67 lines
2.1 KiB
JavaScript
67 lines
2.1 KiB
JavaScript
import { parse } from 'next/dist/compiled/content-type';
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import isError from '../../../lib/is-error';
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import { ApiError } from '../index';
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/**
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* Parse `JSON` and handles invalid `JSON` strings
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* @param str `JSON` string
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*/ function parseJson(str) {
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if (str.length === 0) {
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// special-case empty json body, as it's a common client-side mistake
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return {};
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}
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try {
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return JSON.parse(str);
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} catch (e) {
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throw Object.defineProperty(new ApiError(400, 'Invalid JSON'), "__NEXT_ERROR_CODE", {
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value: "E394",
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enumerable: false,
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configurable: true
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});
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}
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}
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/**
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* Parse incoming message like `json` or `urlencoded`
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* @param req request object
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*/ export async function parseBody(req, limit) {
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let contentType;
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try {
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contentType = parse(req.headers['content-type'] || 'text/plain');
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} catch {
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contentType = parse('text/plain');
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}
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const { type, parameters } = contentType;
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const encoding = parameters.charset || 'utf-8';
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let buffer;
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try {
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const getRawBody = require('next/dist/compiled/raw-body');
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buffer = await getRawBody(req, {
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encoding,
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limit
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});
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} catch (e) {
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if (isError(e) && e.type === 'entity.too.large') {
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throw Object.defineProperty(new ApiError(413, `Body exceeded ${limit} limit`), "__NEXT_ERROR_CODE", {
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value: "E394",
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enumerable: false,
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configurable: true
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});
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} else {
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throw Object.defineProperty(new ApiError(400, 'Invalid body'), "__NEXT_ERROR_CODE", {
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value: "E394",
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enumerable: false,
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configurable: true
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});
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}
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}
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const body = buffer.toString();
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if (type === 'application/json' || type === 'application/ld+json') {
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return parseJson(body);
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} else if (type === 'application/x-www-form-urlencoded') {
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const qs = require('querystring');
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return qs.decode(body);
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} else {
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return body;
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}
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}
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//# sourceMappingURL=parse-body.js.map
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