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diff --git a/core.php b/core.php
index 9b34fab..cae925b 100644
--- a/core.php
+++ b/core.php
@@ -1,180 +1,184 @@
<?php
namespace Keruald;
+use Keruald\OmniTools\Network\IP;
use Keruald\OmniTools\Strings\Multibyte\StringUtilities;
/**
* Keruald, core libraries for Pluton and Xen engines.
*
* Global functions
*/
///
/// Strings
///
/**
* Pads a multibytes string to a certain length with another string
*
* @param string $input the input string
* @param int $pad_length the target string size
* @param string $pad_string the padding characters (optional, default is space)
* @param int $pad_type STR_PAD_RIGHT, STR_PAD_LEFT, or STR_PAD_BOTH (optional, default is STR_PAD_RIGHT)
* @param string $encoding the character encoding (optional)
*
* @return string the padded string
* @deprecated Use Keruald\OmniTools\Strings\Multibyte\StringUtilities::pad
*/
function mb_str_pad($input, $pad_length, $pad_string = ' ', $pad_type = STR_PAD_RIGHT, $encoding = null) {
return StringUtilities::pad($input, $pad_length, $pad_string, $pad_type, $encoding);
}
/**
* Determines whether the specified is a valid IP address
*
* @param string $string the string to validate as an IP
* @return bool true if the specified string is a valid IP address; otherwise, false
+ * @deprecated Use Keruald\OmniTools\Network\IP::isIP
*/
function is_ip ($string) {
- return is_ipv4($string) || is_ipv6($string);
+ return IP::isIP($string);
}
/**
* Determines whether the specified is a valid IPv4 address
*
* @param string $string the string to validate as an IP
* @return bool true if the specified string is a valid IPv4 address; otherwise, false
+ * @deprecated Use Keruald\OmniTools\Network\IP::isIPv4
*/
function is_ipv4 ($string) {
- return filter_var($string, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) !== false;
+ return IP::isIPv4($string);
}
/**
* Determines whether the specified is a valid IPv6 address
*
* @param string $string the string to validate as an IP
* @return bool true if the specified string is a valid IPv6 address; otherwise, false
+ * @deprecated Use Keruald\OmniTools\Network\IP::isIPv6
*/
function is_ipv6 ($string) {
- return filter_var($string, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) !== false;
+ return IP::isIPv6($string);
}
///
/// Identifiers
///
/**
* Generates a RFC 4211 compliant v4 UUID (random-based)
*
* @return string the UUID
*/
function uuid () {
//Code by Andrew Moore
//See http://php.net/manual/en/function.uniqid.php#94959
// https://www.ietf.org/rfc/rfc4122.txt
return sprintf(
'%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
// 32 bits for "time_low"
mt_rand(0, 0xffff), mt_rand(0, 0xffff),
// 16 bits for "time_mid"
mt_rand(0, 0xffff),
// 16 bits for "time_hi_and_version",
// four most significant bits holds version number 4
mt_rand(0, 0x0fff) | 0x4000,
// 16 bits, 8 bits for "clk_seq_hi_res",
// 8 bits for "clk_seq_low",
// two most significant bits holds zero and one for variant DCE1.1
mt_rand(0, 0x3fff) | 0x8000,
// 48 bits for "node"
mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0xffff)
);
}
///
/// Error and debug
///
/**
* Prints human-readable information about a variable, wrapped in a <pre> block
*
* @param mixed $variable the variable to dump
*/
function dprint_r ($variable) {
echo '<pre>';
print_r($variable);
echo '</pre>';
}
/**
* Prints human-readable information about a variable, wrapped in a <pre> block
* then dies
*
* @param mixed $variable the variable to dump
*/
function dieprint_r ($variable) {
dprint_r($variable);
die;
};
///
/// Client information
///
/**
* Returns the full header or the IP part of it
*
* @param string $value the header value
* @return string the IP part
*/
function extract_client_ip_from_header ($value) {
if (strpos($value, ',') !== false) {
//Header contains 'clientIP, proxyIP, anotherProxyIP'
//The first value is so the one to return.
//See draft-ietf-appsawg-http-forwarded-10.
$ips = explode(',', $value, 2);
return trim($ips[0]);
}
return $value;
}
/**
* Gets remote IP address.
*
* This is intended as a drop-in replacement for $_SERVER['REMOTE_ADDR'],
* which takes in consideration proxy values, blindly trusted.
*
* @return string the remote address
*/
function get_remote_addr () {
$candidates = [
//Standard header provided by draft-ietf-appsawg-http-forwarded-10
'HTTP_X_FORWARDED_FOR',
//Legacy headers
'HTTP_CLIENT_IP',
'HTTP_FORWARDED',
'HTTP_FORWARDED_FOR',
'HTTP_X_CLUSTER_CLIENT_IP',
'HTTP_X_FORWARDED',
//Default header if no proxy information could be detected
'REMOTE_ADDR',
];
foreach ($candidates as $candidate) {
if (array_key_exists($candidate, $_SERVER)) {
return extract_client_ip_from_header($_SERVER[$candidate]);
}
}
return '';
}

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