<!DOCTYPE html><htmllang="en"><head><metacharset="utf-8"><metaname="viewport"content="width=device-width, initial-scale=1.0"><metaname="generator"content="rustdoc"><metaname="description"content="Errors that can occur when processing CORS guarded requests."><metaname="keywords"content="rust, rustlang, rust-lang, CorsError"><title>CorsError in actix_cors - Rust</title><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../SourceSerif4-Regular.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../FiraSans-Regular.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../FiraSans-Medium.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../SourceCodePro-Regular.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../SourceSerif4-Bold.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../SourceCodePro-Semibold.ttf.woff2"><linkrel="stylesheet"href="../normalize.css"><linkrel="stylesheet"href="../rustdoc.css"id="mainThemeStyle"><linkrel="stylesheet"href="../ayu.css"disabled><linkrel="stylesheet"href="../dark.css"disabled><linkrel="stylesheet"href="../light.css"id="themeStyle"><scriptid="default-settings"></script><scriptsrc="../storage.js"></script><scriptdefersrc="sidebar-items.js"></script><scriptdefersrc="../main.js"></script><noscript><linkrel="stylesheet"href="../noscript.css"></noscript><linkrel="icon"href="https://actix.rs/favicon.ico"></head><bodyclass="rustdoc enum"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><navclass="mobile-topbar"><buttonclass="sidebar-menu-toggle">☰</button><aclass="sidebar-logo"href="../actix_cors/index.html"><divclass="logo-container"><imgsrc="https://actix.rs/img/logo.png"alt="logo"></div></a><h2></h2></nav><navclass="sidebar"><aclass="sidebar-logo"href="../actix_cors/index.html"><divclass="logo-container">
<imgsrc="https://actix.rs/img/logo.png"alt="logo"></div></a><h2class="location"><ahref="#">CorsError</a></h2><divclass="sidebar-elems"><section><h3><ahref="#variants">Variants</a></h3><ulclass="block"><li><ahref="#variant.BadRequestHeaders">BadRequestHeaders</a></li><li><ahref="#variant.BadRequestMethod">BadRequestMethod</a></li><li><ahref="#variant.HeadersNotAllowed">HeadersNotAllowed</a></li><li><ahref="#variant.MethodNotAllowed">MethodNotAllowed</a></li><li><ahref="#variant.MissingOrigin">MissingOrigin</a></li><li><ahref="#variant.MissingRequestMethod">MissingRequestMethod</a></li><li><ahref="#variant.OriginNotAllowed">OriginNotAllowed</a></li><li><ahref="#variant.WildcardOrigin">WildcardOrigin</a></li></ul><h3><ahref="#trait-implementations">Trait Implementations</a></h3><ulclass="block"><li><ahref="#impl-Clone-for-CorsError">Clone</a></li><li><ahref="#impl-Debug-for-CorsError">Debug</a></li><li><ahref="#impl-Display-for-CorsError">Display</a></li><li><ahref="#impl-Error-for-CorsError">Error</a></li><li><ahref="#impl-ResponseError-for-CorsError">ResponseError</a></li></ul><h3><ahref="#synthetic-implementations">Auto Trait Implementations</a></h3><ulclass="block"><li><ahref="#impl-RefUnwindSafe-for-CorsError">RefUnwindSafe</a></li><li><ahref="#impl-Send-for-CorsError">Send</a></li><li><ahref="#impl-Sync-for-CorsError">Sync</a></li><li><ahref="#impl-Unpin-for-CorsError">Unpin</a></li><li><ahref="#impl-UnwindSafe-for-CorsError">UnwindSafe</a></li></ul><h3><ahref="#blanket-implementations">Blanket Implementations</a></h3><ulclass="block"><li><ahref="#impl-Any-for-CorsError">Any</a></li><li><ahref="#impl-Borrow%3CT%3E-for-CorsError">Borrow<T></a></li><li><ahref="#impl-BorrowMut%3CT%3E-for-CorsError">BorrowMut<T></a></li><li><ahref="#impl-From%3CT%3E-for-CorsError">From<T></a></li><li><ahref="#impl-Instrument-for-CorsError">Instrument</a></li><li><ahref="#impl-Into%3CU%3E-for-CorsError">Into<U></a></li><li><ahref="#impl-Provider-for-CorsError">Provider</a></li><li><ahref="#impl-Same%3CT%3E-for-CorsError">Same<T></a></li><li><ahref="#impl-ToOwned-for-CorsError">ToOwned</a></li><li><ahref="#impl-ToString-for-CorsError">ToString</a></li><li><ahref="#impl-TryFrom%3CU%3E-for-CorsError">TryFrom<U></a></li><li><ahref="#impl-TryInto%3CU%3E-for-CorsError">TryInto<U></a></li><li><ahref="#impl-VZip%3CV%3E-for-CorsError">VZip<V></a></li><li><ahref="#impl-WithSubscriber-for-CorsError">WithSubscriber</a></li></ul></section><h2><ahref="index.html">In actix_cors</a></h2></div></nav><main><divclass="width-limiter"><navclass="sub"><formclass="search-form"><span></span><inputclass="search-input"name="search"autocomplete="off"spellcheck="false"placeholder="Click or press ‘S’ to search, ‘?’ for more options…"type="search"><divid="help-button"title="help"tabindex="-1"><ahref="../help.html">?</a></div><divid="settings-menu"tabindex="-1"><ahref="../settings.html"title="settings"><imgwidth="22"height="22"alt="Change settings"src="../wheel.svg"></a></div></form></nav><sectionid="main-content"class="content"><divclass="main-heading"><h1class="fqn">Enum <ahref="index.html">actix_cors</a>::<wbr><aclass="enum"href="#">CorsError</a><buttonid="copy-path"onclick="copy_path(this)"title="Copy item path to clipboard"><imgsrc="../clipboard.svg"width="19"height="18"alt="Copy item path"></button></h1><spanclass="out-of-band"><aclass="srclink"href="../src/actix_cors/error.rs.html#7-39">source</a> · <aid="toggle-all-docs"href="javascript:void(0)"title="collapse all docs">[<spanclass="inner">−</span>]</a></span></div><divclass="item-decl"><preclass="rust enum"><code>#[non_exhaustive]
}</code></pre></div><detailsclass="rustdoc-toggle top-doc"open><summaryclass="hideme"><span>Expand description</span></summary><divclass="docblock"><p>Errors that can occur when processing CORS guarded requests.</p>
</div></details><h2id="variants"class="variants small-section-header">Variants (Non-exhaustive)<ahref="#variants"class="anchor"></a></h2><detailsclass="rustdoc-toggle non-exhaustive"><summaryclass="hideme"><span>This enum is marked as non-exhaustive</span></summary><divclass="docblock">Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.</div></details><h3id="variant.WildcardOrigin"class="variant small-section-header"><ahref="#variant.WildcardOrigin"class="anchor field"></a><code>WildcardOrigin</code></h3><divclass="docblock"><p>Allowed origin argument must not be wildcard (<code>*</code>).</p>
</div><h3id="variant.MissingOrigin"class="variant small-section-header"><ahref="#variant.MissingOrigin"class="anchor field"></a><code>MissingOrigin</code></h3><divclass="docblock"><p>Request header <code>Origin</code> is required but was not provided.</p>
</div><h3id="variant.MissingRequestMethod"class="variant small-section-header"><ahref="#variant.MissingRequestMethod"class="anchor field"></a><code>MissingRequestMethod</code></h3><divclass="docblock"><p>Request header <code>Access-Control-Request-Method</code> is required but is missing.</p>
</div><h3id="variant.BadRequestMethod"class="variant small-section-header"><ahref="#variant.BadRequestMethod"class="anchor field"></a><code>BadRequestMethod</code></h3><divclass="docblock"><p>Request header <code>Access-Control-Request-Method</code> has an invalid value.</p>
</div><h3id="variant.BadRequestHeaders"class="variant small-section-header"><ahref="#variant.BadRequestHeaders"class="anchor field"></a><code>BadRequestHeaders</code></h3><divclass="docblock"><p>Request header <code>Access-Control-Request-Headers</code> has an invalid value.</p>
</div><h3id="variant.OriginNotAllowed"class="variant small-section-header"><ahref="#variant.OriginNotAllowed"class="anchor field"></a><code>OriginNotAllowed</code></h3><divclass="docblock"><p>Origin is not allowed to make this request.</p>
</div><h3id="variant.MethodNotAllowed"class="variant small-section-header"><ahref="#variant.MethodNotAllowed"class="anchor field"></a><code>MethodNotAllowed</code></h3><divclass="docblock"><p>Request method is not allowed.</p>
</div><h3id="variant.HeadersNotAllowed"class="variant small-section-header"><ahref="#variant.HeadersNotAllowed"class="anchor field"></a><code>HeadersNotAllowed</code></h3><divclass="docblock"><p>One or more request headers are not allowed.</p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-Instrument-for-CorsError"class="impl has-srclink"><aclass="srclink rightside"href="https://docs.rs/tracing/0.1.37/src/tracing/instrument.rs.html#276">source</a><ahref="#impl-Instrument-for-CorsError"class="anchor"></a><h3class="code-header">impl<T><aclass="trait"href="https://docs.rs/tracing/0.1.37/tracing/instrument/trait.Instrument.html"title="trait tracing::instrument::Instrument">Instrument</a> for T</h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.instrument"class="method trait-impl has-srclink"><aclass="srclink rightside"href="https://docs.rs/tracing/0.1.37/src/tracing/instrument.rs.html#82">source</a><ahref="#method.instrument"class="anchor"></a><h4class="code-header">fn <ahref="https://docs.rs/tracing/0.1.37/tracing/instrument/trait.Instrument.html#method.instrument"class="fnname">instrument</a>(self, span: <aclass="struct"href="https://docs.rs/tracing/0.1.37/tracing/span/struct.Span.html"title="struct tracing::span::Span">Span</a>) -><aclass="struct"href="https://docs.rs/tracing/0.1.37/tracing/instrument/struct.Instrumented.html"title="struct tracing::instrument::Instrumented">Instrumented</a><Self></h4></section></summary><divclass='docblock'>Instruments this type with the provided <ahref="https://docs.rs/tracing/0.1.37/tracing/span/struct.Span.html"title="Span"><code>Span</code></a>, returning an
<code>Instrumented</code> wrapper. <ahref="https://docs.rs/tracing/0.1.37/tracing/instrument/trait.Instrument.html#method.instrument">Read more</a></div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.in_current_span"class="method trait-impl has-srclink"><aclass="srclink rightside"href="https://docs.rs/tracing/0.1.37/src/tracing/instrument.rs.html#121">source</a><ahref="#method.in_current_span"class="anchor"></a><h4class="code-header">fn <ahref="https://docs.rs/tracing/0.1.37/tracing/instrument/trait.Instrument.html#method.in_current_span"class="fnname">in_current_span</a>(self) -><aclass="struct"href="https://docs.rs/tracing/0.1.37/tracing/instrument/struct.Instrumented.html"title="struct tracing::instrument::Instrumented">Instrumented</a><Self></h4></section></summary><divclass='docblock'>Instruments this type with the <ahref="https://docs.rs/tracing/0.1.37/tracing/span/struct.Span.html#method.current">current</a><ahref="https://docs.rs/tracing/0.1.37/tracing/span/struct.Span.html"><code>Span</code></a>, returning an
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-Provider-for-CorsError"class="impl has-srclink"><aclass="srclink rightside"href="https://doc.rust-lang.org/nightly/src/core/error.rs.html#197">source</a><ahref="#impl-Provider-for-CorsError"class="anchor"></a><h3class="code-header">impl<E><aclass="trait"href="https://doc.rust-lang.org/nightly/core/any/trait.Provider.html"title="trait core::any::Provider">Provider</a> for E<spanclass="where fmt-newline">where<br> E: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/error/trait.Error.html"title="trait core::error::Error">Error</a> + ?<aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>,</span></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.provide-1"class="method trait-impl has-srclink"><aclass="srclink rightside"href="https://doc.rust-lang.org/nightly/src/core/error.rs.html#201">source</a><ahref="#method.provide-1"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/any/trait.Provider.html#tymethod.provide"class="fnname">provide</a>(&'a self, demand: &mut <aclass="struct"href="https://doc.rust-lang.org/nightly/core/any/struct.Demand.html"title="struct core::any::Demand">Demand</a><'a>)</h4></section></summary><spanclass="item-info"><divclass="stab unstable"><spanclass="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>provide_any</code>)</span></div></span><divclass='docblock'>Data providers should implement this method to provide <em>all</em> values they are able to
provide by using <code>demand</code>. <ahref="https://doc.rust-lang.org/nightly/core/any/trait.Provider.html#tymethod.provide">Read more</a></div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-Same%3CT%3E-for-CorsError"class="impl has-srclink"><aclass="srclink rightside"href="https://docs.rs/typenum/1.15.0/src/typenum/type_operators.rs.html#34">source</a><ahref="#impl-Same%3CT%3E-for-CorsError"class="anchor"></a><h3class="code-header">impl<T><aclass="trait"href="https://docs.rs/typenum/1.15.0/typenum/type_operators/trait.Same.html"title="trait typenum::type_operators::Same">Same</a><T> for T</h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle"open><summary><sectionid="associatedtype.Output"class="associatedtype trait-impl has-srclink"><ahref="#associatedtype.Output"class="anchor"></a><h4class="code-header">type <ahref="https://docs.rs/typenum/1.15.0/typenum/type_operators/trait.Same.html#associatedtype.Output"class="associatedtype">Output</a> = T</h4></section></summary><divclass='docblock'>Should always be <code>Self</code></div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-ToOwned-for-CorsError"class="impl has-srclink"><aclass="srclink rightside"href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#82">source</a><ahref="#impl-ToOwned-for-CorsError"class="anchor"></a><h3class="code-header">impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html"title="trait alloc::borrow::ToOwned">ToOwned</a> for T<spanclass="where fmt-newline">where<br> T: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html"title="trait core::clone::Clone">Clone</a>,</span></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle"open><summary><sectionid="associatedtype.Owned"class="associatedtype trait-impl has-srclink"><ahref="#associatedtype.Owned"class="anchor"></a><h4class="code-header">type <ahref="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#associatedtype.Owned"class="associatedtype">Owned</a> = T</h4></section></summary><divclass='docblock'>The resulting type after obtaining ownership.</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.to_owned"class="method trait-impl has-srclink"><aclass="srclink rightside"href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#87">source</a><ahref="#method.to_owned"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned"class="fnname">to_owned</a>(&self) -> T</h4></section></summary><divclass='docblock'>Creates owned data from borrowed data, usually by cloning. <ahref="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.clone_into"class="method trait-impl has-srclink"><aclass="srclink rightside"href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#91">source</a><ahref="#method.clone_into"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into"class="fnname">clone_into</a>(&self, target: <aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T)</h4></section></summary><divclass='docblock'>Uses borrowed data to replace owned data, usually by cloning. <ahref="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-ToString-for-CorsError"class="impl has-srclink"><aclass="srclink rightside"href="https://doc.rust-lang.org/nightly/src/alloc/string.rs.html#2526">source</a><ahr
<ahref="https://docs.rs/tracing/0.1.37/tracing/instrument/struct.WithDispatch.html"title="WithDispatch"><code>WithDispatch</code></a> wrapper. <ahref="https://docs.rs/tracing/0.1.37/tracing/instrument/trait.WithSubscriber.html#method.with_subscriber">Read more</a></div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.with_current_subscriber"class="method trait-impl has-srclink"><aclass="srclink rightside"href="https://docs.rs/tracing/0.1.37/src/tracing/instrument.rs.html#221">source</a><ahref="#method.with_current_subscriber"class="anchor"></a><h4class="code-header">fn <ahref="https://docs.rs/tracing/0.1.37/tracing/instrument/trait.WithSubscriber.html#method.with_current_subscriber"class="fnname">with_current_subscriber</a>(self) -><aclass="struct"href="https://docs.rs/tracing/0.1.37/tracing/instrument/struct.WithDispatch.html"title="struct tracing::instrument::WithDispatch">WithDispatch</a><Self></h4></section></summary><divclass='docblock'>Attaches the current <ahref="https://docs.rs/tracing/0.1.37/tracing/dispatcher/index.html#setting-the-default-subscriber">default</a><ahref="https://docs.rs/tracing-core/0.1.22/tracing_core/subscriber/trait.Subscriber.html"><code>Subscriber</code></a> to this type, returning a
