93 lines
2.5 KiB
Ruby
93 lines
2.5 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
class GraphqlController < ApplicationController
|
|
# Unauthenticated users have access to the API for public data
|
|
skip_before_action :authenticate_user!
|
|
skip_around_action :set_session_storage
|
|
|
|
# Allow missing CSRF tokens, this would mean that if a CSRF is invalid or missing,
|
|
# the user won't be authenticated but can proceed as an anonymous user.
|
|
#
|
|
# If a CSRF is valid, the user is authenticated. This makes it easier to play
|
|
# around in GraphiQL.
|
|
protect_from_forgery with: :null_session, only: :execute
|
|
|
|
before_action :authorize_access_api!
|
|
before_action(only: [:execute]) { authenticate_sessionless_user!(:api) }
|
|
|
|
def execute
|
|
result = multiplex? ? execute_multiplex : execute_query
|
|
|
|
render json: result
|
|
end
|
|
|
|
rescue_from StandardError do |exception|
|
|
log_exception(exception)
|
|
|
|
render_error("Internal server error")
|
|
end
|
|
|
|
rescue_from Gitlab::Graphql::Variables::Invalid do |exception|
|
|
render_error(exception.message, status: :unprocessable_entity)
|
|
end
|
|
|
|
rescue_from Gitlab::Graphql::Errors::ArgumentError do |exception|
|
|
render_error(exception.message, status: :unprocessable_entity)
|
|
end
|
|
|
|
private
|
|
|
|
def execute_multiplex
|
|
GitlabSchema.multiplex(multiplex_queries, context: context)
|
|
end
|
|
|
|
def execute_query
|
|
variables = build_variables(params[:variables])
|
|
operation_name = params[:operationName]
|
|
|
|
GitlabSchema.execute(query, variables: variables, context: context, operation_name: operation_name)
|
|
end
|
|
|
|
def query
|
|
params[:query]
|
|
end
|
|
|
|
def multiplex_queries
|
|
params[:_json].map do |single_query_info|
|
|
{
|
|
query: single_query_info[:query],
|
|
variables: build_variables(single_query_info[:variables]),
|
|
operation_name: single_query_info[:operationName],
|
|
context: context
|
|
}
|
|
end
|
|
end
|
|
|
|
def context
|
|
@context ||= { current_user: current_user }
|
|
end
|
|
|
|
def build_variables(variable_info)
|
|
Gitlab::Graphql::Variables.new(variable_info).to_h
|
|
end
|
|
|
|
def multiplex?
|
|
params[:_json].present?
|
|
end
|
|
|
|
def authorize_access_api!
|
|
access_denied!("API not accessible for user.") unless can?(current_user, :access_api)
|
|
end
|
|
|
|
# Overridden from the ApplicationController to make the response look like
|
|
# a GraphQL response. That is nicely picked up in Graphiql.
|
|
def render_404
|
|
render_error("Not found!", status: :not_found)
|
|
end
|
|
|
|
def render_error(message, status: 500)
|
|
error = { errors: [message: message] }
|
|
|
|
render json: error, status: status
|
|
end
|
|
end
|