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<!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/pred.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>pred.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 ">
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<span class="doccomment">//! Route match predicates</span>
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<span class="attribute">#![<span class="ident">allow</span>(<span class="ident">non_snake_case</span>)]</span>
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<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">marker</span>::<span class="ident">PhantomData</span>;
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<span class="kw">use</span> <span class="ident">http</span>;
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<span class="kw">use</span> <span class="ident">http</span>::{<span class="ident">header</span>, <span class="ident">HttpTryFrom</span>};
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<span class="kw">use</span> <span class="ident">server</span>::<span class="ident">message</span>::<span class="ident">Request</span>;
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<span class="doccomment">/// Trait defines resource route predicate.</span>
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<span class="doccomment">/// Predicate can modify request object. It is also possible to</span>
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<span class="doccomment">/// to store extra attributes on request by using `Extensions` container,</span>
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<span class="doccomment">/// Extensions container available via `HttpRequest::extensions()` method.</span>
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<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">Predicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
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<span class="doccomment">/// Check if request matches predicate</span>
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<span class="kw">fn</span> <span class="ident">check</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="kw-2">&</span><span class="ident">Request</span>, <span class="kw-2">&</span><span class="ident">S</span>) <span class="op">-></span> <span class="ident">bool</span>;
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}
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<span class="doccomment">/// Return predicate that matches if any of supplied predicate matches.</span>
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<span class="doccomment">///</span>
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<span class="doccomment">/// ```rust</span>
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<span class="doccomment">/// # extern crate actix_web;</span>
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<span class="doccomment">/// use actix_web::{pred, App, HttpResponse};</span>
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<span class="doccomment">///</span>
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<span class="doccomment">/// fn main() {</span>
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<span class="doccomment">/// App::new().resource("/index.html", |r| {</span>
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<span class="doccomment">/// r.route()</span>
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<span class="doccomment">/// .filter(pred::Any(pred::Get()).or(pred::Post()))</span>
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<span class="doccomment">/// .f(|r| HttpResponse::MethodNotAllowed())</span>
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<span class="doccomment">/// });</span>
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<span class="doccomment">/// }</span>
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<span class="doccomment">/// ```</span>
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<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">Any</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span>, <span class="ident">P</span>: <span class="ident">Predicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="op">+</span> <span class="lifetime">'static</span><span class="op">></span>(<span class="ident">pred</span>: <span class="ident">P</span>) <span class="op">-></span> <span class="ident">AnyPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
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||
<span class="ident">AnyPredicate</span>(<span class="macro">vec</span><span class="macro">!</span>[<span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">pred</span>)])
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}
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||
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<span class="doccomment">/// Matches if any of supplied predicate matches.</span>
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<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">AnyPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>(<span class="ident">Vec</span><span class="op"><</span><span class="ident">Box</span><span class="op"><</span><span class="ident">Predicate</span><span class="op"><</span><span class="ident">S</span><span class="op">>></span><span class="op">></span>);
|
||
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||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="ident">AnyPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
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||
<span class="doccomment">/// Add new predicate to list of predicates to check</span>
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<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">or</span><span class="op"><</span><span class="ident">P</span>: <span class="ident">Predicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="op">+</span> <span class="lifetime">'static</span><span class="op">></span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">pred</span>: <span class="ident">P</span>) <span class="op">-></span> <span class="self">Self</span> {
|
||
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">push</span>(<span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">pred</span>));
|
||
<span class="self">self</span>
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">Predicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="kw">for</span> <span class="ident">AnyPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">fn</span> <span class="ident">check</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">Request</span>, <span class="ident">state</span>: <span class="kw-2">&</span><span class="ident">S</span>) <span class="op">-></span> <span class="ident">bool</span> {
|
||
<span class="kw">for</span> <span class="ident">p</span> <span class="kw">in</span> <span class="kw-2">&</span><span class="self">self</span>.<span class="number">0</span> {
|
||
<span class="kw">if</span> <span class="ident">p</span>.<span class="ident">check</span>(<span class="ident">req</span>, <span class="ident">state</span>) {
|
||
<span class="kw">return</span> <span class="bool-val">true</span>;
|
||
}
|
||
}
|
||
<span class="bool-val">false</span>
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// Return predicate that matches if all of supplied predicate matches.</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// ```rust</span>
|
||
<span class="doccomment">/// # extern crate actix_web;</span>
|
||
<span class="doccomment">/// use actix_web::{pred, App, HttpResponse};</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// fn main() {</span>
|
||
<span class="doccomment">/// App::new().resource("/index.html", |r| {</span>
|
||
<span class="doccomment">/// r.route()</span>
|
||
<span class="doccomment">/// .filter(</span>
|
||
<span class="doccomment">/// pred::All(pred::Get())</span>
|
||
<span class="doccomment">/// .and(pred::Header("content-type", "text/plain")),</span>
|
||
<span class="doccomment">/// )</span>
|
||
<span class="doccomment">/// .f(|_| HttpResponse::MethodNotAllowed())</span>
|
||
<span class="doccomment">/// });</span>
|
||
<span class="doccomment">/// }</span>
|
||
<span class="doccomment">/// ```</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">All</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span>, <span class="ident">P</span>: <span class="ident">Predicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="op">+</span> <span class="lifetime">'static</span><span class="op">></span>(<span class="ident">pred</span>: <span class="ident">P</span>) <span class="op">-></span> <span class="ident">AllPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">AllPredicate</span>(<span class="macro">vec</span><span class="macro">!</span>[<span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">pred</span>)])
|
||
}
|
||
|
||
<span class="doccomment">/// Matches if all of supplied predicate matches.</span>
|
||
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">AllPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>(<span class="ident">Vec</span><span class="op"><</span><span class="ident">Box</span><span class="op"><</span><span class="ident">Predicate</span><span class="op"><</span><span class="ident">S</span><span class="op">>></span><span class="op">></span>);
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="ident">AllPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="doccomment">/// Add new predicate to list of predicates to check</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">and</span><span class="op"><</span><span class="ident">P</span>: <span class="ident">Predicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="op">+</span> <span class="lifetime">'static</span><span class="op">></span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">pred</span>: <span class="ident">P</span>) <span class="op">-></span> <span class="self">Self</span> {
|
||
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">push</span>(<span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">pred</span>));
|
||
<span class="self">self</span>
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">Predicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="kw">for</span> <span class="ident">AllPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">fn</span> <span class="ident">check</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">Request</span>, <span class="ident">state</span>: <span class="kw-2">&</span><span class="ident">S</span>) <span class="op">-></span> <span class="ident">bool</span> {
|
||
<span class="kw">for</span> <span class="ident">p</span> <span class="kw">in</span> <span class="kw-2">&</span><span class="self">self</span>.<span class="number">0</span> {
|
||
<span class="kw">if</span> <span class="op">!</span><span class="ident">p</span>.<span class="ident">check</span>(<span class="ident">req</span>, <span class="ident">state</span>) {
|
||
<span class="kw">return</span> <span class="bool-val">false</span>;
|
||
}
|
||
}
|
||
<span class="bool-val">true</span>
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// Return predicate that matches if supplied predicate does not match.</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">Not</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span>, <span class="ident">P</span>: <span class="ident">Predicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="op">+</span> <span class="lifetime">'static</span><span class="op">></span>(<span class="ident">pred</span>: <span class="ident">P</span>) <span class="op">-></span> <span class="ident">NotPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">NotPredicate</span>(<span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">pred</span>))
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">doc</span>(<span class="ident">hidden</span>)]</span>
|
||
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">NotPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>(<span class="ident">Box</span><span class="op"><</span><span class="ident">Predicate</span><span class="op"><</span><span class="ident">S</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="op">></span> <span class="ident">Predicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="kw">for</span> <span class="ident">NotPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">fn</span> <span class="ident">check</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">Request</span>, <span class="ident">state</span>: <span class="kw-2">&</span><span class="ident">S</span>) <span class="op">-></span> <span class="ident">bool</span> {
|
||
<span class="op">!</span><span class="self">self</span>.<span class="number">0</span>.<span class="ident">check</span>(<span class="ident">req</span>, <span class="ident">state</span>)
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// Http method predicate</span>
|
||
<span class="attribute">#[<span class="ident">doc</span>(<span class="ident">hidden</span>)]</span>
|
||
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">MethodPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>(<span class="ident">http</span>::<span class="ident">Method</span>, <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">S</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="op">></span> <span class="ident">Predicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="kw">for</span> <span class="ident">MethodPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">fn</span> <span class="ident">check</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">Request</span>, <span class="kw">_</span>: <span class="kw-2">&</span><span class="ident">S</span>) <span class="op">-></span> <span class="ident">bool</span> {
|
||
<span class="kw-2">*</span><span class="ident">req</span>.<span class="ident">method</span>() <span class="op">==</span> <span class="self">self</span>.<span class="number">0</span>
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// Predicate to match *GET* http method</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">Get</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span>() <span class="op">-></span> <span class="ident">MethodPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">MethodPredicate</span>(<span class="ident">http</span>::<span class="ident">Method</span>::<span class="ident">GET</span>, <span class="ident">PhantomData</span>)
|
||
}
|
||
|
||
<span class="doccomment">/// Predicate to match *POST* http method</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">Post</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span>() <span class="op">-></span> <span class="ident">MethodPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">MethodPredicate</span>(<span class="ident">http</span>::<span class="ident">Method</span>::<span class="ident">POST</span>, <span class="ident">PhantomData</span>)
|
||
}
|
||
|
||
<span class="doccomment">/// Predicate to match *PUT* http method</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">Put</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span>() <span class="op">-></span> <span class="ident">MethodPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">MethodPredicate</span>(<span class="ident">http</span>::<span class="ident">Method</span>::<span class="ident">PUT</span>, <span class="ident">PhantomData</span>)
|
||
}
|
||
|
||
<span class="doccomment">/// Predicate to match *DELETE* http method</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">Delete</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span>() <span class="op">-></span> <span class="ident">MethodPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">MethodPredicate</span>(<span class="ident">http</span>::<span class="ident">Method</span>::<span class="ident">DELETE</span>, <span class="ident">PhantomData</span>)
|
||
}
|
||
|
||
<span class="doccomment">/// Predicate to match *HEAD* http method</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">Head</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span>() <span class="op">-></span> <span class="ident">MethodPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">MethodPredicate</span>(<span class="ident">http</span>::<span class="ident">Method</span>::<span class="ident">HEAD</span>, <span class="ident">PhantomData</span>)
|
||
}
|
||
|
||
<span class="doccomment">/// Predicate to match *OPTIONS* http method</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">Options</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span>() <span class="op">-></span> <span class="ident">MethodPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">MethodPredicate</span>(<span class="ident">http</span>::<span class="ident">Method</span>::<span class="ident">OPTIONS</span>, <span class="ident">PhantomData</span>)
|
||
}
|
||
|
||
<span class="doccomment">/// Predicate to match *CONNECT* http method</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">Connect</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span>() <span class="op">-></span> <span class="ident">MethodPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">MethodPredicate</span>(<span class="ident">http</span>::<span class="ident">Method</span>::<span class="ident">CONNECT</span>, <span class="ident">PhantomData</span>)
|
||
}
|
||
|
||
<span class="doccomment">/// Predicate to match *PATCH* http method</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">Patch</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span>() <span class="op">-></span> <span class="ident">MethodPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">MethodPredicate</span>(<span class="ident">http</span>::<span class="ident">Method</span>::<span class="ident">PATCH</span>, <span class="ident">PhantomData</span>)
|
||
}
|
||
|
||
<span class="doccomment">/// Predicate to match *TRACE* http method</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">Trace</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span>() <span class="op">-></span> <span class="ident">MethodPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">MethodPredicate</span>(<span class="ident">http</span>::<span class="ident">Method</span>::<span class="ident">TRACE</span>, <span class="ident">PhantomData</span>)
|
||
}
|
||
|
||
<span class="doccomment">/// Predicate to match specified http method</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">Method</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span>(<span class="ident">method</span>: <span class="ident">http</span>::<span class="ident">Method</span>) <span class="op">-></span> <span class="ident">MethodPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">MethodPredicate</span>(<span class="ident">method</span>, <span class="ident">PhantomData</span>)
|
||
}
|
||
|
||
<span class="doccomment">/// Return predicate that matches if request contains specified header and</span>
|
||
<span class="doccomment">/// value.</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">Header</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span>(
|
||
<span class="ident">name</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>, <span class="ident">value</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>,
|
||
) <span class="op">-></span> <span class="ident">HeaderPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">HeaderPredicate</span>(
|
||
<span class="ident">header</span>::<span class="ident">HeaderName</span>::<span class="ident">try_from</span>(<span class="ident">name</span>).<span class="ident">unwrap</span>(),
|
||
<span class="ident">header</span>::<span class="ident">HeaderValue</span>::<span class="ident">from_static</span>(<span class="ident">value</span>),
|
||
<span class="ident">PhantomData</span>,
|
||
)
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">doc</span>(<span class="ident">hidden</span>)]</span>
|
||
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">HeaderPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>(<span class="ident">header</span>::<span class="ident">HeaderName</span>, <span class="ident">header</span>::<span class="ident">HeaderValue</span>, <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">S</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="op">></span> <span class="ident">Predicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="kw">for</span> <span class="ident">HeaderPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">fn</span> <span class="ident">check</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">Request</span>, <span class="kw">_</span>: <span class="kw-2">&</span><span class="ident">S</span>) <span class="op">-></span> <span class="ident">bool</span> {
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">val</span>) <span class="op">=</span> <span class="ident">req</span>.<span class="ident">headers</span>().<span class="ident">get</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="number">0</span>) {
|
||
<span class="kw">return</span> <span class="ident">val</span> <span class="op">==</span> <span class="self">self</span>.<span class="number">1</span>;
|
||
}
|
||
<span class="bool-val">false</span>
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// Return predicate that matches if request contains specified Host name.</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// ```rust</span>
|
||
<span class="doccomment">/// # extern crate actix_web;</span>
|
||
<span class="doccomment">/// use actix_web::{pred, App, HttpResponse};</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// fn main() {</span>
|
||
<span class="doccomment">/// App::new().resource("/index.html", |r| {</span>
|
||
<span class="doccomment">/// r.route()</span>
|
||
<span class="doccomment">/// .filter(pred::Host("www.rust-lang.org"))</span>
|
||
<span class="doccomment">/// .f(|_| HttpResponse::MethodNotAllowed())</span>
|
||
<span class="doccomment">/// });</span>
|
||
<span class="doccomment">/// }</span>
|
||
<span class="doccomment">/// ```</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">Host</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span>, <span class="ident">H</span>: <span class="ident">AsRef</span><span class="op"><</span><span class="ident">str</span><span class="op">>></span>(<span class="ident">host</span>: <span class="ident">H</span>) <span class="op">-></span> <span class="ident">HostPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">HostPredicate</span>(<span class="ident">host</span>.<span class="ident">as_ref</span>().<span class="ident">to_string</span>(), <span class="prelude-val">None</span>, <span class="ident">PhantomData</span>)
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">doc</span>(<span class="ident">hidden</span>)]</span>
|
||
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">HostPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>(<span class="ident">String</span>, <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">String</span><span class="op">></span>, <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>);
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="ident">HostPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="doccomment">/// Set reuest scheme to match</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">scheme</span><span class="op"><</span><span class="ident">H</span>: <span class="ident">AsRef</span><span class="op"><</span><span class="ident">str</span><span class="op">>></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">scheme</span>: <span class="ident">H</span>) {
|
||
<span class="self">self</span>.<span class="number">1</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">scheme</span>.<span class="ident">as_ref</span>().<span class="ident">to_string</span>())
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">Predicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="kw">for</span> <span class="ident">HostPredicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">fn</span> <span class="ident">check</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">Request</span>, <span class="kw">_</span>: <span class="kw-2">&</span><span class="ident">S</span>) <span class="op">-></span> <span class="ident">bool</span> {
|
||
<span class="kw">let</span> <span class="ident">info</span> <span class="op">=</span> <span class="ident">req</span>.<span class="ident">connection_info</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">scheme</span>) <span class="op">=</span> <span class="self">self</span>.<span class="number">1</span> {
|
||
<span class="self">self</span>.<span class="number">0</span> <span class="op">==</span> <span class="ident">info</span>.<span class="ident">host</span>() <span class="op">&&</span> <span class="ident">scheme</span> <span class="op">==</span> <span class="ident">info</span>.<span class="ident">scheme</span>()
|
||
} <span class="kw">else</span> {
|
||
<span class="self">self</span>.<span class="number">0</span> <span class="op">==</span> <span class="ident">info</span>.<span class="ident">host</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="ident">http</span>::{<span class="ident">header</span>, <span class="ident">Method</span>};
|
||
<span class="kw">use</span> <span class="ident">test</span>::<span class="ident">TestRequest</span>;
|
||
|
||
<span class="attribute">#[<span class="ident">test</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">test_header</span>() {
|
||
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">with_header</span>(
|
||
<span class="ident">header</span>::<span class="ident">TRANSFER_ENCODING</span>,
|
||
<span class="ident">header</span>::<span class="ident">HeaderValue</span>::<span class="ident">from_static</span>(<span class="string">"chunked"</span>),
|
||
).<span class="ident">finish</span>();
|
||
|
||
<span class="kw">let</span> <span class="ident">pred</span> <span class="op">=</span> <span class="ident">Header</span>(<span class="string">"transfer-encoding"</span>, <span class="string">"chunked"</span>);
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">pred</span>.<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="ident">req</span>.<span class="ident">state</span>()));
|
||
|
||
<span class="kw">let</span> <span class="ident">pred</span> <span class="op">=</span> <span class="ident">Header</span>(<span class="string">"transfer-encoding"</span>, <span class="string">"other"</span>);
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">pred</span>.<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="ident">req</span>.<span class="ident">state</span>()));
|
||
|
||
<span class="kw">let</span> <span class="ident">pred</span> <span class="op">=</span> <span class="ident">Header</span>(<span class="string">"content-type"</span>, <span class="string">"other"</span>);
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">pred</span>.<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="ident">req</span>.<span class="ident">state</span>()));
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">test</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">test_host</span>() {
|
||
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">default</span>()
|
||
.<span class="ident">header</span>(
|
||
<span class="ident">header</span>::<span class="ident">HOST</span>,
|
||
<span class="ident">header</span>::<span class="ident">HeaderValue</span>::<span class="ident">from_static</span>(<span class="string">"www.rust-lang.org"</span>),
|
||
)
|
||
.<span class="ident">finish</span>();
|
||
|
||
<span class="kw">let</span> <span class="ident">pred</span> <span class="op">=</span> <span class="ident">Host</span>(<span class="string">"www.rust-lang.org"</span>);
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">pred</span>.<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="ident">req</span>.<span class="ident">state</span>()));
|
||
|
||
<span class="kw">let</span> <span class="ident">pred</span> <span class="op">=</span> <span class="ident">Host</span>(<span class="string">"localhost"</span>);
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">pred</span>.<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="ident">req</span>.<span class="ident">state</span>()));
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">test</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">test_methods</span>() {
|
||
<span class="kw">let</span> <span class="ident">req</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">default</span>().<span class="ident">finish</span>();
|
||
<span class="kw">let</span> <span class="ident">req2</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">default</span>().<span class="ident">method</span>(<span class="ident">Method</span>::<span class="ident">POST</span>).<span class="ident">finish</span>();
|
||
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">Get</span>().<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="ident">req</span>.<span class="ident">state</span>()));
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">Get</span>().<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">req2</span>, <span class="ident">req2</span>.<span class="ident">state</span>()));
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">Post</span>().<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">req2</span>, <span class="ident">req2</span>.<span class="ident">state</span>()));
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">Post</span>().<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="ident">req</span>.<span class="ident">state</span>()));
|
||
|
||
<span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">default</span>().<span class="ident">method</span>(<span class="ident">Method</span>::<span class="ident">PUT</span>).<span class="ident">finish</span>();
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">Put</span>().<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">r</span>, <span class="ident">r</span>.<span class="ident">state</span>()));
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">Put</span>().<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="ident">req</span>.<span class="ident">state</span>()));
|
||
|
||
<span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">default</span>().<span class="ident">method</span>(<span class="ident">Method</span>::<span class="ident">DELETE</span>).<span class="ident">finish</span>();
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">Delete</span>().<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">r</span>, <span class="ident">r</span>.<span class="ident">state</span>()));
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">Delete</span>().<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="ident">req</span>.<span class="ident">state</span>()));
|
||
|
||
<span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">default</span>().<span class="ident">method</span>(<span class="ident">Method</span>::<span class="ident">HEAD</span>).<span class="ident">finish</span>();
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">Head</span>().<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">r</span>, <span class="ident">r</span>.<span class="ident">state</span>()));
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">Head</span>().<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="ident">req</span>.<span class="ident">state</span>()));
|
||
|
||
<span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">default</span>().<span class="ident">method</span>(<span class="ident">Method</span>::<span class="ident">OPTIONS</span>).<span class="ident">finish</span>();
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">Options</span>().<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">r</span>, <span class="ident">r</span>.<span class="ident">state</span>()));
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">Options</span>().<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="ident">req</span>.<span class="ident">state</span>()));
|
||
|
||
<span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">default</span>().<span class="ident">method</span>(<span class="ident">Method</span>::<span class="ident">CONNECT</span>).<span class="ident">finish</span>();
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">Connect</span>().<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">r</span>, <span class="ident">r</span>.<span class="ident">state</span>()));
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">Connect</span>().<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="ident">req</span>.<span class="ident">state</span>()));
|
||
|
||
<span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">default</span>().<span class="ident">method</span>(<span class="ident">Method</span>::<span class="ident">PATCH</span>).<span class="ident">finish</span>();
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">Patch</span>().<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">r</span>, <span class="ident">r</span>.<span class="ident">state</span>()));
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">Patch</span>().<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="ident">req</span>.<span class="ident">state</span>()));
|
||
|
||
<span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">default</span>().<span class="ident">method</span>(<span class="ident">Method</span>::<span class="ident">TRACE</span>).<span class="ident">finish</span>();
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">Trace</span>().<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">r</span>, <span class="ident">r</span>.<span class="ident">state</span>()));
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">Trace</span>().<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">req</span>, <span class="ident">req</span>.<span class="ident">state</span>()));
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">test</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">test_preds</span>() {
|
||
<span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">TestRequest</span>::<span class="ident">default</span>().<span class="ident">method</span>(<span class="ident">Method</span>::<span class="ident">TRACE</span>).<span class="ident">finish</span>();
|
||
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">Not</span>(<span class="ident">Get</span>()).<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">r</span>, <span class="ident">r</span>.<span class="ident">state</span>()));
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">Not</span>(<span class="ident">Trace</span>()).<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">r</span>, <span class="ident">r</span>.<span class="ident">state</span>()));
|
||
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">All</span>(<span class="ident">Trace</span>()).<span class="ident">and</span>(<span class="ident">Trace</span>()).<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">r</span>, <span class="ident">r</span>.<span class="ident">state</span>()));
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">All</span>(<span class="ident">Get</span>()).<span class="ident">and</span>(<span class="ident">Trace</span>()).<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">r</span>, <span class="ident">r</span>.<span class="ident">state</span>()));
|
||
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">Any</span>(<span class="ident">Get</span>()).<span class="ident">or</span>(<span class="ident">Trace</span>()).<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">r</span>, <span class="ident">r</span>.<span class="ident">state</span>()));
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">Any</span>(<span class="ident">Get</span>()).<span class="ident">or</span>(<span class="ident">Get</span>()).<span class="ident">check</span>(<span class="kw-2">&</span><span class="ident">r</span>, <span class="ident">r</span>.<span class="ident">state</span>()));
|
||
}
|
||
}
|
||
</pre>
|
||
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