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fix: guard req and destination path (#359)

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sigoden 2024-02-06 17:23:18 +08:00 committed by GitHub
parent 871e8276ff
commit 3c75a9c4cc
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GPG key ID: B5690EEEBB952194
2 changed files with 41 additions and 23 deletions
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41
src/server.rs
View file

@ -71,7 +71,7 @@ pub struct Server {
impl Server {
pub fn init(args: Args, running: Arc<AtomicBool>) -> Result<Self> {
let assets_prefix = format!("{}__dufs_v{}_", args.uri_prefix, env!("CARGO_PKG_VERSION"));
let assets_prefix = format!("{}__dufs_v{}_/", args.uri_prefix, env!("CARGO_PKG_VERSION"));
let single_file_req_paths = if args.path_is_file {
vec![
args.uri_prefix.to_string(),
@ -144,6 +144,10 @@ impl Server {
let headers = req.headers();
let method = req.method().clone();
if guard_path(req_path, &mut res) {
return Ok(res);
}
if method == Method::GET && self.handle_assets(req_path, headers, &mut res).await? {
return Ok(res);
}
@ -713,7 +717,12 @@ impl Server {
match self.args.assets.as_ref() {
Some(assets_path) => {
let path = assets_path.join(name);
self.handle_send_file(&path, headers, false, res).await?;
if path.exists() {
self.handle_send_file(&path, headers, false, res).await?;
} else {
status_not_found(res);
return Ok(true);
}
}
None => match name {
"index.js" => {
@ -1153,7 +1162,10 @@ impl Server {
fn extract_dest(&self, req: &Request, res: &mut Response) -> Option<PathBuf> {
let headers = req.headers();
let dest_path = match self.extract_destination_header(headers) {
let dest_path = match self
.extract_destination_header(headers)
.and_then(|dest| self.resolve_path(&dest))
{
Some(dest) => dest,
None => {
*res.status_mut() = StatusCode::BAD_REQUEST;
@ -1161,19 +1173,15 @@ impl Server {
}
};
let relative_path = match self.resolve_path(&dest_path) {
Some(v) => v,
None => {
*res.status_mut() = StatusCode::BAD_REQUEST;
return None;
}
};
if guard_path(&dest_path, res) {
return None;
}
let authorization = headers.get(AUTHORIZATION);
let guard = self
.args
.auth
.guard(&relative_path, req.method(), authorization);
.guard(&dest_path, req.method(), authorization);
match guard {
(_, Some(_)) => {}
@ -1183,7 +1191,7 @@ impl Server {
}
};
let dest = match self.join_path(&relative_path) {
let dest = match self.join_path(&dest_path) {
Some(dest) => dest,
None => {
*res.status_mut() = StatusCode::BAD_REQUEST;
@ -1690,3 +1698,12 @@ fn parse_upload_offset(headers: &HeaderMap<HeaderValue>, size: u64) -> Result<Op
let (start, _) = parse_range(value, size).ok_or_else(err)?;
Ok(Some(start))
}
fn guard_path(path: &str, res: &mut Response) -> bool {
let path = Path::new(path);
if path.components().any(|v| v.as_os_str() == "..") {
status_bad_request(res, "");
return true;
}
false
}

23
tests/assets.rs
View file

@ -11,10 +11,11 @@ use std::process::{Command, Stdio};
fn assets(server: TestServer) -> Result<(), Error> {
let ver = env!("CARGO_PKG_VERSION");
let resp = reqwest::blocking::get(server.url())?;
let index_js = format!("/__dufs_v{ver}_index.js");
let index_css = format!("/__dufs_v{ver}_index.css");
let favicon_ico = format!("/__dufs_v{ver}_favicon.ico");
let index_js = format!("/__dufs_v{ver}_/index.js");
let index_css = format!("/__dufs_v{ver}_/index.css");
let favicon_ico = format!("/__dufs_v{ver}_/favicon.ico");
let text = resp.text()?;
println!("{text}");
assert!(text.contains(&format!(r#"href="{index_css}""#)));
assert!(text.contains(&format!(r#"href="{favicon_ico}""#)));
assert!(text.contains(&format!(r#"src="{index_js}""#)));
@ -24,7 +25,7 @@ fn assets(server: TestServer) -> Result<(), Error> {
#[rstest]
fn asset_js(server: TestServer) -> Result<(), Error> {
let url = format!(
"{}__dufs_v{}_index.js",
"{}__dufs_v{}_/index.js",
server.url(),
env!("CARGO_PKG_VERSION")
);
@ -40,7 +41,7 @@ fn asset_js(server: TestServer) -> Result<(), Error> {
#[rstest]
fn asset_css(server: TestServer) -> Result<(), Error> {
let url = format!(
"{}__dufs_v{}_index.css",
"{}__dufs_v{}_/index.css",
server.url(),
env!("CARGO_PKG_VERSION")
);
@ -56,7 +57,7 @@ fn asset_css(server: TestServer) -> Result<(), Error> {
#[rstest]
fn asset_ico(server: TestServer) -> Result<(), Error> {
let url = format!(
"{}__dufs_v{}_favicon.ico",
"{}__dufs_v{}_/favicon.ico",
server.url(),
env!("CARGO_PKG_VERSION")
);
@ -70,9 +71,9 @@ fn asset_ico(server: TestServer) -> Result<(), Error> {
fn assets_with_prefix(#[with(&["--path-prefix", "xyz"])] server: TestServer) -> Result<(), Error> {
let ver = env!("CARGO_PKG_VERSION");
let resp = reqwest::blocking::get(format!("{}xyz/", server.url()))?;
let index_js = format!("/xyz/__dufs_v{ver}_index.js");
let index_css = format!("/xyz/__dufs_v{ver}_index.css");
let favicon_ico = format!("/xyz/__dufs_v{ver}_favicon.ico");
let index_js = format!("/xyz/__dufs_v{ver}_/index.js");
let index_css = format!("/xyz/__dufs_v{ver}_/index.css");
let favicon_ico = format!("/xyz/__dufs_v{ver}_/favicon.ico");
let text = resp.text()?;
assert!(text.contains(&format!(r#"href="{index_css}""#)));
assert!(text.contains(&format!(r#"href="{favicon_ico}""#)));
@ -85,7 +86,7 @@ fn asset_js_with_prefix(
#[with(&["--path-prefix", "xyz"])] server: TestServer,
) -> Result<(), Error> {
let url = format!(
"{}xyz/__dufs_v{}_index.js",
"{}xyz/__dufs_v{}_/index.js",
server.url(),
env!("CARGO_PKG_VERSION")
);
@ -114,7 +115,7 @@ fn assets_override(tmpdir: TempDir, port: u16) -> Result<(), Error> {
let url = format!("http://localhost:{port}");
let resp = reqwest::blocking::get(&url)?;
assert!(resp.text()?.starts_with(&format!(
"/__dufs_v{}_index.js;DATA",
"/__dufs_v{}_/index.js;DATA",
env!("CARGO_PKG_VERSION")
)));
let resp = reqwest::blocking::get(&url)?;