Apollo Request Size Limiter (requestLimiting/plugin.js)

An Apollo Server plugin that enforces limits on GraphQL query length and variable payload size to prevent resource exhaustion.

// Source: https://github.com/open-condo-software/condo | License: MIT | Copyright 2020 8IQ Software Company
// Provided via justclaw.it.com; keep this notice with the code.
const { GQLError, GQLErrorCode: { PAYLOAD_TOO_LARGE } } = require('@open-condo/keystone/errors')

const { validatePluginOptions } = require('./config.utils')
const {
    DEFAULT_REQUEST_LENGTH_LIMIT,
    DEFAULT_VARIABLES_SIZE_LIMIT_IN_BYTES,
    ROOT_QUERY_LENGTH_EXCEEDED_ERROR_TYPE,
    VARIABLES_SIZE_EXCEEDED_ERROR_TYPE,
} = require('./constants')
const { computeObjectSizeInBytes } = require('./size.utils')


class ApolloRequestLimitingPlugin {
    #queryLengthLimit = DEFAULT_REQUEST_LENGTH_LIMIT
    #variablesSizeLimit = DEFAULT_VARIABLES_SIZE_LIMIT_IN_BYTES

    constructor (opts = {}) {
        opts = validatePlu

... (truncated -- full source via MCP)