<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source to the Rust file `src/middleware/identity.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>identity.rs.html -- source</title><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../dark.css"><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script src="../../../storage.js"></script></head><body class="rustdoc source"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><a id="settings-menu" href="../../../settings.html"><img src="../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><pre class="line-numbers"><span id="1"> 1</span>
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</pre><pre class="rust ">
<span class="doccomment">//! Request identity service for Actix applications.</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! [**IdentityService**](struct.IdentityService.html) middleware can be</span>
<span class="doccomment">//! used with different policies types to store identity information.</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! By default, only cookie identity policy is implemented. Other backend</span>
<span class="doccomment">//! implementations can be added separately.</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! [**CookieIdentityPolicy**](struct.CookieIdentityPolicy.html)</span>
<span class="doccomment">//! uses cookies as identity storage.</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! To access current request identity</span>
<span class="doccomment">//! [**RequestIdentity**](trait.RequestIdentity.html) should be used.</span>
<span class="doccomment">//! *HttpRequest* implements *RequestIdentity* trait.</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! ```rust</span>
<span class="doccomment">//! use actix_web::middleware::identity::RequestIdentity;</span>
<span class="doccomment">//! use actix_web::middleware::identity::{CookieIdentityPolicy, IdentityService};</span>
<span class="doccomment">//! use actix_web::*;</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! fn index(req: HttpRequest) -> Result<String> {</span>
<span class="doccomment">//! // access request identity</span>
<span class="doccomment">//! if let Some(id) = req.identity() {</span>
<span class="doccomment">//! Ok(format!("Welcome! {}", id))</span>
<span class="doccomment">//! } else {</span>
<span class="doccomment">//! Ok("Welcome Anonymous!".to_owned())</span>
<span class="doccomment">//! }</span>
<span class="doccomment">//! }</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! fn login(mut req: HttpRequest) -> HttpResponse {</span>
<span class="doccomment">//! req.remember("User1".to_owned()); // <- remember identity</span>
<span class="doccomment">//! HttpResponse::Ok().finish()</span>
<span class="doccomment">//! }</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! fn logout(mut req: HttpRequest) -> HttpResponse {</span>
<span class="doccomment">//! req.forget(); // <- remove identity</span>
<span class="doccomment">//! HttpResponse::Ok().finish()</span>
<span class="doccomment">//! }</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! fn main() {</span>
<span class="doccomment">//! let app = App::new().middleware(IdentityService::new(</span>
<span class="doccomment">//! // <- create identity middleware</span>
<span class="doccomment">//! CookieIdentityPolicy::new(&[0; 32]) // <- create cookie session backend</span>
<span class="doccomment">//! .name("auth-cookie")</span>
<span class="doccomment">//! .secure(false),</span>
<span class="doccomment">//! ));</span>
<span class="doccomment">//! }</span>
<span class="doccomment">//! ```</span>
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">rc</span>::<span class="ident">Rc</span>;
<span class="kw">use</span> <span class="ident">cookie</span>::{<span class="ident">Cookie</span>, <span class="ident">CookieJar</span>, <span class="ident">Key</span>};
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>::{<span class="ident">err</span> <span class="kw">as</span> <span class="ident">FutErr</span>, <span class="ident">ok</span> <span class="kw">as</span> <span class="ident">FutOk</span>, <span class="ident">FutureResult</span>};
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">Future</span>;
<span class="kw">use</span> <span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">use</span> <span class="ident">error</span>::{<span class="ident">Error</span>, <span class="prelude-ty">Result</span>};
<span class="kw">use</span> <span class="ident">http</span>::<span class="ident">header</span>::{<span class="self">self</span>, <span class="ident">HeaderValue</span>};
<span class="kw">use</span> <span class="ident">httprequest</span>::<span class="ident">HttpRequest</span>;
<span class="kw">use</span> <span class="ident">httpresponse</span>::<span class="ident">HttpResponse</span>;
<span class="kw">use</span> <span class="ident">middleware</span>::{<span class="ident">Middleware</span>, <span class="ident">Response</span>, <span class="ident">Started</span>};
<span class="doccomment">/// The helper trait to obtain your identity from a request.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use actix_web::middleware::identity::RequestIdentity;</span>
<span class="doccomment">/// use actix_web::*;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// fn index(req: HttpRequest) -> Result<String> {</span>
<span class="doccomment">/// // access request identity</span>
<span class="doccomment">/// if let Some(id) = req.identity() {</span>
<span class="doccomment">/// Ok(format!("Welcome! {}", id))</span>
<span class="doccomment">/// } else {</span>
<span class="doccomment">/// Ok("Welcome Anonymous!".to_owned())</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// fn login(mut req: HttpRequest) -> HttpResponse {</span>
<span class="doccomment">/// req.remember("User1".to_owned()); // <- remember identity</span>
<span class="doccomment">/// HttpResponse::Ok().finish()</span>
<span class="doccomment">/// }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// fn logout(mut req: HttpRequest) -> HttpResponse {</span>
<span class="doccomment">/// req.forget(); // <- remove identity</span>
<span class="doccomment">/// HttpResponse::Ok().finish()</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// # fn main() {}</span>
<span class="doccomment">/// ```</span>
<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">RequestIdentity</span> {
<span class="doccomment">/// Return the claimed identity of the user associated request or</span>
<span class="doccomment">/// ``None`` if no identity can be found associated with the request.</span>
<span class="kw">fn</span> <span class="ident">identity</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">String</span><span class="op">></span>;
<span class="doccomment">/// Remember identity.</span>
<span class="kw">fn</span> <span class="ident">remember</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">identity</span>: <span class="ident">String</span>);
<span class="doccomment">/// This method is used to 'forget' the current identity on subsequent</span>
<span class="doccomment">/// requests.</span>
<span class="kw">fn</span> <span class="ident">forget</span>(<span class="kw-2">&</span><span class="self">self</span>);
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="ident">RequestIdentity</span> <span class="kw">for</span> <span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
<span class="kw">fn</span> <span class="ident">identity</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">String</span><span class="op">></span> {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">id</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">extensions</span>().<span class="ident">get</span>::<span class="op"><</span><span class="ident">IdentityBox</span><span class="op">></span>() {
<span class="kw">return</span> <span class="ident">id</span>.<span class="number">0</span>.<span class="ident">identity</span>().<span class="ident">map</span>(<span class="op">|</span><span class="ident">s</span><span class="op">|</span> <span class="ident">s</span>.<span class="ident">to_owned</span>());
}
<span class="prelude-val">None</span>
}
<span class="kw">fn</span> <span class="ident">remember</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">identity</span>: <span class="ident">String</span>) {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">id</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">extensions_mut</span>().<span class="ident">get_mut</span>::<span class="op"><</span><span class="ident">IdentityBox</span><span class="op">></span>() {
<span class="kw">return</span> <span class="ident">id</span>.<span class="number">0</span>.<span class="ident">as_mut</span>().<span class="ident">remember</span>(<span class="ident">identity</span>);
}
}
<span class="kw">fn</span> <span class="ident">forget</span>(<span class="kw-2">&</span><span class="self">self</span>) {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">id</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">extensions_mut</span>().<span class="ident">get_mut</span>::<span class="op"><</span><span class="ident">IdentityBox</span><span class="op">></span>() {
<span class="kw">return</span> <span class="ident">id</span>.<span class="number">0</span>.<span class="ident">forget</span>();
}
}
}
<span class="doccomment">/// An identity</span>
<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">Identity</span>: <span class="lifetime">'static</span> {
<span class="doccomment">/// Return the claimed identity of the user associated request or</span>
<span class="doccomment">/// ``None`` if no identity can be found associated with the request.</span>
<span class="kw">fn</span> <span class="ident">identity</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">str</span><span class="op">></span>;
<span class="doccomment">/// Remember identity.</span>
<span class="kw">fn</span> <span class="ident">remember</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">key</span>: <span class="ident">String</span>);
<span class="doccomment">/// This method is used to 'forget' the current identity on subsequent</span>
<span class="doccomment">/// requests.</span>
<span class="kw">fn</span> <span class="ident">forget</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>);
<span class="doccomment">/// Write session to storage backend.</span>
<span class="kw">fn</span> <span class="ident">write</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">resp</span>: <span class="ident">HttpResponse</span>) <span class="op">-></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">Response</span><span class="op">></span>;
}
<span class="doccomment">/// Identity policy definition.</span>
<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">IdentityPolicy</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>: <span class="ident">Sized</span> <span class="op">+</span> <span class="lifetime">'static</span> {
<span class="doccomment">/// The associated identity</span>
<span class="kw">type</span> <span class="ident">Identity</span>: <span class="ident">Identity</span>;
<span class="doccomment">/// The return type of the middleware</span>
<span class="kw">type</span> <span class="ident">Future</span>: <span class="ident">Future</span><span class="op"><</span><span class="ident">Item</span> <span class="op">=</span> <span class="self">Self</span>::<span class="ident">Identity</span>, <span class="ident">Error</span> <span class="op">=</span> <span class="ident">Error</span><span class="op">></span>;
<span class="doccomment">/// Parse the session from request and load data from a service identity.</span>
<span class="kw">fn</span> <span class="ident">from_request</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">request</span>: <span class="kw-2">&</span><span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>) <span class="op">-></span> <span class="self">Self</span>::<span class="ident">Future</span>;
}
<span class="doccomment">/// Request identity middleware</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// # extern crate actix_web;</span>
<span class="doccomment">/// use actix_web::middleware::identity::{CookieIdentityPolicy, IdentityService};</span>
<span class="doccomment">/// use actix_web::App;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// fn main() {</span>
<span class="doccomment">/// let app = App::new().middleware(IdentityService::new(</span>
<span class="doccomment">/// // <- create identity middleware</span>
<span class="doccomment">/// CookieIdentityPolicy::new(&[0; 32]) // <- create cookie session backend</span>
<span class="doccomment">/// .name("auth-cookie")</span>
<span class="doccomment">/// .secure(false),</span>
<span class="doccomment">/// ));</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// ```</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">IdentityService</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="ident">backend</span>: <span class="ident">T</span>,
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">IdentityService</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="doccomment">/// Create new identity service with specified backend.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">backend</span>: <span class="ident">T</span>) <span class="op">-></span> <span class="self">Self</span> {
<span class="ident">IdentityService</span> { <span class="ident">backend</span> }
}
}
<span class="kw">struct</span> <span class="ident">IdentityBox</span>(<span class="ident">Box</span><span class="op"><</span><span class="ident">Identity</span><span class="op">></span>);
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span>, <span class="ident">T</span>: <span class="ident">IdentityPolicy</span><span class="op"><</span><span class="ident">S</span><span class="op">>></span> <span class="ident">Middleware</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="kw">for</span> <span class="ident">IdentityService</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="kw">fn</span> <span class="ident">start</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>) <span class="op">-></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">Started</span><span class="op">></span> {
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span> <span class="ident">req</span>.<span class="ident">clone</span>();
<span class="kw">let</span> <span class="ident">fut</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">backend</span>.<span class="ident">from_request</span>(<span class="kw-2">&</span><span class="ident">req</span>).<span class="ident">then</span>(<span class="kw">move</span> <span class="op">|</span><span class="ident">res</span><span class="op">|</span> <span class="kw">match</span> <span class="ident">res</span> {
<span class="prelude-val">Ok</span>(<span class="ident">id</span>) <span class="op">=></span> {
<span class="ident">req</span>.<span class="ident">extensions_mut</span>().<span class="ident">insert</span>(<span class="ident">IdentityBox</span>(<span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">id</span>)));
<span class="ident">FutOk</span>(<span class="prelude-val">None</span>)
}
<span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=></span> <span class="ident">FutErr</span>(<span class="ident">err</span>),
});
<span class="prelude-val">Ok</span>(<span class="ident">Started</span>::<span class="ident">Future</span>(<span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">fut</span>)))
}
<span class="kw">fn</span> <span class="ident">response</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="ident">resp</span>: <span class="ident">HttpResponse</span>) <span class="op">-></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">Response</span><span class="op">></span> {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="kw-2">mut</span> <span class="ident">id</span>) <span class="op">=</span> <span class="ident">req</span>.<span class="ident">extensions_mut</span>().<span class="ident">get_mut</span>::<span class="op"><</span><span class="ident">IdentityBox</span><span class="op">></span>() {
<span class="ident">id</span>.<span class="number">0</span>.<span class="ident">as_mut</span>().<span class="ident">write</span>(<span class="ident">resp</span>)
} <span class="kw">else</span> {
<span class="prelude-val">Ok</span>(<span class="ident">Response</span>::<span class="ident">Done</span>(<span class="ident">resp</span>))
}
}
}
<span class="attribute">#[<span class="ident">doc</span>(<span class="ident">hidden</span>)]</span>
<span class="doccomment">/// Identity that uses private cookies as identity storage.</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">CookieIdentity</span> {
<span class="ident">changed</span>: <span class="ident">bool</span>,
<span class="ident">identity</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">String</span><span class="op">></span>,
<span class="ident">inner</span>: <span class="ident">Rc</span><span class="op"><</span><span class="ident">CookieIdentityInner</span><span class="op">></span>,
}
<span class="kw">impl</span> <span class="ident">Identity</span> <span class="kw">for</span> <span class="ident">CookieIdentity</span> {
<span class="kw">fn</span> <span class="ident">identity</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">str</span><span class="op">></span> {
<span class="self">self</span>.<span class="ident">identity</span>.<span class="ident">as_ref</span>().<span class="ident">map</span>(<span class="op">|</span><span class="ident">s</span><span class="op">|</span> <span class="ident">s</span>.<span class="ident">as_ref</span>())
}
<span class="kw">fn</span> <span class="ident">remember</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">String</span>) {
<span class="self">self</span>.<span class="ident">changed</span> <span class="op">=</span> <span class="bool-val">true</span>;
<span class="self">self</span>.<span class="ident">identity</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">value</span>);
}
<span class="kw">fn</span> <span class="ident">forget</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) {
<span class="self">self</span>.<span class="ident">changed</span> <span class="op">=</span> <span class="bool-val">true</span>;
<span class="self">self</span>.<span class="ident">identity</span> <span class="op">=</span> <span class="prelude-val">None</span>;
}
<span class="kw">fn</span> <span class="ident">write</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="kw-2">mut</span> <span class="ident">resp</span>: <span class="ident">HttpResponse</span>) <span class="op">-></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">Response</span><span class="op">></span> {
<span class="kw">if</span> <span class="self">self</span>.<span class="ident">changed</span> {
<span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">inner</span>.<span class="ident">set_cookie</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">resp</span>, <span class="self">self</span>.<span class="ident">identity</span>.<span class="ident">take</span>());
}
<span class="prelude-val">Ok</span>(<span class="ident">Response</span>::<span class="ident">Done</span>(<span class="ident">resp</span>))
}
}
<span class="kw">struct</span> <span class="ident">CookieIdentityInner</span> {
<span class="ident">key</span>: <span class="ident">Key</span>,
<span class="ident">name</span>: <span class="ident">String</span>,
<span class="ident">path</span>: <span class="ident">String</span>,
<span class="ident">domain</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">String</span><span class="op">></span>,
<span class="ident">secure</span>: <span class="ident">bool</span>,
<span class="ident">max_age</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Duration</span><span class="op">></span>,
}
<span class="kw">impl</span> <span class="ident">CookieIdentityInner</span> {
<span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">key</span>: <span class="kw-2">&</span>[<span class="ident">u8</span>]) <span class="op">-></span> <span class="ident">CookieIdentityInner</span> {
<span class="ident">CookieIdentityInner</span> {
<span class="ident">key</span>: <span class="ident">Key</span>::<span class="ident">from_master</span>(<span class="ident">key</span>),
<span class="ident">name</span>: <span class="string">"actix-identity"</span>.<span class="ident">to_owned</span>(),
<span class="ident">path</span>: <span class="string">"/"</span>.<span class="ident">to_owned</span>(),
<span class="ident">domain</span>: <span class="prelude-val">None</span>,
<span class="ident">secure</span>: <span class="bool-val">true</span>,
<span class="ident">max_age</span>: <span class="prelude-val">None</span>,
}
}
<span class="kw">fn</span> <span class="ident">set_cookie</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">resp</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">HttpResponse</span>, <span class="ident">id</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">String</span><span class="op">></span>) <span class="op">-></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="kw">let</span> <span class="ident">some</span> <span class="op">=</span> <span class="ident">id</span>.<span class="ident">is_some</span>();
{
<span class="kw">let</span> <span class="ident">id</span> <span class="op">=</span> <span class="ident">id</span>.<span class="ident">unwrap_or_else</span>(<span class="ident">String</span>::<span class="ident">new</span>);
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">cookie</span> <span class="op">=</span> <span class="ident">Cookie</span>::<span class="ident">new</span>(<span class="self">self</span>.<span class="ident">name</span>.<span class="ident">clone</span>(), <span class="ident">id</span>);
<span class="ident">cookie</span>.<span class="ident">set_path</span>(<span class="self">self</span>.<span class="ident">path</span>.<span class="ident">clone</span>());
<span class="ident">cookie</span>.<span class="ident">set_secure</span>(<span class="self">self</span>.<span class="ident">secure</span>);
<span class="ident">cookie</span>.<span class="ident">set_http_only</span>(<span class="bool-val">true</span>);
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">domain</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">domain</span> {
<span class="ident">cookie</span>.<span class="ident">set_domain</span>(<span class="ident">domain</span>.<span class="ident">clone</span>());
}
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">max_age</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">max_age</span> {
<span class="ident">cookie</span>.<span class="ident">set_max_age</span>(<span class="ident">max_age</span>);
}
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">jar</span> <span class="op">=</span> <span class="ident">CookieJar</span>::<span class="ident">new</span>();
<span class="kw">if</span> <span class="ident">some</span> {
<span class="ident">jar</span>.<span class="ident">private</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">key</span>).<span class="ident">add</span>(<span class="ident">cookie</span>);
} <span class="kw">else</span> {
<span class="ident">jar</span>.<span class="ident">add_original</span>(<span class="ident">cookie</span>.<span class="ident">clone</span>());
<span class="ident">jar</span>.<span class="ident">private</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">key</span>).<span class="ident">remove</span>(<span class="ident">cookie</span>);
}
<span class="kw">for</span> <span class="ident">cookie</span> <span class="kw">in</span> <span class="ident">jar</span>.<span class="ident">delta</span>() {
<span class="kw">let</span> <span class="ident">val</span> <span class="op">=</span> <span class="ident">HeaderValue</span>::<span class="ident">from_str</span>(<span class="kw-2">&</span><span class="ident">cookie</span>.<span class="ident">to_string</span>())<span class="question-mark">?</span>;
<span class="ident">resp</span>.<span class="ident">headers_mut</span>().<span class="ident">append</span>(<span class="ident">header</span>::<span class="ident">SET_COOKIE</span>, <span class="ident">val</span>);
}
}
<span class="prelude-val">Ok</span>(())
}
<span class="kw">fn</span> <span class="ident">load</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">String</span><span class="op">></span> {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">cookies</span>) <span class="op">=</span> <span class="ident">req</span>.<span class="ident">cookies</span>() {
<span class="kw">for</span> <span class="ident">cookie</span> <span class="kw">in</span> <span class="ident">cookies</span>.<span class="ident">iter</span>() {
<span class="kw">if</span> <span class="ident">cookie</span>.<span class="ident">name</span>() <span class="op">==</span> <span class="self">self</span>.<span class="ident">name</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">jar</span> <span class="op">=</span> <span class="ident">CookieJar</span>::<span class="ident">new</span>();
<span class="ident">jar</span>.<span class="ident">add_original</span>(<span class="ident">cookie</span>.<span class="ident">clone</span>());
<span class="kw">let</span> <span class="ident">cookie_opt</span> <span class="op">=</span> <span class="ident">jar</span>.<span class="ident">private</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">key</span>).<span class="ident">get</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">name</span>);
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">cookie</span>) <span class="op">=</span> <span class="ident">cookie_opt</span> {
<span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">cookie</span>.<span class="ident">value</span>().<span class="ident">into</span>());
}
}
}
}
<span class="prelude-val">None</span>
}
}
<span class="doccomment">/// Use cookies for request identity storage.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The constructors take a key as an argument.</span>
<span class="doccomment">/// This is the private key for cookie - when this value is changed,</span>
<span class="doccomment">/// all identities are lost. The constructors will panic if the key is less</span>
<span class="doccomment">/// than 32 bytes in length.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Example</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// # extern crate actix_web;</span>
<span class="doccomment">/// use actix_web::middleware::identity::{CookieIdentityPolicy, IdentityService};</span>
<span class="doccomment">/// use actix_web::App;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// fn main() {</span>
<span class="doccomment">/// let app = App::new().middleware(IdentityService::new(</span>
<span class="doccomment">/// // <- create identity middleware</span>
<span class="doccomment">/// CookieIdentityPolicy::new(&[0; 32]) // <- construct cookie policy</span>
<span class="doccomment">/// .domain("www.rust-lang.org")</span>
<span class="doccomment">/// .name("actix_auth")</span>
<span class="doccomment">/// .path("/")</span>
<span class="doccomment">/// .secure(true),</span>
<span class="doccomment">/// ));</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// ```</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">CookieIdentityPolicy</span>(<span class="ident">Rc</span><span class="op"><</span><span class="ident">CookieIdentityInner</span><span class="op">></span>);
<span class="kw">impl</span> <span class="ident">CookieIdentityPolicy</span> {
<span class="doccomment">/// Construct new `CookieIdentityPolicy` instance.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Panics if key length is less than 32 bytes.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">key</span>: <span class="kw-2">&</span>[<span class="ident">u8</span>]) <span class="op">-></span> <span class="ident">CookieIdentityPolicy</span> {
<span class="ident">CookieIdentityPolicy</span>(<span class="ident">Rc</span>::<span class="ident">new</span>(<span class="ident">CookieIdentityInner</span>::<span class="ident">new</span>(<span class="ident">key</span>)))
}
<span class="doccomment">/// Sets the `path` field in the session cookie being built.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">path</span><span class="op"><</span><span class="ident">S</span>: <span class="ident">Into</span><span class="op"><</span><span class="ident">String</span><span class="op">>></span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">S</span>) <span class="op">-></span> <span class="ident">CookieIdentityPolicy</span> {
<span class="ident">Rc</span>::<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="number">0</span>).<span class="ident">unwrap</span>().<span class="ident">path</span> <span class="op">=</span> <span class="ident">value</span>.<span class="ident">into</span>();
<span class="self">self</span>
}
<span class="doccomment">/// Sets the `name` field in the session cookie being built.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">name</span><span class="op"><</span><span class="ident">S</span>: <span class="ident">Into</span><span class="op"><</span><span class="ident">String</span><span class="op">>></span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">S</span>) <span class="op">-></span> <span class="ident">CookieIdentityPolicy</span> {
<span class="ident">Rc</span>::<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="number">0</span>).<span class="ident">unwrap</span>().<span class="ident">name</span> <span class="op">=</span> <span class="ident">value</span>.<span class="ident">into</span>();
<span class="self">self</span>
}
<span class="doccomment">/// Sets the `domain` field in the session cookie being built.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">domain</span><span class="op"><</span><span class="ident">S</span>: <span class="ident">Into</span><span class="op"><</span><span class="ident">String</span><span class="op">>></span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">S</span>) <span class="op">-></span> <span class="ident">CookieIdentityPolicy</span> {
<span class="ident">Rc</span>::<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="number">0</span>).<span class="ident">unwrap</span>().<span class="ident">domain</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">value</span>.<span class="ident">into</span>());
<span class="self">self</span>
}
<span class="doccomment">/// Sets the `secure` field in the session cookie being built.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// If the `secure` field is set, a cookie will only be transmitted when the</span>
<span class="doccomment">/// connection is secure - i.e. `https`</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">secure</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">bool</span>) <span class="op">-></span> <span class="ident">CookieIdentityPolicy</span> {
<span class="ident">Rc</span>::<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="number">0</span>).<span class="ident">unwrap</span>().<span class="ident">secure</span> <span class="op">=</span> <span class="ident">value</span>;
<span class="self">self</span>
}
<span class="doccomment">/// Sets the `max-age` field in the session cookie being built.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">max_age</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">Duration</span>) <span class="op">-></span> <span class="ident">CookieIdentityPolicy</span> {
<span class="ident">Rc</span>::<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="number">0</span>).<span class="ident">unwrap</span>().<span class="ident">max_age</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">value</span>);
<span class="self">self</span>
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="ident">IdentityPolicy</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="kw">for</span> <span class="ident">CookieIdentityPolicy</span> {
<span class="kw">type</span> <span class="ident">Identity</span> <span class="op">=</span> <span class="ident">CookieIdentity</span>;
<span class="kw">type</span> <span class="ident">Future</span> <span class="op">=</span> <span class="ident">FutureResult</span><span class="op"><</span><span class="ident">CookieIdentity</span>, <span class="ident">Error</span><span class="op">></span>;
<span class="kw">fn</span> <span class="ident">from_request</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>) <span class="op">-></span> <span class="self">Self</span>::<span class="ident">Future</span> {
<span class="kw">let</span> <span class="ident">identity</span> <span class="op">=</span> <span class="self">self</span>.<span class="number">0</span>.<span class="ident">load</span>(<span class="ident">req</span>);
<span class="ident">FutOk</span>(<span class="ident">CookieIdentity</span> {
<span class="ident">identity</span>,
<span class="ident">changed</span>: <span class="bool-val">false</span>,
<span class="ident">inner</span>: <span class="ident">Rc</span>::<span class="ident">clone</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="number">0</span>),
})
}
}
</pre>
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