URLParser::isHostValid() - Code Metrics - VIPnytt/CleanParam-URL-filter - Measure and Improve Code Quality continuously with Scrutinizer

URLParser::isHostValid() A
last analyzed 2016-04-06 18:16 UTC

↳ Parent: URLParser

Complexity

Conditions	4
Paths	4

Size

Total Lines	8
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	1	Features	0

Metric	Value
c	2
b	1
f	0
dl	0
loc	8
rs	9.2
cc	4
eloc	6
nc	4
nop	0

<?php
/**
 * URL parser
 *
 * @author Jan-Petter Gundersen ([email protected])
 */

namespace vipnytt\CleanParamFilter;

final class URLParser
{
    private $url;

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

    /**
     * Validate URL
     *
     * @return bool
     */
    public function isValid()
    {
        $this->encode();
        return (
            filter_var($this->url, FILTER_VALIDATE_URL)
            && parse_url($this->url) !== false
            && $this->isHostValid()
            && $this->isSchemeValid()
        );
    }

    /**
     * URL encoder according to RFC 3986
     * Returns a string containing the encoded URL with disallowed characters converted to their percentage encodings.
     * @link http://publicmind.in/blog/url-encoding/
     *
     * @return string string
     */
    public function encode()
    {
        $reserved = [
            ":" => '!%3A!ui',
            "/" => '!%2F!ui',
            "?" => '!%3F!ui',
            "#" => '!%23!ui',
            "[" => '!%5B!ui',
            "]" => '!%5D!ui',
            "@" => '!%40!ui',
            "!" => '!%21!ui',
            "$" => '!%24!ui',
            "&" => '!%26!ui',
            "'" => '!%27!ui',
            "(" => '!%28!ui',
            ")" => '!%29!ui',
            "*" => '!%2A!ui',
            "+" => '!%2B!ui',
            "," => '!%2C!ui',
            ";" => '!%3B!ui',
            "=" => '!%3D!ui',
            "%" => '!%25!ui'
        ];
        return $this->url = preg_replace(array_values($reserved), array_keys($reserved), rawurlencode($this->url));
    }

    /**
     * Validate host name
     *
     * @link http://stackoverflow.com/questions/1755144/how-to-validate-domain-name-in-php
     * @return bool
     */
    public function  isHostValid()
    {
        $host = parse_url($this->url, PHP_URL_HOST);
        return (preg_match("/^([a-z\d](-*[a-z\d])*)(\.([a-z\d](-*[a-z\d])*))*$/i", $host) //valid chars check
            && preg_match("/^.{1,253}$/", $host) //overall length check
            && preg_match("/^[^\.]{1,63}(\.[^\.]{1,63})*$/", $host) //length of each label
            && !filter_var($host, FILTER_VALIDATE_IP)); //is not an IP address
    }

    /**
     * Validate URL scheme
     *
     * @return bool
     */
    public function isSchemeValid()
    {
        return in_array(parse_url($this->url, PHP_URL_SCHEME), [
            'http', 'https',
            'ftp', 'sftp'
        ]);
    }
}


1			<?php
2			/**
3			* URL parser
4			*
5			* @author Jan-Petter Gundersen ([email protected])
6			*/
7
8			namespace vipnytt\CleanParamFilter;
9
10			final class URLParser
11			{
12			private $url;
13
14			/**
15			* Constructor
16			*
17			* @param string $url
18			*/
19			public function __construct($url)
20			{
21			$this->url = $url;
22			}
23
24			/**
25			* Validate URL
26			*
27			* @return bool
28			*/
29			public function isValid()
30			{
31			$this->encode();
32			return (
33			filter_var($this->url, FILTER_VALIDATE_URL)
34			&& parse_url($this->url) !== false
35			&& $this->isHostValid()
36			&& $this->isSchemeValid()
37			);
38			}
39
40			/**
41			* URL encoder according to RFC 3986
42			* Returns a string containing the encoded URL with disallowed characters converted to their percentage encodings.
43			* @link http://publicmind.in/blog/url-encoding/
44			*
45			* @return string string
46			*/
47			public function encode()
48			{
49			$reserved = [
50			":" => '!%3A!ui',
51			"/" => '!%2F!ui',
52			"?" => '!%3F!ui',
53			"#" => '!%23!ui',
54			"[" => '!%5B!ui',
55			"]" => '!%5D!ui',
56			"@" => '!%40!ui',
57			"!" => '!%21!ui',
58			"$" => '!%24!ui',
59			"&" => '!%26!ui',
60			"'" => '!%27!ui',
61			"(" => '!%28!ui',
62			")" => '!%29!ui',
63			"*" => '!%2A!ui',
64			"+" => '!%2B!ui',
65			"," => '!%2C!ui',
66			";" => '!%3B!ui',
67			"=" => '!%3D!ui',
68			"%" => '!%25!ui'
69			];
70			return $this->url = preg_replace(array_values($reserved), array_keys($reserved), rawurlencode($this->url));
71			}
72
73			/**
74			* Validate host name
75			*
76			* @link http://stackoverflow.com/questions/1755144/how-to-validate-domain-name-in-php
77			* @return bool
78			*/
79			public function isHostValid()
80			{
81			$host = parse_url($this->url, PHP_URL_HOST);
82			return (preg_match("/^([a-z\d](-[a-z\d]))(\.([a-z\d](-[a-z\d])))*$/i", $host) //valid chars check
83			&& preg_match("/^.{1,253}$/", $host) //overall length check
84			&& preg_match("/^[^\.]{1,63}(\.[^\.]{1,63})*$/", $host) //length of each label
85			&& !filter_var($host, FILTER_VALIDATE_IP)); //is not an IP address
86			}
87
88			/**
89			* Validate URL scheme
90			*
91			* @return bool
92			*/
93			public function isSchemeValid()
94			{
95			return in_array(parse_url($this->url, PHP_URL_SCHEME), [
96			'http', 'https',
97			'ftp', 'sftp'
98			]);
99			}
100			}
101

VIPnytt / CleanParam-URL-filter

URLParser::isHostValid() A last analyzed 2016-04-06 18:16 UTC

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URLParser::isHostValid() A
last analyzed 2016-04-06 18:16 UTC