Cross Domain Login - How to log a user in automatically when transferred from one domain to another
问题 We offer a number of online services. We are required to develop a system which provides a quick/simple experience for users if they are transferred from one service (on domain1.com ) to another service (on domain2.com ). Is there a safe and secure way to log a user in automatically once he has been transferred to the new service? Yell at me if the solution below is completely insecure/wrong. We were considering a system similar to that provided by a number of online services for password