From 8b0f478842a14b18d177464adaa8ad6b37f44237 Mon Sep 17 00:00:00 2001 From: Petr Skoda Date: Sun, 23 Oct 2011 11:35:46 +0200 Subject: [PATCH] MDL-29884 remove unused base32 lib --- lib/base32.php | 196 ----------------------------------------- lib/thirdpartylibs.xml | 7 -- 2 files changed, 203 deletions(-) delete mode 100644 lib/base32.php diff --git a/lib/base32.php b/lib/base32.php deleted file mode 100644 index 831c71215fc..00000000000 --- a/lib/base32.php +++ /dev/null @@ -1,196 +0,0 @@ - | -// | Arjan Wekking | -// | Martin Langhoff | -// +----------------------------------------------------------------------+ -// - -/** - * @package moodlecore - * @copyright (c) 2001 The PHP Group - * @license GNU GPL v2.0 http://www.php.net/license/2_02.txt - */ - -/** - * Base32 encode a binary string - * - * @param $inString Binary string to base32 encode - * - * @return $outString Base32 encoded $inString - * - * @access private - * - */ - -function base32_encode ($inString) -{ - $outString = ""; - $compBits = ""; - $BASE32_TABLE = array( - '00000' => 0x61, - '00001' => 0x62, - '00010' => 0x63, - '00011' => 0x64, - '00100' => 0x65, - '00101' => 0x66, - '00110' => 0x67, - '00111' => 0x68, - '01000' => 0x69, - '01001' => 0x6a, - '01010' => 0x6b, - '01011' => 0x6c, - '01100' => 0x6d, - '01101' => 0x6e, - '01110' => 0x6f, - '01111' => 0x70, - '10000' => 0x71, - '10001' => 0x72, - '10010' => 0x73, - '10011' => 0x74, - '10100' => 0x75, - '10101' => 0x76, - '10110' => 0x77, - '10111' => 0x78, - '11000' => 0x79, - '11001' => 0x7a, - '11010' => 0x32, - '11011' => 0x33, - '11100' => 0x34, - '11101' => 0x35, - '11110' => 0x36, - '11111' => 0x37, - ); - - /* Turn the compressed string into a string that represents the bits as 0 and 1. */ - for ($i = 0; $i < strlen($inString); $i++) { - $compBits .= str_pad(decbin(ord(substr($inString,$i,1))), 8, '0', STR_PAD_LEFT); - } - - /* Pad the value with enough 0's to make it a multiple of 5 */ - if((strlen($compBits) % 5) != 0) { - $compBits = str_pad($compBits, strlen($compBits)+(5-(strlen($compBits)%5)), '0', STR_PAD_RIGHT); - } - - /* Create an array by chunking it every 5 chars */ - $fiveBitsArray = explode("\n",rtrim(chunk_split($compBits, 5, "\n"))); - - /* Look-up each chunk and add it to $outstring */ - foreach($fiveBitsArray as $fiveBitsString) { - $outString .= chr($BASE32_TABLE[$fiveBitsString]); - } - - return $outString; -} - - - -/** - * Base32 decode to a binary string - * - * @param $inString String to base32 decode - * - * @return $outString Base32 decoded $inString - * - * @access private - * - */ - -function Base32_decode($inString) { - /* declaration */ - $inputCheck = null; - $deCompBits = null; - - $BASE32_TABLE = array( - 0x61 => '00000', - 0x62 => '00001', - 0x63 => '00010', - 0x64 => '00011', - 0x65 => '00100', - 0x66 => '00101', - 0x67 => '00110', - 0x68 => '00111', - 0x69 => '01000', - 0x6a => '01001', - 0x6b => '01010', - 0x6c => '01011', - 0x6d => '01100', - 0x6e => '01101', - 0x6f => '01110', - 0x70 => '01111', - 0x71 => '10000', - 0x72 => '10001', - 0x73 => '10010', - 0x74 => '10011', - 0x75 => '10100', - 0x76 => '10101', - 0x77 => '10110', - 0x78 => '10111', - 0x79 => '11000', - 0x7a => '11001', - 0x32 => '11010', - 0x33 => '11011', - 0x34 => '11100', - 0x35 => '11101', - 0x36 => '11110', - 0x37 => '11111', - ); - - /* Step 1 */ - $inputCheck = strlen($inString) % 8; - if(($inputCheck == 1)||($inputCheck == 3)||($inputCheck == 6)) { - trigger_error('input to Base32Decode was a bad mod length: '.$inputCheck); - return false; - //return $this->raiseError('input to Base32Decode was a bad mod length: '.$inputCheck, null, - // PEAR_ERROR_DIE, null, null, 'Net_RACE_Error', false ); - } - - /* $deCompBits is a string that represents the bits as 0 and 1.*/ - for ($i = 0; $i < strlen($inString); $i++) { - $inChar = ord(substr($inString,$i,1)); - if(isset($BASE32_TABLE[$inChar])) { - $deCompBits .= $BASE32_TABLE[$inChar]; - } else { - trigger_error('input to Base32Decode had a bad character: '.$inChar); - return false; - //return $this->raiseError('input to Base32Decode had a bad character: '.$inChar, null, - // PEAR_ERROR_DIE, null, null, 'Net_RACE_Error', false ); - } - } - - /* Step 5 */ - $padding = strlen($deCompBits) % 8; - $paddingContent = substr($deCompBits, (strlen($deCompBits) - $padding)); - if(substr_count($paddingContent, '1')>0) { - trigger_error('found non-zero padding in Base32Decode'); - return false; - //return $this->raiseError('found non-zero padding in Base32Decode', null, - // PEAR_ERROR_DIE, null, null, 'Net_RACE_Error', false ); - } - - /* Break the decompressed string into octets for returning */ - $deArr = array(); - for($i = 0; $i < (int)(strlen($deCompBits) / 8); $i++) { - $deArr[$i] = chr(bindec(substr($deCompBits, $i*8, 8))); - } - - $outString = join('',$deArr); - - return $outString; -} diff --git a/lib/thirdpartylibs.xml b/lib/thirdpartylibs.xml index 0acdd8fad8d..c825355aae8 100644 --- a/lib/thirdpartylibs.xml +++ b/lib/thirdpartylibs.xml @@ -252,13 +252,6 @@ 2.0+ - - base32.php - Base32 Library - GPL/PHP - - 2.0+/2.0.2 - odbc.php ODBC server/client -- 2.17.1