From 5bf66662a9bdd62c5bccab15e607cd95cfb8fcab Mon Sep 17 00:00:00 2001 From: Charles Cabergs Date: Mon, 27 Jul 2020 10:05:23 +0200 Subject: Removed wordpress and phpmyadmin, my server doesn't handle it well and it brings shame on my familly --- .../wp-includes/random_compat/random_int.php | 190 --------------------- 1 file changed, 190 deletions(-) delete mode 100644 srcs/wordpress/wp-includes/random_compat/random_int.php (limited to 'srcs/wordpress/wp-includes/random_compat/random_int.php') diff --git a/srcs/wordpress/wp-includes/random_compat/random_int.php b/srcs/wordpress/wp-includes/random_compat/random_int.php deleted file mode 100644 index 5b2143a..0000000 --- a/srcs/wordpress/wp-includes/random_compat/random_int.php +++ /dev/null @@ -1,190 +0,0 @@ - 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 (int) $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; - } - - $val = 0; - /** - * 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); - - /** - * 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; - } -} -- cgit