koa-proxy-middleware

<!doctype html> <html lang="en"> <head> <title>Code coverage report for koa-proxy-middleware/lib/proxy.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../prettify.css" /> <link rel="stylesheet" href="../../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../../index.html">All files</a> / <a href="index.html">koa-proxy-middleware/lib</a> proxy.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 100% Statements 36/36 </div> <div class='fl pad1y space-right2'> 81.25% Branches 13/16 </div> <div class='fl pad1y space-right2'> 100% Functions 8/8 </div> <div class='fl pad1y space-right2'> 100% Lines 35/35 </div> </div> </div> <div class='status-line high'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72</td><td class="line-coverage quiet">  1x 1x 1x 1x 1x   1x   2x 2x 2x 2x     6x 23x 23x 15x   8x 8x 8x 8x 8x 8x 8x 1x         1x 1x 1x   1x 1x             2x 2x 2x 2x 6x 6x                           1x         2x      </td><td class="text"><pre class="prettyprint lang-js">'use strict'; const { check_params, handle } = require('./base'); const HttpProxy = require('http-proxy'); const proxyServer = HttpProxy.createProxyServer(); const compose = require('koa-compose'); const Logger = require('../util/logger');   module.exports = class Proxy { constructor(option) { this.options = check_params(option); this.log = Logger(this.options.logLevel); const mildArr = this.proxy(); return compose(mildArr); } nginx(context, options) { return (ctx, next) => { const path = ctx.url.indexOf('?') !== -1 ? ctx.url.substr(0, ctx.url.indexOf('?')) : ctx.url; if (!new RegExp('^' + context + '(/|/\\w+)*$').test(path)) { return next(); } const { rewrite, target } = options; ctx.req.body = ctx.request.body || null; options.headers = ctx.request.headers; return new Promise(resolve => { ctx.req.url = rewrite(ctx.url); this.log.info(`- proxy - ${ctx.req.method} ${target}${ctx.req.url}`); proxyServer.web(ctx.req, ctx.res, options, e => { const status = { ECONNRESET: 502, ECONNREFUSED: 503, ETIMEOUT: 504, }[ e.code ]; Eif (status) ctx.status = status; Eif (this.options.handleError) { this.options.handleError.call(null, { e, req: ctx.req, res: ctx.res }); } this.log.error(`- proxy - ${ctx.status} ${ctx.req.method} ${target}${ctx.req.url}`); resolve(); }); }); }; }   proxy() { const { proxies, rewrite, proxyTimeout } = this.options; handle(proxyServer, this.options); const mildArr = []; proxies.forEach(proxy => { const pattern = new RegExp('^/' + proxy.context + '(/|/w+)?'); mildArr.push( this.nginx('/' + proxy.context, { // 校验局部参数 target: proxy.host, changeOrigin: true, xfwd: true, /* * 先后顺序： * 1, 局部rewrite值为false的情况，不进行路径的rewrite * 2，局部自定义rewrite * 3, rewrite值为false的情况，不进行rewrite * 4，全局自定义rewrite * 5，默认去除context */ rewrite: proxy.rewrite === false ? path => path.replace(/^\//, '') : proxy.rewrite || rewrite(pattern), proxyTimeout: proxy.proxyTimeout || proxyTimeout, }) ); }); return mildArr; } };  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank">istanbul</a> at Mon Dec 16 2019 07:25:42 GMT+0000 (UTC) </div> </div> <script src="../../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../../sorter.js"></script> </body> </html>