@Override
public CommandResponse execute(JSONObject json, ClientRequestHandlerInterface handler)
throws InvalidKeyException, InvalidKeySpecException, JSONException, NoSuchAlgorithmException,
SignatureException, ParseException {
String guid = json.getString(GNSProtocol.GUID.toString());
String field = json.getString(GNSProtocol.FIELD.toString());
String accessType = json.getString(GNSProtocol.ACL_TYPE.toString());
// allows someone other than guid to read acl, defaults to guid
String reader = json.optString(GNSProtocol.READER.toString(), guid);
String signature = json.getString(GNSProtocol.SIGNATURE.toString());
String message = json.getString(GNSProtocol.SIGNATUREFULLMESSAGE.toString());
Date timestamp =
json.has(GNSProtocol.TIMESTAMP.toString())
? Format.parseDateISO8601UTC(json.getString(GNSProtocol.TIMESTAMP.toString()))
: null; // can be null on older client
MetaDataTypeName access;
if ((access = MetaDataTypeName.valueOf(accessType)) == null) {
return new CommandResponse(
ResponseCode.BAD_ACL_TYPE_ERROR,
GNSProtocol.BAD_RESPONSE.toString()
+ " "
+ GNSProtocol.BAD_ACL_TYPE.toString()
+ "Should be one of "
+ Arrays.toString(MetaDataTypeName.values()));
}
return new CommandResponse(
ResponseCode.NO_ERROR,
Boolean.toString(
FieldMetaData.fieldExists(
access, guid, field, reader, signature, message, timestamp, handler)));
}
