diff --git a/src/controller/auth.ts b/src/controller/auth.ts
new file mode 100644
index 0000000..2b7e39c
--- /dev/null
+++ b/src/controller/auth.ts
@@ -0,0 +1,35 @@
+import { Account } from "../models/Account";
+import { decryptField, encryptClearField } from "@utils/decryption";
+import { compare } from "bcrypt";
+import { Session } from "../models/Session";
+
+export const login = async (configuration: { username: string, password: string }, user: { ip: string, userAgent: string }) => {
+    const account = await Account.findOne({ username: encryptClearField(configuration.username) });
+
+    // Check if account exists
+    if (account === null) return { code: 2001, message: "Username or password incorrect" };
+
+    // Check if password is correct
+    if (!await compare(configuration.password, account.password)) return {
+        code: 2001,
+        message: "Username or password incorrect",
+    };
+
+    // TODO: Integrate TOTP Verification
+
+    // Create Session
+    const session = await Session.create({
+        userId: account._id, ip: user.ip, userAgent: user.userAgent,
+        verified: true,
+    });
+
+    return { token: decryptField(session.token) };
+};
+
+export const logout = async (token: string) => {
+    const session = await Session.findOne({ token: encryptClearField(token) });
+
+    if (session === null) return { code: 2002, message: "Your session token is invalid" };
+
+    await session.delete();
+};
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