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actix-web
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move files structures

This commit is contained in:
Rob Ede 2020-09-16 00:08:01 +01:00
parent bd1860a5d9
commit db55079c25
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GPG Key ID: C2A3B36E841A91E6
2 changed files with 251 additions and 237 deletions
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244
actix-files/src/files.rs Normal file
View File

@ -0,0 +1,244 @@
use std::{cell::RefCell, io, path::PathBuf, rc::Rc};
use actix_service::{boxed, IntoServiceFactory, ServiceFactory};
use actix_web::{
dev::{
AppService, HttpServiceFactory, ResourceDef, ServiceRequest, ServiceResponse,
},
error::Error,
guard::Guard,
http::header::DispositionType,
HttpRequest,
};
use futures_util::future::{ok, FutureExt, LocalBoxFuture};
use crate::{
directory_listing, named, Directory, DirectoryRenderer, FilesService,
HttpNewService, MimeOverride,
};
/// Static files handling
///
/// `Files` service must be registered with `App::service()` method.
///
/// ```rust
/// use actix_web::App;
/// use actix_files::Files;
///
/// let app = App::new()
/// .service(Files::new("/static", "."));
/// ```
pub struct Files {
path: String,
directory: PathBuf,
index: Option<String>,
show_index: bool,
redirect_to_slash: bool,
default: Rc<RefCell<Option<Rc<HttpNewService>>>>,
renderer: Rc<DirectoryRenderer>,
mime_override: Option<Rc<MimeOverride>>,
file_flags: named::Flags,
// FIXME: Should re-visit later.
#[allow(clippy::redundant_allocation)]
guards: Option<Rc<Box<dyn Guard>>>,
}
impl Clone for Files {
fn clone(&self) -> Self {
Self {
directory: self.directory.clone(),
index: self.index.clone(),
show_index: self.show_index,
redirect_to_slash: self.redirect_to_slash,
default: self.default.clone(),
renderer: self.renderer.clone(),
file_flags: self.file_flags,
path: self.path.clone(),
mime_override: self.mime_override.clone(),
guards: self.guards.clone(),
}
}
}
impl Files {
/// Create new `Files` instance for specified base directory.
///
/// `File` uses `ThreadPool` for blocking filesystem operations.
/// By default pool with 5x threads of available cpus is used.
/// Pool size can be changed by setting ACTIX_THREADPOOL environment variable.
pub fn new<T: Into<PathBuf>>(path: &str, dir: T) -> Files {
let orig_dir = dir.into();
let dir = match orig_dir.canonicalize() {
Ok(canon_dir) => canon_dir,
Err(_) => {
log::error!("Specified path is not a directory: {:?}", orig_dir);
PathBuf::new()
}
};
Files {
path: path.to_string(),
directory: dir,
index: None,
show_index: false,
redirect_to_slash: false,
default: Rc::new(RefCell::new(None)),
renderer: Rc::new(directory_listing),
mime_override: None,
file_flags: named::Flags::default(),
guards: None,
}
}
/// Show files listing for directories.
///
/// By default show files listing is disabled.
pub fn show_files_listing(mut self) -> Self {
self.show_index = true;
self
}
/// Redirects to a slash-ended path when browsing a directory.
///
/// By default never redirect.
pub fn redirect_to_slash_directory(mut self) -> Self {
self.redirect_to_slash = true;
self
}
/// Set custom directory renderer
pub fn files_listing_renderer<F>(mut self, f: F) -> Self
where
for<'r, 's> F: Fn(&'r Directory, &'s HttpRequest) -> Result<ServiceResponse, io::Error>
+ 'static,
{
self.renderer = Rc::new(f);
self
}
/// Specifies mime override callback
pub fn mime_override<F>(mut self, f: F) -> Self
where
F: Fn(&mime::Name<'_>) -> DispositionType + 'static,
{
self.mime_override = Some(Rc::new(f));
self
}
/// Set index file
///
/// Shows specific index file for directory "/" instead of
/// showing files listing.
pub fn index_file<T: Into<String>>(mut self, index: T) -> Self {
self.index = Some(index.into());
self
}
#[inline]
/// Specifies whether to use ETag or not.
///
/// Default is true.
pub fn use_etag(mut self, value: bool) -> Self {
self.file_flags.set(named::Flags::ETAG, value);
self
}
#[inline]
/// Specifies whether to use Last-Modified or not.
///
/// Default is true.
pub fn use_last_modified(mut self, value: bool) -> Self {
self.file_flags.set(named::Flags::LAST_MD, value);
self
}
/// Specifies custom guards to use for directory listings and files.
///
/// Default behaviour allows GET and HEAD.
#[inline]
pub fn use_guards<G: Guard + 'static>(mut self, guards: G) -> Self {
self.guards = Some(Rc::new(Box::new(guards)));
self
}
/// Disable `Content-Disposition` header.
///
/// By default Content-Disposition` header is enabled.
#[inline]
pub fn disable_content_disposition(mut self) -> Self {
self.file_flags.remove(named::Flags::CONTENT_DISPOSITION);
self
}
/// Sets default handler which is used when no matched file could be found.
pub fn default_handler<F, U>(mut self, f: F) -> Self
where
F: IntoServiceFactory<U>,
U: ServiceFactory<
Config = (),
Request = ServiceRequest,
Response = ServiceResponse,
Error = Error,
> + 'static,
{
// create and configure default resource
self.default = Rc::new(RefCell::new(Some(Rc::new(boxed::factory(
f.into_factory().map_init_err(|_| ()),
)))));
self
}
}
impl HttpServiceFactory for Files {
fn register(self, config: &mut AppService) {
if self.default.borrow().is_none() {
*self.default.borrow_mut() = Some(config.default_service());
}
let rdef = if config.is_root() {
ResourceDef::root_prefix(&self.path)
} else {
ResourceDef::prefix(&self.path)
};
config.register_service(rdef, None, self, None)
}
}
impl ServiceFactory for Files {
type Request = ServiceRequest;
type Response = ServiceResponse;
type Error = Error;
type Config = ();
type Service = FilesService;
type InitError = ();
type Future = LocalBoxFuture<'static, Result<Self::Service, Self::InitError>>;
fn new_service(&self, _: ()) -> Self::Future {
let mut srv = FilesService {
directory: self.directory.clone(),
index: self.index.clone(),
show_index: self.show_index,
redirect_to_slash: self.redirect_to_slash,
default: None,
renderer: self.renderer.clone(),
mime_override: self.mime_override.clone(),
file_flags: self.file_flags,
guards: self.guards.clone(),
};
if let Some(ref default) = *self.default.borrow() {
default
.new_service(())
.map(move |result| match result {
Ok(default) => {
srv.default = Some(default);
Ok(srv)
}
Err(_) => Err(()),
})
.boxed_local()
} else {
ok(srv).boxed_local()
}
}
}

244
actix-files/src/lib.rs
View File

@ -3,27 +3,20 @@
#![deny(rust_2018_idioms)]
#![allow(clippy::borrow_interior_mutable_const)]
use std::{cell::RefCell, io, path::PathBuf, rc::Rc};
use std::io;
use actix_service::{
boxed::{self, BoxService, BoxServiceFactory},
IntoServiceFactory, ServiceFactory,
};
use actix_service::boxed::{BoxService, BoxServiceFactory};
use actix_web::{
dev::{
AppService, HttpServiceFactory, ResourceDef, ServiceRequest, ServiceResponse,
},
dev::{ServiceRequest, ServiceResponse},
error::{BlockingError, Error, ErrorInternalServerError},
guard::Guard,
http::header::DispositionType,
HttpRequest,
};
use futures_util::future::{ok, FutureExt, LocalBoxFuture};
use mime_guess::from_ext;
mod chunked;
mod directory;
mod error;
mod files;
mod named;
mod path_buf;
mod range;
@ -31,6 +24,7 @@ mod service;
pub use crate::chunked::ChunkedReadFile;
pub use crate::directory::Directory;
pub use crate::files::Files;
pub use crate::named::NamedFile;
pub use crate::range::HttpRange;
pub use crate::service::FilesService;
@ -59,232 +53,6 @@ pub(crate) fn handle_error(err: BlockingError<io::Error>) -> Error {
type MimeOverride = dyn Fn(&mime::Name<'_>) -> DispositionType;
/// Static files handling
///
/// `Files` service must be registered with `App::service()` method.
///
/// ```rust
/// use actix_web::App;
/// use actix_files::Files;
///
/// let app = App::new()
/// .service(Files::new("/static", "."));
/// ```
pub struct Files {
path: String,
directory: PathBuf,
index: Option<String>,
show_index: bool,
redirect_to_slash: bool,
default: Rc<RefCell<Option<Rc<HttpNewService>>>>,
renderer: Rc<DirectoryRenderer>,
mime_override: Option<Rc<MimeOverride>>,
file_flags: named::Flags,
// FIXME: Should re-visit later.
#[allow(clippy::redundant_allocation)]
guards: Option<Rc<Box<dyn Guard>>>,
}
impl Clone for Files {
fn clone(&self) -> Self {
Self {
directory: self.directory.clone(),
index: self.index.clone(),
show_index: self.show_index,
redirect_to_slash: self.redirect_to_slash,
default: self.default.clone(),
renderer: self.renderer.clone(),
file_flags: self.file_flags,
path: self.path.clone(),
mime_override: self.mime_override.clone(),
guards: self.guards.clone(),
}
}
}
impl Files {
/// Create new `Files` instance for specified base directory.
///
/// `File` uses `ThreadPool` for blocking filesystem operations.
/// By default pool with 5x threads of available cpus is used.
/// Pool size can be changed by setting ACTIX_THREADPOOL environment variable.
pub fn new<T: Into<PathBuf>>(path: &str, dir: T) -> Files {
let orig_dir = dir.into();
let dir = match orig_dir.canonicalize() {
Ok(canon_dir) => canon_dir,
Err(_) => {
log::error!("Specified path is not a directory: {:?}", orig_dir);
PathBuf::new()
}
};
Files {
path: path.to_string(),
directory: dir,
index: None,
show_index: false,
redirect_to_slash: false,
default: Rc::new(RefCell::new(None)),
renderer: Rc::new(directory_listing),
mime_override: None,
file_flags: named::Flags::default(),
guards: None,
}
}
/// Show files listing for directories.
///
/// By default show files listing is disabled.
pub fn show_files_listing(mut self) -> Self {
self.show_index = true;
self
}
/// Redirects to a slash-ended path when browsing a directory.
///
/// By default never redirect.
pub fn redirect_to_slash_directory(mut self) -> Self {
self.redirect_to_slash = true;
self
}
/// Set custom directory renderer
pub fn files_listing_renderer<F>(mut self, f: F) -> Self
where
for<'r, 's> F: Fn(&'r Directory, &'s HttpRequest) -> Result<ServiceResponse, io::Error>
+ 'static,
{
self.renderer = Rc::new(f);
self
}
/// Specifies mime override callback
pub fn mime_override<F>(mut self, f: F) -> Self
where
F: Fn(&mime::Name<'_>) -> DispositionType + 'static,
{
self.mime_override = Some(Rc::new(f));
self
}
/// Set index file
///
/// Shows specific index file for directory "/" instead of
/// showing files listing.
pub fn index_file<T: Into<String>>(mut self, index: T) -> Self {
self.index = Some(index.into());
self
}
#[inline]
/// Specifies whether to use ETag or not.
///
/// Default is true.
pub fn use_etag(mut self, value: bool) -> Self {
self.file_flags.set(named::Flags::ETAG, value);
self
}
#[inline]
/// Specifies whether to use Last-Modified or not.
///
/// Default is true.
pub fn use_last_modified(mut self, value: bool) -> Self {
self.file_flags.set(named::Flags::LAST_MD, value);
self
}
/// Specifies custom guards to use for directory listings and files.
///
/// Default behaviour allows GET and HEAD.
#[inline]
pub fn use_guards<G: Guard + 'static>(mut self, guards: G) -> Self {
self.guards = Some(Rc::new(Box::new(guards)));
self
}
/// Disable `Content-Disposition` header.
///
/// By default Content-Disposition` header is enabled.
#[inline]
pub fn disable_content_disposition(mut self) -> Self {
self.file_flags.remove(named::Flags::CONTENT_DISPOSITION);
self
}
/// Sets default handler which is used when no matched file could be found.
pub fn default_handler<F, U>(mut self, f: F) -> Self
where
F: IntoServiceFactory<U>,
U: ServiceFactory<
Config = (),
Request = ServiceRequest,
Response = ServiceResponse,
Error = Error,
> + 'static,
{
// create and configure default resource
self.default = Rc::new(RefCell::new(Some(Rc::new(boxed::factory(
f.into_factory().map_init_err(|_| ()),
)))));
self
}
}
impl HttpServiceFactory for Files {
fn register(self, config: &mut AppService) {
if self.default.borrow().is_none() {
*self.default.borrow_mut() = Some(config.default_service());
}
let rdef = if config.is_root() {
ResourceDef::root_prefix(&self.path)
} else {
ResourceDef::prefix(&self.path)
};
config.register_service(rdef, None, self, None)
}
}
impl ServiceFactory for Files {
type Request = ServiceRequest;
type Response = ServiceResponse;
type Error = Error;
type Config = ();
type Service = FilesService;
type InitError = ();
type Future = LocalBoxFuture<'static, Result<Self::Service, Self::InitError>>;
fn new_service(&self, _: ()) -> Self::Future {
let mut srv = FilesService {
directory: self.directory.clone(),
index: self.index.clone(),
show_index: self.show_index,
redirect_to_slash: self.redirect_to_slash,
default: None,
renderer: self.renderer.clone(),
mime_override: self.mime_override.clone(),
file_flags: self.file_flags,
guards: self.guards.clone(),
};
if let Some(ref default) = *self.default.borrow() {
default
.new_service(())
.map(move |result| match result {
Ok(default) => {
srv.default = Some(default);
Ok(srv)
}
Err(_) => Err(()),
})
.boxed_local()
} else {
ok(srv).boxed_local()
}
}
}
#[cfg(test)]
mod tests {
use std::{
@ -293,6 +61,7 @@ mod tests {
time::{Duration, SystemTime},
};
use actix_service::ServiceFactory;
use actix_web::{
guard,
http::{
@ -303,6 +72,7 @@ mod tests {
test::{self, TestRequest},
web, App, HttpResponse, Responder,
};
use futures_util::future::ok;
use super::*;