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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/multipart.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>multipart.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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|
||
<span id="815">815</span>
|
||
</pre><pre class="rust ">
|
||
<span class="doccomment">//! Multipart requests support</span>
|
||
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">cell</span>::{<span class="ident">RefCell</span>, <span class="ident">UnsafeCell</span>};
|
||
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">marker</span>::<span class="ident">PhantomData</span>;
|
||
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">rc</span>::<span class="ident">Rc</span>;
|
||
<span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">cmp</span>, <span class="ident">fmt</span>};
|
||
|
||
<span class="kw">use</span> <span class="ident">bytes</span>::<span class="ident">Bytes</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">task</span>::{<span class="ident">current</span> <span class="kw">as</span> <span class="ident">current_task</span>, <span class="ident">Task</span>};
|
||
<span class="kw">use</span> <span class="ident">futures</span>::{<span class="ident">Async</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="self">self</span>, <span class="ident">ContentDisposition</span>, <span class="ident">HeaderMap</span>, <span class="ident">HeaderName</span>, <span class="ident">HeaderValue</span>};
|
||
<span class="kw">use</span> <span class="ident">http</span>::<span class="ident">HttpTryFrom</span>;
|
||
<span class="kw">use</span> <span class="ident">httparse</span>;
|
||
<span class="kw">use</span> <span class="ident">mime</span>;
|
||
|
||
<span class="kw">use</span> <span class="ident">error</span>::{<span class="ident">MultipartError</span>, <span class="ident">ParseError</span>, <span class="ident">PayloadError</span>};
|
||
<span class="kw">use</span> <span class="ident">payload</span>::<span class="ident">PayloadBuffer</span>;
|
||
|
||
<span class="kw">const</span> <span class="ident">MAX_HEADERS</span>: <span class="ident">usize</span> <span class="op">=</span> <span class="number">32</span>;
|
||
|
||
<span class="doccomment">/// The server-side implementation of `multipart/form-data` requests.</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// This will parse the incoming stream into `MultipartItem` instances via its</span>
|
||
<span class="doccomment">/// Stream implementation.</span>
|
||
<span class="doccomment">/// `MultipartItem::Field` contains multipart field. `MultipartItem::Multipart`</span>
|
||
<span class="doccomment">/// is used for nested multipart streams.</span>
|
||
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Multipart</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">safety</span>: <span class="ident">Safety</span>,
|
||
<span class="ident">error</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">MultipartError</span><span class="op">></span>,
|
||
<span class="ident">inner</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Rc</span><span class="op"><</span><span class="ident">RefCell</span><span class="op"><</span><span class="ident">InnerMultipart</span><span class="op"><</span><span class="ident">S</span><span class="op">>></span><span class="op">>></span>,
|
||
}
|
||
|
||
<span class="doccomment">///</span>
|
||
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">MultipartItem</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="doccomment">/// Multipart field</span>
|
||
<span class="ident">Field</span>(<span class="ident">Field</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>),
|
||
<span class="doccomment">/// Nested multipart stream</span>
|
||
<span class="ident">Nested</span>(<span class="ident">Multipart</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>),
|
||
}
|
||
|
||
<span class="kw">enum</span> <span class="ident">InnerMultipartItem</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="prelude-val">None</span>,
|
||
<span class="ident">Field</span>(<span class="ident">Rc</span><span class="op"><</span><span class="ident">RefCell</span><span class="op"><</span><span class="ident">InnerField</span><span class="op"><</span><span class="ident">S</span><span class="op">>></span><span class="op">></span>),
|
||
<span class="ident">Multipart</span>(<span class="ident">Rc</span><span class="op"><</span><span class="ident">RefCell</span><span class="op"><</span><span class="ident">InnerMultipart</span><span class="op"><</span><span class="ident">S</span><span class="op">>></span><span class="op">></span>),
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">PartialEq</span>, <span class="ident">Debug</span>)]</span>
|
||
<span class="kw">enum</span> <span class="ident">InnerState</span> {
|
||
<span class="doccomment">/// Stream eof</span>
|
||
<span class="ident">Eof</span>,
|
||
<span class="doccomment">/// Skip data until first boundary</span>
|
||
<span class="ident">FirstBoundary</span>,
|
||
<span class="doccomment">/// Reading boundary</span>
|
||
<span class="ident">Boundary</span>,
|
||
<span class="doccomment">/// Reading Headers,</span>
|
||
<span class="ident">Headers</span>,
|
||
}
|
||
|
||
<span class="kw">struct</span> <span class="ident">InnerMultipart</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">payload</span>: <span class="ident">PayloadRef</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>,
|
||
<span class="ident">boundary</span>: <span class="ident">String</span>,
|
||
<span class="ident">state</span>: <span class="ident">InnerState</span>,
|
||
<span class="ident">item</span>: <span class="ident">InnerMultipartItem</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>,
|
||
}
|
||
|
||
<span class="kw">impl</span> <span class="ident">Multipart</span><span class="op"><</span>()<span class="op">></span> {
|
||
<span class="doccomment">/// Extract boundary info from headers.</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">boundary</span>(<span class="ident">headers</span>: <span class="kw-2">&</span><span class="ident">HeaderMap</span>) <span class="op">-></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">String</span>, <span class="ident">MultipartError</span><span class="op">></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="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">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">ct</span>) <span class="op">=</span> <span class="ident">content_type</span>.<span class="ident">parse</span>::<span class="op"><</span><span class="ident">mime</span>::<span class="ident">Mime</span><span class="op">></span>() {
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">boundary</span>) <span class="op">=</span> <span class="ident">ct</span>.<span class="ident">get_param</span>(<span class="ident">mime</span>::<span class="ident">BOUNDARY</span>) {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">boundary</span>.<span class="ident">as_str</span>().<span class="ident">to_owned</span>())
|
||
} <span class="kw">else</span> {
|
||
<span class="prelude-val">Err</span>(<span class="ident">MultipartError</span>::<span class="ident">Boundary</span>)
|
||
}
|
||
} <span class="kw">else</span> {
|
||
<span class="prelude-val">Err</span>(<span class="ident">MultipartError</span>::<span class="ident">ParseContentType</span>)
|
||
}
|
||
} <span class="kw">else</span> {
|
||
<span class="prelude-val">Err</span>(<span class="ident">MultipartError</span>::<span class="ident">ParseContentType</span>)
|
||
}
|
||
} <span class="kw">else</span> {
|
||
<span class="prelude-val">Err</span>(<span class="ident">MultipartError</span>::<span class="ident">NoContentType</span>)
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="ident">Multipart</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">S</span>: <span class="ident">Stream</span><span class="op"><</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">></span>,
|
||
{
|
||
<span class="doccomment">/// Create multipart instance for boundary.</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">boundary</span>: <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">String</span>, <span class="ident">MultipartError</span><span class="op">></span>, <span class="ident">stream</span>: <span class="ident">S</span>) <span class="op">-></span> <span class="ident">Multipart</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">match</span> <span class="ident">boundary</span> {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">boundary</span>) <span class="op">=></span> <span class="ident">Multipart</span> {
|
||
<span class="ident">error</span>: <span class="prelude-val">None</span>,
|
||
<span class="ident">safety</span>: <span class="ident">Safety</span>::<span class="ident">new</span>(),
|
||
<span class="ident">inner</span>: <span class="prelude-val">Some</span>(<span class="ident">Rc</span>::<span class="ident">new</span>(<span class="ident">RefCell</span>::<span class="ident">new</span>(<span class="ident">InnerMultipart</span> {
|
||
<span class="ident">boundary</span>,
|
||
<span class="ident">payload</span>: <span class="ident">PayloadRef</span>::<span class="ident">new</span>(<span class="ident">PayloadBuffer</span>::<span class="ident">new</span>(<span class="ident">stream</span>)),
|
||
<span class="ident">state</span>: <span class="ident">InnerState</span>::<span class="ident">FirstBoundary</span>,
|
||
<span class="ident">item</span>: <span class="ident">InnerMultipartItem</span>::<span class="prelude-val">None</span>,
|
||
}))),
|
||
},
|
||
<span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=></span> <span class="ident">Multipart</span> {
|
||
<span class="ident">error</span>: <span class="prelude-val">Some</span>(<span class="ident">err</span>),
|
||
<span class="ident">safety</span>: <span class="ident">Safety</span>::<span class="ident">new</span>(),
|
||
<span class="ident">inner</span>: <span class="prelude-val">None</span>,
|
||
},
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="ident">Stream</span> <span class="kw">for</span> <span class="ident">Multipart</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">S</span>: <span class="ident">Stream</span><span class="op"><</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">></span>,
|
||
{
|
||
<span class="kw">type</span> <span class="ident">Item</span> <span class="op">=</span> <span class="ident">MultipartItem</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>;
|
||
<span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">MultipartError</span>;
|
||
|
||
<span class="kw">fn</span> <span class="ident">poll</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-></span> <span class="ident">Poll</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="self">Self</span>::<span class="ident">Item</span><span class="op">></span>, <span class="self">Self</span>::<span class="ident">Error</span><span class="op">></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">error</span>.<span class="ident">take</span>() {
|
||
<span class="prelude-val">Err</span>(<span class="ident">err</span>)
|
||
} <span class="kw">else</span> <span class="kw">if</span> <span class="self">self</span>.<span class="ident">safety</span>.<span class="ident">current</span>() {
|
||
<span class="self">self</span>.<span class="ident">inner</span>.<span class="ident">as_mut</span>().<span class="ident">unwrap</span>().<span class="ident">borrow_mut</span>().<span class="ident">poll</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">safety</span>)
|
||
} <span class="kw">else</span> {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>)
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="ident">InnerMultipart</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">S</span>: <span class="ident">Stream</span><span class="op"><</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">></span>,
|
||
{
|
||
<span class="kw">fn</span> <span class="ident">read_headers</span>(<span class="ident">payload</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">PayloadBuffer</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>) <span class="op">-></span> <span class="ident">Poll</span><span class="op"><</span><span class="ident">HeaderMap</span>, <span class="ident">MultipartError</span><span class="op">></span> {
|
||
<span class="kw">match</span> <span class="ident">payload</span>.<span class="ident">read_until</span>(<span class="string">b"\r\n\r\n"</span>)<span class="question-mark">?</span> {
|
||
<span class="ident">Async</span>::<span class="ident">NotReady</span> <span class="op">=></span> <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>),
|
||
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">None</span>) <span class="op">=></span> <span class="prelude-val">Err</span>(<span class="ident">MultipartError</span>::<span class="ident">Incomplete</span>),
|
||
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">Some</span>(<span class="ident">bytes</span>)) <span class="op">=></span> {
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">hdrs</span> <span class="op">=</span> [<span class="ident">httparse</span>::<span class="ident">EMPTY_HEADER</span>; <span class="ident">MAX_HEADERS</span>];
|
||
<span class="kw">match</span> <span class="ident">httparse</span>::<span class="ident">parse_headers</span>(<span class="kw-2">&</span><span class="ident">bytes</span>, <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">hdrs</span>) {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">httparse</span>::<span class="ident">Status</span>::<span class="ident">Complete</span>((<span class="kw">_</span>, <span class="ident">hdrs</span>))) <span class="op">=></span> {
|
||
<span class="comment">// convert headers</span>
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">headers</span> <span class="op">=</span> <span class="ident">HeaderMap</span>::<span class="ident">with_capacity</span>(<span class="ident">hdrs</span>.<span class="ident">len</span>());
|
||
<span class="kw">for</span> <span class="ident">h</span> <span class="kw">in</span> <span class="ident">hdrs</span> {
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">name</span>) <span class="op">=</span> <span class="ident">HeaderName</span>::<span class="ident">try_from</span>(<span class="ident">h</span>.<span class="ident">name</span>) {
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">value</span>) <span class="op">=</span> <span class="ident">HeaderValue</span>::<span class="ident">try_from</span>(<span class="ident">h</span>.<span class="ident">value</span>) {
|
||
<span class="ident">headers</span>.<span class="ident">append</span>(<span class="ident">name</span>, <span class="ident">value</span>);
|
||
} <span class="kw">else</span> {
|
||
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">ParseError</span>::<span class="ident">Header</span>.<span class="ident">into</span>());
|
||
}
|
||
} <span class="kw">else</span> {
|
||
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">ParseError</span>::<span class="ident">Header</span>.<span class="ident">into</span>());
|
||
}
|
||
}
|
||
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="ident">headers</span>))
|
||
}
|
||
<span class="prelude-val">Ok</span>(<span class="ident">httparse</span>::<span class="ident">Status</span>::<span class="ident">Partial</span>) <span class="op">=></span> <span class="prelude-val">Err</span>(<span class="ident">ParseError</span>::<span class="ident">Header</span>.<span class="ident">into</span>()),
|
||
<span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=></span> <span class="prelude-val">Err</span>(<span class="ident">ParseError</span>::<span class="ident">from</span>(<span class="ident">err</span>).<span class="ident">into</span>()),
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">fn</span> <span class="ident">read_boundary</span>(
|
||
<span class="ident">payload</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">PayloadBuffer</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="ident">boundary</span>: <span class="kw-2">&</span><span class="ident">str</span>,
|
||
) <span class="op">-></span> <span class="ident">Poll</span><span class="op"><</span><span class="ident">bool</span>, <span class="ident">MultipartError</span><span class="op">></span> {
|
||
<span class="comment">// TODO: need to read epilogue</span>
|
||
<span class="kw">match</span> <span class="ident">payload</span>.<span class="ident">readline</span>()<span class="question-mark">?</span> {
|
||
<span class="ident">Async</span>::<span class="ident">NotReady</span> <span class="op">=></span> <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>),
|
||
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">None</span>) <span class="op">=></span> <span class="prelude-val">Err</span>(<span class="ident">MultipartError</span>::<span class="ident">Incomplete</span>),
|
||
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">Some</span>(<span class="ident">chunk</span>)) <span class="op">=></span> {
|
||
<span class="kw">if</span> <span class="ident">chunk</span>.<span class="ident">len</span>() <span class="op">==</span> <span class="ident">boundary</span>.<span class="ident">len</span>() <span class="op">+</span> <span class="number">4</span>
|
||
<span class="op">&&</span> <span class="kw-2">&</span><span class="ident">chunk</span>[..<span class="number">2</span>] <span class="op">==</span> <span class="string">b"--"</span>
|
||
<span class="op">&&</span> <span class="kw-2">&</span><span class="ident">chunk</span>[<span class="number">2</span>..<span class="ident">boundary</span>.<span class="ident">len</span>() <span class="op">+</span> <span class="number">2</span>] <span class="op">==</span> <span class="ident">boundary</span>.<span class="ident">as_bytes</span>()
|
||
{
|
||
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="bool-val">false</span>))
|
||
} <span class="kw">else</span> <span class="kw">if</span> <span class="ident">chunk</span>.<span class="ident">len</span>() <span class="op">==</span> <span class="ident">boundary</span>.<span class="ident">len</span>() <span class="op">+</span> <span class="number">6</span>
|
||
<span class="op">&&</span> <span class="kw-2">&</span><span class="ident">chunk</span>[..<span class="number">2</span>] <span class="op">==</span> <span class="string">b"--"</span>
|
||
<span class="op">&&</span> <span class="kw-2">&</span><span class="ident">chunk</span>[<span class="number">2</span>..<span class="ident">boundary</span>.<span class="ident">len</span>() <span class="op">+</span> <span class="number">2</span>] <span class="op">==</span> <span class="ident">boundary</span>.<span class="ident">as_bytes</span>()
|
||
<span class="op">&&</span> <span class="kw-2">&</span><span class="ident">chunk</span>[<span class="ident">boundary</span>.<span class="ident">len</span>() <span class="op">+</span> <span class="number">2</span>..<span class="ident">boundary</span>.<span class="ident">len</span>() <span class="op">+</span> <span class="number">4</span>] <span class="op">==</span> <span class="string">b"--"</span>
|
||
{
|
||
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="bool-val">true</span>))
|
||
} <span class="kw">else</span> {
|
||
<span class="prelude-val">Err</span>(<span class="ident">MultipartError</span>::<span class="ident">Boundary</span>)
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">fn</span> <span class="ident">skip_until_boundary</span>(
|
||
<span class="ident">payload</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">PayloadBuffer</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="ident">boundary</span>: <span class="kw-2">&</span><span class="ident">str</span>,
|
||
) <span class="op">-></span> <span class="ident">Poll</span><span class="op"><</span><span class="ident">bool</span>, <span class="ident">MultipartError</span><span class="op">></span> {
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">eof</span> <span class="op">=</span> <span class="bool-val">false</span>;
|
||
<span class="kw">loop</span> {
|
||
<span class="kw">match</span> <span class="ident">payload</span>.<span class="ident">readline</span>()<span class="question-mark">?</span> {
|
||
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">Some</span>(<span class="ident">chunk</span>)) <span class="op">=></span> {
|
||
<span class="kw">if</span> <span class="ident">chunk</span>.<span class="ident">is_empty</span>() {
|
||
<span class="comment">//ValueError("Could not find starting boundary %r"</span>
|
||
<span class="comment">//% (self._boundary))</span>
|
||
}
|
||
<span class="kw">if</span> <span class="ident">chunk</span>.<span class="ident">len</span>() <span class="op"><</span> <span class="ident">boundary</span>.<span class="ident">len</span>() {
|
||
<span class="kw">continue</span>;
|
||
}
|
||
<span class="kw">if</span> <span class="kw-2">&</span><span class="ident">chunk</span>[..<span class="number">2</span>] <span class="op">==</span> <span class="string">b"--"</span>
|
||
<span class="op">&&</span> <span class="kw-2">&</span><span class="ident">chunk</span>[<span class="number">2</span>..<span class="ident">chunk</span>.<span class="ident">len</span>() <span class="op">-</span> <span class="number">2</span>] <span class="op">==</span> <span class="ident">boundary</span>.<span class="ident">as_bytes</span>()
|
||
{
|
||
<span class="kw">break</span>;
|
||
} <span class="kw">else</span> {
|
||
<span class="kw">if</span> <span class="ident">chunk</span>.<span class="ident">len</span>() <span class="op"><</span> <span class="ident">boundary</span>.<span class="ident">len</span>() <span class="op">+</span> <span class="number">2</span> {
|
||
<span class="kw">continue</span>;
|
||
}
|
||
<span class="kw">let</span> <span class="ident">b</span>: <span class="kw-2">&</span>[<span class="ident">u8</span>] <span class="op">=</span> <span class="ident">boundary</span>.<span class="ident">as_ref</span>();
|
||
<span class="kw">if</span> <span class="kw-2">&</span><span class="ident">chunk</span>[..<span class="ident">boundary</span>.<span class="ident">len</span>()] <span class="op">==</span> <span class="ident">b</span>
|
||
<span class="op">&&</span> <span class="kw-2">&</span><span class="ident">chunk</span>[<span class="ident">boundary</span>.<span class="ident">len</span>()..<span class="ident">boundary</span>.<span class="ident">len</span>() <span class="op">+</span> <span class="number">2</span>] <span class="op">==</span> <span class="string">b"--"</span>
|
||
{
|
||
<span class="ident">eof</span> <span class="op">=</span> <span class="bool-val">true</span>;
|
||
<span class="kw">break</span>;
|
||
}
|
||
}
|
||
}
|
||
<span class="ident">Async</span>::<span class="ident">NotReady</span> <span class="op">=></span> <span class="kw">return</span> <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>),
|
||
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">None</span>) <span class="op">=></span> <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">MultipartError</span>::<span class="ident">Incomplete</span>),
|
||
}
|
||
}
|
||
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="ident">eof</span>))
|
||
}
|
||
|
||
<span class="kw">fn</span> <span class="ident">poll</span>(
|
||
<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">safety</span>: <span class="kw-2">&</span><span class="ident">Safety</span>,
|
||
) <span class="op">-></span> <span class="ident">Poll</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">MultipartItem</span><span class="op"><</span><span class="ident">S</span><span class="op">>></span>, <span class="ident">MultipartError</span><span class="op">></span> {
|
||
<span class="kw">if</span> <span class="self">self</span>.<span class="ident">state</span> <span class="op">==</span> <span class="ident">InnerState</span>::<span class="ident">Eof</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">else</span> {
|
||
<span class="comment">// release field</span>
|
||
<span class="kw">loop</span> {
|
||
<span class="comment">// Nested multipart streams of fields has to be consumed</span>
|
||
<span class="comment">// before switching to next</span>
|
||
<span class="kw">if</span> <span class="ident">safety</span>.<span class="ident">current</span>() {
|
||
<span class="kw">let</span> <span class="ident">stop</span> <span class="op">=</span> <span class="kw">match</span> <span class="self">self</span>.<span class="ident">item</span> {
|
||
<span class="ident">InnerMultipartItem</span>::<span class="ident">Field</span>(<span class="kw-2">ref</span> <span class="kw-2">mut</span> <span class="ident">field</span>) <span class="op">=></span> {
|
||
<span class="kw">match</span> <span class="ident">field</span>.<span class="ident">borrow_mut</span>().<span class="ident">poll</span>(<span class="ident">safety</span>)<span class="question-mark">?</span> {
|
||
<span class="ident">Async</span>::<span class="ident">NotReady</span> <span class="op">=></span> <span class="kw">return</span> <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>),
|
||
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">Some</span>(<span class="kw">_</span>)) <span class="op">=></span> <span class="kw">continue</span>,
|
||
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">None</span>) <span class="op">=></span> <span class="bool-val">true</span>,
|
||
}
|
||
}
|
||
<span class="ident">InnerMultipartItem</span>::<span class="ident">Multipart</span>(<span class="kw-2">ref</span> <span class="kw-2">mut</span> <span class="ident">multipart</span>) <span class="op">=></span> {
|
||
<span class="kw">match</span> <span class="ident">multipart</span>.<span class="ident">borrow_mut</span>().<span class="ident">poll</span>(<span class="ident">safety</span>)<span class="question-mark">?</span> {
|
||
<span class="ident">Async</span>::<span class="ident">NotReady</span> <span class="op">=></span> <span class="kw">return</span> <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>),
|
||
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">Some</span>(<span class="kw">_</span>)) <span class="op">=></span> <span class="kw">continue</span>,
|
||
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">None</span>) <span class="op">=></span> <span class="bool-val">true</span>,
|
||
}
|
||
}
|
||
<span class="kw">_</span> <span class="op">=></span> <span class="bool-val">false</span>,
|
||
};
|
||
<span class="kw">if</span> <span class="ident">stop</span> {
|
||
<span class="self">self</span>.<span class="ident">item</span> <span class="op">=</span> <span class="ident">InnerMultipartItem</span>::<span class="prelude-val">None</span>;
|
||
}
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="ident">InnerMultipartItem</span>::<span class="prelude-val">None</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">item</span> {
|
||
<span class="kw">break</span>;
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">let</span> <span class="ident">headers</span> <span class="op">=</span> <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">payload</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">payload</span>.<span class="ident">get_mut</span>(<span class="ident">safety</span>) {
|
||
<span class="kw">match</span> <span class="self">self</span>.<span class="ident">state</span> {
|
||
<span class="comment">// read until first boundary</span>
|
||
<span class="ident">InnerState</span>::<span class="ident">FirstBoundary</span> <span class="op">=></span> {
|
||
<span class="kw">match</span> <span class="ident">InnerMultipart</span>::<span class="ident">skip_until_boundary</span>(
|
||
<span class="ident">payload</span>,
|
||
<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">boundary</span>,
|
||
)<span class="question-mark">?</span> {
|
||
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="ident">eof</span>) <span class="op">=></span> {
|
||
<span class="kw">if</span> <span class="ident">eof</span> {
|
||
<span class="self">self</span>.<span class="ident">state</span> <span class="op">=</span> <span class="ident">InnerState</span>::<span class="ident">Eof</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">else</span> {
|
||
<span class="self">self</span>.<span class="ident">state</span> <span class="op">=</span> <span class="ident">InnerState</span>::<span class="ident">Headers</span>;
|
||
}
|
||
}
|
||
<span class="ident">Async</span>::<span class="ident">NotReady</span> <span class="op">=></span> <span class="kw">return</span> <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>),
|
||
}
|
||
}
|
||
<span class="comment">// read boundary</span>
|
||
<span class="ident">InnerState</span>::<span class="ident">Boundary</span> <span class="op">=></span> {
|
||
<span class="kw">match</span> <span class="ident">InnerMultipart</span>::<span class="ident">read_boundary</span>(<span class="ident">payload</span>, <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">boundary</span>)<span class="question-mark">?</span> {
|
||
<span class="ident">Async</span>::<span class="ident">NotReady</span> <span class="op">=></span> <span class="kw">return</span> <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>),
|
||
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="ident">eof</span>) <span class="op">=></span> {
|
||
<span class="kw">if</span> <span class="ident">eof</span> {
|
||
<span class="self">self</span>.<span class="ident">state</span> <span class="op">=</span> <span class="ident">InnerState</span>::<span class="ident">Eof</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">else</span> {
|
||
<span class="self">self</span>.<span class="ident">state</span> <span class="op">=</span> <span class="ident">InnerState</span>::<span class="ident">Headers</span>;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
<span class="kw">_</span> <span class="op">=></span> (),
|
||
}
|
||
|
||
<span class="comment">// read field headers for next field</span>
|
||
<span class="kw">if</span> <span class="self">self</span>.<span class="ident">state</span> <span class="op">==</span> <span class="ident">InnerState</span>::<span class="ident">Headers</span> {
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="ident">headers</span>) <span class="op">=</span> <span class="ident">InnerMultipart</span>::<span class="ident">read_headers</span>(<span class="ident">payload</span>)<span class="question-mark">?</span>
|
||
{
|
||
<span class="self">self</span>.<span class="ident">state</span> <span class="op">=</span> <span class="ident">InnerState</span>::<span class="ident">Boundary</span>;
|
||
<span class="ident">headers</span>
|
||
} <span class="kw">else</span> {
|
||
<span class="kw">return</span> <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>);
|
||
}
|
||
} <span class="kw">else</span> {
|
||
<span class="macro">unreachable</span><span class="macro">!</span>()
|
||
}
|
||
} <span class="kw">else</span> {
|
||
<span class="macro">debug</span><span class="macro">!</span>(<span class="string">"NotReady: field is in flight"</span>);
|
||
<span class="kw">return</span> <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>);
|
||
};
|
||
|
||
<span class="comment">// content type</span>
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">mt</span> <span class="op">=</span> <span class="ident">mime</span>::<span class="ident">APPLICATION_OCTET_STREAM</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="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">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">ct</span>) <span class="op">=</span> <span class="ident">content_type</span>.<span class="ident">parse</span>::<span class="op"><</span><span class="ident">mime</span>::<span class="ident">Mime</span><span class="op">></span>() {
|
||
<span class="ident">mt</span> <span class="op">=</span> <span class="ident">ct</span>;
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="self">self</span>.<span class="ident">state</span> <span class="op">=</span> <span class="ident">InnerState</span>::<span class="ident">Boundary</span>;
|
||
|
||
<span class="comment">// nested multipart stream</span>
|
||
<span class="kw">if</span> <span class="ident">mt</span>.<span class="ident">type_</span>() <span class="op">==</span> <span class="ident">mime</span>::<span class="ident">MULTIPART</span> {
|
||
<span class="kw">let</span> <span class="ident">inner</span> <span class="op">=</span> <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">boundary</span>) <span class="op">=</span> <span class="ident">mt</span>.<span class="ident">get_param</span>(<span class="ident">mime</span>::<span class="ident">BOUNDARY</span>) {
|
||
<span class="ident">Rc</span>::<span class="ident">new</span>(<span class="ident">RefCell</span>::<span class="ident">new</span>(<span class="ident">InnerMultipart</span> {
|
||
<span class="ident">payload</span>: <span class="self">self</span>.<span class="ident">payload</span>.<span class="ident">clone</span>(),
|
||
<span class="ident">boundary</span>: <span class="ident">boundary</span>.<span class="ident">as_str</span>().<span class="ident">to_owned</span>(),
|
||
<span class="ident">state</span>: <span class="ident">InnerState</span>::<span class="ident">FirstBoundary</span>,
|
||
<span class="ident">item</span>: <span class="ident">InnerMultipartItem</span>::<span class="prelude-val">None</span>,
|
||
}))
|
||
} <span class="kw">else</span> {
|
||
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">MultipartError</span>::<span class="ident">Boundary</span>);
|
||
};
|
||
|
||
<span class="self">self</span>.<span class="ident">item</span> <span class="op">=</span> <span class="ident">InnerMultipartItem</span>::<span class="ident">Multipart</span>(<span class="ident">Rc</span>::<span class="ident">clone</span>(<span class="kw-2">&</span><span class="ident">inner</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">MultipartItem</span>::<span class="ident">Nested</span>(<span class="ident">Multipart</span> {
|
||
<span class="ident">safety</span>: <span class="ident">safety</span>.<span class="ident">clone</span>(),
|
||
<span class="ident">error</span>: <span class="prelude-val">None</span>,
|
||
<span class="ident">inner</span>: <span class="prelude-val">Some</span>(<span class="ident">inner</span>),
|
||
}))))
|
||
} <span class="kw">else</span> {
|
||
<span class="kw">let</span> <span class="ident">field</span> <span class="op">=</span> <span class="ident">Rc</span>::<span class="ident">new</span>(<span class="ident">RefCell</span>::<span class="ident">new</span>(<span class="ident">InnerField</span>::<span class="ident">new</span>(
|
||
<span class="self">self</span>.<span class="ident">payload</span>.<span class="ident">clone</span>(),
|
||
<span class="self">self</span>.<span class="ident">boundary</span>.<span class="ident">clone</span>(),
|
||
<span class="kw-2">&</span><span class="ident">headers</span>,
|
||
)<span class="question-mark">?</span>));
|
||
<span class="self">self</span>.<span class="ident">item</span> <span class="op">=</span> <span class="ident">InnerMultipartItem</span>::<span class="ident">Field</span>(<span class="ident">Rc</span>::<span class="ident">clone</span>(<span class="kw-2">&</span><span class="ident">field</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">MultipartItem</span>::<span class="ident">Field</span>(<span class="ident">Field</span>::<span class="ident">new</span>(
|
||
<span class="ident">safety</span>.<span class="ident">clone</span>(),
|
||
<span class="ident">headers</span>,
|
||
<span class="ident">mt</span>,
|
||
<span class="ident">field</span>,
|
||
)))))
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="ident">Drop</span> <span class="kw">for</span> <span class="ident">InnerMultipart</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">fn</span> <span class="ident">drop</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) {
|
||
<span class="comment">// InnerMultipartItem::Field has to be dropped first because of Safety.</span>
|
||
<span class="self">self</span>.<span class="ident">item</span> <span class="op">=</span> <span class="ident">InnerMultipartItem</span>::<span class="prelude-val">None</span>;
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// A single field in a multipart stream</span>
|
||
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Field</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">ct</span>: <span class="ident">mime</span>::<span class="ident">Mime</span>,
|
||
<span class="ident">headers</span>: <span class="ident">HeaderMap</span>,
|
||
<span class="ident">inner</span>: <span class="ident">Rc</span><span class="op"><</span><span class="ident">RefCell</span><span class="op"><</span><span class="ident">InnerField</span><span class="op"><</span><span class="ident">S</span><span class="op">>></span><span class="op">></span>,
|
||
<span class="ident">safety</span>: <span class="ident">Safety</span>,
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="ident">Field</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">S</span>: <span class="ident">Stream</span><span class="op"><</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">></span>,
|
||
{
|
||
<span class="kw">fn</span> <span class="ident">new</span>(
|
||
<span class="ident">safety</span>: <span class="ident">Safety</span>, <span class="ident">headers</span>: <span class="ident">HeaderMap</span>, <span class="ident">ct</span>: <span class="ident">mime</span>::<span class="ident">Mime</span>,
|
||
<span class="ident">inner</span>: <span class="ident">Rc</span><span class="op"><</span><span class="ident">RefCell</span><span class="op"><</span><span class="ident">InnerField</span><span class="op"><</span><span class="ident">S</span><span class="op">>></span><span class="op">></span>,
|
||
) <span class="op">-></span> <span class="self">Self</span> {
|
||
<span class="ident">Field</span> {
|
||
<span class="ident">ct</span>,
|
||
<span class="ident">headers</span>,
|
||
<span class="ident">inner</span>,
|
||
<span class="ident">safety</span>,
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// Get a map of headers</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">headers</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">HeaderMap</span> {
|
||
<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">headers</span>
|
||
}
|
||
|
||
<span class="doccomment">/// Get the content type of the field</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">content_type</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">mime</span>::<span class="ident">Mime</span> {
|
||
<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">ct</span>
|
||
}
|
||
|
||
<span class="doccomment">/// Get the content disposition of the field, if it exists</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">content_disposition</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">ContentDisposition</span><span class="op">></span> {
|
||
<span class="comment">// RFC 7578: 'Each part MUST contain a Content-Disposition header field</span>
|
||
<span class="comment">// where the disposition type is "form-data".'</span>
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">content_disposition</span>) <span class="op">=</span>
|
||
<span class="self">self</span>.<span class="ident">headers</span>.<span class="ident">get</span>(::<span class="ident">http</span>::<span class="ident">header</span>::<span class="ident">CONTENT_DISPOSITION</span>)
|
||
{
|
||
<span class="ident">ContentDisposition</span>::<span class="ident">from_raw</span>(<span class="ident">content_disposition</span>).<span class="ident">ok</span>()
|
||
} <span class="kw">else</span> {
|
||
<span class="prelude-val">None</span>
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="ident">Stream</span> <span class="kw">for</span> <span class="ident">Field</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">S</span>: <span class="ident">Stream</span><span class="op"><</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">></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">MultipartError</span>;
|
||
|
||
<span class="kw">fn</span> <span class="ident">poll</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-></span> <span class="ident">Poll</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="self">Self</span>::<span class="ident">Item</span><span class="op">></span>, <span class="self">Self</span>::<span class="ident">Error</span><span class="op">></span> {
|
||
<span class="kw">if</span> <span class="self">self</span>.<span class="ident">safety</span>.<span class="ident">current</span>() {
|
||
<span class="self">self</span>.<span class="ident">inner</span>.<span class="ident">borrow_mut</span>().<span class="ident">poll</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">safety</span>)
|
||
} <span class="kw">else</span> {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>)
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="kw">for</span> <span class="ident">Field</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-></span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> {
|
||
<span class="macro">writeln</span><span class="macro">!</span>(<span class="ident">f</span>, <span class="string">"\nMultipartField: {}"</span>, <span class="self">self</span>.<span class="ident">ct</span>)<span class="question-mark">?</span>;
|
||
<span class="macro">writeln</span><span class="macro">!</span>(<span class="ident">f</span>, <span class="string">" boundary: {}"</span>, <span class="self">self</span>.<span class="ident">inner</span>.<span class="ident">borrow</span>().<span class="ident">boundary</span>)<span class="question-mark">?</span>;
|
||
<span class="macro">writeln</span><span class="macro">!</span>(<span class="ident">f</span>, <span class="string">" headers:"</span>)<span class="question-mark">?</span>;
|
||
<span class="kw">for</span> (<span class="ident">key</span>, <span class="ident">val</span>) <span class="kw">in</span> <span class="self">self</span>.<span class="ident">headers</span>.<span class="ident">iter</span>() {
|
||
<span class="macro">writeln</span><span class="macro">!</span>(<span class="ident">f</span>, <span class="string">" {:?}: {:?}"</span>, <span class="ident">key</span>, <span class="ident">val</span>)<span class="question-mark">?</span>;
|
||
}
|
||
<span class="prelude-val">Ok</span>(())
|
||
}
|
||
}
|
||
|
||
<span class="kw">struct</span> <span class="ident">InnerField</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">payload</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">PayloadRef</span><span class="op"><</span><span class="ident">S</span><span class="op">>></span>,
|
||
<span class="ident">boundary</span>: <span class="ident">String</span>,
|
||
<span class="ident">eof</span>: <span class="ident">bool</span>,
|
||
<span class="ident">length</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">u64</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">InnerField</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">S</span>: <span class="ident">Stream</span><span class="op"><</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">></span>,
|
||
{
|
||
<span class="kw">fn</span> <span class="ident">new</span>(
|
||
<span class="ident">payload</span>: <span class="ident">PayloadRef</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="ident">boundary</span>: <span class="ident">String</span>, <span class="ident">headers</span>: <span class="kw-2">&</span><span class="ident">HeaderMap</span>,
|
||
) <span class="op">-></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">InnerField</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="ident">PayloadError</span><span class="op">></span> {
|
||
<span class="kw">let</span> <span class="ident">len</span> <span class="op">=</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="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">len</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">len</span>) <span class="op">=</span> <span class="ident">s</span>.<span class="ident">parse</span>::<span class="op"><</span><span class="ident">u64</span><span class="op">></span>() {
|
||
<span class="prelude-val">Some</span>(<span class="ident">len</span>)
|
||
} <span class="kw">else</span> {
|
||
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">PayloadError</span>::<span class="ident">Incomplete</span>);
|
||
}
|
||
} <span class="kw">else</span> {
|
||
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">PayloadError</span>::<span class="ident">Incomplete</span>);
|
||
}
|
||
} <span class="kw">else</span> {
|
||
<span class="prelude-val">None</span>
|
||
};
|
||
|
||
<span class="prelude-val">Ok</span>(<span class="ident">InnerField</span> {
|
||
<span class="ident">boundary</span>,
|
||
<span class="ident">payload</span>: <span class="prelude-val">Some</span>(<span class="ident">payload</span>),
|
||
<span class="ident">eof</span>: <span class="bool-val">false</span>,
|
||
<span class="ident">length</span>: <span class="ident">len</span>,
|
||
})
|
||
}
|
||
|
||
<span class="doccomment">/// Reads body part content chunk of the specified size.</span>
|
||
<span class="doccomment">/// The body part must has `Content-Length` header with proper value.</span>
|
||
<span class="kw">fn</span> <span class="ident">read_len</span>(
|
||
<span class="ident">payload</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">PayloadBuffer</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="ident">size</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">u64</span>,
|
||
) <span class="op">-></span> <span class="ident">Poll</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Bytes</span><span class="op">></span>, <span class="ident">MultipartError</span><span class="op">></span> {
|
||
<span class="kw">if</span> <span class="kw-2">*</span><span class="ident">size</span> <span class="op">==</span> <span class="number">0</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">else</span> {
|
||
<span class="kw">match</span> <span class="ident">payload</span>.<span class="ident">readany</span>() {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>) <span class="op">=></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">=></span> <span class="prelude-val">Err</span>(<span class="ident">MultipartError</span>::<span class="ident">Incomplete</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">chunk</span>))) <span class="op">=></span> {
|
||
<span class="kw">let</span> <span class="ident">len</span> <span class="op">=</span> <span class="ident">cmp</span>::<span class="ident">min</span>(<span class="ident">chunk</span>.<span class="ident">len</span>() <span class="kw">as</span> <span class="ident">u64</span>, <span class="kw-2">*</span><span class="ident">size</span>);
|
||
<span class="kw-2">*</span><span class="ident">size</span> <span class="op">-=</span> <span class="ident">len</span>;
|
||
<span class="kw">let</span> <span class="ident">ch</span> <span class="op">=</span> <span class="ident">chunk</span>.<span class="ident">split_to</span>(<span class="ident">len</span> <span class="kw">as</span> <span class="ident">usize</span>);
|
||
<span class="kw">if</span> <span class="op">!</span><span class="ident">chunk</span>.<span class="ident">is_empty</span>() {
|
||
<span class="ident">payload</span>.<span class="ident">unprocessed</span>(<span class="ident">chunk</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">ch</span>)))
|
||
}
|
||
<span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=></span> <span class="prelude-val">Err</span>(<span class="ident">err</span>.<span class="ident">into</span>()),
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// Reads content chunk of body part with unknown length.</span>
|
||
<span class="doccomment">/// The `Content-Length` header for body part is not necessary.</span>
|
||
<span class="kw">fn</span> <span class="ident">read_stream</span>(
|
||
<span class="ident">payload</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">PayloadBuffer</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="ident">boundary</span>: <span class="kw-2">&</span><span class="ident">str</span>,
|
||
) <span class="op">-></span> <span class="ident">Poll</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Bytes</span><span class="op">></span>, <span class="ident">MultipartError</span><span class="op">></span> {
|
||
<span class="kw">match</span> <span class="ident">payload</span>.<span class="ident">read_until</span>(<span class="string">b"\r"</span>)<span class="question-mark">?</span> {
|
||
<span class="ident">Async</span>::<span class="ident">NotReady</span> <span class="op">=></span> <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>),
|
||
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">None</span>) <span class="op">=></span> <span class="prelude-val">Err</span>(<span class="ident">MultipartError</span>::<span class="ident">Incomplete</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">chunk</span>)) <span class="op">=></span> {
|
||
<span class="kw">if</span> <span class="ident">chunk</span>.<span class="ident">len</span>() <span class="op">==</span> <span class="number">1</span> {
|
||
<span class="ident">payload</span>.<span class="ident">unprocessed</span>(<span class="ident">chunk</span>);
|
||
<span class="kw">match</span> <span class="ident">payload</span>.<span class="ident">read_exact</span>(<span class="ident">boundary</span>.<span class="ident">len</span>() <span class="op">+</span> <span class="number">4</span>)<span class="question-mark">?</span> {
|
||
<span class="ident">Async</span>::<span class="ident">NotReady</span> <span class="op">=></span> <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>),
|
||
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">None</span>) <span class="op">=></span> <span class="prelude-val">Err</span>(<span class="ident">MultipartError</span>::<span class="ident">Incomplete</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">chunk</span>)) <span class="op">=></span> {
|
||
<span class="kw">if</span> <span class="kw-2">&</span><span class="ident">chunk</span>[..<span class="number">2</span>] <span class="op">==</span> <span class="string">b"\r\n"</span>
|
||
<span class="op">&&</span> <span class="kw-2">&</span><span class="ident">chunk</span>[<span class="number">2</span>..<span class="number">4</span>] <span class="op">==</span> <span class="string">b"--"</span>
|
||
<span class="op">&&</span> <span class="kw-2">&</span><span class="ident">chunk</span>[<span class="number">4</span>..] <span class="op">==</span> <span class="ident">boundary</span>.<span class="ident">as_bytes</span>()
|
||
{
|
||
<span class="ident">payload</span>.<span class="ident">unprocessed</span>(<span class="ident">chunk</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">else</span> {
|
||
<span class="comment">// \r might be part of data stream</span>
|
||
<span class="kw">let</span> <span class="ident">ch</span> <span class="op">=</span> <span class="ident">chunk</span>.<span class="ident">split_to</span>(<span class="number">1</span>);
|
||
<span class="ident">payload</span>.<span class="ident">unprocessed</span>(<span class="ident">chunk</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">ch</span>)))
|
||
}
|
||
}
|
||
}
|
||
} <span class="kw">else</span> {
|
||
<span class="kw">let</span> <span class="ident">to</span> <span class="op">=</span> <span class="ident">chunk</span>.<span class="ident">len</span>() <span class="op">-</span> <span class="number">1</span>;
|
||
<span class="kw">let</span> <span class="ident">ch</span> <span class="op">=</span> <span class="ident">chunk</span>.<span class="ident">split_to</span>(<span class="ident">to</span>);
|
||
<span class="ident">payload</span>.<span class="ident">unprocessed</span>(<span class="ident">chunk</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">ch</span>)))
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">fn</span> <span class="ident">poll</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">s</span>: <span class="kw-2">&</span><span class="ident">Safety</span>) <span class="op">-></span> <span class="ident">Poll</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Bytes</span><span class="op">></span>, <span class="ident">MultipartError</span><span class="op">></span> {
|
||
<span class="kw">if</span> <span class="self">self</span>.<span class="ident">payload</span>.<span class="ident">is_none</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">let</span> <span class="ident">result</span> <span class="op">=</span> <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">payload</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">payload</span>.<span class="ident">as_ref</span>().<span class="ident">unwrap</span>().<span class="ident">get_mut</span>(<span class="ident">s</span>) {
|
||
<span class="kw">let</span> <span class="ident">res</span> <span class="op">=</span> <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="kw-2">mut</span> <span class="ident">len</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">length</span> {
|
||
<span class="ident">InnerField</span>::<span class="ident">read_len</span>(<span class="ident">payload</span>, <span class="ident">len</span>)<span class="question-mark">?</span>
|
||
} <span class="kw">else</span> {
|
||
<span class="ident">InnerField</span>::<span class="ident">read_stream</span>(<span class="ident">payload</span>, <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">boundary</span>)<span class="question-mark">?</span>
|
||
};
|
||
|
||
<span class="kw">match</span> <span class="ident">res</span> {
|
||
<span class="ident">Async</span>::<span class="ident">NotReady</span> <span class="op">=></span> <span class="ident">Async</span>::<span class="ident">NotReady</span>,
|
||
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">Some</span>(<span class="ident">bytes</span>)) <span class="op">=></span> <span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">Some</span>(<span class="ident">bytes</span>)),
|
||
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">None</span>) <span class="op">=></span> {
|
||
<span class="self">self</span>.<span class="ident">eof</span> <span class="op">=</span> <span class="bool-val">true</span>;
|
||
<span class="kw">match</span> <span class="ident">payload</span>.<span class="ident">readline</span>()<span class="question-mark">?</span> {
|
||
<span class="ident">Async</span>::<span class="ident">NotReady</span> <span class="op">=></span> <span class="ident">Async</span>::<span class="ident">NotReady</span>,
|
||
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">None</span>) <span class="op">=></span> <span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">None</span>),
|
||
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">Some</span>(<span class="ident">line</span>)) <span class="op">=></span> {
|
||
<span class="kw">if</span> <span class="ident">line</span>.<span class="ident">as_ref</span>() <span class="op">!=</span> <span class="string">b"\r\n"</span> {
|
||
<span class="macro">warn</span><span class="macro">!</span>(<span class="string">"multipart field did not read all the data or it is malformed"</span>);
|
||
}
|
||
<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">None</span>)
|
||
}
|
||
}
|
||
}
|
||
}
|
||
} <span class="kw">else</span> {
|
||
<span class="ident">Async</span>::<span class="ident">NotReady</span>
|
||
};
|
||
|
||
<span class="kw">if</span> <span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="prelude-val">None</span>) <span class="op">==</span> <span class="ident">result</span> {
|
||
<span class="self">self</span>.<span class="ident">payload</span>.<span class="ident">take</span>();
|
||
}
|
||
<span class="prelude-val">Ok</span>(<span class="ident">result</span>)
|
||
}
|
||
}
|
||
|
||
<span class="kw">struct</span> <span class="ident">PayloadRef</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">payload</span>: <span class="ident">Rc</span><span class="op"><</span><span class="ident">UnsafeCell</span><span class="op"><</span><span class="ident">PayloadBuffer</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">PayloadRef</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">S</span>: <span class="ident">Stream</span><span class="op"><</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">></span>,
|
||
{
|
||
<span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">payload</span>: <span class="ident">PayloadBuffer</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>) <span class="op">-></span> <span class="ident">PayloadRef</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">PayloadRef</span> {
|
||
<span class="ident">payload</span>: <span class="ident">Rc</span>::<span class="ident">new</span>(<span class="ident">payload</span>.<span class="ident">into</span>()),
|
||
}
|
||
}
|
||
|
||
<span class="kw">fn</span> <span class="ident">get_mut</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'b</span><span class="op">></span>(<span class="kw-2">&</span><span class="lifetime">'a</span> <span class="self">self</span>, <span class="ident">s</span>: <span class="kw-2">&</span><span class="lifetime">'b</span> <span class="ident">Safety</span>) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'a</span> <span class="kw-2">mut</span> <span class="ident">PayloadBuffer</span><span class="op"><</span><span class="ident">S</span><span class="op">>></span>
|
||
<span class="kw">where</span>
|
||
<span class="lifetime">'a</span>: <span class="lifetime">'b</span>,
|
||
{
|
||
<span class="comment">// Unsafe: Invariant is inforced by Safety Safety is used as ref counter,</span>
|
||
<span class="comment">// only top most ref can have mutable access to payload.</span>
|
||
<span class="kw">if</span> <span class="ident">s</span>.<span class="ident">current</span>() {
|
||
<span class="kw">let</span> <span class="ident">payload</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">PayloadBuffer</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="op">=</span> <span class="kw">unsafe</span> { <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="kw-2">*</span><span class="self">self</span>.<span class="ident">payload</span>.<span class="ident">get</span>() };
|
||
<span class="prelude-val">Some</span>(<span class="ident">payload</span>)
|
||
} <span class="kw">else</span> {
|
||
<span class="prelude-val">None</span>
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="ident">Clone</span> <span class="kw">for</span> <span class="ident">PayloadRef</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">fn</span> <span class="ident">clone</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">PayloadRef</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">PayloadRef</span> {
|
||
<span class="ident">payload</span>: <span class="ident">Rc</span>::<span class="ident">clone</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">payload</span>),
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// Counter. It tracks of number of clones of payloads and give access to</span>
|
||
<span class="doccomment">/// payload only to top most task panics if Safety get destroyed and it not top</span>
|
||
<span class="doccomment">/// most task.</span>
|
||
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>)]</span>
|
||
<span class="kw">struct</span> <span class="ident">Safety</span> {
|
||
<span class="ident">task</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Task</span><span class="op">></span>,
|
||
<span class="ident">level</span>: <span class="ident">usize</span>,
|
||
<span class="ident">payload</span>: <span class="ident">Rc</span><span class="op"><</span><span class="ident">PhantomData</span><span class="op"><</span><span class="ident">bool</span><span class="op">>></span>,
|
||
}
|
||
|
||
<span class="kw">impl</span> <span class="ident">Safety</span> {
|
||
<span class="kw">fn</span> <span class="ident">new</span>() <span class="op">-></span> <span class="ident">Safety</span> {
|
||
<span class="kw">let</span> <span class="ident">payload</span> <span class="op">=</span> <span class="ident">Rc</span>::<span class="ident">new</span>(<span class="ident">PhantomData</span>);
|
||
<span class="ident">Safety</span> {
|
||
<span class="ident">task</span>: <span class="prelude-val">None</span>,
|
||
<span class="ident">level</span>: <span class="ident">Rc</span>::<span class="ident">strong_count</span>(<span class="kw-2">&</span><span class="ident">payload</span>),
|
||
<span class="ident">payload</span>,
|
||
}
|
||
}
|
||
|
||
<span class="kw">fn</span> <span class="ident">current</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
|
||
<span class="ident">Rc</span>::<span class="ident">strong_count</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">payload</span>) <span class="op">==</span> <span class="self">self</span>.<span class="ident">level</span>
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span> <span class="ident">Clone</span> <span class="kw">for</span> <span class="ident">Safety</span> {
|
||
<span class="kw">fn</span> <span class="ident">clone</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">Safety</span> {
|
||
<span class="kw">let</span> <span class="ident">payload</span> <span class="op">=</span> <span class="ident">Rc</span>::<span class="ident">clone</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">payload</span>);
|
||
<span class="ident">Safety</span> {
|
||
<span class="ident">task</span>: <span class="prelude-val">Some</span>(<span class="ident">current_task</span>()),
|
||
<span class="ident">level</span>: <span class="ident">Rc</span>::<span class="ident">strong_count</span>(<span class="kw-2">&</span><span class="ident">payload</span>),
|
||
<span class="ident">payload</span>,
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span> <span class="ident">Drop</span> <span class="kw">for</span> <span class="ident">Safety</span> {
|
||
<span class="kw">fn</span> <span class="ident">drop</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) {
|
||
<span class="comment">// parent task is dead</span>
|
||
<span class="kw">if</span> <span class="ident">Rc</span>::<span class="ident">strong_count</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">payload</span>) <span class="op">!=</span> <span class="self">self</span>.<span class="ident">level</span> {
|
||
<span class="macro">panic</span><span class="macro">!</span>(<span class="string">"Safety get dropped but it is not from top-most task"</span>);
|
||
}
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">task</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">task</span>.<span class="ident">take</span>() {
|
||
<span class="ident">task</span>.<span class="ident">notify</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">bytes</span>::<span class="ident">Bytes</span>;
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>::{<span class="ident">lazy</span>, <span class="ident">result</span>};
|
||
<span class="kw">use</span> <span class="ident">payload</span>::{<span class="ident">Payload</span>, <span class="ident">PayloadWriter</span>};
|
||
<span class="kw">use</span> <span class="ident">tokio</span>::<span class="ident">runtime</span>::<span class="ident">current_thread</span>::<span class="ident">Runtime</span>;
|
||
|
||
<span class="attribute">#[<span class="ident">test</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">test_boundary</span>() {
|
||
<span class="kw">let</span> <span class="ident">headers</span> <span class="op">=</span> <span class="ident">HeaderMap</span>::<span class="ident">new</span>();
|
||
<span class="kw">match</span> <span class="ident">Multipart</span>::<span class="ident">boundary</span>(<span class="kw-2">&</span><span class="ident">headers</span>) {
|
||
<span class="prelude-val">Err</span>(<span class="ident">MultipartError</span>::<span class="ident">NoContentType</span>) <span class="op">=></span> (),
|
||
<span class="kw">_</span> <span class="op">=></span> <span class="macro">unreachable</span><span class="macro">!</span>(<span class="string">"should not happen"</span>),
|
||
}
|
||
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">headers</span> <span class="op">=</span> <span class="ident">HeaderMap</span>::<span class="ident">new</span>();
|
||
<span class="ident">headers</span>.<span class="ident">insert</span>(
|
||
<span class="ident">header</span>::<span class="ident">CONTENT_TYPE</span>,
|
||
<span class="ident">header</span>::<span class="ident">HeaderValue</span>::<span class="ident">from_static</span>(<span class="string">"test"</span>),
|
||
);
|
||
|
||
<span class="kw">match</span> <span class="ident">Multipart</span>::<span class="ident">boundary</span>(<span class="kw-2">&</span><span class="ident">headers</span>) {
|
||
<span class="prelude-val">Err</span>(<span class="ident">MultipartError</span>::<span class="ident">ParseContentType</span>) <span class="op">=></span> (),
|
||
<span class="kw">_</span> <span class="op">=></span> <span class="macro">unreachable</span><span class="macro">!</span>(<span class="string">"should not happen"</span>),
|
||
}
|
||
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">headers</span> <span class="op">=</span> <span class="ident">HeaderMap</span>::<span class="ident">new</span>();
|
||
<span class="ident">headers</span>.<span class="ident">insert</span>(
|
||
<span class="ident">header</span>::<span class="ident">CONTENT_TYPE</span>,
|
||
<span class="ident">header</span>::<span class="ident">HeaderValue</span>::<span class="ident">from_static</span>(<span class="string">"multipart/mixed"</span>),
|
||
);
|
||
<span class="kw">match</span> <span class="ident">Multipart</span>::<span class="ident">boundary</span>(<span class="kw-2">&</span><span class="ident">headers</span>) {
|
||
<span class="prelude-val">Err</span>(<span class="ident">MultipartError</span>::<span class="ident">Boundary</span>) <span class="op">=></span> (),
|
||
<span class="kw">_</span> <span class="op">=></span> <span class="macro">unreachable</span><span class="macro">!</span>(<span class="string">"should not happen"</span>),
|
||
}
|
||
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">headers</span> <span class="op">=</span> <span class="ident">HeaderMap</span>::<span class="ident">new</span>();
|
||
<span class="ident">headers</span>.<span class="ident">insert</span>(
|
||
<span class="ident">header</span>::<span class="ident">CONTENT_TYPE</span>,
|
||
<span class="ident">header</span>::<span class="ident">HeaderValue</span>::<span class="ident">from_static</span>(
|
||
<span class="string">"multipart/mixed; boundary=\"5c02368e880e436dab70ed54e1c58209\""</span>,
|
||
),
|
||
);
|
||
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(
|
||
<span class="ident">Multipart</span>::<span class="ident">boundary</span>(<span class="kw-2">&</span><span class="ident">headers</span>).<span class="ident">unwrap</span>(),
|
||
<span class="string">"5c02368e880e436dab70ed54e1c58209"</span>
|
||
);
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">test</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">test_multipart</span>() {
|
||
<span class="ident">Runtime</span>::<span class="ident">new</span>()
|
||
.<span class="ident">unwrap</span>()
|
||
.<span class="ident">block_on</span>(<span class="ident">lazy</span>(<span class="op">||</span> {
|
||
<span class="kw">let</span> (<span class="kw-2">mut</span> <span class="ident">sender</span>, <span class="ident">payload</span>) <span class="op">=</span> <span class="ident">Payload</span>::<span class="ident">new</span>(<span class="bool-val">false</span>);
|
||
|
||
<span class="kw">let</span> <span class="ident">bytes</span> <span class="op">=</span> <span class="ident">Bytes</span>::<span class="ident">from</span>(
|
||
<span class="string">"testasdadsad\r\n\
|
||
--abbc761f78ff4d7cb7573b5a23f96ef0\r\n\
|
||
Content-Disposition: form-data; name=\"file\"; filename=\"fn.txt\"\r\n\
|
||
Content-Type: text/plain; charset=utf-8\r\nContent-Length: 4\r\n\r\n\
|
||
test\r\n\
|
||
--abbc761f78ff4d7cb7573b5a23f96ef0\r\n\
|
||
Content-Type: text/plain; charset=utf-8\r\nContent-Length: 4\r\n\r\n\
|
||
data\r\n\
|
||
--abbc761f78ff4d7cb7573b5a23f96ef0--\r\n"</span>);
|
||
<span class="ident">sender</span>.<span class="ident">feed_data</span>(<span class="ident">bytes</span>);
|
||
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">multipart</span> <span class="op">=</span> <span class="ident">Multipart</span>::<span class="ident">new</span>(
|
||
<span class="prelude-val">Ok</span>(<span class="string">"abbc761f78ff4d7cb7573b5a23f96ef0"</span>.<span class="ident">to_owned</span>()),
|
||
<span class="ident">payload</span>,
|
||
);
|
||
<span class="kw">match</span> <span class="ident">multipart</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="ident">item</span>))) <span class="op">=></span> <span class="kw">match</span> <span class="ident">item</span> {
|
||
<span class="ident">MultipartItem</span>::<span class="ident">Field</span>(<span class="kw-2">mut</span> <span class="ident">field</span>) <span class="op">=></span> {
|
||
{
|
||
<span class="kw">use</span> <span class="ident">http</span>::<span class="ident">header</span>::{<span class="ident">DispositionParam</span>, <span class="ident">DispositionType</span>};
|
||
<span class="kw">let</span> <span class="ident">cd</span> <span class="op">=</span> <span class="ident">field</span>.<span class="ident">content_disposition</span>().<span class="ident">unwrap</span>();
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">cd</span>.<span class="ident">disposition</span>, <span class="ident">DispositionType</span>::<span class="ident">FormData</span>);
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(
|
||
<span class="ident">cd</span>.<span class="ident">parameters</span>[<span class="number">0</span>],
|
||
<span class="ident">DispositionParam</span>::<span class="ident">Name</span>(<span class="string">"file"</span>.<span class="ident">into</span>())
|
||
);
|
||
}
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">field</span>.<span class="ident">content_type</span>().<span class="ident">type_</span>(), <span class="ident">mime</span>::<span class="ident">TEXT</span>);
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">field</span>.<span class="ident">content_type</span>().<span class="ident">subtype</span>(), <span class="ident">mime</span>::<span class="ident">PLAIN</span>);
|
||
|
||
<span class="kw">match</span> <span class="ident">field</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="ident">chunk</span>))) <span class="op">=></span> {
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">chunk</span>, <span class="string">"test"</span>)
|
||
}
|
||
<span class="kw">_</span> <span class="op">=></span> <span class="macro">unreachable</span><span class="macro">!</span>(),
|
||
}
|
||
<span class="kw">match</span> <span class="ident">field</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">None</span>)) <span class="op">=></span> (),
|
||
<span class="kw">_</span> <span class="op">=></span> <span class="macro">unreachable</span><span class="macro">!</span>(),
|
||
}
|
||
}
|
||
<span class="kw">_</span> <span class="op">=></span> <span class="macro">unreachable</span><span class="macro">!</span>(),
|
||
},
|
||
<span class="kw">_</span> <span class="op">=></span> <span class="macro">unreachable</span><span class="macro">!</span>(),
|
||
}
|
||
|
||
<span class="kw">match</span> <span class="ident">multipart</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="ident">item</span>))) <span class="op">=></span> <span class="kw">match</span> <span class="ident">item</span> {
|
||
<span class="ident">MultipartItem</span>::<span class="ident">Field</span>(<span class="kw-2">mut</span> <span class="ident">field</span>) <span class="op">=></span> {
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">field</span>.<span class="ident">content_type</span>().<span class="ident">type_</span>(), <span class="ident">mime</span>::<span class="ident">TEXT</span>);
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">field</span>.<span class="ident">content_type</span>().<span class="ident">subtype</span>(), <span class="ident">mime</span>::<span class="ident">PLAIN</span>);
|
||
|
||
<span class="kw">match</span> <span class="ident">field</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="ident">chunk</span>))) <span class="op">=></span> {
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">chunk</span>, <span class="string">"data"</span>)
|
||
}
|
||
<span class="kw">_</span> <span class="op">=></span> <span class="macro">unreachable</span><span class="macro">!</span>(),
|
||
}
|
||
<span class="kw">match</span> <span class="ident">field</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">None</span>)) <span class="op">=></span> (),
|
||
<span class="kw">_</span> <span class="op">=></span> <span class="macro">unreachable</span><span class="macro">!</span>(),
|
||
}
|
||
}
|
||
<span class="kw">_</span> <span class="op">=></span> <span class="macro">unreachable</span><span class="macro">!</span>(),
|
||
},
|
||
<span class="kw">_</span> <span class="op">=></span> <span class="macro">unreachable</span><span class="macro">!</span>(),
|
||
}
|
||
|
||
<span class="kw">match</span> <span class="ident">multipart</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">None</span>)) <span class="op">=></span> (),
|
||
<span class="kw">_</span> <span class="op">=></span> <span class="macro">unreachable</span><span class="macro">!</span>(),
|
||
}
|
||
|
||
<span class="kw">let</span> <span class="ident">res</span>: <span class="prelude-ty">Result</span><span class="op"><</span>(), ()<span class="op">></span> <span class="op">=</span> <span class="prelude-val">Ok</span>(());
|
||
<span class="ident">result</span>(<span class="ident">res</span>)
|
||
})).<span class="ident">unwrap</span>();
|
||
}
|
||
}
|
||
</pre>
|
||
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