4 releases

0.11.16 Nov 15, 2023
0.11.15 Apr 19, 2023
0.11.14 Feb 5, 2023
0.11.12 Oct 2, 2022

#64 in HTTP client

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1,134 downloads per month
Used in 13 crates (12 directly)

MIT/Apache

525KB
10K SLoC

reqwest for WebAssembly

An ergonomic, batteries-included HTTP Client for Rust. This is a fork from the original reqwest with support for WebAssembly compilation target. That allows reqwest apps to run inside the WasmEdge Runtime as a lightweight and secure alternative to natively compiled apps in Linux container.

For more details and usage examples, please see the upstream reqwest source and these examples.

Note: We do not yet support SSL / TLS connections in reqwest_wasi yet.

  • Plain bodies, JSON, urlencoded, multipart
  • Customizable redirect policy
  • HTTP Proxies
  • Cookie Store

Example

This asynchronous example uses Tokio and enables some optional features, so your Cargo.toml could look like this:

[dependencies]
reqwest_wasi = { version = "0.11", features = ["json"] }
tokio_wasi = { version = "1.21", features = ["full"] }

And then the code:

use std::collections::HashMap;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let resp = reqwest::get("http://eu.httpbin.org/ip")
        .await?
        .json::<HashMap<String, String>>()
        .await?;
    println!("{:#?}", resp);
    Ok(())
}

Blocking Client

There is an optional "blocking" client API that can be enabled:

[dependencies]
reqwest_wasi = { version = "0.11", features = ["blocking", "json"] }
use std::collections::HashMap;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let resp = reqwest::blocking::get("http://eu.httpbin.org/ip")?
        .json::<HashMap<String, String>>()?;
    println!("{:#?}", resp);
    Ok(())
}

License

Licensed under either of

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.

Dependencies

~3–24MB
~435K SLoC