mirror of
https://github.com/actix/actix-extras.git
synced 2025-03-15 01:46:26 +01:00
242 lines
16 KiB
HTML
242 lines
16 KiB
HTML
<!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 of the Rust file `actix-session/src/storage/cookie.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>cookie.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><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="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script src="../../../crates.js"></script><script defer src="../../../main.js"></script><script defer src="../../../source-script.js"></script><script defer src="../../../source-files.js"></script>
|
||
<noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="icon" href="https://actix.rs/favicon.ico"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button><a class="sidebar-logo" href="../../../actix_session/index.html"><div class="logo-container"><img src="https://actix.rs/img/logo.png" alt="logo"></div>
|
||
</a><h2 class="location"></h2>
|
||
</nav>
|
||
<nav class="sidebar"><a class="sidebar-logo" href="../../../actix_session/index.html"><div class="logo-container">
|
||
<img src="https://actix.rs/img/logo.png" alt="logo"></div>
|
||
</a></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../actix_session/index.html">
|
||
<img src="https://actix.rs/img/logo.png" alt="logo"></a><nav class="sub"><div class="theme-picker hidden"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="22" height="22" alt="Pick another theme!" src="../../../brush.svg"></button><div id="theme-choices" role="menu"></div></div><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></form></nav></div><section id="main-content" class="content"><div class="example-wrap"><pre class="line-numbers"><span id="1">1</span>
|
||
<span id="2">2</span>
|
||
<span id="3">3</span>
|
||
<span id="4">4</span>
|
||
<span id="5">5</span>
|
||
<span id="6">6</span>
|
||
<span id="7">7</span>
|
||
<span id="8">8</span>
|
||
<span id="9">9</span>
|
||
<span id="10">10</span>
|
||
<span id="11">11</span>
|
||
<span id="12">12</span>
|
||
<span id="13">13</span>
|
||
<span id="14">14</span>
|
||
<span id="15">15</span>
|
||
<span id="16">16</span>
|
||
<span id="17">17</span>
|
||
<span id="18">18</span>
|
||
<span id="19">19</span>
|
||
<span id="20">20</span>
|
||
<span id="21">21</span>
|
||
<span id="22">22</span>
|
||
<span id="23">23</span>
|
||
<span id="24">24</span>
|
||
<span id="25">25</span>
|
||
<span id="26">26</span>
|
||
<span id="27">27</span>
|
||
<span id="28">28</span>
|
||
<span id="29">29</span>
|
||
<span id="30">30</span>
|
||
<span id="31">31</span>
|
||
<span id="32">32</span>
|
||
<span id="33">33</span>
|
||
<span id="34">34</span>
|
||
<span id="35">35</span>
|
||
<span id="36">36</span>
|
||
<span id="37">37</span>
|
||
<span id="38">38</span>
|
||
<span id="39">39</span>
|
||
<span id="40">40</span>
|
||
<span id="41">41</span>
|
||
<span id="42">42</span>
|
||
<span id="43">43</span>
|
||
<span id="44">44</span>
|
||
<span id="45">45</span>
|
||
<span id="46">46</span>
|
||
<span id="47">47</span>
|
||
<span id="48">48</span>
|
||
<span id="49">49</span>
|
||
<span id="50">50</span>
|
||
<span id="51">51</span>
|
||
<span id="52">52</span>
|
||
<span id="53">53</span>
|
||
<span id="54">54</span>
|
||
<span id="55">55</span>
|
||
<span id="56">56</span>
|
||
<span id="57">57</span>
|
||
<span id="58">58</span>
|
||
<span id="59">59</span>
|
||
<span id="60">60</span>
|
||
<span id="61">61</span>
|
||
<span id="62">62</span>
|
||
<span id="63">63</span>
|
||
<span id="64">64</span>
|
||
<span id="65">65</span>
|
||
<span id="66">66</span>
|
||
<span id="67">67</span>
|
||
<span id="68">68</span>
|
||
<span id="69">69</span>
|
||
<span id="70">70</span>
|
||
<span id="71">71</span>
|
||
<span id="72">72</span>
|
||
<span id="73">73</span>
|
||
<span id="74">74</span>
|
||
<span id="75">75</span>
|
||
<span id="76">76</span>
|
||
<span id="77">77</span>
|
||
<span id="78">78</span>
|
||
<span id="79">79</span>
|
||
<span id="80">80</span>
|
||
<span id="81">81</span>
|
||
<span id="82">82</span>
|
||
<span id="83">83</span>
|
||
<span id="84">84</span>
|
||
<span id="85">85</span>
|
||
<span id="86">86</span>
|
||
<span id="87">87</span>
|
||
<span id="88">88</span>
|
||
<span id="89">89</span>
|
||
<span id="90">90</span>
|
||
<span id="91">91</span>
|
||
<span id="92">92</span>
|
||
<span id="93">93</span>
|
||
<span id="94">94</span>
|
||
<span id="95">95</span>
|
||
<span id="96">96</span>
|
||
<span id="97">97</span>
|
||
<span id="98">98</span>
|
||
<span id="99">99</span>
|
||
<span id="100">100</span>
|
||
<span id="101">101</span>
|
||
<span id="102">102</span>
|
||
<span id="103">103</span>
|
||
<span id="104">104</span>
|
||
<span id="105">105</span>
|
||
<span id="106">106</span>
|
||
<span id="107">107</span>
|
||
<span id="108">108</span>
|
||
<span id="109">109</span>
|
||
<span id="110">110</span>
|
||
<span id="111">111</span>
|
||
<span id="112">112</span>
|
||
<span id="113">113</span>
|
||
<span id="114">114</span>
|
||
<span id="115">115</span>
|
||
<span id="116">116</span>
|
||
</pre><pre class="rust"><code><span class="kw">use</span> <span class="ident">std::convert::TryInto</span>;
|
||
|
||
<span class="kw">use</span> <span class="ident">time::Duration</span>;
|
||
|
||
<span class="kw">use</span> <span class="ident"><span class="kw">super</span>::SessionKey</span>;
|
||
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::storage</span>::{
|
||
<span class="ident">interface</span>::{<span class="ident">LoadError</span>, <span class="ident">SaveError</span>, <span class="ident">SessionState</span>, <span class="ident">UpdateError</span>},
|
||
<span class="ident">SessionStore</span>,
|
||
};
|
||
|
||
<span class="doccomment">/// Use the session key, stored in the session cookie, as storage backend for the session state.</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// ```no_run</span>
|
||
<span class="doccomment">/// use actix_web::{cookie::Key, web, App, HttpServer, HttpResponse, Error};</span>
|
||
<span class="doccomment">/// use actix_session::{SessionMiddleware, storage::CookieSessionStore};</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// // The secret key would usually be read from a configuration file/environment variables.</span>
|
||
<span class="doccomment">/// fn get_secret_key() -> Key {</span>
|
||
<span class="doccomment">/// # todo!()</span>
|
||
<span class="doccomment">/// // [...]</span>
|
||
<span class="doccomment">/// }</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// #[actix_web::main]</span>
|
||
<span class="doccomment">/// async fn main() -> std::io::Result<()> {</span>
|
||
<span class="doccomment">/// let secret_key = get_secret_key();</span>
|
||
<span class="doccomment">/// HttpServer::new(move ||</span>
|
||
<span class="doccomment">/// App::new()</span>
|
||
<span class="doccomment">/// .wrap(SessionMiddleware::new(CookieSessionStore::default(), secret_key.clone()))</span>
|
||
<span class="doccomment">/// .default_service(web::to(|| HttpResponse::Ok())))</span>
|
||
<span class="doccomment">/// .bind(("127.0.0.1", 8080))?</span>
|
||
<span class="doccomment">/// .run()</span>
|
||
<span class="doccomment">/// .await</span>
|
||
<span class="doccomment">/// }</span>
|
||
<span class="doccomment">/// ```</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// # Limitations</span>
|
||
<span class="doccomment">/// Cookies are subject to size limits - we require session keys to be shorter than 4096 bytes. This</span>
|
||
<span class="doccomment">/// translates into a limit on the maximum size of the session state when using cookies as storage</span>
|
||
<span class="doccomment">/// backend.</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// The session cookie can always be inspected by end users via the developer tools exposed by their</span>
|
||
<span class="doccomment">/// browsers. We strongly recommend setting the policy to [`CookieContentSecurity::Private`] when</span>
|
||
<span class="doccomment">/// using cookies as storage backend.</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// There is no way to invalidate a session before its natural expiry when using cookies as the</span>
|
||
<span class="doccomment">/// storage backend.</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// [`CookieContentSecurity::Private`]: crate::CookieContentSecurity::Private</span>
|
||
<span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">docsrs</span>, <span class="ident">doc</span>(<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"cookie-session"</span>)))]</span>
|
||
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Default</span>)]</span>
|
||
<span class="attribute">#[<span class="ident">non_exhaustive</span>]</span>
|
||
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">CookieSessionStore</span>;
|
||
|
||
<span class="attribute">#[<span class="ident">async_trait::async_trait</span>(<span class="question-mark">?</span><span class="ident">Send</span>)]</span>
|
||
<span class="kw">impl</span> <span class="ident">SessionStore</span> <span class="kw">for</span> <span class="ident">CookieSessionStore</span> {
|
||
<span class="kw">async</span> <span class="kw">fn</span> <span class="ident">load</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">session_key</span>: <span class="kw-2">&</span><span class="ident">SessionKey</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">SessionState</span><span class="op">></span>, <span class="ident">LoadError</span><span class="op">></span> {
|
||
<span class="ident">serde_json::from_str</span>(<span class="ident">session_key</span>.<span class="ident">as_ref</span>())
|
||
.<span class="ident">map</span>(<span class="prelude-val">Some</span>)
|
||
.<span class="ident">map_err</span>(<span class="ident">anyhow::Error::new</span>)
|
||
.<span class="ident">map_err</span>(<span class="ident">LoadError::Deserialization</span>)
|
||
}
|
||
|
||
<span class="kw">async</span> <span class="kw">fn</span> <span class="ident">save</span>(
|
||
<span class="kw-2">&</span><span class="self">self</span>,
|
||
<span class="ident">session_state</span>: <span class="ident">SessionState</span>,
|
||
<span class="ident">_ttl</span>: <span class="kw-2">&</span><span class="ident">Duration</span>,
|
||
) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">SessionKey</span>, <span class="ident">SaveError</span><span class="op">></span> {
|
||
<span class="kw">let</span> <span class="ident">session_key</span> <span class="op">=</span> <span class="ident">serde_json::to_string</span>(<span class="kw-2">&</span><span class="ident">session_state</span>)
|
||
.<span class="ident">map_err</span>(<span class="ident">anyhow::Error::new</span>)
|
||
.<span class="ident">map_err</span>(<span class="ident">SaveError::Serialization</span>)<span class="question-mark">?</span>;
|
||
|
||
<span class="prelude-val">Ok</span>(<span class="ident">session_key</span>
|
||
.<span class="ident">try_into</span>()
|
||
.<span class="ident">map_err</span>(<span class="ident">Into::into</span>)
|
||
.<span class="ident">map_err</span>(<span class="ident">SaveError::Other</span>)<span class="question-mark">?</span>)
|
||
}
|
||
|
||
<span class="kw">async</span> <span class="kw">fn</span> <span class="ident">update</span>(
|
||
<span class="kw-2">&</span><span class="self">self</span>,
|
||
<span class="ident">_session_key</span>: <span class="ident">SessionKey</span>,
|
||
<span class="ident">session_state</span>: <span class="ident">SessionState</span>,
|
||
<span class="ident">ttl</span>: <span class="kw-2">&</span><span class="ident">Duration</span>,
|
||
) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">SessionKey</span>, <span class="ident">UpdateError</span><span class="op">></span> {
|
||
<span class="self">self</span>.<span class="ident">save</span>(<span class="ident">session_state</span>, <span class="ident">ttl</span>)
|
||
.<span class="kw">await</span>
|
||
.<span class="ident">map_err</span>(<span class="op">|</span><span class="ident">err</span><span class="op">|</span> <span class="kw">match</span> <span class="ident">err</span> {
|
||
<span class="ident">SaveError::Serialization</span>(<span class="ident">err</span>) => <span class="ident">UpdateError::Serialization</span>(<span class="ident">err</span>),
|
||
<span class="ident">SaveError::Other</span>(<span class="ident">err</span>) => <span class="ident">UpdateError::Other</span>(<span class="ident">err</span>),
|
||
})
|
||
}
|
||
|
||
<span class="kw">async</span> <span class="kw">fn</span> <span class="ident">delete</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">_session_key</span>: <span class="kw-2">&</span><span class="ident">SessionKey</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span>(), <span class="ident">anyhow::Error</span><span class="op">></span> {
|
||
<span class="prelude-val">Ok</span>(())
|
||
}
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span>
|
||
<span class="kw">mod</span> <span class="ident">tests</span> {
|
||
<span class="kw">use</span> <span class="kw">super</span>::<span class="kw-2">*</span>;
|
||
<span class="kw">use</span> <span class="kw">crate</span>::{<span class="ident">storage::utils::generate_session_key</span>, <span class="ident">test_helpers::acceptance_test_suite</span>};
|
||
|
||
<span class="attribute">#[<span class="ident">actix_web::test</span>]</span>
|
||
<span class="kw">async</span> <span class="kw">fn</span> <span class="ident">test_session_workflow</span>() {
|
||
<span class="ident">acceptance_test_suite</span>(<span class="ident">CookieSessionStore::default</span>, <span class="bool-val">false</span>).<span class="kw">await</span>;
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">actix_web::test</span>]</span>
|
||
<span class="kw">async</span> <span class="kw">fn</span> <span class="ident">loading_a_random_session_key_returns_deserialization_error</span>() {
|
||
<span class="kw">let</span> <span class="ident">store</span> <span class="op">=</span> <span class="ident">CookieSessionStore::default</span>();
|
||
<span class="kw">let</span> <span class="ident">session_key</span> <span class="op">=</span> <span class="ident">generate_session_key</span>();
|
||
<span class="macro">assert!</span>(<span class="macro">matches!</span>(
|
||
<span class="ident">store</span>.<span class="ident">load</span>(<span class="kw-2">&</span><span class="ident">session_key</span>).<span class="kw">await</span>.<span class="ident">unwrap_err</span>(),
|
||
<span class="ident">LoadError::Deserialization</span>(<span class="kw">_</span>),
|
||
));
|
||
}
|
||
}
|
||
</code></pre></div>
|
||
</section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="actix_session" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.61.0-nightly (58f11791a 2022-03-17)" ></div>
|
||
</body></html> |