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58 lines
1.0 KiB
PHP
58 lines
1.0 KiB
PHP
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<?php
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/**
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* SASL Mechanisms
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* @package SASL
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* @author Fredrik Haugbergsmyr <smtp.lib@lagnut.net>
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*/
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$rootpath = './';
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require_once ($rootpath . 'include/smtp/net.const.php');
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/**
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* @version 0.0.1
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* @access public
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* @todo phpdoc
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*/
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class sasl
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{
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function _hmac_md5($key, $data)
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{
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if (strlen($key) > 64) {
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$key = pack('H32', md5($key));
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}
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if (strlen($key) < 64) {
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$key = str_pad($key, 64, chr(0));
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}
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$k_ipad = substr($key, 0, 64) ^ str_repeat(chr(0x36), 64);
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$k_opad = substr($key, 0, 64) ^ str_repeat(chr(0x5C), 64);
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$inner = pack('H32', md5($k_ipad . $data));
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$digest = md5($k_opad . $inner);
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return $digest;
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}
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function cram_md5($user, $pass, $challenge)
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{
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var_dump($challenge);
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$chall = base64_decode($challenge);
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var_dump($chall);
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return base64_encode(sprintf('%s %s', $user, $this->_hmac_md5($pass, $chall)));
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}
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function plain($username, $password)
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{
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return base64_encode(sprintf('%c%s%c%s', 0, $username, 0, $password));
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}
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function login($input)
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{
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return base64_encode(sprintf('%s', $input));
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}
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}
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?>
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