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| 1 | +/** |
| 2 | + * Copyright (c) 2023 Fabio Massaioli, Robert Groh and other contributors |
| 3 | + * |
| 4 | + * Permission is hereby granted, free of charge, to any person obtaining a copy of |
| 5 | + * this software and associated documentation files (the 'Software'), to deal in |
| 6 | + * the Software without restriction, including without limitation the rights to |
| 7 | + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of |
| 8 | + * the Software, and to permit persons to whom the Software is furnished to do so, |
| 9 | + * subject to the following conditions: |
| 10 | + * |
| 11 | + * The above copyright notice and this permission notice shall be included in all |
| 12 | + * copies or substantial portions of the Software. |
| 13 | + * |
| 14 | + * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS |
| 16 | + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR |
| 17 | + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER |
| 18 | + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 19 | + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 20 | + */ |
| 21 | + |
| 22 | +'use strict'; |
| 23 | +/*global describe, it, before, after */ |
| 24 | +/*jshint node: true */ |
| 25 | +/*jshint expr: true*/ |
| 26 | + |
| 27 | +const fcgiHandler = require('fcgi-handler'), |
| 28 | + http = require('http'), |
| 29 | + stream = require('stream'), |
| 30 | + expect = require('chai').expect; |
| 31 | + |
| 32 | +const fcgi = require('../../../index.js'); |
| 33 | + |
| 34 | +function timeoutSignal(ms) { |
| 35 | + const ctrl = new AbortController(); |
| 36 | + setTimeout(() => ctrl.abort(), ms); |
| 37 | + return ctrl.signal; |
| 38 | +} |
| 39 | + |
| 40 | +describe('stdin backpressuring server', function setup() { |
| 41 | + let httpURL; |
| 42 | + |
| 43 | + stream.setDefaultHighWaterMark(false, 3); |
| 44 | + |
| 45 | + before(function startFcgiServer(done) { |
| 46 | + function sendError(res, err) { |
| 47 | + res.writeHead(500, { |
| 48 | + 'Content-Type': 'text/plain; charset=utf-8', |
| 49 | + 'Content-Length': err.stack.length + 1 |
| 50 | + }); |
| 51 | + res.end(err.stack + '\n'); |
| 52 | + } |
| 53 | + |
| 54 | + const fcgiServer = fcgi.createServer(async function delayedRead(req, res) { |
| 55 | + await new Promise(r => setTimeout(r, 400)); |
| 56 | + |
| 57 | + let reqBody = ""; |
| 58 | + |
| 59 | + req.on('data', (data) => { reqBody += data.toString(); }); |
| 60 | + |
| 61 | + req.on('end', () => { |
| 62 | + try { |
| 63 | + const length = Buffer.byteLength(reqBody, "utf8"); |
| 64 | + |
| 65 | + res.writeHead(200, { |
| 66 | + 'Content-Type': 'text/plain; charset=utf-8', |
| 67 | + 'Content-Length': length |
| 68 | + }); |
| 69 | + res.end(reqBody); |
| 70 | + } catch (err) { |
| 71 | + sendError(res, err); |
| 72 | + } |
| 73 | + }); |
| 74 | + |
| 75 | + req.on('error', sendError.bind(null, res)); |
| 76 | + }) |
| 77 | + |
| 78 | + fcgiServer.listen(0, '127.0.0.1', function startHttpServer(err) { |
| 79 | + if (err) { |
| 80 | + done(err); |
| 81 | + return; |
| 82 | + } |
| 83 | + |
| 84 | + const fcgiAddr = fcgiServer.address(); |
| 85 | + console.log(`fcgi server listening at ${fcgiAddr.address}:${fcgiAddr.port}`); |
| 86 | + |
| 87 | + const httpServer = http.createServer((req, res) => { |
| 88 | + fcgiHandler.connect({ |
| 89 | + __proto__: fcgiAddr, |
| 90 | + noDelay: true |
| 91 | + }, (err, fcgiProcess) => { |
| 92 | + if (err) |
| 93 | + sendError(res, err); |
| 94 | + else |
| 95 | + fcgiProcess.handle(req, res, {}); |
| 96 | + }); |
| 97 | + }); |
| 98 | + |
| 99 | + httpServer.listen(0, '127.0.0.1', (err) => { |
| 100 | + if (err) { |
| 101 | + done(err); |
| 102 | + return; |
| 103 | + } |
| 104 | + |
| 105 | + const httpAddr = httpServer.address(); |
| 106 | + console.log(`http server listening at ${httpAddr.address}:${httpAddr.port}`); |
| 107 | + |
| 108 | + httpURL = new URL(`http://${httpAddr.address}:${httpAddr.port}`); |
| 109 | + |
| 110 | + done(); |
| 111 | + }); |
| 112 | + }); |
| 113 | + }); |
| 114 | + |
| 115 | + it('should answer with the request body', async () => { |
| 116 | + const reqBody1 = "Hello "; |
| 117 | + const reqBody2 = "World!"; |
| 118 | + |
| 119 | + const res = await new Promise((resolve, reject) => { |
| 120 | + try { |
| 121 | + const req = http.request(httpURL, { |
| 122 | + method: 'POST', |
| 123 | + headers: { |
| 124 | + 'Content-Type': "text/plain; charset=utf8" |
| 125 | + }, |
| 126 | + noDelay: true, |
| 127 | + signal: timeoutSignal(1000) |
| 128 | + }, resolve); |
| 129 | + |
| 130 | + req.on('error', reject); |
| 131 | + |
| 132 | + req.write(reqBody1); |
| 133 | + |
| 134 | + setTimeout(() => { |
| 135 | + try { |
| 136 | + req.write(reqBody2); |
| 137 | + req.end(); |
| 138 | + } catch (err) { |
| 139 | + reject(err); |
| 140 | + } |
| 141 | + }, 800); |
| 142 | + } catch (err) { |
| 143 | + reject(err); |
| 144 | + } |
| 145 | + }); |
| 146 | + |
| 147 | + expect(res.statusCode).to.be.equal(200); |
| 148 | + |
| 149 | + let body = ""; |
| 150 | + for await (const chunk of res) |
| 151 | + body += chunk; |
| 152 | + |
| 153 | + expect(body).to.be.equal(reqBody1 + reqBody2); |
| 154 | + }); |
| 155 | +}); |
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