/**
* Retrieves a SocialRecord for a given GlobalID from the GSLS. The signed JWT stored in the GSLS will be retrieved, the payloads verified, and the enclosed SocialRecord object will be returned.
*
* @param $gid The GlobalID to resolve
* @param $raw If set to true, the signed JWT will be returned instead of the SocialRecrod
*
* @throws SocialRecordNotFoundException
* @throws SocialRecordIntegrityException
* @throws Exception
*
* @return SocialRecord object
*/
public static function getSocialRecord($gid, $raw = false)
{
$ch = curl_init(Configuration::getPrimaryGSLSNode() . '/' . $gid);
if (Configuration::getCurlVerbose() >= 2) {
curl_setopt($ch, CURLOPT_VERBOSE, 1);
}
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HTTPGET, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, Configuration::getGSLSTimeout());
$result = curl_exec($ch);
if (curl_errno($ch) != CURLE_OK) {
$ch = curl_init(Configuration::getSecondaryGSLSNode() . '/' . $gid);
if (Configuration::getCurlVerbose() >= 2) {
curl_setopt($ch, CURLOPT_VERBOSE, 1);
}
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HTTPGET, 1);
$result = curl_exec($ch);
if (curl_errno($ch) != CURLE_OK) {
throw new \Exception('Connection error: ' . curl_error($ch));
}
}
$result = json_decode($result);
curl_close($ch);
if ($result->responseCode != 200) {
if ($result->responseCode == 404) {
throw new SocialRecordNotFoundException($result->message);
} else {
throw new \Exception($result->message);
}
} else {
// verify JWT and extract SocialRecord
$signer = new Sha512();
$token = (new Parser())->parse((string) $result->socialRecord);
$socialRecord = json_decode(base64_decode($token->getClaim('socialRecord')));
$personalPublicKey = PublicKey::formatPEM($socialRecord->personalPublicKey);
try {
$token->verify($signer, $personalPublicKey);
} catch (\Exception $e) {
throw new SocialRecordIntegrityException('SocialRecord integrity compromised: ' . $e->getMessage());
}
if ($raw) {
return $token;
} else {
return SocialRecordBuilder::buildFromJSON(json_encode($socialRecord, JSON_UNESCAPED_SLASHES));
}
}
}
/**
* Imports a SocialRecord from a string resource
*
* @param $source The string to parse
* @return array Array containting the SocialRecord object and optinally the KeyPair(s)
*/
public static function importSocialRecord($source)
{
$json = new JSONObject($source);
$socialRecord = SocialRecordBuilder::buildFromJSON($json->get('socialRecord'));
$result = array('socialRecord' => $socialRecord);
if ($json->has('accountPrivateKey')) {
$result['accountKeyPair'] = new KeyPair($json->get('accountPrivateKey'), $socialRecord->getAccountPublicKey());
}
if ($json->has('personalPrivateKey')) {
$result['personalKeyPair'] = new KeyPair($json->get('personalPrivateKey'), $socialRecord->getPersonalPublicKey());
}
return $result;
}