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Revert [34922] pending PHP 5.2 compatibility.
See #28633 Built from https://develop.svn.wordpress.org/trunk@34924 git-svn-id: http://core.svn.wordpress.org/trunk@34889 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -332,8 +332,3 @@ if ( ! interface_exists( 'JsonSerializable' ) ) {
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public function jsonSerialize();
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public function jsonSerialize();
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}
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}
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}
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}
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// random_int was introduced in PHP 7.0
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if ( ! function_exists( 'random_int' ) ) {
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require ABSPATH . WPINC . '/random_compat/random.php';
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}
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@ -2132,11 +2132,9 @@ if ( !function_exists('wp_rand') ) :
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* Generates a random number
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* Generates a random number
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*
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*
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* @since 2.6.2
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* @since 2.6.2
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* @since 4.4 Uses PHP7 random_int() or the random_compat library if avaialble.
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*
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*
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* @global string $rnd_value
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* @global string $rnd_value
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* @staticvar string $seed
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* @staticvar string $seed
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* @staticvar bool $external_rand_source_available
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*
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*
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* @param int $min Lower limit for the generated number
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* @param int $min Lower limit for the generated number
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* @param int $max Upper limit for the generated number
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* @param int $max Upper limit for the generated number
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@ -2145,34 +2143,6 @@ if ( !function_exists('wp_rand') ) :
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function wp_rand( $min = 0, $max = 0 ) {
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function wp_rand( $min = 0, $max = 0 ) {
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global $rnd_value;
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global $rnd_value;
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// Some misconfigured 32bit environments (Entropy PHP, for example) truncate integers larger than PHP_INT_MAX to PHP_INT_MAX rather than overflowing them to floats.
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$max_random_number = 3000000000 === 2147483647 ? (float) "4294967295" : 4294967295; // 4294967295 = 0xffffffff
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// We only handle Ints, floats are truncated to their integer value.
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$min = (int) $min;
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$max = (int) $max;
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// Use PHP's CSPRNG, or a compatible method
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static $use_random_int_functionality = true;
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if ( $use_random_int_functionality ) {
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try {
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$_max = ( 0 != $max ) ? $max : $max_random_number;
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// wp_rand() can accept arguements in either order, PHP cannot.
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$_max = max( $min, $_max );
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$_min = min( $min, $_max );
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$val = random_int( $_min, $_max );
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if ( false !== $val ) {
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return absint( $val );
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} else {
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$use_random_int_functionality = false;
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}
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} catch ( Throwable $t ) {
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$use_random_int_functionality = false;
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} catch ( Exception $e ) {
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$use_random_int_functionality = false;
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}
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}
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// Reset $rnd_value after 14 uses
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// Reset $rnd_value after 14 uses
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// 32(md5) + 40(sha1) + 40(sha1) / 8 = 14 random numbers from $rnd_value
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// 32(md5) + 40(sha1) + 40(sha1) / 8 = 14 random numbers from $rnd_value
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if ( strlen($rnd_value) < 8 ) {
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if ( strlen($rnd_value) < 8 ) {
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@ -2197,6 +2167,9 @@ function wp_rand( $min = 0, $max = 0 ) {
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$value = abs(hexdec($value));
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$value = abs(hexdec($value));
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// Some misconfigured 32bit environments (Entropy PHP, for example) truncate integers larger than PHP_INT_MAX to PHP_INT_MAX rather than overflowing them to floats.
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$max_random_number = 3000000000 === 2147483647 ? (float) "4294967295" : 4294967295; // 4294967295 = 0xffffffff
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// Reduce the value to be within the min - max range
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// Reduce the value to be within the min - max range
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if ( $max != 0 )
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if ( $max != 0 )
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$value = $min + ( $max - $min + 1 ) * $value / ( $max_random_number + 1 );
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$value = $min + ( $max - $min + 1 ) * $value / ( $max_random_number + 1 );
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@ -1,154 +0,0 @@
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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 (defined('MB_OVERLOAD_STRING') && ini_get('mbstring.func_overload') & MB_OVERLOAD_STRING) {
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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 (defined('MB_OVERLOAD_STRING') && ini_get('mbstring.func_overload') & MB_OVERLOAD_STRING) {
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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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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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@ -1,56 +0,0 @@
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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 (!interface_exists('Throwable', false)) {
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interface Throwable
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{
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public function getMessage();
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public function getCode();
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public function getFile();
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public function getLine();
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public function getTrace();
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public function getTraceAsString();
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public function getPrevious();
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public function __toString();
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}
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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 implements Throwable
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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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@ -1,83 +0,0 @@
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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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* 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,
|
|
||||||
* 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
|
|
||||||
* 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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$version = explode('.', PHP_VERSION);
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define('PHP_VERSION_ID', ($version[0] * 10000 + $version[1] * 100 + $version[2]));
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}
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if (PHP_VERSION_ID < 70000) {
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if (!defined('RANDOM_COMPAT_READ_BUFFER')) {
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define('RANDOM_COMPAT_READ_BUFFER', 8);
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}
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require_once "byte_safe_strings.php";
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require_once "error_polyfill.php";
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if (!function_exists('random_bytes')) {
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/**
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* PHP 5.2.0 - 5.6.x way to implement random_bytes()
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*
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* We use conditional statements here to define the function in accordance
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* to the operating environment. It's a micro-optimization.
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*
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* In order of preference:
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* 1. fread() /dev/urandom if available
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* 2. mcrypt_create_iv($bytes, MCRYPT_CREATE_IV)
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* 3. COM('CAPICOM.Utilities.1')->GetRandom()
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* 4. openssl_random_pseudo_bytes()
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*
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* See ERRATA.md for our reasoning behind this particular order
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*/
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if (!ini_get('open_basedir') && is_readable('/dev/urandom')) {
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// See random_bytes_dev_urandom.php
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require_once "random_bytes_dev_urandom.php";
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} elseif (PHP_VERSION_ID >= 50307 && function_exists('mcrypt_create_iv')) {
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// See random_bytes_mcrypt.php
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require_once "random_bytes_mcrypt.php";
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} elseif (extension_loaded('com_dotnet')) {
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// See random_bytes_com_dotnet.php
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require_once "random_bytes_com_dotnet.php";
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} elseif (function_exists('openssl_random_pseudo_bytes')) {
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// See random_bytes_openssl.php
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require_once "random_bytes_openssl.php";
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} else {
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/**
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* We don't have any more options, so let's throw an exception right now
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* and hope the developer won't let it fail silently.
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*/
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function random_bytes()
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{
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throw new Exception(
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'There is no suitable CSPRNG installed on your system'
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);
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}
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}
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}
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if (!function_exists('random_int')) {
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require_once "random_int.php";
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}
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}
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@ -1,75 +0,0 @@
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<?php
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/**
|
|
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* 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)
|
|
||||||
{
|
|
||||||
if (!is_int($bytes)) {
|
|
||||||
throw new TypeError(
|
|
||||||
'Length must be an integer'
|
|
||||||
);
|
|
||||||
}
|
|
||||||
if ($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(
|
|
||||||
'PHP failed to generate random data.'
|
|
||||||
);
|
|
||||||
}
|
|
@ -1,135 +0,0 @@
|
|||||||
<?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);
|
|
||||||
$fp = false;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
/**
|
|
||||||
* stream_set_read_buffer() does not exist in HHVM
|
|
||||||
*
|
|
||||||
* If we don't set the stream's read buffer to 0, PHP will
|
|
||||||
* internally buffer 8192 bytes, which can waste entropy
|
|
||||||
*
|
|
||||||
* stream_set_read_buffer returns 0 on success
|
|
||||||
*/
|
|
||||||
if (!empty($fp) && function_exists('stream_set_read_buffer')) {
|
|
||||||
stream_set_read_buffer($fp, RANDOM_COMPAT_READ_BUFFER);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if (!is_int($bytes)) {
|
|
||||||
throw new TypeError(
|
|
||||||
'Length 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(
|
|
||||||
'PHP failed to generate random data.'
|
|
||||||
);
|
|
||||||
}
|
|
@ -1,70 +0,0 @@
|
|||||||
<?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)
|
|
||||||
{
|
|
||||||
if (!is_int($bytes)) {
|
|
||||||
throw new TypeError(
|
|
||||||
'Length must be an integer'
|
|
||||||
);
|
|
||||||
}
|
|
||||||
if ($bytes < 1) {
|
|
||||||
throw new Error(
|
|
||||||
'Length must be greater than 0'
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
$buf = mcrypt_create_iv($bytes, MCRYPT_DEV_URANDOM);
|
|
||||||
if ($buf !== false) {
|
|
||||||
if (RandomCompat_strlen($buf) === $bytes) {
|
|
||||||
/**
|
|
||||||
* Return our random entropy buffer here:
|
|
||||||
*/
|
|
||||||
return $buf;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
/**
|
|
||||||
* If we reach here, PHP has failed us.
|
|
||||||
*/
|
|
||||||
throw new Exception(
|
|
||||||
'PHP failed to generate random data.'
|
|
||||||
);
|
|
||||||
}
|
|
@ -1,74 +0,0 @@
|
|||||||
<?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.
|
|
||||||
*/
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Since openssl_random_pseudo_bytes() uses openssl's
|
|
||||||
* RAND_pseudo_bytes() API, which has been marked as deprecated by the
|
|
||||||
* OpenSSL team, this is our last resort before failure.
|
|
||||||
*
|
|
||||||
* @ref https://www.openssl.org/docs/crypto/RAND_bytes.html
|
|
||||||
*
|
|
||||||
* @param int $bytes
|
|
||||||
*
|
|
||||||
* @throws Exception
|
|
||||||
*
|
|
||||||
* @return string
|
|
||||||
*/
|
|
||||||
function random_bytes($bytes)
|
|
||||||
{
|
|
||||||
if (!is_int($bytes)) {
|
|
||||||
throw new TypeError(
|
|
||||||
'Length must be an integer'
|
|
||||||
);
|
|
||||||
}
|
|
||||||
if ($bytes < 1) {
|
|
||||||
throw new Error(
|
|
||||||
'Length must be greater than 0'
|
|
||||||
);
|
|
||||||
}
|
|
||||||
$secure = true;
|
|
||||||
/**
|
|
||||||
* $secure is passed by reference. If it's set to false, fail. Note
|
|
||||||
* that this will only return false if this function fails to return
|
|
||||||
* any data.
|
|
||||||
*
|
|
||||||
* @ref https://github.com/paragonie/random_compat/issues/6#issuecomment-119564973
|
|
||||||
*/
|
|
||||||
$buf = openssl_random_pseudo_bytes($bytes, $secure);
|
|
||||||
if ($buf !== false && $secure) {
|
|
||||||
if (RandomCompat_strlen($buf) === $bytes) {
|
|
||||||
return $buf;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
/**
|
|
||||||
* If we reach here, PHP has failed us.
|
|
||||||
*/
|
|
||||||
throw new Exception(
|
|
||||||
'PHP failed to generate random data.'
|
|
||||||
);
|
|
||||||
}
|
|
@ -1,172 +0,0 @@
|
|||||||
<?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, $max)
|
|
||||||
{
|
|
||||||
/**
|
|
||||||
* Type and input logic checks
|
|
||||||
*/
|
|
||||||
if (!is_numeric($min)) {
|
|
||||||
throw new TypeError(
|
|
||||||
'random_int(): $min must be an integer'
|
|
||||||
);
|
|
||||||
}
|
|
||||||
if (!is_numeric($max)) {
|
|
||||||
throw new TypeError(
|
|
||||||
'random_int(): $max must be an integer'
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
$min = (int) $min;
|
|
||||||
$max = (int) $max;
|
|
||||||
|
|
||||||
if ($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 $int,
|
|
||||||
* then try again.
|
|
||||||
*/
|
|
||||||
} while (!is_int($val) || $val > $max || $val < $min);
|
|
||||||
return (int) $val;
|
|
||||||
}
|
|
@ -4,7 +4,7 @@
|
|||||||
*
|
*
|
||||||
* @global string $wp_version
|
* @global string $wp_version
|
||||||
*/
|
*/
|
||||||
$wp_version = '4.4-alpha-34923';
|
$wp_version = '4.4-alpha-34924';
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
|
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
|
||||||
|
Loading…
Reference in New Issue
Block a user