added missing library files and license
This commit is contained in:
El RIDO
parent
d12ddd2efc
commit
e49e1e2079
28
LICENSE.md
28
LICENSE.md
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@ -4,9 +4,9 @@ PrivateBin consists of PHP and JS code which was originally written by Sébastie
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Sauvage in 2012 and falls unter the Zlib/libpng license. Also included are
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libraries that fall under the GPLv2 (SJCL, rawinflate, rawdeflate), BSD
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2-clause (SJCL), BSD 3-clause (base64.js version 2.1.9, Showdown), MIT
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(base64.js version 1.7, Bootstrap, Identicon), Apache (prettify.js) and CC-BY
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(favicon, icon, logo) licenses. All of these license terms can be found here
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below:
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(base64.js version 1.7, Bootstrap, Identicon, random_compat), Apache
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(prettify.js) and CC-BY (favicon, icon, logo) licenses. All of these license
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terms can be found here below:
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## Zlib/libpng license for PrivateBin
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@ -463,6 +463,28 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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## MIT License for random_compat
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Copyright © 2015 Paragon Initiative Enterprises
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
|
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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## Apache License for prettify.js
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_Version 2.0, January 2004_
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@ -0,0 +1,181 @@
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<?php
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/**
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* Random_* Compatibility Library
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* for using the new PHP 7 random_* API in PHP 5 projects
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2015 Paragon Initiative Enterprises
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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if (!function_exists('RandomCompat_strlen')) {
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if (
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defined('MB_OVERLOAD_STRING') &&
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ini_get('mbstring.func_overload') & MB_OVERLOAD_STRING
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) {
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/**
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* strlen() implementation that isn't brittle to mbstring.func_overload
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*
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* This version uses mb_strlen() in '8bit' mode to treat strings as raw
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* binary rather than UTF-8, ISO-8859-1, etc
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*
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* @param string $binary_string
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*
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* @throws TypeError
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*
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* @return int
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*/
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function RandomCompat_strlen($binary_string)
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{
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if (!is_string($binary_string)) {
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throw new TypeError(
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'RandomCompat_strlen() expects a string'
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);
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}
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return mb_strlen($binary_string, '8bit');
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}
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} else {
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/**
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* strlen() implementation that isn't brittle to mbstring.func_overload
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*
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* This version just used the default strlen()
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*
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* @param string $binary_string
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*
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* @throws TypeError
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*
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* @return int
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*/
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function RandomCompat_strlen($binary_string)
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{
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if (!is_string($binary_string)) {
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throw new TypeError(
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'RandomCompat_strlen() expects a string'
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);
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}
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return strlen($binary_string);
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}
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}
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}
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if (!function_exists('RandomCompat_substr')) {
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if (
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defined('MB_OVERLOAD_STRING')
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&&
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ini_get('mbstring.func_overload') & MB_OVERLOAD_STRING
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) {
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/**
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* substr() implementation that isn't brittle to mbstring.func_overload
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*
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* This version uses mb_substr() in '8bit' mode to treat strings as raw
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* binary rather than UTF-8, ISO-8859-1, etc
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*
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* @param string $binary_string
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* @param int $start
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* @param int $length (optional)
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*
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* @throws TypeError
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*
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* @return string
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*/
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function RandomCompat_substr($binary_string, $start, $length = null)
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{
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if (!is_string($binary_string)) {
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throw new TypeError(
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'RandomCompat_substr(): First argument should be a string'
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);
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}
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if (!is_int($start)) {
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throw new TypeError(
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'RandomCompat_substr(): Second argument should be an integer'
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);
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}
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if ($length === null) {
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/**
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* mb_substr($str, 0, NULL, '8bit') returns an empty string on
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* PHP 5.3, so we have to find the length ourselves.
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*/
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$length = RandomCompat_strlen($length) - $start;
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} elseif (!is_int($length)) {
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throw new TypeError(
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'RandomCompat_substr(): Third argument should be an integer, or omitted'
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);
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}
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// Consistency with PHP's behavior
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if ($start === RandomCompat_strlen($binary_string) && $length === 0) {
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return '';
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}
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if ($start > RandomCompat_strlen($binary_string)) {
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return false;
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}
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return mb_substr($binary_string, $start, $length, '8bit');
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}
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} else {
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/**
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* substr() implementation that isn't brittle to mbstring.func_overload
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*
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* This version just uses the default substr()
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*
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* @param string $binary_string
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* @param int $start
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* @param int $length (optional)
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*
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* @throws TypeError
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*
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* @return string
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*/
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function RandomCompat_substr($binary_string, $start, $length = null)
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{
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if (!is_string($binary_string)) {
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throw new TypeError(
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'RandomCompat_substr(): First argument should be a string'
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);
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}
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if (!is_int($start)) {
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throw new TypeError(
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'RandomCompat_substr(): Second argument should be an integer'
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);
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}
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if ($length !== null) {
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if (!is_int($length)) {
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throw new TypeError(
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'RandomCompat_substr(): Third argument should be an integer, or omitted'
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);
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}
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return substr($binary_string, $start, $length);
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}
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return substr($binary_string, $start);
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}
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}
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}
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@ -0,0 +1,71 @@
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<?php
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/**
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* Random_* Compatibility Library
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* for using the new PHP 7 random_* API in PHP 5 projects
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2015 Paragon Initiative Enterprises
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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if (!function_exists('RandomCompat_intval')) {
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/**
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* Cast to an integer if we can, safely.
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*
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* If you pass it a float in the range (~PHP_INT_MAX, PHP_INT_MAX)
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* (non-inclusive), it will sanely cast it to an int. If you it's equal to
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* ~PHP_INT_MAX or PHP_INT_MAX, we let it fail as not an integer. Floats
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* lose precision, so the <= and => operators might accidentally let a float
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* through.
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*
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* @param int|float $number The number we want to convert to an int
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* @param boolean $fail_open Set to true to not throw an exception
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*
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* @return int (or float if $fail_open)
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*
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* @throws TypeError
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*/
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function RandomCompat_intval($number, $fail_open = false)
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{
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if (is_numeric($number)) {
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$number += 0;
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}
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if (
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is_float($number)
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&&
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$number > ~PHP_INT_MAX
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&&
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$number < PHP_INT_MAX
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) {
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$number = (int) $number;
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}
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if (is_int($number) || $fail_open) {
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return $number;
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}
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throw new TypeError(
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'Expected an integer.'
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);
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}
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}
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@ -0,0 +1,42 @@
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<?php
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/**
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* Random_* Compatibility Library
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* for using the new PHP 7 random_* API in PHP 5 projects
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2015 Paragon Initiative Enterprises
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
|
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
|
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
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* SOFTWARE.
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*/
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if (!class_exists('Error', false)) {
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// We can't really avoid making this extend Exception in PHP 5.
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class Error extends Exception
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{
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}
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}
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if (!class_exists('TypeError', false)) {
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class TypeError extends Error
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{
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}
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}
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@ -0,0 +1,197 @@
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<?php
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/**
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* Random_* Compatibility Library
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* for using the new PHP 7 random_* API in PHP 5 projects
|
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*
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* @version 2.0.2
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* @released 2016-04-03
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2015 Paragon Initiative Enterprises
|
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
|
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* of this software and associated documentation files (the "Software"), to deal
|
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* in the Software without restriction, including without limitation the rights
|
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
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* copies of the Software, and to permit persons to whom the Software is
|
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* furnished to do so, subject to the following conditions:
|
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*
|
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* 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,
|
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
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* SOFTWARE.
|
||||
*/
|
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|
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if (!defined('PHP_VERSION_ID')) {
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// This constant was introduced in PHP 5.2.7
|
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$RandomCompatversion = explode('.', PHP_VERSION);
|
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define(
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'PHP_VERSION_ID',
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$RandomCompatversion[0] * 10000
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+ $RandomCompatversion[1] * 100
|
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+ $RandomCompatversion[2]
|
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);
|
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$RandomCompatversion = null;
|
||||
}
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||||
|
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if (PHP_VERSION_ID < 70000) {
|
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|
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if (!defined('RANDOM_COMPAT_READ_BUFFER')) {
|
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define('RANDOM_COMPAT_READ_BUFFER', 8);
|
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}
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|
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$RandomCompatDIR = dirname(__FILE__);
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require_once $RandomCompatDIR.'/byte_safe_strings.php';
|
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require_once $RandomCompatDIR.'/cast_to_int.php';
|
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require_once $RandomCompatDIR.'/error_polyfill.php';
|
||||
|
||||
if (!function_exists('random_bytes')) {
|
||||
/**
|
||||
* PHP 5.2.0 - 5.6.x way to implement random_bytes()
|
||||
*
|
||||
* We use conditional statements here to define the function in accordance
|
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* to the operating environment. It's a micro-optimization.
|
||||
*
|
||||
* In order of preference:
|
||||
* 1. Use libsodium if available.
|
||||
* 2. fread() /dev/urandom if available (never on Windows)
|
||||
* 3. mcrypt_create_iv($bytes, MCRYPT_DEV_URANDOM)
|
||||
* 4. COM('CAPICOM.Utilities.1')->GetRandom()
|
||||
* 5. openssl_random_pseudo_bytes() (absolute last resort)
|
||||
*
|
||||
* See ERRATA.md for our reasoning behind this particular order
|
||||
*/
|
||||
if (extension_loaded('libsodium')) {
|
||||
// See random_bytes_libsodium.php
|
||||
if (PHP_VERSION_ID >= 50300 && function_exists('\\Sodium\\randombytes_buf')) {
|
||||
require_once $RandomCompatDIR.'/random_bytes_libsodium.php';
|
||||
} elseif (method_exists('Sodium', 'randombytes_buf')) {
|
||||
require_once $RandomCompatDIR.'/random_bytes_libsodium_legacy.php';
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Reading directly from /dev/urandom:
|
||||
*/
|
||||
if (DIRECTORY_SEPARATOR === '/') {
|
||||
// DIRECTORY_SEPARATOR === '/' on Unix-like OSes -- this is a fast
|
||||
// way to exclude Windows.
|
||||
$RandomCompatUrandom = true;
|
||||
$RandomCompat_basedir = ini_get('open_basedir');
|
||||
|
||||
if (!empty($RandomCompat_basedir)) {
|
||||
$RandomCompat_open_basedir = explode(
|
||||
PATH_SEPARATOR,
|
||||
strtolower($RandomCompat_basedir)
|
||||
);
|
||||
$RandomCompatUrandom = (array() !== array_intersect(
|
||||
array('/dev', '/dev/', '/dev/urandom'),
|
||||
$RandomCompat_open_basedir
|
||||
));
|
||||
$RandomCompat_open_basedir = null;
|
||||
}
|
||||
|
||||
if (
|
||||
!function_exists('random_bytes')
|
||||
&&
|
||||
$RandomCompatUrandom
|
||||
&&
|
||||
@is_readable('/dev/urandom')
|
||||
) {
|
||||
// Error suppression on is_readable() in case of an open_basedir
|
||||
// or safe_mode failure. All we care about is whether or not we
|
||||
// can read it at this point. If the PHP environment is going to
|
||||
// panic over trying to see if the file can be read in the first
|
||||
// place, that is not helpful to us here.
|
||||
|
||||
// See random_bytes_dev_urandom.php
|
||||
require_once $RandomCompatDIR.'/random_bytes_dev_urandom.php';
|
||||
}
|
||||
// Unset variables after use
|
||||
$RandomCompat_basedir = null;
|
||||
} else {
|
||||
$RandomCompatUrandom = false;
|
||||
}
|
||||
|
||||
/**
|
||||
* mcrypt_create_iv()
|
||||
*/
|
||||
if (
|
||||
!function_exists('random_bytes')
|
||||
&&
|
||||
PHP_VERSION_ID >= 50307
|
||||
&&
|
||||
extension_loaded('mcrypt')
|
||||
&&
|
||||
(DIRECTORY_SEPARATOR !== '/' || $RandomCompatUrandom)
|
||||
) {
|
||||
// Prevent this code from hanging indefinitely on non-Windows;
|
||||
// see https://bugs.php.net/bug.php?id=69833
|
||||
if (
|
||||
DIRECTORY_SEPARATOR !== '/' ||
|
||||
(PHP_VERSION_ID <= 50609 || PHP_VERSION_ID >= 50613)
|
||||
) {
|
||||
// See random_bytes_mcrypt.php
|
||||
require_once $RandomCompatDIR.'/random_bytes_mcrypt.php';
|
||||
}
|
||||
}
|
||||
$RandomCompatUrandom = null;
|
||||
|
||||
if (
|
||||
!function_exists('random_bytes')
|
||||
&&
|
||||
extension_loaded('com_dotnet')
|
||||
&&
|
||||
class_exists('COM')
|
||||
) {
|
||||
$RandomCompat_disabled_classes = preg_split(
|
||||
'#\s*,\s*#',
|
||||
strtolower(ini_get('disable_classes'))
|
||||
);
|
||||
|
||||
if (!in_array('com', $RandomCompat_disabled_classes)) {
|
||||
try {
|
||||
$RandomCompatCOMtest = new COM('CAPICOM.Utilities.1');
|
||||
if (method_exists($RandomCompatCOMtest, 'GetRandom')) {
|
||||
// See random_bytes_com_dotnet.php
|
||||
require_once $RandomCompatDIR.'/random_bytes_com_dotnet.php';
|
||||
}
|
||||
} catch (com_exception $e) {
|
||||
// Don't try to use it.
|
||||
}
|
||||
}
|
||||
$RandomCompat_disabled_classes = null;
|
||||
$RandomCompatCOMtest = null;
|
||||
}
|
||||
|
||||
/**
|
||||
* throw new Exception
|
||||
*/
|
||||
if (!function_exists('random_bytes')) {
|
||||
/**
|
||||
* We don't have any more options, so let's throw an exception right now
|
||||
* and hope the developer won't let it fail silently.
|
||||
*/
|
||||
function random_bytes($length)
|
||||
{
|
||||
throw new Exception(
|
||||
'There is no suitable CSPRNG installed on your system'
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (!function_exists('random_int')) {
|
||||
require_once $RandomCompatDIR.'/random_int.php';
|
||||
}
|
||||
|
||||
$RandomCompatDIR = null;
|
||||
}
|
||||
|
|
@ -0,0 +1,81 @@
|
|||
<?php
|
||||
/**
|
||||
* Random_* Compatibility Library
|
||||
* for using the new PHP 7 random_* API in PHP 5 projects
|
||||
*
|
||||
* The MIT License (MIT)
|
||||
*
|
||||
* Copyright (c) 2015 Paragon Initiative Enterprises
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
/**
|
||||
* Windows with PHP < 5.3.0 will not have the function
|
||||
* openssl_random_pseudo_bytes() available, so let's use
|
||||
* CAPICOM to work around this deficiency.
|
||||
*
|
||||
* @param int $bytes
|
||||
*
|
||||
* @throws Exception
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
function random_bytes($bytes)
|
||||
{
|
||||
try {
|
||||
$bytes = RandomCompat_intval($bytes);
|
||||
} catch (TypeError $ex) {
|
||||
throw new TypeError(
|
||||
'random_bytes(): $bytes must be an integer'
|
||||
);
|
||||
}
|
||||
|
||||
if ($bytes < 1) {
|
||||
throw new Error(
|
||||
'Length must be greater than 0'
|
||||
);
|
||||
}
|
||||
|
||||
$buf = '';
|
||||
$util = new COM('CAPICOM.Utilities.1');
|
||||
$execCount = 0;
|
||||
|
||||
/**
|
||||
* Let's not let it loop forever. If we run N times and fail to
|
||||
* get N bytes of random data, then CAPICOM has failed us.
|
||||
*/
|
||||
do {
|
||||
$buf .= base64_decode($util->GetRandom($bytes, 0));
|
||||
if (RandomCompat_strlen($buf) >= $bytes) {
|
||||
/**
|
||||
* Return our random entropy buffer here:
|
||||
*/
|
||||
return RandomCompat_substr($buf, 0, $bytes);
|
||||
}
|
||||
++$execCount;
|
||||
} while ($execCount < $bytes);
|
||||
|
||||
/**
|
||||
* If we reach here, PHP has failed us.
|
||||
*/
|
||||
throw new Exception(
|
||||
'Could not gather sufficient random data'
|
||||
);
|
||||
}
|
||||
|
|
@ -0,0 +1,148 @@
|
|||
<?php
|
||||
/**
|
||||
* Random_* Compatibility Library
|
||||
* for using the new PHP 7 random_* API in PHP 5 projects
|
||||
*
|
||||
* The MIT License (MIT)
|
||||
*
|
||||
* Copyright (c) 2015 Paragon Initiative Enterprises
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
if (!defined('RANDOM_COMPAT_READ_BUFFER')) {
|
||||
define('RANDOM_COMPAT_READ_BUFFER', 8);
|
||||
}
|
||||
|
||||
/**
|
||||
* Unless open_basedir is enabled, use /dev/urandom for
|
||||
* random numbers in accordance with best practices
|
||||
*
|
||||
* Why we use /dev/urandom and not /dev/random
|
||||
* @ref http://sockpuppet.org/blog/2014/02/25/safely-generate-random-numbers
|
||||
*
|
||||
* @param int $bytes
|
||||
*
|
||||
* @throws Exception
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
function random_bytes($bytes)
|
||||
{
|
||||
static $fp = null;
|
||||
/**
|
||||
* This block should only be run once
|
||||
*/
|
||||
if (empty($fp)) {
|
||||
/**
|
||||
* We use /dev/urandom if it is a char device.
|
||||
* We never fall back to /dev/random
|
||||
*/
|
||||
$fp = fopen('/dev/urandom', 'rb');
|
||||
if (!empty($fp)) {
|
||||
$st = fstat($fp);
|
||||
if (($st['mode'] & 0170000) !== 020000) {
|
||||
fclose($fp);
|
||||
$fp = false;
|
||||
}
|
||||
}
|
||||
|
||||
if (!empty($fp)) {
|
||||
/**
|
||||
* stream_set_read_buffer() does not exist in HHVM
|
||||
*
|
||||
* If we don't set the stream's read buffer to 0, PHP will
|
||||
* internally buffer 8192 bytes, which can waste entropy
|
||||
*
|
||||
* stream_set_read_buffer returns 0 on success
|
||||
*/
|
||||
if (function_exists('stream_set_read_buffer')) {
|
||||
stream_set_read_buffer($fp, RANDOM_COMPAT_READ_BUFFER);
|
||||
}
|
||||
if (function_exists('stream_set_chunk_size')) {
|
||||
stream_set_chunk_size($fp, RANDOM_COMPAT_READ_BUFFER);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
try {
|
||||
$bytes = RandomCompat_intval($bytes);
|
||||
} catch (TypeError $ex) {
|
||||
throw new TypeError(
|
||||
'random_bytes(): $bytes must be an integer'
|
||||
);
|
||||
}
|
||||
|
||||
if ($bytes < 1) {
|
||||
throw new Error(
|
||||
'Length must be greater than 0'
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* This if() block only runs if we managed to open a file handle
|
||||
*
|
||||
* It does not belong in an else {} block, because the above
|
||||
* if (empty($fp)) line is logic that should only be run once per
|
||||
* page load.
|
||||
*/
|
||||
if (!empty($fp)) {
|
||||
$remaining = $bytes;
|
||||
$buf = '';
|
||||
|
||||
/**
|
||||
* We use fread() in a loop to protect against partial reads
|
||||
*/
|
||||
do {
|
||||
$read = fread($fp, $remaining);
|
||||
if ($read === false) {
|
||||
/**
|
||||
* We cannot safely read from the file. Exit the
|
||||
* do-while loop and trigger the exception condition
|
||||
*/
|
||||
$buf = false;
|
||||
break;
|
||||
}
|
||||
/**
|
||||
* Decrease the number of bytes returned from remaining
|
||||
*/
|
||||
$remaining -= RandomCompat_strlen($read);
|
||||
$buf .= $read;
|
||||
} while ($remaining > 0);
|
||||
|
||||
/**
|
||||
* Is our result valid?
|
||||
*/
|
||||
if ($buf !== false) {
|
||||
if (RandomCompat_strlen($buf) === $bytes) {
|
||||
/**
|
||||
* Return our random entropy buffer here:
|
||||
*/
|
||||
return $buf;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* If we reach here, PHP has failed us.
|
||||
*/
|
||||
throw new Exception(
|
||||
'Error reading from source device'
|
||||
);
|
||||
}
|
||||
|
|
@ -0,0 +1,86 @@
|
|||
<?php
|
||||
/**
|
||||
* Random_* Compatibility Library
|
||||
* for using the new PHP 7 random_* API in PHP 5 projects
|
||||
*
|
||||
* The MIT License (MIT)
|
||||
*
|
||||
* Copyright (c) 2015 Paragon Initiative Enterprises
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
/**
|
||||
* If the libsodium PHP extension is loaded, we'll use it above any other
|
||||
* solution.
|
||||
*
|
||||
* libsodium-php project:
|
||||
* @ref https://github.com/jedisct1/libsodium-php
|
||||
*
|
||||
* @param int $bytes
|
||||
*
|
||||
* @throws Exception
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
function random_bytes($bytes)
|
||||
{
|
||||
try {
|
||||
$bytes = RandomCompat_intval($bytes);
|
||||
} catch (TypeError $ex) {
|
||||
throw new TypeError(
|
||||
'random_bytes(): $bytes must be an integer'
|
||||
);
|
||||
}
|
||||
|
||||
if ($bytes < 1) {
|
||||
throw new Error(
|
||||
'Length must be greater than 0'
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* \Sodium\randombytes_buf() doesn't allow more than 2147483647 bytes to be
|
||||
* generated in one invocation.
|
||||
*/
|
||||
if ($bytes > 2147483647) {
|
||||
$buf = '';
|
||||
for ($i = 0; $i < $bytes; $i += 1073741824) {
|
||||
$n = ($bytes - $i) > 1073741824
|
||||
? 1073741824
|
||||
: $bytes - $i;
|
||||
$buf .= \Sodium\randombytes_buf($n);
|
||||
}
|
||||
} else {
|
||||
$buf = \Sodium\randombytes_buf($bytes);
|
||||
}
|
||||
|
||||
if ($buf !== false) {
|
||||
if (RandomCompat_strlen($buf) === $bytes) {
|
||||
return $buf;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* If we reach here, PHP has failed us.
|
||||
*/
|
||||
throw new Exception(
|
||||
'Could not gather sufficient random data'
|
||||
);
|
||||
}
|
||||
|
|
@ -0,0 +1,86 @@
|
|||
<?php
|
||||
/**
|
||||
* Random_* Compatibility Library
|
||||
* for using the new PHP 7 random_* API in PHP 5 projects
|
||||
*
|
||||
* The MIT License (MIT)
|
||||
*
|
||||
* Copyright (c) 2015 Paragon Initiative Enterprises
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
/**
|
||||
* If the libsodium PHP extension is loaded, we'll use it above any other
|
||||
* solution.
|
||||
*
|
||||
* libsodium-php project:
|
||||
* @ref https://github.com/jedisct1/libsodium-php
|
||||
*
|
||||
* @param int $bytes
|
||||
*
|
||||
* @throws Exception
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
function random_bytes($bytes)
|
||||
{
|
||||
try {
|
||||
$bytes = RandomCompat_intval($bytes);
|
||||
} catch (TypeError $ex) {
|
||||
throw new TypeError(
|
||||
'random_bytes(): $bytes must be an integer'
|
||||
);
|
||||
}
|
||||
|
||||
if ($bytes < 1) {
|
||||
throw new Error(
|
||||
'Length must be greater than 0'
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* \Sodium\randombytes_buf() doesn't allow more than 2147483647 bytes to be
|
||||
* generated in one invocation.
|
||||
*/
|
||||
if ($bytes > 2147483647) {
|
||||
$buf = '';
|
||||
for ($i = 0; $i < $bytes; $i += 1073741824) {
|
||||
$n = ($bytes - $i) > 1073741824
|
||||
? 1073741824
|
||||
: $bytes - $i;
|
||||
$buf .= Sodium::randombytes_buf($n);
|
||||
}
|
||||
} else {
|
||||
$buf = Sodium::randombytes_buf($bytes);
|
||||
}
|
||||
|
||||
if ($buf !== false) {
|
||||
if (RandomCompat_strlen($buf) === $bytes) {
|
||||
return $buf;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* If we reach here, PHP has failed us.
|
||||
*/
|
||||
throw new Exception(
|
||||
'Could not gather sufficient random data'
|
||||
);
|
||||
}
|
||||
|
|
@ -0,0 +1,76 @@
|
|||
<?php
|
||||
/**
|
||||
* Random_* Compatibility Library
|
||||
* for using the new PHP 7 random_* API in PHP 5 projects
|
||||
*
|
||||
* The MIT License (MIT)
|
||||
*
|
||||
* Copyright (c) 2015 Paragon Initiative Enterprises
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
|
||||
/**
|
||||
* Powered by ext/mcrypt (and thankfully NOT libmcrypt)
|
||||
*
|
||||
* @ref https://bugs.php.net/bug.php?id=55169
|
||||
* @ref https://github.com/php/php-src/blob/c568ffe5171d942161fc8dda066bce844bdef676/ext/mcrypt/mcrypt.c#L1321-L1386
|
||||
*
|
||||
* @param int $bytes
|
||||
*
|
||||
* @throws Exception
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
function random_bytes($bytes)
|
||||
{
|
||||
try {
|
||||
$bytes = RandomCompat_intval($bytes);
|
||||
} catch (TypeError $ex) {
|
||||
throw new TypeError(
|
||||
'random_bytes(): $bytes must be an integer'
|
||||
);
|
||||
}
|
||||
|
||||
if ($bytes < 1) {
|
||||
throw new Error(
|
||||
'Length must be greater than 0'
|
||||
);
|
||||
}
|
||||
|
||||
$buf = @mcrypt_create_iv($bytes, MCRYPT_DEV_URANDOM);
|
||||
if (
|
||||
$buf !== false
|
||||
&&
|
||||
RandomCompat_strlen($buf) === $bytes
|
||||
) {
|
||||
/**
|
||||
* Return our random entropy buffer here:
|
||||
*/
|
||||
return $buf;
|
||||
}
|
||||
|
||||
/**
|
||||
* If we reach here, PHP has failed us.
|
||||
*/
|
||||
throw new Exception(
|
||||
'Could not gather sufficient random data'
|
||||
);
|
||||
}
|
||||
|
|
@ -0,0 +1,191 @@
|
|||
<?php
|
||||
/**
|
||||
* Random_* Compatibility Library
|
||||
* for using the new PHP 7 random_* API in PHP 5 projects
|
||||
*
|
||||
* The MIT License (MIT)
|
||||
*
|
||||
* Copyright (c) 2015 Paragon Initiative Enterprises
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
/**
|
||||
* Fetch a random integer between $min and $max inclusive
|
||||
*
|
||||
* @param int $min
|
||||
* @param int $max
|
||||
*
|
||||
* @throws Exception
|
||||
*
|
||||
* @return int
|
||||
*/
|
||||
function random_int($min, $max)
|
||||
{
|
||||
/**
|
||||
* Type and input logic checks
|
||||
*
|
||||
* If you pass it a float in the range (~PHP_INT_MAX, PHP_INT_MAX)
|
||||
* (non-inclusive), it will sanely cast it to an int. If you it's equal to
|
||||
* ~PHP_INT_MAX or PHP_INT_MAX, we let it fail as not an integer. Floats
|
||||
* lose precision, so the <= and => operators might accidentally let a float
|
||||
* through.
|
||||
*/
|
||||
|
||||
try {
|
||||
$min = RandomCompat_intval($min);
|
||||
} catch (TypeError $ex) {
|
||||
throw new TypeError(
|
||||
'random_int(): $min must be an integer'
|
||||
);
|
||||
}
|
||||
|
||||
try {
|
||||
$max = RandomCompat_intval($max);
|
||||
} catch (TypeError $ex) {
|
||||
throw new TypeError(
|
||||
'random_int(): $max must be an integer'
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* Now that we've verified our weak typing system has given us an integer,
|
||||
* let's validate the logic then we can move forward with generating random
|
||||
* integers along a given range.
|
||||
*/
|
||||
if ($min > $max) {
|
||||
throw new Error(
|
||||
'Minimum value must be less than or equal to the maximum value'
|
||||
);
|
||||
}
|
||||
|
||||
if ($max === $min) {
|
||||
return $min;
|
||||
}
|
||||
|
||||
/**
|
||||
* Initialize variables to 0
|
||||
*
|
||||
* We want to store:
|
||||
* $bytes => the number of random bytes we need
|
||||
* $mask => an integer bitmask (for use with the &) operator
|
||||
* so we can minimize the number of discards
|
||||
*/
|
||||
$attempts = $bits = $bytes = $mask = $valueShift = 0;
|
||||
|
||||
/**
|
||||
* At this point, $range is a positive number greater than 0. It might
|
||||
* overflow, however, if $max - $min > PHP_INT_MAX. PHP will cast it to
|
||||
* a float and we will lose some precision.
|
||||
*/
|
||||
$range = $max - $min;
|
||||
|
||||
/**
|
||||
* Test for integer overflow:
|
||||
*/
|
||||
if (!is_int($range)) {
|
||||
|
||||
/**
|
||||
* Still safely calculate wider ranges.
|
||||
* Provided by @CodesInChaos, @oittaa
|
||||
*
|
||||
* @ref https://gist.github.com/CodesInChaos/03f9ea0b58e8b2b8d435
|
||||
*
|
||||
* We use ~0 as a mask in this case because it generates all 1s
|
||||
*
|
||||
* @ref https://eval.in/400356 (32-bit)
|
||||
* @ref http://3v4l.org/XX9r5 (64-bit)
|
||||
*/
|
||||
$bytes = PHP_INT_SIZE;
|
||||
$mask = ~0;
|
||||
|
||||
} else {
|
||||
|
||||
/**
|
||||
* $bits is effectively ceil(log($range, 2)) without dealing with
|
||||
* type juggling
|
||||
*/
|
||||
while ($range > 0) {
|
||||
if ($bits % 8 === 0) {
|
||||
++$bytes;
|
||||
}
|
||||
++$bits;
|
||||
$range >>= 1;
|
||||
$mask = $mask << 1 | 1;
|
||||
}
|
||||
$valueShift = $min;
|
||||
}
|
||||
|
||||
/**
|
||||
* Now that we have our parameters set up, let's begin generating
|
||||
* random integers until one falls between $min and $max
|
||||
*/
|
||||
do {
|
||||
/**
|
||||
* The rejection probability is at most 0.5, so this corresponds
|
||||
* to a failure probability of 2^-128 for a working RNG
|
||||
*/
|
||||
if ($attempts > 128) {
|
||||
throw new Exception(
|
||||
'random_int: RNG is broken - too many rejections'
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* Let's grab the necessary number of random bytes
|
||||
*/
|
||||
$randomByteString = random_bytes($bytes);
|
||||
if ($randomByteString === false) {
|
||||
throw new Exception(
|
||||
'Random number generator failure'
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* Let's turn $randomByteString into an integer
|
||||
*
|
||||
* This uses bitwise operators (<< and |) to build an integer
|
||||
* out of the values extracted from ord()
|
||||
*
|
||||
* Example: [9F] | [6D] | [32] | [0C] =>
|
||||
* 159 + 27904 + 3276800 + 201326592 =>
|
||||
* 204631455
|
||||
*/
|
||||
$val = 0;
|
||||
for ($i = 0; $i < $bytes; ++$i) {
|
||||
$val |= ord($randomByteString[$i]) << ($i * 8);
|
||||
}
|
||||
|
||||
/**
|
||||
* Apply mask
|
||||
*/
|
||||
$val &= $mask;
|
||||
$val += $valueShift;
|
||||
|
||||
++$attempts;
|
||||
/**
|
||||
* If $val overflows to a floating point number,
|
||||
* ... or is larger than $max,
|
||||
* ... or smaller than $min,
|
||||
* then try again.
|
||||
*/
|
||||
} while (!is_int($val) || $val > $max || $val < $min);
|
||||
|
||||
return (int) $val;
|
||||
}
|
||||
Loading…
Reference in New Issue