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// Copyright 2018 the Deno authors. All rights reserved. MIT license.
use errors;
use errors::{DenoError, DenoResult};
use tokio_util;
use futures;
use futures::future::Either;
use futures::{Future, Stream};
use hyper;
use hyper::client::Client;
use hyper::client::HttpConnector;
use hyper::Uri;
use hyper_rustls;
type Connector = hyper_rustls::HttpsConnector<HttpConnector>;
lazy_static! {
static ref CONNECTOR: Connector = {
let num_dns_threads = 4;
Connector::new(num_dns_threads)
};
}
pub fn get_client() -> Client<Connector, hyper::Body> {
// TODO use Hyper's connection pool.
let c = CONNECTOR.clone();
Client::builder().build(c)
}
// The CodeFetch message is used to load HTTP javascript resources and expects a
// synchronous response, this utility method supports that.
pub fn fetch_sync_string(module_name: &str) -> DenoResult<String> {
let url = module_name.parse::<Uri>().unwrap();
let client = get_client();
let fetch_future = client
.get(url)
.map_err(|err| DenoError::from(err))
.and_then(|response| {
if !response.status().is_success() {
return Either::A(futures::future::err(errors::new(
errors::ErrorKind::NotFound,
"module not found".to_string(),
)));
}
Either::B(
response
.into_body()
.concat2()
.map(|body| String::from_utf8(body.to_vec()).unwrap())
.map_err(|err| DenoError::from(err)),
)
});
tokio_util::block_on(fetch_future)
}
/* TODO(ry) Re-enabled this test. Disabling to work around bug in #782.
#[test]
fn test_fetch_sync_string() {
// Relies on external http server. See tools/http_server.py
use futures;
tokio_util::init(|| {
tokio_util::block_on(futures::future::lazy(|| -> DenoResult<()> {
let p = fetch_sync_string("http://127.0.0.1:4545/package.json")?;
println!("package.json len {}", p.len());
assert!(p.len() > 1);
Ok(())
})).unwrap();
});
}
*/
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