* added OpenID Connect as an SSO option * minor fixes * added comments, removed an option that shouldn't be set * fixed Gemfile.lock * added newline to end of Gemfile.lock * removed tab from Gemfile.lock * remove chomp * codeclimate changes and small name change to make function's purpose clearer * codeclimate fix * added SSO buttons to /about page * minor refactor * minor style change * removed spurious change * removed unecessary conditional from ensure_valid_username and added support for auth.info.name in user_params_from_auth * minor changes
		
			
				
	
	
		
			97 lines
		
	
	
	
		
			3 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			97 lines
		
	
	
	
		
			3 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
# frozen_string_literal: true
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module Omniauthable
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  extend ActiveSupport::Concern
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  TEMP_EMAIL_PREFIX = 'change@me'
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  TEMP_EMAIL_REGEX  = /\A#{TEMP_EMAIL_PREFIX}/.freeze
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  included do
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    devise :omniauthable
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    def omniauth_providers
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      Devise.omniauth_configs.keys
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    end
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    def email_present?
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      email && email !~ TEMP_EMAIL_REGEX
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    end
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  end
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  class_methods do
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    def find_for_oauth(auth, signed_in_resource = nil)
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      # EOLE-SSO Patch
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      auth.uid = (auth.uid[0][:uid] || auth.uid[0][:user]) if auth.uid.is_a? Hashie::Array
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      identity = Identity.find_for_oauth(auth)
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      # If a signed_in_resource is provided it always overrides the existing user
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      # to prevent the identity being locked with accidentally created accounts.
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      # Note that this may leave zombie accounts (with no associated identity) which
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      # can be cleaned up at a later date.
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      user   = signed_in_resource || identity.user
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      user ||= create_for_oauth(auth)
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      if identity.user.nil?
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        identity.user = user
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        identity.save!
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      end
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      user
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    end
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    def create_for_oauth(auth)
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      # Check if the user exists with provided email. If no email was provided,
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      # we assign a temporary email and ask the user to verify it on
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      # the next step via Auth::SetupController.show
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      strategy          = Devise.omniauth_configs[auth.provider.to_sym].strategy
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      assume_verified   = strategy&.security&.assume_email_is_verified
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      email_is_verified = auth.info.verified || auth.info.verified_email || auth.info.email_verified || assume_verified
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      email             = auth.info.verified_email || auth.info.email
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      user = User.find_by(email: email) if email_is_verified
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      return user unless user.nil?
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      user = User.new(user_params_from_auth(email, auth))
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      user.account.avatar_remote_url = auth.info.image if /\A#{URI::DEFAULT_PARSER.make_regexp(%w(http https))}\z/.match?(auth.info.image)
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      user.skip_confirmation! if email_is_verified
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      user.save!
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      user
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    end
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    private
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    def user_params_from_auth(email, auth)
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      {
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        email: email || "#{TEMP_EMAIL_PREFIX}-#{auth.uid}-#{auth.provider}.com",
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        agreement: true,
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        external: true,
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        account_attributes: {
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          username: ensure_unique_username(ensure_valid_username(auth.uid)),
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          display_name: auth.info.full_name || auth.info.name || [auth.info.first_name, auth.info.last_name].join(' '),
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        },
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      }
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    end
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    def ensure_unique_username(starting_username)
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      username = starting_username
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      i        = 0
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      while Account.exists?(username: username, domain: nil)
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        i       += 1
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        username = "#{starting_username}_#{i}"
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      end
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      username
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    end
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    def ensure_valid_username(starting_username)
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      starting_username = starting_username.split('@')[0]
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      temp_username = starting_username.gsub(/[^a-z0-9_]+/i, '')
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      validated_username = temp_username.truncate(30, omission: '')
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      validated_username
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    end
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  end
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end
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