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</pre></div><pre class="rust"><code><span class="kw">use </span>std::rc::Rc;
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<span class="kw">use </span>actix_session::SessionExt;
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<span class="kw">use </span>actix_utils::future::{ready, Ready};
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<span class="kw">use </span>actix_web::{
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body::MessageBody,
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cookie::time::{format_description::well_known::Rfc3339, OffsetDateTime},
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dev::{Service, ServiceRequest, ServiceResponse, Transform},
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Error, HttpMessage <span class="kw">as _</span>, <span class="prelude-ty">Result</span>,
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};
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<span class="kw">use </span>futures_core::future::LocalBoxFuture;
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<span class="kw">use crate</span>::{
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config::{Configuration, IdentityMiddlewareBuilder},
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identity::IdentityInner,
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Identity,
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};
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<span class="doccomment">/// Identity management middleware.
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///
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/// ```no_run
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/// use actix_web::{cookie::Key, App, HttpServer};
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/// use actix_session::storage::RedisSessionStore;
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/// use actix_identity::{Identity, IdentityMiddleware};
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/// use actix_session::{Session, SessionMiddleware};
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///
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/// #[actix_web::main]
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/// async fn main() {
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/// let secret_key = Key::generate();
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/// let redis_store = RedisSessionStore::new("redis://127.0.0.1:6379").await.unwrap();
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///
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/// HttpServer::new(move || {
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/// App::new()
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/// // Install the identity framework first.
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/// .wrap(IdentityMiddleware::default())
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/// // The identity system is built on top of sessions.
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/// // You must install the session middleware to leverage `actix-identity`.
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/// .wrap(SessionMiddleware::new(redis_store.clone(), secret_key.clone()))
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/// })
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/// # ;
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/// }
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/// ```
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</span><span class="attr">#[derive(Default, Clone)]
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</span><span class="kw">pub struct </span>IdentityMiddleware {
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configuration: Rc<Configuration>,
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}
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<span class="kw">impl </span>IdentityMiddleware {
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<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>new(configuration: Configuration) -> <span class="self">Self </span>{
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<span class="self">Self </span>{
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configuration: Rc::new(configuration),
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}
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}
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<span class="doccomment">/// A fluent API to configure [`IdentityMiddleware`].
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</span><span class="kw">pub fn </span>builder() -> IdentityMiddlewareBuilder {
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IdentityMiddlewareBuilder::new()
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}
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}
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<span class="kw">impl</span><S, B> Transform<S, ServiceRequest> <span class="kw">for </span>IdentityMiddleware
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<span class="kw">where
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</span>S: Service<ServiceRequest, Response = ServiceResponse<B>, Error = Error> + <span class="lifetime">'static</span>,
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S::Future: <span class="lifetime">'static</span>,
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B: MessageBody + <span class="lifetime">'static</span>,
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{
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<span class="kw">type </span>Response = ServiceResponse<B>;
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<span class="kw">type </span>Error = Error;
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<span class="kw">type </span>Transform = InnerIdentityMiddleware<S>;
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<span class="kw">type </span>InitError = ();
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<span class="kw">type </span>Future = Ready<<span class="prelude-ty">Result</span><<span class="self">Self</span>::Transform, <span class="self">Self</span>::InitError>>;
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|
||
<span class="kw">fn </span>new_transform(<span class="kw-2">&</span><span class="self">self</span>, service: S) -> <span class="self">Self</span>::Future {
|
||
ready(<span class="prelude-val">Ok</span>(InnerIdentityMiddleware {
|
||
service: Rc::new(service),
|
||
configuration: Rc::clone(<span class="kw-2">&</span><span class="self">self</span>.configuration),
|
||
}))
|
||
}
|
||
}
|
||
|
||
<span class="attr">#[doc(hidden)]
|
||
</span><span class="kw">pub struct </span>InnerIdentityMiddleware<S> {
|
||
service: Rc<S>,
|
||
configuration: Rc<Configuration>,
|
||
}
|
||
|
||
<span class="kw">impl</span><S> Clone <span class="kw">for </span>InnerIdentityMiddleware<S> {
|
||
<span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="self">Self </span>{
|
||
<span class="self">Self </span>{
|
||
service: Rc::clone(<span class="kw-2">&</span><span class="self">self</span>.service),
|
||
configuration: Rc::clone(<span class="kw-2">&</span><span class="self">self</span>.configuration),
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><S, B> Service<ServiceRequest> <span class="kw">for </span>InnerIdentityMiddleware<S>
|
||
<span class="kw">where
|
||
</span>S: Service<ServiceRequest, Response = ServiceResponse<B>, Error = Error> + <span class="lifetime">'static</span>,
|
||
S::Future: <span class="lifetime">'static</span>,
|
||
B: MessageBody + <span class="lifetime">'static</span>,
|
||
{
|
||
<span class="kw">type </span>Response = ServiceResponse<B>;
|
||
<span class="kw">type </span>Error = Error;
|
||
<span class="kw">type </span>Future = LocalBoxFuture<<span class="lifetime">'static</span>, <span class="prelude-ty">Result</span><<span class="self">Self</span>::Response, <span class="self">Self</span>::Error>>;
|
||
|
||
<span class="macro">actix_service::forward_ready!</span>(service);
|
||
|
||
<span class="kw">fn </span>call(<span class="kw-2">&</span><span class="self">self</span>, req: ServiceRequest) -> <span class="self">Self</span>::Future {
|
||
<span class="kw">let </span>srv = Rc::clone(<span class="kw-2">&</span><span class="self">self</span>.service);
|
||
<span class="kw">let </span>configuration = Rc::clone(<span class="kw-2">&</span><span class="self">self</span>.configuration);
|
||
Box::pin(<span class="kw">async move </span>{
|
||
<span class="kw">let </span>identity_inner = IdentityInner {
|
||
session: req.get_session(),
|
||
logout_behaviour: configuration.on_logout.clone(),
|
||
is_login_deadline_enabled: configuration.login_deadline.is_some(),
|
||
is_visit_deadline_enabled: configuration.visit_deadline.is_some(),
|
||
};
|
||
req.extensions_mut().insert(identity_inner);
|
||
enforce_policies(<span class="kw-2">&</span>req, <span class="kw-2">&</span>configuration);
|
||
srv.call(req).<span class="kw">await
|
||
</span>})
|
||
}
|
||
}
|
||
|
||
<span class="comment">// easier to scan with returns where they are
|
||
// especially if the function body were to evolve in the future
|
||
</span><span class="attr">#[allow(clippy::needless_return)]
|
||
</span><span class="kw">fn </span>enforce_policies(req: <span class="kw-2">&</span>ServiceRequest, configuration: <span class="kw-2">&</span>Configuration) {
|
||
<span class="kw">let </span>must_extract_identity =
|
||
configuration.login_deadline.is_some() || configuration.visit_deadline.is_some();
|
||
|
||
<span class="kw">if </span>!must_extract_identity {
|
||
<span class="kw">return</span>;
|
||
}
|
||
|
||
<span class="kw">let </span>identity = <span class="kw">match </span>Identity::extract(<span class="kw-2">&</span>req.extensions()) {
|
||
<span class="prelude-val">Ok</span>(identity) => identity,
|
||
<span class="prelude-val">Err</span>(err) => {
|
||
<span class="macro">tracing::debug!</span>(
|
||
error.display = %err,
|
||
error.debug = <span class="question-mark">?</span>err,
|
||
<span class="string">"Failed to extract an `Identity` from the incoming request."
|
||
</span>);
|
||
<span class="kw">return</span>;
|
||
}
|
||
};
|
||
|
||
<span class="kw">if let </span><span class="prelude-val">Some</span>(login_deadline) = configuration.login_deadline {
|
||
<span class="kw">if </span><span class="macro">matches!</span>(
|
||
enforce_login_deadline(<span class="kw-2">&</span>identity, login_deadline),
|
||
PolicyDecision::LogOut
|
||
) {
|
||
identity.logout();
|
||
<span class="kw">return</span>;
|
||
}
|
||
}
|
||
|
||
<span class="kw">if let </span><span class="prelude-val">Some</span>(visit_deadline) = configuration.visit_deadline {
|
||
<span class="kw">if </span><span class="macro">matches!</span>(
|
||
enforce_visit_deadline(<span class="kw-2">&</span>identity, visit_deadline),
|
||
PolicyDecision::LogOut
|
||
) {
|
||
identity.logout();
|
||
<span class="kw">return</span>;
|
||
} <span class="kw">else if let </span><span class="prelude-val">Err</span>(err) = identity.set_last_visited_at() {
|
||
<span class="macro">tracing::warn!</span>(
|
||
error.display = %err,
|
||
error.debug = <span class="question-mark">?</span>err,
|
||
<span class="string">"Failed to set the last visited timestamp on `Identity` for an incoming request."
|
||
</span>);
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">fn </span>enforce_login_deadline(
|
||
identity: <span class="kw-2">&</span>Identity,
|
||
login_deadline: std::time::Duration,
|
||
) -> PolicyDecision {
|
||
<span class="kw">match </span>identity.logged_at() {
|
||
<span class="prelude-val">Ok</span>(<span class="prelude-val">None</span>) => {
|
||
<span class="macro">tracing::info!</span>(
|
||
<span class="string">"Login deadline is enabled, but there is no login timestamp in the session \
|
||
state attached to the incoming request. Logging the user out."
|
||
</span>);
|
||
PolicyDecision::LogOut
|
||
}
|
||
<span class="prelude-val">Err</span>(err) => {
|
||
<span class="macro">tracing::info!</span>(
|
||
error.display = %err,
|
||
error.debug = <span class="question-mark">?</span>err,
|
||
<span class="string">"Login deadline is enabled but we failed to extract the login timestamp from the \
|
||
session state attached to the incoming request. Logging the user out."
|
||
</span>);
|
||
PolicyDecision::LogOut
|
||
}
|
||
<span class="prelude-val">Ok</span>(<span class="prelude-val">Some</span>(logged_in_at)) => {
|
||
<span class="kw">let </span>elapsed = OffsetDateTime::now_utc() - logged_in_at;
|
||
<span class="kw">if </span>elapsed > login_deadline {
|
||
<span class="macro">tracing::info!</span>(
|
||
user.logged_in_at = %logged_in_at.format(<span class="kw-2">&</span>Rfc3339).unwrap_or_default(),
|
||
identity.login_deadline_seconds = login_deadline.as_secs(),
|
||
identity.elapsed_since_login_seconds = elapsed.whole_seconds(),
|
||
<span class="string">"Login deadline is enabled and too much time has passed since the user logged \
|
||
in. Logging the user out."
|
||
</span>);
|
||
PolicyDecision::LogOut
|
||
} <span class="kw">else </span>{
|
||
PolicyDecision::StayLoggedIn
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">fn </span>enforce_visit_deadline(
|
||
identity: <span class="kw-2">&</span>Identity,
|
||
visit_deadline: std::time::Duration,
|
||
) -> PolicyDecision {
|
||
<span class="kw">match </span>identity.last_visited_at() {
|
||
<span class="prelude-val">Ok</span>(<span class="prelude-val">None</span>) => {
|
||
<span class="macro">tracing::info!</span>(
|
||
<span class="string">"Last visit deadline is enabled, but there is no last visit timestamp in the \
|
||
session state attached to the incoming request. Logging the user out."
|
||
</span>);
|
||
PolicyDecision::LogOut
|
||
}
|
||
<span class="prelude-val">Err</span>(err) => {
|
||
<span class="macro">tracing::info!</span>(
|
||
error.display = %err,
|
||
error.debug = <span class="question-mark">?</span>err,
|
||
<span class="string">"Last visit deadline is enabled but we failed to extract the last visit timestamp \
|
||
from the session state attached to the incoming request. Logging the user out."
|
||
</span>);
|
||
PolicyDecision::LogOut
|
||
}
|
||
<span class="prelude-val">Ok</span>(<span class="prelude-val">Some</span>(last_visited_at)) => {
|
||
<span class="kw">let </span>elapsed = OffsetDateTime::now_utc() - last_visited_at;
|
||
<span class="kw">if </span>elapsed > visit_deadline {
|
||
<span class="macro">tracing::info!</span>(
|
||
user.last_visited_at = %last_visited_at.format(<span class="kw-2">&</span>Rfc3339).unwrap_or_default(),
|
||
identity.visit_deadline_seconds = visit_deadline.as_secs(),
|
||
identity.elapsed_since_last_visit_seconds = elapsed.whole_seconds(),
|
||
<span class="string">"Last visit deadline is enabled and too much time has passed since the last \
|
||
time the user visited. Logging the user out."
|
||
</span>);
|
||
PolicyDecision::LogOut
|
||
} <span class="kw">else </span>{
|
||
PolicyDecision::StayLoggedIn
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">enum </span>PolicyDecision {
|
||
StayLoggedIn,
|
||
LogOut,
|
||
}
|
||
</code></pre></div></section></main></body></html> |