Passwordless Email

sequenceDiagram
  autonumber
  actor U as User
  participant A as Hasura Auth
  participant E as SMTP server
  participant F as Frontend
  U->>+A: HTTP POST /signin/passwordless/email
  opt No user found
    A->>A: Create user
  end
  A->>A: Generate ticket
  A-)E: Send verification email
  A->>-U: HTTP POST OK (no data)
  E-)U: Receive email
  U->>+A: HTTP GET /verify
  Note right of U: Follow email link
  A->>A: Flag user email as verified
  A->>+F: HTTP redirect with refresh token
  deactivate A
  F->>-U: HTTP OK response
  opt
    U->>+A: HTTP POST /token
    A->>-U: HTTP OK response
    Note left of A: Refresh token + access token
  end