Sign out

backend/Cargo.toml

@@ -25,7 +25,7 @@ rusqlite = {version = "0.28", features = ["bundled", "chrono"]}
 
 futures = "0.3" # Needed by askam with the feature 'with-actix-web'.
 
-askama = {version = "0.11", features = ["with-actix-web", "mime", "mime_guess"]}
+askama = {version = "0.11", features = ["with-actix-web", "mime", "mime_guess", "markdown"]}
 askama_actix = "0.13"
 
 argon2 = {version = "0.4", features = ["default", "std"]}
@@ -33,4 +33,4 @@ rand_core = {version = "0.6", features = ["std"]}
 
 rand = "0.8"
 
-lettre = "0.10"
+lettre = {version = "0.10", default-features = false, features = ["smtp-transport", "pool", "hostname", "builder", "rustls-tls"]}

backend/src/db.rs

@@ -7,7 +7,7 @@ use r2d2::Pool;
 use r2d2_sqlite::SqliteConnectionManager;
 use rand::distributions::{Alphanumeric, DistString};
 
-use crate::consts;
+use crate::{consts, user};
 use crate::hash::{hash, verify_password};
 use crate::model;
 use crate::user::*;
@@ -67,7 +67,8 @@ pub enum ValidationResult {
 #[derive(Debug)]
 pub enum SignInResult {
     UserNotFound,
-    PasswordsDontMatch,
+    WrongPassword,
+    AccountNotValidated,
     Ok(String, i32), // Returns token and user id.
 }
 
@@ -197,8 +198,8 @@ impl Connection {
 
     pub fn get_recipe(&self, id: i32) -> Result<model::Recipe> {
         let con = self.pool.get()?;
-        con.query_row("SELECT [id], [title] FROM [Recipe] WHERE [id] = ?1", [id], |row| {
-            Ok(model::Recipe::new(row.get(0)?, row.get(1)?))
+        con.query_row("SELECT [id], [title], [description] FROM [Recipe] WHERE [id] = ?1", [id], |row| {
+            Ok(model::Recipe::new(row.get("id")?, row.get("title")?, row.get("description")?))
         }).map_err(DBError::from)
     }
 
@@ -213,6 +214,15 @@ impl Connection {
         }).map_err(DBError::from)
     }
 
+    pub fn load_user(&self, user_id: i32) -> Result<User> {
+        let con = self.pool.get()?;
+        con.query_row("SELECT [email] FROM [User] WHERE [id] = ?1", [user_id], |r| {
+            Ok(User {
+                email: r.get("email")?,
+            })
+        }).map_err(DBError::from)
+    }
+
     ///
     pub fn sign_up(&self, email: &str, password: &str) -> Result<SignUpResult> {
         self.sign_up_with_given_time(email, password, Utc::now())
@@ -268,19 +278,21 @@ impl Connection {
         Ok(ValidationResult::Ok(token, user_id))
     }
 
-    pub fn sign_in(&self, password: &str, email: &str, ip: &str, user_agent: &str) -> Result<SignInResult> {
+    pub fn sign_in(&self, email: &str, password: &str, ip: &str, user_agent: &str) -> Result<SignInResult> {
         let mut con = self.pool.get()?;
         let tx = con.transaction()?;
-        match tx.query_row("SELECT [id], [password] FROM [User] WHERE [email] = ?1", [email], |r| {
-            Ok((r.get::<&str, i32>("id")?, r.get::<&str, String>("password")?))
+        match tx.query_row("SELECT [id], [password], [validation_token] FROM [User] WHERE [email] = ?1", [email], |r| {
+            Ok((r.get::<&str, i32>("id")?, r.get::<&str, String>("password")?, r.get::<&str, Option<String>>("validation_token")?))
         }).optional()? {
-            Some((id, stored_password)) => {
-                if verify_password(password, &stored_password).map_err(DBError::from_dyn_error)? {
+            Some((id, stored_password, validation_token)) => {
+                if validation_token.is_some() {
+                    Ok(SignInResult::AccountNotValidated)
+                } else if verify_password(password, &stored_password).map_err(DBError::from_dyn_error)? {
                     let token = Connection::create_login_token(&tx, id, ip, user_agent)?;
                     tx.commit()?;
                     Ok(SignInResult::Ok(token, id))
                 } else {
-                    Ok(SignInResult::PasswordsDontMatch)
+                    Ok(SignInResult::WrongPassword)
                 }
             },
             None => {
@@ -387,6 +399,26 @@ mod tests {
         Ok(())
     }
 
+    #[test]
+    fn sign_up_and_sign_in_without_validation() -> Result<()> {
+        let connection = Connection::new_in_memory()?;
+
+        let email = "paul@test.org";
+        let password = "12345";
+
+        match connection.sign_up(email, password)? {
+            SignUpResult::UserCreatedWaitingForValidation(_) => (), // Nominal case.
+            other => panic!("{:?}", other),
+        }
+
+        match connection.sign_in(email, password, "127.0.0.1", "Mozilla/5.0")? {
+            SignInResult::AccountNotValidated => (), // Nominal case.
+            other => panic!("{:?}", other),
+        }
+
+        Ok(())
+    }
+
     #[test]
     fn sign_up_to_an_unvalidated_already_existing_user() -> Result<()> {
         let connection = Connection::new_in_memory()?;
@@ -475,7 +507,7 @@ mod tests {
         };
 
         // Sign in.
-        match connection.sign_in(password, email, "127.0.0.1", "Mozilla/5.0")? {
+        match connection.sign_in(email, password, "127.0.0.1", "Mozilla/5.0")? {
             SignInResult::Ok(_, _) => (), // Nominal case.
             other => panic!("{:?}", other),
         }
@@ -554,7 +586,7 @@ mod tests {
 
         // Sign in.
         let (authentication_token_2, user_id_2) =
-            match connection.sign_in(password, email, "192.168.1.1", "Chrome")? {
+            match connection.sign_in(email, password, "192.168.1.1", "Chrome")? {
                 SignInResult::Ok(token, user_id) => (token, user_id),
                 other => panic!("{:?}", other),
             };

backend/src/hash.rs

@@ -1,8 +1,7 @@
-use std::{string::String, env::consts::OS};
+use std::{string::String};
 
 use argon2::{
     password_hash::{
-        Error,
         rand_core::OsRng,
         PasswordHash, PasswordHasher, PasswordVerifier, SaltString
     },

backend/src/main.rs

@@ -1,13 +1,14 @@
-use std::{collections::HashMap, net::ToSocketAddrs};
+use std::collections::HashMap;
 
 use actix_files as fs;
-use actix_web::{http::header, get, post, web, Responder, middleware, App, HttpServer, HttpRequest, HttpResponse};
+use actix_web::{http::header, get, post, web, Responder, middleware, App, HttpServer, HttpRequest, HttpResponse, cookie::Cookie};
 use askama_actix::{Template, TemplateToResponse};
 use chrono::{prelude::*, Duration};
 use clap::Parser;
 use serde::Deserialize;
 
 use config::Config;
+use user::User;
 
 mod consts;
 mod db;
@@ -17,34 +18,97 @@ mod user;
 mod email;
 mod config;
 
+const COOKIE_AUTH_TOKEN_NAME: &str = "auth_token";
+
+///// UTILS /////
+
+fn get_ip_and_user_agent(req: &HttpRequest) -> (String, String) {
+    let user_agent = req.headers().get(header::USER_AGENT).map(|v| v.to_str().unwrap_or_default()).unwrap_or_default().to_string();
+    let ip = req.peer_addr().map(|addr| addr.ip().to_string()).unwrap_or_default();
+    (ip, user_agent)
+}
+
+fn get_current_user(req: &HttpRequest, connection: &web::Data<db::Connection>) -> Option<User> {
+    let (client_ip, client_user_agent) = get_ip_and_user_agent(req);
+
+    match req.cookie(COOKIE_AUTH_TOKEN_NAME) {
+        Some(token_cookie) =>
+            match connection.authentication(token_cookie.value(), &client_ip, &client_user_agent) {
+                Ok(db::AuthenticationResult::NotValidToken) =>
+                    // TODO: remove cookie?
+                    None,
+                Ok(db::AuthenticationResult::Ok(user_id)) =>
+                    match connection.load_user(user_id) {
+                        Ok(user) =>
+                            Some(user),
+                        Err(error) => {
+                            eprintln!("Error during authentication: {:?}", error);
+                            None
+                        }
+                    },
+                Err(error) => {
+                    eprintln!("Error during authentication: {:?}", error);
+                    None
+                },
+            },
+        None => None
+    }
+}
+
+///// HOME /////
+
 #[derive(Template)]
 #[template(path = "home.html")]
 struct HomeTemplate {
+    user: Option<user::User>,
     recipes: Vec<(i32, String)>,
 }
 
-#[derive(Template)]
-#[template(path = "sign_in_form.html")]
-struct SignInFormTemplate {
-}
-
-#[derive(Template)]
-#[template(path = "view_recipe.html")]
-struct ViewRecipeTemplate {
-    recipes: Vec<(i32, String)>,
-    current_recipe: model::Recipe,
-}
-
-#[derive(Template)]
-#[template(path = "message.html")]
-struct MessageTemplate {
-    recipes: Vec<(i32, String)>,
-    message: String,
-}
-
 #[get("/")]
 async fn home_page(req: HttpRequest, connection: web::Data<db::Connection>) -> impl Responder {
-    HomeTemplate { recipes: connection.get_all_recipe_titles().unwrap_or_default() }
+    HomeTemplate { user: get_current_user(&req, &connection), recipes: connection.get_all_recipe_titles().unwrap_or_default() }
+}
+
+///// VIEW RECIPE /////
+
+#[derive(Template)]
+#[template(path = "view_recipe.html")]
+struct ViewRecipeTemplate {
+    user: Option<user::User>,
+    recipes: Vec<(i32, String)>,
+    current_recipe: model::Recipe,
+}
+
+#[get("/recipe/view/{id}")]
+async fn view_recipe(req: HttpRequest, path: web::Path<(i32,)>, connection: web::Data<db::Connection>) -> impl Responder {
+    let (id,)= path.into_inner();
+    let recipes = connection.get_all_recipe_titles().unwrap_or_default();
+    let user = get_current_user(&req, &connection);
+
+    match connection.get_recipe(id) {
+        Ok(recipe) =>
+            ViewRecipeTemplate {
+                user,
+                recipes,
+                current_recipe: recipe,
+            }.to_response(),
+        Err(_error) =>
+            MessageTemplate {
+                user,
+                recipes,
+                message: format!("Unable to get recipe #{}", id),
+            }.to_response(),
+    }
+}
+
+///// MESSAGE /////
+
+#[derive(Template)]
+#[template(path = "message.html")]
+struct MessageTemplate {
+    user: Option<user::User>,
+    recipes: Vec<(i32, String)>,
+    message: String,
 }
 
 //// SIGN UP /////
@@ -52,16 +116,23 @@ async fn home_page(req: HttpRequest, connection: web::Data<db::Connection>) -> i
 #[derive(Template)]
 #[template(path = "sign_up_form.html")]
 struct SignUpFormTemplate {
+    user: Option<user::User>,
     email: String,
     message: String,
     message_email: String,
     message_password: String,
 }
 
-impl SignUpFormTemplate {
-    fn new() -> Self {
-        SignUpFormTemplate { email: String::new(), message: String::new(), message_email: String::new(), message_password: String::new() }
-    }
+#[get("/signup")]
+async fn sign_up_get(req: HttpRequest, query: web::Query<HashMap<String, String>>, connection: web::Data<db::Connection>) -> impl Responder {
+    SignUpFormTemplate { user: get_current_user(&req, &connection),  email: String::new(), message: String::new(), message_email: String::new(), message_password: String::new() }
+}
+
+#[derive(Deserialize)]
+struct SignUpFormData {
+    email: String,
+    password_1: String,
+    password_2: String,
 }
 
 enum SignUpError {
@@ -73,24 +144,13 @@ enum SignUpError {
     UnableSendEmail,
 }
 
-#[get("/signup")]
-async fn sign_up_get(req: HttpRequest, query: web::Query<HashMap<String, String>>, connection: web::Data<db::Connection>) -> impl Responder {
-    SignUpFormTemplate::new()
-}
-
-#[derive(Deserialize)]
-struct SignUpFormData {
-    email: String,
-    password_1: String,
-    password_2: String,
-}
-
 #[post("/signup")]
 async fn sign_up_post(req: HttpRequest, form: web::Form<SignUpFormData>, connection: web::Data<db::Connection>, config: web::Data<Config>) -> impl Responder {
-    println!("Sign Up, email: {}, passwords: {}/{}", form.email, form.password_1, form.password_2);
+    println!("Sign up, email: {}, passwords: {}/{}", form.email, form.password_1, form.password_2);
 
-    fn error_response(error: SignUpError, form: &web::Form<SignUpFormData>) -> HttpResponse {
+    fn error_response(error: SignUpError, form: &web::Form<SignUpFormData>, user: Option<User>) -> HttpResponse {
         SignUpFormTemplate {
+            user,
             email: form.email.clone(),
             message_email:
                 match error {
@@ -113,22 +173,24 @@ async fn sign_up_post(req: HttpRequest, form: web::Form<SignUpFormData>, connect
         }.to_response()
     }
 
+    let user = get_current_user(&req, &connection);
+
     // Validation of email and password.
     if let common::utils::EmailValidation::NotValid = common::utils::validate_email(&form.email) {
-        return error_response(SignUpError::InvalidEmail, &form);
+        return error_response(SignUpError::InvalidEmail, &form, user);
     }
 
     if form.password_1 != form.password_2 {
-        return error_response(SignUpError::PasswordsNotEqual, &form);
+        return error_response(SignUpError::PasswordsNotEqual, &form, user);
     }
 
     if let common::utils::PasswordValidation::TooShort = common::utils::validate_password(&form.password_1) {
-        return error_response(SignUpError::InvalidPassword, &form);
+        return error_response(SignUpError::InvalidPassword, &form, user);
     }
 
     match connection.sign_up(&form.email, &form.password_1) {
         Ok(db::SignUpResult::UserAlreadyExists) => {
-            error_response(SignUpError::UserAlreadyExists, &form)
+            error_response(SignUpError::UserAlreadyExists, &form, user)
         },
         Ok(db::SignUpResult::UserCreatedWaitingForValidation(token)) => {
             let url = {
@@ -151,21 +213,22 @@ async fn sign_up_post(req: HttpRequest, form: web::Form<SignUpFormData>, connect
                         .finish(),
                 Err(error) => {
                     eprintln!("Email validation error: {:?}", error);
-                    error_response(SignUpError::UnableSendEmail, &form)
+                    error_response(SignUpError::UnableSendEmail, &form, user)
                 },
             }
         },
         Err(error) => {
             eprintln!("Signup database error: {:?}", error);
-            error_response(SignUpError::DatabaseError, &form)
+            error_response(SignUpError::DatabaseError, &form, user)
         },
     }
 }
 
 #[get("/signup_check_email")]
-async fn sign_up_check_email(connection: web::Data<db::Connection>) -> impl Responder {
+async fn sign_up_check_email(req: HttpRequest, connection: web::Data<db::Connection>) -> impl Responder {
     let recipes = connection.get_all_recipe_titles().unwrap_or_default();
     MessageTemplate {
+        user: get_current_user(&req, &connection),
         recipes,
         message: "An email has been sent, follow the link to validate your account.".to_string(),
     }
@@ -173,89 +236,166 @@ async fn sign_up_check_email(connection: web::Data<db::Connection>) -> impl Resp
 
 #[get("/validation")]
 async fn sign_up_validation(req: HttpRequest, query: web::Query<HashMap<String, String>>, connection: web::Data<db::Connection>) -> impl Responder {
-
-    println!("req:\n{:#?}", req);
-
-    let client_user_agent = req.headers().get(header::USER_AGENT).map(|v| v.to_str().unwrap_or_default()).unwrap_or_default();
-    let client_ip = req.peer_addr().map(|addr| addr.ip().to_string()).unwrap_or_default();
+    let (client_ip, client_user_agent) = get_ip_and_user_agent(&req);
+    let user = get_current_user(&req, &connection);
 
     let recipes = connection.get_all_recipe_titles().unwrap_or_default();
     match query.get("token") {
         Some(token) => {
-            match connection.validation(token, Duration::seconds(consts::VALIDATION_TOKEN_DURATION), &client_ip, client_user_agent).unwrap() {
-                db::ValidationResult::Ok(token, user_id) =>
-                    // TODO: set token to cookie.
-                    MessageTemplate {
-                        recipes,
-                        message: "Email validation successful, your account has been created".to_string(),
-                    },
+            match connection.validation(token, Duration::seconds(consts::VALIDATION_TOKEN_DURATION), &client_ip, &client_user_agent).unwrap() {
+                db::ValidationResult::Ok(token, user_id) => {
+                    let cookie = Cookie::new(COOKIE_AUTH_TOKEN_NAME, token);
+                    let user =
+                        match connection.load_user(user_id) {
+                            Ok(user) =>
+                                Some(user),
+                            Err(error) => {
+                                eprintln!("Error retrieving user by id: {}", error);
+                                None
+                            }
+                        };
+
+                    let mut response =
+                        MessageTemplate {
+                            user,
+                            recipes,
+                            message: "Email validation successful, your account has been created".to_string(),
+                        }.to_response();
+
+                    if let Err(error) = response.add_cookie(&cookie) {
+                        eprintln!("Unable to set cookie after validation: {:?}", error);
+                    };
+
+                    response
+                },
                 db::ValidationResult::ValidationExpired =>
                     MessageTemplate {
+                        user,
                         recipes,
                         message: "The validation has expired. Try to sign up again.".to_string(),
-                    },
+                    }.to_response(),
                 db::ValidationResult::UnknownUser =>
-                MessageTemplate {
-                    recipes,
-                    message: "Validation error.".to_string(),
-                },
+                    MessageTemplate {
+                        user,
+                        recipes,
+                        message: "Validation error.".to_string(),
+                    }.to_response(),
             }
         },
         None => {
             MessageTemplate {
+                user,
                 recipes,
                 message: format!("No token provided"),
-            }
+            }.to_response()
         },
     }
 }
 
 ///// SIGN IN /////
 
-#[get("/signinform")]
-async fn sign_in_form(req: HttpRequest, connection: web::Data<db::Connection>) -> impl Responder {
+#[derive(Template)]
+#[template(path = "sign_in_form.html")]
+struct SignInFormTemplate {
+    user: Option<user::User>,
+    email: String,
+    message: String,
+}
+
+#[get("/signin")]
+async fn sign_in_get(req: HttpRequest, connection: web::Data<db::Connection>) -> impl Responder {
     SignInFormTemplate {
+        user: get_current_user(&req, &connection),
+        email: String::new(),
+        message: String::new(),
     }
 }
 
+#[derive(Deserialize)]
+struct SignInFormData {
+    email: String,
+    password: String,
+}
+
+enum SignInError {
+    AccountNotValidated,
+    AuthenticationFailed,
+}
+
 #[post("/signin")]
-async fn sign_in(req: HttpRequest) -> impl Responder {
-    "todo"
+async fn sign_in_post(req: HttpRequest, form: web::Form<SignInFormData>, connection: web::Data<db::Connection>) -> impl Responder {
+    println!("Sign in, email: {}, password: {}", form.email, form.password);
+
+    fn error_response(error: SignInError, form: &web::Form<SignInFormData>, user: Option<User>) -> HttpResponse {
+        SignInFormTemplate {
+            user,
+            email: form.email.clone(),
+            message:
+                match error {
+                    SignInError::AccountNotValidated => "This account must be validated first",
+                    SignInError::AuthenticationFailed => "Wrong email or password",
+                }.to_string(),
+        }.to_response()
+    }
+
+    let user = get_current_user(&req, &connection);
+    let (client_ip, client_user_agent) = get_ip_and_user_agent(&req);
+
+    match connection.sign_in(&form.email, &form.password, &client_ip, &client_user_agent) {
+        Ok(db::SignInResult::AccountNotValidated) =>
+            error_response(SignInError::AccountNotValidated, &form, user),
+        Ok(db::SignInResult::UserNotFound) | Ok(db::SignInResult::WrongPassword) => {
+            error_response(SignInError::AuthenticationFailed, &form, user)
+        },
+        Ok(db::SignInResult::Ok(token, user_id)) => {
+            let cookie = Cookie::new(COOKIE_AUTH_TOKEN_NAME, token);
+            let mut response =
+                HttpResponse::Found()
+                    .insert_header((header::LOCATION, "/"))
+                    .finish();
+            if let Err(error) = response.add_cookie(&cookie) {
+                eprintln!("Unable to set cookie after sign in: {:?}", error);
+            };
+            response
+        },
+        Err(error) => {
+            eprintln!("Signin error: {:?}", error);
+            error_response(SignInError::AuthenticationFailed, &form, user)
+        },
+    }
 }
 
-#[get("/recipe/view/{id}")]
-async fn view_recipe(req: HttpRequest, path: web::Path<(i32,)>, connection: web::Data<db::Connection>) -> impl Responder {
-    let (id,)= path.into_inner();
-    let recipes = connection.get_all_recipe_titles().unwrap_or_default();
-    println!("{:?}", recipes);
-    match connection.get_recipe(id) {
-        Ok(recipe) =>
-            ViewRecipeTemplate {
-                recipes,
-                current_recipe: recipe,
-            }.to_response(),
-        Err(_error) =>
-            MessageTemplate {
-                recipes,
-                message: format!("Unable to get recipe #{}", id),
-            }.to_response(),
-    }
+
+///// SIGN OUT /////
+
+#[get("/signout")]
+async fn sign_out(req: HttpRequest, connection: web::Data<db::Connection>) -> impl Responder {
+    let mut response =
+        HttpResponse::Found()
+            .insert_header((header::LOCATION, "/"))
+            .finish();
+
+    if let Some(token_cookie) = req.cookie(COOKIE_AUTH_TOKEN_NAME) {
+        if let Err(error) = connection.sign_out(token_cookie.value()) {
+            eprintln!("Unable to sign out: {:?}", error);
+        };
+
+        if let Err(error) = response.add_removal_cookie(&Cookie::new(COOKIE_AUTH_TOKEN_NAME, "")) {
+            eprintln!("Unable to set a removal cookie after sign out: {:?}", error);
+        };
+    };
+    response
 }
 
 async fn not_found(req: HttpRequest, connection: web::Data<db::Connection>) -> impl Responder {
     let recipes = connection.get_all_recipe_titles().unwrap_or_default();
     MessageTemplate {
+        user: get_current_user(&req, &connection),
         recipes,
         message: "404: Not found".to_string(),
     }
 }
 
-fn get_exe_name() -> String {
-    let first_arg = std::env::args().nth(0).unwrap();
-    let sep: &[_] = &['\\', '/'];
-    first_arg[first_arg.rfind(sep).unwrap()+1..].to_string()
-}
-
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {
     if process_args() { return Ok(()) }
@@ -286,12 +426,12 @@ async fn main() -> std::io::Result<()> {
                 .service(sign_up_post)
                 .service(sign_up_check_email)
                 .service(sign_up_validation)
-                .service(sign_in_form)
-                .service(sign_in)
+                .service(sign_in_get)
+                .service(sign_in_post)
+                .service(sign_out)
                 .service(view_recipe)
                 .service(fs::Files::new("/static", "static"))
                 .default_service(web::to(not_found))
-                //.default_service(not_found)
         });
 
     server.bind(&format!("0.0.0.0:{}", port))?.run().await
@@ -324,27 +464,4 @@ fn process_args() -> bool {
     }
 
     false
-
-    /*
-
-
-    fn print_usage() {
-        println!("Usage:");
-        println!(" {} [--help] [--test]", get_exe_name());
-    }
-
-    let args: Vec<String> = args().collect();
-
-    if args.iter().any(|arg| arg == "--help") {
-        print_usage();
-        return true
-    } else if args.iter().any(|arg| arg == "--test") {
-        match db::Connection::new() {
-            Ok(_) => (),
-            Err(error) => println!("Error: {:?}", error)
-        }
-        return true
-    }
-    false
-    */
 }

backend/src/model.rs

@@ -1,6 +1,7 @@
 pub struct Recipe {
     pub id: i32,
     pub title: String,
+    pub description: Option<String>,
     pub estimate_time: Option<i32>, // [min].
     pub difficulty: Option<Difficulty>,
 
@@ -9,10 +10,11 @@ pub struct Recipe {
 }
 
 impl Recipe {
-    pub fn new(id: i32, title: String) -> Recipe {
+    pub fn new(id: i32, title: String, description: Option<String>) -> Recipe {
         Recipe {
             id,
             title,
+            description,
             estimate_time: None,
             difficulty: None,
             process: Vec::new(),

backend/src/user.rs

@@ -1,7 +1,7 @@
 use chrono::prelude::*;
 
 pub struct User {
-
+    pub email: String,
 }
 
 pub struct UserLoginInfo {

backend/templates/base.html

@@ -8,7 +8,15 @@
     </head>
 
     <body>
-        <div class="header-container"><h1><a href="/">~~ Recettes de cuisine ~~</a></h1><div><a href="/signinform" >Sign in</a> / <a href="/signup">Sign Up</a></div></div>
+        <div class="header-container">
+            <h1><a href="/">~~ Recettes de cuisine ~~</a></h1>
+            {% match user %}
+            {% when Some with (user) %}
+                <div>{{ user.email }} / <a href="/signout" />Sign out</a></div>
+            {% when None %}
+                <div><a href="/signin" >Sign in</a> / <a href="/signup">Sign up</a></div>
+            {% endmatch %}
+        </div>
         <div class="main-container">
             {% block main_container %}{% endblock %}
         </div>

backend/templates/base_with_list.html

@@ -4,7 +4,7 @@
     <div class="list">
         <ul>
             {% for (id, title) in recipes %}
-                <li><a href="/recipe/view/{{ id }}">{{ title|escape }}</a></li>
+                <li><a href="/recipe/view/{{ id }}">{{ title }}</a></li>
             {% endfor %}
         </ul>
     </div>

backend/templates/sign_in_form.html

@@ -4,12 +4,13 @@
     <div class="content">
         <form action="/signin" method="post">
             <label for="email_field">Email address</label>
-            <input id="email_field" type="text" name="email" autocapitalize="none" autocomplete="email" autofocus="autofocus" />
+            <input id="email_field" type="text" name="email" value="{{ email }}" autocapitalize="none" autocomplete="email" autofocus="autofocus" />
 
             <label for="password_field">Password</label>
             <input id="password_field" type="password" name="password" autocomplete="current-password" />
 
             <input type="submit" name="commit" value="Sign in" />
         </form>
+        {{ message }}
     </div>
 {% endblock %}

backend/templates/view_recipe.html

@@ -2,6 +2,14 @@
 
 {% block content %}
 
-{{ current_recipe.title }}
+<h2 class="recipe-title" >{{ current_recipe.title }}</h2>
+
+{% match current_recipe.description %}
+    {% when Some with (description) %}
+        <div class="recipe-description" >
+        {{ description|markdown }}
+        </div>
+    {% when None %}
+{% endmatch %}
 
 {% endblock %}