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Improve FileServer rewrite API. 

Finalizes the FileServer rewrite API implementation. Primarily reworks
how the built-in rewriters are written (now as structs instead of free
functions) and reorganizes the `fs` module.

Co-authored-by: Matthew Pomes <matthew.pomes@pm.me>
This commit is contained in:
Sergio Benitez 2024-06-29 21:22:59 -05:00
parent 65e3b87d6b
commit f50b6043e8
17 changed files with 686 additions and 613 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
core/http/src/uri/segments.rs
View File

@ -178,8 +178,9 @@ impl<'a> Segments<'a, Path> {
}
/// Creates a `PathBuf` from `self`. The returned `PathBuf` is
/// percent-decoded. If a segment is equal to `..`, the previous segment (if
/// any) is skipped.
/// percent-decoded and guaranteed to be relative. If a segment is equal to
/// `.`, it is skipped. If a segment is equal to `..`, the previous segment
/// (if any) is skipped.
///
/// For security purposes, if a segment meets any of the following
/// conditions, an `Err` is returned indicating the condition met:
@ -193,7 +194,7 @@ impl<'a> Segments<'a, Path> {
/// Additionally, if `allow_dotfiles` is `false`, an `Err` is returned if
/// the following condition is met:
///
/// * Decoded segment starts with any of: `.` (except `..`)
/// * Decoded segment starts with any of: `.` (except `..` and `.`)
///
/// As a result of these conditions, a `PathBuf` derived via `FromSegments`
/// is safe to interpolate within, or use as a suffix of, a path without
@ -216,10 +217,10 @@ impl<'a> Segments<'a, Path> {
pub fn to_path_buf(&self, allow_dotfiles: bool) -> Result<PathBuf, PathError> {
let mut buf = PathBuf::new();
for segment in self.clone() {
if segment == ".." {
buf.pop();
} else if segment == "." {
if segment == "." {
continue;
} else if segment == ".." {
buf.pop();
} else if !allow_dotfiles && segment.starts_with('.') {
return Err(PathError::BadStart('.'))
} else if segment.starts_with('*') {

53
core/lib/src/fs/mod.rs
View File

@ -5,8 +5,59 @@ mod named_file;
mod temp_file;
mod file_name;
pub mod rewrite;
pub use server::*;
pub use named_file::*;
pub use temp_file::*;
pub use file_name::*;
pub use server::relative;
crate::export! {
/// Generates a crate-relative version of a path.
///
/// This macro is primarily intended for use with [`FileServer`] to serve
/// files from a path relative to the crate root.
///
/// The macro accepts one parameter, `$path`, an absolute or (preferably)
/// relative path. It returns a path as an `&'static str` prefixed with the
/// path to the crate root. Use `Path::new(relative!($path))` to retrieve an
/// `&'static Path`.
///
/// # Example
///
/// Serve files from the crate-relative `static/` directory:
///
/// ```rust
/// # #[macro_use] extern crate rocket;
/// use rocket::fs::{FileServer, relative};
///
/// #[launch]
/// fn rocket() -> _ {
/// rocket::build().mount("/", FileServer::new(relative!("static")))
/// }
/// ```
///
/// Path equivalences:
///
/// ```rust
/// use std::path::Path;
///
/// use rocket::fs::relative;
///
/// let manual = Path::new(env!("CARGO_MANIFEST_DIR")).join("static");
/// let automatic_1 = Path::new(relative!("static"));
/// let automatic_2 = Path::new(relative!("/static"));
/// assert_eq!(manual, automatic_1);
/// assert_eq!(automatic_1, automatic_2);
/// ```
///
macro_rules! relative {
($path:expr) => {
if cfg!(windows) {
concat!(env!("CARGO_MANIFEST_DIR"), "\\", $path)
} else {
concat!(env!("CARGO_MANIFEST_DIR"), "/", $path)
}
};
}
}

261
core/lib/src/fs/rewrite.rs Normal file
View File

@ -0,0 +1,261 @@
use std::borrow::Cow;
use std::path::{Path, PathBuf};
use crate::Request;
use crate::http::{ext::IntoOwned, HeaderMap};
use crate::response::Redirect;
/// A file server [`Rewrite`] rewriter.
///
/// A [`FileServer`] is a sequence of [`Rewriter`]s which transform the incoming
/// request path into a [`Rewrite`] or `None`. The first rewriter is called with
/// the request path as a [`Rewrite::File`]. Each `Rewriter` thereafter is
/// called in-turn with the previously returned [`Rewrite`], and the value
/// returned from the last `Rewriter` is used to respond to the request. If the
/// final rewrite is `None` or a nonexistent path or a directory, [`FileServer`]
/// responds with [`Status::NotFound`]. Otherwise it responds with the file
/// contents, if [`Rewrite::File`] is specified, or a redirect, if
/// [`Rewrite::Redirect`] is specified.
///
/// [`FileServer`]: super::FileServer
/// [`Status::NotFound`]: crate::http::Status::NotFound
pub trait Rewriter: Send + Sync + 'static {
/// Alter the [`Rewrite`] as needed.
fn rewrite<'r>(&self, opt: Option<Rewrite<'r>>, req: &'r Request<'_>) -> Option<Rewrite<'r>>;
}
/// A Response from a [`FileServer`](super::FileServer)
#[derive(Debug, Clone)]
#[non_exhaustive]
pub enum Rewrite<'r> {
/// Return the contents of the specified file.
File(File<'r>),
/// Returns a Redirect.
Redirect(Redirect),
}
/// A File response from a [`FileServer`](super::FileServer) and a rewriter.
#[derive(Debug, Clone)]
#[non_exhaustive]
pub struct File<'r> {
/// The path to the file that [`FileServer`](super::FileServer) will respond with.
pub path: Cow<'r, Path>,
/// A list of headers to be added to the generated response.
pub headers: HeaderMap<'r>,
}
impl<'r> File<'r> {
/// A new `File`, with not additional headers.
pub fn new(path: impl Into<Cow<'r, Path>>) -> Self {
Self { path: path.into(), headers: HeaderMap::new() }
}
/// A new `File`, with not additional headers.
///
/// # Panics
///
/// Panics if the `path` does not exist.
pub fn checked<P: AsRef<Path>>(path: P) -> Self {
let path = path.as_ref();
if !path.exists() {
let path = path.display();
error!(%path, "FileServer path does not exist.\n\
Panicking to prevent inevitable handler error.");
panic!("missing file {}: refusing to continue", path);
}
Self::new(path.to_path_buf())
}
/// Replace the path in `self` with the result of applying `f` to the path.
pub fn map_path<F, P>(self, f: F) -> Self
where F: FnOnce(Cow<'r, Path>) -> P, P: Into<Cow<'r, Path>>,
{
Self {
path: f(self.path).into(),
headers: self.headers,
}
}
/// Returns `true` if the file is a dotfile. A dotfile is a file whose
/// name or any directory in it's path start with a period (`.`) and is
/// considered hidden.
///
/// # Windows Note
///
/// This does *not* check the file metadata on any platform, so hidden files
/// on Windows will not be detected by this method.
pub fn is_hidden(&self) -> bool {
self.path.iter().any(|s| s.as_encoded_bytes().starts_with(b"."))
}
/// Returns `true` if the file is not hidden. This is the inverse of
/// [`File::is_hidden()`].
pub fn is_visible(&self) -> bool {
!self.is_hidden()
}
}
/// Prefixes all paths with a given path.
///
/// # Example
///
/// ```rust,no_run
/// use rocket::fs::FileServer;
/// use rocket::fs::rewrite::Prefix;
///
/// FileServer::identity()
/// .filter(|f, _| f.is_visible())
/// .rewrite(Prefix::checked("static"));
/// ```
pub struct Prefix(PathBuf);
impl Prefix {
/// Panics if `path` does not exist.
pub fn checked<P: AsRef<Path>>(path: P) -> Self {
let path = path.as_ref();
if !path.is_dir() {
let path = path.display();
error!(%path, "FileServer path is not a directory.");
warn!("Aborting early to prevent inevitable handler error.");
panic!("invalid directory: refusing to continue");
}
Self(path.to_path_buf())
}
/// Creates a new `Prefix` from a path.
pub fn unchecked<P: AsRef<Path>>(path: P) -> Self {
Self(path.as_ref().to_path_buf())
}
}
impl Rewriter for Prefix {
fn rewrite<'r>(&self, opt: Option<Rewrite<'r>>, _: &Request<'_>) -> Option<Rewrite<'r>> {
opt.map(|r| match r {
Rewrite::File(f) => Rewrite::File(f.map_path(|p| self.0.join(p))),
Rewrite::Redirect(r) => Rewrite::Redirect(r),
})
}
}
impl Rewriter for PathBuf {
fn rewrite<'r>(&self, _: Option<Rewrite<'r>>, _: &Request<'_>) -> Option<Rewrite<'r>> {
Some(Rewrite::File(File::new(self.clone())))
}
}
/// Normalize directories to always include a trailing slash by redirecting
/// (with a 302 temporary redirect) requests for directories without a trailing
/// slash to the same path with a trailing slash.
///
/// # Example
///
/// ```rust,no_run
/// use rocket::fs::FileServer;
/// use rocket::fs::rewrite::{Prefix, TrailingDirs};
///
/// FileServer::identity()
/// .filter(|f, _| f.is_visible())
/// .rewrite(TrailingDirs);
/// ```
pub struct TrailingDirs;
impl Rewriter for TrailingDirs {
fn rewrite<'r>(&self, opt: Option<Rewrite<'r>>, req: &Request<'_>) -> Option<Rewrite<'r>> {
if let Some(Rewrite::File(f)) = &opt {
if !req.uri().path().ends_with('/') && f.path.is_dir() {
let uri = req.uri().clone().into_owned();
let uri = uri.map_path(|p| format!("{p}/")).unwrap();
return Some(Rewrite::Redirect(Redirect::temporary(uri)));
}
}
opt
}
}
/// Rewrite a directory to a file inside of that directory.
///
/// # Example
///
/// Rewrites all directory requests to `directory/index.html`.
///
/// ```rust,no_run
/// use rocket::fs::FileServer;
/// use rocket::fs::rewrite::DirIndex;
///
/// FileServer::without_index("static")
/// .rewrite(DirIndex::if_exists("index.htm"))
/// .rewrite(DirIndex::unconditional("index.html"));
/// ```
pub struct DirIndex {
path: PathBuf,
check: bool,
}
impl DirIndex {
/// Appends `path` to every request for a directory.
pub fn unconditional(path: impl AsRef<Path>) -> Self {
Self { path: path.as_ref().to_path_buf(), check: false }
}
/// Only appends `path` to a request for a directory if the file exists.
pub fn if_exists(path: impl AsRef<Path>) -> Self {
Self { path: path.as_ref().to_path_buf(), check: true }
}
}
impl Rewriter for DirIndex {
fn rewrite<'r>(&self, opt: Option<Rewrite<'r>>, _: &Request<'_>) -> Option<Rewrite<'r>> {
match opt? {
Rewrite::File(f) if f.path.is_dir() => {
let candidate = f.path.join(&self.path);
if self.check && !candidate.is_file() {
return Some(Rewrite::File(f));
}
Some(Rewrite::File(f.map_path(|_| candidate)))
}
r => Some(r),
}
}
}
impl<'r> From<File<'r>> for Rewrite<'r> {
fn from(value: File<'r>) -> Self {
Self::File(value)
}
}
impl<'r> From<Redirect> for Rewrite<'r> {
fn from(value: Redirect) -> Self {
Self::Redirect(value)
}
}
impl<F: Send + Sync + 'static> Rewriter for F
where F: for<'r> Fn(Option<Rewrite<'r>>, &Request<'_>) -> Option<Rewrite<'r>>
{
fn rewrite<'r>(&self, f: Option<Rewrite<'r>>, r: &Request<'_>) -> Option<Rewrite<'r>> {
self(f, r)
}
}
impl Rewriter for Rewrite<'static> {
fn rewrite<'r>(&self, _: Option<Rewrite<'r>>, _: &Request<'_>) -> Option<Rewrite<'r>> {
Some(self.clone())
}
}
impl Rewriter for File<'static> {
fn rewrite<'r>(&self, _: Option<Rewrite<'r>>, _: &Request<'_>) -> Option<Rewrite<'r>> {
Some(Rewrite::File(self.clone()))
}
}
impl Rewriter for Redirect {
fn rewrite<'r>(&self, _: Option<Rewrite<'r>>, _: &Request<'_>) -> Option<Rewrite<'r>> {
Some(Rewrite::Redirect(self.clone()))
}
}

832
core/lib/src/fs/server.rs
View File

@ -1,46 +1,21 @@
use core::fmt;
use std::borrow::Cow;
use std::ffi::OsStr;
use std::path::{Path, PathBuf, MAIN_SEPARATOR_STR};
use std::fmt;
use std::path::{Path, PathBuf};
use std::sync::Arc;
use std::borrow::Cow;
use crate::fs::NamedFile;
use crate::{Data, Request, outcome::IntoOutcome};
use crate::http::{
Method,
HeaderMap,
Header,
uri::Segments,
Status,
ext::IntoOwned,
};
use crate::{response, Data, Request, Response};
use crate::outcome::IntoOutcome;
use crate::http::{uri::Segments, HeaderMap, Method, ContentType, Status};
use crate::route::{Route, Handler, Outcome};
use crate::response::{Redirect, Responder};
use crate::response::Responder;
use crate::util::Formatter;
use crate::fs::rewrite::*;
/// Custom handler for serving static files.
///
/// This handler makes is simple to serve static files from a directory on the
/// local file system. To use it, construct a `FileServer` using
/// [`FileServer::from()`], then simply `mount` the handler. When mounted, the
/// handler serves files from the specified directory. If the file is not found,
/// the handler _forwards_ the request. By default, `FileServer` has a rank of
/// `10`. Use [`FileServer::new()`] to create a route with a custom rank.
///
/// # Customization
///
/// How `FileServer` responds to specific requests can be customized, through
/// the use of [`Rewriter`]s. See [`Rewriter`] for more detailed documentation
/// on how to take full advantage of the customization of `FileServer`.
///
/// [`FileServer::from()`] and [`FileServer::new()`] automatically add some common
/// rewrites. They filter out dotfiles, redirect folder accesses to include a trailing
/// slash, and use `index.html` to respond to requests for a directory. If you want
/// to customize or replace these default rewrites, see [`FileServer::empty()`].
///
/// # Example
///
/// Serve files from the `/static` directory on the local file system at the
/// `/public` path, with the default rewrites.
/// [`FileServer::new()`], then `mount` the handler.
///
/// ```rust,no_run
/// # #[macro_use] extern crate rocket;
@ -48,7 +23,38 @@ use crate::response::{Redirect, Responder};
///
/// #[launch]
/// fn rocket() -> _ {
/// rocket::build().mount("/public", FileServer::from("/static"))
/// rocket::build()
/// .mount("/", FileServer::new("/www/static"))
/// }
/// ```
///
/// When mounted, the handler serves files from the specified path. If a
/// requested file does not exist, the handler _forwards_ the request with a
/// `404` status.
///
/// By default, the route has a rank of `10` which can be changed with
/// [`FileServer::rank()`].
///
/// # Customization
///
/// `FileServer` works through a pipeline of _rewrites_ in which a requested
/// path is transformed into a `PathBuf` via [`Segments::to_path_buf()`] and
/// piped through a series of [`Rewriter`]s to obtain a final [`Rewrite`] which
/// is then used to generate a final response. See [`Rewriter`] for complete
/// details on implementing your own `Rewriter`s.
///
/// # Example
///
/// Serve files from the `/static` directory on the local file system at the
/// `/public` path:
///
/// ```rust,no_run
/// # #[macro_use] extern crate rocket;
/// use rocket::fs::FileServer;
///
/// #[launch]
/// fn rocket() -> _ {
/// rocket::build().mount("/public", FileServer::new("/static"))
/// }
/// ```
///
@ -70,589 +76,331 @@ use crate::response::{Redirect, Responder};
///
/// #[launch]
/// fn rocket() -> _ {
/// rocket::build().mount("/", FileServer::from(relative!("static")))
/// rocket::build().mount("/", FileServer::new(relative!("static")))
/// }
/// ```
///
/// [`relative!`]: crate::fs::relative!
#[derive(Clone)]
pub struct FileServer {
rewrites: Vec<Arc<dyn Rewriter>>,
rank: isize,
}
impl fmt::Debug for FileServer {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("FileServer")
// .field("root", &self.root)
.field("rewrites", &DebugListRewrite(&self.rewrites))
.field("rank", &self.rank)
.finish()
}
}
struct DebugListRewrite<'a>(&'a Vec<Arc<dyn Rewriter>>);
impl fmt::Debug for DebugListRewrite<'_> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "<{} rewrites>", self.0.len())
}
}
/// Trait used to implement [`FileServer`] customization.
///
/// Conceptually, a [`FileServer`] is a sequence of `Rewriter`s, which transform
/// a path from a request to a final response. [`FileServer`] add a set of default
/// `Rewriter`s, which filter out dotfiles, apply a root path, normalize directories,
/// and use `index.html`.
///
/// After running the chain of `Rewriter`s,
/// [`FileServer`] uses the final [`Option<FileResponse>`](FileResponse)
/// to respond to the request. If the response is `None`, a path that doesn't
/// exist or a directory path, [`FileServer`] will respond with a
/// [`Status::NotFound`](crate::http::Status::NotFound). Otherwise the [`FileServer`]
/// will respond with a redirect or the contents of the file specified.
///
/// [`FileServer`] provides several helper methods to add `Rewriter`s:
/// - [`FileServer::and_rewrite()`]
/// - [`FileServer::filter_file()`]
/// - [`FileServer::map_file()`]
pub trait Rewriter: Send + Sync + 'static {
/// Alter the [`FileResponse`] as needed.
fn rewrite<'p, 'h>(&self, path: Option<FileResponse<'p, 'h>>, req: &Request<'_>)
-> Option<FileResponse<'p, 'h>>;
}
/// A Response from a [`FileServer`]
#[derive(Debug)]
#[non_exhaustive]
pub enum FileResponse<'p, 'h> {
/// Return the contents of the specified file.
File(File<'p, 'h>),
/// Returns a Redirect to the specified path. This needs to be an absolute
/// URI, so you should start with [`File.full_uri`](File) when constructing
/// a redirect.
Redirect(Redirect),
}
impl<'p, 'h> From<File<'p, 'h>> for FileResponse<'p, 'h> {
fn from(value: File<'p, 'h>) -> Self {
Self::File(value)
}
}
impl<'p, 'h> From<File<'p, 'h>> for Option<FileResponse<'p, 'h>> {
fn from(value: File<'p, 'h>) -> Self {
Some(FileResponse::File(value))
}
}
impl<'p, 'h> From<Redirect> for FileResponse<'p, 'h> {
fn from(value: Redirect) -> Self {
Self::Redirect(value)
}
}
impl<'p, 'h> From<Redirect> for Option<FileResponse<'p, 'h>> {
fn from(value: Redirect) -> Self {
Some(FileResponse::Redirect(value))
}
}
/// A File response from a [`FileServer`]
#[derive(Debug)]
pub struct File<'p, 'h> {
/// The path to the file that [`FileServer`] will respond with.
pub path: Cow<'p, Path>,
/// A list of headers to be added to the generated response.
pub headers: HeaderMap<'h>,
}
impl<'p, 'h> File<'p, 'h> {
/// Add a header to this `File`.
pub fn with_header<'n: 'h, H: Into<Header<'n>>>(mut self, header: H) -> Self {
self.headers.add(header);
self
}
/// Replace the path of this `File`.
pub fn with_path(self, path: impl Into<Cow<'p, Path>>) -> Self {
Self {
path: path.into(),
headers: self.headers,
}
}
/// Replace the path of this `File`.
pub fn map_path<R: Into<Cow<'p, Path>>>(self, f: impl FnOnce(Cow<'p, Path>) -> R) -> Self {
Self {
path: f(self.path).into(),
headers: self.headers,
}
}
// /// Convert this `File` into a Redirect, transforming the URI.
// pub fn into_redirect(self, f: impl FnOnce(Origin<'static>) -> Origin<'static>)
// -> FileResponse<'p, 'h>
// {
// FileResponse::Redirect(Redirect::permanent(f(self.full_uri.clone().into_owned())))
// }
async fn respond_to<'r>(self, req: &'r Request<'_>, data: Data<'r>) -> Outcome<'r>
where 'h: 'r
{
/// Normalize paths to enable `file_root` to work properly
fn strip_trailing_slash(p: &Path) -> &Path {
let bytes = p.as_os_str().as_encoded_bytes();
let bytes = bytes.strip_suffix(MAIN_SEPARATOR_STR.as_bytes()).unwrap_or(bytes);
// SAFETY: Since we stripped a valid UTF-8 sequence (or left it unchanged),
// this is still a valid OsStr.
Path::new(unsafe { OsStr::from_encoded_bytes_unchecked(bytes) })
}
let path = strip_trailing_slash(self.path.as_ref());
// Fun fact, on Linux attempting to open a directory works, it just errors
// when you attempt to read it.
if path.is_file() {
NamedFile::open(path)
.await
.respond_to(req)
.map(|mut r| {
for header in self.headers {
r.adjoin_raw_header(header.name.as_str().to_owned(), header.value);
}
r
}).or_forward((data, Status::NotFound))
} else {
Outcome::forward(data, Status::NotFound)
}
}
}
impl<F: Send + Sync + 'static> Rewriter for F
where F: for<'r, 'h> Fn(Option<FileResponse<'r, 'h>>, &Request<'_>)
-> Option<FileResponse<'r, 'h>>
{
fn rewrite<'p, 'h>(&self, path: Option<FileResponse<'p, 'h>>, req: &Request<'_>)
-> Option<FileResponse<'p, 'h>>
{
self(path, req)
}
}
/// Helper to implement [`FileServer::filter_file()`]
struct FilterFile<F>(F);
impl<F> Rewriter for FilterFile<F>
where F: Fn(&File<'_, '_>, &Request<'_>) -> bool + Send + Sync + 'static
{
fn rewrite<'p, 'h>(&self, path: Option<FileResponse<'p, 'h>>, req: &Request<'_>)
-> Option<FileResponse<'p, 'h>>
{
match path {
Some(FileResponse::File(file)) if !self.0(&file, req) => None,
path => path,
}
}
}
/// Helper to implement [`FileServer::map_file()`]
struct MapFile<F>(F);
impl<F> Rewriter for MapFile<F>
where F: for<'p, 'h> Fn(File<'p, 'h>, &Request<'_>)
-> FileResponse<'p, 'h> + Send + Sync + 'static,
{
fn rewrite<'p, 'h>(&self, path: Option<FileResponse<'p, 'h>>, req: &Request<'_>)
-> Option<FileResponse<'p, 'h>>
{
match path {
Some(FileResponse::File(file)) => Some(self.0(file, req)),
path => path,
}
}
}
/// Helper trait to simplify standard rewrites
#[doc(hidden)]
pub trait FileMap:
for<'p, 'h> Fn(File<'p, 'h>, &Request<'_>) -> FileResponse<'p, 'h> + Send + Sync + 'static
{}
impl<F> FileMap for F
where F: for<'p, 'h> Fn(File<'p, 'h>, &Request<'_>)
-> FileResponse<'p, 'h> + Send + Sync + 'static
{}
/// Helper trait to simplify standard rewrites
#[doc(hidden)]
pub trait FileFilter: Fn(&File<'_, '_>, &Request<'_>) -> bool + Send + Sync + 'static {}
impl<F> FileFilter for F
where F: Fn(&File<'_, '_>, &Request<'_>) -> bool + Send + Sync + 'static
{}
/// Prepends the provided path, to serve files from a directory.
///
/// You can use [`relative!`] to make a path relative to the crate root, rather
/// than the runtime directory.
///
/// # Example
///
/// ```rust,no_run
/// # use rocket::fs::{FileServer, dir_root, relative};
/// # fn make_server() -> FileServer {
/// FileServer::empty()
/// .map_file(dir_root(relative!("static")))
/// # }
/// ```
///
/// # Panics
///
/// Panics if `path` does not exist. See [`file_root_permissive`] for a
/// non-panicing variant.
pub fn dir_root(path: impl AsRef<Path>) -> impl FileMap {
let path = path.as_ref();
if !path.is_dir() {
let path = path.display();
error!(%path, "FileServer path is not a directory.");
warn!("Aborting early to prevent inevitable handler error.");
panic!("invalid directory: refusing to continue");
}
let path = path.to_path_buf();
move |f, _r| {
FileResponse::File(f.map_path(|p| path.join(p)))
}
}
/// Prepends the provided path, to serve a single static file.
///
/// # Example
///
/// ```rust,no_run
/// # use rocket::fs::{FileServer, file_root};
/// # fn make_server() -> FileServer {
/// FileServer::empty()
/// .map_file(file_root("static/index.html"))
/// # }
/// ```
///
/// # Panics
///
/// Panics if `path` does not exist. See [`file_root_permissive`] for a
/// non-panicing variant.
pub fn file_root(path: impl AsRef<Path>) -> impl FileMap {
let path = path.as_ref();
if !path.exists() {
let path = path.display();
error!(%path, "FileServer path does not exist.");
warn!("Aborting early to prevent inevitable handler error.");
panic!("invalid file: refusing to continue");
}
let path = path.to_path_buf();
move |f, _r| {
FileResponse::File(f.map_path(|p| path.join(p)))
}
}
/// Prepends the provided path, without checking to ensure the path exists during
/// startup.
///
/// # Example
///
/// ```rust,no_run
/// # use rocket::fs::{FileServer, file_root_permissive};
/// # fn make_server() -> FileServer {
/// FileServer::empty()
/// .map_file(file_root_permissive("/tmp/rocket"))
/// # }
/// ```
pub fn file_root_permissive(path: impl AsRef<Path>) -> impl FileMap {
let path = path.as_ref().to_path_buf();
move |f, _r| {
FileResponse::File(f.map_path(|p| path.join(p)))
}
}
/// Filters out any path that contains a file or directory name starting with a
/// dot. If used after `dir_root`, this will also check the root path for dots, and
/// filter them.
///
/// # Example
///
/// ```rust,no_run
/// # use rocket::fs::{FileServer, filter_dotfiles, dir_root};
/// # fn make_server() -> FileServer {
/// FileServer::empty()
/// .filter_file(filter_dotfiles)
/// .map_file(dir_root("static"))
/// # }
/// ```
pub fn filter_dotfiles(file: &File<'_, '_>, _req: &Request<'_>) -> bool {
!file.path.iter().any(|s| s.as_encoded_bytes().starts_with(b"."))
}
/// Normalize directory accesses to always include a trailing slash.
///
/// Should normally be used after `dir_root` (or another rewrite that adds
/// a root), since it needs the full path to check whether a path points to
/// a directory.
///
/// # Example
///
/// Appends a slash to any request for a directory without a trailing slash
/// ```rust,no_run
/// # use rocket::fs::{FileServer, normalize_dirs, dir_root};
/// # fn make_server() -> FileServer {
/// FileServer::empty()
/// .map_file(dir_root("static"))
/// .map_file(normalize_dirs)
/// # }
/// ```
pub fn normalize_dirs<'p, 'h>(file: File<'p, 'h>, req: &Request<'_>) -> FileResponse<'p, 'h> {
if !req.uri().path().raw().ends_with('/') && file.path.is_dir() {
FileResponse::Redirect(Redirect::permanent(
// Known good path + '/' is a good path
req.uri().clone().into_owned().map_path(|p| format!("{p}/")).unwrap()
))
} else {
FileResponse::File(file)
}
}
/// Appends a file name to all directory accesses.
///
/// Must be used after `dir_root`, since it needs the full path to check whether it is
/// a directory.
///
/// # Example
///
/// Appends `index.html` to any directory access.
/// ```rust,no_run
/// # use rocket::fs::{FileServer, index, dir_root};
/// # fn make_server() -> FileServer {
/// FileServer::empty()
/// .map_file(dir_root("static"))
/// .map_file(index("index.html"))
/// # }
/// ```
pub fn index(index: &'static str) -> impl FileMap {
move |f, _r| if f.path.is_dir() {
FileResponse::File(f.map_path(|p| p.join(index)))
} else {
FileResponse::File(f)
}
}
impl FileServer {
/// The default rank use by `FileServer` routes.
const DEFAULT_RANK: isize = 10;
/// Constructs a new `FileServer`, with default rank, and no
/// rewrites.
/// Constructs a new `FileServer` that serves files from the file system
/// `path` with the following rewrites:
///
/// See [`FileServer::empty_ranked()`].
pub fn empty() -> Self {
Self::empty_ranked(Self::DEFAULT_RANK)
}
/// Constructs a new `FileServer`, with specified rank, and no
/// rewrites.
/// - `|f, _| f.is_visible()`: Serve only visible files (hide dotfiles).
/// - [`Prefix::checked(path)`]: Prefix requests with `path`.
/// - [`TrailingDirs`]: Ensure directory have a trailing slash.
/// - [`DirIndex::unconditional("index.html")`]: Serve `$dir/index.html` for
/// requests to directory `$dir`.
///
/// If you don't want to serve index files or want a different index file,
/// use [`Self::without_index`]. To customize the entire request to file
/// path rewrite pipeline, use [`Self::identity`].
///
/// [`Prefix::checked(path)`]: crate::fs::rewrite::Prefix::checked
/// [`TrailingDirs`]: crate::fs::rewrite::TrailingDirs
/// [`DirIndex::unconditional("index.html")`]: DirIndex::unconditional()
///
/// # Example
///
/// Replicate the output of [`FileServer::new()`].
/// ```rust,no_run
/// # use rocket::fs::{FileServer, filter_dotfiles, dir_root, normalize_dirs};
/// # fn launch() -> FileServer {
/// FileServer::empty_ranked(10)
/// .filter_file(filter_dotfiles)
/// .map_file(dir_root("static"))
/// .map_file(normalize_dirs)
/// # }
/// # #[macro_use] extern crate rocket;
/// use rocket::fs::FileServer;
///
/// #[launch]
/// fn rocket() -> _ {
/// rocket::build()
/// .mount("/", FileServer::new("/www/static"))
/// }
/// ```
pub fn empty_ranked(rank: isize) -> Self {
pub fn new<P: AsRef<Path>>(path: P) -> Self {
Self::identity()
.filter(|f, _| f.is_visible())
.rewrite(Prefix::checked(path))
.rewrite(TrailingDirs)
.rewrite(DirIndex::unconditional("index.html"))
}
/// Exactly like [`FileServer::new()`] except it _does not_ serve directory
/// index files via [`DirIndex`]. It rewrites with the following:
///
/// - `|f, _| f.is_visible()`: Serve only visible files (hide dotfiles).
/// - [`Prefix::checked(path)`]: Prefix requests with `path`.
/// - [`TrailingDirs`]: Ensure directory have a trailing slash.
///
/// # Example
///
/// Constructs a default file server to serve files from `./static` using
/// `index.txt` as the index file if `index.html` doesn't exist.
///
/// ```rust,no_run
/// # #[macro_use] extern crate rocket;
/// use rocket::fs::{FileServer, rewrite::DirIndex};
///
/// #[launch]
/// fn rocket() -> _ {
/// let server = FileServer::new("static")
/// .rewrite(DirIndex::if_exists("index.html"))
/// .rewrite(DirIndex::unconditional("index.txt"));
///
/// rocket::build()
/// .mount("/", server)
/// }
/// ```
///
/// [`Prefix::checked(path)`]: crate::fs::rewrite::Prefix::checked
/// [`TrailingDirs`]: crate::fs::rewrite::TrailingDirs
pub fn without_index<P: AsRef<Path>>(path: P) -> Self {
Self::identity()
.filter(|f, _| f.is_visible())
.rewrite(Prefix::checked(path))
.rewrite(TrailingDirs)
}
/// Constructs a new `FileServer` with no rewrites.
///
/// Without any rewrites, a `FileServer` will try to serve the requested
/// file from the current working directory. In other words, it represents
/// the identity rewrite. For example, a request `GET /foo/bar` will be
/// passed through unmodified and thus `./foo/bar` will be served. This is
/// very unlikely to be what you want.
///
/// Prefer to use [`FileServer::new()`] or [`FileServer::without_index()`]
/// whenever possible and otherwise use one or more of the rewrites in
/// [`rocket::fs::rewrite`] or your own custom rewrites.
///
/// # Example
///
/// ```rust,no_run
/// # #[macro_use] extern crate rocket;
/// use rocket::fs::{FileServer, rewrite};
///
/// #[launch]
/// fn rocket() -> _ {
/// // A file server that serves exactly one file: /www/foo.html. The
/// // file is served irrespective of what's requested.
/// let server = FileServer::identity()
/// .rewrite(rewrite::File::checked("/www/foo.html"));
///
/// rocket::build()
/// .mount("/", server)
/// }
/// ```
pub fn identity() -> Self {
Self {
rewrites: vec![],
rank,
rank: Self::DEFAULT_RANK
}
}
/// Constructs a new `FileServer`, with the defualt rank of 10.
///
/// See [`FileServer::new`].
pub fn from<P: AsRef<Path>>(path: P) -> Self {
Self::new(path, Self::DEFAULT_RANK)
}
/// Constructs a new `FileServer` that serves files from the file system
/// `path`, with the specified rank.
///
/// Adds a set of default rewrites:
/// - [`filter_dotfiles`]: Hides all dotfiles.
/// - [`dir_root(path)`](dir_root): Applies the root path.
/// - [`normalize_dirs`]: Normalizes directories to have a trailing slash.
/// - [`index("index.html")`](index): Appends `index.html` to directory requests.
pub fn new<P: AsRef<Path>>(path: P, rank: isize) -> Self {
Self::empty_ranked(rank)
.filter_file(filter_dotfiles)
.map_file(dir_root(path))
.map_file(normalize_dirs)
.map_file(index("index.html"))
}
/// Generic rewrite to transform one FileResponse to another.
/// Sets the rank of the route emitted by the `FileServer` to `rank`.
///
/// # Example
///
/// Redirects all requests that have been filtered to the root of the `FileServer`.
/// ```rust,no_run
/// # use rocket::{fs::{FileServer, FileResponse}, response::Redirect,
/// # uri, Build, Rocket, Request};
/// fn redir_missing<'p, 'h>(p: Option<FileResponse<'p, 'h>>, _req: &Request<'_>)
/// -> Option<FileResponse<'p, 'h>>
/// {
/// match p {
/// None => Redirect::temporary(uri!("/")).into(),
/// p => p,
/// }
/// # use rocket::fs::FileServer;
/// # fn make_server() -> FileServer {
/// FileServer::identity()
/// .rank(5)
/// # }
pub fn rank(mut self, rank: isize) -> Self {
self.rank = rank;
self
}
/// Add `rewriter` to the rewrite pipeline.
///
/// # Example
///
/// Redirect filtered requests (`None`) to `/`.
///
/// ```rust,no_run
/// # #[macro_use] extern crate rocket;
/// use rocket::fs::{FileServer, rewrite::Rewrite};
/// use rocket::{request::Request, response::Redirect};
///
/// fn redir_missing<'r>(p: Option<Rewrite<'r>>, _req: &Request<'_>) -> Option<Rewrite<'r>> {
/// Some(p.unwrap_or_else(|| Redirect::temporary(uri!("/")).into()))
/// }
///
/// # fn launch() -> Rocket<Build> {
/// #[launch]
/// fn rocket() -> _ {
/// rocket::build()
/// .mount("/", FileServer::from("static").and_rewrite(redir_missing))
/// # }
/// .mount("/", FileServer::new("static").rewrite(redir_missing))
/// }
/// ```
///
/// Note that `redir_missing` is not a closure in this example. Making it a closure
/// causes compilation to fail with a lifetime error. It really shouldn't but it does.
pub fn and_rewrite(mut self, f: impl Rewriter) -> Self {
self.rewrites.push(Arc::new(f));
pub fn rewrite<R: Rewriter>(mut self, rewriter: R) -> Self {
self.rewrites.push(Arc::new(rewriter));
self
}
/// Filter what files this `FileServer` will respond with
/// Adds a rewriter to the pipeline that returns `Some` only when the
/// function `f` returns `true`, filtering out all other files.
///
/// # Example
///
/// Filter out all paths with a filename of `hidden`.
/// Allow all files that don't have a file name or have a file name other
/// than "hidden".
///
/// ```rust,no_run
/// # use rocket::{fs::FileServer, response::Redirect, uri, Rocket, Build};
/// # fn launch() -> Rocket<Build> {
/// # #[macro_use] extern crate rocket;
/// use rocket::fs::FileServer;
///
/// #[launch]
/// fn rocket() -> _ {
/// let server = FileServer::new("static")
/// .filter(|f, _| f.path.file_name() != Some("hidden".as_ref()));
///
/// rocket::build()
/// .mount(
/// "/",
/// FileServer::from("static")
/// .filter_file(|f, _r| f.path.file_name() != Some("hidden".as_ref()))
/// )
/// # }
/// .mount("/", server)
/// }
/// ```
pub fn filter_file<F>(self, f: F) -> Self
where F: Fn(&File<'_, '_>, &Request<'_>) -> bool + Send + Sync + 'static
pub fn filter<F: Send + Sync + 'static>(self, f: F) -> Self
where F: Fn(&File<'_>, &Request<'_>) -> bool
{
self.and_rewrite(FilterFile(f))
struct Filter<F>(F);
impl<F> Rewriter for Filter<F>
where F: Fn(&File<'_>, &Request<'_>) -> bool + Send + Sync + 'static
{
fn rewrite<'r>(&self, f: Option<Rewrite<'r>>, r: &Request<'_>) -> Option<Rewrite<'r>> {
f.and_then(|f| match f {
Rewrite::File(f) if self.0(&f, r) => Some(Rewrite::File(f)),
_ => None,
})
}
}
/// Transform files
self.rewrite(Filter(f))
}
/// Adds a rewriter to the pipeline that maps the current `File` to another
/// `Rewrite` using `f`. If the current `Rewrite` is a `Redirect`, it is
/// passed through without calling `f`.
///
/// # Example
///
/// Append `hidden` to the path of every file returned.
/// Append `index.txt` to every path.
///
/// ```rust,no_run
/// # use rocket::{fs::FileServer, Build, Rocket};
/// # fn launch() -> Rocket<Build> {
/// # #[macro_use] extern crate rocket;
/// use rocket::fs::FileServer;
///
/// #[launch]
/// fn rocket() -> _ {
/// let server = FileServer::new("static")
/// .map(|f, _| f.map_path(|p| p.join("index.txt")).into());
///
/// rocket::build()
/// .mount(
/// "/",
/// FileServer::from("static")
/// .map_file(|f, _r| f.map_path(|p| p.join("hidden")).into())
/// )
/// # }
/// .mount("/", server)
/// }
/// ```
pub fn map_file<F>(self, f: F) -> Self
where F: for<'r, 'h> Fn(File<'r, 'h>, &Request<'_>)
-> FileResponse<'r, 'h> + Send + Sync + 'static
pub fn map<F: Send + Sync + 'static>(self, f: F) -> Self
where F: for<'r> Fn(File<'r>, &Request<'_>) -> Rewrite<'r>
{
self.and_rewrite(MapFile(f))
struct Map<F>(F);
impl<F> Rewriter for Map<F>
where F: for<'r> Fn(File<'r>, &Request<'_>) -> Rewrite<'r> + Send + Sync + 'static
{
fn rewrite<'r>(&self, f: Option<Rewrite<'r>>, r: &Request<'_>) -> Option<Rewrite<'r>> {
f.map(|f| match f {
Rewrite::File(f) => self.0(f, r),
Rewrite::Redirect(r) => Rewrite::Redirect(r),
})
}
}
self.rewrite(Map(f))
}
}
impl From<FileServer> for Vec<Route> {
fn from(server: FileServer) -> Self {
// let source = figment::Source::File(server.root.clone());
let mut route = Route::ranked(server.rank, Method::Get, "/<path..>", server);
// I'd like to provide a more descriptive name, but we can't get more
// information out of `dyn Rewriter`
route.name = Some("FileServer".into());
vec![route]
}
}
#[crate::async_trait]
impl Handler for FileServer {
async fn handle<'r>(&self, req: &'r Request<'_>, data: Data<'r>) -> Outcome<'r> {
use crate::http::uri::fmt::Path as UriPath;
let path: Option<PathBuf> = req.segments::<Segments<'_, UriPath>>(0..).ok()
.and_then(|segments| segments.to_path_buf(true).ok());
let mut response = path.as_ref().map(|p| FileResponse::File(File {
path: Cow::Borrowed(p),
headers: HeaderMap::new(),
}));
let mut response = path.map(|p| Rewrite::File(File::new(p)));
for rewrite in &self.rewrites {
response = rewrite.rewrite(response, req);
}
match response {
Some(FileResponse::File(file)) => file.respond_to(req, data).await,
Some(FileResponse::Redirect(r)) => {
r.respond_to(req)
.or_forward((data, Status::InternalServerError))
},
None => Outcome::forward(data, Status::NotFound),
}
let (outcome, status) = match response {
Some(Rewrite::File(f)) => (f.open().await.respond_to(req), Status::NotFound),
Some(Rewrite::Redirect(r)) => (r.respond_to(req), Status::InternalServerError),
None => return Outcome::forward(data, Status::NotFound),
};
outcome.or_forward((data, status))
}
}
crate::export! {
/// Generates a crate-relative version of a path.
///
/// This macro is primarily intended for use with [`FileServer`] to serve
/// files from a path relative to the crate root.
///
/// The macro accepts one parameter, `$path`, an absolute or (preferably)
/// relative path. It returns a path as an `&'static str` prefixed with the
/// path to the crate root. Use `Path::new(relative!($path))` to retrieve an
/// `&'static Path`.
///
/// # Example
///
/// Serve files from the crate-relative `static/` directory:
///
/// ```rust
/// # #[macro_use] extern crate rocket;
/// use rocket::fs::{FileServer, relative};
///
/// #[launch]
/// fn rocket() -> _ {
/// rocket::build().mount("/", FileServer::from(relative!("static")))
/// }
/// ```
///
/// Path equivalences:
///
/// ```rust
/// use std::path::Path;
///
/// use rocket::fs::relative;
///
/// let manual = Path::new(env!("CARGO_MANIFEST_DIR")).join("static");
/// let automatic_1 = Path::new(relative!("static"));
/// let automatic_2 = Path::new(relative!("/static"));
/// assert_eq!(manual, automatic_1);
/// assert_eq!(automatic_1, automatic_2);
/// ```
///
macro_rules! relative {
($path:expr) => {
if cfg!(windows) {
concat!(env!("CARGO_MANIFEST_DIR"), "\\", $path)
} else {
concat!(env!("CARGO_MANIFEST_DIR"), "/", $path)
}
};
impl fmt::Debug for FileServer {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("FileServer")
.field("rewrites", &Formatter(|f| write!(f, "<{} rewrites>", self.rewrites.len())))
.field("rank", &self.rank)
.finish()
}
}
impl<'r> File<'r> {
async fn open(self) -> std::io::Result<NamedFile<'r>> {
let file = tokio::fs::File::open(&self.path).await?;
let metadata = file.metadata().await?;
if metadata.is_dir() {
return Err(std::io::Error::other("is a directory"));
}
Ok(NamedFile {
file,
len: metadata.len(),
path: self.path,
headers: self.headers,
})
}
}
struct NamedFile<'r> {
file: tokio::fs::File,
len: u64,
path: Cow<'r, Path>,
headers: HeaderMap<'r>,
}
// Do we want to allow the user to rewrite the Content-Type?
impl<'r> Responder<'r, 'r> for NamedFile<'r> {
fn respond_to(self, _: &'r Request<'_>) -> response::Result<'r> {
let mut response = Response::new();
response.set_header_map(self.headers);
if !response.headers().contains("Content-Type") {
self.path.extension()
.and_then(|ext| ext.to_str())
.and_then(ContentType::from_extension)
.map(|content_type| response.set_header(content_type));
}
response.set_sized_body(self.len as usize, self.file);
Ok(response)
}
}

2
core/lib/src/response/redirect.rs
View File

@ -45,7 +45,7 @@ use crate::http::Status;
///
/// [`Origin`]: crate::http::uri::Origin
/// [`uri!`]: ../macro.uri.html
#[derive(Debug)]
#[derive(Debug, Clone)]
pub struct Redirect(Status, Option<Reference<'static>>);
impl Redirect {

4
core/lib/src/response/response.rs
View File

@ -637,6 +637,10 @@ impl<'r> Response<'r> {
&self.headers
}
pub fn set_header_map<'h: 'r>(&mut self, headers: HeaderMap<'h>) {
self.headers = headers;
}
/// Sets the header `header` in `self`. Any existing headers with the name
/// `header.name` will be lost, and only `header` will remain. The type of
/// `header` can be any type that implements `Into<Header>`. See [trait

109
core/lib/tests/file_server.rs
View File

@ -1,19 +1,10 @@
use std::{io::Read, fs::File};
use std::{io::Read, fs};
use std::path::Path;
use rocket::{Rocket, Route, Build};
use rocket::http::Status;
use rocket::local::blocking::Client;
use rocket::fs::{
dir_root,
file_root,
filter_dotfiles,
index,
file_root_permissive,
normalize_dirs,
relative,
FileServer
};
use rocket::fs::{FileServer, relative, rewrite::*};
fn static_root() -> &'static Path {
Path::new(relative!("/tests/static"))
@ -22,57 +13,65 @@ fn static_root() -> &'static Path {
fn rocket() -> Rocket<Build> {
let root = static_root();
rocket::build()
.mount("/default", FileServer::from(&root))
.mount("/default", FileServer::new(&root))
.mount(
"/no_index",
FileServer::empty()
.filter_file(filter_dotfiles)
.map_file(dir_root(&root))
FileServer::identity()
.filter(|f, _| f.is_visible())
.rewrite(Prefix::checked(&root))
)
.mount(
"/dots",
FileServer::empty()
.map_file(dir_root(&root))
FileServer::identity()
.rewrite(Prefix::checked(&root))
)
.mount(
"/index",
FileServer::empty()
.filter_file(filter_dotfiles)
.map_file(dir_root(&root))
.map_file(index("index.html"))
FileServer::identity()
.filter(|f, _| f.is_visible())
.rewrite(Prefix::checked(&root))
.rewrite(DirIndex::unconditional("index.html"))
)
.mount(
"/try_index",
FileServer::identity()
.filter(|f, _| f.is_visible())
.rewrite(Prefix::checked(&root))
.rewrite(DirIndex::if_exists("index.html"))
.rewrite(DirIndex::if_exists("index.htm"))
)
.mount(
"/both",
FileServer::empty()
.map_file(dir_root(&root))
.map_file(index("index.html"))
FileServer::identity()
.rewrite(Prefix::checked(&root))
.rewrite(DirIndex::unconditional("index.html"))
)
.mount(
"/redir",
FileServer::empty()
.filter_file(filter_dotfiles)
.map_file(dir_root(&root))
.map_file(normalize_dirs)
FileServer::identity()
.filter(|f, _| f.is_visible())
.rewrite(Prefix::checked(&root))
.rewrite(TrailingDirs)
)
.mount(
"/redir_index",
FileServer::empty()
.filter_file(filter_dotfiles)
.map_file(dir_root(&root))
.map_file(normalize_dirs)
.map_file(index("index.html"))
FileServer::identity()
.filter(|f, _| f.is_visible())
.rewrite(Prefix::checked(&root))
.rewrite(TrailingDirs)
.rewrite(DirIndex::unconditional("index.html"))
)
.mount(
"/index_file",
FileServer::empty()
.filter_file(filter_dotfiles)
.map_file(file_root(root.join("other/hello.txt")))
FileServer::identity()
.filter(|f, _| f.is_visible())
.rewrite(File::checked(root.join("other/hello.txt")))
)
.mount(
"/missing_root",
FileServer::empty()
.filter_file(filter_dotfiles)
.map_file(file_root_permissive(root.join("no_file")))
FileServer::identity()
.filter(|f, _| f.is_visible())
.rewrite(File::new(root.join("no_file")))
)
}
@ -81,6 +80,7 @@ static REGULAR_FILES: &[&str] = &[
"inner/goodbye",
"inner/index.html",
"other/hello.txt",
"other/index.htm",
];
static HIDDEN_FILES: &[&str] = &[
@ -104,7 +104,7 @@ fn assert_file_matches(client: &Client, prefix: &str, path: &str, disk_path: Opt
path = path.join("index.html");
}
let mut file = File::open(path).expect("open file");
let mut file = fs::File::open(path).expect("open file");
let mut expected_contents = String::new();
file.read_to_string(&mut expected_contents).expect("read file");
assert_eq!(response.into_string(), Some(expected_contents));
@ -179,12 +179,19 @@ fn test_allow_special_dotpaths() {
assert_file_matches(&client, "no_index", "../index.html", Some("index.html"));
}
#[test]
fn test_try_index() {
let client = Client::debug(rocket()).expect("valid rocket");
assert_file_matches(&client, "try_index", "inner", Some("inner/index.html"));
assert_file_matches(&client, "try_index", "other", Some("other/index.htm"));
}
#[test]
fn test_ranking() {
let root = static_root();
for rank in -128..128 {
let a = FileServer::new(&root, rank);
let b = FileServer::new(&root, rank);
let a = FileServer::new(&root).rank(rank);
let b = FileServer::new(&root).rank(rank);
for handler in vec![a, b] {
let routes: Vec<Route> = handler.into();
@ -231,15 +238,15 @@ fn test_redirection() {
assert_eq!(response.status(), Status::Ok);
let response = client.get("/redir/inner").dispatch();
assert_eq!(response.status(), Status::PermanentRedirect);
assert_eq!(response.status(), Status::TemporaryRedirect);
assert_eq!(response.headers().get("Location").next(), Some("/redir/inner/"));
let response = client.get("/redir/inner?foo=bar").dispatch();
assert_eq!(response.status(), Status::PermanentRedirect);
assert_eq!(response.status(), Status::TemporaryRedirect);
assert_eq!(response.headers().get("Location").next(), Some("/redir/inner/?foo=bar"));
let response = client.get("/redir_index/inner").dispatch();
assert_eq!(response.status(), Status::PermanentRedirect);
assert_eq!(response.status(), Status::TemporaryRedirect);
assert_eq!(response.headers().get("Location").next(), Some("/redir_index/inner/"));
// Paths with trailing slash are unaffected.
@ -257,32 +264,32 @@ fn test_redirection() {
assert_eq!(response.status(), Status::Ok);
let response = client.get("/redir/inner").dispatch();
assert_eq!(response.status(), Status::PermanentRedirect);
assert_eq!(response.status(), Status::TemporaryRedirect);
assert_eq!(response.headers().get("Location").next(), Some("/redir/inner/"));
let response = client.get("/redir/other").dispatch();
assert_eq!(response.status(), Status::PermanentRedirect);
assert_eq!(response.status(), Status::TemporaryRedirect);
assert_eq!(response.headers().get("Location").next(), Some("/redir/other/"));
let response = client.get("/redir_index/other").dispatch();
assert_eq!(response.status(), Status::PermanentRedirect);
assert_eq!(response.status(), Status::TemporaryRedirect);
assert_eq!(response.headers().get("Location").next(), Some("/redir_index/other/"));
}
#[test]
#[should_panic]
fn test_panic_on_missing_file() {
let _ = file_root(static_root().join("missing_file"));
let _ = File::checked(static_root().join("missing_file"));
}
#[test]
#[should_panic]
fn test_panic_on_missing_dir() {
let _ = dir_root(static_root().join("missing_dir"));
let _ = Prefix::checked(static_root().join("missing_dir"));
}
#[test]
#[should_panic]
fn test_panic_on_file_not_dir() {
let _ = dir_root(static_root().join("index.html"));
let _ = Prefix::checked(static_root().join("index.html"));
}

2
core/lib/tests/static/inner/index.html
View File

@ -1 +1 @@
Inner index.
Inner index.html

1
core/lib/tests/static/other/index.htm Normal file
View File

@ -0,0 +1 @@
Inner index.htm

2
docs/guide/05-requests.md
View File

@ -169,7 +169,7 @@ async fn files(file: PathBuf) -> Option<NamedFile> {
fn rocket() -> _ {
rocket::build()
// serve files from `/www/static` at path `/public`
.mount("/public", FileServer::from("/www/static"))
.mount("/public", FileServer::new("/www/static"))
}
```

2
docs/guide/11-deploying.md
View File

@ -49,7 +49,7 @@ For any deployment, it's important to keep in mind:
#[launch]
fn rocket() -> _ {
rocket::build()
.mount("/", FileServer::from("./static"))
.mount("/", FileServer::new("./static"))
.attach(Template::fairing())
}
```

2
examples/chat/src/main.rs
View File

@ -54,5 +54,5 @@ fn rocket() -> _ {
rocket::build()
.manage(channel::<Message>(1024).0)
.mount("/", routes![post, events])
.mount("/", FileServer::from(relative!("static")))
.mount("/", FileServer::new(relative!("static")))
}

2
examples/forms/src/main.rs
View File

@ -93,5 +93,5 @@ fn rocket() -> _ {
rocket::build()
.mount("/", routes![index, submit])
.attach(Template::fairing())
.mount("/", FileServer::from(relative!("/static")))
.mount("/", FileServer::new(relative!("/static")))
}

2
examples/static-files/src/main.rs
View File

@ -23,5 +23,5 @@ mod manual {
fn rocket() -> _ {
rocket::build()
.mount("/", rocket::routes![manual::second])
.mount("/", FileServer::from(relative!("static")))
.mount("/", FileServer::new(relative!("static")))
}

2
examples/static-files/src/tests.rs
View File

@ -63,7 +63,7 @@ fn test_icon_file() {
#[test]
fn test_invalid_path() {
test_query_file("/hidden", None, Status::PermanentRedirect);
test_query_file("/hidden", None, Status::TemporaryRedirect);
test_query_file("/thou_shalt_not_exist", None, Status::NotFound);
test_query_file("/thou/shalt/not/exist", None, Status::NotFound);
test_query_file("/thou/shalt/not/exist?a=b&c=d", None, Status::NotFound);

2
examples/todo/src/main.rs
View File

@ -110,7 +110,7 @@ fn rocket() -> _ {
.attach(DbConn::fairing())
.attach(Template::fairing())
.attach(AdHoc::on_ignite("Run Migrations", run_migrations))
.mount("/", FileServer::from(relative!("static")))
.mount("/", FileServer::new(relative!("static")))
.mount("/", routes![index])
.mount("/todo", routes![new, toggle, delete])
}

2
examples/upgrade/src/main.rs
View File

@ -39,5 +39,5 @@ fn echo_raw(ws: ws::WebSocket) -> ws::Stream!['static] {
fn rocket() -> _ {
rocket::build()
.mount("/", routes![echo_channel, echo_stream, echo_raw])
.mount("/", FileServer::from(fs::relative!("static")))
.mount("/", FileServer::new(fs::relative!("static")))
}