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93 lines
2.2 KiB
PHP
93 lines
2.2 KiB
PHP
<?php
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use ReallySimpleJWT\Token;
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use ReallySimpleJWT\Exception\BuildException;
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//include "brain/data/Auth.inc.php";
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class StringTools
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{
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public static function createUUID()
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{
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if (function_exists("com_create_guid") === true) {
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return trim(com_create_guid(), "{}");
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}
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return sprintf(
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"%04X%04X-%04X-%04X-%04X-%04X%04X%04X",
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mt_rand(0, 65535),
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mt_rand(0, 65535),
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mt_rand(0, 65535),
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mt_rand(16384, 20479),
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mt_rand(32768, 49151),
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mt_rand(0, 65535),
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mt_rand(0, 65535),
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mt_rand(0, 65535)
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);
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}
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public static function safeString($string)
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{
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return strtolower(
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trim(
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preg_replace(
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"~[^0-9a-z]+~i",
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"_",
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html_entity_decode(
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preg_replace(
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"~&([a-z]{1,2})(?:acute|cedil|circ|grave|lig|orn|ring|slash|th|tilde|uml);~i",
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'$1',
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htmlentities($string, ENT_QUOTES, "UTF-8")
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),
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ENT_QUOTES,
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"UTF-8"
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)
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),
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"-"
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)
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);
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}
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public static function randomString(int $length)
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{
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$alphanum =
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
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$special = '*&!@%^#$';
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$alphabet = $alphanum . $special;
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$random = openssl_random_pseudo_bytes($length);
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$alphabet_length = strlen($alphabet);
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$string = "";
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for ($i = 0; $i < $length; ++$i) {
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$string .= $alphabet[ord($random[$i]) % $alphabet_length];
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}
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//secret needs to be a valid token
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if ($length == 12) {
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try {
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$secret = Token::create(12, $string, time() + 3600, "localhost");
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return $string;
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} catch (BuildException $e) {
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//bad secret, so try agiain
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//echo "BAD STRING";
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return self::randomString(12);
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}
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if (Token::validate($key, $string)) {
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return $string;
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} else {
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return self::randomString(12);
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}
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}
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}
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private static function checkSpecial($string)
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{
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$specials = ["*", "&", "!", "@", "%", "^", "#", "$"];
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$valid = false;
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foreach ($specials as $item) {
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if (strpos($string, $item)) {
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return $valid = true;
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}
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}
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return $valid;
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}
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}
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