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'use strict';
const proxy = require('http-proxy-middleware');
const devConfig = require('./tools/getDevConfig');
let devPort = process.env.PORT || devConfig.port;
module.exports = function(server) {
let cookieRules = devConfig.proxyConfig.cookieReplaceRules;
let cookies = devConfig.proxyConfig.cookies;
console.log('---------------------');
let proxyConfigDefaults = {
changeOrigin: true,
secure: false,
onProxyRes: (proxyRes, req, res) => {
let setCookie = proxyRes.headers['set-cookie'];
if (setCookie) {
cookieRules.forEach(function(rule) {
setCookie[0] = setCookie[0].replace(
rule.replace,
rule.with
);
});
}
if (
proxyRes.statusCode === 302 &&
proxyRes.headers.location.indexOf(devConfig.proxyConfig.login) >
-1
) {
proxyRes.headers.location = `http://localhost:${devPort}/${
devConfig.proxyConfig.redirectionPath
}`;
let myCookies = [];
for (let cookie in cookies) {
myCookies.push(cookie + '=' + cookies[cookie]);
}
res.setHeader('Set-Cookie', myCookies);
}
}
};
let middlewares = [
(req, res, next) => {
devConfig.proxyConfig.urlReplaceRules.forEach(function(rule) {
if (req.url.indexOf(rule.url) > -1) {
req.url = req.url.replace(rule.replace, rule.with);
}
});
devConfig.proxyConfig.jsReplaceRules.forEach(function(rule) {
let regex = new RegExp('^(.*)' + rule.replace);
let match = req.url.match(regex);
let newUrl = match && match[1] + rule.with + '.js';
if (newUrl) {
console.log(`REWRITING URL: ${req.url} -> ${newUrl}`);
req.url = newUrl;
}
});
next();
}
];
let proxies = [];
// standalone back-end (proxyTarget) has higher priority, so it should be first
if (devConfig.proxyTarget) {
console.log('Onboarding proxy set to : ' + devConfig.proxyTarget);
proxies.push({
target: devConfig.proxyTarget,
config: devConfig.proxyConfig.onboardingProxy
});
} else {
console.log(
'Onboarding proxy set to : ' + devConfig.proxyCatalogTarget
);
}
console.log('Catalog proxy set to : ' + devConfig.proxyCatalogTarget);
proxies.push({
target: devConfig.proxyCatalogTarget,
config: devConfig.proxyConfig.catalogProxy
});
proxies.forEach(function(p) {
middlewares.push(
proxy(
p.config.proxy,
Object.assign({}, proxyConfigDefaults, {
target: p.target,
pathRewrite: p.config.rewrite
})
)
);
});
let websocketTarget = devConfig.proxyCatalogTarget;
if (devConfig.proxyWebsocketTarget) {
websocketTarget = devConfig.proxyWebsocketTarget;
}
console.log('Websocket proxy set to : ' + websocketTarget);
console.log('---------------------');
var wsProxy = proxy(
devConfig.proxyConfig.websocketProxy.proxy,
Object.assign({}, proxyConfigDefaults, {
target: websocketTarget,
ws: true
})
);
middlewares.push(wsProxy);
server.use(middlewares);
server.on('upgrade', wsProxy.upgrade);
};
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