function viewShortInfo($webid, $me, $base_uri, $endpoint)
{
// fetch info for webid
$ret = '';
$person = new MyProfile($webid, $base_uri, $endpoint);
$person->load();
$profile = $person->get_profile();
// find if he has me in his list of foaf:knows!
$has_me = false;
if (in_array($me, $profile->all('foaf:knows'))) {
$has_me = true;
}
// check if the user has subscribed to local messages
$is_subscribed = strlen($person->get_hash()) > 0 ? true : false;
// start populating array
$friend = array('webid' => (string) $webid, 'img' => (string) $person->get_picture(), 'name' => (string) $profile->get("foaf:name"), 'nick' => (string) $profile->get("foaf:nick"), 'email' => (string) $profile->get("foaf:mbox"), 'blog' => (string) $profile->get("foaf:weblog"), 'pingback' => (string) $profile->get("http://purl.org/net/pingback/to"), 'hash' => $person->get_hash(), 'hasme' => $has_me);
if (isset($new)) {
$friend['new'] = $new;
}
$ret .= "<table>\n";
$ret .= "<tr bgcolor=\"\"><td>\n";
$ret .= "<table><tr>\n";
$ret .= "<td width=\"70\" style=\"vertical-align: top; padding: 10px;\">\n";
$ret .= "<div align=\"left\"><a href=\"view.php?webid=" . urlencode($friend['webid']) . "\" target=\"_blank\">";
$ret .= "<img title=\"" . $friend['name'] . "\" alt=\"" . $friend['name'] . ".\" width=\"64\" src=\"" . $friend['img'] . "\" />";
$ret .= "</a></div>\n";
$ret .= "</td>\n";
$ret .= "<td><table>\n";
if ($friend['name'] != null) {
$ret .= "<tr><td><strong>" . $friend['name'] . "</strong>\n";
} else {
$ret .= "<tr><td><strong>Anonymous</strong>\n";
}
if ($friend['nick'] != null) {
$ret .= "''" . $friend['nick'] . "''";
}
$ret .= "</td></tr>\n";
if ($friend['hasme'] == true) {
$ret .= "<tr><td><div style=\"color:#60be60;\">Has you as friend.</div></td></tr>\n";
}
//$ret .= "<tr><td> </td></tr>\n";
if ($friend['email'] != null) {
$ret .= "<tr><td>Email: <a href=\"" . $friend['email'] . "\">" . clean_mail($friend['email']) . "</a></td></tr>\n";
}
if ($friend['blog'] != null) {
$ret .= "<tr><td>Blog:<a href=\"" . $friend['blog'] . "\">" . $friend['blog'] . "</a></td></tr>\n";
}
$ret .= "<tr><td>WebID: <a href=\"view.php?webid=" . urlencode($friend['webid']) . "\">" . $friend['webid'] . "</a></td></tr>\n";
$ret .= "</table>\n";
$ret .= "<br/><table>\n";
$ret .= "<tr>\n";
// add or remove friends if we have them in our list
if (isset($_SESSION['webid']) && webid_is_local($_SESSION['webid'])) {
if ($_SESSION['myprofile']->is_friend($webid)) {
// remove friend
$ret .= "<td style=\"padding-right: 10px; float: left;\"><form action=\"friends.php\" method=\"POST\">\n";
$ret .= "<input type=\"hidden\" name=\"action\" value=\"delfriend\">\n";
$ret .= "<input type=\"hidden\" name=\"uri\" value=\"" . $friend['webid'] . "\">\n";
$ret .= "<input src=\"img/actions/remove.png\" type=\"image\" title=\"Remove friend\" name=\"submit\" value=\" Remove \">\n";
$ret .= "</form></td>\n";
} else {
// add friend
$ret .= "<td style=\"padding-right: 10px; float: left;\"><form action=\"friends.php\" method=\"POST\">\n";
$ret .= "<input type=\"hidden\" name=\"action\" value=\"addfriend\">\n";
$ret .= "<input type=\"hidden\" name=\"uri\" value=\"" . $friend['webid'] . "\">\n";
$ret .= "<input src=\"img/actions/add.png\" type=\"image\" title=\"Add friend\" name=\"submit\" value=\" Add \">\n";
$ret .= "</form></td>\n";
}
}
// send messages using the pingback protocol
if ($friend['pingback'] != null) {
$ret .= "<td style=\"padding-right: 10px; float: left;\"><form action=\"messages.php\" method=\"POST\">\n";
$ret .= "<input type=\"hidden\" name=\"new\" value=\"true\">\n";
$ret .= "<input type=\"hidden\" name=\"to\" value=\"" . $friend['webid'] . "\">\n";
$ret .= "<input src=\"img/actions/message.png\" type=\"image\" title=\"Send a message\" name=\"submit\" value=\" Message \" onclick=\"this.form.target='_blank';return true;\">\n";
$ret .= "</form></td>\n";
}
// more functions if the user has previously subscribed to the local services
if ($is_subscribed) {
// Post on the user's wall
$ret .= "<td style=\"padding-right: 10px; float: left;\"><form action=\"wall.php\" method=\"POST\">\n";
$ret .= "<input type=\"hidden\" name=\"user\" value=\"" . $friend['hash'] . "\">\n";
$ret .= "<input src=\"img/actions/wall.png\" type=\"image\" title=\"View posts\" name=\"submit\" value=\" Wall \" onclick=\"this.form.target='_blank';return true;\">\n";
$ret .= "</form></td>\n";
}
$ret .= "<td style=\"padding-right: 10px; float: left;\"><form action=\"friends.php\" method=\"GET\">\n";
$ret .= "<input type=\"hidden\" name=\"webid\" value=\"" . $friend['webid'] . "\">\n";
$ret .= "<input type=\"hidden\" name=\"me\" value=\"" . $me . "\">\n";
$ret .= "<input src=\"img/actions/friends.png\" type=\"image\" title=\"View friends\" name=\"submit\" value=\" Friends \">\n";
$ret .= "</form></td>\n";
$ret .= "</tr></table></p>\n";
$ret .= "</td>\n";
$ret .= "</tr></table>\n";
$ret .= "</td></tr>\n";
$ret .= "</table>\n";
return $ret;
}
}
if (isset($_REQUEST['webid'])) {
$ret .= '<div>';
$ret .= "<h3 class=\"demoHeaders\">Details for WebID: <a href=\"" . urldecode($_REQUEST['webid']) . "\">";
if (strlen($_REQUEST['webid']) > 50) {
$ret .= substr(urldecode($_REQUEST['webid']), 0, 47) . '...';
} else {
$ret .= urldecode($_REQUEST['webid']);
}
$ret .= "</a></h3><p>(view <a href=\"view.php?html=0&webid=" . urlencode($_REQUEST['webid']) . "\">RDF</a> or \n";
$ret .= "</a></h3><a href=\"view.php?html=1&webid=" . urlencode($_REQUEST['webid']) . "\">normal</a>?)</p><br/>\n";
// graph
$person = new MyProfile(urldecode($_REQUEST['webid']), BASE_URI, SPARQL_ENDPOINT);
$person->load(true);
$graph = $person->get_graph();
$profile = $person->get_profile();
// sameAs is disabled until further notice
//$profile->loadSameAs();
// check if the user has subscribed to local messages
$is_subscribed = strlen($person->get_hash()) > 0 ? true : false;
$ret .= "<table><tr>\n";
// add or remove friends if we have them in our list
if (isset($_SESSION['webid']) && webid_is_local($_SESSION['webid'])) {
if ($_SESSION['myprofile']->is_friend($_REQUEST['webid'])) {
// remove friend
$ret .= "<td style=\"padding-right: 10px; float: left;\"><form action=\"friends.php\" method=\"POST\">\n";
$ret .= "<input type=\"hidden\" name=\"action\" value=\"delfriend\">\n";
$ret .= "<input type=\"hidden\" name=\"webid\" value=\"" . $_REQUEST['webid'] . "\">\n";
$ret .= "<input src=\"img/actions/remove.png\" type=\"image\" title=\"Remove friend\" name=\"submit\" value=\" Remove \">\n";
$ret .= "</form></td>\n";
} else {
function sendPing($to, $message, $base_uri, $verbose = false)
{
$ret = "<br/>\n";
$to = trim($to);
// fetch the user's profile
$person = new MyProfile($to, $base_uri, SPARQL_ENDPOINT);
$person->load();
$profile = $person->get_profile();
$to_name = $person->get_name();
$to_email = $person->get_email();
$pingback_service = $profile->get("pingback:to");
// set form data
$source = $_SESSION['webid'];
// parse the pingback form
$config = array('auto_extract' => 0);
$parser = ARC2::getSemHTMLParser($config);
$parser->parse($pingback_service);
$parser->extractRDF('rdfa');
// load triples
$triples = $parser->getTriples();
// proceed only if the user has defined a pingback:to relation
if ($pingback_service != null) {
if (sizeof($triples) > 0) {
//echo "<pre>" . print_r($triples, true) . "</pre>\n";
foreach ($triples as $triple) {
// proceed only if we have a valid pingback resource
if ($triple['o'] == 'http://purl.org/net/pingback/Container') {
$fields = array('source' => $source, 'target' => $to, 'comment' => $message);
// Should really replace curl with an ajax call
//open connection to pingback service
$ch = curl_init();
//set the url, number of POST vars, POST data
curl_setopt($ch, CURLOPT_URL, $pingback_service);
curl_setopt($ch, CURLOPT_POST, count($fields));
curl_setopt($ch, CURLOPT_POSTFIELDS, $fields);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
//execute post
$return = curl_exec($ch);
$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
//close connection
curl_close($ch);
if ($httpCode == '201' || $httpCode == '202') {
$ret .= success('Message delivered!');
} else {
$ret .= error('Something happened and I couldn\'t deliver the message!');
$ret .= "<p>Details:</p>\n";
$ret .= "</p>" . $return . "</p>\n";
}
break;
}
}
} else {
$ret .= " <p>{$pingback_service} does not comply with semantic pingback standards! Showing the pingback service page instead.</p>\n";
// show frame
$ret .= " <iframe src=\"{$pingback_service}\" width=\"100%\" height=\"300\">\n";
$ret .= " <p>Your browser does not support iframes.</p>\n";
$ret .= " </iframe>\n";
}
} else {
// no valid pingback service found, fallback to AKSW
$ret .= " <p>Could not find a pingback service for the given WebID. Here is a generic pingback service provided by http://pingback.aksw.org/.</p>\n";
$ret .= " <iframe src=\"http://pingback.aksw.org/\" width=\"100%\" height=\"300\">\n";
$ret .= " <p>Your browser does not support iframes.</p>\n";
$ret .= " </iframe>\n";
}
if ($verbose) {
return $ret;
}
}
