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updated plugin Jetpack Protect version 1.3.0

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KawaiiPunk
2023-03-17 22:34:13 +00:00
committed by Gitium
parent 19e086d1c4
commit 1e9ac45ec6
183 changed files with 4388 additions and 2345 deletions
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246
wp-content/plugins/jetpack-protect/jetpack_vendor/automattic/jetpack-ip/src/class-utils.php Normal file
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<?php
/**
* Utils class file.
*
* @package automattic/jetpack-ip
*/
namespace Automattic\Jetpack\IP;
/**
* Class that provides static methods for working with IP addresses.
*/
class Utils {
const PACKAGE_VERSION = '0.1.0';
/**
* Get the current user's IP address.
*
* @return string|false IP address.
*/
public static function get_ip() {
$trusted_header_data = get_site_option( 'trusted_ip_header' );
if ( isset( $trusted_header_data->trusted_header ) && isset( $_SERVER[ $trusted_header_data->trusted_header ] ) ) {
$ip = wp_unslash( $_SERVER[ $trusted_header_data->trusted_header ] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- clean_ip does it below.
$segments = $trusted_header_data->segments;
$reverse_order = $trusted_header_data->reverse;
} else {
$ip = isset( $_SERVER['REMOTE_ADDR'] ) ? wp_unslash( $_SERVER['REMOTE_ADDR'] ) : null; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- clean_ip does it below.
}
if ( ! $ip ) {
return false;
}
$ips = explode( ',', $ip );
if ( ! isset( $segments ) || ! $segments ) {
$segments = 1;
}
if ( isset( $reverse_order ) && $reverse_order ) {
$ips = array_reverse( $ips );
}
$ip_count = count( $ips );
if ( 1 === $ip_count ) {
return self::clean_ip( $ips[0] );
} elseif ( $ip_count >= $segments ) {
$the_one = $ip_count - $segments;
return self::clean_ip( $ips[ $the_one ] );
} else {
return self::clean_ip( isset( $_SERVER['REMOTE_ADDR'] ) ? wp_unslash( $_SERVER['REMOTE_ADDR'] ) : null ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- clean_ip does it.
}
}
/**
* Clean IP address.
*
* @param string $ip The IP address to clean.
* @return string|false The cleaned IP address.
*/
public static function clean_ip( $ip ) {
// Some misconfigured servers give back extra info, which comes after "unless".
$ips = explode( ' unless ', $ip );
$ip = $ips[0];
$ip = strtolower( trim( $ip ) );
// Check for IPv4 with port.
if ( preg_match( '/^(\d+\.\d+\.\d+\.\d+):\d+$/', $ip, $matches ) ) {
$ip = $matches[1];
}
// Check for IPv6 (or IPvFuture) with brackets and optional port.
if ( preg_match( '/^\[([a-z0-9\-._~!$&\'()*+,;=:]+)\](?::\d+)?$/', $ip, $matches ) ) {
$ip = $matches[1];
}
// Check for IPv4 IP cast as IPv6.
if ( preg_match( '/^::ffff:(\d+\.\d+\.\d+\.\d+)$/', $ip, $matches ) ) {
$ip = $matches[1];
}
// Validate and return.
return filter_var( $ip, FILTER_VALIDATE_IP ) ? $ip : false;
}
/**
* Checks an IP to see if it is within a private range.
*
* @param int $ip IP address.
* @return bool True if IP address is private, false otherwise.
*/
public static function ip_is_private( $ip ) {
// We are dealing with ipv6, so we can simply rely on filter_var.
if ( false === strpos( $ip, '.' ) ) {
return ! filter_var( $ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE );
}
// We are dealing with ipv4.
$private_ip4_addresses = array(
'10.0.0.0|10.255.255.255', // Single class A network.
'172.16.0.0|172.31.255.255', // 16 contiguous class B network.
'192.168.0.0|192.168.255.255', // 256 contiguous class C network.
'169.254.0.0|169.254.255.255', // Link-local address also referred to as Automatic Private IP Addressing.
'127.0.0.0|127.255.255.255', // localhost.
);
$long_ip = ip2long( $ip );
if ( -1 !== $long_ip ) {
foreach ( $private_ip4_addresses as $pri_addr ) {
list ( $start, $end ) = explode( '|', $pri_addr );
if ( $long_ip >= ip2long( $start ) && $long_ip <= ip2long( $end ) ) {
return true;
}
}
}
return false;
}
/**
* Uses inet_pton if available to convert an IP address to a binary string.
* If inet_pton is not available, ip2long will convert the address to an integer.
* Returns false if an invalid IP address is given.
*
* NOTE: ip2long will return false for any ipv6 address. servers that do not support
* inet_pton will not support ipv6
*
* @param mixed $ip IP address.
* @return int|string|bool
*/
public static function convert_ip_address( $ip ) {
if ( function_exists( 'inet_pton' ) ) {
return inet_pton( $ip );
}
return ip2long( $ip );
}
/**
* Checks that a given IP address is within a given low - high range.
* Servers that support inet_pton will use that function to convert the ip to number,
* while other servers will use ip2long.
*
* NOTE: servers that do not support inet_pton cannot support ipv6.
*
* @param mixed $ip IP.
* @param mixed $range_low Range Low.
* @param mixed $range_high Range High.
* @return Bool
*/
public static function ip_address_is_in_range( $ip, $range_low, $range_high ) {
// The inet_pton will give us binary string of an ipv4 or ipv6.
// We can then use strcmp to see if the address is in range.
if ( function_exists( 'inet_pton' ) ) {
$ip_num = inet_pton( $ip );
$ip_low = inet_pton( $range_low );
$ip_high = inet_pton( $range_high );
if ( $ip_num && $ip_low && $ip_high && strcmp( $ip_num, $ip_low ) >= 0 && strcmp( $ip_num, $ip_high ) <= 0 ) {
return true;
}
// The ip2long will give us an integer of an ipv4 address only. it will produce FALSE for ipv6.
} else {
$ip_num = ip2long( $ip );
$ip_low = ip2long( $range_low );
$ip_high = ip2long( $range_high );
if ( $ip_num && $ip_low && $ip_high && $ip_num >= $ip_low && $ip_num <= $ip_high ) {
return true;
}
}
return false;
}
/**
* Extracts IP addresses from a given string.
*
* We allow for both, one IP per line or comma-; semicolon; or whitespace-separated lists. This also validates the IP addresses
* and only returns the ones that look valid. IP ranges using the "-" character are also supported.
*
* @param string $ips List of ips - example: "8.8.8.8\n4.4.4.4,2.2.2.2;1.1.1.1 9.9.9.9,5555.5555.5555.5555,1.1.1.10-1.1.1.20".
* @return array List of valid IP addresses. - example based on input example: array('8.8.8.8', '4.4.4.4', '2.2.2.2', '1.1.1.1', '9.9.9.9', '1.1.1.10-1.1.1.20')
*/
public static function get_ip_addresses_from_string( $ips ) {
$ips = (string) $ips;
$ips = preg_split( '/[\s,;]/', $ips );
$result = array();
foreach ( $ips as $ip ) {
// Validate both IP values from the range.
$range = explode( '-', $ip );
if ( count( $range ) === 2 ) {
if ( self::validate_ip_range( $range[0], $range[1] ) ) {
$result[] = $ip;
}
continue;
}
// Validate the single IP value.
if ( filter_var( $ip, FILTER_VALIDATE_IP ) !== false ) {
$result[] = $ip;
}
}
return $result;
}
/**
* Validates the low and high IP addresses of a range.
*
* NOTE: servers that do not support inet_pton cannot support ipv6.
*
* @param string $range_low Low IP address.
* @param string $range_high High IP address.
* @return bool True if the range is valid, false otherwise.
*/
public static function validate_ip_range( $range_low, $range_high ) {
// Validate that both IP addresses are valid.
if ( ! filter_var( $range_low, FILTER_VALIDATE_IP ) || ! filter_var( $range_high, FILTER_VALIDATE_IP ) ) {
return false;
}
// Validate that the $range_low is lower or equal to $range_high.
if ( function_exists( 'inet_pton' ) ) {
// The inet_pton will give us binary string of an ipv4 or ipv6.
// We can then use strcmp to see if the address is in range.
$ip_low = inet_pton( $range_low );
$ip_high = inet_pton( $range_high );
if ( false === $ip_low || false === $ip_high ) {
return false;
}
if ( strcmp( $ip_low, $ip_high ) > 0 ) {
return false;
}
} else {
// The ip2long will give us an integer of an ipv4 address only. it will produce FALSE for ipv6.
$ip_low = ip2long( $range_low );
$ip_high = ip2long( $range_high );
if ( false === $ip_low || false === $ip_high ) {
return false;
}
if ( $ip_low > $ip_high ) {
return false;
}
}
return true;
}
}