79 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			79 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Ruby
		
	
	
	
| # frozen_string_literal: true
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| 
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| module API
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|   module Helpers
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|     module Authentication
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|       extend ActiveSupport::Concern
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| 
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|       class_methods do
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|         def authenticate_with(&block)
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|           strategies = ::Gitlab::APIAuthentication::Builder.new.build(&block)
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|           namespace_inheritable :authentication, strategies
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|         end
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|       end
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| 
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|       included do
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|         helpers ::Gitlab::Utils::StrongMemoize
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| 
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|         helpers do
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|           def token_from_namespace_inheritable
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|             strong_memoize(:token_from_namespace_inheritable) do
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|               strategies = namespace_inheritable(:authentication)
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|               next unless strategies&.any?
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| 
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|               # Extract credentials from the request
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|               found = strategies.to_h { |location, _| [location, ::Gitlab::APIAuthentication::TokenLocator.new(location).extract(current_request)] }
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|               found.filter! { |location, raw| raw }
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|               next unless found.any?
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| 
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|               # Specifying multiple credentials is an error
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|               # https://gitlab.com/gitlab-org/gitlab/-/merge_requests/38627#note_475984136
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|               bad_request!('Found more than one set of credentials') if found.size > 1
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| 
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|               location, raw = found.first
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|               find_token_from_raw_credentials(strategies[location], raw)
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|             end
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| 
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|           rescue ::Gitlab::Auth::UnauthorizedError
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|             # TODO: this should be rescued and converted by the exception handling middleware
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|             # https://gitlab.com/gitlab-org/gitlab/-/merge_requests/38627#note_475174516
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|             unauthorized!
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|           end
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| 
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|           def access_token_from_namespace_inheritable
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|             token = token_from_namespace_inheritable
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|             token if token.is_a? PersonalAccessToken
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|           end
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| 
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|           def user_from_namespace_inheritable
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|             token = token_from_namespace_inheritable
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|             return token if token.is_a? DeployToken
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| 
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|             token&.user
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|           end
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| 
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|           def ci_build_from_namespace_inheritable
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|             token = token_from_namespace_inheritable
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|             token if token.is_a?(::Ci::Build)
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|           end
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| 
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|           private
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| 
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|           def find_token_from_raw_credentials(token_types, raw)
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|             token_types.each do |token_type|
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|               # Resolve a token from the raw credentials
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|               token = ::Gitlab::APIAuthentication::TokenResolver.new(token_type).resolve(raw)
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|               return token if token
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|             end
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| 
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|             # If a request provides credentials via an allowed transport, the
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|             # credentials must be valid. If we reach this point, the credentials
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|             # must not be valid credentials of an allowed type.
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|             raise ::Gitlab::Auth::UnauthorizedError
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|           end
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|         end
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|       end
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|     end
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|   end
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| end
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