72 lines
3.1 KiB
JavaScript
72 lines
3.1 KiB
JavaScript
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"use strict";
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.acceptCrossOrigin = exports.fetchBody = exports.respondStatic = exports.respondWithJSON = exports.respond500 = exports.respond404 = exports.respond204 = exports.addPreventCachingHeaders = exports.PREVENT_CACHING_HEADERS = void 0;
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const lodash_1 = require("lodash");
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const promisify_stream_1 = __importDefault(require("../utils/promisify-stream"));
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const builtin_header_names_1 = __importDefault(require("../request-pipeline/builtin-header-names"));
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const json_1 = require("./json");
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const STATIC_RESOURCES_DEFAULT_CACHING_OPTIONS = {
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maxAge: 30,
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mustRevalidate: true,
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};
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exports.PREVENT_CACHING_HEADERS = {
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[builtin_header_names_1.default.cacheControl]: 'no-cache, no-store, must-revalidate',
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[builtin_header_names_1.default.pragma]: 'no-cache',
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};
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function addPreventCachingHeaders(res) {
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res.setHeader(builtin_header_names_1.default.cacheControl, exports.PREVENT_CACHING_HEADERS[builtin_header_names_1.default.cacheControl]);
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res.setHeader(builtin_header_names_1.default.pragma, exports.PREVENT_CACHING_HEADERS[builtin_header_names_1.default.pragma]);
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}
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exports.addPreventCachingHeaders = addPreventCachingHeaders;
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function respond204(res) {
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res.statusCode = 204;
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res.end();
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}
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exports.respond204 = respond204;
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function respond404(res) {
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res.statusCode = 404;
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res.end();
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}
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exports.respond404 = respond404;
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function respond500(res, err = '') {
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res.statusCode = 500;
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res.end(err);
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}
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exports.respond500 = respond500;
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function respondWithJSON(res, data, skipContentType, shouldAcceptCrossOrigin) {
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if (!skipContentType)
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res.setHeader(builtin_header_names_1.default.contentType, 'application/json');
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// NOTE: GH-105
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addPreventCachingHeaders(res);
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if (shouldAcceptCrossOrigin)
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acceptCrossOrigin(res);
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res.end(data ? (0, json_1.stringify)(data) : '');
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}
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exports.respondWithJSON = respondWithJSON;
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function respondStatic(req, res, resource, cachingOptions = {}) {
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cachingOptions = (0, lodash_1.defaultsDeep)(cachingOptions, STATIC_RESOURCES_DEFAULT_CACHING_OPTIONS);
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if (resource.etag === req.headers[builtin_header_names_1.default.ifNoneMatch]) {
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res.statusCode = 304;
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res.end();
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}
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else {
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const { maxAge, mustRevalidate } = cachingOptions;
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res.setHeader(builtin_header_names_1.default.cacheControl, `max-age=${maxAge}${mustRevalidate ? ', must-revalidate' : ''}`);
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res.setHeader(builtin_header_names_1.default.eTag, resource.etag);
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res.setHeader(builtin_header_names_1.default.contentType, resource.contentType);
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res.end(resource.content);
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}
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}
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exports.respondStatic = respondStatic;
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function fetchBody(r, contentLength) {
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return (0, promisify_stream_1.default)(r, contentLength);
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}
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exports.fetchBody = fetchBody;
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function acceptCrossOrigin(res) {
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res.setHeader('access-control-allow-origin', '*');
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}
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exports.acceptCrossOrigin = acceptCrossOrigin;
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