const express = require("express"); const { createProxyMiddleware } = require("http-proxy-middleware"); const port = process.env.PORT || 3000; const fetch = require("node-fetch"); const api = createProxyMiddleware("/api", { target: "https://main.documentdb.ext.azure.com", changeOrigin: true, logLevel: "debug", bypass: (req, res) => { if (req.method === "OPTIONS") { res.statusCode = 200; res.send(); } }, }); const proxy = createProxyMiddleware("/proxy", { target: "https://main.documentdb.ext.azure.com", changeOrigin: true, secure: false, logLevel: "debug", pathRewrite: { "^/proxy": "" }, router: (req) => { let newTarget = req.headers["x-ms-proxy-target"]; return newTarget; }, }); const commit = createProxyMiddleware("/commit", { target: "https://cosmosexplorerpreview.blob.core.windows.net", changeOrigin: true, secure: false, logLevel: "debug", pathRewrite: { "^/commit": "$web/" }, }); const app = express(); app.use(api); app.use(proxy); app.use(commit); app.get("/pull/:pr(\\d+)", (req, res) => { const pr = req.params.pr; const [, query] = req.originalUrl.split("?"); const search = new URLSearchParams(query); fetch("https://api.github.com/repos/Azure/cosmos-explorer/pulls/" + pr) .then((response) => response.json()) .then(({ head: { ref, sha } }) => { const prUrl = new URL("https://github.com/Azure/cosmos-explorer/pull/" + pr); prUrl.hash = ref; search.set("feature.pr", prUrl.href); const explorer = new URL("https://cosmos-explorer-preview.azurewebsites.net/commit/" + sha + "/explorer.html"); explorer.search = search.toString(); const portal = new URL("https://ms.portal.azure.com/"); portal.searchParams.set("dataExplorerSource", explorer.href); return res.redirect(portal.href); }) .catch(() => res.sendStatus(500)); }); app.listen(port, () => { console.log(`Example app listening on port: ${port}`); });