ExceptionHandler::render() - Code Metrics - Inspection of "Merge branch '1.2'" - anomalylabs/streams-platform - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( ad7991...86367b )

by Ryan

created 2016-11-19 00:16 UTC

ExceptionHandler::render() B

↳ Parent: ExceptionHandler

Complexity

Conditions	6
Paths	5

Size

Total Lines	18
Code Lines	11

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	6
eloc	11
nc	5
nop	2
dl	0
loc	18
rs	8.8571
c	0
b	0
f	0

<?php namespace Anomaly\Streams\Platform\Exception;

use Exception;
use GrahamCampbell\Exceptions\NewExceptionHandler;
use Illuminate\Auth\AuthenticationException;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Http\Response;
use Symfony\Component\Debug\ExceptionHandler as SymfonyDisplayer;
use Symfony\Component\HttpKernel\Exception\HttpException;

/**
 * Class ExceptionHandler
 *
 * @link   http://pyrocms.com/
 * @author PyroCMS, Inc. <[email protected]>
 * @author Ryan Thompson <[email protected]>
 */
class ExceptionHandler extends NewExceptionHandler
{

    /**
     * A list of the exception types that should not be reported.
     *
     * @var array
     */
    protected $dontReport = [
        \Illuminate\Auth\AuthenticationException::class,
        \Illuminate\Auth\Access\AuthorizationException::class,
        \Symfony\Component\HttpKernel\Exception\HttpException::class,
        \Illuminate\Database\Eloquent\ModelNotFoundException::class,
        \Illuminate\Session\TokenMismatchException::class,
        \Illuminate\Validation\ValidationException::class,
    ];

    /**
     * Render an exception into an HTTP response.
     *
     * @param  Request   $request
     * @param  Exception $e
     * @return Response
     */
    public function render($request, Exception $e)
    {
        if ($e instanceof HttpException) {
            if (!$e->getStatusCode() == 404) {
                return $this->renderHttpException($e);
            }

            if (($redirect = config('streams::404.redirect')) && $request->path() !== $redirect) {
                return redirect($redirect, 301);
class Author {
    private $name;

    public function __construct($name) {
        $this->name = $name;
    }

    public function getName() {
        return $this->name;
    }
}

abstract class Post {
    public function getAuthor() {
        return 'Johannes';
    }
}

class BlogPost extends Post {
    public function getAuthor() {
        return new Author('Johannes');
    }
}

class ForumPost extends Post { /* ... */ }

function my_function(Post $post) {
    echo strtoupper($post->getAuthor());
}
            }

            return $this->renderHttpException($e);
        } elseif (!config('app.debug')) {
            return response()->view("streams::errors.500", ['message' => $e->getMessage()], 500);
        } else {
            return parent::render($request, $e);
        }
    }

    /**
     * Render the given HttpException.
     *
     * @param  \Symfony\Component\HttpKernel\Exception\HttpException $e
     * @return \Symfony\Component\HttpFoundation\Response
     */
    protected function renderHttpException(HttpException $e)
    {
        $status = $e->getStatusCode();

        if (!config('app.debug') && view()->exists("streams::errors.{$status}")) {
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
            return response()->view("streams::errors.{$status}", ['message' => $e->getMessage()], $status);
        } else {
            return (new SymfonyDisplayer(config('app.debug')))->handle($e);
        }
    }

    /**
     * Map exception into an illuminate response.
     *
     * @param  \Symfony\Component\HttpFoundation\Response $response
     * @param  \Exception                                 $e
     * @return \Illuminate\Http\Response
     */
    protected function toIlluminateResponse($response, Exception $e)
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        if ($response instanceof SymfonyRedirectResponse) {
if ($x instanceof DoesNotExist) {
    // Do something.
}
            $response = new RedirectResponse(
                $response->getTargetUrl(),
                $response->getStatusCode(),
                $response->headers->all()
            );
        } else {
            $response = new Response($response->getContent(), $response->getStatusCode(), $response->headers->all());
        }

        /**
         * Have to catch this for some reason.
         * Not sure why our handler passes this.
         *
         * @todo: Clean up
         */
        if ($e instanceof AuthenticationException) {

            $path     = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
            $segments = array_filter(explode('/', $path));

            if (array_shift($segments) === 'admin') {
                return redirect()->guest('admin/login');
class Author {
    private $name;

    public function __construct($name) {
        $this->name = $name;
    }

    public function getName() {
        return $this->name;
    }
}

abstract class Post {
    public function getAuthor() {
        return 'Johannes';
    }
}

class BlogPost extends Post {
    public function getAuthor() {
        return new Author('Johannes');
    }
}

class ForumPost extends Post { /* ... */ }

function my_function(Post $post) {
    echo strtoupper($post->getAuthor());
}
            } else {
                return redirect()->guest('login');
class Author {
    private $name;

    public function __construct($name) {
        $this->name = $name;
    }

    public function getName() {
        return $this->name;
    }
}

abstract class Post {
    public function getAuthor() {
        return 'Johannes';
    }
}

class BlogPost extends Post {
    public function getAuthor() {
        return new Author('Johannes');
    }
}

class ForumPost extends Post { /* ... */ }

function my_function(Post $post) {
    echo strtoupper($post->getAuthor());
}
            }
        }

        return $response->withException($e);
    }

    /**
     * Convert an authentication exception into an unauthenticated response.
     *
     * @param  \Illuminate\Http\Request                 $request
     * @param  \Illuminate\Auth\AuthenticationException $exception
     * @return \Illuminate\Http\Response
     */
    protected function unauthenticated($request, AuthenticationException $exception)

    {
        if ($request->expectsJson()) {
            return response()->json(['error' => 'Unauthenticated.'], 401);
        }

        if ($request->segment(1) === 'admin') {
            return redirect()->guest('admin/login');
        } else {
            return redirect()->guest('login');
        }
    }
}


1			<?php namespace Anomaly\Streams\Platform\Exception;
2
3			use Exception;
4			use GrahamCampbell\Exceptions\NewExceptionHandler;
5			use Illuminate\Auth\AuthenticationException;
6			use Illuminate\Http\RedirectResponse;
7			use Illuminate\Http\Request;
8			use Illuminate\Http\Response;
9			use Symfony\Component\Debug\ExceptionHandler as SymfonyDisplayer;
10			use Symfony\Component\HttpKernel\Exception\HttpException;
11
12			/**
13			* Class ExceptionHandler
14			*
15			* @link http://pyrocms.com/
16			* @author PyroCMS, Inc. <[email protected]>
17			* @author Ryan Thompson <[email protected]>
18			*/
19			class ExceptionHandler extends NewExceptionHandler
20			{
21
22			/**
23			* A list of the exception types that should not be reported.
24			*
25			* @var array
26			*/
27			protected $dontReport = [
28			\Illuminate\Auth\AuthenticationException::class,
29			\Illuminate\Auth\Access\AuthorizationException::class,
30			\Symfony\Component\HttpKernel\Exception\HttpException::class,
31			\Illuminate\Database\Eloquent\ModelNotFoundException::class,
32			\Illuminate\Session\TokenMismatchException::class,
33			\Illuminate\Validation\ValidationException::class,
34			];
35
36			/**
37			* Render an exception into an HTTP response.
38			*
39			* @param Request $request
40			* @param Exception $e
41			* @return Response
42			*/
43			public function render($request, Exception $e)
44			{
45			if ($e instanceof HttpException) {
46			if (!$e->getStatusCode() == 404) {
47			return $this->renderHttpException($e);
48			}
49
50			if (($redirect = config('streams::404.redirect')) && $request->path() !== $redirect) {
51			return redirect($redirect, 301);
			0 ignored issues – show Bug Best Practice introduced 2016-10-25 19:18 UTC by Report Bug Copy Issue Report The return type of `return redirect($redirect, 301);` (`Illuminate\Http\RedirectResponse`) is incompatible with the return type documented by `Anomaly\Streams\Platform...xceptionHandler::render` of type `Illuminate\Http\Response\|null`. If you return a value from a function or method, it should be a sub-type of the type that is given by the parent type f.e. an interface, or abstract method. This is more formally defined by the Lizkov substitution principle, and guarantees that classes that depend on the parent type can use any instance of a child type interchangably. This principle also belongs to the SOLID principles for object oriented design. Let’s take a look at an example: class Author { private $name; public function __construct($name) { $this->name = $name; } public function getName() { return $this->name; } } abstract class Post { public function getAuthor() { return 'Johannes'; } } class BlogPost extends Post { public function getAuthor() { return new Author('Johannes'); } } class ForumPost extends Post { /* ... */ } function my_function(Post $post) { echo strtoupper($post->getAuthor()); } Our function `my_function` expects a `Post` object, and outputs the author of the post. The base class `Post` returns a simple string and outputting a simple string will work just fine. However, the child class `BlogPost` which is a sub-type of `Post` instead decided to return an `object`, and is therefore violating the SOLID principles. If a `BlogPost` were passed to `my_function`, PHP would not complain, but ultimately fail when executing the `strtoupper` call in its body. Loading history...
52			}
53
54			return $this->renderHttpException($e);
55			} elseif (!config('app.debug')) {
56			return response()->view("streams::errors.500", ['message' => $e->getMessage()], 500);
57			} else {
58			return parent::render($request, $e);
59			}
60			}
61
62			/**
63			* Render the given HttpException.
64			*
65			* @param \Symfony\Component\HttpKernel\Exception\HttpException $e
66			* @return \Symfony\Component\HttpFoundation\Response
67			*/
68			protected function renderHttpException(HttpException $e)
69			{
70			$status = $e->getStatusCode();
71
72			if (!config('app.debug') && view()->exists("streams::errors.{$status}")) {
			0 ignored issues – show Bug introduced 2016-04-22 19:08 UTC by Report Bug Copy Issue Report The method `exists` does only exist in `Illuminate\Contracts\View\Factory`, but not in `Illuminate\View\View`. It seems like the method you are trying to call exists only in some of the possible types. Let’s take a look at an example: class A { public function foo() { } } class B extends A { public function bar() { } } /** * @param A\|B $x / function someFunction($x) { $x->foo(); // This call is fine as the method exists in A and B. $x->bar(); // This method only exists in B and might cause an error. } Available Fixes Add an additional type-check: /* * @param A\|B $x / function someFunction($x) { $x->foo(); if ($x instanceof B) { $x->bar(); } } Only allow a single type to be passed if the variable comes from a parameter: function someFunction(B $x) { /* ... */ } Loading history...
73			return response()->view("streams::errors.{$status}", ['message' => $e->getMessage()], $status);
74			} else {
75			return (new SymfonyDisplayer(config('app.debug')))->handle($e);
76			}
77			}
78
79			/**
80			* Map exception into an illuminate response.
81			*
82			* @param \Symfony\Component\HttpFoundation\Response $response
83			* @param \Exception $e
84			* @return \Illuminate\Http\Response
85			*/
86			protected function toIlluminateResponse($response, Exception $e)
			0 ignored issues – show Coding Style introduced 2016-11-19 00:22 UTC by Report Bug Copy Issue Report `toIlluminateResponse` uses the super-global variable `$_SERVER` which is generally not recommended. Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: // Bad class Router { public function generate($path) { return $_SERVER['HOST'].$path; } } // Better class Router { private $host; public function __construct($host) { $this->host = $host; } public function generate($path) { return $this->host.$path; } } class Controller { public function myAction(Request $request) { // Instead of $page = isset($_GET['page']) ? intval($_GET['page']) : 1; // Better (assuming you use the Symfony2 request) $page = $request->query->get('page', 1); } } Loading history...
87			{
88			if ($response instanceof SymfonyRedirectResponse) {
			0 ignored issues – show Bug introduced 2016-11-19 00:22 UTC by Report Bug Copy Issue Report The class `Anomaly\Streams\Platform...SymfonyRedirectResponse` does not exist. Did you forget a USE statement, or did you not list all dependencies? This error could be the result of: 1. Missing dependencies PHP Analyzer uses your `composer.json` file (if available) to determine the dependencies of your project and to determine all the available classes and functions. It expects the `composer.json` to be in the root folder of your repository. Are you sure this class is defined by one of your dependencies, or did you maybe not list a dependency in either the `require` or `require-dev` section? 2. Missing use statement PHP does not complain about undefined classes in `ìnstanceof` checks. For example, the following PHP code will work perfectly fine: if ($x instanceof DoesNotExist) { // Do something. } If you have not tested against this specific condition, such errors might go unnoticed. Loading history...
89			$response = new RedirectResponse(
90			$response->getTargetUrl(),
91			$response->getStatusCode(),
92			$response->headers->all()
93			);
94			} else {
95			$response = new Response($response->getContent(), $response->getStatusCode(), $response->headers->all());
96			}
97
98			/**
99			* Have to catch this for some reason.
100			* Not sure why our handler passes this.
101			*
102			* @todo: Clean up
103			*/
104			if ($e instanceof AuthenticationException) {
105
106			$path = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
107			$segments = array_filter(explode('/', $path));
108
109			if (array_shift($segments) === 'admin') {
110			return redirect()->guest('admin/login');
			0 ignored issues – show Bug Best Practice introduced 2016-11-19 00:22 UTC by Report Bug Copy Issue Report The return type of `return redirect()->guest('admin/login');` (`Illuminate\Http\RedirectResponse`) is incompatible with the return type documented by `Anomaly\Streams\Platform...r::toIlluminateResponse` of type `Illuminate\Http\Response`. If you return a value from a function or method, it should be a sub-type of the type that is given by the parent type f.e. an interface, or abstract method. This is more formally defined by the Lizkov substitution principle, and guarantees that classes that depend on the parent type can use any instance of a child type interchangably. This principle also belongs to the SOLID principles for object oriented design. Let’s take a look at an example: class Author { private $name; public function __construct($name) { $this->name = $name; } public function getName() { return $this->name; } } abstract class Post { public function getAuthor() { return 'Johannes'; } } class BlogPost extends Post { public function getAuthor() { return new Author('Johannes'); } } class ForumPost extends Post { /* ... */ } function my_function(Post $post) { echo strtoupper($post->getAuthor()); } Our function `my_function` expects a `Post` object, and outputs the author of the post. The base class `Post` returns a simple string and outputting a simple string will work just fine. However, the child class `BlogPost` which is a sub-type of `Post` instead decided to return an `object`, and is therefore violating the SOLID principles. If a `BlogPost` were passed to `my_function`, PHP would not complain, but ultimately fail when executing the `strtoupper` call in its body. Loading history...
111			} else {
112			return redirect()->guest('login');
			0 ignored issues – show Bug Best Practice introduced 2016-11-19 00:22 UTC by Report Bug Copy Issue Report The return type of `return redirect()->guest('login');` (`Illuminate\Http\RedirectResponse`) is incompatible with the return type documented by `Anomaly\Streams\Platform...r::toIlluminateResponse` of type `Illuminate\Http\Response`. If you return a value from a function or method, it should be a sub-type of the type that is given by the parent type f.e. an interface, or abstract method. This is more formally defined by the Lizkov substitution principle, and guarantees that classes that depend on the parent type can use any instance of a child type interchangably. This principle also belongs to the SOLID principles for object oriented design. Let’s take a look at an example: class Author { private $name; public function __construct($name) { $this->name = $name; } public function getName() { return $this->name; } } abstract class Post { public function getAuthor() { return 'Johannes'; } } class BlogPost extends Post { public function getAuthor() { return new Author('Johannes'); } } class ForumPost extends Post { /* ... */ } function my_function(Post $post) { echo strtoupper($post->getAuthor()); } Our function `my_function` expects a `Post` object, and outputs the author of the post. The base class `Post` returns a simple string and outputting a simple string will work just fine. However, the child class `BlogPost` which is a sub-type of `Post` instead decided to return an `object`, and is therefore violating the SOLID principles. If a `BlogPost` were passed to `my_function`, PHP would not complain, but ultimately fail when executing the `strtoupper` call in its body. Loading history...
113			}
114			}
115
116			return $response->withException($e);
117			}
118
119			/**
120			* Convert an authentication exception into an unauthenticated response.
121			*
122			* @param \Illuminate\Http\Request $request
123			* @param \Illuminate\Auth\AuthenticationException $exception
124			* @return \Illuminate\Http\Response
125			*/
126			protected function unauthenticated($request, AuthenticationException $exception)
			0 ignored issues – show Unused Code introduced 2016-11-17 06:26 UTC by Report Bug Copy Issue Report The parameter `$exception` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
127			{
128			if ($request->expectsJson()) {
129			return response()->json(['error' => 'Unauthenticated.'], 401);
130			}
131
132			if ($request->segment(1) === 'admin') {
133			return redirect()->guest('admin/login');
134			} else {
135			return redirect()->guest('login');
136			}
137			}
138			}
139

anomalylabs / streams-platform

Push — master ( ad7991...86367b )

ExceptionHandler::render() B

Complexity

Size

Duplication

Importance

Available Fixes

1. Missing dependencies

2. Missing use statement

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