Feat: Create custom header changer (#694)

* Add custom header adder

* Make custom headers work in apip

* remove unnecesarry console.logs

* Remove add-cookie button remains

* getFile and remove unnecesarry ifs

* Add warning and copy to code function

index.ts

@@ -6,19 +6,6 @@ import express from "express";
 import bodyParser from "body-parser";
 import * as pluginApi from "./test_web/api/plugins";
 import localizedFormat from "dayjs/plugin/localizedFormat";
-interface GlobalState {
-    UserAgent?: string,
-    Cookie?: string,
-}
-let globalState: GlobalState = {
-}
-
-export const getHeaders = () => {
-    return {
-       'User-Agent': globalState.UserAgent,
-       'Cookie': globalState.Cookie, 
-    };
-};
 
 const app = express();
 const port = 3000;
@@ -26,14 +13,27 @@ const host = "localhost";
 
 const dirname = path.join(__dirname, "..");
 
+export const getHeaders = () => {
+    return pluginApi.fetchHeaders;
+};
+
 app.use((req, res, next) => {
-    globalState.UserAgent = req.headers["user-agent"];
-    console.log('---------');
-    console.log('default headers: ', globalState);
-    console.log('---------');
-    console.log();
+    const xHeaders = req.headers["x-custom-headers"];
+    if (xHeaders && typeof xHeaders === "string") {
+        const headers = JSON.parse(xHeaders);
+        for (const [headerName, headerValue] of Object.entries(headers)) {
+            if (
+                typeof headerName === "string" &&
+                typeof headerValue === "string"
+            )
+                pluginApi.fetchHeaders[headerName] = headerValue;
+        }
+    }
+    if (pluginApi.fetchHeaders.userAgent)
+        console.log("Custom headers: ", pluginApi.fetchHeaders);
     next();
 });
+
 app.use(bodyParser.json());
 app.use("/static", express.static(path.join(dirname, "test_web", "static")));
 app.use("/icons", express.static(path.join(dirname, "icons")));
@@ -41,18 +41,10 @@ app.get("/all_plugins", (req, res) => {
     const allPlugins = pluginApi.all_plugins();
     res.json(allPlugins);
 });
-app.post("/add_cookie", async (req, res) => {
-    globalState.Cookie = req.body['cookie'];
-    console.log('---------');
-    console.log('default headers: ', globalState);
-    console.log('---------');
-    console.log();
-    res.json({});
-}); 
 app.post("/filters", async (req, res) => {
-    const filters = await pluginApi.getFilter(req.body['pluginRequirePath']);
+    const filters = await pluginApi.getFilter(req.body["pluginRequirePath"]);
     res.json(filters || []);
-})
+});
 app.post("/popularNovels/", async (req, res) => {
     const filters = req.body["filters"] || {};
     const showLatestNovels = req.body["showLatestNovels"] || false;
@@ -81,7 +73,7 @@ app.post("/parseChapter/", async (req, res) => {
         req.body["pluginRequirePath"],
         req.body["chapterUrl"]
     );
-    res.json(chapterText);
+    res.send(chapterText);
 });
 app.post("/fetchImage/", async (req, res) => {
     const base64 = await pluginApi.fetchImage(