public ResponseEntity<?> addFriend(Long userId, Long friendId)
throws InvalidKeyException, NoSuchAlgorithmException, SignatureException, Exception {
KeyPair friendKeyPair = serviceKeyPair.findOne(friendId);
String signature = serviceSession.sign(friendKeyPair.getPubkey());
Friendship friendship = new Friendship();
friendship.setSignature(signature);
friendship.setFriendId(friendId);
HttpEntity<Friendship> toPost = new HttpEntity<Friendship>(friendship, client.getHeaders());
return client
.getRestTemplate()
.postForObject(
"http://localhost:8080/api/" + userId + "/friends", toPost, ResponseEntity.class);
}
public ResponseEntity<?> addUserToGroup(Long userId, Long friendId, Long groupId)
throws Exception {
KeyPair friendKeyPair = serviceKeyPair.findOne(friendId);
KeySym groupKey = clientKeySym.findGroupKeySym(groupId);
String dec_groupSecretKey = serviceSession.decryptWithCurrentUserPK(groupKey.getSymkey());
RSACrypto rsa = new RSACrypto();
String enc_groupSecretKey = rsa.encrypt(friendKeyPair.getPubkey(), dec_groupSecretKey);
groupKey.setSymkey(enc_groupSecretKey);
HttpEntity<KeySym> toPost = new HttpEntity<KeySym>(groupKey, client.getHeaders());
return client
.getRestTemplate()
.postForObject(
"http://localhost:8080/api/xx/" + groupId + "/users/" + friendId,
toPost,
ResponseEntity.class);
}