debian-mirror-gitlab/app/services/access_token_validation_service.rb
2017-09-10 17:25:29 +05:30

50 lines
1.2 KiB
Ruby

class AccessTokenValidationService
# Results:
VALID = :valid
EXPIRED = :expired
REVOKED = :revoked
INSUFFICIENT_SCOPE = :insufficient_scope
attr_reader :token, :request
def initialize(token, request: nil)
@token = token
@request = request
end
def validate(scopes: [])
if token.expired?
return EXPIRED
elsif token.revoked?
return REVOKED
elsif !self.include_any_scope?(scopes)
return INSUFFICIENT_SCOPE
else
return VALID
end
end
# True if the token's scope contains any of the passed scopes.
def include_any_scope?(required_scopes)
if required_scopes.blank?
true
else
# We're comparing each required_scope against all token scopes, which would
# take quadratic time. This consideration is irrelevant here because of the
# small number of records involved.
# https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/12300/#note_33689006
token_scopes = token.scopes.map(&:to_sym)
required_scopes.any? do |scope|
if scope.respond_to?(:sufficient?)
scope.sufficient?(token_scopes, request)
else
API::Scope.new(scope).sufficient?(token_scopes, request)
end
end
end
end
end