From d218d951042c98135a4f6d329ca7df143a09abcb Mon Sep 17 00:00:00 2001
From: Martin Dimitrov <martin3dimitrov@gmail.com>
Date: Mon, 26 Feb 2024 20:41:58 -0800
Subject: [PATCH] define fixed pin auth mode

---
 .../server/src/middlewares/DoorAuthModes.ts   | 13 ++++++++++
 packages/server/src/routers/DoorRouter.ts     | 24 +++++++++----------
 packages/server/src/types/Environment.ts      |  2 ++
 packages/server/src/types/IDoor.ts            |  4 ----
 packages/server/src/types/RedisKeys.ts        |  4 ++++
 5 files changed, 30 insertions(+), 17 deletions(-)
 create mode 100644 packages/server/src/middlewares/DoorAuthModes.ts
 delete mode 100644 packages/server/src/types/IDoor.ts

diff --git a/packages/server/src/middlewares/DoorAuthModes.ts b/packages/server/src/middlewares/DoorAuthModes.ts
new file mode 100644
index 0000000..86c66ea
--- /dev/null
+++ b/packages/server/src/middlewares/DoorAuthModes.ts
@@ -0,0 +1,13 @@
+import { RequestHandler } from "express";
+import { getRedisClient } from "../clients/db/RedisDbProvider";
+
+const client = await getRedisClient();
+
+export const ValidQueryParamAuth: RequestHandler = async (req, res, next) => {
+  if (req.query['key'] !== '123') {
+    res.status(401).json({ msg: "Unauthorized" });
+    return;
+  }
+
+  next();
+};
\ No newline at end of file
diff --git a/packages/server/src/routers/DoorRouter.ts b/packages/server/src/routers/DoorRouter.ts
index 5c3d9d0..a4947d5 100644
--- a/packages/server/src/routers/DoorRouter.ts
+++ b/packages/server/src/routers/DoorRouter.ts
@@ -1,23 +1,13 @@
 import express from "express";
 import { getRedisClient } from "../clients/db/RedisDbProvider";
-import { IDoor } from "../types/IDoor";
-import { RedisKeys, concatKeys } from "../types/RedisKeys";
+import { RedisKeys, concatKeys, doorStatusKey } from "../types/RedisKeys";
+import { ValidQueryParamAuth } from "../middlewares/DoorAuthModes";
 
 const router = express.Router();
 const client = await getRedisClient();
 
-router.post('/:id', async(req, res) => {
-  const door: IDoor = req.body;
-
-  await client.getClient().hSet(concatKeys(RedisKeys.DOORS, req.params.id), {
-    ...door
-  });
-
-  res.status(200).json(door);
-});
-
 router.get('/:id/status', async(req, res) => {
-  const isOpen = await client.getClient().exists(concatKeys(RedisKeys.DOORS, req.params.id, 'open'));
+  const isOpen = await client.getClient().exists(doorStatusKey(req.params.id));
 
   if (isOpen) {
     res.status(200).json({ status: 'open' });
@@ -27,4 +17,12 @@ router.get('/:id/status', async(req, res) => {
   res.status(401).json({ status: 'closed' });
 });
 
+router.all('/:id/auth', ValidQueryParamAuth, async(req, res) => {
+  const statusKey = doorStatusKey(req.params.id);
+
+  await client.put(statusKey, 'true');
+  await client.getClient().expire(statusKey, Bun.env.DOOR_OPEN_TIMEOUT);
+  res.status(200).json({ msg: `Opened the door "${req.params.id}" for ${Bun.env.DOOR_OPEN_TIMEOUT}s` });
+});
+
 export default router;
\ No newline at end of file
diff --git a/packages/server/src/types/Environment.ts b/packages/server/src/types/Environment.ts
index 8d4f1ad..ea330f4 100644
--- a/packages/server/src/types/Environment.ts
+++ b/packages/server/src/types/Environment.ts
@@ -3,5 +3,7 @@ declare module "bun" {
     CHALLENGE_EXPIRE_MS: number;
     BASE_DOMAIN: string;
     REDIS_CONNECT_URL: string; // `redis[s]://[[username][:password]@][host][:port][/db-number]`
+    DOOR_OPEN_TIMEOUT: number;
+    DOOR_FIXED_PIN: string;
   }
 }
\ No newline at end of file
diff --git a/packages/server/src/types/IDoor.ts b/packages/server/src/types/IDoor.ts
deleted file mode 100644
index 824e1aa..0000000
--- a/packages/server/src/types/IDoor.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-export interface IDoor {
-  id: string;
-  open?: string;
-}
\ No newline at end of file
diff --git a/packages/server/src/types/RedisKeys.ts b/packages/server/src/types/RedisKeys.ts
index eb6b1a9..15be8e7 100644
--- a/packages/server/src/types/RedisKeys.ts
+++ b/packages/server/src/types/RedisKeys.ts
@@ -3,6 +3,10 @@ export enum RedisKeys {
   DOORS = "doors"
 }
 
+export function doorStatusKey(id: string) {
+  return concatKeys(RedisKeys.DOORS, id, 'open');
+}
+
 export function concatKeys(...keys: String[]) {
   return keys.join(':');
 }
\ No newline at end of file