BigW Consortium Gitlab

user.rb 2.15 KB
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require 'gitlab/o_auth/user'
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# LDAP extension for User model
#
# * Find or create user from omniauth.auth data
# * Links LDAP account with existing user
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# * Auth LDAP user with login and password
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#
module Gitlab
  module LDAP
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    class User < Gitlab::OAuth::User
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      class << self
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        def find_by_uid_and_provider(uid, provider)
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          # LDAP distinguished name is case-insensitive
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          identity = ::Identity.
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            where(provider: provider).
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            where('lower(extern_uid) = ?', uid.downcase).last
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          identity && identity.user
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        end
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      end
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      def initialize(auth_hash)
        super
        update_user_attributes
      end
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      # instance methods
      def gl_user
        @gl_user ||= find_by_uid_and_provider || find_by_email || build_new_user
      end
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      def find_by_uid_and_provider
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        self.class.find_by_uid_and_provider(
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          auth_hash.uid.downcase, auth_hash.provider)
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      end

      def find_by_email
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        ::User.find_by(email: auth_hash.email)
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      end

      def update_user_attributes
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        return unless persisted?

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        gl_user.skip_reconfirmation!
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        gl_user.email = auth_hash.email
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        # find_or_initialize_by doesn't update `gl_user.identities`, and isn't autosaved.
        identity = gl_user.identities.find { |identity|  identity.provider == auth_hash.provider }
        identity ||= gl_user.identities.build(provider: auth_hash.provider)
        
        # For a new user set extern_uid to the LDAP DN
        # For an existing user with matching email but changed DN, update the DN.
        # For an existing user with no change in DN, this line changes nothing.
        identity.extern_uid = auth_hash.uid
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        gl_user
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      end

      def changed?
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        gl_user.changed? || gl_user.identities.any?(&:changed?)
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      end
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      def block_after_signup?
        ldap_config.block_auto_created_users
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      end
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      def allowed?
        Gitlab::LDAP::Access.allowed?(gl_user)
      end
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      def ldap_config
        Gitlab::LDAP::Config.new(auth_hash.provider)
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      end
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      def auth_hash=(auth_hash)
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        @auth_hash = Gitlab::LDAP::AuthHash.new(auth_hash)
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      end
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    end
  end
end