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<?php
/*
ics.php "reverse-proxy"
Copyright (C) 2011 Yves Fischer (i08005)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
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/>.
*/
$proxy_url = "https://dualical.ba-horb.de:8443/dhbwcalendar/ics";
$curl_handler = curl_init($proxy_url);
curl_setopt($curl_handler, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl_handler, CURLOPT_BINARYTRANSFER, true);
curl_setopt($curl_handler, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);
curl_setopt($curl_handler, CURLOPT_WRITEFUNCTION, 'readResponse');
curl_setopt($curl_handler, CURLOPT_HEADERFUNCTION, 'readHeaders');
curl_setopt($curl_handler, CURLOPT_SSLVERSION, 3);
curl_setopt($curl_handler, CURLOPT_CAINFO, getcwd() . "/ics_certificate.pem");
curl_setopt($curl_handler, CURLOPT_SSL_VERIFYPEER, 1);
curl_setopt($curl_handler, CURLOPT_VERBOSE, 0);
function readResponse(&$curl, $string) {
echo $string;
return strlen($string);
}
function readHeaders(&$curl, $string) {
$length = strlen($string);
if ($string !== "\r\n") {
header(rtrim($string));
}
return $length;
}
$headers = apache_request_headers();
$client_headers = array();
foreach ($headers as $header => $value) {
switch($header) {
case 'Host':
break;
default:
$client_headers[] = sprintf('%s: %s', $header, $value);
break;
}
}
curl_setopt($curl_handler, CURLOPT_HTTPHEADER, $client_headers);
curl_exec($curl_handler);
//echo print_r(curl_getinfo($curl_handler), true);
?>
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