| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/reqwest-0.11.18/src/lib.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>lib.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../reqwest/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../reqwest/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
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| </pre><pre class="rust"><code><span class="attribute">#![deny(missing_docs)] |
| #![deny(missing_debug_implementations)] |
| #![cfg_attr(docsrs, feature(doc_cfg))] |
| #![cfg_attr(test, deny(warnings))] |
| #![doc(html_root_url = <span class="string">"https://docs.rs/reqwest/0.11.18"</span>)] |
| |
| </span><span class="doccomment">//! # reqwest |
| //! |
| //! The `reqwest` crate provides a convenient, higher-level HTTP |
| //! [`Client`][client]. |
| //! |
| //! It handles many of the things that most people just expect an HTTP client |
| //! to do for them. |
| //! |
| //! - Async and [blocking](blocking) Clients |
| //! - Plain bodies, [JSON](#json), [urlencoded](#forms), [multipart](multipart) |
| //! - Customizable [redirect policy](#redirect-policies) |
| //! - HTTP [Proxies](#proxies) |
| //! - Uses system-native [TLS](#tls) |
| //! - Cookies |
| //! |
| //! The [`reqwest::Client`][client] is asynchronous. For applications wishing |
| //! to only make a few HTTP requests, the [`reqwest::blocking`](blocking) API |
| //! may be more convenient. |
| //! |
| //! Additional learning resources include: |
| //! |
| //! - [The Rust Cookbook](https://rust-lang-nursery.github.io/rust-cookbook/web/clients.html) |
| //! - [Reqwest Repository Examples](https://github.com/seanmonstar/reqwest/tree/master/examples) |
| //! |
| //! ## Making a GET request |
| //! |
| //! For a single request, you can use the [`get`][get] shortcut method. |
| //! |
| //! ```rust |
| //! # async fn run() -> Result<(), reqwest::Error> { |
| //! let body = reqwest::get("https://www.rust-lang.org") |
| //! .await? |
| //! .text() |
| //! .await?; |
| //! |
| //! println!("body = {:?}", body); |
| //! # Ok(()) |
| //! # } |
| //! ``` |
| //! |
| //! **NOTE**: If you plan to perform multiple requests, it is best to create a |
| //! [`Client`][client] and reuse it, taking advantage of keep-alive connection |
| //! pooling. |
| //! |
| //! ## Making POST requests (or setting request bodies) |
| //! |
| //! There are several ways you can set the body of a request. The basic one is |
| //! by using the `body()` method of a [`RequestBuilder`][builder]. This lets you set the |
| //! exact raw bytes of what the body should be. It accepts various types, |
| //! including `String` and `Vec<u8>`. If you wish to pass a custom |
| //! type, you can use the `reqwest::Body` constructors. |
| //! |
| //! ```rust |
| //! # use reqwest::Error; |
| //! # |
| //! # async fn run() -> Result<(), Error> { |
| //! let client = reqwest::Client::new(); |
| //! let res = client.post("http://httpbin.org/post") |
| //! .body("the exact body that is sent") |
| //! .send() |
| //! .await?; |
| //! # Ok(()) |
| //! # } |
| //! ``` |
| //! |
| //! ### Forms |
| //! |
| //! It's very common to want to send form data in a request body. This can be |
| //! done with any type that can be serialized into form data. |
| //! |
| //! This can be an array of tuples, or a `HashMap`, or a custom type that |
| //! implements [`Serialize`][serde]. |
| //! |
| //! ```rust |
| //! # use reqwest::Error; |
| //! # |
| //! # async fn run() -> Result<(), Error> { |
| //! // This will POST a body of `foo=bar&baz=quux` |
| //! let params = [("foo", "bar"), ("baz", "quux")]; |
| //! let client = reqwest::Client::new(); |
| //! let res = client.post("http://httpbin.org/post") |
| //! .form(&params) |
| //! .send() |
| //! .await?; |
| //! # Ok(()) |
| //! # } |
| //! ``` |
| //! |
| //! ### JSON |
| //! |
| //! There is also a `json` method helper on the [`RequestBuilder`][builder] that works in |
| //! a similar fashion the `form` method. It can take any value that can be |
| //! serialized into JSON. The feature `json` is required. |
| //! |
| //! ```rust |
| //! # use reqwest::Error; |
| //! # use std::collections::HashMap; |
| //! # |
| //! # #[cfg(feature = "json")] |
| //! # async fn run() -> Result<(), Error> { |
| //! // This will POST a body of `{"lang":"rust","body":"json"}` |
| //! let mut map = HashMap::new(); |
| //! map.insert("lang", "rust"); |
| //! map.insert("body", "json"); |
| //! |
| //! let client = reqwest::Client::new(); |
| //! let res = client.post("http://httpbin.org/post") |
| //! .json(&map) |
| //! .send() |
| //! .await?; |
| //! # Ok(()) |
| //! # } |
| //! ``` |
| //! |
| //! ## Redirect Policies |
| //! |
| //! By default, a `Client` will automatically handle HTTP redirects, having a |
| //! maximum redirect chain of 10 hops. To customize this behavior, a |
| //! [`redirect::Policy`][redirect] can be used with a `ClientBuilder`. |
| //! |
| //! ## Cookies |
| //! |
| //! The automatic storing and sending of session cookies can be enabled with |
| //! the [`cookie_store`][ClientBuilder::cookie_store] method on `ClientBuilder`. |
| //! |
| //! ## Proxies |
| //! |
| //! **NOTE**: System proxies are enabled by default. |
| //! |
| //! System proxies look in environment variables to set HTTP or HTTPS proxies. |
| //! |
| //! `HTTP_PROXY` or `http_proxy` provide http proxies for http connections while |
| //! `HTTPS_PROXY` or `https_proxy` provide HTTPS proxies for HTTPS connections. |
| //! |
| //! These can be overwritten by adding a [`Proxy`](Proxy) to `ClientBuilder` |
| //! i.e. `let proxy = reqwest::Proxy::http("https://secure.example")?;` |
| //! or disabled by calling `ClientBuilder::no_proxy()`. |
| //! |
| //! `socks` feature is required if you have configured socks proxy like this: |
| //! |
| //! ```bash |
| //! export https_proxy=socks5://127.0.0.1:1086 |
| //! ``` |
| //! |
| //! ## TLS |
| //! |
| //! By default, a `Client` will make use of system-native transport layer |
| //! security to connect to HTTPS destinations. This means schannel on Windows, |
| //! Security-Framework on macOS, and OpenSSL on Linux. |
| //! |
| //! - Additional X509 certificates can be configured on a `ClientBuilder` with the |
| //! [`Certificate`](Certificate) type. |
| //! - Client certificates can be added to a `ClientBuilder` with the |
| //! [`Identity`][Identity] type. |
| //! - Various parts of TLS can also be configured or even disabled on the |
| //! `ClientBuilder`. |
| //! |
| //! ## Optional Features |
| //! |
| //! The following are a list of [Cargo features][cargo-features] that can be |
| //! enabled or disabled: |
| //! |
| //! - **default-tls** *(enabled by default)*: Provides TLS support to connect |
| //! over HTTPS. |
| //! - **native-tls**: Enables TLS functionality provided by `native-tls`. |
| //! - **native-tls-vendored**: Enables the `vendored` feature of `native-tls`. |
| //! - **native-tls-alpn**: Enables the `alpn` feature of `native-tls`. |
| //! - **rustls-tls**: Enables TLS functionality provided by `rustls`. |
| //! Equivalent to `rustls-tls-webpki-roots`. |
| //! - **rustls-tls-manual-roots**: Enables TLS functionality provided by `rustls`, |
| //! without setting any root certificates. Roots have to be specified manually. |
| //! - **rustls-tls-webpki-roots**: Enables TLS functionality provided by `rustls`, |
| //! while using root certificates from the `webpki-roots` crate. |
| //! - **rustls-tls-native-roots**: Enables TLS functionality provided by `rustls`, |
| //! while using root certificates from the `rustls-native-certs` crate. |
| //! - **blocking**: Provides the [blocking][] client API. |
| //! - **cookies**: Provides cookie session support. |
| //! - **gzip**: Provides response body gzip decompression. |
| //! - **brotli**: Provides response body brotli decompression. |
| //! - **deflate**: Provides response body deflate decompression. |
| //! - **json**: Provides serialization and deserialization for JSON bodies. |
| //! - **multipart**: Provides functionality for multipart forms. |
| //! - **stream**: Adds support for `futures::Stream`. |
| //! - **socks**: Provides SOCKS5 proxy support. |
| //! - **trust-dns**: Enables a trust-dns async resolver instead of default |
| //! threadpool using `getaddrinfo`. |
| //! |
| //! ## Unstable Features |
| //! |
| //! Some feature flags require additional opt-in by the application, by setting |
| //! a `reqwest_unstable` flag. |
| //! |
| //! - **http3** *(unstable)*: Enables support for sending HTTP/3 requests. |
| //! |
| //! These features are unstable, and experimental. Details about them may be |
| //! changed in patch releases. |
| //! |
| //! You can pass such a flag to the compiler via `.cargo/config`, or |
| //! environment variables, such as: |
| //! |
| //! ```notrust |
| //! RUSTFLAGS="--cfg reqwest_unstable" cargo build |
| //! ``` |
| //! |
| //! [hyper]: http://hyper.rs |
| //! [blocking]: ./blocking/index.html |
| //! [client]: ./struct.Client.html |
| //! [response]: ./struct.Response.html |
| //! [get]: ./fn.get.html |
| //! [builder]: ./struct.RequestBuilder.html |
| //! [serde]: http://serde.rs |
| //! [redirect]: crate::redirect |
| //! [Proxy]: ./struct.Proxy.html |
| //! [cargo-features]: https://doc.rust-lang.org/stable/cargo/reference/manifest.html#the-features-section |
| |
| </span><span class="attribute">#[cfg(all(feature = <span class="string">"http3"</span>, not(reqwest_unstable)))] |
| </span><span class="macro">compile_error!</span>( |
| <span class="string">"\ |
| The `http3` feature is unstable, and requires the \ |
| `RUSTFLAGS='--cfg reqwest_unstable'` environment variable to be set.\ |
| " |
| </span>); |
| |
| <span class="macro">macro_rules! </span>if_wasm { |
| ($(<span class="macro-nonterminal">$item</span>:item)<span class="kw-2">*</span>) => {$( |
| <span class="attribute">#[cfg(target_arch = <span class="string">"wasm32"</span>)] |
| </span><span class="macro-nonterminal">$item |
| </span>)<span class="kw-2">*</span>} |
| } |
| |
| <span class="macro">macro_rules! </span>if_hyper { |
| ($(<span class="macro-nonterminal">$item</span>:item)<span class="kw-2">*</span>) => {$( |
| <span class="attribute">#[cfg(not(target_arch = <span class="string">"wasm32"</span>))] |
| </span><span class="macro-nonterminal">$item |
| </span>)<span class="kw-2">*</span>} |
| } |
| |
| <span class="kw">pub use </span>http::header; |
| <span class="kw">pub use </span>http::Method; |
| <span class="kw">pub use </span>http::{StatusCode, Version}; |
| <span class="kw">pub use </span>url::Url; |
| |
| <span class="comment">// universal mods |
| </span><span class="attribute">#[macro_use] |
| </span><span class="kw">mod </span>error; |
| <span class="kw">mod </span>into_url; |
| <span class="kw">mod </span>response; |
| |
| <span class="kw">pub use </span><span class="self">self</span>::error::{Error, <span class="prelude-ty">Result</span>}; |
| <span class="kw">pub use </span><span class="self">self</span>::into_url::IntoUrl; |
| <span class="kw">pub use </span><span class="self">self</span>::response::ResponseBuilderExt; |
| |
| <span class="doccomment">/// Shortcut method to quickly make a `GET` request. |
| /// |
| /// See also the methods on the [`reqwest::Response`](./struct.Response.html) |
| /// type. |
| /// |
| /// **NOTE**: This function creates a new internal `Client` on each call, |
| /// and so should not be used if making many requests. Create a |
| /// [`Client`](./struct.Client.html) instead. |
| /// |
| /// # Examples |
| /// |
| /// ```rust |
| /// # async fn run() -> Result<(), reqwest::Error> { |
| /// let body = reqwest::get("https://www.rust-lang.org").await? |
| /// .text().await?; |
| /// # Ok(()) |
| /// # } |
| /// ``` |
| /// |
| /// # Errors |
| /// |
| /// This function fails if: |
| /// |
| /// - native TLS backend cannot be initialized |
| /// - supplied `Url` cannot be parsed |
| /// - there was an error while sending request |
| /// - redirect limit was exhausted |
| </span><span class="kw">pub async fn </span>get<T: IntoUrl>(url: T) -> <span class="kw">crate</span>::Result<Response> { |
| Client::builder().build()<span class="question-mark">?</span>.get(url).send().<span class="kw">await |
| </span>} |
| |
| <span class="kw">fn </span>_assert_impls() { |
| <span class="kw">fn </span>assert_send<T: Send>() {} |
| <span class="kw">fn </span>assert_sync<T: Sync>() {} |
| <span class="kw">fn </span>assert_clone<T: Clone>() {} |
| |
| assert_send::<Client>(); |
| assert_sync::<Client>(); |
| assert_clone::<Client>(); |
| |
| assert_send::<Request>(); |
| assert_send::<RequestBuilder>(); |
| |
| <span class="attribute">#[cfg(not(target_arch = <span class="string">"wasm32"</span>))] |
| </span>{ |
| assert_send::<Response>(); |
| } |
| |
| assert_send::<Error>(); |
| assert_sync::<Error>(); |
| } |
| |
| <span class="macro">if_hyper! </span>{ |
| <span class="attribute">#[cfg(test)] |
| #[macro_use] |
| </span><span class="kw">extern crate </span>doc_comment; |
| |
| <span class="attribute">#[cfg(test)] |
| </span><span class="macro">doctest!</span>(<span class="string">"../README.md"</span>); |
| |
| <span class="kw">pub use </span><span class="self">self</span>::async_impl::{ |
| Body, Client, ClientBuilder, Request, RequestBuilder, Response, Upgraded, |
| }; |
| <span class="kw">pub use </span><span class="self">self</span>::proxy::{Proxy,NoProxy}; |
| <span class="attribute">#[cfg(feature = <span class="string">"__tls"</span>)] |
| </span><span class="comment">// Re-exports, to be removed in a future release |
| </span><span class="kw">pub use </span>tls::{Certificate, Identity}; |
| <span class="attribute">#[cfg(feature = <span class="string">"multipart"</span>)] |
| </span><span class="kw">pub use </span><span class="self">self</span>::async_impl::multipart; |
| |
| |
| <span class="kw">mod </span>async_impl; |
| <span class="attribute">#[cfg(feature = <span class="string">"blocking"</span>)] |
| </span><span class="kw">pub mod </span>blocking; |
| <span class="kw">mod </span>connect; |
| <span class="attribute">#[cfg(feature = <span class="string">"cookies"</span>)] |
| </span><span class="kw">pub mod </span>cookie; |
| <span class="kw">pub mod </span>dns; |
| <span class="kw">mod </span>proxy; |
| <span class="kw">pub mod </span>redirect; |
| <span class="attribute">#[cfg(feature = <span class="string">"__tls"</span>)] |
| </span><span class="kw">pub mod </span>tls; |
| <span class="kw">mod </span>util; |
| } |
| |
| <span class="macro">if_wasm! </span>{ |
| <span class="kw">mod </span>wasm; |
| <span class="kw">mod </span>util; |
| |
| <span class="kw">pub use </span><span class="self">self</span>::wasm::{Body, Client, ClientBuilder, Request, RequestBuilder, Response}; |
| <span class="attribute">#[cfg(feature = <span class="string">"multipart"</span>)] |
| </span><span class="kw">pub use </span><span class="self">self</span>::wasm::multipart; |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="reqwest" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
