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• Social login is an alternative to traditional login via email address. To integrate social login seamlessly, you must consider multiple scenarios.
• Here are the two important scenarios that must be covered:– User has an email account, but attempts a Facebook
sign in.– User has signed in via Facebook, but tries to login or
sign up using email address.
• This presentation will cover these important scenarios. Look at the presentation slide by slide.
Social Login has lots of scenarios
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Scenario 1: User has an email account, but now attempts a Facebook sign in
Do not create a new account.
Merge the Facebook sign in with the existing account.
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Log in with Facebook
Login success?
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Log in with Facebook
Login success?
Do nothing. Show failure and close the window.
No
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Log in with Facebook
Login success?
Do nothing. Show failure and close the window.
No Email Addr matches an
existing email-only account?
Yes
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Log in with Facebook
Login success?
Do nothing. Show failure and close the window.
No Email Addr matches an
existing email-only account?
Yes
Create a new social account
No
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Log in with Facebook
Login success?
Do nothing. Show failure and close the window.
No Email Addr matches an
existing email-only account?
Merged Email & Social
Account?
Yes
Yes
Create a new social account
No
Company Confidential 9
Log in with Facebook
Login success?
Do nothing. Show failure and close the window.
No Email Addr matches an
existing email-only account?
Merged Email & Social
Account?
Yes
Yes Log person
in
Yes
Create a new social account
No
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Log in with Facebook
Login success?
Do nothing. Show failure and close the window.
No Email Addr matches an
existing email-only account?
Ask person to log in with email address
Merged Email & Social
Account?
Yes
Yes Log person
in
No
Yes
Create a new social account
No
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Log in with Facebook
Login success?
Do nothing. Show failure and close the window.
No Email Addr matches an
existing email-only account?
Ask person to log in with email address
Login successful?
Merged Email & Social
Account?
Yes
Yes Log person
in
No
Yes
Create a new social account
No
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Log in with Facebook
Login success?
Do nothing. Show failure and close the window.
No Email Addr matches an
existing email-only account?
Ask person to log in with email address
Login successful?
Merge email & social
accounts for the future.
Merged Email & Social
Account?
Yes
Yes Log person
in
No
Yes
Yes
Create a new social account
No
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Log in with Facebook
Login success?
Do nothing. Show failure and close the window.
No Email Addr matches an
existing email-only account?
Ask person to log in with email address
Login successful?
Merge email & social
accounts for the future.
Merged Email & Social
Account?
Yes
Yes Log person
in
No
Yes
Show a message saying social login not
possible YesNo
Create a new social account
No
End of Scenario 1
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Scenario 2: User has created an account via Facebook, now attempts email sign in or sign up
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Login or signup via
Social Account?
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Login or signup via
Social Account?
Show a message saying this is a social login account and person
must login via Facebook
Yes
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Login or signup via
Social Account?
Log person in normallyShow a message saying this is a social login account and person
must login via Facebook
No Yes
End of Scenario 2
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Check out a ShopSocially Social Login reference implementation that shows handling of these scenarios athttp://social-login-demo.appspot.com/
Web: http://shopsocially.com
Contact: [email protected]
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