330 lines
14 KiB
JavaScript
330 lines
14 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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Object.defineProperty(exports, "apiResolver", {
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enumerable: true,
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get: function() {
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return apiResolver;
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}
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});
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const _bytes = /*#__PURE__*/ _interop_require_default(require("next/dist/compiled/bytes"));
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const _etag = require("../../lib/etag");
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const _sendpayload = require("../../send-payload");
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const _stream = require("stream");
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const _iserror = /*#__PURE__*/ _interop_require_default(require("../../../lib/is-error"));
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const _utils = require("../../../shared/lib/utils");
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const _interopdefault = require("../../../lib/interop-default");
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const _index = require("./../index");
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const _getcookieparser = require("./../get-cookie-parser");
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const _constants = require("../../../lib/constants");
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const _trygetpreviewdata = require("./try-get-preview-data");
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const _parsebody = require("./parse-body");
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function _interop_require_default(obj) {
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return obj && obj.__esModule ? obj : {
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default: obj
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};
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}
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function getMaxContentLength(responseLimit) {
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if (responseLimit && typeof responseLimit !== "boolean") {
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return _bytes.default.parse(responseLimit);
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}
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return _index.RESPONSE_LIMIT_DEFAULT;
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}
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/**
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* Send `any` body to response
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* @param req request object
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* @param res response object
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* @param body of response
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*/ function sendData(req, res, body) {
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if (body === null || body === undefined) {
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res.end();
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return;
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}
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// strip irrelevant headers/body
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if (res.statusCode === 204 || res.statusCode === 304) {
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res.removeHeader("Content-Type");
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res.removeHeader("Content-Length");
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res.removeHeader("Transfer-Encoding");
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if (process.env.NODE_ENV === "development" && body) {
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console.warn(`A body was attempted to be set with a 204 statusCode for ${req.url}, this is invalid and the body was ignored.\n` + `See more info here https://nextjs.org/docs/messages/invalid-api-status-body`);
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}
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res.end();
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return;
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}
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const contentType = res.getHeader("Content-Type");
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if (body instanceof _stream.Stream) {
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if (!contentType) {
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res.setHeader("Content-Type", "application/octet-stream");
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}
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body.pipe(res);
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return;
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}
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const isJSONLike = [
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"object",
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"number",
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"boolean"
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].includes(typeof body);
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const stringifiedBody = isJSONLike ? JSON.stringify(body) : body;
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const etag = (0, _etag.generateETag)(stringifiedBody);
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if ((0, _sendpayload.sendEtagResponse)(req, res, etag)) {
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return;
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}
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if (Buffer.isBuffer(body)) {
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if (!contentType) {
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res.setHeader("Content-Type", "application/octet-stream");
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}
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res.setHeader("Content-Length", body.length);
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res.end(body);
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return;
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}
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if (isJSONLike) {
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res.setHeader("Content-Type", "application/json; charset=utf-8");
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}
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res.setHeader("Content-Length", Buffer.byteLength(stringifiedBody));
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res.end(stringifiedBody);
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}
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/**
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* Send `JSON` object
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* @param res response object
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* @param jsonBody of data
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*/ function sendJson(res, jsonBody) {
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// Set header to application/json
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res.setHeader("Content-Type", "application/json; charset=utf-8");
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// Use send to handle request
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res.send(JSON.stringify(jsonBody));
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}
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function isValidData(str) {
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return typeof str === "string" && str.length >= 16;
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}
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function setDraftMode(res, options) {
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if (!isValidData(options.previewModeId)) {
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throw new Error("invariant: invalid previewModeId");
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}
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const expires = options.enable ? undefined : new Date(0);
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// To delete a cookie, set `expires` to a date in the past:
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// https://tools.ietf.org/html/rfc6265#section-4.1.1
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// `Max-Age: 0` is not valid, thus ignored, and the cookie is persisted.
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const { serialize } = require("next/dist/compiled/cookie");
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const previous = res.getHeader("Set-Cookie");
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res.setHeader(`Set-Cookie`, [
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...typeof previous === "string" ? [
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previous
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] : Array.isArray(previous) ? previous : [],
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serialize(_index.COOKIE_NAME_PRERENDER_BYPASS, options.previewModeId, {
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httpOnly: true,
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sameSite: process.env.NODE_ENV !== "development" ? "none" : "lax",
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secure: process.env.NODE_ENV !== "development",
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path: "/",
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expires
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})
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]);
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return res;
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}
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function setPreviewData(res, data, options) {
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if (!isValidData(options.previewModeId)) {
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throw new Error("invariant: invalid previewModeId");
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}
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if (!isValidData(options.previewModeEncryptionKey)) {
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throw new Error("invariant: invalid previewModeEncryptionKey");
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}
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if (!isValidData(options.previewModeSigningKey)) {
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throw new Error("invariant: invalid previewModeSigningKey");
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}
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const jsonwebtoken = require("next/dist/compiled/jsonwebtoken");
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const { encryptWithSecret } = require("../../crypto-utils");
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const payload = jsonwebtoken.sign({
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data: encryptWithSecret(Buffer.from(options.previewModeEncryptionKey), JSON.stringify(data))
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}, options.previewModeSigningKey, {
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algorithm: "HS256",
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...options.maxAge !== undefined ? {
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expiresIn: options.maxAge
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} : undefined
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});
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// limit preview mode cookie to 2KB since we shouldn't store too much
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// data here and browsers drop cookies over 4KB
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if (payload.length > 2048) {
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throw new Error(`Preview data is limited to 2KB currently, reduce how much data you are storing as preview data to continue`);
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}
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const { serialize } = require("next/dist/compiled/cookie");
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const previous = res.getHeader("Set-Cookie");
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res.setHeader(`Set-Cookie`, [
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...typeof previous === "string" ? [
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previous
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] : Array.isArray(previous) ? previous : [],
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serialize(_index.COOKIE_NAME_PRERENDER_BYPASS, options.previewModeId, {
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httpOnly: true,
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sameSite: process.env.NODE_ENV !== "development" ? "none" : "lax",
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secure: process.env.NODE_ENV !== "development",
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path: "/",
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...options.maxAge !== undefined ? {
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maxAge: options.maxAge
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} : undefined,
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...options.path !== undefined ? {
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path: options.path
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} : undefined
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}),
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serialize(_index.COOKIE_NAME_PRERENDER_DATA, payload, {
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httpOnly: true,
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sameSite: process.env.NODE_ENV !== "development" ? "none" : "lax",
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secure: process.env.NODE_ENV !== "development",
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path: "/",
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...options.maxAge !== undefined ? {
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maxAge: options.maxAge
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} : undefined,
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...options.path !== undefined ? {
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path: options.path
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} : undefined
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})
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]);
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return res;
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}
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async function revalidate(urlPath, opts, req, context) {
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if (typeof urlPath !== "string" || !urlPath.startsWith("/")) {
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throw new Error(`Invalid urlPath provided to revalidate(), must be a path e.g. /blog/post-1, received ${urlPath}`);
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}
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const revalidateHeaders = {
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[_constants.PRERENDER_REVALIDATE_HEADER]: context.previewModeId,
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...opts.unstable_onlyGenerated ? {
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[_constants.PRERENDER_REVALIDATE_ONLY_GENERATED_HEADER]: "1"
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} : {}
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};
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const allowedRevalidateHeaderKeys = [
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...context.allowedRevalidateHeaderKeys || [],
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...context.trustHostHeader ? [
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"cookie",
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"x-vercel-protection-bypass"
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] : []
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];
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for (const key of Object.keys(req.headers)){
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if (allowedRevalidateHeaderKeys.includes(key)) {
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revalidateHeaders[key] = req.headers[key];
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}
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}
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try {
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if (context.trustHostHeader) {
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const res = await fetch(`https://${req.headers.host}${urlPath}`, {
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method: "HEAD",
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headers: revalidateHeaders
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});
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// we use the cache header to determine successful revalidate as
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// a non-200 status code can be returned from a successful revalidate
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// e.g. notFound: true returns 404 status code but is successful
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const cacheHeader = res.headers.get("x-vercel-cache") || res.headers.get("x-nextjs-cache");
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if ((cacheHeader == null ? void 0 : cacheHeader.toUpperCase()) !== "REVALIDATED" && !(res.status === 404 && opts.unstable_onlyGenerated)) {
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throw new Error(`Invalid response ${res.status}`);
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}
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} else if (context.revalidate) {
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await context.revalidate({
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urlPath,
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revalidateHeaders,
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opts
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});
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} else {
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throw new Error(`Invariant: required internal revalidate method not passed to api-utils`);
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}
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} catch (err) {
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throw new Error(`Failed to revalidate ${urlPath}: ${(0, _iserror.default)(err) ? err.message : err}`);
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}
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}
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async function apiResolver(req, res, query, resolverModule, apiContext, propagateError, dev, page) {
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const apiReq = req;
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const apiRes = res;
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try {
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var _config_api, _config_api1, _config_api2;
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if (!resolverModule) {
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res.statusCode = 404;
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res.end("Not Found");
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return;
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}
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const config = resolverModule.config || {};
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const bodyParser = ((_config_api = config.api) == null ? void 0 : _config_api.bodyParser) !== false;
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const responseLimit = ((_config_api1 = config.api) == null ? void 0 : _config_api1.responseLimit) ?? true;
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const externalResolver = ((_config_api2 = config.api) == null ? void 0 : _config_api2.externalResolver) || false;
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// Parsing of cookies
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(0, _index.setLazyProp)({
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req: apiReq
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}, "cookies", (0, _getcookieparser.getCookieParser)(req.headers));
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// Parsing query string
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apiReq.query = query;
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// Parsing preview data
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(0, _index.setLazyProp)({
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req: apiReq
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}, "previewData", ()=>(0, _trygetpreviewdata.tryGetPreviewData)(req, res, apiContext, !!apiContext.multiZoneDraftMode));
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// Checking if preview mode is enabled
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(0, _index.setLazyProp)({
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req: apiReq
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}, "preview", ()=>apiReq.previewData !== false ? true : undefined);
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// Set draftMode to the same value as preview
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(0, _index.setLazyProp)({
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req: apiReq
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}, "draftMode", ()=>apiReq.preview);
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// Parsing of body
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if (bodyParser && !apiReq.body) {
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apiReq.body = await (0, _parsebody.parseBody)(apiReq, config.api && config.api.bodyParser && config.api.bodyParser.sizeLimit ? config.api.bodyParser.sizeLimit : "1mb");
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}
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let contentLength = 0;
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const maxContentLength = getMaxContentLength(responseLimit);
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const writeData = apiRes.write;
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const endResponse = apiRes.end;
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apiRes.write = (...args)=>{
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contentLength += Buffer.byteLength(args[0] || "");
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return writeData.apply(apiRes, args);
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};
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apiRes.end = (...args)=>{
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if (args.length && typeof args[0] !== "function") {
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contentLength += Buffer.byteLength(args[0] || "");
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}
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if (responseLimit && contentLength >= maxContentLength) {
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console.warn(`API response for ${req.url} exceeds ${_bytes.default.format(maxContentLength)}. API Routes are meant to respond quickly. https://nextjs.org/docs/messages/api-routes-response-size-limit`);
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}
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return endResponse.apply(apiRes, args);
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};
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apiRes.status = (statusCode)=>(0, _index.sendStatusCode)(apiRes, statusCode);
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apiRes.send = (data)=>sendData(apiReq, apiRes, data);
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apiRes.json = (data)=>sendJson(apiRes, data);
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apiRes.redirect = (statusOrUrl, url)=>(0, _index.redirect)(apiRes, statusOrUrl, url);
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apiRes.setDraftMode = (options = {
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enable: true
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})=>setDraftMode(apiRes, Object.assign({}, apiContext, options));
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apiRes.setPreviewData = (data, options = {})=>setPreviewData(apiRes, data, Object.assign({}, apiContext, options));
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apiRes.clearPreviewData = (options = {})=>(0, _index.clearPreviewData)(apiRes, options);
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apiRes.revalidate = (urlPath, opts)=>revalidate(urlPath, opts || {}, req, apiContext);
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const resolver = (0, _interopdefault.interopDefault)(resolverModule);
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let wasPiped = false;
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if (process.env.NODE_ENV !== "production") {
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// listen for pipe event and don't show resolve warning
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res.once("pipe", ()=>wasPiped = true);
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}
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const apiRouteResult = await resolver(req, res);
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if (process.env.NODE_ENV !== "production") {
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if (typeof apiRouteResult !== "undefined") {
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if (apiRouteResult instanceof Response) {
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throw new Error('API route returned a Response object in the Node.js runtime, this is not supported. Please use `runtime: "edge"` instead: https://nextjs.org/docs/api-routes/edge-api-routes');
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}
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console.warn(`API handler should not return a value, received ${typeof apiRouteResult}.`);
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}
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if (!externalResolver && !(0, _utils.isResSent)(res) && !wasPiped) {
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console.warn(`API resolved without sending a response for ${req.url}, this may result in stalled requests.`);
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}
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}
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} catch (err) {
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if (err instanceof _index.ApiError) {
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(0, _index.sendError)(apiRes, err.statusCode, err.message);
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} else {
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if (dev) {
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if ((0, _iserror.default)(err)) {
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err.page = page;
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}
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throw err;
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}
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console.error(err);
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if (propagateError) {
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throw err;
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}
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(0, _index.sendError)(apiRes, 500, "Internal Server Error");
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}
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}
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}
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//# sourceMappingURL=api-resolver.js.map
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