add electron

electron/proxyServer.js

@@ -0,0 +1,48 @@
+// use this proxy server to debug ipfs api requests made by electron
+
+const http = require('http');
+const httpProxy = require('http-proxy');
+
+// start proxy
+const proxy = httpProxy.createProxyServer({});
+
+// rewrite the request
+proxy.on('proxyReq', function (proxyReq, req, res, options) {
+  // remove headers that could potentially cause an ipfs 403 error
+  proxyReq.removeHeader('X-Forwarded-For');
+  proxyReq.removeHeader('X-Forwarded-Proto');
+  proxyReq.removeHeader('sec-ch-ua');
+  proxyReq.removeHeader('sec-ch-ua-mobile');
+  proxyReq.removeHeader('user-agent');
+  proxyReq.removeHeader('origin');
+  proxyReq.removeHeader('sec-fetch-site');
+  proxyReq.removeHeader('sec-fetch-mode');
+  proxyReq.removeHeader('sec-fetch-dest');
+  proxyReq.removeHeader('referer');
+});
+proxy.on('error', (e) => {
+  console.error(e);
+});
+
+// start server
+const start = ({ proxyPort, targetPort } = {}) => {
+  const server = http.createServer();
+
+  // never timeout the keep alive connection
+  server.keepAliveTimeout = 0;
+
+  server.on('request', async (req, res) => {
+    console.log(new Date().toISOString(), req.method, req.url, req.rawHeaders);
+
+    // fix cors error from dev url localhost:3000
+    // should not be necessary in production build using file url
+    res.setHeader('Access-Control-Allow-Origin', '*');
+
+    proxy.web(req, res, { target: `http://localhost:${targetPort}` });
+  });
+  server.on('error', console.error);
+  server.listen(proxyPort);
+  console.log(`proxy server listening on port ${proxyPort}`);
+};
+
+module.exports = { start };