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<?php
chdir('..');
require_once 'config.php';
/*
Header('Content-Type: text/plain; charset=utf-8');
die( json_encode($_SERVER, JSON_PRETTY_PRINT) );
// */
// Autoload classes from ./inc which adhere to naming scheme <lowercasename>.inc.php
function slxAutoloader($class)
{
$file = 'inc/' . preg_replace('/[^a-z0-9]/', '', mb_strtolower($class)) . '.inc.php';
if (!file_exists($file))
return;
require_once $file;
}
spl_autoload_register('slxAutoloader');
$response = array();
if (empty($_SERVER['persistent-id'])) {
// No persistent id given, should not happen!
$response['status'] = 'error';
$response['error'] = 'Shibboleth meta data missing!';
@file_put_contents('/tmp/shib-' . time() . '-' . $_SERVER['REMOTE_ADDR'] . '.txt', print_r($_SERVER, true));
} else {
// Query database for user
$shibId = md5($_SERVER['persistent-id']);
$user = Database::queryFirst("SELECT user.userid, user.organizationid, user.firstname, user.lastname, user.email "
. " FROM user "
. " INNER JOIN organization USING (organizationid) "
. " WHERE user.shibid = :shibid LIMIT 1", array('shibid' => $shibId));
// Figure out role
if (strpos(";{$_SERVER['entitlement']};", ';http://bwidm.de/entitlement/bwLehrpool;') !== false) {
$role = 'TUTOR';
} else if (strpos(";{$_SERVER['affiliation']};", ';employee@') !== false
|| strpos(";{$_SERVER['affiliation']};", ';staff@') !== false
|| strpos(";{$_SERVER['affiliation']};", ';faculty@') !== false) {
$role = 'TUTOR';
} else {
@file_put_contents('/tmp/shib-' . time() . '-' . $_SERVER['REMOTE_ADDR'] . '.txt', print_r($_SERVER, true));
$role = 'STUDENT';
}
if ($user === false) {
// Not found, so we don't know which satellite to use
if ($role === 'STUDENT') {
$response['status'] = 'ok';
if (isset($_SERVER['givenName'])) {
$response['firstName'] = $_SERVER['givenName'];
}
if (isset($_SERVER['sn'])) {
$response['lastName'] = $_SERVER['sn'];
}
if (isset($_SERVER['mail'])) {
$response['mail'] = $_SERVER['mail'];
}
$response['userId'] = $shibId;
preg_match('/(^|;)[^@]+@([^;]+)/', $_SERVER['affiliation'], $out);
$out = Database::queryFirst("SELECT organizationid FROM organization_suffix WHERE suffix = :suffix", array(
'suffix' => $out[2]
));
if ($out !== false) {
$response['organizationId'] = $out['organizationid'];
}
// This one we send to the running master server handler
$rpc = $response;
$rpc['role'] = $role;
// This one we only send to the user
$response['satellites'] = $sat1;
$response['satellites2'] = $sat2;
} else {
$response['status'] = 'unregistered';
}
$response['id'] = $shibId;
$response['url'] = 'https://bwlp-masterserver.ruf.uni-freiburg.de/webif/';
} else {
// Found, see if we got personal information, either temporarily through metadata, or from database
$firstName = $user['firstname'];
$lastName = $user['lastname'];
$mail = $user['email'];
if (empty($firstName) && isset($_SERVER['givenName']))
$firstName = trim($_SERVER['givenName']);
if (empty($lastName) && isset($_SERVER['sn']))
$lastName = trim($_SERVER['sn']);
if (empty($mail) && isset($_SERVER['mail']))
$mail = trim($_SERVER['mail']);
//
$login = (empty($user['userid']) ? $shibId : $user['userid'] );
if (empty($firstName) || empty($lastName) || empty($login)) {
// This means the user did not provide personal information on signup, nor does the IdP send them
$response['status'] = 'anonymous';
} else {
// Seems ok!
// Determine satellite(s)
$res = Database::simpleQuery("SELECT satellitename, addresses, certsha256 FROM satellite"
. " WHERE organizationid = :organizationid AND userid IS NULL", array('organizationid' => $user['organizationid']));
$sat1 = array(); // Legacy
$sat2 = array();
while ($row = $res->fetch(PDO::FETCH_ASSOC)) {
$addrs = json_decode($row['addresses'], true);
if (!is_array($addrs) || empty($addrs))
continue;
$sat1[$row['satellitename']] = $addrs[0];
$sat2[$row['satellitename']] = array(
'addresses' => $addrs,
'certHash' => $row['certsha256']
);
}
//
$response['status'] = 'ok';
$response['firstName'] = $firstName;
$response['lastName'] = $lastName;
$response['mail'] = $mail;
$response['userId'] = $user['userid'];
$response['organizationId'] = $user['organizationid'];
// This one we send to the running master server handler
$rpc = $response;
$rpc['userId'] = $login;
$rpc['role'] = $role;
// This one we only send to the user
$response['satellites'] = $sat1;
$response['satellites2'] = $sat2;
}
}
}
if (isset($rpc)) {
$reply = RPC::submit($rpc);
if (preg_match('/^TOKEN:(\w+) SESSIONID:(\w+)$/', $reply, $out)) {
$response['token'] = $out[1];
$response['sessionId'] = $out[2];
} else {
if (empty($rpc['mail'])) {
$reply .= ' (No email given)';
}
if (empty($rpc['firstName'])) {
$reply .= ' (No first name given)';
}
if (empty($rpc['lastName'])) {
$reply .= ' (No last name given)';
}
$response['error'] = $reply;
$response['status'] = 'error';
}
}
Header('Content-Type: text/plain; charset=utf-8');
echo json_encode($response, JSON_PRETTY_PRINT);
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