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feat: add mime and cache headers to response

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This commit is contained in:
sigoden 2022-05-30 11:22:28 +08:00
parent a263d18963
commit d8d5aae898
4 changed files with 70 additions and 13 deletions
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20
Cargo.lock generated
View file

@ -306,6 +306,7 @@ dependencies = [
"headers",
"hyper",
"log",
"mime_guess",
"percent-encoding",
"serde",
"serde_json",
@ -636,6 +637,16 @@ version = "0.3.16"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2a60c7ce501c71e03a9c9c0d35b861413ae925bd979cc7a4e30d060069aaac8d"
[[package]]
name = "mime_guess"
version = "2.0.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4192263c238a5f0d0c6bfd21f336a313a4ce1c450542449ca191bb657b4642ef"
dependencies = [
"mime",
"unicase",
]
[[package]]
name = "miniz_oxide"
version = "0.5.1"
@ -991,6 +1002,15 @@ version = "1.15.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dcf81ac59edc17cc8697ff311e8f5ef2d99fcbd9817b34cec66f90b6c3dfd987"
[[package]]
name = "unicase"
version = "2.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
dependencies = [
"version_check",
]
[[package]]
name = "unicode-ident"
version = "1.0.0"

1
Cargo.toml
View file

@ -26,6 +26,7 @@ simple_logger = "2.1.0"
async_zip = "0.0.7"
async-walkdir = "0.2.0"
headers = "0.3.7"
mime_guess = "2.0.4"
[profile.release]
lto = true

2
src/index.html
View file

@ -4,7 +4,7 @@
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width" />
<title>Duf</title>
<title>Duf file server</title>
__STYLE__
</head>
<body>

60
src/server.rs
View file

@ -5,7 +5,10 @@ use async_zip::write::{EntryOptions, ZipFileWriter};
use async_zip::Compression;
use futures::stream::StreamExt;
use futures::TryStreamExt;
use headers::{AccessControlAllowHeaders, AccessControlAllowOrigin, HeaderMapExt};
use headers::{
AccessControlAllowHeaders, AccessControlAllowOrigin, ContentType, ETag, HeaderMapExt,
IfModifiedSince, IfNoneMatch, LastModified,
};
use hyper::header::{HeaderValue, ACCEPT, CONTENT_TYPE, ORIGIN, RANGE, WWW_AUTHENTICATE};
use hyper::service::{make_service_fn, service_fn};
use hyper::{Body, Method, StatusCode};
@ -121,7 +124,7 @@ impl InnerService {
}
self.handle_ls_dir(path.as_path(), true).await
} else {
self.handle_send_file(path.as_path()).await
self.handle_send_file(&req, path.as_path()).await
}
}
Err(_) => {
@ -234,11 +237,42 @@ impl InnerService {
Ok(Response::new(body))
}
async fn handle_send_file(&self, path: &Path) -> BoxResult<Response> {
let file = fs::File::open(path).await?;
async fn handle_send_file(&self, req: &Request, path: &Path) -> BoxResult<Response> {
let (file, meta) = tokio::join!(fs::File::open(path), fs::metadata(path),);
let (file, meta) = (file?, meta?);
let mut res = Response::default();
if let Ok(mtime) = meta.modified() {
let mtime_value = get_timestamp(&mtime);
let size = meta.len();
let etag = format!(r#""{}-{}""#, mtime_value, size)
.parse::<ETag>()
.unwrap();
let last_modified = LastModified::from(mtime);
let fresh = {
// `If-None-Match` takes presedence over `If-Modified-Since`.
if let Some(if_none_match) = req.headers().typed_get::<IfNoneMatch>() {
!if_none_match.precondition_passes(&etag)
} else if let Some(if_modified_since) = req.headers().typed_get::<IfModifiedSince>()
{
!if_modified_since.is_modified(mtime)
} else {
false
}
};
res.headers_mut().typed_insert(last_modified);
res.headers_mut().typed_insert(etag);
if fresh {
*res.status_mut() = StatusCode::NOT_MODIFIED;
return Ok(res);
}
}
if let Some(mime) = mime_guess::from_path(&path).first() {
res.headers_mut().typed_insert(ContentType::from(mime));
}
let stream = FramedRead::new(file, BytesCodec::new());
let body = Body::wrap_stream(stream);
Ok(Response::new(body))
*res.body_mut() = body;
Ok(res)
}
fn send_index(&self, path: &Path, mut paths: Vec<PathItem>) -> BoxResult<Response> {
@ -254,7 +288,7 @@ impl InnerService {
INDEX_HTML.replace("__STYLE__", &format!("<style>\n{}</style>", INDEX_CSS));
output = output.replace("__DATA__", &data);
Ok(hyper::Response::builder().body(output.into()).unwrap())
Ok(Response::new(output.into()))
}
fn auth_guard(&self, req: &Request) -> BoxResult<bool> {
@ -311,7 +345,7 @@ struct IndexData {
struct PathItem {
path_type: PathType,
name: String,
mtime: Option<u64>,
mtime: u64,
size: Option<u64>,
}
@ -336,11 +370,7 @@ async fn get_path_item<P: AsRef<Path>>(path: P, base_path: P) -> BoxResult<PathI
(true, false) => PathType::SymlinkFile,
(false, false) => PathType::File,
};
let mtime = meta
.modified()?
.duration_since(SystemTime::UNIX_EPOCH)
.ok()
.map(|v| v.as_millis() as u64);
let mtime = get_timestamp(&meta.modified()?);
let size = match path_type {
PathType::Dir | PathType::SymlinkDir => None,
PathType::File | PathType::SymlinkFile => Some(meta.len()),
@ -354,6 +384,12 @@ async fn get_path_item<P: AsRef<Path>>(path: P, base_path: P) -> BoxResult<PathI
})
}
fn get_timestamp(time: &SystemTime) -> u64 {
time.duration_since(SystemTime::UNIX_EPOCH)
.unwrap()
.as_millis() as u64
}
fn normalize_path<P: AsRef<Path>>(path: P) -> String {
let path = path.as_ref().to_str().unwrap_or_default();
if cfg!(windows) {