
* @param \Illuminate\Http\Request $request
* @param \Illuminate\Validation\ValidationException $exception
* @return \Illuminate\Http\Response
*/
protected function invalid($request, ValidationException $exception)
{
return redirect($exception->redirectTo ?? url()->previous())
->withInput(Arr::except($request->input(), $this->dontFlash))
->withErrors($exception->errors(), $request->input('_error_bag', $exception->errorBag));
}
/**
* Convert a validation exception into a JSON response.
*
* @param \Illuminate\Http\Request $request
* @param \Illuminate\Validation\ValidationException $exception
* @return \Illuminate\Http\JsonResponse
*/
protected function invalidJson($request, ValidationException $exception)
{
return response()->json([
'message' => $exception->getMessage(),
'errors' => $exception->errors(),
], $exception->status);
}
/**
* Prepare a response for the given exception.
*
* @param \Illuminate\Http\Request $request
* @param \Throwable $e
* @return \Symfony\Component\HttpFoundation\Response
*/
protected function prepareResponse($request, Throwable $e)
{
if (! $this->isHttpException($e) && config('app.debug')) {
return $this->toIlluminateResponse($this->convertExceptionToResponse($e), $e);
}
if (! $this->isHttpException($e)) {
$e = new HttpException(500, $e->getMessage());
}
return $this->toIlluminateResponse(
$this->renderHttpException($e), $e
);
}
/**
* Create a Symfony response for the given exception.
*
* @param \Throwable $e
* @return \Symfony\Component\HttpFoundation\Response
*/
protected function convertExceptionToResponse(Throwable $e)
{
return new SymfonyResponse(
$this->renderExceptionContent($e),
$this->isHttpException($e) ? $e->getStatusCode() : 500,
$this->isHttpException($e) ? $e->getHeaders() : []
);
}
/**
* Get the response content for the given exception.
*
* @param \Throwable $e
* @return string
*/
protected function renderExceptionContent(Throwable $e)
{
try {
return config('app.debug') && class_exists(Whoops::class)
? $this->renderExceptionWithWhoops($e)
: $this->renderExceptionWithSymfony($e, config('app.debug'));
} catch (Exception $e) {
return $this->renderExceptionWithSymfony($e, config('app.debug'));
}
}
/**
* Render an exception to a string using "Whoops".
*
* @param \Throwable $e
* @return string
*/
protected function renderExceptionWithWhoops(Throwable $e)
{
return tap(new Whoops, function ($whoops) {
$whoops->appendHandler($this->whoopsHandler());
$whoops->writeToOutput(false);
$whoops->allowQuit(false);
})->handleException($e);
}
/**
* Get the Whoops handler for the application.
*
* @return \Whoops\Handler\Handler
*/
protected function whoopsHandler()
{
try {
return app(HandlerInterface::class);
} catch (BindingResolutionException $e) {
return (new WhoopsHandler)->forDebug();
}
}
/**
* Render an exception to a string using Symfony.
*
* @param \Throwable $e
* @param bool $debug
* @return string
*/
protected function renderExceptionWithSymfony(Throwable $e, $debug)
{
$renderer = new HtmlErrorRenderer($debug);
return $renderer->render($e)->getAsString();
}
/**
* Render the given HttpException.
*
* @param \Symfony\Component\HttpKernel\Exception\HttpExceptionInterface $e
* @return \Symfony\Component\HttpFoundation\Response
*/
protected function renderHttpException(HttpExceptionInterface $e)
{
$this->registerErrorViewPaths();
if (view()->exists($view = $this->getHttpExceptionView($e))) {
return response()->view($view, [
'errors' => new ViewErrorBag,
'exception' => $e,
], $e->getStatusCode(), $e->getHeaders());
}
return $this->convertExceptionToResponse($e);
}
/**
* Register the error template hint paths.
*
* @return void
*/
protected function registerErrorViewPaths()
{
(new RegisterErrorViewPaths)();
}
/**
* Get the view used to render HTTP exceptions.
*
* @param \Symfony\Component\HttpKernel\Exception\HttpExceptionInterface $e
* @return string
*/
protected function getHttpExceptionView(HttpExceptionInterface $e)
{
return "errors::{$e->getStatusCode()}";
}
/**
* Map the given exception into an Illuminate response.
*
* @param \Symfony\Component\HttpFoundation\Response $response
* @param \Throwable $e
* @return \Illuminate\Http\Response
*/
protected function toIlluminateResponse($response, Throwable $e)
{
if ($response instanceof SymfonyRedirectResponse) {
$response = new RedirectResponse(
$response->getTargetUrl(), $response->getStatusCode(), $response->headers->all()
);
} else {
$response = new Response(
$response->getContent(), $response->getStatusCode(), $response->headers->all()
);
}
return $response->withException($e);
}
/**
* Prepare a JSON response for the given exception.
*
* @param \Illuminate\Http\Request $request
* @param \Throwable $e
* @return \Illuminate\Http\JsonResponse
*/
protected function prepareJsonResponse($request, Throwable $e)
{
return new JsonResponse(
$this->convertExceptionToArray($e),
$this->isHttpException($e) ? $e->getStatusCode() : 500,
$this->isHttpException($e) ? $e->getHeaders() : [],
JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES
);
}
/**
* Convert the given exception to an array.
*
* @param \Throwable $e
* @return array
*/
protected function convertExceptionToArray(Throwable $e)
{
return config('app.debug') ? [
'message' => $e->getMessage(),
'exception' => get_class($e),
'file' => $e->getFile(),
'line' => $e->getLine(),
'trace' => collect($e->getTrace())->map(function ($trace) {
return Arr::except($trace, ['args']);
})->all(),
] : [
'message' => $this->isHttpException($e) ? $e->getMessage() : 'Server Error',
];
}
/**
* Render an exception to the console.
*
* @param \Symfony\Component\Console\Output\OutputInterface $output
* @param \Throwable $e
* @return void
*/
public function renderForConsole($output, Throwable $e)
{
(new ConsoleApplication)->renderThrowable($e, $output);
}
/**
* Determine if the given exception is an HTTP exception.
*
* @param \Throwable $e
* @return bool
*/
protected function isHttpException(Throwable $e)
{
return $e instanceof HttpExceptionInterface;
}
}
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