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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/httpmessage.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>httpmessage.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">&#9776;</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="kw">use</span> <span class="ident">bytes</span>::{<span class="ident">Bytes</span>, <span class="ident">BytesMut</span>};
<span class="kw">use</span> <span class="ident">encoding</span>::<span class="ident">all</span>::<span class="ident">UTF_8</span>;
<span class="kw">use</span> <span class="ident">encoding</span>::<span class="ident">label</span>::<span class="ident">encoding_from_whatwg_label</span>;
<span class="kw">use</span> <span class="ident">encoding</span>::<span class="ident">types</span>::{<span class="ident">DecoderTrap</span>, <span class="ident">Encoding</span>};
<span class="kw">use</span> <span class="ident">encoding</span>::<span class="ident">EncodingRef</span>;
<span class="kw">use</span> <span class="ident">futures</span>::{<span class="ident">Async</span>, <span class="ident">Future</span>, <span class="ident">Poll</span>, <span class="ident">Stream</span>};
<span class="kw">use</span> <span class="ident">http</span>::{<span class="ident">header</span>, <span class="ident">HeaderMap</span>};
<span class="kw">use</span> <span class="ident">mime</span>::<span class="ident">Mime</span>;
<span class="kw">use</span> <span class="ident">serde</span>::<span class="ident">de</span>::<span class="ident">DeserializeOwned</span>;
<span class="kw">use</span> <span class="ident">serde_urlencoded</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">str</span>;
<span class="kw">use</span> <span class="ident">error</span>::{
<span class="ident">ContentTypeError</span>, <span class="ident">ParseError</span>, <span class="ident">PayloadError</span>, <span class="ident">ReadlinesError</span>, <span class="ident">UrlencodedError</span>,
};
<span class="kw">use</span> <span class="ident">header</span>::<span class="ident">Header</span>;
<span class="kw">use</span> <span class="ident">json</span>::<span class="ident">JsonBody</span>;
<span class="kw">use</span> <span class="ident">multipart</span>::<span class="ident">Multipart</span>;
<span class="doccomment">/// Trait that implements general purpose operations on http messages</span>
<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">HttpMessage</span>: <span class="ident">Sized</span> {
<span class="doccomment">/// Type of message payload stream</span>
<span class="kw">type</span> <span class="ident">Stream</span>: <span class="ident">Stream</span><span class="op">&lt;</span><span class="ident">Item</span> <span class="op">=</span> <span class="ident">Bytes</span>, <span class="ident">Error</span> <span class="op">=</span> <span class="ident">PayloadError</span><span class="op">&gt;</span> <span class="op">+</span> <span class="ident">Sized</span>;
<span class="doccomment">/// Read the message headers.</span>
<span class="kw">fn</span> <span class="ident">headers</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-&gt;</span> <span class="kw-2">&amp;</span><span class="ident">HeaderMap</span>;
<span class="doccomment">/// Message payload stream</span>
<span class="kw">fn</span> <span class="ident">payload</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-&gt;</span> <span class="self">Self</span>::<span class="ident">Stream</span>;
<span class="attribute">#[<span class="ident">doc</span>(<span class="ident">hidden</span>)]</span>
<span class="doccomment">/// Get a header</span>
<span class="kw">fn</span> <span class="ident">get_header</span><span class="op">&lt;</span><span class="ident">H</span>: <span class="ident">Header</span><span class="op">&gt;</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-&gt;</span> <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">H</span><span class="op">&gt;</span>
<span class="kw">where</span>
<span class="self">Self</span>: <span class="ident">Sized</span>,
{
<span class="kw">if</span> <span class="self">self</span>.<span class="ident">headers</span>().<span class="ident">contains_key</span>(<span class="ident">H</span>::<span class="ident">name</span>()) {
<span class="ident">H</span>::<span class="ident">parse</span>(<span class="self">self</span>).<span class="ident">ok</span>()
} <span class="kw">else</span> {
<span class="prelude-val">None</span>
}
}
<span class="doccomment">/// Read the request content type. If request does not contain</span>
<span class="doccomment">/// *Content-Type* header, empty str get returned.</span>
<span class="kw">fn</span> <span class="ident">content_type</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-&gt;</span> <span class="kw-2">&amp;</span><span class="ident">str</span> {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">content_type</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">headers</span>().<span class="ident">get</span>(<span class="ident">header</span>::<span class="ident">CONTENT_TYPE</span>) {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">content_type</span>) <span class="op">=</span> <span class="ident">content_type</span>.<span class="ident">to_str</span>() {
<span class="kw">return</span> <span class="ident">content_type</span>.<span class="ident">split</span>(<span class="string">&#39;;&#39;</span>).<span class="ident">next</span>().<span class="ident">unwrap</span>().<span class="ident">trim</span>();
}
}
<span class="string">&quot;&quot;</span>
}
<span class="doccomment">/// Get content type encoding</span>
<span class="doccomment">///</span>
<span class="doccomment">/// UTF-8 is used by default, If request charset is not set.</span>
<span class="kw">fn</span> <span class="ident">encoding</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-&gt;</span> <span class="prelude-ty">Result</span><span class="op">&lt;</span><span class="ident">EncodingRef</span>, <span class="ident">ContentTypeError</span><span class="op">&gt;</span> {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">mime_type</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">mime_type</span>()<span class="question-mark">?</span> {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">charset</span>) <span class="op">=</span> <span class="ident">mime_type</span>.<span class="ident">get_param</span>(<span class="string">&quot;charset&quot;</span>) {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">enc</span>) <span class="op">=</span> <span class="ident">encoding_from_whatwg_label</span>(<span class="ident">charset</span>.<span class="ident">as_str</span>()) {
<span class="prelude-val">Ok</span>(<span class="ident">enc</span>)
} <span class="kw">else</span> {
<span class="prelude-val">Err</span>(<span class="ident">ContentTypeError</span>::<span class="ident">UnknownEncoding</span>)
}
} <span class="kw">else</span> {
<span class="prelude-val">Ok</span>(<span class="ident">UTF_8</span>)
}
} <span class="kw">else</span> {
<span class="prelude-val">Ok</span>(<span class="ident">UTF_8</span>)
}
}
<span class="doccomment">/// Convert the request content type to a known mime type.</span>
<span class="kw">fn</span> <span class="ident">mime_type</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-&gt;</span> <span class="prelude-ty">Result</span><span class="op">&lt;</span><span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">Mime</span><span class="op">&gt;</span>, <span class="ident">ContentTypeError</span><span class="op">&gt;</span> {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">content_type</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">headers</span>().<span class="ident">get</span>(<span class="ident">header</span>::<span class="ident">CONTENT_TYPE</span>) {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">content_type</span>) <span class="op">=</span> <span class="ident">content_type</span>.<span class="ident">to_str</span>() {
<span class="kw">return</span> <span class="kw">match</span> <span class="ident">content_type</span>.<span class="ident">parse</span>() {
<span class="prelude-val">Ok</span>(<span class="ident">mt</span>) <span class="op">=&gt;</span> <span class="prelude-val">Ok</span>(<span class="prelude-val">Some</span>(<span class="ident">mt</span>)),
<span class="prelude-val">Err</span>(<span class="kw">_</span>) <span class="op">=&gt;</span> <span class="prelude-val">Err</span>(<span class="ident">ContentTypeError</span>::<span class="ident">ParseError</span>),
};
} <span class="kw">else</span> {
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">ContentTypeError</span>::<span class="ident">ParseError</span>);
}
}
<span class="prelude-val">Ok</span>(<span class="prelude-val">None</span>)
}
<span class="doccomment">/// Check if request has chunked transfer encoding</span>
<span class="kw">fn</span> <span class="ident">chunked</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-&gt;</span> <span class="prelude-ty">Result</span><span class="op">&lt;</span><span class="ident">bool</span>, <span class="ident">ParseError</span><span class="op">&gt;</span> {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">encodings</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">headers</span>().<span class="ident">get</span>(<span class="ident">header</span>::<span class="ident">TRANSFER_ENCODING</span>) {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">s</span>) <span class="op">=</span> <span class="ident">encodings</span>.<span class="ident">to_str</span>() {
<span class="prelude-val">Ok</span>(<span class="ident">s</span>.<span class="ident">to_lowercase</span>().<span class="ident">contains</span>(<span class="string">&quot;chunked&quot;</span>))
} <span class="kw">else</span> {
<span class="prelude-val">Err</span>(<span class="ident">ParseError</span>::<span class="ident">Header</span>)
}
} <span class="kw">else</span> {
<span class="prelude-val">Ok</span>(<span class="bool-val">false</span>)
}
}
<span class="doccomment">/// Load http message body.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// By default only 256Kb payload reads to a memory, then</span>
<span class="doccomment">/// `PayloadError::Overflow` get returned. Use `MessageBody::limit()`</span>
<span class="doccomment">/// method to change upper limit.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ## Server example</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// # extern crate bytes;</span>
<span class="doccomment">/// # extern crate actix_web;</span>
<span class="doccomment">/// # extern crate futures;</span>
<span class="doccomment">/// # #[macro_use] extern crate serde_derive;</span>
<span class="doccomment">/// use actix_web::{</span>
<span class="doccomment">/// AsyncResponder, FutureResponse, HttpMessage, HttpRequest, HttpResponse,</span>
<span class="doccomment">/// };</span>
<span class="doccomment">/// use bytes::Bytes;</span>
<span class="doccomment">/// use futures::future::Future;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// fn index(mut req: HttpRequest) -&gt; FutureResponse&lt;HttpResponse&gt; {</span>
<span class="doccomment">/// req.body() // &lt;- get Body future</span>
<span class="doccomment">/// .limit(1024) // &lt;- change max size of the body to a 1kb</span>
<span class="doccomment">/// .from_err()</span>
<span class="doccomment">/// .and_then(|bytes: Bytes| { // &lt;- complete body</span>
<span class="doccomment">/// println!(&quot;==== BODY ==== {:?}&quot;, bytes);</span>
<span class="doccomment">/// Ok(HttpResponse::Ok().into())</span>
<span class="doccomment">/// }).responder()</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// # fn main() {}</span>
<span class="doccomment">/// ```</span>
<span class="kw">fn</span> <span class="ident">body</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-&gt;</span> <span class="ident">MessageBody</span><span class="op">&lt;</span><span class="self">Self</span><span class="op">&gt;</span> {
<span class="ident">MessageBody</span>::<span class="ident">new</span>(<span class="self">self</span>)
}
<span class="doccomment">/// Parse `application/x-www-form-urlencoded` encoded request&#39;s body.</span>
<span class="doccomment">/// Return `UrlEncoded` future. Form can be deserialized to any type that</span>
<span class="doccomment">/// implements `Deserialize` trait from *serde*.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Returns error:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// * content type is not `application/x-www-form-urlencoded`</span>
<span class="doccomment">/// * content-length is greater than 256k</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ## Server example</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// # extern crate actix_web;</span>
<span class="doccomment">/// # extern crate futures;</span>
<span class="doccomment">/// # use futures::Future;</span>
<span class="doccomment">/// # use std::collections::HashMap;</span>
<span class="doccomment">/// use actix_web::{FutureResponse, HttpMessage, HttpRequest, HttpResponse};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// fn index(mut req: HttpRequest) -&gt; FutureResponse&lt;HttpResponse&gt; {</span>
<span class="doccomment">/// Box::new(</span>
<span class="doccomment">/// req.urlencoded::&lt;HashMap&lt;String, String&gt;&gt;() // &lt;- get UrlEncoded future</span>
<span class="doccomment">/// .from_err()</span>
<span class="doccomment">/// .and_then(|params| { // &lt;- url encoded parameters</span>
<span class="doccomment">/// println!(&quot;==== BODY ==== {:?}&quot;, params);</span>
<span class="doccomment">/// Ok(HttpResponse::Ok().into())</span>
<span class="doccomment">/// }),</span>
<span class="doccomment">/// )</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// # fn main() {}</span>
<span class="doccomment">/// ```</span>
<span class="kw">fn</span> <span class="ident">urlencoded</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">DeserializeOwned</span><span class="op">&gt;</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-&gt;</span> <span class="ident">UrlEncoded</span><span class="op">&lt;</span><span class="self">Self</span>, <span class="ident">T</span><span class="op">&gt;</span> {
<span class="ident">UrlEncoded</span>::<span class="ident">new</span>(<span class="self">self</span>)
}
<span class="doccomment">/// Parse `application/json` encoded body.</span>
<span class="doccomment">/// Return `JsonBody&lt;T&gt;` future. It resolves to a `T` value.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Returns error:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// * content type is not `application/json`</span>
<span class="doccomment">/// * content length is greater than 256k</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ## Server example</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// # extern crate actix_web;</span>
<span class="doccomment">/// # extern crate futures;</span>
<span class="doccomment">/// # #[macro_use] extern crate serde_derive;</span>
<span class="doccomment">/// use actix_web::*;</span>
<span class="doccomment">/// use futures::future::{ok, Future};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// #[derive(Deserialize, Debug)]</span>
<span class="doccomment">/// struct MyObj {</span>
<span class="doccomment">/// name: String,</span>
<span class="doccomment">/// }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// fn index(mut req: HttpRequest) -&gt; Box&lt;Future&lt;Item = HttpResponse, Error = Error&gt;&gt; {</span>
<span class="doccomment">/// req.json() // &lt;- get JsonBody future</span>
<span class="doccomment">/// .from_err()</span>
<span class="doccomment">/// .and_then(|val: MyObj| { // &lt;- deserialized value</span>
<span class="doccomment">/// println!(&quot;==== BODY ==== {:?}&quot;, val);</span>
<span class="doccomment">/// Ok(HttpResponse::Ok().into())</span>
<span class="doccomment">/// }).responder()</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// # fn main() {}</span>
<span class="doccomment">/// ```</span>
<span class="kw">fn</span> <span class="ident">json</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">DeserializeOwned</span><span class="op">&gt;</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-&gt;</span> <span class="ident">JsonBody</span><span class="op">&lt;</span><span class="self">Self</span>, <span class="ident">T</span><span class="op">&gt;</span> {
<span class="ident">JsonBody</span>::<span class="ident">new</span>(<span class="self">self</span>)
}
<span class="doccomment">/// Return stream to http payload processes as multipart.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Content-type: multipart/form-data;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ## Server example</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// # extern crate actix_web;</span>
<span class="doccomment">/// # extern crate env_logger;</span>
<span class="doccomment">/// # extern crate futures;</span>
<span class="doccomment">/// # use std::str;</span>
<span class="doccomment">/// # use actix_web::*;</span>
<span class="doccomment">/// # use actix_web::actix::fut::FinishStream;</span>
<span class="doccomment">/// # use futures::{Future, Stream};</span>
<span class="doccomment">/// # use futures::future::{ok, result, Either};</span>
<span class="doccomment">/// fn index(mut req: HttpRequest) -&gt; Box&lt;Future&lt;Item = HttpResponse, Error = Error&gt;&gt; {</span>
<span class="doccomment">/// req.multipart().from_err() // &lt;- get multipart stream for current request</span>
<span class="doccomment">/// .and_then(|item| match item { // &lt;- iterate over multipart items</span>
<span class="doccomment">/// multipart::MultipartItem::Field(field) =&gt; {</span>
<span class="doccomment">/// // Field in turn is stream of *Bytes* object</span>
<span class="doccomment">/// Either::A(field.from_err()</span>
<span class="doccomment">/// .map(|c| println!(&quot;-- CHUNK: \n{:?}&quot;, str::from_utf8(&amp;c)))</span>
<span class="doccomment">/// .finish())</span>
<span class="doccomment">/// },</span>
<span class="doccomment">/// multipart::MultipartItem::Nested(mp) =&gt; {</span>
<span class="doccomment">/// // Or item could be nested Multipart stream</span>
<span class="doccomment">/// Either::B(ok(()))</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// })</span>
<span class="doccomment">/// .finish() // &lt;- Stream::finish() combinator from actix</span>
<span class="doccomment">/// .map(|_| HttpResponse::Ok().into())</span>
<span class="doccomment">/// .responder()</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// # fn main() {}</span>
<span class="doccomment">/// ```</span>
<span class="kw">fn</span> <span class="ident">multipart</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-&gt;</span> <span class="ident">Multipart</span><span class="op">&lt;</span><span class="self">Self</span>::<span class="ident">Stream</span><span class="op">&gt;</span> {
<span class="kw">let</span> <span class="ident">boundary</span> <span class="op">=</span> <span class="ident">Multipart</span>::<span class="ident">boundary</span>(<span class="self">self</span>.<span class="ident">headers</span>());
<span class="ident">Multipart</span>::<span class="ident">new</span>(<span class="ident">boundary</span>, <span class="self">self</span>.<span class="ident">payload</span>())
}
<span class="doccomment">/// Return stream of lines.</span>
<span class="kw">fn</span> <span class="ident">readlines</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-&gt;</span> <span class="ident">Readlines</span><span class="op">&lt;</span><span class="self">Self</span><span class="op">&gt;</span> {
<span class="ident">Readlines</span>::<span class="ident">new</span>(<span class="self">self</span>)
}
}
<span class="doccomment">/// Stream to read request line by line.</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Readlines</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">HttpMessage</span><span class="op">&gt;</span> {
<span class="ident">stream</span>: <span class="ident">T</span>::<span class="ident">Stream</span>,
<span class="ident">buff</span>: <span class="ident">BytesMut</span>,
<span class="ident">limit</span>: <span class="ident">usize</span>,
<span class="ident">checked_buff</span>: <span class="ident">bool</span>,
<span class="ident">encoding</span>: <span class="ident">EncodingRef</span>,
<span class="ident">err</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">ReadlinesError</span><span class="op">&gt;</span>,
}
<span class="kw">impl</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">HttpMessage</span><span class="op">&gt;</span> <span class="ident">Readlines</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {
<span class="doccomment">/// Create a new stream to read request line by line.</span>
<span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">req</span>: <span class="kw-2">&amp;</span><span class="ident">T</span>) <span class="op">-&gt;</span> <span class="self">Self</span> {
<span class="kw">let</span> <span class="ident">encoding</span> <span class="op">=</span> <span class="kw">match</span> <span class="ident">req</span>.<span class="ident">encoding</span>() {
<span class="prelude-val">Ok</span>(<span class="ident">enc</span>) <span class="op">=&gt;</span> <span class="ident">enc</span>,
<span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=&gt;</span> <span class="kw">return</span> <span class="self">Self</span>::<span class="ident">err</span>(<span class="ident">req</span>, <span class="ident">err</span>.<span class="ident">into</span>()),
};
<span class="ident">Readlines</span> {
<span class="ident">stream</span>: <span class="ident">req</span>.<span class="ident">payload</span>(),
<span class="ident">buff</span>: <span class="ident">BytesMut</span>::<span class="ident">with_capacity</span>(<span class="number">262_144</span>),
<span class="ident">limit</span>: <span class="number">262_144</span>,
<span class="ident">checked_buff</span>: <span class="bool-val">true</span>,
<span class="ident">err</span>: <span class="prelude-val">None</span>,
<span class="ident">encoding</span>,
}
}
<span class="doccomment">/// Change max line size. By default max size is 256Kb</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">limit</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">limit</span>: <span class="ident">usize</span>) <span class="op">-&gt;</span> <span class="self">Self</span> {
<span class="self">self</span>.<span class="ident">limit</span> <span class="op">=</span> <span class="ident">limit</span>;
<span class="self">self</span>
}
<span class="kw">fn</span> <span class="ident">err</span>(<span class="ident">req</span>: <span class="kw-2">&amp;</span><span class="ident">T</span>, <span class="ident">err</span>: <span class="ident">ReadlinesError</span>) <span class="op">-&gt;</span> <span class="self">Self</span> {
<span class="ident">Readlines</span> {
<span class="ident">stream</span>: <span class="ident">req</span>.<span class="ident">payload</span>(),
<span class="ident">buff</span>: <span class="ident">BytesMut</span>::<span class="ident">new</span>(),
<span class="ident">limit</span>: <span class="number">262_144</span>,
<span class="ident">checked_buff</span>: <span class="bool-val">true</span>,
<span class="ident">encoding</span>: <span class="ident">UTF_8</span>,
<span class="ident">err</span>: <span class="prelude-val">Some</span>(<span class="ident">err</span>),
}
}
}
<span class="kw">impl</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">HttpMessage</span> <span class="op">+</span> <span class="lifetime">&#39;static</span><span class="op">&gt;</span> <span class="ident">Stream</span> <span class="kw">for</span> <span class="ident">Readlines</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {
<span class="kw">type</span> <span class="ident">Item</span> <span class="op">=</span> <span class="ident">String</span>;
<span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">ReadlinesError</span>;
<span class="kw">fn</span> <span class="ident">poll</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-&gt;</span> <span class="ident">Poll</span><span class="op">&lt;</span><span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="self">Self</span>::<span class="ident">Item</span><span class="op">&gt;</span>, <span class="self">Self</span>::<span class="ident">Error</span><span class="op">&gt;</span> {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">err</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">err</span>.<span class="ident">take</span>() {
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">err</span>);
}
<span class="comment">// check if there is a newline in the buffer</span>
<span class="kw">if</span> <span class="op">!</span><span class="self">self</span>.<span class="ident">checked_buff</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">found</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">usize</span><span class="op">&gt;</span> <span class="op">=</span> <span class="prelude-val">None</span>;
<span class="kw">for</span> (<span class="ident">ind</span>, <span class="ident">b</span>) <span class="kw">in</span> <span class="self">self</span>.<span class="ident">buff</span>.<span class="ident">iter</span>().<span class="ident">enumerate</span>() {
<span class="kw">if</span> <span class="kw-2">*</span><span class="ident">b</span> <span class="op">==</span> <span class="string">b&#39;\n&#39;</span> {
<span class="ident">found</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">ind</span>);
<span class="kw">break</span>;
}
}
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">ind</span>) <span class="op">=</span> <span class="ident">found</span> {
<span class="comment">// check if line is longer than limit</span>
<span class="kw">if</span> <span class="ident">ind</span> <span class="op">+</span> <span class="number">1</span> <span class="op">&gt;</span> <span class="self">self</span>.<span class="ident">limit</span> {
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">ReadlinesError</span>::<span class="ident">LimitOverflow</span>);
}
<span class="kw">let</span> <span class="ident">enc</span>: <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">Encoding</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">encoding</span> <span class="kw">as</span> <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">Encoding</span>;
<span class="kw">let</span> <span class="ident">line</span> <span class="op">=</span> <span class="kw">if</span> <span class="ident">enc</span> <span class="op">==</span> <span class="ident">UTF_8</span> {
<span class="ident">str</span>::<span class="ident">from_utf8</span>(<span class="kw-2">&amp;</span><span class="self">self</span>.<span class="ident">buff</span>.<span class="ident">split_to</span>(<span class="ident">ind</span> <span class="op">+</span> <span class="number">1</span>))
.<span class="ident">map_err</span>(<span class="op">|</span><span class="kw">_</span><span class="op">|</span> <span class="ident">ReadlinesError</span>::<span class="ident">EncodingError</span>)<span class="question-mark">?</span>
.<span class="ident">to_owned</span>()
} <span class="kw">else</span> {
<span class="self">self</span>.<span class="ident">encoding</span>
.<span class="ident">decode</span>(<span class="kw-2">&amp;</span><span class="self">self</span>.<span class="ident">buff</span>.<span class="ident">split_to</span>(<span class="ident">ind</span> <span class="op">+</span> <span class="number">1</span>), <span class="ident">DecoderTrap</span>::<span class="ident">Strict</span>)
.<span class="ident">map_err</span>(<span class="op">|</span><span class="kw">_</span><span class="op">|</span> <span class="ident">ReadlinesError</span>::<span class="ident">EncodingError</span>)<span class="question-mark">?</span>
};
<span class="kw">return</span> <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">Some</span>(<span class="ident">line</span>)));
}
<span class="self">self</span>.<span class="ident">checked_buff</span> <span class="op">=</span> <span class="bool-val">true</span>;
}
<span class="comment">// poll req for more bytes</span>
<span class="kw">match</span> <span class="self">self</span>.<span class="ident">stream</span>.<span class="ident">poll</span>() {
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">Some</span>(<span class="kw-2">mut</span> <span class="ident">bytes</span>))) <span class="op">=&gt;</span> {
<span class="comment">// check if there is a newline in bytes</span>
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">found</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">usize</span><span class="op">&gt;</span> <span class="op">=</span> <span class="prelude-val">None</span>;
<span class="kw">for</span> (<span class="ident">ind</span>, <span class="ident">b</span>) <span class="kw">in</span> <span class="ident">bytes</span>.<span class="ident">iter</span>().<span class="ident">enumerate</span>() {
<span class="kw">if</span> <span class="kw-2">*</span><span class="ident">b</span> <span class="op">==</span> <span class="string">b&#39;\n&#39;</span> {
<span class="ident">found</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">ind</span>);
<span class="kw">break</span>;
}
}
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">ind</span>) <span class="op">=</span> <span class="ident">found</span> {
<span class="comment">// check if line is longer than limit</span>
<span class="kw">if</span> <span class="ident">ind</span> <span class="op">+</span> <span class="number">1</span> <span class="op">&gt;</span> <span class="self">self</span>.<span class="ident">limit</span> {
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">ReadlinesError</span>::<span class="ident">LimitOverflow</span>);
}
<span class="kw">let</span> <span class="ident">enc</span>: <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">Encoding</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">encoding</span> <span class="kw">as</span> <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">Encoding</span>;
<span class="kw">let</span> <span class="ident">line</span> <span class="op">=</span> <span class="kw">if</span> <span class="ident">enc</span> <span class="op">==</span> <span class="ident">UTF_8</span> {
<span class="ident">str</span>::<span class="ident">from_utf8</span>(<span class="kw-2">&amp;</span><span class="ident">bytes</span>.<span class="ident">split_to</span>(<span class="ident">ind</span> <span class="op">+</span> <span class="number">1</span>))
.<span class="ident">map_err</span>(<span class="op">|</span><span class="kw">_</span><span class="op">|</span> <span class="ident">ReadlinesError</span>::<span class="ident">EncodingError</span>)<span class="question-mark">?</span>
.<span class="ident">to_owned</span>()
} <span class="kw">else</span> {
<span class="self">self</span>.<span class="ident">encoding</span>
.<span class="ident">decode</span>(<span class="kw-2">&amp;</span><span class="ident">bytes</span>.<span class="ident">split_to</span>(<span class="ident">ind</span> <span class="op">+</span> <span class="number">1</span>), <span class="ident">DecoderTrap</span>::<span class="ident">Strict</span>)
.<span class="ident">map_err</span>(<span class="op">|</span><span class="kw">_</span><span class="op">|</span> <span class="ident">ReadlinesError</span>::<span class="ident">EncodingError</span>)<span class="question-mark">?</span>
};
<span class="comment">// extend buffer with rest of the bytes;</span>
<span class="self">self</span>.<span class="ident">buff</span>.<span class="ident">extend_from_slice</span>(<span class="kw-2">&amp;</span><span class="ident">bytes</span>);
<span class="self">self</span>.<span class="ident">checked_buff</span> <span class="op">=</span> <span class="bool-val">false</span>;
<span class="kw">return</span> <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">Some</span>(<span class="ident">line</span>)));
}
<span class="self">self</span>.<span class="ident">buff</span>.<span class="ident">extend_from_slice</span>(<span class="kw-2">&amp;</span><span class="ident">bytes</span>);
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>)
}
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>) <span class="op">=&gt;</span> <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>),
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">None</span>)) <span class="op">=&gt;</span> {
<span class="kw">if</span> <span class="self">self</span>.<span class="ident">buff</span>.<span class="ident">is_empty</span>() {
<span class="kw">return</span> <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">None</span>));
}
<span class="kw">if</span> <span class="self">self</span>.<span class="ident">buff</span>.<span class="ident">len</span>() <span class="op">&gt;</span> <span class="self">self</span>.<span class="ident">limit</span> {
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">ReadlinesError</span>::<span class="ident">LimitOverflow</span>);
}
<span class="kw">let</span> <span class="ident">enc</span>: <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">Encoding</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">encoding</span> <span class="kw">as</span> <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">Encoding</span>;
<span class="kw">let</span> <span class="ident">line</span> <span class="op">=</span> <span class="kw">if</span> <span class="ident">enc</span> <span class="op">==</span> <span class="ident">UTF_8</span> {
<span class="ident">str</span>::<span class="ident">from_utf8</span>(<span class="kw-2">&amp;</span><span class="self">self</span>.<span class="ident">buff</span>)
.<span class="ident">map_err</span>(<span class="op">|</span><span class="kw">_</span><span class="op">|</span> <span class="ident">ReadlinesError</span>::<span class="ident">EncodingError</span>)<span class="question-mark">?</span>
.<span class="ident">to_owned</span>()
} <span class="kw">else</span> {
<span class="self">self</span>.<span class="ident">encoding</span>
.<span class="ident">decode</span>(<span class="kw-2">&amp;</span><span class="self">self</span>.<span class="ident">buff</span>, <span class="ident">DecoderTrap</span>::<span class="ident">Strict</span>)
.<span class="ident">map_err</span>(<span class="op">|</span><span class="kw">_</span><span class="op">|</span> <span class="ident">ReadlinesError</span>::<span class="ident">EncodingError</span>)<span class="question-mark">?</span>
};
<span class="self">self</span>.<span class="ident">buff</span>.<span class="ident">clear</span>();
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">Some</span>(<span class="ident">line</span>)))
}
<span class="prelude-val">Err</span>(<span class="ident">e</span>) <span class="op">=&gt;</span> <span class="prelude-val">Err</span>(<span class="ident">ReadlinesError</span>::<span class="ident">from</span>(<span class="ident">e</span>)),
}
}
}
<span class="doccomment">/// Future that resolves to a complete http message body.</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">MessageBody</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">HttpMessage</span><span class="op">&gt;</span> {
<span class="ident">limit</span>: <span class="ident">usize</span>,
<span class="ident">length</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">usize</span><span class="op">&gt;</span>,
<span class="ident">stream</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">T</span>::<span class="ident">Stream</span><span class="op">&gt;</span>,
<span class="ident">err</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">PayloadError</span><span class="op">&gt;</span>,
<span class="ident">fut</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">Box</span><span class="op">&lt;</span><span class="ident">Future</span><span class="op">&lt;</span><span class="ident">Item</span> <span class="op">=</span> <span class="ident">Bytes</span>, <span class="ident">Error</span> <span class="op">=</span> <span class="ident">PayloadError</span><span class="op">&gt;&gt;</span><span class="op">&gt;</span>,
}
<span class="kw">impl</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">HttpMessage</span><span class="op">&gt;</span> <span class="ident">MessageBody</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {
<span class="doccomment">/// Create `MessageBody` for request.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">req</span>: <span class="kw-2">&amp;</span><span class="ident">T</span>) <span class="op">-&gt;</span> <span class="ident">MessageBody</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">len</span> <span class="op">=</span> <span class="prelude-val">None</span>;
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">l</span>) <span class="op">=</span> <span class="ident">req</span>.<span class="ident">headers</span>().<span class="ident">get</span>(<span class="ident">header</span>::<span class="ident">CONTENT_LENGTH</span>) {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">s</span>) <span class="op">=</span> <span class="ident">l</span>.<span class="ident">to_str</span>() {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">l</span>) <span class="op">=</span> <span class="ident">s</span>.<span class="ident">parse</span>::<span class="op">&lt;</span><span class="ident">usize</span><span class="op">&gt;</span>() {
<span class="ident">len</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">l</span>)
} <span class="kw">else</span> {
<span class="kw">return</span> <span class="self">Self</span>::<span class="ident">err</span>(<span class="ident">PayloadError</span>::<span class="ident">UnknownLength</span>);
}
} <span class="kw">else</span> {
<span class="kw">return</span> <span class="self">Self</span>::<span class="ident">err</span>(<span class="ident">PayloadError</span>::<span class="ident">UnknownLength</span>);
}
}
<span class="ident">MessageBody</span> {
<span class="ident">limit</span>: <span class="number">262_144</span>,
<span class="ident">length</span>: <span class="ident">len</span>,
<span class="ident">stream</span>: <span class="prelude-val">Some</span>(<span class="ident">req</span>.<span class="ident">payload</span>()),
<span class="ident">fut</span>: <span class="prelude-val">None</span>,
<span class="ident">err</span>: <span class="prelude-val">None</span>,
}
}
<span class="doccomment">/// Change max size of payload. By default max size is 256Kb</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">limit</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">limit</span>: <span class="ident">usize</span>) <span class="op">-&gt;</span> <span class="self">Self</span> {
<span class="self">self</span>.<span class="ident">limit</span> <span class="op">=</span> <span class="ident">limit</span>;
<span class="self">self</span>
}
<span class="kw">fn</span> <span class="ident">err</span>(<span class="ident">e</span>: <span class="ident">PayloadError</span>) <span class="op">-&gt;</span> <span class="self">Self</span> {
<span class="ident">MessageBody</span> {
<span class="ident">stream</span>: <span class="prelude-val">None</span>,
<span class="ident">limit</span>: <span class="number">262_144</span>,
<span class="ident">fut</span>: <span class="prelude-val">None</span>,
<span class="ident">err</span>: <span class="prelude-val">Some</span>(<span class="ident">e</span>),
<span class="ident">length</span>: <span class="prelude-val">None</span>,
}
}
}
<span class="kw">impl</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> <span class="ident">Future</span> <span class="kw">for</span> <span class="ident">MessageBody</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">HttpMessage</span> <span class="op">+</span> <span class="lifetime">&#39;static</span>,
{
<span class="kw">type</span> <span class="ident">Item</span> <span class="op">=</span> <span class="ident">Bytes</span>;
<span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">PayloadError</span>;
<span class="kw">fn</span> <span class="ident">poll</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-&gt;</span> <span class="ident">Poll</span><span class="op">&lt;</span><span class="self">Self</span>::<span class="ident">Item</span>, <span class="self">Self</span>::<span class="ident">Error</span><span class="op">&gt;</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">fut</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">fut</span> {
<span class="kw">return</span> <span class="ident">fut</span>.<span class="ident">poll</span>();
}
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">err</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">err</span>.<span class="ident">take</span>() {
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">err</span>);
}
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">len</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">length</span>.<span class="ident">take</span>() {
<span class="kw">if</span> <span class="ident">len</span> <span class="op">&gt;</span> <span class="self">self</span>.<span class="ident">limit</span> {
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">PayloadError</span>::<span class="ident">Overflow</span>);
}
}
<span class="comment">// future</span>
<span class="kw">let</span> <span class="ident">limit</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">limit</span>;
<span class="self">self</span>.<span class="ident">fut</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">Box</span>::<span class="ident">new</span>(
<span class="self">self</span>.<span class="ident">stream</span>
.<span class="ident">take</span>()
.<span class="ident">expect</span>(<span class="string">&quot;Can not be used second time&quot;</span>)
.<span class="ident">from_err</span>()
.<span class="ident">fold</span>(<span class="ident">BytesMut</span>::<span class="ident">with_capacity</span>(<span class="number">8192</span>), <span class="kw">move</span> <span class="op">|</span><span class="kw-2">mut</span> <span class="ident">body</span>, <span class="ident">chunk</span><span class="op">|</span> {
<span class="kw">if</span> (<span class="ident">body</span>.<span class="ident">len</span>() <span class="op">+</span> <span class="ident">chunk</span>.<span class="ident">len</span>()) <span class="op">&gt;</span> <span class="ident">limit</span> {
<span class="prelude-val">Err</span>(<span class="ident">PayloadError</span>::<span class="ident">Overflow</span>)
} <span class="kw">else</span> {
<span class="ident">body</span>.<span class="ident">extend_from_slice</span>(<span class="kw-2">&amp;</span><span class="ident">chunk</span>);
<span class="prelude-val">Ok</span>(<span class="ident">body</span>)
}
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}).<span class="ident">map</span>(<span class="op">|</span><span class="ident">body</span><span class="op">|</span> <span class="ident">body</span>.<span class="ident">freeze</span>()),
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));
<span class="self">self</span>.<span class="ident">poll</span>()
}
}
<span class="doccomment">/// Future that resolves to a parsed urlencoded values.</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">UrlEncoded</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">HttpMessage</span>, <span class="ident">U</span><span class="op">&gt;</span> {
<span class="ident">stream</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">T</span>::<span class="ident">Stream</span><span class="op">&gt;</span>,
<span class="ident">limit</span>: <span class="ident">usize</span>,
<span class="ident">length</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">usize</span><span class="op">&gt;</span>,
<span class="ident">encoding</span>: <span class="ident">EncodingRef</span>,
<span class="ident">err</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">UrlencodedError</span><span class="op">&gt;</span>,
<span class="ident">fut</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">Box</span><span class="op">&lt;</span><span class="ident">Future</span><span class="op">&lt;</span><span class="ident">Item</span> <span class="op">=</span> <span class="ident">U</span>, <span class="ident">Error</span> <span class="op">=</span> <span class="ident">UrlencodedError</span><span class="op">&gt;&gt;</span><span class="op">&gt;</span>,
}
<span class="kw">impl</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">HttpMessage</span>, <span class="ident">U</span><span class="op">&gt;</span> <span class="ident">UrlEncoded</span><span class="op">&lt;</span><span class="ident">T</span>, <span class="ident">U</span><span class="op">&gt;</span> {
<span class="doccomment">/// Create a new future to URL encode a request</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">req</span>: <span class="kw-2">&amp;</span><span class="ident">T</span>) <span class="op">-&gt;</span> <span class="ident">UrlEncoded</span><span class="op">&lt;</span><span class="ident">T</span>, <span class="ident">U</span><span class="op">&gt;</span> {
<span class="comment">// check content type</span>
<span class="kw">if</span> <span class="ident">req</span>.<span class="ident">content_type</span>().<span class="ident">to_lowercase</span>() <span class="op">!=</span> <span class="string">&quot;application/x-www-form-urlencoded&quot;</span> {
<span class="kw">return</span> <span class="self">Self</span>::<span class="ident">err</span>(<span class="ident">UrlencodedError</span>::<span class="ident">ContentType</span>);
}
<span class="kw">let</span> <span class="ident">encoding</span> <span class="op">=</span> <span class="kw">match</span> <span class="ident">req</span>.<span class="ident">encoding</span>() {
<span class="prelude-val">Ok</span>(<span class="ident">enc</span>) <span class="op">=&gt;</span> <span class="ident">enc</span>,
<span class="prelude-val">Err</span>(<span class="kw">_</span>) <span class="op">=&gt;</span> <span class="kw">return</span> <span class="self">Self</span>::<span class="ident">err</span>(<span class="ident">UrlencodedError</span>::<span class="ident">ContentType</span>),
};
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">len</span> <span class="op">=</span> <span class="prelude-val">None</span>;
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">l</span>) <span class="op">=</span> <span class="ident">req</span>.<span class="ident">headers</span>().<span class="ident">get</span>(<span class="ident">header</span>::<span class="ident">CONTENT_LENGTH</span>) {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">s</span>) <span class="op">=</span> <span class="ident">l</span>.<span class="ident">to_str</span>() {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">l</span>) <span class="op">=</span> <span class="ident">s</span>.<span class="ident">parse</span>::<span class="op">&lt;</span><span class="ident">usize</span><span class="op">&gt;</span>() {
<span class="ident">len</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">l</span>)
} <span class="kw">else</span> {
<span class="kw">return</span> <span class="self">Self</span>::<span class="ident">err</span>(<span class="ident">UrlencodedError</span>::<span class="ident">UnknownLength</span>);
}
} <span class="kw">else</span> {
<span class="kw">return</span> <span class="self">Self</span>::<span class="ident">err</span>(<span class="ident">UrlencodedError</span>::<span class="ident">UnknownLength</span>);
}
};
<span class="ident">UrlEncoded</span> {
<span class="ident">encoding</span>,
<span class="ident">stream</span>: <span class="prelude-val">Some</span>(<span class="ident">req</span>.<span class="ident">payload</span>()),
<span class="ident">limit</span>: <span class="number">262_144</span>,
<span class="ident">length</span>: <span class="ident">len</span>,
<span class="ident">fut</span>: <span class="prelude-val">None</span>,
<span class="ident">err</span>: <span class="prelude-val">None</span>,
}
}
<span class="kw">fn</span> <span class="ident">err</span>(<span class="ident">e</span>: <span class="ident">UrlencodedError</span>) <span class="op">-&gt;</span> <span class="self">Self</span> {
<span class="ident">UrlEncoded</span> {
<span class="ident">stream</span>: <span class="prelude-val">None</span>,
<span class="ident">limit</span>: <span class="number">262_144</span>,
<span class="ident">fut</span>: <span class="prelude-val">None</span>,
<span class="ident">err</span>: <span class="prelude-val">Some</span>(<span class="ident">e</span>),
<span class="ident">length</span>: <span class="prelude-val">None</span>,
<span class="ident">encoding</span>: <span class="ident">UTF_8</span>,
}
}
<span class="doccomment">/// Change max size of payload. By default max size is 256Kb</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">limit</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">limit</span>: <span class="ident">usize</span>) <span class="op">-&gt;</span> <span class="self">Self</span> {
<span class="self">self</span>.<span class="ident">limit</span> <span class="op">=</span> <span class="ident">limit</span>;
<span class="self">self</span>
}
}
<span class="kw">impl</span><span class="op">&lt;</span><span class="ident">T</span>, <span class="ident">U</span><span class="op">&gt;</span> <span class="ident">Future</span> <span class="kw">for</span> <span class="ident">UrlEncoded</span><span class="op">&lt;</span><span class="ident">T</span>, <span class="ident">U</span><span class="op">&gt;</span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">HttpMessage</span> <span class="op">+</span> <span class="lifetime">&#39;static</span>,
<span class="ident">U</span>: <span class="ident">DeserializeOwned</span> <span class="op">+</span> <span class="lifetime">&#39;static</span>,
{
<span class="kw">type</span> <span class="ident">Item</span> <span class="op">=</span> <span class="ident">U</span>;
<span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">UrlencodedError</span>;
<span class="kw">fn</span> <span class="ident">poll</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-&gt;</span> <span class="ident">Poll</span><span class="op">&lt;</span><span class="self">Self</span>::<span class="ident">Item</span>, <span class="self">Self</span>::<span class="ident">Error</span><span class="op">&gt;</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">fut</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">fut</span> {
<span class="kw">return</span> <span class="ident">fut</span>.<span class="ident">poll</span>();
}
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">err</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">err</span>.<span class="ident">take</span>() {
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">err</span>);
}
<span class="comment">// payload size</span>
<span class="kw">let</span> <span class="ident">limit</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">limit</span>;
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">len</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">length</span>.<span class="ident">take</span>() {
<span class="kw">if</span> <span class="ident">len</span> <span class="op">&gt;</span> <span class="ident">limit</span> {
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">UrlencodedError</span>::<span class="ident">Overflow</span>);
}
}
<span class="comment">// future</span>
<span class="kw">let</span> <span class="ident">encoding</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">encoding</span>;
<span class="kw">let</span> <span class="ident">fut</span> <span class="op">=</span> <span class="self">self</span>
.<span class="ident">stream</span>
.<span class="ident">take</span>()
.<span class="ident">expect</span>(<span class="string">&quot;UrlEncoded could not be used second time&quot;</span>)
.<span class="ident">from_err</span>()
.<span class="ident">fold</span>(<span class="ident">BytesMut</span>::<span class="ident">with_capacity</span>(<span class="number">8192</span>), <span class="kw">move</span> <span class="op">|</span><span class="kw-2">mut</span> <span class="ident">body</span>, <span class="ident">chunk</span><span class="op">|</span> {
<span class="kw">if</span> (<span class="ident">body</span>.<span class="ident">len</span>() <span class="op">+</span> <span class="ident">chunk</span>.<span class="ident">len</span>()) <span class="op">&gt;</span> <span class="ident">limit</span> {
<span class="prelude-val">Err</span>(<span class="ident">UrlencodedError</span>::<span class="ident">Overflow</span>)
} <span class="kw">else</span> {
<span class="ident">body</span>.<span class="ident">extend_from_slice</span>(<span class="kw-2">&amp;</span><span class="ident">chunk</span>);
<span class="prelude-val">Ok</span>(<span class="ident">body</span>)
}
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}).<span class="ident">and_then</span>(<span class="kw">move</span> <span class="op">|</span><span class="ident">body</span><span class="op">|</span> {
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<span class="kw">if</span> (<span class="ident">encoding</span> <span class="kw">as</span> <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">Encoding</span>) <span class="op">==</span> <span class="ident">UTF_8</span> {
<span class="ident">serde_urlencoded</span>::<span class="ident">from_bytes</span>::<span class="op">&lt;</span><span class="ident">U</span><span class="op">&gt;</span>(<span class="kw-2">&amp;</span><span class="ident">body</span>)
.<span class="ident">map_err</span>(<span class="op">|</span><span class="kw">_</span><span class="op">|</span> <span class="ident">UrlencodedError</span>::<span class="ident">Parse</span>)
} <span class="kw">else</span> {
<span class="kw">let</span> <span class="ident">body</span> <span class="op">=</span> <span class="ident">encoding</span>
.<span class="ident">decode</span>(<span class="kw-2">&amp;</span><span class="ident">body</span>, <span class="ident">DecoderTrap</span>::<span class="ident">Strict</span>)
.<span class="ident">map_err</span>(<span class="op">|</span><span class="kw">_</span><span class="op">|</span> <span class="ident">UrlencodedError</span>::<span class="ident">Parse</span>)<span class="question-mark">?</span>;
<span class="ident">serde_urlencoded</span>::<span class="ident">from_str</span>::<span class="op">&lt;</span><span class="ident">U</span><span class="op">&gt;</span>(<span class="kw-2">&amp;</span><span class="ident">body</span>)
.<span class="ident">map_err</span>(<span class="op">|</span><span class="kw">_</span><span class="op">|</span> <span class="ident">UrlencodedError</span>::<span class="ident">Parse</span>)
}
});
<span class="self">self</span>.<span class="ident">fut</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">fut</span>));
<span class="self">self</span>.<span class="ident">poll</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">encoding</span>::<span class="ident">all</span>::<span class="ident">ISO_8859_2</span>;
<span class="kw">use</span> <span class="ident">encoding</span>::<span class="ident">Encoding</span>;
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">Async</span>;
<span class="kw">use</span> <span class="ident">mime</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_content_type</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="string">&quot;content-type&quot;</span>, <span class="string">&quot;text/plain&quot;</span>).<span class="ident">finish</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">req</span>.<span class="ident">content_type</span>(), <span class="string">&quot;text/plain&quot;</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="string">&quot;content-type&quot;</span>, <span class="string">&quot;application/json; charset=utf=8&quot;</span>)
.<span class="ident">finish</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">req</span>.<span class="ident">content_type</span>(), <span class="string">&quot;application/json&quot;</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="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">req</span>.<span class="ident">content_type</span>(), <span class="string">&quot;&quot;</span>);
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_mime_type</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="string">&quot;content-type&quot;</span>, <span class="string">&quot;application/json&quot;</span>).<span class="ident">finish</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">req</span>.<span class="ident">mime_type</span>().<span class="ident">unwrap</span>(), <span class="prelude-val">Some</span>(<span class="ident">mime</span>::<span class="ident">APPLICATION_JSON</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="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">req</span>.<span class="ident">mime_type</span>().<span class="ident">unwrap</span>(), <span class="prelude-val">None</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="string">&quot;content-type&quot;</span>, <span class="string">&quot;application/json; charset=utf-8&quot;</span>)
.<span class="ident">finish</span>();
<span class="kw">let</span> <span class="ident">mt</span> <span class="op">=</span> <span class="ident">req</span>.<span class="ident">mime_type</span>().<span class="ident">unwrap</span>().<span class="ident">unwrap</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">mt</span>.<span class="ident">get_param</span>(<span class="ident">mime</span>::<span class="ident">CHARSET</span>), <span class="prelude-val">Some</span>(<span class="ident">mime</span>::<span class="ident">UTF_8</span>));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">mt</span>.<span class="ident">type_</span>(), <span class="ident">mime</span>::<span class="ident">APPLICATION</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">mt</span>.<span class="ident">subtype</span>(), <span class="ident">mime</span>::<span class="ident">JSON</span>);
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_mime_type_error</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="string">&quot;content-type&quot;</span>,
<span class="string">&quot;applicationadfadsfasdflknadsfklnadsfjson&quot;</span>,
).<span class="ident">finish</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">Err</span>(<span class="ident">ContentTypeError</span>::<span class="ident">ParseError</span>), <span class="ident">req</span>.<span class="ident">mime_type</span>());
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_encoding</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="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">UTF_8</span>.<span class="ident">name</span>(), <span class="ident">req</span>.<span class="ident">encoding</span>().<span class="ident">unwrap</span>().<span class="ident">name</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="string">&quot;content-type&quot;</span>, <span class="string">&quot;application/json&quot;</span>).<span class="ident">finish</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">UTF_8</span>.<span class="ident">name</span>(), <span class="ident">req</span>.<span class="ident">encoding</span>().<span class="ident">unwrap</span>().<span class="ident">name</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="string">&quot;content-type&quot;</span>,
<span class="string">&quot;application/json; charset=ISO-8859-2&quot;</span>,
).<span class="ident">finish</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">ISO_8859_2</span>.<span class="ident">name</span>(), <span class="ident">req</span>.<span class="ident">encoding</span>().<span class="ident">unwrap</span>().<span class="ident">name</span>());
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_encoding_error</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="string">&quot;content-type&quot;</span>, <span class="string">&quot;applicatjson&quot;</span>).<span class="ident">finish</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">Some</span>(<span class="ident">ContentTypeError</span>::<span class="ident">ParseError</span>), <span class="ident">req</span>.<span class="ident">encoding</span>().<span class="ident">err</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="string">&quot;content-type&quot;</span>,
<span class="string">&quot;application/json; charset=kkkttktk&quot;</span>,
).<span class="ident">finish</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(
<span class="prelude-val">Some</span>(<span class="ident">ContentTypeError</span>::<span class="ident">UnknownEncoding</span>),
<span class="ident">req</span>.<span class="ident">encoding</span>().<span class="ident">err</span>()
);
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_chunked</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="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">req</span>.<span class="ident">chunked</span>().<span class="ident">unwrap</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="string">&quot;chunked&quot;</span>).<span class="ident">finish</span>();
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">req</span>.<span class="ident">chunked</span>().<span class="ident">unwrap</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">TRANSFER_ENCODING</span>,
<span class="ident">Bytes</span>::<span class="ident">from_static</span>(<span class="string">b&quot;some va\xadscc\xacas0xsdasdlue&quot;</span>),
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).<span class="ident">finish</span>();
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<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">req</span>.<span class="ident">chunked</span>().<span class="ident">is_err</span>());
}
<span class="kw">impl</span> <span class="ident">PartialEq</span> <span class="kw">for</span> <span class="ident">UrlencodedError</span> {
<span class="kw">fn</span> <span class="ident">eq</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, <span class="ident">other</span>: <span class="kw-2">&amp;</span><span class="ident">UrlencodedError</span>) <span class="op">-&gt;</span> <span class="ident">bool</span> {
<span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span> {
<span class="ident">UrlencodedError</span>::<span class="ident">Chunked</span> <span class="op">=&gt;</span> <span class="kw">match</span> <span class="kw-2">*</span><span class="ident">other</span> {
<span class="ident">UrlencodedError</span>::<span class="ident">Chunked</span> <span class="op">=&gt;</span> <span class="bool-val">true</span>,
<span class="kw">_</span> <span class="op">=&gt;</span> <span class="bool-val">false</span>,
},
<span class="ident">UrlencodedError</span>::<span class="ident">Overflow</span> <span class="op">=&gt;</span> <span class="kw">match</span> <span class="kw-2">*</span><span class="ident">other</span> {
<span class="ident">UrlencodedError</span>::<span class="ident">Overflow</span> <span class="op">=&gt;</span> <span class="bool-val">true</span>,
<span class="kw">_</span> <span class="op">=&gt;</span> <span class="bool-val">false</span>,
},
<span class="ident">UrlencodedError</span>::<span class="ident">UnknownLength</span> <span class="op">=&gt;</span> <span class="kw">match</span> <span class="kw-2">*</span><span class="ident">other</span> {
<span class="ident">UrlencodedError</span>::<span class="ident">UnknownLength</span> <span class="op">=&gt;</span> <span class="bool-val">true</span>,
<span class="kw">_</span> <span class="op">=&gt;</span> <span class="bool-val">false</span>,
},
<span class="ident">UrlencodedError</span>::<span class="ident">ContentType</span> <span class="op">=&gt;</span> <span class="kw">match</span> <span class="kw-2">*</span><span class="ident">other</span> {
<span class="ident">UrlencodedError</span>::<span class="ident">ContentType</span> <span class="op">=&gt;</span> <span class="bool-val">true</span>,
<span class="kw">_</span> <span class="op">=&gt;</span> <span class="bool-val">false</span>,
},
<span class="kw">_</span> <span class="op">=&gt;</span> <span class="bool-val">false</span>,
}
}
}
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Deserialize</span>, <span class="ident">Debug</span>, <span class="ident">PartialEq</span>)]</span>
<span class="kw">struct</span> <span class="ident">Info</span> {
<span class="ident">hello</span>: <span class="ident">String</span>,
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_urlencoded_error</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">CONTENT_TYPE</span>,
<span class="string">&quot;application/x-www-form-urlencoded&quot;</span>,
).<span class="ident">header</span>(<span class="ident">header</span>::<span class="ident">CONTENT_LENGTH</span>, <span class="string">&quot;xxxx&quot;</span>)
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.<span class="ident">finish</span>();
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<span class="macro">assert_eq</span><span class="macro">!</span>(
<span class="ident">req</span>.<span class="ident">urlencoded</span>::<span class="op">&lt;</span><span class="ident">Info</span><span class="op">&gt;</span>().<span class="ident">poll</span>().<span class="ident">err</span>().<span class="ident">unwrap</span>(),
<span class="ident">UrlencodedError</span>::<span class="ident">UnknownLength</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">CONTENT_TYPE</span>,
<span class="string">&quot;application/x-www-form-urlencoded&quot;</span>,
).<span class="ident">header</span>(<span class="ident">header</span>::<span class="ident">CONTENT_LENGTH</span>, <span class="string">&quot;1000000&quot;</span>)
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.<span class="ident">finish</span>();
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<span class="macro">assert_eq</span><span class="macro">!</span>(
<span class="ident">req</span>.<span class="ident">urlencoded</span>::<span class="op">&lt;</span><span class="ident">Info</span><span class="op">&gt;</span>().<span class="ident">poll</span>().<span class="ident">err</span>().<span class="ident">unwrap</span>(),
<span class="ident">UrlencodedError</span>::<span class="ident">Overflow</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">CONTENT_TYPE</span>, <span class="string">&quot;text/plain&quot;</span>)
.<span class="ident">header</span>(<span class="ident">header</span>::<span class="ident">CONTENT_LENGTH</span>, <span class="string">&quot;10&quot;</span>)
.<span class="ident">finish</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(
<span class="ident">req</span>.<span class="ident">urlencoded</span>::<span class="op">&lt;</span><span class="ident">Info</span><span class="op">&gt;</span>().<span class="ident">poll</span>().<span class="ident">err</span>().<span class="ident">unwrap</span>(),
<span class="ident">UrlencodedError</span>::<span class="ident">ContentType</span>
);
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_urlencoded</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">CONTENT_TYPE</span>,
<span class="string">&quot;application/x-www-form-urlencoded&quot;</span>,
).<span class="ident">header</span>(<span class="ident">header</span>::<span class="ident">CONTENT_LENGTH</span>, <span class="string">&quot;11&quot;</span>)
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.<span class="ident">set_payload</span>(<span class="ident">Bytes</span>::<span class="ident">from_static</span>(<span class="string">b&quot;hello=world&quot;</span>))
.<span class="ident">finish</span>();
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<span class="kw">let</span> <span class="ident">result</span> <span class="op">=</span> <span class="ident">req</span>.<span class="ident">urlencoded</span>::<span class="op">&lt;</span><span class="ident">Info</span><span class="op">&gt;</span>().<span class="ident">poll</span>().<span class="ident">ok</span>().<span class="ident">unwrap</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(
<span class="ident">result</span>,
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="ident">Info</span> {
<span class="ident">hello</span>: <span class="string">&quot;world&quot;</span>.<span class="ident">to_owned</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">CONTENT_TYPE</span>,
<span class="string">&quot;application/x-www-form-urlencoded; charset=utf-8&quot;</span>,
).<span class="ident">header</span>(<span class="ident">header</span>::<span class="ident">CONTENT_LENGTH</span>, <span class="string">&quot;11&quot;</span>)
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.<span class="ident">set_payload</span>(<span class="ident">Bytes</span>::<span class="ident">from_static</span>(<span class="string">b&quot;hello=world&quot;</span>))
.<span class="ident">finish</span>();
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<span class="kw">let</span> <span class="ident">result</span> <span class="op">=</span> <span class="ident">req</span>.<span class="ident">urlencoded</span>().<span class="ident">poll</span>().<span class="ident">ok</span>().<span class="ident">unwrap</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(
<span class="ident">result</span>,
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="ident">Info</span> {
<span class="ident">hello</span>: <span class="string">&quot;world&quot;</span>.<span class="ident">to_owned</span>()
})
);
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_message_body</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">CONTENT_LENGTH</span>, <span class="string">&quot;xxxx&quot;</span>).<span class="ident">finish</span>();
<span class="kw">match</span> <span class="ident">req</span>.<span class="ident">body</span>().<span class="ident">poll</span>().<span class="ident">err</span>().<span class="ident">unwrap</span>() {
<span class="ident">PayloadError</span>::<span class="ident">UnknownLength</span> <span class="op">=&gt;</span> (),
<span class="kw">_</span> <span class="op">=&gt;</span> <span class="macro">unreachable</span><span class="macro">!</span>(<span class="string">&quot;error&quot;</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">CONTENT_LENGTH</span>, <span class="string">&quot;1000000&quot;</span>).<span class="ident">finish</span>();
<span class="kw">match</span> <span class="ident">req</span>.<span class="ident">body</span>().<span class="ident">poll</span>().<span class="ident">err</span>().<span class="ident">unwrap</span>() {
<span class="ident">PayloadError</span>::<span class="ident">Overflow</span> <span class="op">=&gt;</span> (),
<span class="kw">_</span> <span class="op">=&gt;</span> <span class="macro">unreachable</span><span class="macro">!</span>(<span class="string">&quot;error&quot;</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">set_payload</span>(<span class="ident">Bytes</span>::<span class="ident">from_static</span>(<span class="string">b&quot;test&quot;</span>))
.<span class="ident">finish</span>();
<span class="kw">match</span> <span class="ident">req</span>.<span class="ident">body</span>().<span class="ident">poll</span>().<span class="ident">ok</span>().<span class="ident">unwrap</span>() {
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="ident">bytes</span>) <span class="op">=&gt;</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">bytes</span>, <span class="ident">Bytes</span>::<span class="ident">from_static</span>(<span class="string">b&quot;test&quot;</span>)),
<span class="kw">_</span> <span class="op">=&gt;</span> <span class="macro">unreachable</span><span class="macro">!</span>(<span class="string">&quot;error&quot;</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">set_payload</span>(<span class="ident">Bytes</span>::<span class="ident">from_static</span>(<span class="string">b&quot;11111111111111&quot;</span>))
.<span class="ident">finish</span>();
<span class="kw">match</span> <span class="ident">req</span>.<span class="ident">body</span>().<span class="ident">limit</span>(<span class="number">5</span>).<span class="ident">poll</span>().<span class="ident">err</span>().<span class="ident">unwrap</span>() {
<span class="ident">PayloadError</span>::<span class="ident">Overflow</span> <span class="op">=&gt;</span> (),
<span class="kw">_</span> <span class="op">=&gt;</span> <span class="macro">unreachable</span><span class="macro">!</span>(<span class="string">&quot;error&quot;</span>),
}
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_readlines</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">set_payload</span>(<span class="ident">Bytes</span>::<span class="ident">from_static</span>(
<span class="string">b&quot;Lorem Ipsum is simply dummy text of the printing and typesetting\n\
industry. Lorem Ipsum has been the industry&#39;s standard dummy\n\
Contrary to popular belief, Lorem Ipsum is not simply random text.&quot;</span>,
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)).<span class="ident">finish</span>();
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">Readlines</span>::<span class="ident">new</span>(<span class="kw-2">&amp;</span><span class="ident">req</span>);
<span class="kw">match</span> <span class="ident">r</span>.<span class="ident">poll</span>().<span class="ident">ok</span>().<span class="ident">unwrap</span>() {
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">Some</span>(<span class="ident">s</span>)) <span class="op">=&gt;</span> <span class="macro">assert_eq</span><span class="macro">!</span>(
<span class="ident">s</span>,
<span class="string">&quot;Lorem Ipsum is simply dummy text of the printing and typesetting\n&quot;</span>
),
<span class="kw">_</span> <span class="op">=&gt;</span> <span class="macro">unreachable</span><span class="macro">!</span>(<span class="string">&quot;error&quot;</span>),
}
<span class="kw">match</span> <span class="ident">r</span>.<span class="ident">poll</span>().<span class="ident">ok</span>().<span class="ident">unwrap</span>() {
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">Some</span>(<span class="ident">s</span>)) <span class="op">=&gt;</span> <span class="macro">assert_eq</span><span class="macro">!</span>(
<span class="ident">s</span>,
<span class="string">&quot;industry. Lorem Ipsum has been the industry&#39;s standard dummy\n&quot;</span>
),
<span class="kw">_</span> <span class="op">=&gt;</span> <span class="macro">unreachable</span><span class="macro">!</span>(<span class="string">&quot;error&quot;</span>),
}
<span class="kw">match</span> <span class="ident">r</span>.<span class="ident">poll</span>().<span class="ident">ok</span>().<span class="ident">unwrap</span>() {
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">Some</span>(<span class="ident">s</span>)) <span class="op">=&gt;</span> <span class="macro">assert_eq</span><span class="macro">!</span>(
<span class="ident">s</span>,
<span class="string">&quot;Contrary to popular belief, Lorem Ipsum is not simply random text.&quot;</span>
),
<span class="kw">_</span> <span class="op">=&gt;</span> <span class="macro">unreachable</span><span class="macro">!</span>(<span class="string">&quot;error&quot;</span>),
}
}
}
</pre>
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