301 lines
8.1 KiB
PHP
301 lines
8.1 KiB
PHP
<?php
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/* Constants */
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$salt = '8D896ww348lDSd1';
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$scriptUrl = ((!empty($_SERVER['HTTPS'])) ? 'https' : 'http') . '://' . $_SERVER['SERVER_NAME'] . $_SERVER['PHP_SELF'];
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$baseUrl = 'https://www.campus.rwth-aachen.de/office/';
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$homePath = 'default.asp';
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$loginPath = 'views/campus/redirect.asp';
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$calPath = 'views/calendar/iCalExport.asp';
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$logoutPath = 'system/login/logoff.asp';
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/* Functions */
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function curl_fixcookie($cookieFile) {
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$contents = file_get_contents($cookieFile);
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$lines = explode("\n", $contents);
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foreach ($lines as $i => $line) {
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if (strpos($line, "#HttpOnly_") === 0) {
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$lines[$i] = substr($line, strlen("#HttpOnly_"));
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}
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}
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$contents = implode("\n", $lines);
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file_put_contents($cookieFile, $contents);
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}
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function curl_request($method, $url, $cookieFile = false, $params = array()) {
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$ch = curl_init();
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$options = array(
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CURLOPT_URL => $url,
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CURLOPT_FOLLOWLOCATION => true,
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_HEADER => true
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);
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if ($cookieFile) {
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$options[CURLOPT_COOKIEFILE] = $cookieFile;
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$options[CURLOPT_COOKIEJAR] = $cookieFile;
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}
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array_walk($params, function(&$value, $key) { $value = $key . '=' . $value; });
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if ($params && strtolower($method) == 'post') {
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$options[CURLOPT_POST] = true;
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$options[CURLOPT_POSTFIELDS] = implode("&", $params);
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}
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else if ($params) { /* assuming default mehtod: GET */
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$options[CURLOPT_URL] .= '?' . implode('&', $params);
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}
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curl_setopt_array($ch, $options);
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$output = curl_exec($ch);
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curl_close($ch);
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if ($cookieFile) {
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curl_fixcookie($cookieFile);
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}
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return $output;
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}
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function get_address($db, $room) {
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$result = sqlite_query($db, 'SELECT address FROM rooms WHERE name = "' . sqlite_escape_string($room). '";');
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return ($result && sqlite_valid($result)) ? sqlite_fetch_string($result) : false;
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}
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function set_address($db, $room, $address) {
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sqlite_exec($db, 'INSERT INTO rooms VALUES ("' . sqlite_escape_string($room) . '", "' . sqlite_escape_string($address) . '");', $error);
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}
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function crawl_address($room) {
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$response = curl_request('GET', 'http://www.campus.rwth-aachen.de/rwth/all/room.asp?room=' . urlencode($room));
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$matches = array();
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$r = preg_match("/<td class=\"default\">Geb.udeanschrift<\/td><td class=\"default\">([^<]*)<\/td>/", $response, $matches);
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return ($r > 0) ? $matches[1] : false;
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}
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function error() {
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global $scriptUrl;
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header("HTTP/1.0 500 Internal Server Error");
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echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<html>
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<head>
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<meta http-equiv="REFRESH" content="5;url=' . $scriptUrl . '">
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<link rel="stylesheet" type="text/css" href="style.css">
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<link rel="shortcut icon" href="/favicon.png" type="image/png">
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<link rel="icon" href="/favicon.png" type="image/png">
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</head>
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<body>
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<div id="content"><h2>Sorry an error occured!<br />Check your credentials and try again!</h2></div>
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</body>
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</html>';
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die();
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}
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/* Code */
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if (!empty($_GET['hash'])) {
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$cipher = base64_decode($_GET['hash']);
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if (strpos($cipher, ':')) {
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list($matrnr, $passwd) = explode(':', $cipher);
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}
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}
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else if (!empty($_GET['u']) && !empty($_GET['p'])) {
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$matrnr = $_GET['u'];
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$passwd = $_GET['p'];
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}
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if (isset($matrnr) && isset($passwd)) {
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/* perform login to get session cookie */
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$cookieFile = tempnam('/tmp', 'campus_');
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/* open database */
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$db = sqlite_open('cocal.db');
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$result = sqlite_query($db, "SELECT name FROM sqlite_master WHERE type='table' AND name='rooms';");
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if (!sqlite_valid($result)) {
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sqlite_exec($db, 'CREATE TABLE rooms (name VARCHAR(255), address VARCHAR(255));');
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}
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curl_request('GET', $baseUrl . $homePath, $cookieFile);
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$loginParams = array(
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'login' => urlencode('> Login'),
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'p' => urlencode($passwd),
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'u' => urlencode($matrnr)
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);
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curl_request('POST', $baseUrl . $loginPath, $cookieFile, $loginParams);
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/* request calendar */
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$calParams = array(
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'startdt' => strftime('%d.%m.%Y', time() - 7*24*60*60), /* eine Woche Vergangenheit */
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'enddt' => strftime('%d.%m.%Y', time() + 6*31*24*60*60) /* halbes Jahr ZUukunft */
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);
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$response = curl_request('GET', $baseUrl . $calPath, $cookieFile, $calParams);
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/* filter some changes */
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list($headers, $body) = explode("\r\n\r\n", $response, 2);
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if (substr($body, 0, strlen("BEGIN:VCALENDAR")) != "BEGIN:VCALENDAR") {
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error();
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}
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/* header pass through */
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$headers = array_slice(explode("\r\n", $headers), 1);
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foreach ($headers as $header) {
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list($key, $value) = explode(": ", $header);
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switch($key) {
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case 'Content-Disposition':
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$value = 'attachment; filename=campus_office_' . $matrnr . '.ics';
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break;
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case 'Content-Type':
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$value .= '; charset=utf-8';
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break;
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}
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if ($key != 'Content-Length') { // ignore old length
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header($key . ': ' . $value);
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}
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}
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$location = '';
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$lines = explode("\r\n", $body);
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foreach ($lines as $line) {
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if ($line) {
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list($key, $value) = explode(":", $line);
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switch ($key) {
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case 'END':
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if ($value == 'VEVENT') flush();
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unset($location);
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break;
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case 'LOCATION':
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$location = $value;
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$room = strtok($location, " ");
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$address = get_address($db, $room);
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if ($address === false) {
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$address = preg_replace('/[ ]{2,}/sm', ' ', utf8_encode(crawl_address($room)));
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set_address($db, $room, $address);
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$crawled = true;
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}
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$value = $address . ', Aachen';
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break;
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case 'DESCRIPTION':
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if ($value) $value .= '\n';
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$value .= $location;
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break;
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}
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echo $key . ':' . $value;
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}
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echo "\r\n";
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}
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/* cleanup */
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unlink($cookieFile);
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sqlite_close($db);
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}
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else {
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echo '<?xml version="1.0" ?>';
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?>
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<!DOCTYPE html>
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
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<head>
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<title>/dev/nulll - CampusOffice to Google Sync</title>
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<script src="jquery-1.7.2.min.js" type="text/javascript"></script>
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<script src="scripts.js" type="text/javascript"></script>
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<script src="base64.js" type="text/javascript"></script>
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<script type="text/javascript">
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function unique(length) {
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var chars = "0123456789abcdefghiklmnopqrstuvwxyz";
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var string = '';
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while (length--) {
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var rnum = Math.floor(Math.random() * chars.length);
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string += chars.substring(rnum,rnum+1);
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}
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return string;
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}
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function encode() {
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var cipher = $('#matrnr').val() + ':' + $('#passwd').val();
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var link = '<?php echo $scriptUrl ?>?hash=' + Base64.encode(cipher);
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$.ajax({
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url : 'http://d.0l.de/add.json',
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data : {
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rdata : encodeURI(link),
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host : unique(24),
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type : 'URL',
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pw : $('#passwd').val()
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},
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dataType : 'jsonp',
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success : function(data) {
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$(data).each(function(index, value) {
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if (value.type == 'success' && value.description == 'uri redirection added to db') {
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var host = value.data[0].host.punycode;
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var zone = value.data[0].host.zone.name;
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var link = 'http://' + host + '.' + zone;
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$('#result a').attr('href', link);
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$('#result a').text(link);
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$('#result').show(300);
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}
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});
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}
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});
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}
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</script>
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<link rel="stylesheet" type="text/css" href="style.css">
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<link rel="shortcut icon" href="/favicon.png" type="image/png">
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<link rel="icon" href="/favicon.png" type="image/png">
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</head>
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<body>
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<div id="content">
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<header>
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<a href="http://0l.de"><img src="http://0l.de/_media/nulll_small.png" alt="0l" /></a>
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<h1>CampusOffice to Google Sync</h1>
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</header>
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<table style="width: 330px; margin: 10px auto;">
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<tr>
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<td><label for="matrnr">Matrikel-Nr:</label></td>
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<td><input id="matrnr" type="text" name="u" /></td>
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</tr>
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<tr>
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<td><label for="passwd">Passwort:</label></td>
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<td><input id="passwd" type="password" name="p" /></td>
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</tr>
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</table>
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<input type="button" onclick="encode()" value="Get Calendar!" />
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<p id="result" style="display: none">
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<span>Das ist der fertige Link:</span><br />
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<a href=""></a>
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</p>
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<footer>
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<p>by <a href="http://www.steffenvogel.de">Steffen Vogel</a> - <a href="http://0l.de/tools/campus">help</a></p>
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</footer>
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</div>
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</body>
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</html>
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<?php
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}
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?>
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