50 lines
1.2 KiB
JavaScript
50 lines
1.2 KiB
JavaScript
'use strict';
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/**
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* Module dependencies.
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*/
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const raw = require('raw-body');
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const inflate = require('inflation');
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const qs = require('qs');
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const utils = require('./utils');
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/**
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* Return a Promise which parses x-www-form-urlencoded requests.
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*
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* Pass a node request or an object with `.req`,
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* such as a koa Context.
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*
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* @param {Request} req
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* @param {Options} [opts]
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* @return {Function}
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* @api public
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*/
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module.exports = async function(req, opts) {
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req = req.req || req;
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opts = utils.clone(opts);
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const queryString = opts.queryString || {};
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// keep compatibility with qs@4
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if (queryString.allowDots === undefined) queryString.allowDots = true;
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// defaults
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const len = req.headers['content-length'];
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const encoding = req.headers['content-encoding'] || 'identity';
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if (len && encoding === 'identity') opts.length = ~~len;
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opts.encoding = opts.encoding || 'utf8';
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opts.limit = opts.limit || '56kb';
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opts.qs = opts.qs || qs;
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const str = await raw(inflate(req), opts);
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try {
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const parsed = opts.qs.parse(str, queryString);
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return opts.returnRawBody ? { parsed, raw: str } : parsed;
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} catch (err) {
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err.status = 400;
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err.body = str;
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throw err;
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}
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};
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