utils cleanup, initial static generation

src/utils/proxy/http.js

@@ -0,0 +1,87 @@
+/* eslint-disable prefer-promise-reject-errors */
+/* eslint-disable no-param-reassign */
+import { http, https } from "follow-redirects";
+
+import { addCookieToJar, setCookieHeader } from "./cookie-jar";
+
+function addCookieHandler(url, params) {
+  setCookieHeader(url, params);
+
+  // handle cookies during redirects
+  params.beforeRedirect = (options, responseInfo) => {
+    addCookieToJar(options.href, responseInfo.headers);
+    setCookieHeader(options.href, options);
+  };
+}
+
+export function httpsRequest(url, params) {
+  return new Promise((resolve, reject) => {
+    addCookieHandler(url, params);
+    const request = https.request(url, params, (response) => {
+      const data = [];
+
+      response.on("data", (chunk) => {
+        data.push(chunk);
+      });
+
+      response.on("end", () => {
+        addCookieToJar(url, response.headers);
+        resolve([response.statusCode, response.headers["content-type"], Buffer.concat(data), response.headers]);
+      });
+    });
+
+    request.on("error", (error) => {
+      reject([500, error]);
+    });
+
+    if (params.body) {
+      request.write(params.body);
+    }
+
+    request.end();
+  });
+}
+
+export function httpRequest(url, params) {
+  return new Promise((resolve, reject) => {
+    addCookieHandler(url, params);
+    const request = http.request(url, params, (response) => {
+      const data = [];
+
+      response.on("data", (chunk) => {
+        data.push(chunk);
+      });
+
+      response.on("end", () => {
+        addCookieToJar(url, response.headers);
+        resolve([response.statusCode, response.headers["content-type"], Buffer.concat(data), response.headers]);
+      });
+    });
+
+    request.on("error", (error) => {
+      reject([500, error]);
+    });
+
+    if (params.body) {
+      request.write(params.body);
+    }
+
+    request.end();
+  });
+}
+
+export function httpProxy(url, params = {}) {
+  const constructedUrl = new URL(url);
+
+  if (constructedUrl.protocol === "https:") {
+    const httpsAgent = new https.Agent({
+      rejectUnauthorized: false,
+    });
+
+    return httpsRequest(constructedUrl, {
+      agent: httpsAgent,
+      ...params,
+    });
+  }
+  return httpRequest(constructedUrl, params);
+}