44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
"use strict";
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import RouterContext from 'powahroot/Server/RouterContext.mjs';
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//import { middleware_catch_errors } from './monitor.mjs';
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// Maximum body size in characters
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const max_request_body_length = 128 * 1024; // 128K
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function depostify(postdata) {
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return postdata.split("&").reduce(function (decoded, chunk) {
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chunk = chunk.split("=").map(decodeURIComponent);
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decoded[chunk[0]] = chunk[1];
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return decoded;
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}, {})
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}
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/**
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* Parses URL-encoded POST data out into the context.env.post_data variable.
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* @param {RouterContext} context The context object.
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* @param {Function} next Function to invoke the next middleware item
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*/
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async function middleware_parse_post(context, next) {
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let raw_post_data = "";
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context.request.on("data", async (chunk) => {
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if(raw_post_data.length + chunk.length > max_request_body_length) {
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context.send.plain(413, "Error: Request payload was too large.");
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return;
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}
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raw_post_data += chunk;
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});
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context.request.on("end", async () => {
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context.env.post_data = depostify(raw_post_data);
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// Institute another error-catching safety net. This is needed because
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// we're in an event here, which breaks the async chain.
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//await middleware_catch_errors(context, next);
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await next();
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});
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}
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export default middleware_parse_post;
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