use thiserror::Error;
#[derive(Debug, Error)]
pub enum Error<T>
where
T: std::error::Error + 'static,
{
#[error("request failed")]
Reqwest(#[source] T),
#[error("HTTP error")]
Http(#[source] http::Error),
#[error("I/O error")]
Io(#[source] std::io::Error),
#[error("Other error: {}", _0)]
Other(String),
}
#[cfg(not(target_arch = "wasm32"))]
pub use blocking::http_client;
#[cfg(not(target_arch = "wasm32"))]
pub type HttpClientError = Error<blocking::reqwest::Error>;
pub use async_client::async_http_client;
pub type AsyncHttpClientError = Error<reqwest::Error>;
#[cfg(not(target_arch = "wasm32"))]
mod blocking {
use super::super::{HttpRequest, HttpResponse};
use super::Error;
pub use reqwest;
use reqwest::blocking;
use reqwest::redirect::Policy as RedirectPolicy;
use std::io::Read;
pub fn http_client(request: HttpRequest) -> Result<HttpResponse, Error<reqwest::Error>> {
let client = blocking::Client::builder()
.redirect(RedirectPolicy::none())
.build()
.map_err(Error::Reqwest)?;
#[cfg(feature = "reqwest")]
let mut request_builder = client
.request(request.method, request.url.as_str())
.body(request.body);
for (name, value) in &request.headers {
request_builder = request_builder.header(name.as_str(), value.as_bytes());
}
let mut response = client
.execute(request_builder.build().map_err(Error::Reqwest)?)
.map_err(Error::Reqwest)?;
let mut body = Vec::new();
response.read_to_end(&mut body).map_err(Error::Io)?;
#[cfg(feature = "reqwest")]
{
Ok(HttpResponse {
status_code: response.status(),
headers: response.headers().to_owned(),
body,
})
}
}
}
mod async_client {
use super::super::{HttpRequest, HttpResponse};
use super::Error;
pub use reqwest;
pub async fn async_http_client(
request: HttpRequest,
) -> Result<HttpResponse, Error<reqwest::Error>> {
let client = {
let builder = reqwest::Client::builder();
#[cfg(not(target_arch = "wasm32"))]
let builder = builder.redirect(reqwest::redirect::Policy::none());
builder.build().map_err(Error::Reqwest)?
};
let mut request_builder = client
.request(request.method, request.url.as_str())
.body(request.body);
for (name, value) in &request.headers {
request_builder = request_builder.header(name.as_str(), value.as_bytes());
}
let request = request_builder.build().map_err(Error::Reqwest)?;
let response = client.execute(request).await.map_err(Error::Reqwest)?;
let status_code = response.status();
let headers = response.headers().to_owned();
let chunks = response.bytes().await.map_err(Error::Reqwest)?;
Ok(HttpResponse {
status_code,
headers,
body: chunks.to_vec(),
})
}
}