Signaling server for exchanging SDP datagram between clients to establish peer-to-peer connection via WebRTC. Clients use their public PGP keys as names and sign their messages with private PGP keys. Signaling server uses Yii 2 Basic Project Template.

1. Connect to signaling server.

Request: host:port/client/add?key=123

• key - yours public key;

Response success: {'message': 'isOnline'}

Response error: {'message': 'Error'}

2. Get users connected to the signaling server.

Request: host:port/client/get?keys=123;345;456

• keys - public keys yours friends;

Response success: {'online_users': {123, 345}} or {'online_users': {}}

Response error: {'message': 'Error'}

3. Send message or SDP datagram.

Request: host:port/message/send?content=text&sender=123&recipient=345&date=2020-04-20%2010:00:00&sign=1234314

• content - message or SDP datagram;
• sender - your public key;
• recipient - public key your friend;
• date - now date;
• sign - signing the message with your private key;

Response success: {'message': 'send'}

Response error: {'message': 'Error, not save message.'} or {'message': 'Error, not verify sign.'}

4. Get messages or SDP datagram.

Request: host:port/message/get?key=345

• key - your public key;

Response success: {'messages-for-client': {{'content': 'SDP', 'sender': '123', 'recipient': '345', 'date': '2020-04-27 10:00:00', 'sign': '1234314'}}} or {'messages-for-client': {}}

Response error: {'message': 'Error'}

5 Disconnect with the signaling server.

Request: host:port/client/del?key=123

• key - your public key;

Response success: {'message': 'isOffline'}

Response error: {'message': 'Error'}