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Implement server-side logout

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This commit is contained in:
Valentin Tolmer 2021-05-23 16:20:26 +02:00
parent 28a941924e
commit 10404abbb0
6 changed files with 204 additions and 86 deletions
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135
src/infra/auth_service.rs
View File

@ -1,24 +1,30 @@
use crate::{domain::handler::*, infra::{tcp_backend_handler::*, tcp_server::{AppState, error_to_http_response}}};
use crate::{
domain::handler::*,
infra::{
tcp_backend_handler::*,
tcp_server::{error_to_http_response, AppState},
},
};
use actix_web::{
cookie::{Cookie, SameSite},
dev::{Service, ServiceRequest, ServiceResponse, Transform},
error::{ErrorBadRequest, ErrorUnauthorized},
web, HttpRequest, HttpResponse,
};
use actix_web_httpauth::extractors::bearer::BearerAuth;
use anyhow::Result;
use chrono::prelude::*;
use futures::future::{ok, Ready};
use futures_util::{FutureExt, TryFutureExt};
use hmac::Hmac;
use jwt::{SignWithKey, VerifyWithKey};
use log::*;
use sha2::Sha512;
use std::collections::{hash_map::DefaultHasher, HashSet};
use std::hash::{Hash, Hasher};
use time::ext::NumericalDuration;
use actix_web_httpauth::extractors::bearer::BearerAuth;
use anyhow::Result;
use std::task::{Context, Poll};
use std::pin::Pin;
use actix_web::{
cookie::{Cookie, SameSite},
dev::{ServiceRequest, Service, Transform, ServiceResponse},
error::{ErrorBadRequest, ErrorUnauthorized},
web, HttpRequest, HttpResponse
};
use futures_util::{FutureExt, TryFutureExt};
use futures::future::{ok, Ready};
use chrono::prelude::*;
use sha2::Sha512;
use std::task::{Context, Poll};
use time::ext::NumericalDuration;
type Token<S> = jwt::Token<jwt::Header, JWTClaims, S>;
type SignedToken = Token<jwt::token::Signed>;
@ -37,6 +43,18 @@ fn create_jwt(key: &Hmac<Sha512>, user: String, groups: HashSet<String>) -> Sign
jwt::Token::new(header, claims).sign_with_key(key).unwrap()
}
fn get_refresh_token_from_cookie(
request: HttpRequest,
) -> std::result::Result<(String, String), HttpResponse> {
match request.cookie("refresh_token") {
None => Err(HttpResponse::Unauthorized().body("Missing refresh token")),
Some(t) => match t.value().split_once("+") {
None => Err(HttpResponse::Unauthorized().body("Invalid refresh token")),
Some((t, u)) => Ok((t.to_string(), u.to_string())),
},
}
}
async fn get_refresh<Backend>(
data: web::Data<AppState<Backend>>,
request: HttpRequest,
@ -46,18 +64,14 @@ where
{
let backend_handler = &data.backend_handler;
let jwt_key = &data.jwt_key;
let (refresh_token, user) = match request.cookie("refresh_token") {
None => {
return HttpResponse::Unauthorized().body("Missing refresh token")
}
Some(t) => match t.value().split_once("+") {
None => {
return HttpResponse::Unauthorized().body("Invalid refresh token")
}
Some((t, u)) => (t.to_string(), u.to_string()),
},
let (refresh_token, user) = match get_refresh_token_from_cookie(request) {
Ok(t) => t,
Err(http_response) => return http_response,
};
let res_found = data.backend_handler.check_token(&refresh_token, &user).await;
let res_found = data
.backend_handler
.check_token(&refresh_token, &user)
.await;
// Async closures are not supported yet.
match res_found {
Ok(found) => {
@ -87,6 +101,59 @@ where
.unwrap_or_else(error_to_http_response)
}
async fn get_logout<Backend>(
data: web::Data<AppState<Backend>>,
request: HttpRequest,
) -> HttpResponse
where
Backend: TcpBackendHandler + BackendHandler + 'static,
{
let (refresh_token, user) = match get_refresh_token_from_cookie(request) {
Ok(t) => t,
Err(http_response) => return http_response,
};
if let Err(response) = data
.backend_handler
.delete_refresh_token(&refresh_token)
.map_err(error_to_http_response)
.await
{
return response;
};
match data
.backend_handler
.blacklist_jwts(&user)
.map_err(error_to_http_response)
.await
{
Ok(new_blacklisted_jwts) => {
let mut jwt_blacklist = data.jwt_blacklist.write().unwrap();
for jwt in new_blacklisted_jwts {
jwt_blacklist.insert(jwt);
}
},
Err(response) => return response,
};
HttpResponse::Ok()
.cookie(
Cookie::build("token", "")
.max_age(0.days())
.path("/api")
.http_only(true)
.same_site(SameSite::Strict)
.finish(),
)
.cookie(
Cookie::build("refresh_token", "")
.max_age(0.days())
.path("/api/authorize/refresh")
.http_only(true)
.same_site(SameSite::Strict)
.finish(),
)
.finish()
}
async fn post_authorize<Backend>(
data: web::Data<AppState<Backend>>,
request: web::Json<BindRequest>,
@ -137,7 +204,7 @@ pub struct CookieToHeaderTranslatorFactory;
impl<S, B> Transform<S, ServiceRequest> for CookieToHeaderTranslatorFactory
where
S: Service<ServiceRequest, Response = ServiceResponse<B>, Error=actix_web::Error>,
S: Service<ServiceRequest, Response = ServiceResponse<B>, Error = actix_web::Error>,
S::Future: 'static,
B: 'static,
{
@ -211,7 +278,7 @@ where
credentials.token().hash(&mut s);
s.finish()
};
if state.jwt_blacklist.contains(&jwt_hash) {
if state.jwt_blacklist.read().unwrap().contains(&jwt_hash) {
return Err(ErrorUnauthorized("JWT was logged out"));
}
let groups = &token.claims().groups;
@ -225,13 +292,11 @@ where
}
}
pub fn configure_server<Backend>(
cfg: &mut web::ServiceConfig,
) where
pub fn configure_server<Backend>(cfg: &mut web::ServiceConfig)
where
Backend: TcpBackendHandler + BackendHandler + 'static,
{
cfg
.service(web::resource("").route(web::post().to(post_authorize::<Backend>)))
.service(web::resource("/refresh").route(web::get().to(get_refresh::<Backend>)));
cfg.service(web::resource("").route(web::post().to(post_authorize::<Backend>)))
.service(web::resource("/refresh").route(web::get().to(get_refresh::<Backend>)))
.service(web::resource("/logout").route(web::get().to(get_logout::<Backend>)));
}

23
src/infra/jwt_sql_tables.rs
View File

@ -13,11 +13,12 @@ pub enum JwtRefreshStorage {
/// Contains the blacklisted JWT that haven't expired yet.
#[derive(Iden)]
pub enum JwtBlacklist {
pub enum JwtStorage {
Table,
JwtHash,
UserId,
ExpiryDate,
Blacklisted,
}
/// This needs to be initialized after the domain tables are.
@ -57,29 +58,35 @@ pub async fn init_table(pool: &Pool) -> sqlx::Result<()> {
sqlx::query(
&Table::create()
.table(JwtBlacklist::Table)
.table(JwtStorage::Table)
.if_not_exists()
.col(
ColumnDef::new(JwtBlacklist::JwtHash)
ColumnDef::new(JwtStorage::JwtHash)
.big_integer()
.not_null()
.primary_key(),
)
.col(
ColumnDef::new(JwtBlacklist::UserId)
ColumnDef::new(JwtStorage::UserId)
.string_len(255)
.not_null(),
)
.col(
ColumnDef::new(JwtBlacklist::ExpiryDate)
ColumnDef::new(JwtStorage::ExpiryDate)
.date_time()
.not_null(),
)
.col(
ColumnDef::new(JwtStorage::Blacklisted)
.boolean()
.default(false)
.not_null(),
)
.foreign_key(
ForeignKey::create()
.name("JwtBlacklistUserForeignKey")
.table(JwtBlacklist::Table, Users::Table)
.col(JwtBlacklist::UserId, Users::UserId)
.name("JwtStorageUserForeignKey")
.table(JwtStorage::Table, Users::Table)
.col(JwtStorage::UserId, Users::UserId)
.on_delete(ForeignKeyAction::Cascade)
.on_update(ForeignKeyAction::Cascade),
)

46
src/infra/sql_backend_handler.rs
View File

@ -4,19 +4,21 @@ use async_trait::async_trait;
use futures_util::StreamExt;
use sea_query::{Expr, Iden, Query, SimpleExpr};
use sqlx::Row;
use std::collections::hash_map::DefaultHasher;
use std::collections::HashSet;
use std::hash::{Hash, Hasher};
#[async_trait]
impl TcpBackendHandler for SqlBackendHandler {
async fn get_jwt_blacklist(&self) -> anyhow::Result<HashSet<u64>> {
use sqlx::Result;
let query = Query::select()
.column(JwtBlacklist::JwtHash)
.from(JwtBlacklist::Table)
.column(JwtStorage::JwtHash)
.from(JwtStorage::Table)
.to_string(DbQueryBuilder {});
sqlx::query(&query)
.map(|row: DbRow| row.get::<i64, _>(&*JwtBlacklist::JwtHash.to_string()) as u64)
.map(|row: DbRow| row.get::<i64, _>(&*JwtStorage::JwtHash.to_string()) as u64)
.fetch(&self.sql_pool)
.collect::<Vec<sqlx::Result<u64>>>()
.await
@ -60,8 +62,6 @@ impl TcpBackendHandler for SqlBackendHandler {
}
async fn check_token(&self, token: &str, user: &str) -> Result<bool> {
use std::collections::hash_map::DefaultHasher;
use std::hash::{Hash, Hasher};
let refresh_token_hash = {
let mut s = DefaultHasher::new();
token.hash(&mut s);
@ -78,4 +78,40 @@ impl TcpBackendHandler for SqlBackendHandler {
.await?
.is_some())
}
async fn blacklist_jwts(&self, user: &str) -> DomainResult<HashSet<u64>> {
use sqlx::Result;
let query = Query::select()
.column(JwtStorage::JwtHash)
.from(JwtStorage::Table)
.and_where(Expr::col(JwtStorage::UserId).eq(user))
.and_where(Expr::col(JwtStorage::Blacklisted).eq(true))
.to_string(DbQueryBuilder {});
let result = sqlx::query(&query)
.map(|row: DbRow| row.get::<i64, _>(&*JwtStorage::JwtHash.to_string()) as u64)
.fetch(&self.sql_pool)
.collect::<Vec<sqlx::Result<u64>>>()
.await
.into_iter()
.collect::<Result<HashSet<u64>>>();
let query = Query::update()
.table(JwtStorage::Table)
.values(vec![(JwtStorage::Blacklisted, true.into())])
.and_where(Expr::col(JwtStorage::UserId).eq(user))
.to_string(DbQueryBuilder {});
sqlx::query(&query).execute(&self.sql_pool).await?;
Ok(result?)
}
async fn delete_refresh_token(&self, token: &str) -> DomainResult<()> {
let refresh_token_hash = {
let mut s = DefaultHasher::new();
token.hash(&mut s);
s.finish()
};
let query = Query::delete()
.from_table(JwtRefreshStorage::Table)
.and_where(Expr::col(JwtRefreshStorage::RefreshTokenHash).eq(refresh_token_hash))
.to_string(DbQueryBuilder {});
sqlx::query(&query).execute(&self.sql_pool).await?;
Ok(())
}
}

13
src/infra/tcp_api.rs
View File

@ -1,10 +1,12 @@
use crate::{
domain::handler::*,
infra::{tcp_server::{AppState, error_to_http_response}, tcp_backend_handler::*},
infra::{
tcp_backend_handler::*,
tcp_server::{error_to_http_response, AppState},
},
};
use actix_web::{web, HttpResponse};
fn error_to_api_response<T>(error: DomainError) -> ApiResult<T> {
ApiResult::Right(error_to_http_response(error))
}
@ -54,12 +56,15 @@ mod tests {
use super::*;
use hmac::{Hmac, NewMac};
use std::collections::HashSet;
use std::sync::RwLock;
fn get_data(handler: MockTestTcpBackendHandler) -> web::Data<AppState<MockTestTcpBackendHandler>> {
fn get_data(
handler: MockTestTcpBackendHandler,
) -> web::Data<AppState<MockTestTcpBackendHandler>> {
let app_state = AppState::<MockTestTcpBackendHandler> {
backend_handler: handler,
jwt_key: Hmac::new_varkey(b"jwt_secret").unwrap(),
jwt_blacklist: HashSet::new(),
jwt_blacklist: RwLock::new(HashSet::new()),
};
web::Data::<AppState<MockTestTcpBackendHandler>>::new(app_state)
}

6
src/infra/tcp_backend_handler.rs
View File

@ -1,5 +1,5 @@
use std::collections::HashSet;
use async_trait::async_trait;
use std::collections::HashSet;
pub type DomainError = crate::domain::error::Error;
pub type DomainResult<T> = crate::domain::error::Result<T>;
@ -9,6 +9,8 @@ pub trait TcpBackendHandler {
async fn get_jwt_blacklist(&self) -> anyhow::Result<HashSet<u64>>;
async fn create_refresh_token(&self, user: &str) -> DomainResult<(String, chrono::Duration)>;
async fn check_token(&self, token: &str, user: &str) -> DomainResult<bool>;
async fn blacklist_jwts(&self, user: &str) -> DomainResult<HashSet<u64>>;
async fn delete_refresh_token(&self, token: &str) -> DomainResult<()>;
}
#[cfg(test)]
@ -31,5 +33,7 @@ mockall::mock! {
async fn get_jwt_blacklist(&self) -> anyhow::Result<HashSet<u64>>;
async fn create_refresh_token(&self, user: &str) -> DomainResult<(String, chrono::Duration)>;
async fn check_token(&self, token: &str, user: &str) -> DomainResult<bool>;
async fn blacklist_jwts(&self, user: &str) -> DomainResult<HashSet<u64>>;
async fn delete_refresh_token(&self, token: &str) -> DomainResult<()>;
}
}

7
src/infra/tcp_server.rs
View File

@ -1,6 +1,6 @@
use crate::{
domain::handler::*,
infra::{auth_service, tcp_api, configuration::Configuration, tcp_backend_handler::*},
infra::{auth_service, configuration::Configuration, tcp_api, tcp_backend_handler::*},
};
use actix_files::{Files, NamedFile};
use actix_http::HttpServiceBuilder;
@ -13,6 +13,7 @@ use hmac::{Hmac, NewMac};
use sha2::Sha512;
use std::collections::HashSet;
use std::path::PathBuf;
use std::sync::RwLock;
async fn index(req: HttpRequest) -> actix_web::Result<NamedFile> {
let mut path = PathBuf::new();
@ -41,7 +42,7 @@ fn http_config<Backend>(
cfg.data(AppState::<Backend> {
backend_handler,
jwt_key: Hmac::new_varkey(&jwt_secret.as_bytes()).unwrap(),
jwt_blacklist,
jwt_blacklist: RwLock::new(jwt_blacklist),
})
// Serve index.html and main.js, and default to index.html.
.route(
@ -70,7 +71,7 @@ where
{
pub backend_handler: Backend,
pub jwt_key: Hmac<Sha512>,
pub jwt_blacklist: HashSet<u64>,
pub jwt_blacklist: RwLock<HashSet<u64>>,
}
pub async fn build_tcp_server<Backend>(