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initial commit; version 22.5.12042

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Chris Hammer
2022-12-12 23:28:25 -05:00
commit af1b03d79f
17653 changed files with 22692970 additions and 0 deletions
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19
libs/hash-compat/LICENSE Normal file
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Copyright (c) 2015 Indigo Development Team
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is furnished
to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

66
libs/hash-compat/hash_equals.php Normal file
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<?php
if (!function_exists('hash_equals')) {
defined('USE_MB_STRING') or define('USE_MB_STRING', function_exists('mb_strlen'));
/**
* hash_equals — Timing attack safe string comparison
*
* Arguments are null by default, so an appropriate warning can be triggered
*
* @param string $known_string
* @param string $user_string
*
* @link http://php.net/manual/en/function.hash-equals.php
*
* @return boolean
*/
function hash_equals($known_string = null, $user_string = null)
{
$argc = func_num_args();
// Check the number of arguments
if ($argc < 2) {
trigger_error(sprintf('hash_equals() expects exactly 2 parameters, %d given', $argc), E_USER_WARNING);
return null;
}
// Check $known_string type
if (!is_string($known_string)) {
trigger_error(sprintf('hash_equals(): Expected known_string to be a string, %s given', strtolower(gettype($known_string))), E_USER_WARNING);
return false;
}
// Check $user_string type
if (!is_string($user_string)) {
trigger_error(sprintf('hash_equals(): Expected user_string to be a string, %s given', strtolower(gettype($user_string))), E_USER_WARNING);
return false;
}
// Ensures raw binary string length returned
$strlen = function($string) {
if (USE_MB_STRING) {
return mb_strlen($string, '8bit');
}
return strlen($string);
};
// Compare string lengths
if (($length = $strlen($known_string)) !== $strlen($user_string)) {
return false;
}
$diff = 0;
// Calculate differences
for ($i = 0; $i < $length; $i++) {
$diff |= ord($known_string[$i]) ^ ord($user_string[$i]);
}
return $diff === 0;
}
}

167
libs/hash-compat/hash_pbkdf2.php Normal file
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<?php
if (!function_exists('hash_pbkdf2')) {
defined('USE_MB_STRING') or define('USE_MB_STRING', function_exists('mb_strlen'));
/**
* hash_pbkdf2 — Generate a PBKDF2 key derivation of a supplied password
*
* Arguments are null by default, so an appropriate warning can be triggered
*
* @param string $algo
* @param string $password
* @param string $salt
* @param integer $iterations
* @param integer $length
* @param boolean $raw_output
*
* @link http://php.net/manual/en/function.hash-pbkdf2.php
*
* @return boolean
*/
function hash_pbkdf2($algo = null, $password = null, $salt = null, $iterations = null, $length = 0, $raw_output = false)
{
$argc = func_num_args();
// Check the number of arguments
if ($argc < 4) {
trigger_error(sprintf('hash_pbkdf2() expects at least 4 parameters, %d given', $argc), E_USER_WARNING);
return null;
}
// Check if a variable is acceptable as a string
$notStringCastable = function($var) {
return !is_scalar($var) && !is_null($var) && !(is_object($var) && method_exists($var, '__toString'));
};
// Check if a variable is acceptable as an integer
$notIntegerCastable = function($var) {
return !is_numeric($var) && !is_null($var) && !is_bool($var);
};
// Check $algo type
// Any values that can be casted to string is valid
if ($notStringCastable($algo)) {
trigger_error(sprintf('hash_pbkdf2() expects parameter 1 to be string, %s given', gettype($algo)), E_USER_WARNING);
return null;
}
// Check $password type
// Any values that can be casted to string is valid
if ($notStringCastable($password)) {
trigger_error(sprintf('hash_pbkdf2() expects parameter 2 to be string, %s given', gettype($password)), E_USER_WARNING);
return null;
}
// Check $salt type
// Any values that can be casted to string is valid
if ($notStringCastable($salt)) {
trigger_error(sprintf('hash_pbkdf2() expects parameter 3 to be string, %s given', gettype($salt)), E_USER_WARNING);
return null;
}
// Check $iterations type
// Any values that can be casted to integer is valid (null is evaluated to 0)
if ($notIntegerCastable($iterations)) {
trigger_error(sprintf('hash_pbkdf2() expects parameter 4 to be long, %s given', gettype($iterations)), E_USER_WARNING);
return null;
}
// Check $length type
// Any values that can be casted to integer is valid (null is evaluated to 0)
if ($notIntegerCastable($length)) {
trigger_error(sprintf('hash_pbkdf2() expects parameter 5 to be long, %s given', gettype($length)), E_USER_WARNING);
return null;
}
// Check $raw_output type
// Any values that can be casted to boolean is valid (null is evaluated to false)
if (!is_scalar($raw_output) and !is_null($raw_output)) {
trigger_error(sprintf('hash_pbkdf2() expects parameter 6 to be boolean, %s given', gettype($raw_output)), E_USER_WARNING);
return null;
}
// Check the algorithm
if (!in_array($algo, hash_algos(), true)) {
trigger_error('hash_pbkdf2(): Unknown hashing algorithm: '.$algo, E_USER_WARNING);
return false;
}
// Ensures raw binary string length returned
$strlen = function($string) {
if (USE_MB_STRING) {
return mb_strlen($string, '8bit');
}
return strlen($string);
};
// Check salt length
// @codeCoverageIgnoreStart
if ($salt_len = $strlen($salt) > PHP_INT_MAX - 4) {
trigger_error(sprintf('hash_pbkdf2(): Supplied salt is too long, max of PHP_INT_MAX - 4 bytes: %d supplied', $salt_len), E_USER_WARNING);
return false;
}
// @codeCoverageIgnoreEnd
// Check $iterations is a positive integer
if ($iterations < 1) {
trigger_error('hash_pbkdf2(): Iterations must be a positive integer: ' . (int) $iterations, E_USER_WARNING);
return false;
}
// Check $length is greater than or equal to 0 and integer
if ($length < 0) {
trigger_error('hash_pbkdf2(): Length must be greater than or equal to 0: ' . (int) $length, E_USER_WARNING);
return false;
}
// Type casting
$algo = (string) $algo;
$password = (string) $password;
$salt = (string) $salt;
$iterations = (int) $iterations;
$length = (int) $length;
$raw_output = (bool) $raw_output;
$hash_length = $strlen(hash($algo, null, true));
if ($length == 0) {
$length = $raw_output ? $hash_length : $hash_length * 2;
}
$digest_length = $length;
if (!$raw_output) {
$digest_length = ceil($digest_length / 2);
}
$block_count = ceil($digest_length / $hash_length);
$hash = '';
for ($i = 1; $i <= $block_count; $i++) {
$key = $digest = hash_hmac($algo, $salt . pack('N', $i), $password, true);
for ($j = 1; $j < $iterations; $j++) {
$digest ^= $key = hash_hmac($algo, $key, $password, true);
}
$hash .= $digest;
}
// Built-in function returns the length of string, not the length of bytes (not RFC compatible)
return substr($raw_output ? $hash : bin2hex($hash), 0, $length);
}
}