add "request key" mechanism to protect resources such as auth

frontend/src/components/overlays/Settings.svelte

@@ -16,21 +16,13 @@
         });
     };
 
-    const doSuperuserPrompt = () => {
+    const doSuperuserPrompt = async () => {
-        overlayStore.open("prompt", {
+        const { ok } = await request("POST", apiRoute("users/self/promote"), true);
-            heading: "Become Superuser",
-            valueName: "Superuser Key",
-            async onSubmit(value) {
-                const { ok } = await request("POST", apiRoute("users/self/promote"), true, {
-                    key: value
-                });
         if (ok) {
             overlayStore.open("toast", { message: "You have been promoted to superuser" });
         } else {
             overlayStore.open("toast", { message: "Failed to promote to superuser" });
         }
-            }
-        });
     };
 </script>
 

frontend/src/request.js

@@ -1,4 +1,6 @@
 import { getItem } from "./storage";
+// TODO: circular dependency
+import { overlayStore } from "./stores";
 
 export function compatibleFetch(endpoint, options) {
     if (window.fetch && typeof window.fetch === "function") {
@@ -30,7 +32,8 @@ export function compatibleFetch(endpoint, options) {
     }
 }
 
-export default async function(method, endpoint, auth=true, body=null) {
+export default function doRequest(method, endpoint, auth=true, body=null, _keyEntryDepth=false) {
+    return new Promise(async (resolve, reject) => {
         const options = {
             method,  
         };
@@ -55,18 +58,45 @@ export default async function(method, endpoint, auth=true, body=null) {
     
         try {
             const res = await compatibleFetch(endpoint, options);
-        return {
+            const json = res.status === 204 ? {} : await res.json();
+    
+            if (res.status === 403 && json.code && json.code === 6006 && !_keyEntryDepth) {
+                // This endpoint is password-protected
+                overlayStore.open("prompt", {
+                    heading: "Enter Key For Resource",
+                    valueName: "Key",
+                    async onSubmit(value) {
+                        const response = await doRequest(method, endpoint, auth, {
+                            ...(body || {}),
+                            requestKey: value
+                        }, true);
+                        resolve(response);
+                    },
+                    onClose() {
+                        resolve({
                             success: true,
-            json: res.status === 204 ? null : await res.json(),
+                            json,
                             ok: res.ok,
                             status: res.status
+                        });
                     }
+                });
+                return;
+            }
+    
+            return resolve({
+                success: true,
+                json,
+                ok: res.ok,
+                status: res.status
+            });
         } catch (e) {
-        return {
+            return resolve({
                 success: false,
                 json: null,
                 ok: false,
                 status: null
+            });
         }
-    }
+    });
 }

src/errors.ts

@@ -4,7 +4,7 @@ export const errors = {
     BAD_AUTH: { code: 6003, message: "Bad authentication" },
     NOT_FOUND: { code: 6004, message: "Not found" },
     FORBIDDEN_DUE_TO_MISSING_PERMISSIONS: { code: 6005, message: "Forbidden due to missing permission(s)" },
-    BAD_SUPERUSER_KEY: { code: 6006, message: "Bad superuser key" },
+    BAD_REQUEST_KEY: { code: 6006, message: "Bad request key" },
     GOT_NO_DATABASE_DATA: { code: 7001, message: "Unexpectedly got no data from database" },
     FEATURE_DISABLED: { code: 7002, message: "This feature is disabled" },
     INTERNAL_ERROR: { code: 7003, message: "Internal server error" }

src/routes/api/v1/users.ts

@@ -2,14 +2,13 @@ import { errors } from "../../../errors";
 import { query } from "../../../database";
 import express from "express";
 import { body, validationResult } from "express-validator";
-import { compare, hash } from "bcrypt";
+import { compare, hash, hashSync } from "bcrypt";
 import { authenticateRoute, signToken } from "../../../auth";
-import { dispatch } from "../../../gateway";
-import { GatewayPayloadType } from "../../../gateway/gatewaypayloadtype";
 
 const router = express.Router();
 
-const superuserKey = process.env.SUPERUSER_KEY || "";
+const superuserKey = process.env.SUPERUSER_KEY ? hashSync(process.env.SUPERUSER_KEY, 10) : null;
+const authRequestKey = process.env.AUTH_REQUEST_KEY ? hashSync(process.env.AUTH_REQUEST_KEY, 10) : null;
 
 router.post(
     "/register",
@@ -20,6 +19,16 @@ router.post(
             return res.status(403).json({ ...errors.FEATURE_DISABLED });
         }
 
+        if (authRequestKey) {
+            if (!req.body.requestKey) {
+                return res.status(403).json({ ...errors.BAD_REQUEST_KEY });
+            }
+            const result = await compare(req.body.requestKey, authRequestKey);
+            if (!result) {
+                return res.status(403).json({ ...errors.BAD_REQUEST_KEY });
+            }
+        }
+
         const validationErrors = validationResult(req);
         if (!validationErrors.isEmpty()) {
             return res.status(400).json({ ...errors.INVALID_DATA, errors: validationErrors.array() });
@@ -52,6 +61,16 @@ router.post(
     body("username").isLength({ min: 3, max: 32 }).isAlphanumeric("en-US", { ignore: " _-" }),
     body("password").isLength({ min: 8, max: 1000 }),
     async (req, res) => {
+        if (authRequestKey) {
+            if (!req.body.requestKey) {
+                return res.status(403).json({ ...errors.BAD_REQUEST_KEY });
+            }
+            const result = await compare(req.body.requestKey, authRequestKey);
+            if (!result) {
+                return res.status(403).json({ ...errors.BAD_REQUEST_KEY });
+            }
+        }
+
         const validationErrors = validationResult(req);
         if (!validationErrors.isEmpty()) {
             return res.status(400).json({ ...errors.BAD_LOGIN_CREDENTIALS });
@@ -85,17 +104,20 @@ router.get(
 router.post(
     "/self/promote",
     authenticateRoute(),
-    body("key").isLength({ min: 1, max: 3000 }),
+    body("requestKey").isLength({ min: 1, max: 3000 }),
     async (req, res) => {
+        if (!superuserKey) {
+            return res.status(403).json({ ...errors.FEATURE_DISABLED });
+        }
 
         const validationErrors = validationResult(req);
         if (!validationErrors.isEmpty()) {
-            return res.status(403).json({ ...errors.BAD_SUPERUSER_KEY });
+            return res.status(403).json({ ...errors.BAD_REQUEST_KEY });
         }
 
-        const { key } = req.body;
+        const matches = await compare(req.body.requestKey, superuserKey);
 
-        if (superuserKey && superuserKey.length >= 1 && key === superuserKey && req.user) {
+        if (matches) {
             const updateUserResult = await query("UPDATE users SET is_superuser = true WHERE id = $1", [req.user.id]);
             if (!updateUserResult || updateUserResult.rowCount < 1) {
                 return res.status(500).json({
@@ -105,7 +127,7 @@ router.post(
             return res.status(200).json({});
         }
 
-        return res.status(403).json({ ...errors.BAD_SUPERUSER_KEY });
+        return res.status(403).json({ ...errors.BAD_REQUEST_KEY });
     }
 );