diff --git a/src/auth/session.rs b/src/auth/session.rs
index 8c0fa4a..7dac4cf 100644
--- a/src/auth/session.rs
+++ b/src/auth/session.rs
@@ -1,24 +1,30 @@
-use std::collections::HashMap;
+use std::{collections::HashMap, sync::{Arc, Mutex}};
 
 use serde::{Deserialize, Serialize};
 
 pub struct Sessions {
-    sessions: HashMap<String, SessionData>,
+    sessions: Mutex<HashMap<String, SessionData>>,
 }
 
 impl Sessions {
     pub fn new() -> Self {
         Sessions {
-            sessions: HashMap::new(),
+            sessions: Mutex::new(HashMap::new()),
         }
     }
 
-    pub fn insert(&mut self, session_id: String, session_data: SessionData) {
-        self.sessions.insert(session_id, session_data);
+    pub fn insert(&self, session_id: String, session_data: SessionData) {
+        let mut map = self.sessions.lock().unwrap();
+        map.insert(session_id, session_data);
     }
 
-    pub fn get(&self, session_id: &str) -> Option<&SessionData> {
-        self.sessions.get(session_id)
+    pub fn get(&self, session_id: &str) -> Option<SessionData> {
+        let map = self.sessions.lock().unwrap();
+
+        match map.get(session_id) {
+            Some(s) => Some(s.clone()),
+            None => None,
+        }
     }
 }
 
@@ -26,3 +32,9 @@ impl Sessions {
 pub struct SessionData {
     user_id: i32,
 }
+
+impl SessionData {
+    pub fn new(user_id: i32) -> Self {
+        SessionData { user_id }
+    }
+}
diff --git a/src/controller/login.rs b/src/controller/login.rs
new file mode 100644
index 0000000..17b42c2
--- /dev/null
+++ b/src/controller/login.rs
@@ -0,0 +1,20 @@
+use maud::Markup;
+use rocket::{form::Form, http::Status, State};
+
+use crate::auth::session::{SessionData, Sessions};
+
+#[derive(FromForm)]
+pub struct LoginData {
+    email: String,
+    password: String,
+}
+
+#[get("/login")]
+pub fn login(sessions: &State<Sessions>) -> &'static str {
+    sessions.insert(
+        "123456".into(),
+        SessionData::new(1),
+    );
+
+    ":D"
+}
diff --git a/src/controller/mod.rs b/src/controller/mod.rs
index 271526b..1bf2123 100644
--- a/src/controller/mod.rs
+++ b/src/controller/mod.rs
@@ -1,5 +1,6 @@
 use maud::Markup;
 
+pub mod login;
 pub mod register;
 pub mod user;
 
diff --git a/src/main.rs b/src/main.rs
index 28c3224..e0c567b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -14,6 +14,9 @@ fn rocket() -> _ {
         .manage(auth::session::Sessions::new())
         .register("/", catchers![view::not_authorized])
         .mount("/", routes![controller::index,])
-        .mount("/f", routes![controller::user::create_user,])
+        .mount("/f", routes![
+            controller::user::create_user,
+            controller::login::login,
+        ])
         .mount("/static", FileServer::from("static"))
 }