/usr/share/z-push/lib/utils/compat.php is in z-push-common 2.3.8-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/***********************************************
* File : compat.php
* Project : Z-Push
* Descr : Help function for files
*
* Created : 01.10.2007
*
* Copyright 2007 - 2016 Zarafa Deutschland GmbH
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Consult LICENSE file for details
************************************************/
if (!function_exists("quoted_printable_encode")) {
/**
* Process a string to fit the requirements of RFC2045 section 6.7. Note that
* this works, but replaces more characters than the minimum set. For readability
* the spaces and CRLF pairs aren't encoded though.
*
* @param string $string string to be encoded
*
* @see http://www.php.net/manual/en/function.quoted-printable-decode.php#89417
*/
function quoted_printable_encode($string) {
return preg_replace('/[^\r\n]{73}[^=\r\n]{2}/', "$0=\n", str_replace(array('%20', '%0D%0A', '%'), array(' ', "\r\n", '='), rawurlencode($string)));
}
}
if (!function_exists("apache_request_headers")) {
/**
* When using other webservers or using php as cgi in apache
* the function apache_request_headers() is not available.
* This function parses the environment variables to extract
* the necessary headers for Z-Push
*/
function apache_request_headers() {
$headers = array();
foreach ($_SERVER as $key => $value)
if (substr($key, 0, 5) == 'HTTP_')
$headers[strtr(substr($key, 5), '_', '-')] = $value;
return $headers;
}
}
if (!function_exists("hex2bin")) {
/**
* Complementary function to bin2hex() which converts a hex entryid to a binary entryid.
* Since PHP 5.4 an internal hex2bin() implementation is available.
*
* @param string $data the hexadecimal string
*
* @returns string
*/
function hex2bin($data) {
return pack("H*", $data);
}
}
if (!function_exists('http_response_code')) {
/**
* http_response_code does not exists in PHP < 5.4
* http://php.net/manual/en/function.http-response-code.php
*/
function http_response_code($code = NULL) {
if ($code !== NULL) {
switch ($code) {
case 100: $text = 'Continue'; break;
case 101: $text = 'Switching Protocols'; break;
case 200: $text = 'OK'; break;
case 201: $text = 'Created'; break;
case 202: $text = 'Accepted'; break;
case 203: $text = 'Non-Authoritative Information'; break;
case 204: $text = 'No Content'; break;
case 205: $text = 'Reset Content'; break;
case 206: $text = 'Partial Content'; break;
case 300: $text = 'Multiple Choices'; break;
case 301: $text = 'Moved Permanently'; break;
case 302: $text = 'Moved Temporarily'; break;
case 303: $text = 'See Other'; break;
case 304: $text = 'Not Modified'; break;
case 305: $text = 'Use Proxy'; break;
case 400: $text = 'Bad Request'; break;
case 401: $text = 'Unauthorized'; break;
case 402: $text = 'Payment Required'; break;
case 403: $text = 'Forbidden'; break;
case 404: $text = 'Not Found'; break;
case 405: $text = 'Method Not Allowed'; break;
case 406: $text = 'Not Acceptable'; break;
case 407: $text = 'Proxy Authentication Required'; break;
case 408: $text = 'Request Time-out'; break;
case 409: $text = 'Conflict'; break;
case 410: $text = 'Gone'; break;
case 411: $text = 'Length Required'; break;
case 412: $text = 'Precondition Failed'; break;
case 413: $text = 'Request Entity Too Large'; break;
case 414: $text = 'Request-URI Too Large'; break;
case 415: $text = 'Unsupported Media Type'; break;
case 500: $text = 'Internal Server Error'; break;
case 501: $text = 'Not Implemented'; break;
case 502: $text = 'Bad Gateway'; break;
case 503: $text = 'Service Unavailable'; break;
case 504: $text = 'Gateway Time-out'; break;
case 505: $text = 'HTTP Version not supported'; break;
default:
exit('Unknown http status code "' . htmlentities($code) . '"');
break;
}
$protocol = (isset($_SERVER['SERVER_PROTOCOL']) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0');
header($protocol . ' ' . $code . ' ' . $text);
$GLOBALS['http_response_code'] = $code;
} else {
$code = (isset($GLOBALS['http_response_code']) ? $GLOBALS['http_response_code'] : 200);
}
return $code;
}
}
if (!function_exists('memory_get_peak_usage')) {
/**
* memory_get_peak_usage is not available prior to PHP 5.2.
* This complementary function will return the value of memory_get_usage();
* @see http://php.net/manual/en/function.memory-get-usage.php
* @see http://php.net/manual/en/function.memory-get-peak-usage.php
*
* @param boolean $real_usage
*/
function memory_get_peak_usage($real_usage = false) {
ZLog::Write(LOGLEVEL_DEBUG, "memory_get_peak_usage() is not available on this system. The value of memory_get_usage() will be used.");
return memory_get_usage();
}
}
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