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denoland-deno/ext/fetch/fs_fetch_handler.rs
Ryan Dahl e0cfc9da39
Revert "refactor(fetch): reimplement fetch with hyper instead of reqwest (#24237)" (#24574)
This reverts commit f6fd6619e7.

I'm seeing a difference between canary and 1.45.2. In
`deno-docs/reference_gen` I can't download dax when running `deno task
types`

```
~/src/deno-docs/reference_gen# deno upgrade --canary
Looking up latest canary version
Found latest version f6fd6619e7
Downloading https://dl.deno.land/canary/f6fd6619e708a515831f707438368d81b0c9aa56/deno-aarch64-apple-darwin.zip
Deno is upgrading to version f6fd6619e7
Archive:  /var/folders/9v/kys6gqns6kl8nksyn4l1f9v40000gn/T/.tmpb5lDnq/deno.zip
  inflating: deno
Upgraded successfully

~/src/deno-docs/reference_gen# deno -v
deno 1.45.2+f6fd661

~/src/deno-docs/reference_gen# rm -rf /Users/ry/Library/Caches/deno

~/src/deno-docs/reference_gen# deno task types
Task types deno task types:deno && deno task types:node
Task types:deno deno run --allow-read --allow-write --allow-run --allow-env --allow-sys deno-docs.ts
error: JSR package manifest for '@david/dax' failed to load. expected value at line 1 column 1
    at file:///Users/ry/src/deno-docs/reference_gen/deno-docs.ts:2:15

~/src/deno-docs/reference_gen# deno upgrade --version 1.45.2
Downloading https://github.com/denoland/deno/releases/download/v1.45.2/deno-aarch64-apple-darwin.zip
Deno is upgrading to version 1.45.2
Archive:  /var/folders/9v/kys6gqns6kl8nksyn4l1f9v40000gn/T/.tmp3R7uhF/deno.zip
  inflating: deno
Upgraded successfully

~/src/deno-docs/reference_gen# rm -rf /Users/ry/Library/Caches/deno

~/src/deno-docs/reference_gen# deno task types
Task types deno task types:deno && deno task types:node
Task types:deno deno run --allow-read --allow-write --allow-run --allow-env --allow-sys deno-docs.ts
Task types:node deno run --allow-read --allow-write=. --allow-env --allow-sys node-docs.ts
```
2024-07-13 21:08:23 +00:00

49 lines
1.4 KiB
Rust

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use crate::CancelHandle;
use crate::CancelableResponseFuture;
use crate::FetchHandler;
use deno_core::error::type_error;
use deno_core::futures::FutureExt;
use deno_core::futures::TryFutureExt;
use deno_core::url::Url;
use deno_core::CancelFuture;
use deno_core::OpState;
use reqwest::StatusCode;
use std::rc::Rc;
use tokio_util::io::ReaderStream;
/// An implementation which tries to read file URLs from the file system via
/// tokio::fs.
#[derive(Clone)]
pub struct FsFetchHandler;
impl FetchHandler for FsFetchHandler {
fn fetch_file(
&self,
_state: &mut OpState,
url: Url,
) -> (CancelableResponseFuture, Option<Rc<CancelHandle>>) {
let cancel_handle = CancelHandle::new_rc();
let response_fut = async move {
let path = url.to_file_path()?;
let file = tokio::fs::File::open(path).map_err(|_| ()).await?;
let stream = ReaderStream::new(file);
let body = reqwest::Body::wrap_stream(stream);
let response = http::Response::builder()
.status(StatusCode::OK)
.body(body)
.map_err(|_| ())?
.into();
Ok::<_, ()>(response)
}
.map_err(move |_| {
type_error("NetworkError when attempting to fetch resource.")
})
.or_cancel(&cancel_handle)
.boxed_local();
(response_fut, Some(cancel_handle))
}
}