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LinkedIn

LinkedIn supports only OAuth2. Migration between each type is fairly simple since the same Key / Secret pair is used for both authentication types.

LinkedIn OAuth2 setup is similar to any other OAuth2 service. The auth flow is explained on LinkedIn Developers docs. First you will need to register an app att LinkedIn Developer Network.

OAuth2

  • Fill the application key and secret in your settings:

    SOCIAL_AUTH_LINKEDIN_OAUTH2_KEY = ''
SOCIAL_AUTH_LINKEDIN_OAUTH2_SECRET = ''

  • Application scopes can be specified by:

    SOCIAL_AUTH_LINKEDIN_OAUTH2_SCOPE = [...]

    Check the available options at LinkedIn Scopes (also called as permissions by LinkedIn). If you want to request a user’s email address, you’ll need specify that your application needs access to the email address use the r_emailaddress scope.

  • To request extra fields using LinkedIn fields selectors just define this setting:

    SOCIAL_AUTH_LINKEDIN_OAUTH2_FIELD_SELECTORS = [...]

    with the needed fields selectors, also define SOCIAL_AUTH_LINKEDIN_OAUTH2_EXTRA_DATA properly, that way the values will be stored in UserSocialAuth.extra_data field. By default id, firstName and lastName are requested and stored.

For example, to request a user’s email from the Linkedin API and store the information in UserSocialAuth.extra_data, you would add these settings:

# Add email to requested authorizations.
SOCIAL_AUTH_LINKEDIN_OAUTH2_SCOPE = ['r_liteprofile', 'r_emailaddress']
# Add the fields so they will be requested from linkedin.
SOCIAL_AUTH_LINKEDIN_OAUTH2_FIELD_SELECTORS = ['emailAddress']
# Arrange to add the fields to UserSocialAuth.extra_data
SOCIAL_AUTH_LINKEDIN_OAUTH2_EXTRA_DATA = [('id', 'id'),
                                          ('firstName', 'first_name'),
                                          ('lastName', 'last_name'),
                                          ('emailAddress', 'email_address')]

Looks like LinkedIn is forcing the definition of the callback URL in the application when OAuth2 is used. Follow the setup 1 carefully as per Linkedin App Setup to add a redirect url/callback url. Be sure to set the proper values, otherwise a (400) Client Error: Bad Request might be returned by their service.

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