diff options
Diffstat (limited to 'assets/php/vendor/paragonie/random_compat/lib/random.php')
| -rwxr-xr-x | assets/php/vendor/paragonie/random_compat/lib/random.php | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/assets/php/vendor/paragonie/random_compat/lib/random.php b/assets/php/vendor/paragonie/random_compat/lib/random.php deleted file mode 100755 index 080b87c..0000000 --- a/assets/php/vendor/paragonie/random_compat/lib/random.php +++ /dev/null @@ -1,225 +0,0 @@ -<?php -/** - * Random_* Compatibility Library - * for using the new PHP 7 random_* API in PHP 5 projects - * - * @version 2.0.10 - * @released 2017-03-13 - * - * The MIT License (MIT) - * - * Copyright (c) 2015 - 2017 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('PHP_VERSION_ID')) { - // This constant was introduced in PHP 5.2.7 - $RandomCompatversion = array_map('intval', explode('.', PHP_VERSION)); - define( - 'PHP_VERSION_ID', - $RandomCompatversion[0] * 10000 - + $RandomCompatversion[1] * 100 - + $RandomCompatversion[2] - ); - $RandomCompatversion = null; -} - -/** - * PHP 7.0.0 and newer have these functions natively. - */ -if (PHP_VERSION_ID >= 70000) { - return; -} - -if (!defined('RANDOM_COMPAT_READ_BUFFER')) { - define('RANDOM_COMPAT_READ_BUFFER', 8); -} - -$RandomCompatDIR = dirname(__FILE__); - -require_once $RandomCompatDIR . '/byte_safe_strings.php'; -require_once $RandomCompatDIR . '/cast_to_int.php'; -require_once $RandomCompatDIR . '/error_polyfill.php'; - -if (!is_callable('random_bytes')) { - /** - * PHP 5.2.0 - 5.6.x way to implement random_bytes() - * - * We use conditional statements here to define the function in accordance - * to the operating environment. It's a micro-optimization. - * - * In order of preference: - * 1. Use libsodium if available. - * 2. fread() /dev/urandom if available (never on Windows) - * 3. mcrypt_create_iv($bytes, MCRYPT_DEV_URANDOM) - * 4. COM('CAPICOM.Utilities.1')->GetRandom() - * - * See RATIONALE.md for our reasoning behind this particular order - */ - if (extension_loaded('libsodium')) { - // See random_bytes_libsodium.php - if (PHP_VERSION_ID >= 50300 && is_callable('\\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 ( - !is_callable('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() - * - * We only want to use mcypt_create_iv() if: - * - * - random_bytes() hasn't already been defined - * - the mcrypt extensions is loaded - * - One of these two conditions is true: - * - We're on Windows (DIRECTORY_SEPARATOR !== '/') - * - We're not on Windows and /dev/urandom is readabale - * (i.e. we're not in a chroot jail) - * - Special case: - * - If we're not on Windows, but the PHP version is between - * 5.6.10 and 5.6.12, we don't want to use mcrypt. It will - * hang indefinitely. This is bad. - * - If we're on Windows, we want to use PHP >= 5.3.7 or else - * we get insufficient entropy errors. - */ - if ( - !is_callable('random_bytes') - && - // Windows on PHP < 5.3.7 is broken, but non-Windows is not known to be. - (DIRECTORY_SEPARATOR === '/' || PHP_VERSION_ID >= 50307) - && - // Prevent this code from hanging indefinitely on non-Windows; - // see https://bugs.php.net/bug.php?id=69833 - ( - DIRECTORY_SEPARATOR !== '/' || - (PHP_VERSION_ID <= 50609 || PHP_VERSION_ID >= 50613) - ) - && - extension_loaded('mcrypt') - ) { - // See random_bytes_mcrypt.php - require_once $RandomCompatDIR . '/random_bytes_mcrypt.php'; - } - $RandomCompatUrandom = null; - - /** - * This is a Windows-specific fallback, for when the mcrypt extension - * isn't loaded. - */ - if ( - !is_callable('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 (!is_callable('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. - * - * @param mixed $length - * @psalm-suppress MissingReturnType - * @throws Exception - * @return string - */ - function random_bytes($length) - { - unset($length); // Suppress "variable not used" warnings. - throw new Exception( - 'There is no suitable CSPRNG installed on your system' - ); - return ''; - } - } -} - -if (!is_callable('random_int')) { - require_once $RandomCompatDIR . '/random_int.php'; -} - -$RandomCompatDIR = null; |