100 lines
2.8 KiB
Rust
100 lines
2.8 KiB
Rust
use std::{fmt::Debug, mem};
|
|
|
|
use bytes::BytesMut;
|
|
use conduwuit::{Err, Result, debug_error, err, trace, utils, warn};
|
|
use reqwest::Client;
|
|
use ruma::api::{
|
|
IncomingResponse, MatrixVersion, OutgoingRequest, SendAccessToken, appservice::Registration,
|
|
};
|
|
|
|
/// Sends a request to an appservice
|
|
///
|
|
/// Only returns Ok(None) if there is no url specified in the appservice
|
|
/// registration file
|
|
pub(crate) async fn send_request<T>(
|
|
client: &Client,
|
|
registration: Registration,
|
|
request: T,
|
|
) -> Result<Option<T::IncomingResponse>>
|
|
where
|
|
T: OutgoingRequest + Debug + Send,
|
|
{
|
|
const VERSIONS: [MatrixVersion; 1] = [MatrixVersion::V1_7];
|
|
|
|
let Some(dest) = registration.url else {
|
|
return Ok(None);
|
|
};
|
|
|
|
if dest == *"null" || dest.is_empty() {
|
|
return Ok(None);
|
|
}
|
|
|
|
trace!("Appservice URL \"{dest}\", Appservice ID: {}", registration.id);
|
|
|
|
let hs_token = registration.hs_token.as_str();
|
|
let mut http_request = request
|
|
.try_into_http_request::<BytesMut>(
|
|
&dest,
|
|
SendAccessToken::IfRequired(hs_token),
|
|
&VERSIONS,
|
|
)
|
|
.map_err(|e| {
|
|
err!(BadServerResponse(
|
|
warn!(appservice = %registration.id, "Failed to find destination {dest}: {e:?}")
|
|
))
|
|
})?
|
|
.map(BytesMut::freeze);
|
|
|
|
let mut parts = http_request.uri().clone().into_parts();
|
|
let old_path_and_query = parts.path_and_query.unwrap().as_str().to_owned();
|
|
let symbol = if old_path_and_query.contains('?') { "&" } else { "?" };
|
|
|
|
parts.path_and_query = Some(
|
|
(old_path_and_query + symbol + "access_token=" + hs_token)
|
|
.parse()
|
|
.unwrap(),
|
|
);
|
|
*http_request.uri_mut() = parts.try_into().expect("our manipulation is always valid");
|
|
|
|
let reqwest_request = reqwest::Request::try_from(http_request)?;
|
|
|
|
let mut response = client.execute(reqwest_request).await.map_err(|e| {
|
|
warn!("Could not send request to appservice \"{}\" at {dest}: {e:?}", registration.id);
|
|
e
|
|
})?;
|
|
|
|
// reqwest::Response -> http::Response conversion
|
|
let status = response.status();
|
|
let mut http_response_builder = http::Response::builder()
|
|
.status(status)
|
|
.version(response.version());
|
|
mem::swap(
|
|
response.headers_mut(),
|
|
http_response_builder
|
|
.headers_mut()
|
|
.expect("http::response::Builder is usable"),
|
|
);
|
|
|
|
let body = response.bytes().await?; // TODO: handle timeout
|
|
|
|
if !status.is_success() {
|
|
debug_error!("Appservice response bytes: {:?}", utils::string_from_bytes(&body));
|
|
return Err!(BadServerResponse(warn!(
|
|
"Appservice \"{}\" returned unsuccessful HTTP response {status} at {dest}",
|
|
registration.id
|
|
)));
|
|
}
|
|
|
|
let response = T::IncomingResponse::try_from_http_response(
|
|
http_response_builder
|
|
.body(body)
|
|
.expect("reqwest body is valid http body"),
|
|
);
|
|
|
|
response.map(Some).map_err(|e| {
|
|
err!(BadServerResponse(warn!(
|
|
"Appservice \"{}\" returned invalid/malformed response bytes {dest}: {e}",
|
|
registration.id
|
|
)))
|
|
})
|
|
}
|