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Super Site Admin should be able to login as admin of subsite. Once logged in he/she should have all the privileges of a subsite admin.

The subsites can be on a subdomain or a separate domain. Because of this, using cookie for impersonation is not possible as cookies are not shared across domain.

Login Process-

• Check if the email provided is the super site admin. This is done by comparing it with the value in application.yml(default_company/admin_user_email).
• If the email is super site admin's and if the site is not default one proceed to next step. If the site is default then normal log-in process will happen.
• Validate the email and password provided. If valid then continue with the next step else show a message that the validation failed.
• Retrieve the details of the sites admin and then create a session.
• If the session creation fails ( example - the admin has not yet activated his email etc), then show an error message
• If the session is created, then the super admin will be logged into the site as site admin.

• Super site admin email has to be unique in the database. ie no site should have an user with the same email of super admin.
• If there is a change in the email of the super site admin, then the application.yml file needs to be updated and the application needs to restarted.