HaveIBeenPwned::getMin() - Code Metrics - Inspection of "Monkey patch namespace instead of using Patchwork" - Stadly/PasswordPolice - Measure and Improve Code Quality continuously with Scrutinizer

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by Magnar Ovedal

created 2018-11-28 08:18 UTC

HaveIBeenPwned::getMin() A

↳ Parent: HaveIBeenPwned

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	1
nc	1
nop	0
dl	0
loc	3
ccs	2
cts	2
cp	1
crap	1
rs	10
c	0
b	0
f	0

<?php

declare(strict_types=1);

namespace Stadly\PasswordPolice\Rule;

use Http\Discovery\Exception\NotFoundException;
use Http\Discovery\HttpClientDiscovery;
use Http\Factory\Discovery\HttpFactory;
use InvalidArgumentException;
use Psr\Http\Client\ClientExceptionInterface;
use Psr\Http\Client\ClientInterface;
use Psr\Http\Message\RequestFactoryInterface;
use RuntimeException;
use Stadly\PasswordPolice\Policy;

final class HaveIBeenPwned implements RuleInterface
{
    /**
     * @var int Minimum number of times the password can appear in breaches.
     */
    private $min;

    /**
     * @var int|null Maximum number of times the password can appear in breaches.
     */
    private $max;

    /**
     * @var ClientInterface|null HTTP client for sending requests.
     */
    private $client;

    /**
     * @var RequestFactoryInterface|null Request factory for generating HTTP requests.
     */
    private $requestFactory;

    /**
     * @param int $min Minimum number of times the password can appear in breaches.
     * @param int|null $max Maximum number of times the password can appear in breaches.
     */
    public function __construct(int $min = 0, ?int $max = 0)
    {
        if ($min < 0) {
            throw new InvalidArgumentException('Min cannot be negative.');
        }
        if ($max !== null && $max < $min) {
            throw new InvalidArgumentException('Max cannot be smaller than min.');
        }
        if ($min === 0 && $max === null) {
            throw new InvalidArgumentException('Min cannot be zero when max is unconstrained.');
        }

        $this->min = $min;
        $this->max = $max;
    }

    /**
     * @param ClientInterface $client HTTP client for sending requests.
     */
    public function setClient(ClientInterface $client): void
    {
        $this->client = $client;
    }

    /**
     * @return ClientInterface HTTP client for sending requests.
     * @throws RuntimeException If a client could not be found.
     */
    private function getClient(): ClientInterface
    {
        if (null === $this->client) {
            $this->client = HttpClientDiscovery::find();
        }
        return $this->client;
    }

    /**
     * @param RequestFactoryInterface $requestFactory Request factory for generating HTTP requests.
     */
    public function setRequestFactory(RequestFactoryInterface $requestFactory): void
    {
        $this->requestFactory = $requestFactory;
    }

    /**
     * @return RequestFactoryInterface Request factory for generating HTTP requests.
     * @throws RuntimeException If a request factory could not be found.
     */
    private function getRequestFactory(): RequestFactoryInterface
    {
        if (null === $this->requestFactory) {
            $this->requestFactory = HttpFactory::requestFactory();
        }
        return $this->requestFactory;
    }

    /**
     * @return int Minimum number of times the password can appear in breaches.
     */
    public function getMin(): int
    {
        return $this->min;
    }

    /**
     * @return int|null Maximum number of times the password can appear in breaches.
     */
    public function getMax(): ?int
    {
        return $this->max;
    }

    /**
     * {@inheritDoc}
     */
    public function test(string $password): bool
    {
        $count = $this->getCount($password);

        if ($count < $this->min) {
            return false;
        }

        if (null !== $this->max && $this->max < $count) {
            return false;
        }

        return true;
    }

    /**
     * {@inheritDoc}
     */
    public function enforce(string $password): void
    {
        if (!$this->test($password)) {
            throw new RuleException($this, $this->getMessage());
        }
    }

    /**
     * {@inheritDoc}
     */
    public function getMessage(): string
    {
        $translator = Policy::getTranslator();

        if ($this->getMax() === null) {
            return $translator->transChoice(
                'Must appear at least once in breaches.|'.
                'Must appear at least %count% times in breaches.',
                $this->getMin()
            );
        }

        if ($this->getMax() === 0) {
            return $translator->trans(
                'Must not appear in any breaches.'
            );
        }

        if ($this->getMin() === 0) {
            return $translator->transChoice(
                'Must appear at most once in breaches.|'.
                'Must appear at most %count% times in breaches.',
                $this->getMax()
            );
        }

        if ($this->getMin() === $this->getMax()) {
            return $translator->transChoice(
                'Must appear exactly once in breaches.|'.
                'Must appear exactly %count% times in breaches.',
                $this->getMin()
            );
        }

        return $translator->trans(
            'Must appear between %min% and %max% times in breaches.',
            ['%min%' => $this->getMin(), '%max%' => $this->getMax()]
        );
    }

    /**
     * @param string $password Password to check in breaches.
     * @return int Number of times the password appears in breaches.
     * @throws TestException If an error occurred while using the Have I Been Pwned? service.
     */
    private function getCount(string $password): int
    {
        $sha1 = strtoupper(sha1($password));
        $prefix = substr($sha1, 0, 5);
        $suffix = substr($sha1, 5, 35);

        try {
            $requestFactory = $this->getRequestFactory();
            $request = $requestFactory->createRequest('GET', 'https://api.pwnedpasswords.com/range/'.$prefix);

            $client = $this->getClient();

            $response = $client->sendRequest($request);
            $body = $response->getBody();
            $contents = $body->getContents();
            $lines = explode("\r\n", $contents);
            foreach ($lines as $line) {
                if (substr($line, 0, 35) === $suffix) {
                    return (int)substr($line, 36);
                }
            }
            return 0;
        } catch (ClientExceptionInterface | RuntimeException $exception) {
            throw new TestException($this, 'An error occurred while using the Have I Been Pwned? service.', $exception);
        }
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Stadly\PasswordPolice\Rule;
6
7		use Http\Discovery\Exception\NotFoundException;
8		use Http\Discovery\HttpClientDiscovery;
9		use Http\Factory\Discovery\HttpFactory;
10		use InvalidArgumentException;
11		use Psr\Http\Client\ClientExceptionInterface;
12		use Psr\Http\Client\ClientInterface;
13		use Psr\Http\Message\RequestFactoryInterface;
14		use RuntimeException;
15		use Stadly\PasswordPolice\Policy;
16
17		final class HaveIBeenPwned implements RuleInterface
18		{
19		/**
20		* @var int Minimum number of times the password can appear in breaches.
21		*/
22		private $min;
23
24		/**
25		* @var int\|null Maximum number of times the password can appear in breaches.
26		*/
27		private $max;
28
29		/**
30		* @var ClientInterface\|null HTTP client for sending requests.
31		*/
32		private $client;
33
34		/**
35		* @var RequestFactoryInterface\|null Request factory for generating HTTP requests.
36		*/
37		private $requestFactory;
38
39		/**
40		* @param int $min Minimum number of times the password can appear in breaches.
41		* @param int\|null $max Maximum number of times the password can appear in breaches.
42		*/
43	7	public function __construct(int $min = 0, ?int $max = 0)
44		{
45	7	if ($min < 0) {
46	1	throw new InvalidArgumentException('Min cannot be negative.');
47		}
48	6	if ($max !== null && $max < $min) {
49	1	throw new InvalidArgumentException('Max cannot be smaller than min.');
50		}
51	5	if ($min === 0 && $max === null) {
52	1	throw new InvalidArgumentException('Min cannot be zero when max is unconstrained.');
53		}
54
55	4	$this->min = $min;
56	4	$this->max = $max;
57	4	}
58
59		/**
60		* @param ClientInterface $client HTTP client for sending requests.
61		*/
62	1	public function setClient(ClientInterface $client): void
63		{
64	1	$this->client = $client;
65	1	}
66
67		/**
68		* @return ClientInterface HTTP client for sending requests.
69		* @throws RuntimeException If a client could not be found.
70		*/
71	10	private function getClient(): ClientInterface
72		{
73	10	if (null === $this->client) {
74	8	$this->client = HttpClientDiscovery::find();
75		}
76	9	return $this->client;
77		}
78
79		/**
80		* @param RequestFactoryInterface $requestFactory Request factory for generating HTTP requests.
81		*/
82	1	public function setRequestFactory(RequestFactoryInterface $requestFactory): void
83		{
84	1	$this->requestFactory = $requestFactory;
85	1	}
86
87		/**
88		* @return RequestFactoryInterface Request factory for generating HTTP requests.
89		* @throws RuntimeException If a request factory could not be found.
90		*/
91	11	private function getRequestFactory(): RequestFactoryInterface
92		{
93	11	if (null === $this->requestFactory) {
94	10	$this->requestFactory = HttpFactory::requestFactory();
95		}
96	10	return $this->requestFactory;
97		}
98
99		/**
100		* @return int Minimum number of times the password can appear in breaches.
101		*/
102	1	public function getMin(): int
103		{
104	1	return $this->min;
105		}
106
107		/**
108		* @return int\|null Maximum number of times the password can appear in breaches.
109		*/
110	1	public function getMax(): ?int
111		{
112	1	return $this->max;
113		}
114
115		/**
116		* {@inheritDoc}
117		*/
118	9	public function test(string $password): bool
119		{
120	9	$count = $this->getCount($password);
121
122	6	if ($count < $this->min) {
123	2	return false;
124		}
125
126	4	if (null !== $this->max && $this->max < $count) {
127	1	return false;
128		}
129
130	3	return true;
131		}
132
133		/**
134		* {@inheritDoc}
135		*/
136	2	public function enforce(string $password): void
137		{
138	2	if (!$this->test($password)) {
139	1	throw new RuleException($this, $this->getMessage());
140		}
141	1	}
142
143		/**
144		* {@inheritDoc}
145		*/
146	5	public function getMessage(): string
147		{
148	5	$translator = Policy::getTranslator();
149
150	5	if ($this->getMax() === null) {
151	1	return $translator->transChoice(
152		'Must appear at least once in breaches.\|'.
153	1	'Must appear at least %count% times in breaches.',
154	1	$this->getMin()
155		);
156		}
157
158	4	if ($this->getMax() === 0) {
159	1	return $translator->trans(
160	1	'Must not appear in any breaches.'
161		);
162		}
163
164	3	if ($this->getMin() === 0) {
165	1	return $translator->transChoice(
166		'Must appear at most once in breaches.\|'.
167	1	'Must appear at most %count% times in breaches.',
168	1	$this->getMax()
169		);
170		}
171
172	2	if ($this->getMin() === $this->getMax()) {
173	1	return $translator->transChoice(
174		'Must appear exactly once in breaches.\|'.
175	1	'Must appear exactly %count% times in breaches.',
176	1	$this->getMin()
177		);
178		}
179
180	1	return $translator->trans(
181	1	'Must appear between %min% and %max% times in breaches.',
182	1	['%min%' => $this->getMin(), '%max%' => $this->getMax()]
183		);
184		}
185
186		/**
187		* @param string $password Password to check in breaches.
188		* @return int Number of times the password appears in breaches.
189		* @throws TestException If an error occurred while using the Have I Been Pwned? service.
190		*/
191	11	private function getCount(string $password): int
192		{
193	11	$sha1 = strtoupper(sha1($password));
194	11	$prefix = substr($sha1, 0, 5);
195	11	$suffix = substr($sha1, 5, 35);
196
197		try {
198	11	$requestFactory = $this->getRequestFactory();
199	10	$request = $requestFactory->createRequest('GET', 'https://api.pwnedpasswords.com/range/'.$prefix);
200
201	10	$client = $this->getClient();
202
203	9	$response = $client->sendRequest($request);
204	8	$body = $response->getBody();
205	8	$contents = $body->getContents();
206	8	$lines = explode("\r\n", $contents);
207	8	foreach ($lines as $line) {
208	8	if (substr($line, 0, 35) === $suffix) {
209	8	return (int)substr($line, 36);
210		}
211		}
212	2	return 0;
213	3	} catch (ClientExceptionInterface \| RuntimeException $exception) {
214	3	throw new TestException($this, 'An error occurred while using the Have I Been Pwned? service.', $exception);
215		}
216		}
217		}
218

Stadly / PasswordPolice

Push — master ( 75c423...21d06b )

HaveIBeenPwned::getMin() A

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