gitlab-org--gitlab-foss/lib/api/helpers/authentication.rb

73 lines
2.6 KiB
Ruby

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