public function fetchRemoteSearch($text, $tag = false)
{
$endpoint_url = $this['url'] . "search_items";
if ($tag) {
$endpoint_url .= "?tag=" . urlencode(studip_utf8encode($text));
} else {
$endpoint_url .= "?text=" . urlencode(studip_utf8encode($text));
}
$output = @file_get_contents($endpoint_url);
if ($output) {
$output = studip_utf8decode(json_decode($output, true));
foreach ((array) $output['results'] as $material_data) {
$host = LernmarktplatzHost::findOneBySQL("public_key = ?", array($material_data['host']['public_key']));
if (!$host) {
$host = new LernmarktplatzHost();
$host['url'] = $material_data['host']['url'];
$host->fetchPublicKey();
$host->store();
}
if (!$host->isMe()) {
//set user:
$user = LernmarktplatzUser::findOneBySQL("foreign_user_id", array($material_data['user']['user_id'], $host->getId()));
if (!$user) {
$user = new LernmarktplatzUser();
$user['foreign_user_id'] = $material_data['user']['user_id'];
$user['host_id'] = $host->getId();
}
$user['name'] = $material_data['user']['name'];
$user['avatar'] = $material_data['user']['avatar'] ?: null;
$user->store();
//set material:
$material_data['data']['foreign_material_id'] = $material_data['data']['id'];
$material = LernmarktplatzMaterial::findOneBySQL("foreign_material_id = ? AND host_id = ?", array($material_data['data']['foreign_material_id'], $host->getId()));
if (!$material) {
$material = new LernmarktplatzMaterial();
}
unset($material_data['data']['id']);
$material->setData($material_data['data']);
$material['host_id'] = $host->getId();
$material['user_id'] = $user->getId();
$material->store();
//set topics:
$material->setTopics($material_data['topics']);
}
}
}
}
/**
* Update data of an item via POST-request.
*/
public function push_data_action()
{
if (Request::isPost()) {
$public_key_hash = $_SERVER['HTTP_' . str_replace("-", "_", strtoupper($GLOBALS['LERNMARKTPLATZ_HEADER_PUBLIC_KEY_HASH']))];
$signature = base64_decode($_SERVER['HTTP_' . str_replace("-", "_", strtoupper($GLOBALS['LERNMARKTPLATZ_HEADER_SIGNATURE']))]);
$host = LernmarktplatzHost::findOneBySQL("MD5(public_key) = ?", array($public_key_hash));
if ($host && !$host->isMe()) {
$body = file_get_contents('php://input');
if ($host->verifySignature($body, $signature)) {
$data = studip_utf8decode(json_decode($body, true));
$material = LernmarktplatzMaterial::findOneBySQL("host_id = ? AND foreign_material_id = ?", array($host->getId(), $data['data']['foreign_material_id']));
if (!$material) {
$material = new LernmarktplatzMaterial();
}
if ($data['delete_material']) {
$material->delete();
echo "deleted ";
} else {
$material->setData($data['data']);
$material['host_id'] = $host->getId();
//update user
$user = LernmarktplatzUser::findOneBySQL("host_id = ? AND foreign_user_id = ?", array($host->getId(), $data['user']['user_id']));
if (!$user) {
$user = new LernmarktplatzUser();
$user['host_id'] = $host->getId();
$user['foreign_user_id'] = $data['user']['user_id'];
}
$user['name'] = $data['user']['name'];
$user['avatar'] = $data['user']['avatar'];
$user['description'] = $data['user']['description'] ?: null;
$user->store();
$material['user_id'] = $user->getId();
$material->store();
$material->setTopics($data['topics']);
echo "stored ";
}
} else {
throw new Exception("Wrong signature, sorry.");
}
}
$this->render_text("");
} else {
throw new Exception("USE POST TO PUSH.");
}
}
