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app/Exceptions/Displayers/JsonValidationDisplayer.php

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+<?php
+
+/*
+ * This file is part of Cachet.
+ *
+ * (c) Alt Three Services Limited
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace CachetHQ\Cachet\Exceptions\Displayers;
+
+use AltThree\Validator\ValidationException;
+use Exception;
+use GrahamCampbell\Exceptions\Displayers\DisplayerInterface;
+use GrahamCampbell\Exceptions\Displayers\JsonDisplayer;
+use Symfony\Component\HttpFoundation\JsonResponse;
+
+class JsonValidationDisplayer extends JsonDisplayer implements DisplayerInterface
+{
+    /**
+     * Get the error response associated with the given exception.
+     *
+     * @param \Exception $exception
+     * @param string     $id
+     * @param int        $code
+     * @param string[]   $headers
+     *
+     * @return \Symfony\Component\HttpFoundation\Response
+     */
+    public function display(Exception $exception, string $id, int $code, array $headers)
+    {
+        $info = $this->info->generate($exception, $id, 400);
+
+        $error = ['id' => $id, 'status' => $info['code'], 'title' => $info['name'], 'detail' => $info['detail'], 'meta' => ['details' => $exception->getMessageBag()->all()]];
+
+        return new JsonResponse(['errors' => [$error]], 400, array_merge($headers, ['Content-Type' => $this->contentType()]));
+    }
+
+    /**
+     * Can we display the exception?
+     *
+     * @param \Exception $original
+     * @param \Exception $transformed
+     * @param int        $code
+     *
+     * @return bool
+     */
+    public function canDisplay(Exception $original, Exception $transformed, int $code)
+    {
+        return $transformed instanceof ValidationException;
+    }
+}

app/Exceptions/Displayers/MaintenanceDisplayer.php

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+<?php
+
+/*
+ * This file is part of Cachet.
+ *
+ * (c) Alt Three Services Limited
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace CachetHQ\Cachet\Exceptions\Displayers;
+
+use Exception;
+use GrahamCampbell\Exceptions\Displayers\DisplayerInterface;
+use Illuminate\Contracts\View\Factory;
+use Illuminate\Foundation\Http\Exceptions\MaintenanceModeException;
+use Illuminate\Http\Response;
+
+/**
+ * This is the maintenance displayer class.
+ *
+ * @author James Brooks <james@alt-three.com>
+ */
+class MaintenanceDisplayer implements DisplayerInterface
+{
+    /**
+     * The view factory instance.
+     *
+     * @var \Illuminate\Contracts\View\Factory
+     */
+    protected $view;
+
+    /**
+     * Create a new maintenance displayer instance.
+     *
+     * @param \Illuminate\Contracts\View\Factory $view
+     *
+     * @return void
+     */
+    public function __construct(Factory $view)
+    {
+        $this->view = $view;
+    }
+
+    /**
+     * Get the error response associated with the given exception.
+     *
+     * @param \Exception $exception
+     * @param string     $id
+     * @param int        $code
+     * @param string[]   $headers
+     *
+     * @return \Symfony\Component\HttpFoundation\Response
+     */
+    public function display(Exception $exception, string $id, int $code, array $headers)
+    {
+        return new Response($this->render(), $code, array_merge($headers, ['Content-Type' => $this->contentType()]));
+    }
+
+    /**
+     * Render the page.
+     *
+     * @return string
+     */
+    protected function render()
+    {
+        return $this->view->make('errors.maintenance')->render();
+    }
+
+    /**
+     * Get the supported content type.
+     *
+     * @return string
+     */
+    public function contentType()
+    {
+        return 'text/html';
+    }
+
+    /**
+     * Can we display the exception?
+     *
+     * @param \Exception $original
+     * @param \Exception $transformed
+     * @param int        $code
+     *
+     * @return bool
+     */
+    public function canDisplay(Exception $original, Exception $transformed, int $code)
+    {
+        return $transformed instanceof MaintenanceModeException;
+    }
+
+    /**
+     * Do we provide verbose information about the exception?
+     *
+     * @return bool
+     */
+    public function isVerbose()
+    {
+        return false;
+    }
+}

app/Exceptions/Displayers/RedirectDisplayer.php

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+<?php
+
+/*
+ * This file is part of Cachet.
+ *
+ * (c) Alt Three Services Limited
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace CachetHQ\Cachet\Exceptions\Displayers;
+
+use Exception;
+use GrahamCampbell\Exceptions\Displayers\DisplayerInterface;
+use Illuminate\Http\Request;
+use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
+
+class RedirectDisplayer implements DisplayerInterface
+{
+    /**
+     * The request instance.
+     *
+     * @var \Illuminate\Http\Request
+     */
+    protected $request;
+
+    /**
+     * Create a new redirect displayer instance.
+     *
+     * @param \Illuminate\Http\Request $request
+     *
+     * @return void
+     */
+    public function __construct(Request $request)
+    {
+        $this->request = $request;
+    }
+
+    /**
+     * Get the error response associated with the given exception.
+     *
+     * @param \Exception $exception
+     * @param string     $id
+     * @param int        $code
+     * @param string[]   $headers
+     *
+     * @return \Symfony\Component\HttpFoundation\Response
+     */
+    public function display(Exception $exception, string $id, int $code, array $headers)
+    {
+        return redirect()->guest('auth/login');
+    }
+
+    /**
+     * Get the supported content type.
+     *
+     * @return string
+     */
+    public function contentType()
+    {
+        return 'text/html';
+    }
+
+    /**
+     * Can we display the exception?
+     *
+     * @param \Exception $original
+     * @param \Exception $transformed
+     * @param int        $code
+     *
+     * @return bool
+     */
+    public function canDisplay(Exception $original, Exception $transformed, int $code)
+    {
+        $redirect = $transformed instanceof HttpExceptionInterface && $transformed->getStatusCode() === 401;
+
+        return $redirect && !$this->request->is('api*');
+    }
+
+    /**
+     * Do we provide verbose information about the exception?
+     *
+     * @return bool
+     */
+    public function isVerbose()
+    {
+        return false;
+    }
+}

app/Exceptions/Displayers/SettingsDisplayer.php

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+<?php
+
+/*
+ * This file is part of Cachet.
+ *
+ * (c) Alt Three Services Limited
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace CachetHQ\Cachet\Exceptions\Displayers;
+
+use CachetHQ\Cachet\Settings\ReadException;
+use Exception;
+use GrahamCampbell\Exceptions\Displayers\DisplayerInterface;
+use Illuminate\Http\Request;
+
+class SettingsDisplayer implements DisplayerInterface
+{
+    /**
+     * The request instance.
+     *
+     * @var \Illuminate\Http\Request
+     */
+    protected $request;
+
+    /**
+     * Create a new redirect displayer instance.
+     *
+     * @param \Illuminate\Http\Request $request
+     *
+     * @return void
+     */
+    public function __construct(Request $request)
+    {
+        $this->request = $request;
+    }
+
+    /**
+     * Get the error response associated with the given exception.
+     *
+     * @param \Exception $exception
+     * @param string     $id
+     * @param int        $code
+     * @param string[]   $headers
+     *
+     * @return \Symfony\Component\HttpFoundation\Response
+     */
+    public function display(Exception $exception, string $id, int $code, array $headers)
+    {
+        return cachet_redirect('setup');
+    }
+
+    /**
+     * Get the supported content type.
+     *
+     * @return string
+     */
+    public function contentType()
+    {
+        return 'text/html';
+    }
+
+    /**
+     * Can we display the exception?
+     *
+     * @param \Exception $original
+     * @param \Exception $transformed
+     * @param int        $code
+     *
+     * @return bool
+     */
+    public function canDisplay(Exception $original, Exception $transformed, int $code)
+    {
+        return ($transformed instanceof ReadException) && !$this->request->is('setup*');
+    }
+
+    /**
+     * Do we provide verbose information about the exception?
+     *
+     * @return bool
+     */
+    public function isVerbose()
+    {
+        return false;
+    }
+}

app/Exceptions/Displayers/ThrottleDisplayer.php

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+<?php
+
+/*
+ * This file is part of Cachet.
+ *
+ * (c) Alt Three Services Limited
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace CachetHQ\Cachet\Exceptions\Displayers;
+
+use Exception;
+use GrahamCampbell\Exceptions\Displayers\DisplayerInterface;
+use Illuminate\Http\Request;
+use Symfony\Component\HttpKernel\Exception\TooManyRequestsHttpException;
+
+class ThrottleDisplayer implements DisplayerInterface
+{
+    /**
+     * The request instance.
+     *
+     * @var \Illuminate\Http\Request
+     */
+    protected $request;
+
+    /**
+     * Create a new redirect displayer instance.
+     *
+     * @param \Illuminate\Http\Request $request
+     *
+     * @return void
+     */
+    public function __construct(Request $request)
+    {
+        $this->request = $request;
+    }
+
+    /**
+     * Get the error response associated with the given exception.
+     *
+     * @param \Exception $exception
+     * @param string     $id
+     * @param int        $code
+     * @param string[]   $headers
+     *
+     * @return \Symfony\Component\HttpFoundation\Response
+     */
+    public function display(Exception $exception, string $id, int $code, array $headers)
+    {
+        return cachet_redirect('auth.login')->withError(trans('forms.login.rate-limit'));
+    }
+
+    /**
+     * Get the supported content type.
+     *
+     * @return string
+     */
+    public function contentType()
+    {
+        return 'text/html';
+    }
+
+    /**
+     * Can we display the exception?
+     *
+     * @param \Exception $original
+     * @param \Exception $transformed
+     * @param int        $code
+     *
+     * @return bool
+     */
+    public function canDisplay(Exception $original, Exception $transformed, int $code)
+    {
+        return $transformed instanceof TooManyRequestsHttpException && $this->request->is('auth*');
+    }
+
+    /**
+     * Do we provide verbose information about the exception?
+     *
+     * @return bool
+     */
+    public function isVerbose()
+    {
+        return false;
+    }
+}

app/Exceptions/Filters/ApiFilter.php

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+<?php
+
+/*
+ * This file is part of Cachet.
+ *
+ * (c) Alt Three Services Limited
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace CachetHQ\Cachet\Exceptions\Filters;
+
+use Exception;
+use Illuminate\Http\Request;
+use Illuminate\Support\Str;
+
+class ApiFilter
+{
+    /**
+     * Filter and return the displayers.
+     *
+     * @param \GrahamCampbell\Exceptions\Displayers\DisplayerInterface[] $displayers
+     * @param \Illuminate\Http\Request                                   $request
+     * @param \Exception                                                 $original
+     * @param \Exception                                                 $transformed
+     * @param int                                                        $code
+     *
+     * @return \GrahamCampbell\Exceptions\Displayers\DisplayerInterface[]
+     */
+    public function filter(array $displayers, Request $request, Exception $original, Exception $transformed, int $code)
+    {
+        if ($request->is('api*')) {
+            foreach ($displayers as $index => $displayer) {
+                if (!Str::contains($displayer->contentType(), 'application/')) {
+                    unset($displayers[$index]);
+                }
+            }
+        }
+
+        return array_values($displayers);
+    }
+}

app/Exceptions/Transformers/BusTransformer.php

@@ -0,0 +1,41 @@
+<?php
+
+/*
+ * This file is part of Cachet.
+ *
+ * (c) Alt Three Services Limited
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace CachetHQ\Cachet\Exceptions\Transformers;
+
+use CachetHQ\Cachet\Bus\Exceptions\ExceptionInterface;
+use Exception;
+use GrahamCampbell\Exceptions\Transformers\TransformerInterface;
+use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
+
+/**
+ * This is the bus transformer class.
+ *
+ * @author Graham Campbell <graham@alt-three.com>
+ */
+class BusTransformer implements TransformerInterface
+{
+    /**
+     * Transform the provided exception.
+     *
+     * @param \Exception $exception
+     *
+     * @return \Exception
+     */
+    public function transform(Exception $exception)
+    {
+        if ($exception instanceof ExceptionInterface) {
+            $exception = new BadRequestHttpException($exception->getMessage());
+        }
+
+        return $exception;
+    }
+}