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65 lines
1.7 KiB
65 lines
1.7 KiB
# frozen_string_literal: true
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# This concern is inspired by "sudo mode" on GitHub. It
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# is a way to re-authenticate a user before allowing them
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# to see or perform an action.
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#
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# Add `before_action :require_challenge!` to actions you
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# want to protect.
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#
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# The user will be shown a page to enter the challenge (which
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# is either the password, or just the username when no
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# password exists). Upon passing, there is a grace period
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# during which no challenge will be asked from the user.
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#
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# Accessing challenge-protected resources during the grace
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# period will refresh the grace period.
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module ChallengableConcern
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extend ActiveSupport::Concern
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CHALLENGE_TIMEOUT = 1.hour.freeze
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def require_challenge!
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return if skip_challenge?
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if challenge_passed_recently?
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session[:challenge_passed_at] = Time.now.utc
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return
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end
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@challenge = Form::Challenge.new(return_to: request.url)
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if params.key?(:form_challenge)
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if challenge_passed?
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session[:challenge_passed_at] = Time.now.utc
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return
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else
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flash.now[:alert] = I18n.t('challenge.invalid_password')
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render_challenge
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end
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else
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render_challenge
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end
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end
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def render_challenge
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@body_classes = 'lighter'
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render template: 'auth/challenges/new', layout: 'auth'
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end
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def challenge_passed?
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current_user.valid_password?(challenge_params[:current_password])
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end
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def skip_challenge?
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current_user.encrypted_password.blank?
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end
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def challenge_passed_recently?
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session[:challenge_passed_at].present? && session[:challenge_passed_at] >= CHALLENGE_TIMEOUT.ago
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end
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def challenge_params
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params.require(:form_challenge).permit(:current_password, :return_to)
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end
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end
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