CentrifugoBroadcaster::__construct() - Code Metrics - Inspection of "Update README.md" - denis660/laravel-centrifugo - Measure and Improve Code Quality continuously with Scrutinizer

Completed

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by Denis

created 2021-01-16 20:53 UTC

CentrifugoBroadcaster::__construct() A

↳ Parent: CentrifugoBroadcaster

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	4
rs	10
c	0
b	0
f	0
cc	1
nc	1
nop	1

<?php

declare(strict_types=1);

namespace denis660\Centrifugo;

use Exception;
use Illuminate\Broadcasting\Broadcasters\Broadcaster;
use Illuminate\Broadcasting\BroadcastException;
use Symfony\Component\HttpKernel\Exception\HttpException;

class CentrifugoBroadcaster extends Broadcaster
{
    /**
     * The Centrifugo SDK instance.
     *
     * @var Contracts\CentrifugoInterface
     */
    protected $centrifugo;

    /**
     * Create a new broadcaster instance.
     *
     * @param Centrifugo $centrifugo
     */
    public function __construct(Centrifugo $centrifugo)
    {
        $this->centrifugo = $centrifugo;
    }

    /**
     * Authenticate the incoming request for a given channel.
     *
     * @param \Illuminate\Http\Request $request
     * @return mixed
     */
    public function auth($request)
    {
        if ($request->user()) {
            $client = $this->getClientFromRequest($request);
            $channels = $this->getChannelsFromRequest($request);

            $response = [];
            foreach ($channels as $channel) {
                $channelName = $this->getChannelName($channel);

                try {
                    $is_access_granted = $this->verifyUserCanAccessChannel($request, $channelName);
                } catch (HttpException $e) {
                    $is_access_granted = false;
                }

                $response[$channel] = $this->makeResponseForClient($is_access_granted, $client);
            }

            return response()->json($response);
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.
}
        } else {
            throw new HttpException(401);
        }
    }

    /**
     * Return the valid authentication response.
     *
     * @param \Illuminate\Http\Request $request
     * @param mixed $result
     * @return mixed
     */
    public function validAuthenticationResponse($request, $result)
    {
        return $result;
    }

    /**
     * Broadcast the given event.
     *
     * @param array $channels
     * @param string $event
     * @param array $payload
     * @return void
     */
    public function broadcast(array $channels, $event, array $payload = [])
    {
        $payload['event'] = $event;

        $response = $this->centrifugo->broadcast($this->formatChannels($channels), $payload);

        if (is_array($response) && ! isset($response['error'])) {
            return;
        }

        throw new BroadcastException(
            $response['error'] instanceof Exception ? $response['error']->getMessage() : $response['error']
        );
    }

    /**
     * Get client from request.
     *
     * @param \Illuminate\Http\Request $request
     * @return string
     */
    private function getClientFromRequest($request)
    {
        return $request->get('client', '');
    }

    /**
     * Get channels from request.
     *
     * @param \Illuminate\Http\Request $request
     * @return array
     */
    private function getChannelsFromRequest($request)
    {
        $channels = $request->get('channels', []);

        return is_array($channels) ? $channels : [$channels];
    }

    /**
     * Get channel name without $ symbol (if present).
     *
     * @param string $channel
     * @return string
     */
    private function getChannelName(string $channel)
    {
        return (substr($channel, 0, 1) === '$') ? substr($channel, 1) : $channel;
    }

    /**
     * Make response for client, based on access rights.
     *
     * @param bool $access_granted
     * @param string $client
     * @return array
     */
    private function makeResponseForClient(bool $access_granted, string $client)
    {
        $info = [];

        return $access_granted ? [
            'sign' => $this->centrifugo->generateConnectionToken($client, 0, $info),
            'info' => $info,
        ] : [
            'status' => 403,
        ];
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace denis660\Centrifugo;
6
7			use Exception;
8			use Illuminate\Broadcasting\Broadcasters\Broadcaster;
9			use Illuminate\Broadcasting\BroadcastException;
10			use Symfony\Component\HttpKernel\Exception\HttpException;
11
12			class CentrifugoBroadcaster extends Broadcaster
13			{
14			/**
15			* The Centrifugo SDK instance.
16			*
17			* @var Contracts\CentrifugoInterface
18			*/
19			protected $centrifugo;
20
21			/**
22			* Create a new broadcaster instance.
23			*
24			* @param Centrifugo $centrifugo
25			*/
26			public function __construct(Centrifugo $centrifugo)
27			{
28			$this->centrifugo = $centrifugo;
29			}
30
31			/**
32			* Authenticate the incoming request for a given channel.
33			*
34			* @param \Illuminate\Http\Request $request
35			* @return mixed
36			*/
37			public function auth($request)
38			{
39			if ($request->user()) {
40			$client = $this->getClientFromRequest($request);
41			$channels = $this->getChannelsFromRequest($request);
42
43			$response = [];
44			foreach ($channels as $channel) {
45			$channelName = $this->getChannelName($channel);
46
47			try {
48			$is_access_granted = $this->verifyUserCanAccessChannel($request, $channelName);
49			} catch (HttpException $e) {
50			$is_access_granted = false;
51			}
52
53			$response[$channel] = $this->makeResponseForClient($is_access_granted, $client);
54			}
55
56			return response()->json($response);
			0 ignored issues – show Bug introduced 2021-01-12 17:16 UTC by Report Bug Copy Issue Report The method `json` does only exist in `Illuminate\Contracts\Routing\ResponseFactory`, but not in `Illuminate\Http\Response`. 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...
57			} else {
58			throw new HttpException(401);
59			}
60			}
61
62			/**
63			* Return the valid authentication response.
64			*
65			* @param \Illuminate\Http\Request $request
66			* @param mixed $result
67			* @return mixed
68			*/
69			public function validAuthenticationResponse($request, $result)
70			{
71			return $result;
72			}
73
74			/**
75			* Broadcast the given event.
76			*
77			* @param array $channels
78			* @param string $event
79			* @param array $payload
80			* @return void
81			*/
82			public function broadcast(array $channels, $event, array $payload = [])
83			{
84			$payload['event'] = $event;
85
86			$response = $this->centrifugo->broadcast($this->formatChannels($channels), $payload);
87
88			if (is_array($response) && ! isset($response['error'])) {
89			return;
90			}
91
92			throw new BroadcastException(
93			$response['error'] instanceof Exception ? $response['error']->getMessage() : $response['error']
94			);
95			}
96
97			/**
98			* Get client from request.
99			*
100			* @param \Illuminate\Http\Request $request
101			* @return string
102			*/
103			private function getClientFromRequest($request)
104			{
105			return $request->get('client', '');
106			}
107
108			/**
109			* Get channels from request.
110			*
111			* @param \Illuminate\Http\Request $request
112			* @return array
113			*/
114			private function getChannelsFromRequest($request)
115			{
116			$channels = $request->get('channels', []);
117
118			return is_array($channels) ? $channels : [$channels];
119			}
120
121			/**
122			* Get channel name without $ symbol (if present).
123			*
124			* @param string $channel
125			* @return string
126			*/
127			private function getChannelName(string $channel)
128			{
129			return (substr($channel, 0, 1) === '$') ? substr($channel, 1) : $channel;
130			}
131
132			/**
133			* Make response for client, based on access rights.
134			*
135			* @param bool $access_granted
136			* @param string $client
137			* @return array
138			*/
139			private function makeResponseForClient(bool $access_granted, string $client)
140			{
141			$info = [];
142
143			return $access_granted ? [
144			'sign' => $this->centrifugo->generateConnectionToken($client, 0, $info),
145			'info' => $info,
146			] : [
147			'status' => 403,
148			];
149			}
150			}
151

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CentrifugoBroadcaster::__construct() A

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