UriSigner::buildUrl() - Code Metrics - itstructure/yii2-template-simple - Measure and Improve Code Quality continuously with Scrutinizer

UriSigner::buildUrl() F
last analyzed 2025-10-20 11:56 UTC

↳ Parent: UriSigner

Complexity

Conditions	12
Paths	2048

Size

Total Lines	16
Code Lines	12

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	12
eloc	12
c	0
b	0
f	0
nc	2048
nop	2
dl	0
loc	16
rs	2.8

How to fix Complexity

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\HttpKernel;

/**
 * Signs URIs.
 *
 * @author Fabien Potencier <[email protected]>
 */
class UriSigner
{
    private $secret;

    /**
     * Constructor.
     *
     * @param string $secret A secret
     */
    public function __construct($secret)
    {
        $this->secret = $secret;
    }

    /**
     * Signs a URI.
     *
     * The given URI is signed by adding a _hash query string parameter
     * which value depends on the URI and the secret.
     *
     * @param string $uri A URI to sign
     *
     * @return string The signed URI
     */
    public function sign($uri)
    {
        $url = parse_url($uri);
        if (isset($url['query'])) {
            parse_str($url['query'], $params);
        } else {
            $params = array();
        }

        $uri = $this->buildUrl($url, $params);

        return $uri.(false === strpos($uri, '?') ? '?' : '&').'_hash='.$this->computeHash($uri);
    }

    /**
     * Checks that a URI contains the correct hash.
     *
     * The _hash query string parameter must be the last one
     * (as it is generated that way by the sign() method, it should
     * never be a problem).
     *
     * @param string $uri A signed URI
     *
     * @return bool True if the URI is signed correctly, false otherwise
     */
    public function check($uri)
    {
        $url = parse_url($uri);
        if (isset($url['query'])) {
            parse_str($url['query'], $params);
        } else {
            $params = array();
        }

        if (empty($params['_hash'])) {
            return false;
        }

        $hash = urlencode($params['_hash']);
        unset($params['_hash']);

        return $this->computeHash($this->buildUrl($url, $params)) === $hash;
    }

    private function computeHash($uri)
    {
        return urlencode(base64_encode(hash_hmac('sha256', $uri, $this->secret, true)));
    }

    private function buildUrl(array $url, array $params = array())
    {
        ksort($params, SORT_STRING);
        $url['query'] = http_build_query($params, '', '&');

        $scheme = isset($url['scheme']) ? $url['scheme'].'://' : '';
        $host = isset($url['host']) ? $url['host'] : '';
        $port = isset($url['port']) ? ':'.$url['port'] : '';
        $user = isset($url['user']) ? $url['user'] : '';
        $pass = isset($url['pass']) ? ':'.$url['pass'] : '';
        $pass = ($user || $pass) ? "$pass@" : '';
        $path = isset($url['path']) ? $url['path'] : '';
        $query = isset($url['query']) && $url['query'] ? '?'.$url['query'] : '';
        $fragment = isset($url['fragment']) ? '#'.$url['fragment'] : '';

        return $scheme.$user.$pass.$host.$port.$path.$query.$fragment;
    }
}


1			<?php
2
3			/*
4			* This file is part of the Symfony package.
5			*
6			* (c) Fabien Potencier <[email protected]>
7			*
8			* For the full copyright and license information, please view the LICENSE
9			* file that was distributed with this source code.
10			*/
11
12			namespace Symfony\Component\HttpKernel;
13
14			/**
15			* Signs URIs.
16			*
17			* @author Fabien Potencier <[email protected]>
18			*/
19			class UriSigner
20			{
21			private $secret;
22
23			/**
24			* Constructor.
25			*
26			* @param string $secret A secret
27			*/
28			public function __construct($secret)
29			{
30			$this->secret = $secret;
31			}
32
33			/**
34			* Signs a URI.
35			*
36			* The given URI is signed by adding a _hash query string parameter
37			* which value depends on the URI and the secret.
38			*
39			* @param string $uri A URI to sign
40			*
41			* @return string The signed URI
42			*/
43			public function sign($uri)
44			{
45			$url = parse_url($uri);
46			if (isset($url['query'])) {
47			parse_str($url['query'], $params);
48			} else {
49			$params = array();
50			}
51
52			$uri = $this->buildUrl($url, $params);
53
54			return $uri.(false === strpos($uri, '?') ? '?' : '&').'_hash='.$this->computeHash($uri);
55			}
56
57			/**
58			* Checks that a URI contains the correct hash.
59			*
60			* The _hash query string parameter must be the last one
61			* (as it is generated that way by the sign() method, it should
62			* never be a problem).
63			*
64			* @param string $uri A signed URI
65			*
66			* @return bool True if the URI is signed correctly, false otherwise
67			*/
68			public function check($uri)
69			{
70			$url = parse_url($uri);
71			if (isset($url['query'])) {
72			parse_str($url['query'], $params);
73			} else {
74			$params = array();
75			}
76
77			if (empty($params['_hash'])) {
78			return false;
79			}
80
81			$hash = urlencode($params['_hash']);
82			unset($params['_hash']);
83
84			return $this->computeHash($this->buildUrl($url, $params)) === $hash;
85			}
86
87			private function computeHash($uri)
88			{
89			return urlencode(base64_encode(hash_hmac('sha256', $uri, $this->secret, true)));
90			}
91
92			private function buildUrl(array $url, array $params = array())
93			{
94			ksort($params, SORT_STRING);
95			$url['query'] = http_build_query($params, '', '&');
96
97			$scheme = isset($url['scheme']) ? $url['scheme'].'://' : '';
98			$host = isset($url['host']) ? $url['host'] : '';
99			$port = isset($url['port']) ? ':'.$url['port'] : '';
100			$user = isset($url['user']) ? $url['user'] : '';
101			$pass = isset($url['pass']) ? ':'.$url['pass'] : '';
102			$pass = ($user \|\| $pass) ? "$pass@" : '';
103			$path = isset($url['path']) ? $url['path'] : '';
104			$query = isset($url['query']) && $url['query'] ? '?'.$url['query'] : '';
105			$fragment = isset($url['fragment']) ? '#'.$url['fragment'] : '';
106
107			return $scheme.$user.$pass.$host.$port.$path.$query.$fragment;
108			}
109			}
110

itstructure / yii2-template-simple

UriSigner::buildUrl() F last analyzed 2025-10-20 11:56 UTC

Complexity

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Duplication

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UriSigner::buildUrl() F
last analyzed 2025-10-20 11:56 UTC