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LDAP & PAM added to OAuth password grant strategy (#7999) (#12390)

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When authenticating via OAuth, the resource owner password grant
strategy is allowed by Mastodon, but (without this PR), it does not
attempt to authenticate against LDAP or PAM. As a result, LDAP or PAM
authenticated users cannot sign in to Mastodon with their
email/password credentials via OAuth (for instance, for native/mobile
app users).

This PR fleshes out the authentication strategy supplied to doorkeeper
in its initializer by looking up the user with LDAP and/or PAM when
devise is configured to use LDAP/PAM backends. It attempts to follow the
same logic as the Auth::SessionsController for handling email/password
credentials.

Note #1: Since this pull request affects an initializer, it's unclear
how to add test automation.

Note #2: The PAM authentication path has not been manually tested. It
was added for completeness sake, and it is hoped that it can be manually
tested before merging.
This commit is contained in:
ntl-purism 2019-11-30 12:44:59 -06:00 committed by Eugen Rochko
parent 35b142a7ad
commit f3a93987b6
1 changed files with 14 additions and 2 deletions
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16
config/initializers/doorkeeper.rb
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@ -8,8 +8,20 @@ Doorkeeper.configure do
end end
resource_owner_from_credentials do |_routes| resource_owner_from_credentials do |_routes|
user = User.find_by(email: request.params[:username]) if Devise.ldap_authentication
user if !user&.otp_required_for_login? && user&.valid_password?(request.params[:password]) user = User.authenticate_with_ldap({ :email => request.params[:username], :password => request.params[:password] })
end
if Devise.pam_authentication
user ||= User.authenticate_with_ldap({ :email => request.params[:username], :password => request.params[:password] })
end
if user.nil?
user = User.find_by(email: request.params[:username])
user = nil unless user.valid_password?(request.params[:password])
end
user if !user&.otp_required_for_login?
end end
# If you want to restrict access to the web interface for adding oauth authorized applications, you need to declare the block below. # If you want to restrict access to the web interface for adding oauth authorized applications, you need to declare the block below.