Process

process.txt

#Login Process
1. Open IndexPage [Browser] <- [http] <- [PHPServer]
2. Serve 'login web widget' (Facebook, Twitter) [Browser] <- [http] <- [PHPServer][http]
3. Send user credentials (username, password) to service (Facebook, Twitter)  [Browser] -> [https] -> [ServicesServer]
4. Receive valid access token [PHPServer] <- [https] <- [ServiceServer]
5. Send valid user access token (Facebook: access_token, Twitter: key/secret token pair) [PHPServer] -> [http] -> [LynxAppServer]
	- params: 
		type : ServiceServer's name, i.e. facebook, twitter 
		token : User's valid access token from ServiceServer
6. Receive valid LynxUserToken [PHPServer] <- [http] <- [LynxAppServer] 
7. Generate SessionID for user and send it to SecureLynxAppServer, alongside with received token [PHPServer] -> [https] -> [SecureLynxAppServer]

#Logout Process
1. Send SessionID and LynxUserToken to [PHPServer] -> [https] -> [SecureLynxAppServer]
2. Receive logout confirmation [PHPServer] <- [https] <- [SecureLynxAppServer]