WIBUHAX0R1337

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<?php
/**
 * SSL utilities for Requests
 *
 * @package Requests\Utilities
 */

namespace WpOrg\Requests;

use WpOrg\Requests\Exception\InvalidArgument;
use WpOrg\Requests\Utility\InputValidator;

/**
 * SSL utilities for Requests
 *
 * Collection of utilities for working with and verifying SSL certificates.
 *
 * @package Requests\Utilities
 */
final class Ssl {
	/**
	 * Verify the certificate against common name and subject alternative names
	 *
	 * Unfortunately, PHP doesn't check the certificate against the alternative
	 * names, leading things like 'https://www.github.com/' to be invalid.
	 *
	 * @link https://tools.ietf.org/html/rfc2818#section-3.1 RFC2818, Section 3.1
	 *
	 * @param string|Stringable $host Host name to verify against
	 * @param array $cert Certificate data from openssl_x509_parse()
	 * @return bool
	 * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed $host argument is not a string or a stringable object.
	 * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed $cert argument is not an array or array accessible.
	 */
	public static function verify_certificate($host, $cert) {
		if (InputValidator::is_string_or_stringable($host) === false) {
			throw InvalidArgument::create(1, '$host', 'string|Stringable', gettype($host));
		}

if (InputValidator::has_array_access($cert) === false) {
			throw InvalidArgument::create(2, '$cert', 'array|ArrayAccess', gettype($cert));
		}

$has_dns_alt = false;

// Check the subjectAltName
		if (!empty($cert['extensions']['subjectAltName'])) {
			$altnames = explode(',', $cert['extensions']['subjectAltName']);
			foreach ($altnames as $altname) {
				$altname = trim($altname);
				if (strpos($altname, 'DNS:') !== 0) {
					continue;
				}

$has_dns_alt = true;

// Strip the 'DNS:' prefix and trim whitespace
				$altname = trim(substr($altname, 4));

// Check for a match
				if (self::match_domain($host, $altname) === true) {
					return true;
				}
			}

if ($has_dns_alt === true) {
				return false;
			}
		}

// Fall back to checking the common name if we didn't get any dNSName
		// alt names, as per RFC2818
		if (!empty($cert['subject']['CN'])) {
			// Check for a match
			return (self::match_domain($host, $cert['subject']['CN']) === true);
		}

return false;
	}

/**
	 * Verify that a reference name is valid
	 *
	 * Verifies a dNSName for HTTPS usage, (almost) as per Firefox's rules:
	 * - Wildcards can only occur in a name with more than 3 components
	 * - Wildcards can only occur as the last character in the first
	 *   component
	 * - Wildcards may be preceded by additional characters
	 *
	 * We modify these rules to be a bit stricter and only allow the wildcard
	 * character to be the full first component; that is, with the exclusion of
	 * the third rule.
	 *
	 * @param string|Stringable $reference Reference dNSName
	 * @return boolean Is the name valid?
	 * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed argument is not a string or a stringable object.
	 */
	public static function verify_reference_name($reference) {
		if (InputValidator::is_string_or_stringable($reference) === false) {
			throw InvalidArgument::create(1, '$reference', 'string|Stringable', gettype($reference));
		}

if ($reference === '') {
			return false;
		}

if (preg_match('`\s`', $reference) > 0) {
			// Whitespace detected. This can never be a dNSName.
			return false;
		}

$parts = explode('.', $reference);
		if ($parts !== array_filter($parts)) {
			// DNSName cannot contain two dots next to each other.
			return false;
		}

// Check the first part of the name
		$first = array_shift($parts);

if (strpos($first, '*') !== false) {
			// Check that the wildcard is the full part
			if ($first !== '*') {
				return false;
			}

// Check that we have at least 3 components (including first)
			if (count($parts) < 2) {
				return false;
			}
		}

// Check the remaining parts
		foreach ($parts as $part) {
			if (strpos($part, '*') !== false) {
				return false;
			}
		}

// Nothing found, verified!
		return true;
	}

/**
	 * Match a hostname against a dNSName reference
	 *
	 * @param string|Stringable $host Requested host
	 * @param string|Stringable $reference dNSName to match against
	 * @return boolean Does the domain match?
	 * @throws \WpOrg\Requests\Exception\InvalidArgument When either of the passed arguments is not a string or a stringable object.
	 */
	public static function match_domain($host, $reference) {
		if (InputValidator::is_string_or_stringable($host) === false) {
			throw InvalidArgument::create(1, '$host', 'string|Stringable', gettype($host));
		}

// Check if the reference is blocklisted first
		if (self::verify_reference_name($reference) !== true) {
			return false;
		}

// Check for a direct match
		if ((string) $host === (string) $reference) {
			return true;
		}

// Calculate the valid wildcard match if the host is not an IP address
		// Also validates that the host has 3 parts or more, as per Firefox's ruleset,
		// as a wildcard reference is only allowed with 3 parts or more, so the
		// comparison will never match if host doesn't contain 3 parts or more as well.
		if (ip2long($host) === false) {
			$parts    = explode('.', $host);
			$parts[0] = '*';
			$wildcard = implode('.', $parts);
			if ($wildcard === (string) $reference) {
				return true;
			}
		}

return false;
	}
}

Nama File / Folder	Size	Action
Auth	--	NONE
Cookie	--	NONE
Exception	--	NONE
Proxy	--	NONE
Response	--	NONE
Transport	--	NONE
Utility	--	NONE
.htaccess	0.231KB	Edit File Delete File Rename
Auth.php	0.84KB	Edit File Delete File Rename
Autoload.php	9.116KB	Edit File Delete File Rename
Capability.php	0.637KB	Edit File Delete File Rename
Cookie.php	15.028KB	Edit File Delete File Rename
Exception.php	1.088KB	Edit File Delete File Rename
HookManager.php	0.692KB	Edit File Delete File Rename
Hooks.php	2.961KB	Edit File Delete File Rename
IdnaEncoder.php	12.144KB	Edit File Delete File Rename
Ipv6.php	5.507KB	Edit File Delete File Rename
Iri.php	28.928KB	Edit File Delete File Rename
Port.php	1.47KB	Edit File Delete File Rename
Proxy.php	0.847KB	Edit File Delete File Rename
Requests.php	33.204KB	Edit File Delete File Rename
Response.php	4.181KB	Edit File Delete File Rename
Session.php	8.894KB	Edit File Delete File Rename
Ssl.php	5.298KB	Edit File Delete File Rename
Transport.php	1.508KB	Edit File Delete File Rename