48 lines
1.1 KiB
JavaScript
48 lines
1.1 KiB
JavaScript
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var rawBody = require("raw-body")
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var cache = require("continuable-cache")
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var parseArguments = require("./parse-arguments.js")
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var ONE_MB = 1024 * 1024
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var THUNK_KEY = '__npm_body_thunk_cache__';
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module.exports = body
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function parseBodyThunk(req, res, opts) {
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return function thunk(callback) {
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var limit = "limit" in opts ? opts.limit : ONE_MB
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var contentLength = req.headers ?
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Number(req.headers["content-length"]) : null;
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rawBody(req, {
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limit: limit,
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length: contentLength,
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encoding: "encoding" in opts ? opts.encoding : true
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}, callback);
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};
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}
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function body(req, res, opts, callback) {
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var args = parseArguments(req, res, opts, callback)
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req = args.req
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res = args.res
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opts = args.opts
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callback = args.callback
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var thunk;
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if (opts.cache) {
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var thunk = req[THUNK_KEY] ||
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cache(parseBodyThunk(req, res, opts));
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req[THUNK_KEY] = thunk;
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} else {
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thunk = parseBodyThunk(req, res, opts);
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}
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if (!callback) {
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return thunk;
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}
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thunk(callback);
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}
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