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c03fb6c71b8bd1fa89690ea2c110de2fa5abd942
serai/common/request/src/lib.rs

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Replace reqwest with simple-request reqwest was replaced with hyper and hyper-rustls within monero-serai due to reqwest *solely* offering a connection pool API. In the process, it was demonstrated how quickly we can achieve equivalent functionality to reqwest for our use cases with a fraction of the code. This adds our own reqwest alternative to the tree, applying it to both bitcoin-serai and message-queue. By doing so, bitcoin-serai decreases its tree by 21 packages and the processor by 18. Cargo.lock decreases by 8 dependencies, solely adding simple-request. Notably removed is openssl-sys and openssl. One noted decrease functionality is the requirement on the system having installed CA certificates. While we could fallback to the rustls certificates if the system doesn't have any, that's blocked by https://github.com/rustls/hyper-rustls/pulls/228.
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#![cfg_attr(docsrs, feature(doc_auto_cfg))]
#![doc = include_str!("../README.md")]
Move monero-serai to simple-request Deduplicates code across the entire repo, letting us make improvements in a single place.
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use std::sync::Arc;
use tokio::sync::Mutex;
Replace reqwest with simple-request reqwest was replaced with hyper and hyper-rustls within monero-serai due to reqwest *solely* offering a connection pool API. In the process, it was demonstrated how quickly we can achieve equivalent functionality to reqwest for our use cases with a fraction of the code. This adds our own reqwest alternative to the tree, applying it to both bitcoin-serai and message-queue. By doing so, bitcoin-serai decreases its tree by 21 packages and the processor by 18. Cargo.lock decreases by 8 dependencies, solely adding simple-request. Notably removed is openssl-sys and openssl. One noted decrease functionality is the requirement on the system having installed CA certificates. While we could fallback to the rustls certificates if the system doesn't have any, that's blocked by https://github.com/rustls/hyper-rustls/pulls/228.
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use hyper_rustls::{HttpsConnectorBuilder, HttpsConnector};
Move monero-serai to simple-request Deduplicates code across the entire repo, letting us make improvements in a single place.
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use hyper::{
Uri,
header::HeaderValue,
body::Body,
service::Service,
client::{HttpConnector, conn::http1::SendRequest},
};
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pub use hyper;
mod request;
pub use request::*;
mod response;
pub use response::*;
Replace reqwest with simple-request reqwest was replaced with hyper and hyper-rustls within monero-serai due to reqwest *solely* offering a connection pool API. In the process, it was demonstrated how quickly we can achieve equivalent functionality to reqwest for our use cases with a fraction of the code. This adds our own reqwest alternative to the tree, applying it to both bitcoin-serai and message-queue. By doing so, bitcoin-serai decreases its tree by 21 packages and the processor by 18. Cargo.lock decreases by 8 dependencies, solely adding simple-request. Notably removed is openssl-sys and openssl. One noted decrease functionality is the requirement on the system having installed CA certificates. While we could fallback to the rustls certificates if the system doesn't have any, that's blocked by https://github.com/rustls/hyper-rustls/pulls/228.
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#[derive(Debug)]
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pub enum Error {
InvalidUri,
Move monero-serai to simple-request Deduplicates code across the entire repo, letting us make improvements in a single place.
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MissingHost,
InconsistentHost,
SslError,
Don't default to basic-auth if it's enabled, yet require it to be specified
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Hyper(hyper::Error),
Replace reqwest with simple-request reqwest was replaced with hyper and hyper-rustls within monero-serai due to reqwest *solely* offering a connection pool API. In the process, it was demonstrated how quickly we can achieve equivalent functionality to reqwest for our use cases with a fraction of the code. This adds our own reqwest alternative to the tree, applying it to both bitcoin-serai and message-queue. By doing so, bitcoin-serai decreases its tree by 21 packages and the processor by 18. Cargo.lock decreases by 8 dependencies, solely adding simple-request. Notably removed is openssl-sys and openssl. One noted decrease functionality is the requirement on the system having installed CA certificates. While we could fallback to the rustls certificates if the system doesn't have any, that's blocked by https://github.com/rustls/hyper-rustls/pulls/228.
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}
#[derive(Clone, Debug)]
enum Connection {
ConnectionPool(hyper::Client<HttpsConnector<HttpConnector>>),
Move monero-serai to simple-request Deduplicates code across the entire repo, letting us make improvements in a single place.
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Connection {
https_builder: HttpsConnector<HttpConnector>,
host: Uri,
connection: Arc<Mutex<Option<SendRequest<Body>>>>,
},
Replace reqwest with simple-request reqwest was replaced with hyper and hyper-rustls within monero-serai due to reqwest *solely* offering a connection pool API. In the process, it was demonstrated how quickly we can achieve equivalent functionality to reqwest for our use cases with a fraction of the code. This adds our own reqwest alternative to the tree, applying it to both bitcoin-serai and message-queue. By doing so, bitcoin-serai decreases its tree by 21 packages and the processor by 18. Cargo.lock decreases by 8 dependencies, solely adding simple-request. Notably removed is openssl-sys and openssl. One noted decrease functionality is the requirement on the system having installed CA certificates. While we could fallback to the rustls certificates if the system doesn't have any, that's blocked by https://github.com/rustls/hyper-rustls/pulls/228.
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}
#[derive(Clone, Debug)]
pub struct Client {
connection: Connection,
}
impl Client {
fn https_builder() -> HttpsConnector<HttpConnector> {
HttpsConnectorBuilder::new().with_native_roots().https_or_http().enable_http1().build()
}
pub fn with_connection_pool() -> Client {
Client {
connection: Connection::ConnectionPool(hyper::Client::builder().build(Self::https_builder())),
}
}
Move monero-serai to simple-request Deduplicates code across the entire repo, letting us make improvements in a single place.
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pub fn without_connection_pool(host: String) -> Result<Client, Error> {
Ok(Client {
connection: Connection::Connection {
https_builder: HttpsConnectorBuilder::new()
.with_native_roots()
.https_or_http()
.enable_http1()
.build(),
host: {
let uri: Uri = host.parse().map_err(|_| Error::InvalidUri)?;
if uri.host().is_none() {
Err(Error::MissingHost)?;
};
uri
},
connection: Arc::new(Mutex::new(None)),
},
})
}
Replace reqwest with simple-request reqwest was replaced with hyper and hyper-rustls within monero-serai due to reqwest *solely* offering a connection pool API. In the process, it was demonstrated how quickly we can achieve equivalent functionality to reqwest for our use cases with a fraction of the code. This adds our own reqwest alternative to the tree, applying it to both bitcoin-serai and message-queue. By doing so, bitcoin-serai decreases its tree by 21 packages and the processor by 18. Cargo.lock decreases by 8 dependencies, solely adding simple-request. Notably removed is openssl-sys and openssl. One noted decrease functionality is the requirement on the system having installed CA certificates. While we could fallback to the rustls certificates if the system doesn't have any, that's blocked by https://github.com/rustls/hyper-rustls/pulls/228.
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Don't default to basic-auth if it's enabled, yet require it to be specified
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pub async fn request<R: Into<Request>>(&self, request: R) -> Result<Response, Error> {
let request: Request = request.into();
let mut request = request.0;
Move monero-serai to simple-request Deduplicates code across the entire repo, letting us make improvements in a single place.
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if let Some(header_host) = request.headers().get(hyper::header::HOST) {
match &self.connection {
Connection::ConnectionPool(_) => {}
Connection::Connection { host, .. } => {
if header_host.to_str().map_err(|_| Error::InvalidUri)? != host.host().unwrap() {
Err(Error::InconsistentHost)?;
}
}
}
} else {
let host = match &self.connection {
Connection::ConnectionPool(_) => {
request.uri().host().ok_or(Error::MissingHost)?.to_string()
}
Connection::Connection { host, .. } => {
let host_str = host.host().unwrap();
if let Some(uri_host) = request.uri().host() {
if host_str != uri_host {
Err(Error::InconsistentHost)?;
}
}
host_str.to_string()
}
};
Replace reqwest with simple-request reqwest was replaced with hyper and hyper-rustls within monero-serai due to reqwest *solely* offering a connection pool API. In the process, it was demonstrated how quickly we can achieve equivalent functionality to reqwest for our use cases with a fraction of the code. This adds our own reqwest alternative to the tree, applying it to both bitcoin-serai and message-queue. By doing so, bitcoin-serai decreases its tree by 21 packages and the processor by 18. Cargo.lock decreases by 8 dependencies, solely adding simple-request. Notably removed is openssl-sys and openssl. One noted decrease functionality is the requirement on the system having installed CA certificates. While we could fallback to the rustls certificates if the system doesn't have any, that's blocked by https://github.com/rustls/hyper-rustls/pulls/228.
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request
.headers_mut()
Don't default to basic-auth if it's enabled, yet require it to be specified
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.insert(hyper::header::HOST, HeaderValue::from_str(&host).map_err(|_| Error::InvalidUri)?);
Replace reqwest with simple-request reqwest was replaced with hyper and hyper-rustls within monero-serai due to reqwest *solely* offering a connection pool API. In the process, it was demonstrated how quickly we can achieve equivalent functionality to reqwest for our use cases with a fraction of the code. This adds our own reqwest alternative to the tree, applying it to both bitcoin-serai and message-queue. By doing so, bitcoin-serai decreases its tree by 21 packages and the processor by 18. Cargo.lock decreases by 8 dependencies, solely adding simple-request. Notably removed is openssl-sys and openssl. One noted decrease functionality is the requirement on the system having installed CA certificates. While we could fallback to the rustls certificates if the system doesn't have any, that's blocked by https://github.com/rustls/hyper-rustls/pulls/228.
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}
Ok(Response(match &self.connection {
Connection::ConnectionPool(client) => client.request(request).await.map_err(Error::Hyper)?,
Move monero-serai to simple-request Deduplicates code across the entire repo, letting us make improvements in a single place.
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Connection::Connection { https_builder, host, connection } => {
let mut connection_lock = connection.lock().await;
// If there's not a connection...
if connection_lock.is_none() {
let (requester, connection) = hyper::client::conn::http1::handshake(
https_builder.clone().call(host.clone()).await.map_err(|_| Error::SslError)?,
)
.await
.map_err(Error::Hyper)?;
// This will die when we drop the requester, so we don't need to track an AbortHandle for
// it
tokio::spawn(connection);
*connection_lock = Some(requester);
}
let connection = connection_lock.as_mut().unwrap();
let mut err = connection.ready().await.err();
if err.is_none() {
// Send the request
let res = connection.send_request(request).await;
if let Ok(res) = res {
return Ok(Response(res));
}
err = res.err();
}
// Since this connection has been put into an error state, drop it
*connection_lock = None;
Err(Error::Hyper(err.unwrap()))?
}
Replace reqwest with simple-request reqwest was replaced with hyper and hyper-rustls within monero-serai due to reqwest *solely* offering a connection pool API. In the process, it was demonstrated how quickly we can achieve equivalent functionality to reqwest for our use cases with a fraction of the code. This adds our own reqwest alternative to the tree, applying it to both bitcoin-serai and message-queue. By doing so, bitcoin-serai decreases its tree by 21 packages and the processor by 18. Cargo.lock decreases by 8 dependencies, solely adding simple-request. Notably removed is openssl-sys and openssl. One noted decrease functionality is the requirement on the system having installed CA certificates. While we could fallback to the rustls certificates if the system doesn't have any, that's blocked by https://github.com/rustls/hyper-rustls/pulls/228.
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}))
}
}
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