55 lines
1.6 KiB
JavaScript
55 lines
1.6 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 new ApiError(400, "Invalid JSON");
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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 new ApiError(413, `Body exceeded ${limit} limit`);
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} else {
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throw new ApiError(400, "Invalid body");
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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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