feat: new Cipher and tg.users table and router (#17)

* feat: new cipher class with custom salted key

* fix: some errors in message route

* feat: users table with info encryption

* release: v0.12.0

* chore: biome

* fix: no await in Promise.all

Co-authored-by: Copilot <[email protected]>

* fix: optimize users map promises

* build: ENCRYPTION_KEY env does not need to be exactly 32 bytes anymore

* fix: i am stupid

* feat(utils): user encryption helpers, db upsert set builder

* fix: not decrypting and not sorting, what am I doing

---------

Co-authored-by: Tommaso Morganti <[email protected]>
Co-authored-by: Copilot <[email protected]>

Author: 3 people

backend/.env.example

@@ -8,7 +8,7 @@ DB_USER=""
 DB_PASS=""
 DB_NAME="polinetwork_backend"
 
-ENCRYPTION_KEY="" # you generate it with `openssl rand -hex 32` !!! LENGTH IS IMPORTANT !!!
+ENCRYPTION_KEY="" # you generate it with `openssl rand -hex 32` !!! MINIMUM LENGTH = 32 bytes !!!
 
 BETTER_AUTH_SECRET="" # you generate it with `openssl rand -hex 20`
 # github provider https://www.better-auth.com/docs/authentication/github

backend/drizzle/0004_colossal_jean_grey.sql

@@ -0,0 +1,10 @@
+CREATE TABLE "tg_users" (
+	"user_id" bigint PRIMARY KEY NOT NULL,
+	"first_name" varchar(192) NOT NULL,
+	"last_name" varchar(192),
+	"username" varchar(128),
+	"is_bot" boolean NOT NULL,
+	"lang_code" varchar(35),
+	"updated_at" timestamp (0),
+	"created_at" timestamp (0) DEFAULT now() NOT NULL
+);