<?php
require_once dirname(__FILE__) . '/common.php';
if (isset($_GET['logout'])) {
$_SESSION = array();
}
checkOpenID();
#$rdf->reset(); $rdf->query('BASE <.> LOAD </../brondsema.n3>') or throw new Exception (print_r($rdf->getErrors(),true));
if ($_SESSION['openid'] and !$_SESSION['id']) {
# TODO: check ?p URI to match the URIs we use, or have a foaf:Group for the family, just in case other foaf:Persons get LOADed in
$q = $prefixes . "\n SELECT ?p ?name\n WHERE { ?p foaf:openid <{$_SESSION['openid']}>\n OPTIONAL { ?p foaf:name ?name . }\n }";
$me = $rdf->query($q, 'row');
# set up a new account
if ($_SESSION['openid'] == $admin_openid and !isset($me['p'])) {
$r = $rdf->query($prefixes . "INSERT INTO <{$rdf_uri_prefix}/graph> {\n <" . get_next_uri($rdf, 'person') . "> a foaf:Person;\n foaf:openid <{$admin_openid}>;\n foaf:name 'New Admin User - Please change to your name' .\n }");
if (!$r) {
throw new Exception(print_r($rdf->getErrors(), true));
}
# requery
$me = $rdf->query($q, 'row');
}
if ($me['p']) {
$_SESSION['id'] = $me['p'];
}
if ($me['name']) {
$_SESSION['name'] = $me['name'];
} else {
$_SESSION['name'] = $_SESSION['openid'];
}
}
?>
# this deletes all previous occurrences of $s $p _
function replace($rdf, $s, $p, $o, $old_o)
{
global $prefixes;
$q = $prefixes . "DELETE { <{$s}> {$p} ?o . }";
#echo $q;
$rmod = $rdf->query($q);
#print_r($rmod);
if ($rdf->getErrors()) {
throw new Exception(print_r($rdf->getErrors(), true));
}
insert($rdf, $s, $p, $o);
}
if ($id == null) {
# new
$id = get_next_uri($rdf, 'person');
# TODO: maybe a way to send 'foaf:Person' without it being inserted as a string
insert($rdf, $id, 'a', '<http://xmlns.com/foaf/0.1/Person>');
if ($_POST['name']) {
insert($rdf, $id, 'foaf:name', $_POST['name']);
}
if ($_POST['email']) {
insert($rdf, $id, 'foaf:mbox', '<mailto:' . $_POST['email'] . '>');
}
if ($_POST['web']) {
insert($rdf, $id, 'foaf:homepage', '<' . $_POST['web'] . '>');
}
if ($_POST['bday']) {
insert($rdf, $id, 'foaf:bday', $_POST['bday'] . '^^xs:date');
}
if ($_POST['gender']) {
