Add asynchronous call to database.

See file 'asynchronous.ts'.
This commit is contained in:
Greg Burri 2022-11-29 15:58:06 +01:00
parent 8a3fef096d
commit d28e765e39
20 changed files with 1323 additions and 1049 deletions

452
backend/src/services.rs Normal file
View file

@ -0,0 +1,452 @@
use std::collections::HashMap;
use actix_web::{http::{header, header::ContentType, StatusCode}, get, post, web, Responder, HttpRequest, HttpResponse, cookie::Cookie};
use askama_actix::{Template, TemplateToResponse};
use chrono::Duration;
use serde::Deserialize;
use log::{debug, error, log_enabled, info, Level};
use crate::utils;
use crate::email;
use crate::consts;
use crate::config::Config;
use crate::user::User;
use crate::model;
use crate::data::{db, asynchronous};
///// UTILS /////
fn get_ip_and_user_agent(req: &HttpRequest) -> (String, String) {
let ip =
match req.headers().get(consts::REVERSE_PROXY_IP_HTTP_FIELD) {
Some(v) => v.to_str().unwrap_or_default().to_string(),
None => req.peer_addr().map(|addr| addr.ip().to_string()).unwrap_or_default()
};
let user_agent = req.headers().get(header::USER_AGENT).map(|v| v.to_str().unwrap_or_default()).unwrap_or_default().to_string();
(ip, user_agent)
}
async 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(consts::COOKIE_AUTH_TOKEN_NAME) {
Some(token_cookie) =>
match connection.authentication_async(token_cookie.value(), &client_ip, &client_user_agent).await {
Ok(db::AuthenticationResult::NotValidToken) =>
// TODO: remove cookie?
None,
Ok(db::AuthenticationResult::Ok(user_id)) =>
match connection.load_user_async(user_id).await {
Ok(user) =>
Some(user),
Err(error) => {
error!("Error during authentication: {}", error);
None
}
},
Err(error) => {
error!("Error during authentication: {}", error);
None
},
},
None => None
}
}
type Result<T> = std::result::Result<T, ServiceError>;
///// ERROR /////
#[derive(Debug)]
pub struct ServiceError {
status_code: StatusCode,
message: Option<String>,
}
impl From<asynchronous::DBAsyncError> for ServiceError {
fn from(error: asynchronous::DBAsyncError) -> Self {
ServiceError {
status_code: StatusCode::INTERNAL_SERVER_ERROR,
message: Some(format!("{:?}", error)),
}
}
}
impl From<email::Error> for ServiceError {
fn from(error: email::Error) -> Self {
ServiceError {
status_code: StatusCode::INTERNAL_SERVER_ERROR,
message: Some(format!("{:?}", error)),
}
}
}
impl From<actix_web::error::BlockingError> for ServiceError {
fn from(error: actix_web::error::BlockingError) -> Self {
ServiceError {
status_code: StatusCode::INTERNAL_SERVER_ERROR,
message: Some(format!("{:?}", error)),
}
}
}
impl std::fmt::Display for ServiceError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error> {
if let Some(ref m) = self.message {
write!(f, "**{}**\n\n", m)?;
}
write!(f, "Code: {}", self.status_code)
}
}
impl actix_web::error::ResponseError for ServiceError {
fn error_response(&self) -> HttpResponse {
MessageBaseTemplate {
message: &self.to_string(),
}.to_response()
}
fn status_code(&self) -> StatusCode {
self.status_code
}
}
///// HOME /////
#[derive(Template)]
#[template(path = "home.html")]
struct HomeTemplate {
user: Option<User>,
recipes: Vec<(i32, String)>,
current_recipe_id: Option<i32>,
}
#[get("/")]
pub async fn home_page(req: HttpRequest, connection: web::Data<db::Connection>) -> Result<HttpResponse> {
let user = get_current_user(&req, connection.clone()).await;
let recipes = connection.get_all_recipe_titles_async().await?;
Ok(HomeTemplate { user, current_recipe_id: None, recipes }.to_response())
}
///// VIEW RECIPE /////
#[derive(Template)]
#[template(path = "view_recipe.html")]
struct ViewRecipeTemplate {
user: Option<User>,
recipes: Vec<(i32, String)>,
current_recipe_id: Option<i32>,
current_recipe: model::Recipe,
}
#[get("/recipe/view/{id}")]
pub async fn view_recipe(req: HttpRequest, path: web::Path<(i32,)>, connection: web::Data<db::Connection>) -> Result<HttpResponse> {
let (id,)= path.into_inner();
let user = get_current_user(&req, connection.clone()).await;
let recipes = connection.get_all_recipe_titles_async().await?;
let recipe = connection.get_recipe_async(id).await?;
Ok(ViewRecipeTemplate {
user,
current_recipe_id: Some(recipe.id),
recipes,
current_recipe: recipe,
}.to_response())
}
///// MESSAGE /////
#[derive(Template)]
#[template(path = "message_base.html")]
struct MessageBaseTemplate<'a> {
message: &'a str,
}
#[derive(Template)]
#[template(path = "message.html")]
struct MessageTemplate<'a> {
user: Option<User>,
message: &'a str,
}
//// SIGN UP /////
#[derive(Template)]
#[template(path = "sign_up_form.html")]
struct SignUpFormTemplate {
user: Option<User>,
email: String,
message: String,
message_email: String,
message_password: String,
}
#[get("/signup")]
pub async fn sign_up_get(req: HttpRequest, connection: web::Data<db::Connection>) -> impl Responder {
let user = get_current_user(&req, connection.clone()).await;
SignUpFormTemplate { user, email: String::new(), message: String::new(), message_email: String::new(), message_password: String::new() }
}
#[derive(Deserialize)]
pub struct SignUpFormData {
email: String,
password_1: String,
password_2: String,
}
enum SignUpError {
InvalidEmail,
PasswordsNotEqual,
InvalidPassword,
UserAlreadyExists,
DatabaseError,
UnableSendEmail,
}
#[post("/signup")]
pub async fn sign_up_post(req: HttpRequest, form: web::Form<SignUpFormData>, connection: web::Data<db::Connection>, config: web::Data<Config>) -> Result<HttpResponse> {
fn error_response(error: SignUpError, form: &web::Form<SignUpFormData>, user: Option<User>) -> Result<HttpResponse> {
Ok(SignUpFormTemplate {
user,
email: form.email.clone(),
message_email:
match error {
SignUpError::InvalidEmail => "Invalid email",
_ => "",
}.to_string(),
message_password:
match error {
SignUpError::PasswordsNotEqual => "Passwords don't match",
SignUpError::InvalidPassword => "Password must have at least eight characters",
_ => "",
}.to_string(),
message:
match error {
SignUpError::UserAlreadyExists => "This email is already taken",
SignUpError::DatabaseError => "Database error",
SignUpError::UnableSendEmail => "Unable to send the validation email",
_ => "",
}.to_string(),
}.to_response())
}
let user = get_current_user(&req, connection.clone()).await;
// Validation of email and password.
if let common::utils::EmailValidation::NotValid = common::utils::validate_email(&form.email) {
return error_response(SignUpError::InvalidEmail, &form, user);
}
if form.password_1 != form.password_2 {
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, user);
}
match connection.sign_up_async(&form.email, &form.password_1).await {
Ok(db::SignUpResult::UserAlreadyExists) => {
error_response(SignUpError::UserAlreadyExists, &form, user)
},
Ok(db::SignUpResult::UserCreatedWaitingForValidation(token)) => {
let url = {
let host = req.headers().get(header::HOST).map(|v| v.to_str().unwrap_or_default()).unwrap_or_default();
let port: Option<i32> = 'p: {
let split_port: Vec<&str> = host.split(':').collect();
if split_port.len() == 2 {
if let Ok(p) = split_port[1].parse::<i32>() {
break 'p Some(p)
}
}
None
};
format!("http{}://{}", if port.is_some() && port.unwrap() != 443 { "" } else { "s" }, host)
};
let email = form.email.clone();
match web::block(move || { email::send_validation(&url, &email, &token, &config.smtp_login, &config.smtp_password) }).await? {
Ok(()) =>
Ok(HttpResponse::Found()
.insert_header((header::LOCATION, "/signup_check_email"))
.finish()),
Err(error) => {
error!("Email validation error: {}", error);
error_response(SignUpError::UnableSendEmail, &form, user)
},
}
},
Err(error) => {
error!("Signup database error: {}", error);
error_response(SignUpError::DatabaseError, &form, user)
},
}
}
#[get("/signup_check_email")]
pub async fn sign_up_check_email(req: HttpRequest, connection: web::Data<db::Connection>) -> impl Responder {
let user = get_current_user(&req, connection.clone()).await;
MessageTemplate {
user,
message: "An email has been sent, follow the link to validate your account.",
}
}
#[get("/validation")]
pub async fn sign_up_validation(req: HttpRequest, query: web::Query<HashMap<String, String>>, connection: web::Data<db::Connection>) -> Result<HttpResponse> {
let (client_ip, client_user_agent) = get_ip_and_user_agent(&req);
let user = get_current_user(&req, connection.clone()).await;
match query.get("token") {
Some(token) => {
match connection.validation_async(token, Duration::seconds(consts::VALIDATION_TOKEN_DURATION), &client_ip, &client_user_agent).await? {
db::ValidationResult::Ok(token, user_id) => {
let cookie = Cookie::new(consts::COOKIE_AUTH_TOKEN_NAME, token);
let user =
match connection.load_user(user_id) {
Ok(user) =>
Some(user),
Err(error) => {
error!("Error retrieving user by id: {}", error);
None
}
};
let mut response =
MessageTemplate {
user,
message: "Email validation successful, your account has been created",
}.to_response();
if let Err(error) = response.add_cookie(&cookie) {
error!("Unable to set cookie after validation: {}", error);
};
Ok(response)
},
db::ValidationResult::ValidationExpired =>
Ok(MessageTemplate {
user,
message: "The validation has expired. Try to sign up again.",
}.to_response()),
db::ValidationResult::UnknownUser =>
Ok(MessageTemplate {
user,
message: "Validation error.",
}.to_response()),
}
},
None => {
Ok(MessageTemplate {
user,
message: &format!("No token provided"),
}.to_response())
},
}
}
///// SIGN IN /////
#[derive(Template)]
#[template(path = "sign_in_form.html")]
struct SignInFormTemplate {
user: Option<User>,
email: String,
message: String,
}
#[get("/signin")]
pub async fn sign_in_get(req: HttpRequest, connection: web::Data<db::Connection>) -> impl Responder {
let user = get_current_user(&req, connection.clone()).await;
SignInFormTemplate {
user,
email: String::new(),
message: String::new(),
}
}
#[derive(Deserialize)]
pub struct SignInFormData {
email: String,
password: String,
}
enum SignInError {
AccountNotValidated,
AuthenticationFailed,
}
#[post("/signin")]
pub async fn sign_in_post(req: HttpRequest, form: web::Form<SignInFormData>, connection: web::Data<db::Connection>) -> Result<HttpResponse> {
fn error_response(error: SignInError, form: &web::Form<SignInFormData>, user: Option<User>) -> Result<HttpResponse> {
Ok(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.clone()).await;
let (client_ip, client_user_agent) = get_ip_and_user_agent(&req);
match connection.sign_in_async(&form.email, &form.password, &client_ip, &client_user_agent).await {
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(consts::COOKIE_AUTH_TOKEN_NAME, token);
let mut response =
HttpResponse::Found()
.insert_header((header::LOCATION, "/"))
.finish();
if let Err(error) = response.add_cookie(&cookie) {
error!("Unable to set cookie after sign in: {}", error);
};
Ok(response)
},
Err(error) => {
error!("Signin error: {}", error);
error_response(SignInError::AuthenticationFailed, &form, user)
},
}
}
///// SIGN OUT /////
#[get("/signout")]
pub 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(consts::COOKIE_AUTH_TOKEN_NAME) {
if let Err(error) = connection.sign_out_async(token_cookie.value()).await {
error!("Unable to sign out: {}", error);
};
if let Err(error) = response.add_removal_cookie(&Cookie::new(consts::COOKIE_AUTH_TOKEN_NAME, "")) {
error!("Unable to set a removal cookie after sign out: {}", error);
};
};
response
}
pub async fn not_found(req: HttpRequest, connection: web::Data<db::Connection>) -> impl Responder {
let user = get_current_user(&req, connection.clone()).await;
MessageTemplate {
user,
message: "404: Not found",
}
}