43 lines
1 KiB
Ruby
43 lines
1 KiB
Ruby
module TokenAuthenticatable
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extend ActiveSupport::Concern
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class_methods do
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def authentication_token_fields
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@token_fields || []
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end
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private
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def add_authentication_token_field(token_field)
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@token_fields = [] unless @token_fields
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@token_fields << token_field
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define_singleton_method("find_by_#{token_field}") do |token|
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find_by(token_field => token) if token
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end
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define_method("ensure_#{token_field}") do
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current_token = read_attribute(token_field)
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if current_token.blank?
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write_attribute(token_field, generate_token_for(token_field))
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else
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current_token
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end
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end
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define_method("reset_#{token_field}!") do
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write_attribute(token_field, generate_token_for(token_field))
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save!
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end
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end
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end
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private
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def generate_token_for(token_field)
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loop do
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token = Devise.friendly_token
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break token unless self.class.unscoped.find_by(token_field => token)
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end
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end
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end
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