/usr/share/php/Composer/Util/NoProxyPattern.php is in composer 1.6.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 | <?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Composer\Util;
/**
* Tests URLs against no_proxy patterns.
*/
class NoProxyPattern
{
/**
* @var string[]
*/
protected $rules = array();
/**
* @param string $pattern no_proxy pattern
*/
public function __construct($pattern)
{
$this->rules = preg_split("/[\s,]+/", $pattern);
}
/**
* Test a URL against the stored pattern.
*
* @param string $url
*
* @return true if the URL matches one of the rules.
*/
public function test($url)
{
$host = parse_url($url, PHP_URL_HOST);
$port = parse_url($url, PHP_URL_PORT);
if (empty($port)) {
switch (parse_url($url, PHP_URL_SCHEME)) {
case 'http':
$port = 80;
break;
case 'https':
$port = 443;
break;
}
}
foreach ($this->rules as $rule) {
if ($rule == '*') {
return true;
}
$match = false;
list($ruleHost) = explode(':', $rule);
list($base) = explode('/', $ruleHost);
if (filter_var($base, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
// ip or cidr match
if (!isset($ip)) {
$ip = gethostbyname($host);
}
if (strpos($ruleHost, '/') === false) {
$match = $ip === $ruleHost;
} else {
// gethostbyname() failed to resolve $host to an ip, so we assume
// it must be proxied to let the proxy's DNS resolve it
if ($ip === $host) {
$match = false;
} else {
// match resolved IP against the rule
$match = self::inCIDRBlock($ruleHost, $ip);
}
}
} else {
// match end of domain
$haystack = '.' . trim($host, '.') . '.';
$needle = '.'. trim($ruleHost, '.') .'.';
$match = stripos(strrev($haystack), strrev($needle)) === 0;
}
// final port check
if ($match && strpos($rule, ':') !== false) {
list(, $rulePort) = explode(':', $rule);
if (!empty($rulePort) && $port != $rulePort) {
$match = false;
}
}
if ($match) {
return true;
}
}
return false;
}
/**
* Check an IP address against a CIDR
*
* http://framework.zend.com/svn/framework/extras/incubator/library/ZendX/Whois/Adapter/Cidr.php
*
* @param string $cidr IPv4 block in CIDR notation
* @param string $ip IPv4 address
*
* @return bool
*/
private static function inCIDRBlock($cidr, $ip)
{
// Get the base and the bits from the CIDR
list($base, $bits) = explode('/', $cidr);
// Now split it up into it's classes
list($a, $b, $c, $d) = explode('.', $base);
// Now do some bit shifting/switching to convert to ints
$i = ($a << 24) + ($b << 16) + ($c << 8) + $d;
$mask = $bits == 0 ? 0 : (~0 << (32 - $bits));
// Here's our lowest int
$low = $i & $mask;
// Here's our highest int
$high = $i | (~$mask & 0xFFFFFFFF);
// Now split the ip we're checking against up into classes
list($a, $b, $c, $d) = explode('.', $ip);
// Now convert the ip we're checking against to an int
$check = ($a << 24) + ($b << 16) + ($c << 8) + $d;
// If the ip is within the range, including highest/lowest values,
// then it's within the CIDR range
return $check >= $low && $check <= $high;
}
}
|