Issues in ObservableBunny.php (master) - Issues in master - WyriHaximus/reactphp-observable-bunny - Measure and Improve Code Quality continuously with Scrutinizer

Issues (11)

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Cross-Site Scripting

Cross-Site Scripting enables an attacker to inject code into the response of a web-request that is viewed by other users. It can for example be used to bypass access controls, or even to take over other users' accounts.

File Exposure

File Exposure allows an attacker to gain access to local files that he should not be able to access. These files can for example include database credentials, or other configuration files.

File Manipulation

File Manipulation enables an attacker to write custom data to files. This potentially leads to injection of arbitrary code on the server.

Object Injection

Object Injection enables an attacker to inject an object into PHP code, and can lead to arbitrary code execution, file exposure, or file manipulation attacks.

Code Injection

Code Injection enables an attacker to execute arbitrary code on the server.

Response Splitting

Response Splitting can be used to send arbitrary responses.

File Inclusion

File Inclusion enables an attacker to inject custom files into PHP's file loading mechanism, either explicitly passed to include, or for example via PHP's auto-loading mechanism.

Command Injection

Command Injection enables an attacker to inject a shell command that is execute with the privileges of the web-server. This can be used to expose sensitive data, or gain access of your server.

SQL Injection

SQL Injection enables an attacker to execute arbitrary SQL code on your database server gaining access to user data, or manipulating user data.

XPath Injection

XPath Injection enables an attacker to modify the parts of XML document that are read. If that XML document is for example used for authentication, this can lead to further vulnerabilities similar to SQL Injection.

LDAP Injection

LDAP Injection enables an attacker to inject LDAP statements potentially granting permission to run unauthorized queries, or modify content inside the LDAP tree.

Header Injection

Other Vulnerability

This category comprises other attack vectors such as manipulating the PHP runtime, loading custom extensions, freezing the runtime, or similar.

Regex Injection

Regex Injection enables an attacker to execute arbitrary code in your PHP process.

XML Injection

XML Injection enables an attacker to read files on your local filesystem including configuration files, or can be abused to freeze your web-server process.

Variable Injection

Variable Injection enables an attacker to overwrite program variables with custom data, and can lead to further vulnerabilities.

Unfortunately, the security analysis is currently not available for your project. If you are a non-commercial open-source project, please contact support to gain access.

src/ObservableBunny.php (11 issues)

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<?php declare(strict_types=1);

namespace WyriHaximus\React\ObservableBunny;

use Bunny\Async\Client;
use Bunny\Channel;
use Bunny\Message as BunnyMessage;
use Bunny\Protocol\MethodBasicConsumeOkFrame;
use React\EventLoop\LoopInterface;
use React\EventLoop\TimerInterface;
use React\Promise\PromiseInterface;
use Rx\Subject\Subject;
use Throwable;

final class ObservableBunny
{
    /**
     * @var LoopInterface
     */
    private $loop;

    /**
     * @var Client
     */
    private $bunny;

    /**
     * @var float
     */
    private $checkInterval;

    /**
     * @param LoopInterface $loop
     * @param Client        $bunny
     * @param float         $checkInterval
     */
    public function __construct(LoopInterface $loop, Client $bunny, float $checkInterval = 1.0)
    {
        $this->loop = $loop;
        $this->bunny = $bunny;
        $this->checkInterval = $checkInterval;
    }

    public function consume(
        string $queue = '',
        array $qos = [],
        string $consumerTag = '',
        bool $noLocal = false,
        bool $noAck = false,
        bool $exclusive = false,
        bool $nowait = false,
        array $arguments = []
    ): Subject {
        $subject = new Subject();
        $consumeArgs = [$queue, $consumerTag, $noLocal, $noAck, $exclusive, $nowait, $arguments];

        $channel = $this->bunny->channel();
        $channel->then(function (Channel $channel) use ($qos) {
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.
    $x->bar(); // This method only exists in B and might cause an error.
}
            if (count($qos) === 0) {
                return $channel;
            }

            return $channel->qos(...$qos)->then(function () use ($channel) {
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
                return $channel;
            });
        })->then(function (Channel $channel) use ($subject, $consumeArgs) {
            /** @var string $consumerTag */
            $consumerTag = null;
            $timer = $this->loop->addPeriodicTimer($this->checkInterval, function () use ($channel, $subject, &$timer, &$consumerTag) {
                if (!$subject->isDisposed()) {
                    return;
                }

                $this->cancelSubscription(
interface User
{
    /** @return string */
    public function getPassword();
}

class MyUser implements User
{
    public function getPassword()
    {
        // return something
    }

    public function getDisplayName()
    {
        // return some name.
    }
}

class AuthSystem
{
    public function authenticate(User $user)
    {
        $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName()));
        // do something.
    }
}
                    $timer,
                    $channel,
                    $consumerTag
                )->done([$subject, 'onComplete'], $this->onError($subject, $timer));
            });
            $channel->consume(
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.
}
                function (BunnyMessage $message, Channel $channel) use ($subject, &$timer, &$consumerTag) {
                    if ($subject->isDisposed()) {
                        $channel->nack($message);
                        $this->cancelSubscription(
interface User
{
    /** @return string */
    public function getPassword();
}

class MyUser implements User
{
    public function getPassword()
    {
        // return something
    }

    public function getDisplayName()
    {
        // return some name.
    }
}

class AuthSystem
{
    public function authenticate(User $user)
    {
        $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName()));
        // do something.
    }
}
                            $timer,
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
                            $channel,
                            $consumerTag
                        )->done([$subject, 'onComplete'], $this->onError($subject, $timer));
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);

                        return;
                    }

                    $subject->onNext(new Message($message, $channel));
                },
                ...$consumeArgs
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
            )->then(function (MethodBasicConsumeOkFrame $response) use (&$consumerTag) {
                $consumerTag = $response->consumerTag;
            })->done(null, $this->onError($subject, $timer));
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
        })->done(null, [$subject, 'onError']);

        return $subject;
    }

    private function cancelSubscription(TimerInterface $timer, Channel $channel, string $consumerTag): PromiseInterface
    {
        $this->loop->cancelTimer($timer);

        return $channel->cancel($consumerTag)->then(function () use ($channel) {
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 $channel->close();
        });
    }

    private function onError(Subject $subject, TimerInterface $timer): callable
    {
        return function (Throwable $et) use ($subject, $timer) {
            $this->loop->cancelTimer($timer);
            $subject->onError($et);
        };
    }
}


1		<?php declare(strict_types=1);
2
3		namespace WyriHaximus\React\ObservableBunny;
4
5		use Bunny\Async\Client;
6		use Bunny\Channel;
7		use Bunny\Message as BunnyMessage;
8		use Bunny\Protocol\MethodBasicConsumeOkFrame;
9		use React\EventLoop\LoopInterface;
10		use React\EventLoop\TimerInterface;
11		use React\Promise\PromiseInterface;
12		use Rx\Subject\Subject;
13		use Throwable;
14
15		final class ObservableBunny
16		{
17		/**
18		* @var LoopInterface
19		*/
20		private $loop;
21
22		/**
23		* @var Client
24		*/
25		private $bunny;
26
27		/**
28		* @var float
29		*/
30		private $checkInterval;
31
32		/**
33		* @param LoopInterface $loop
34		* @param Client $bunny
35		* @param float $checkInterval
36		*/
37	4	public function __construct(LoopInterface $loop, Client $bunny, float $checkInterval = 1.0)
38		{
39	4	$this->loop = $loop;
40	4	$this->bunny = $bunny;
41	4	$this->checkInterval = $checkInterval;
42	4	}
43
44	4	public function consume(
45		string $queue = '',
46		array $qos = [],
47		string $consumerTag = '',
48		bool $noLocal = false,
49		bool $noAck = false,
50		bool $exclusive = false,
51		bool $nowait = false,
52		array $arguments = []
53		): Subject {
54	4	$subject = new Subject();
55	4	$consumeArgs = [$queue, $consumerTag, $noLocal, $noAck, $exclusive, $nowait, $arguments];
56
57	4	$channel = $this->bunny->channel();
58	3	$channel->then(function (Channel $channel) use ($qos) {
		0 ignored issues – show Bug introduced 2018-02-17 20:20 UTC by Report Bug Copy Issue Report Show Similar Issues like this The method `then` does only exist in `React\Promise\PromiseInterface`, but not in `Bunny\Channel`. 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 $x) { /* ... */ } Loading history...
59	3	if (count($qos) === 0) {
60	2	return $channel;
61		}
62
63	1	return $channel->qos(...$qos)->then(function () use ($channel) {
		0 ignored issues – show Documentation introduced 2018-02-17 20:20 UTC by Report Bug Copy Issue Report Show Similar Issues like this `$qos` is of type `array`, but the function expects a `integer`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history... Bug introduced 2018-02-17 20:20 UTC by Report Bug Copy Issue Report Show Similar Issues like this The method `then` does only exist in `React\Promise\PromiseInterface`, but not in `Bunny\Protocol\MethodBasicQosOkFrame`. 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...
64	1	return $channel;
65	1	});
66		})->then(function (Channel $channel) use ($subject, $consumeArgs) {
67		/** @var string $consumerTag */
68	3	$consumerTag = null;
69	3	$timer = $this->loop->addPeriodicTimer($this->checkInterval, function () use ($channel, $subject, &$timer, &$consumerTag) {
70	1	if (!$subject->isDisposed()) {
71	1	return;
72		}
73
74	1	$this->cancelSubscription(
		0 ignored issues – show Bug introduced 2018-02-15 21:08 UTC by Report Bug Copy Issue Report Show Similar Issues like this It seems like you code against a concrete implementation and not the interface `React\Promise\PromiseInterface` as the method `done()` does only exist in the following implementations of said interface: `React\Promise\FulfilledPromise`, `React\Promise\LazyPromise`, `React\Promise\Promise`, `React\Promise\RejectedPromise`. Let’s take a look at an example: interface User { /** @return string / public function getPassword(); } class MyUser implements User { public function getPassword() { // return something } public function getDisplayName() { // return some name. } } class AuthSystem { public function authenticate(User $user) { $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName())); // do something. } } In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different implementation of User which does not have a getDisplayName() method, the code will break. Available Fixes Change the type-hint for the parameter: class AuthSystem { public function authenticate(MyUser $user) { / ... / } } Add an additional type-check: class AuthSystem { public function authenticate(User $user) { if ($user instanceof MyUser) { $this->logger->info(/* ... /); } // or alternatively if ( ! $user instanceof MyUser) { throw new \LogicException( '$user must be an instance of MyUser, ' .'other instances are not supported.' ); } } } Note:* PHP Analyzer uses reverse abstract interpretation to narrow down the types inside the if block in such a case. Add the method to the interface: interface User { /** @return string / public function getPassword(); /* @return string */ public function getDisplayName(); } Loading history...
75	1	$timer,
76	1	$channel,
77	1	$consumerTag
78	1	)->done([$subject, 'onComplete'], $this->onError($subject, $timer));
79	3	});
80	3	$channel->consume(
		0 ignored issues – show Bug introduced 2018-02-14 22:29 UTC by Report Bug Copy Issue Report Show Similar Issues like this The method `then` does only exist in `React\Promise\PromiseInterface`, but not in `Bunny\Protocol\MethodBasicConsumeOkFrame`. 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...
81	3	function (BunnyMessage $message, Channel $channel) use ($subject, &$timer, &$consumerTag) {
82	2	if ($subject->isDisposed()) {
83	1	$channel->nack($message);
84	1	$this->cancelSubscription(
		0 ignored issues – show Bug introduced 2018-02-15 21:08 UTC by Report Bug Copy Issue Report Show Similar Issues like this It seems like you code against a concrete implementation and not the interface `React\Promise\PromiseInterface` as the method `done()` does only exist in the following implementations of said interface: `React\Promise\FulfilledPromise`, `React\Promise\LazyPromise`, `React\Promise\Promise`, `React\Promise\RejectedPromise`. Let’s take a look at an example: interface User { /** @return string / public function getPassword(); } class MyUser implements User { public function getPassword() { // return something } public function getDisplayName() { // return some name. } } class AuthSystem { public function authenticate(User $user) { $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName())); // do something. } } In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different implementation of User which does not have a getDisplayName() method, the code will break. Available Fixes Change the type-hint for the parameter: class AuthSystem { public function authenticate(MyUser $user) { / ... / } } Add an additional type-check: class AuthSystem { public function authenticate(User $user) { if ($user instanceof MyUser) { $this->logger->info(/* ... /); } // or alternatively if ( ! $user instanceof MyUser) { throw new \LogicException( '$user must be an instance of MyUser, ' .'other instances are not supported.' ); } } } Note:* PHP Analyzer uses reverse abstract interpretation to narrow down the types inside the if block in such a case. Add the method to the interface: interface User { /** @return string / public function getPassword(); /* @return string */ public function getDisplayName(); } Loading history...
85	1	$timer,
		0 ignored issues – show Documentation introduced 2018-04-07 13:15 UTC by Report Bug Copy Issue Report Show Similar Issues like this `$timer` is of type `object<React\EventLoop\Timer\TimerInterface>`, but the function expects a `object<React\EventLoop\TimerInterface>`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
86	1	$channel,
87	1	$consumerTag
88	1	)->done([$subject, 'onComplete'], $this->onError($subject, $timer));
		0 ignored issues – show Documentation introduced 2018-04-07 13:15 UTC by Report Bug Copy Issue Report Show Similar Issues like this `$timer` is of type `object<React\EventLoop\Timer\TimerInterface>`, but the function expects a `object<React\EventLoop\TimerInterface>`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
89
90	1	return;
91		}
92
93	1	$subject->onNext(new Message($message, $channel));
94	3	},
95	3	...$consumeArgs
		0 ignored issues – show Documentation introduced 2018-02-14 22:29 UTC by Report Bug Copy Issue Report Show Similar Issues like this `$consumeArgs` is of type `array<integer,string\|boo..."boolean","6":"array"}>`, but the function expects a `string`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
96	3	)->then(function (MethodBasicConsumeOkFrame $response) use (&$consumerTag) {
97	2	$consumerTag = $response->consumerTag;
98	3	})->done(null, $this->onError($subject, $timer));
		0 ignored issues – show Documentation introduced 2018-04-07 13:15 UTC by Report Bug Copy Issue Report Show Similar Issues like this `$timer` is of type `object<React\EventLoop\Timer\TimerInterface>`, but the function expects a `object<React\EventLoop\TimerInterface>`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
99	4	})->done(null, [$subject, 'onError']);
100
101	4	return $subject;
102		}
103
104	2	private function cancelSubscription(TimerInterface $timer, Channel $channel, string $consumerTag): PromiseInterface
105		{
106	2	$this->loop->cancelTimer($timer);
107
108	2	return $channel->cancel($consumerTag)->then(function () use ($channel) {
		0 ignored issues – show Bug introduced 2018-02-15 21:08 UTC by Report Bug Copy Issue Report Show Similar Issues like this The method `then` does only exist in `React\Promise\PromiseInterface`, but not in `Bunny\Protocol\MethodBasicCancelOkFrame`. 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...
109	2	return $channel->close();
110	2	});
111		}
112
113		private function onError(Subject $subject, TimerInterface $timer): callable
114		{
115	3	return function (Throwable $et) use ($subject, $timer) {
116	1	$this->loop->cancelTimer($timer);
117	1	$subject->onError($et);
118	3	};
119		}
120		}
121

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src/ObservableBunny.php (11 issues)

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