updating random_compat library to 2.0.15 (not upgrading identicon, would raise PHP requirements to 5.5)

This commit is contained in:
El RIDO 2018-07-01 15:32:22 +02:00
parent 3745f9d96b
commit fd6c18e573
No known key found for this signature in database
GPG key ID: 0F5C940A6BD81F92
15 changed files with 461 additions and 380 deletions

View file

@ -13,7 +13,7 @@
}, },
"require": { "require": {
"php": "^5.4.0 || ^7.0", "php": "^5.4.0 || ^7.0",
"paragonie/random_compat": "2.0.4", "paragonie/random_compat": "2.0.15",
"yzalis/identicon": "1.1.0" "yzalis/identicon": "1.1.0"
}, },
"require-dev": { "require-dev": {

2
vendor/autoload.php vendored
View file

@ -2,6 +2,6 @@
// autoload.php @generated by Composer // autoload.php @generated by Composer
require_once __DIR__ . '/composer' . '/autoload_real.php'; require_once __DIR__ . '/composer/autoload_real.php';
return ComposerAutoloaderInitDontChange::getLoader(); return ComposerAutoloaderInitDontChange::getLoader();

View file

@ -53,8 +53,9 @@ class ClassLoader
private $useIncludePath = false; private $useIncludePath = false;
private $classMap = array(); private $classMap = array();
private $classMapAuthoritative = false; private $classMapAuthoritative = false;
private $missingClasses = array();
private $apcuPrefix;
public function getPrefixes() public function getPrefixes()
{ {
@ -271,6 +272,26 @@ class ClassLoader
return $this->classMapAuthoritative; return $this->classMapAuthoritative;
} }
/**
* APCu prefix to use to cache found/not-found classes, if the extension is enabled.
*
* @param string|null $apcuPrefix
*/
public function setApcuPrefix($apcuPrefix)
{
$this->apcuPrefix = function_exists('apcu_fetch') && ini_get('apc.enabled') ? $apcuPrefix : null;
}
/**
* The APCu prefix in use, or null if APCu caching is not enabled.
*
* @return string|null
*/
public function getApcuPrefix()
{
return $this->apcuPrefix;
}
/** /**
* Registers this instance as an autoloader. * Registers this instance as an autoloader.
* *
@ -313,29 +334,34 @@ class ClassLoader
*/ */
public function findFile($class) public function findFile($class)
{ {
// work around for PHP 5.3.0 - 5.3.2 https://bugs.php.net/50731
if ('\\' == $class[0]) {
$class = substr($class, 1);
}
// class map lookup // class map lookup
if (isset($this->classMap[$class])) { if (isset($this->classMap[$class])) {
return $this->classMap[$class]; return $this->classMap[$class];
} }
if ($this->classMapAuthoritative) { if ($this->classMapAuthoritative || isset($this->missingClasses[$class])) {
return false; return false;
} }
if (null !== $this->apcuPrefix) {
$file = apcu_fetch($this->apcuPrefix.$class, $hit);
if ($hit) {
return $file;
}
}
$file = $this->findFileWithExtension($class, '.php'); $file = $this->findFileWithExtension($class, '.php');
// Search for Hack files if we are running on HHVM // Search for Hack files if we are running on HHVM
if ($file === null && defined('HHVM_VERSION')) { if (false === $file && defined('HHVM_VERSION')) {
$file = $this->findFileWithExtension($class, '.hh'); $file = $this->findFileWithExtension($class, '.hh');
} }
if ($file === null) { if (null !== $this->apcuPrefix) {
apcu_add($this->apcuPrefix.$class, $file);
}
if (false === $file) {
// Remember that this class does not exist. // Remember that this class does not exist.
return $this->classMap[$class] = false; $this->missingClasses[$class] = true;
} }
return $file; return $file;
@ -348,10 +374,14 @@ class ClassLoader
$first = $class[0]; $first = $class[0];
if (isset($this->prefixLengthsPsr4[$first])) { if (isset($this->prefixLengthsPsr4[$first])) {
foreach ($this->prefixLengthsPsr4[$first] as $prefix => $length) { $subPath = $class;
if (0 === strpos($class, $prefix)) { while (false !== $lastPos = strrpos($subPath, '\\')) {
foreach ($this->prefixDirsPsr4[$prefix] as $dir) { $subPath = substr($subPath, 0, $lastPos);
if (file_exists($file = $dir . DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $length))) { $search = $subPath.'\\';
if (isset($this->prefixDirsPsr4[$search])) {
$pathEnd = DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $lastPos + 1);
foreach ($this->prefixDirsPsr4[$search] as $dir) {
if (file_exists($file = $dir . $pathEnd)) {
return $file; return $file;
} }
} }
@ -399,6 +429,8 @@ class ClassLoader
if ($this->useIncludePath && $file = stream_resolve_include_path($logicalPathPsr0)) { if ($this->useIncludePath && $file = stream_resolve_include_path($logicalPathPsr0)) {
return $file; return $file;
} }
return false;
} }
} }

View file

@ -23,7 +23,7 @@ class ComposerAutoloaderInitDontChange
self::$loader = $loader = new \Composer\Autoload\ClassLoader(); self::$loader = $loader = new \Composer\Autoload\ClassLoader();
spl_autoload_unregister(array('ComposerAutoloaderInitDontChange', 'loadClassLoader')); spl_autoload_unregister(array('ComposerAutoloaderInitDontChange', 'loadClassLoader'));
$useStaticLoader = PHP_VERSION_ID >= 50600 && !defined('HHVM_VERSION'); $useStaticLoader = PHP_VERSION_ID >= 50600 && !defined('HHVM_VERSION') && (!function_exists('zend_loader_file_encoded') || !zend_loader_file_encoded());
if ($useStaticLoader) { if ($useStaticLoader) {
require_once __DIR__ . '/autoload_static.php'; require_once __DIR__ . '/autoload_static.php';

View file

@ -5,7 +5,7 @@
* *
* The MIT License (MIT) * The MIT License (MIT)
* *
* Copyright (c) 2015 - 2016 Paragon Initiative Enterprises * Copyright (c) 2015 - 2018 Paragon Initiative Enterprises
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy * Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal * of this software and associated documentation files (the "Software"), to deal
@ -51,7 +51,7 @@ if (!is_callable('RandomCompat_strlen')) {
); );
} }
return mb_strlen($binary_string, '8bit'); return (int) mb_strlen($binary_string, '8bit');
} }
} else { } else {
@ -73,7 +73,7 @@ if (!is_callable('RandomCompat_strlen')) {
'RandomCompat_strlen() expects a string' 'RandomCompat_strlen() expects a string'
); );
} }
return strlen($binary_string); return (int) strlen($binary_string);
} }
} }
} }
@ -118,7 +118,7 @@ if (!is_callable('RandomCompat_substr')) {
* mb_substr($str, 0, NULL, '8bit') returns an empty string on * mb_substr($str, 0, NULL, '8bit') returns an empty string on
* PHP 5.3, so we have to find the length ourselves. * PHP 5.3, so we have to find the length ourselves.
*/ */
$length = RandomCompat_strlen($length) - $start; $length = RandomCompat_strlen($binary_string) - $start;
} elseif (!is_int($length)) { } elseif (!is_int($length)) {
throw new TypeError( throw new TypeError(
'RandomCompat_substr(): Third argument should be an integer, or omitted' 'RandomCompat_substr(): Third argument should be an integer, or omitted'
@ -130,10 +130,10 @@ if (!is_callable('RandomCompat_substr')) {
return ''; return '';
} }
if ($start > RandomCompat_strlen($binary_string)) { if ($start > RandomCompat_strlen($binary_string)) {
return false; return '';
} }
return mb_substr($binary_string, $start, $length, '8bit'); return (string) mb_substr($binary_string, $start, $length, '8bit');
} }
} else { } else {
@ -172,10 +172,10 @@ if (!is_callable('RandomCompat_substr')) {
); );
} }
return substr($binary_string, $start, $length); return (string) substr($binary_string, $start, $length);
} }
return substr($binary_string, $start); return (string) substr($binary_string, $start);
} }
} }
} }

View file

@ -5,7 +5,7 @@
* *
* The MIT License (MIT) * The MIT License (MIT)
* *
* Copyright (c) 2015 - 2016 Paragon Initiative Enterprises * Copyright (c) 2015 - 2018 Paragon Initiative Enterprises
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy * Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal * of this software and associated documentation files (the "Software"), to deal
@ -38,15 +38,18 @@ if (!is_callable('RandomCompat_intval')) {
* through. * through.
* *
* @param int|float $number The number we want to convert to an int * @param int|float $number The number we want to convert to an int
* @param boolean $fail_open Set to true to not throw an exception * @param bool $fail_open Set to true to not throw an exception
* *
* @return int (or float if $fail_open) * @return float|int
* @psalm-suppress InvalidReturnType
* *
* @throws TypeError * @throws TypeError
*/ */
function RandomCompat_intval($number, $fail_open = false) function RandomCompat_intval($number, $fail_open = false)
{ {
if (is_numeric($number)) { if (is_int($number) || is_float($number)) {
$number += 0;
} elseif (is_numeric($number)) {
$number += 0; $number += 0;
} }
@ -60,12 +63,13 @@ if (!is_callable('RandomCompat_intval')) {
$number = (int) $number; $number = (int) $number;
} }
if (is_int($number) || $fail_open) { if (is_int($number)) {
return $number; return (int) $number;
} } elseif (!$fail_open) {
throw new TypeError( throw new TypeError(
'Expected an integer.' 'Expected an integer.'
); );
} }
return $number;
}
} }

View file

@ -5,7 +5,7 @@
* *
* The MIT License (MIT) * The MIT License (MIT)
* *
* Copyright (c) 2015 - 2016 Paragon Initiative Enterprises * Copyright (c) 2015 - 2018 Paragon Initiative Enterprises
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy * Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal * of this software and associated documentation files (the "Software"), to deal

View file

@ -3,12 +3,12 @@
* Random_* Compatibility Library * Random_* Compatibility Library
* for using the new PHP 7 random_* API in PHP 5 projects * for using the new PHP 7 random_* API in PHP 5 projects
* *
* @version 2.0.4 * @version 2.0.15
* @released 2016-11-07 * @released 2018-06-08
* *
* The MIT License (MIT) * The MIT License (MIT)
* *
* Copyright (c) 2015 - 2016 Paragon Initiative Enterprises * Copyright (c) 2015 - 2018 Paragon Initiative Enterprises
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy * Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal * of this software and associated documentation files (the "Software"), to deal
@ -44,18 +44,21 @@ if (!defined('PHP_VERSION_ID')) {
/** /**
* PHP 7.0.0 and newer have these functions natively. * PHP 7.0.0 and newer have these functions natively.
*/ */
if (PHP_VERSION_ID < 70000) { if (PHP_VERSION_ID >= 70000) {
if (!defined('RANDOM_COMPAT_READ_BUFFER')) { return;
}
if (!defined('RANDOM_COMPAT_READ_BUFFER')) {
define('RANDOM_COMPAT_READ_BUFFER', 8); define('RANDOM_COMPAT_READ_BUFFER', 8);
} }
$RandomCompatDIR = dirname(__FILE__); $RandomCompatDIR = dirname(__FILE__);
require_once $RandomCompatDIR.'/byte_safe_strings.php'; require_once $RandomCompatDIR . DIRECTORY_SEPARATOR . 'byte_safe_strings.php';
require_once $RandomCompatDIR.'/cast_to_int.php'; require_once $RandomCompatDIR . DIRECTORY_SEPARATOR . 'cast_to_int.php';
require_once $RandomCompatDIR.'/error_polyfill.php'; require_once $RandomCompatDIR . DIRECTORY_SEPARATOR . 'error_polyfill.php';
if (!is_callable('random_bytes')) { if (!is_callable('random_bytes')) {
/** /**
* PHP 5.2.0 - 5.6.x way to implement random_bytes() * PHP 5.2.0 - 5.6.x way to implement random_bytes()
* *
@ -67,16 +70,15 @@ if (PHP_VERSION_ID < 70000) {
* 2. fread() /dev/urandom if available (never on Windows) * 2. fread() /dev/urandom if available (never on Windows)
* 3. mcrypt_create_iv($bytes, MCRYPT_DEV_URANDOM) * 3. mcrypt_create_iv($bytes, MCRYPT_DEV_URANDOM)
* 4. COM('CAPICOM.Utilities.1')->GetRandom() * 4. COM('CAPICOM.Utilities.1')->GetRandom()
* 5. openssl_random_pseudo_bytes() (absolute last resort)
* *
* See RATIONALE.md for our reasoning behind this particular order * See RATIONALE.md for our reasoning behind this particular order
*/ */
if (extension_loaded('libsodium')) { if (extension_loaded('libsodium')) {
// See random_bytes_libsodium.php // See random_bytes_libsodium.php
if (PHP_VERSION_ID >= 50300 && is_callable('\\Sodium\\randombytes_buf')) { if (PHP_VERSION_ID >= 50300 && is_callable('\\Sodium\\randombytes_buf')) {
require_once $RandomCompatDIR.'/random_bytes_libsodium.php'; require_once $RandomCompatDIR . DIRECTORY_SEPARATOR . 'random_bytes_libsodium.php';
} elseif (method_exists('Sodium', 'randombytes_buf')) { } elseif (method_exists('Sodium', 'randombytes_buf')) {
require_once $RandomCompatDIR.'/random_bytes_libsodium_legacy.php'; require_once $RandomCompatDIR . DIRECTORY_SEPARATOR . 'random_bytes_libsodium_legacy.php';
} }
} }
@ -115,7 +117,7 @@ if (PHP_VERSION_ID < 70000) {
// place, that is not helpful to us here. // place, that is not helpful to us here.
// See random_bytes_dev_urandom.php // See random_bytes_dev_urandom.php
require_once $RandomCompatDIR.'/random_bytes_dev_urandom.php'; require_once $RandomCompatDIR . DIRECTORY_SEPARATOR . 'random_bytes_dev_urandom.php';
} }
// Unset variables after use // Unset variables after use
$RandomCompat_basedir = null; $RandomCompat_basedir = null;
@ -129,7 +131,6 @@ if (PHP_VERSION_ID < 70000) {
* We only want to use mcypt_create_iv() if: * We only want to use mcypt_create_iv() if:
* *
* - random_bytes() hasn't already been defined * - random_bytes() hasn't already been defined
* - PHP >= 5.3.7
* - the mcrypt extensions is loaded * - the mcrypt extensions is loaded
* - One of these two conditions is true: * - One of these two conditions is true:
* - We're on Windows (DIRECTORY_SEPARATOR !== '/') * - We're on Windows (DIRECTORY_SEPARATOR !== '/')
@ -139,23 +140,26 @@ if (PHP_VERSION_ID < 70000) {
* - If we're not on Windows, but the PHP version is between * - 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 * 5.6.10 and 5.6.12, we don't want to use mcrypt. It will
* hang indefinitely. This is bad. * 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 ( if (
!is_callable('random_bytes') !is_callable('random_bytes')
&& &&
PHP_VERSION_ID >= 50307 // 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') extension_loaded('mcrypt')
) {
// 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 // See random_bytes_mcrypt.php
require_once $RandomCompatDIR.'/random_bytes_mcrypt.php'; require_once $RandomCompatDIR . DIRECTORY_SEPARATOR . 'random_bytes_mcrypt.php';
}
} }
$RandomCompatUrandom = null; $RandomCompatUrandom = null;
@ -180,7 +184,7 @@ if (PHP_VERSION_ID < 70000) {
$RandomCompatCOMtest = new COM('CAPICOM.Utilities.1'); $RandomCompatCOMtest = new COM('CAPICOM.Utilities.1');
if (method_exists($RandomCompatCOMtest, 'GetRandom')) { if (method_exists($RandomCompatCOMtest, 'GetRandom')) {
// See random_bytes_com_dotnet.php // See random_bytes_com_dotnet.php
require_once $RandomCompatDIR.'/random_bytes_com_dotnet.php'; require_once $RandomCompatDIR . DIRECTORY_SEPARATOR . 'random_bytes_com_dotnet.php';
} }
} catch (com_exception $e) { } catch (com_exception $e) {
// Don't try to use it. // Don't try to use it.
@ -197,19 +201,26 @@ if (PHP_VERSION_ID < 70000) {
/** /**
* We don't have any more options, so let's throw an exception right now * 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. * and hope the developer won't let it fail silently.
*
* @param mixed $length
* @psalm-suppress MissingReturnType
* @psalm-suppress InvalidReturnType
* @throws Exception
* @return string
*/ */
function random_bytes($length) function random_bytes($length)
{ {
unset($length); // Suppress "variable not used" warnings.
throw new Exception( throw new Exception(
'There is no suitable CSPRNG installed on your system' 'There is no suitable CSPRNG installed on your system'
); );
return '';
} }
} }
}
if (!is_callable('random_int')) {
require_once $RandomCompatDIR.'/random_int.php';
}
$RandomCompatDIR = null;
} }
if (!is_callable('random_int')) {
require_once $RandomCompatDIR . DIRECTORY_SEPARATOR . 'random_int.php';
}
$RandomCompatDIR = null;

View file

@ -5,7 +5,7 @@
* *
* The MIT License (MIT) * The MIT License (MIT)
* *
* Copyright (c) 2015 - 2016 Paragon Initiative Enterprises * Copyright (c) 2015 - 2018 Paragon Initiative Enterprises
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy * Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal * of this software and associated documentation files (the "Software"), to deal
@ -55,6 +55,11 @@ if (!is_callable('random_bytes')) {
} }
$buf = ''; $buf = '';
if (!class_exists('COM')) {
throw new Error(
'COM does not exist'
);
}
$util = new COM('CAPICOM.Utilities.1'); $util = new COM('CAPICOM.Utilities.1');
$execCount = 0; $execCount = 0;

View file

@ -5,7 +5,7 @@
* *
* The MIT License (MIT) * The MIT License (MIT)
* *
* Copyright (c) 2015 - 2016 Paragon Initiative Enterprises * Copyright (c) 2015 - 2018 Paragon Initiative Enterprises
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy * Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal * of this software and associated documentation files (the "Software"), to deal
@ -104,33 +104,50 @@ if (!is_callable('random_bytes')) {
* page load. * page load.
*/ */
if (!empty($fp)) { if (!empty($fp)) {
/**
* @var int
*/
$remaining = $bytes; $remaining = $bytes;
/**
* @var string|bool
*/
$buf = ''; $buf = '';
/** /**
* We use fread() in a loop to protect against partial reads * We use fread() in a loop to protect against partial reads
*/ */
do { do {
/**
* @var string|bool
*/
$read = fread($fp, $remaining); $read = fread($fp, $remaining);
if (!is_string($read)) {
if ($read === false) { if ($read === false) {
/** /**
* We cannot safely read from the file. Exit the * We cannot safely read from the file. Exit the
* do-while loop and trigger the exception condition * do-while loop and trigger the exception condition
*
* @var string|bool
*/ */
$buf = false; $buf = false;
break; break;
} }
}
/** /**
* Decrease the number of bytes returned from remaining * Decrease the number of bytes returned from remaining
*/ */
$remaining -= RandomCompat_strlen($read); $remaining -= RandomCompat_strlen($read);
$buf .= $read; /**
* @var string|bool
*/
$buf = $buf . $read;
} while ($remaining > 0); } while ($remaining > 0);
/** /**
* Is our result valid? * Is our result valid?
*/ */
if ($buf !== false) { if (is_string($buf)) {
if (RandomCompat_strlen($buf) === $bytes) { if (RandomCompat_strlen($buf) === $bytes) {
/** /**
* Return our random entropy buffer here: * Return our random entropy buffer here:

View file

@ -5,7 +5,7 @@
* *
* The MIT License (MIT) * The MIT License (MIT)
* *
* Copyright (c) 2015 - 2016 Paragon Initiative Enterprises * Copyright (c) 2015 - 2018 Paragon Initiative Enterprises
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy * Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal * of this software and associated documentation files (the "Software"), to deal

View file

@ -5,7 +5,7 @@
* *
* The MIT License (MIT) * The MIT License (MIT)
* *
* Copyright (c) 2015 - 2016 Paragon Initiative Enterprises * Copyright (c) 2015 - 2018 Paragon Initiative Enterprises
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy * Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal * of this software and associated documentation files (the "Software"), to deal
@ -56,23 +56,27 @@ if (!is_callable('random_bytes')) {
); );
} }
/**
* @var string
*/
$buf = '';
/** /**
* \Sodium\randombytes_buf() doesn't allow more than 2147483647 bytes to be * \Sodium\randombytes_buf() doesn't allow more than 2147483647 bytes to be
* generated in one invocation. * generated in one invocation.
*/ */
if ($bytes > 2147483647) { if ($bytes > 2147483647) {
$buf = '';
for ($i = 0; $i < $bytes; $i += 1073741824) { for ($i = 0; $i < $bytes; $i += 1073741824) {
$n = ($bytes - $i) > 1073741824 $n = ($bytes - $i) > 1073741824
? 1073741824 ? 1073741824
: $bytes - $i; : $bytes - $i;
$buf .= Sodium::randombytes_buf($n); $buf .= Sodium::randombytes_buf((int) $n);
} }
} else { } else {
$buf = Sodium::randombytes_buf($bytes); $buf .= Sodium::randombytes_buf((int) $bytes);
} }
if ($buf !== false) { if (is_string($buf)) {
if (RandomCompat_strlen($buf) === $bytes) { if (RandomCompat_strlen($buf) === $bytes) {
return $buf; return $buf;
} }

View file

@ -5,7 +5,7 @@
* *
* The MIT License (MIT) * The MIT License (MIT)
* *
* Copyright (c) 2015 - 2016 Paragon Initiative Enterprises * Copyright (c) 2015 - 2018 Paragon Initiative Enterprises
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy * Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal * of this software and associated documentation files (the "Software"), to deal

View file

@ -1,11 +1,13 @@
<?php <?php
/**
if (!is_callable('random_int')) {
/**
* Random_* Compatibility Library * Random_* Compatibility Library
* for using the new PHP 7 random_* API in PHP 5 projects * for using the new PHP 7 random_* API in PHP 5 projects
* *
* The MIT License (MIT) * The MIT License (MIT)
* *
* Copyright (c) 2015 - 2016 Paragon Initiative Enterprises * Copyright (c) 2015 - 2018 Paragon Initiative Enterprises
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy * Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal * of this software and associated documentation files (the "Software"), to deal
@ -26,7 +28,7 @@
* SOFTWARE. * SOFTWARE.
*/ */
/** /**
* Fetch a random integer between $min and $max inclusive * Fetch a random integer between $min and $max inclusive
* *
* @param int $min * @param int $min
@ -36,8 +38,8 @@
* *
* @return int * @return int
*/ */
function random_int($min, $max) function random_int($min, $max)
{ {
/** /**
* Type and input logic checks * Type and input logic checks
* *
@ -76,7 +78,7 @@ function random_int($min, $max)
} }
if ($max === $min) { if ($max === $min) {
return $min; return (int) $min;
} }
/** /**
@ -132,6 +134,7 @@ function random_int($min, $max)
$valueShift = $min; $valueShift = $min;
} }
$val = 0;
/** /**
* Now that we have our parameters set up, let's begin generating * Now that we have our parameters set up, let's begin generating
* random integers until one falls between $min and $max * random integers until one falls between $min and $max
@ -151,11 +154,6 @@ function random_int($min, $max)
* Let's grab the necessary number of random bytes * Let's grab the necessary number of random bytes
*/ */
$randomByteString = random_bytes($bytes); $randomByteString = random_bytes($bytes);
if ($randomByteString === false) {
throw new Exception(
'Random number generator failure'
);
}
/** /**
* Let's turn $randomByteString into an integer * Let's turn $randomByteString into an integer
@ -167,7 +165,7 @@ function random_int($min, $max)
* 159 + 27904 + 3276800 + 201326592 => * 159 + 27904 + 3276800 + 201326592 =>
* 204631455 * 204631455
*/ */
$val = 0; $val &= 0;
for ($i = 0; $i < $bytes; ++$i) { for ($i = 0; $i < $bytes; ++$i) {
$val |= ord($randomByteString[$i]) << ($i * 8); $val |= ord($randomByteString[$i]) << ($i * 8);
} }
@ -188,4 +186,5 @@ function random_int($min, $max)
} while (!is_int($val) || $val > $max || $val < $min); } while (!is_int($val) || $val > $max || $val < $min);
return (int) $val; return (int) $val;
}
} }

View file

@ -0,0 +1,9 @@
<?php
require_once 'lib/byte_safe_strings.php';
require_once 'lib/cast_to_int.php';
require_once 'lib/error_polyfill.php';
require_once 'other/ide_stubs/libsodium.php';
require_once 'lib/random.php';
$int = random_int(0, 65536);