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simplify StaticFile constructor, move HttpRange to separate module

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This commit is contained in:
Nikolay Kim 2019-03-06 09:27:02 -08:00
parent 6efc3438b8
commit 3fc28c5d07
3 changed files with 407 additions and 420 deletions
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447
actix-staticfiles/src/lib.rs
View file

@ -27,10 +27,12 @@ use futures::future::{ok, FutureResult};
mod config;
mod error;
mod named;
mod range;
use self::error::{StaticFilesError, UriSegmentError};
pub use crate::config::{DefaultConfig, StaticFileConfig};
pub use crate::named::NamedFile;
pub use crate::range::HttpRange;
type HttpNewService<P> = BoxedNewService<(), ServiceRequest<P>, ServiceResponse, (), ()>;
@ -212,17 +214,15 @@ fn directory_listing(
/// Static files handling
///
/// `StaticFile` handler must be registered with `App::handler()` method,
/// because `StaticFile` handler requires access sub-path information.
/// `StaticFile` handler must be registered with `App::service()` method.
///
/// ```rust,ignore
/// # extern crate actix_web;
/// use actix_web::{fs, App};
/// ```rust
/// use actix_web::App;
/// use actix_staticfiles as fs;
///
/// fn main() {
/// let app = App::new()
/// .handler("/static", fs::StaticFiles::new(".").unwrap())
/// .finish();
/// .service(fs::StaticFiles::new("/static", "."));
/// }
/// ```
pub struct StaticFiles<S, C = DefaultConfig> {
@ -243,7 +243,7 @@ impl<S: 'static> StaticFiles<S> {
/// `StaticFile` 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_CPU_POOL environment variable.
pub fn new<T: Into<PathBuf>>(path: &str, dir: T) -> Result<StaticFiles<S>, Error> {
pub fn new<T: Into<PathBuf>>(path: &str, dir: T) -> StaticFiles<S> {
Self::with_config(path, dir, DefaultConfig)
}
}
@ -252,18 +252,13 @@ impl<S: 'static, C: StaticFileConfig> StaticFiles<S, C> {
/// Create new `StaticFiles` instance for specified base directory.
///
/// Identical with `new` but allows to specify configiration to use.
pub fn with_config<T: Into<PathBuf>>(
path: &str,
dir: T,
_: C,
) -> Result<StaticFiles<S, C>, Error> {
let dir = dir.into().canonicalize()?;
pub fn with_config<T: Into<PathBuf>>(path: &str, dir: T, _: C) -> StaticFiles<S, C> {
let dir = dir.into().canonicalize().unwrap_or_else(|_| PathBuf::new());
if !dir.is_dir() {
return Err(StaticFilesError::IsNotDirectory.into());
log::error!("Specified path is not a directory");
}
Ok(StaticFiles {
StaticFiles {
path: ResourceDef::root_prefix(path),
directory: dir,
index: None,
@ -273,7 +268,7 @@ impl<S: 'static, C: StaticFileConfig> StaticFiles<S, C> {
_chunk_size: 0,
_follow_symlinks: false,
_cd_map: PhantomData,
})
}
}
/// Show files listing for directories.
@ -452,101 +447,6 @@ impl<P> FromRequest<P> for PathBufWrp {
}
}
/// HTTP Range header representation.
#[derive(Debug, Clone, Copy)]
struct HttpRange {
pub start: u64,
pub length: u64,
}
static PREFIX: &'static str = "bytes=";
const PREFIX_LEN: usize = 6;
impl HttpRange {
/// Parses Range HTTP header string as per RFC 2616.
///
/// `header` is HTTP Range header (e.g. `bytes=bytes=0-9`).
/// `size` is full size of response (file).
fn parse(header: &str, size: u64) -> Result<Vec<HttpRange>, ()> {
if header.is_empty() {
return Ok(Vec::new());
}
if !header.starts_with(PREFIX) {
return Err(());
}
let size_sig = size as i64;
let mut no_overlap = false;
let all_ranges: Vec<Option<HttpRange>> = header[PREFIX_LEN..]
.split(',')
.map(|x| x.trim())
.filter(|x| !x.is_empty())
.map(|ra| {
let mut start_end_iter = ra.split('-');
let start_str = start_end_iter.next().ok_or(())?.trim();
let end_str = start_end_iter.next().ok_or(())?.trim();
if start_str.is_empty() {
// If no start is specified, end specifies the
// range start relative to the end of the file.
let mut length: i64 = end_str.parse().map_err(|_| ())?;
if length > size_sig {
length = size_sig;
}
Ok(Some(HttpRange {
start: (size_sig - length) as u64,
length: length as u64,
}))
} else {
let start: i64 = start_str.parse().map_err(|_| ())?;
if start < 0 {
return Err(());
}
if start >= size_sig {
no_overlap = true;
return Ok(None);
}
let length = if end_str.is_empty() {
// If no end is specified, range extends to end of the file.
size_sig - start
} else {
let mut end: i64 = end_str.parse().map_err(|_| ())?;
if start > end {
return Err(());
}
if end >= size_sig {
end = size_sig - 1;
}
end - start + 1
};
Ok(Some(HttpRange {
start: start as u64,
length: length as u64,
}))
}
})
.collect::<Result<_, _>>()?;
let ranges: Vec<HttpRange> = all_ranges.into_iter().filter_map(|x| x).collect();
if no_overlap && ranges.is_empty() {
return Err(());
}
Ok(ranges)
}
}
#[cfg(test)]
mod tests {
use std::fs;
@ -800,11 +700,7 @@ mod tests {
#[test]
fn test_named_file_ranges_status_code() {
let mut srv = test::init_service(
App::new().service(
StaticFiles::new("/test", ".")
.unwrap()
.index_file("Cargo.toml"),
),
App::new().service(StaticFiles::new("/test", ".").index_file("Cargo.toml")),
);
// Valid range header
@ -828,11 +724,8 @@ mod tests {
#[test]
fn test_named_file_content_range_headers() {
let mut srv = test::init_service(
App::new().service(
StaticFiles::new("/test", ".")
.unwrap()
.index_file("tests/test.binary"),
),
App::new()
.service(StaticFiles::new("/test", ".").index_file("tests/test.binary")),
);
// Valid range header
@ -871,11 +764,8 @@ mod tests {
#[test]
fn test_named_file_content_length_headers() {
let mut srv = test::init_service(
App::new().service(
StaticFiles::new("test", ".")
.unwrap()
.index_file("tests/test.binary"),
),
App::new()
.service(StaticFiles::new("test", ".").index_file("tests/test.binary")),
);
// Valid range header
@ -948,8 +838,7 @@ mod tests {
#[test]
fn test_static_files_with_spaces() {
let mut srv = test::init_service(
App::new()
.service(StaticFiles::new("/", ".").unwrap().index_file("Cargo.toml")),
App::new().service(StaticFiles::new("/", ".").index_file("Cargo.toml")),
);
let request = TestRequest::get()
.uri("/tests/test%20space.binary")
@ -1030,22 +919,21 @@ mod tests {
#[test]
fn test_static_files() {
let mut srv = test::init_service(
App::new().service(StaticFiles::new("/", ".").unwrap().show_files_listing()),
App::new().service(StaticFiles::new("/", ".").show_files_listing()),
);
let req = TestRequest::with_uri("/missing").to_request();
let resp = test::call_success(&mut srv, req);
assert_eq!(resp.status(), StatusCode::NOT_FOUND);
let mut srv =
test::init_service(App::new().service(StaticFiles::new("/", ".").unwrap()));
let mut srv = test::init_service(App::new().service(StaticFiles::new("/", ".")));
let req = TestRequest::default().to_request();
let resp = test::call_success(&mut srv, req);
assert_eq!(resp.status(), StatusCode::NOT_FOUND);
let mut srv = test::init_service(
App::new().service(StaticFiles::new("/", ".").unwrap().show_files_listing()),
App::new().service(StaticFiles::new("/", ".").show_files_listing()),
);
let req = TestRequest::with_uri("/tests").to_request();
let mut resp = test::call_success(&mut srv, req);
@ -1065,17 +953,13 @@ mod tests {
#[test]
fn test_static_files_bad_directory() {
let st: Result<StaticFiles<()>, Error> = StaticFiles::new("/", "missing");
assert!(st.is_err());
let st: Result<StaticFiles<()>, Error> = StaticFiles::new("/", "Cargo.toml");
assert!(st.is_err());
let _st: StaticFiles<()> = StaticFiles::new("/", "missing");
let _st: StaticFiles<()> = StaticFiles::new("/", "Cargo.toml");
}
// #[test]
// fn test_default_handler_file_missing() {
// let st = StaticFiles::new(".")
// .unwrap()
// .default_handler(|_: &_| "default content");
// let req = TestRequest::with_uri("/missing")
// .param("tail", "missing")
@ -1092,7 +976,7 @@ mod tests {
// #[test]
// fn test_serve_index() {
// let st = StaticFiles::new(".").unwrap().index_file("test.binary");
// let st = StaticFiles::new(".").index_file("test.binary");
// let req = TestRequest::default().uri("/tests").finish();
// let resp = st.handle(&req).respond_to(&req).unwrap();
@ -1138,7 +1022,7 @@ mod tests {
// #[test]
// fn test_serve_index_nested() {
// let st = StaticFiles::new(".").unwrap().index_file("mod.rs");
// let st = StaticFiles::new(".").index_file("mod.rs");
// let req = TestRequest::default().uri("/src/client").finish();
// let resp = st.handle(&req).respond_to(&req).unwrap();
// let resp = resp.as_msg();
@ -1158,7 +1042,7 @@ mod tests {
// let mut srv = test::TestServer::with_factory(|| {
// App::new().handler(
// "test",
// StaticFiles::new(".").unwrap().index_file("Cargo.toml"),
// StaticFiles::new(".").index_file("Cargo.toml"),
// )
// });
@ -1191,7 +1075,7 @@ mod tests {
// let mut srv = test::TestServer::with_factory(|| {
// App::new().handler(
// "test",
// StaticFiles::new(".").unwrap().index_file("Cargo.toml"),
// StaticFiles::new(".").index_file("Cargo.toml"),
// )
// });
@ -1204,279 +1088,4 @@ mod tests {
// assert_eq!(response.status(), StatusCode::OK);
// }
struct T(&'static str, u64, Vec<HttpRange>);
#[test]
fn test_parse() {
let tests = vec![
T("", 0, vec![]),
T("", 1000, vec![]),
T("foo", 0, vec![]),
T("bytes=", 0, vec![]),
T("bytes=7", 10, vec![]),
T("bytes= 7 ", 10, vec![]),
T("bytes=1-", 0, vec![]),
T("bytes=5-4", 10, vec![]),
T("bytes=0-2,5-4", 10, vec![]),
T("bytes=2-5,4-3", 10, vec![]),
T("bytes=--5,4--3", 10, vec![]),
T("bytes=A-", 10, vec![]),
T("bytes=A- ", 10, vec![]),
T("bytes=A-Z", 10, vec![]),
T("bytes= -Z", 10, vec![]),
T("bytes=5-Z", 10, vec![]),
T("bytes=Ran-dom, garbage", 10, vec![]),
T("bytes=0x01-0x02", 10, vec![]),
T("bytes= ", 10, vec![]),
T("bytes= , , , ", 10, vec![]),
T(
"bytes=0-9",
10,
vec![HttpRange {
start: 0,
length: 10,
}],
),
T(
"bytes=0-",
10,
vec![HttpRange {
start: 0,
length: 10,
}],
),
T(
"bytes=5-",
10,
vec![HttpRange {
start: 5,
length: 5,
}],
),
T(
"bytes=0-20",
10,
vec![HttpRange {
start: 0,
length: 10,
}],
),
T(
"bytes=15-,0-5",
10,
vec![HttpRange {
start: 0,
length: 6,
}],
),
T(
"bytes=1-2,5-",
10,
vec![
HttpRange {
start: 1,
length: 2,
},
HttpRange {
start: 5,
length: 5,
},
],
),
T(
"bytes=-2 , 7-",
11,
vec![
HttpRange {
start: 9,
length: 2,
},
HttpRange {
start: 7,
length: 4,
},
],
),
T(
"bytes=0-0 ,2-2, 7-",
11,
vec![
HttpRange {
start: 0,
length: 1,
},
HttpRange {
start: 2,
length: 1,
},
HttpRange {
start: 7,
length: 4,
},
],
),
T(
"bytes=-5",
10,
vec![HttpRange {
start: 5,
length: 5,
}],
),
T(
"bytes=-15",
10,
vec![HttpRange {
start: 0,
length: 10,
}],
),
T(
"bytes=0-499",
10000,
vec![HttpRange {
start: 0,
length: 500,
}],
),
T(
"bytes=500-999",
10000,
vec![HttpRange {
start: 500,
length: 500,
}],
),
T(
"bytes=-500",
10000,
vec![HttpRange {
start: 9500,
length: 500,
}],
),
T(
"bytes=9500-",
10000,
vec![HttpRange {
start: 9500,
length: 500,
}],
),
T(
"bytes=0-0,-1",
10000,
vec![
HttpRange {
start: 0,
length: 1,
},
HttpRange {
start: 9999,
length: 1,
},
],
),
T(
"bytes=500-600,601-999",
10000,
vec![
HttpRange {
start: 500,
length: 101,
},
HttpRange {
start: 601,
length: 399,
},
],
),
T(
"bytes=500-700,601-999",
10000,
vec![
HttpRange {
start: 500,
length: 201,
},
HttpRange {
start: 601,
length: 399,
},
],
),
// Match Apache laxity:
T(
"bytes= 1 -2 , 4- 5, 7 - 8 , ,,",
11,
vec![
HttpRange {
start: 1,
length: 2,
},
HttpRange {
start: 4,
length: 2,
},
HttpRange {
start: 7,
length: 2,
},
],
),
];
for t in tests {
let header = t.0;
let size = t.1;
let expected = t.2;
let res = HttpRange::parse(header, size);
if res.is_err() {
if expected.is_empty() {
continue;
} else {
assert!(
false,
"parse({}, {}) returned error {:?}",
header,
size,
res.unwrap_err()
);
}
}
let got = res.unwrap();
if got.len() != expected.len() {
assert!(
false,
"len(parseRange({}, {})) = {}, want {}",
header,
size,
got.len(),
expected.len()
);
continue;
}
for i in 0..expected.len() {
if got[i].start != expected[i].start {
assert!(
false,
"parseRange({}, {})[{}].start = {}, want {}",
header, size, i, got[i].start, expected[i].start
)
}
if got[i].length != expected[i].length {
assert!(
false,
"parseRange({}, {})[{}].length = {}, want {}",
header, size, i, got[i].length, expected[i].length
)
}
}
}
}
}

5
actix-staticfiles/src/named.rs
View file

@ -17,7 +17,8 @@ use actix_web::http::{ContentEncoding, Method, StatusCode};
use actix_web::{HttpMessage, HttpRequest, HttpResponse, Responder};
use crate::config::{DefaultConfig, StaticFileConfig};
use crate::{ChunkedReadFile, HttpRange};
use crate::range::HttpRange;
use crate::ChunkedReadFile;
/// A file with an associated name.
#[derive(Debug)]
@ -303,6 +304,8 @@ impl<C: StaticFileConfig> Responder for NamedFile<C> {
type Future = Result<HttpResponse, Error>;
fn respond_to(self, req: &HttpRequest) -> Self::Future {
println!("RESP: {:?}", req);
if self.status_code != StatusCode::OK {
let mut resp = HttpResponse::build(self.status_code);
resp.set(header::ContentType(self.content_type.clone()))

375
actix-staticfiles/src/range.rs Normal file
View file

@ -0,0 +1,375 @@
/// HTTP Range header representation.
#[derive(Debug, Clone, Copy)]
pub struct HttpRange {
pub start: u64,
pub length: u64,
}
static PREFIX: &'static str = "bytes=";
const PREFIX_LEN: usize = 6;
impl HttpRange {
/// Parses Range HTTP header string as per RFC 2616.
///
/// `header` is HTTP Range header (e.g. `bytes=bytes=0-9`).
/// `size` is full size of response (file).
pub fn parse(header: &str, size: u64) -> Result<Vec<HttpRange>, ()> {
if header.is_empty() {
return Ok(Vec::new());
}
if !header.starts_with(PREFIX) {
return Err(());
}
let size_sig = size as i64;
let mut no_overlap = false;
let all_ranges: Vec<Option<HttpRange>> = header[PREFIX_LEN..]
.split(',')
.map(|x| x.trim())
.filter(|x| !x.is_empty())
.map(|ra| {
let mut start_end_iter = ra.split('-');
let start_str = start_end_iter.next().ok_or(())?.trim();
let end_str = start_end_iter.next().ok_or(())?.trim();
if start_str.is_empty() {
// If no start is specified, end specifies the
// range start relative to the end of the file.
let mut length: i64 = end_str.parse().map_err(|_| ())?;
if length > size_sig {
length = size_sig;
}
Ok(Some(HttpRange {
start: (size_sig - length) as u64,
length: length as u64,
}))
} else {
let start: i64 = start_str.parse().map_err(|_| ())?;
if start < 0 {
return Err(());
}
if start >= size_sig {
no_overlap = true;
return Ok(None);
}
let length = if end_str.is_empty() {
// If no end is specified, range extends to end of the file.
size_sig - start
} else {
let mut end: i64 = end_str.parse().map_err(|_| ())?;
if start > end {
return Err(());
}
if end >= size_sig {
end = size_sig - 1;
}
end - start + 1
};
Ok(Some(HttpRange {
start: start as u64,
length: length as u64,
}))
}
})
.collect::<Result<_, _>>()?;
let ranges: Vec<HttpRange> = all_ranges.into_iter().filter_map(|x| x).collect();
if no_overlap && ranges.is_empty() {
return Err(());
}
Ok(ranges)
}
}
#[cfg(test)]
mod tests {
use super::*;
struct T(&'static str, u64, Vec<HttpRange>);
#[test]
fn test_parse() {
let tests = vec![
T("", 0, vec![]),
T("", 1000, vec![]),
T("foo", 0, vec![]),
T("bytes=", 0, vec![]),
T("bytes=7", 10, vec![]),
T("bytes= 7 ", 10, vec![]),
T("bytes=1-", 0, vec![]),
T("bytes=5-4", 10, vec![]),
T("bytes=0-2,5-4", 10, vec![]),
T("bytes=2-5,4-3", 10, vec![]),
T("bytes=--5,4--3", 10, vec![]),
T("bytes=A-", 10, vec![]),
T("bytes=A- ", 10, vec![]),
T("bytes=A-Z", 10, vec![]),
T("bytes= -Z", 10, vec![]),
T("bytes=5-Z", 10, vec![]),
T("bytes=Ran-dom, garbage", 10, vec![]),
T("bytes=0x01-0x02", 10, vec![]),
T("bytes= ", 10, vec![]),
T("bytes= , , , ", 10, vec![]),
T(
"bytes=0-9",
10,
vec![HttpRange {
start: 0,
length: 10,
}],
),
T(
"bytes=0-",
10,
vec![HttpRange {
start: 0,
length: 10,
}],
),
T(
"bytes=5-",
10,
vec![HttpRange {
start: 5,
length: 5,
}],
),
T(
"bytes=0-20",
10,
vec![HttpRange {
start: 0,
length: 10,
}],
),
T(
"bytes=15-,0-5",
10,
vec![HttpRange {
start: 0,
length: 6,
}],
),
T(
"bytes=1-2,5-",
10,
vec![
HttpRange {
start: 1,
length: 2,
},
HttpRange {
start: 5,
length: 5,
},
],
),
T(
"bytes=-2 , 7-",
11,
vec![
HttpRange {
start: 9,
length: 2,
},
HttpRange {
start: 7,
length: 4,
},
],
),
T(
"bytes=0-0 ,2-2, 7-",
11,
vec![
HttpRange {
start: 0,
length: 1,
},
HttpRange {
start: 2,
length: 1,
},
HttpRange {
start: 7,
length: 4,
},
],
),
T(
"bytes=-5",
10,
vec![HttpRange {
start: 5,
length: 5,
}],
),
T(
"bytes=-15",
10,
vec![HttpRange {
start: 0,
length: 10,
}],
),
T(
"bytes=0-499",
10000,
vec![HttpRange {
start: 0,
length: 500,
}],
),
T(
"bytes=500-999",
10000,
vec![HttpRange {
start: 500,
length: 500,
}],
),
T(
"bytes=-500",
10000,
vec![HttpRange {
start: 9500,
length: 500,
}],
),
T(
"bytes=9500-",
10000,
vec![HttpRange {
start: 9500,
length: 500,
}],
),
T(
"bytes=0-0,-1",
10000,
vec![
HttpRange {
start: 0,
length: 1,
},
HttpRange {
start: 9999,
length: 1,
},
],
),
T(
"bytes=500-600,601-999",
10000,
vec![
HttpRange {
start: 500,
length: 101,
},
HttpRange {
start: 601,
length: 399,
},
],
),
T(
"bytes=500-700,601-999",
10000,
vec![
HttpRange {
start: 500,
length: 201,
},
HttpRange {
start: 601,
length: 399,
},
],
),
// Match Apache laxity:
T(
"bytes= 1 -2 , 4- 5, 7 - 8 , ,,",
11,
vec![
HttpRange {
start: 1,
length: 2,
},
HttpRange {
start: 4,
length: 2,
},
HttpRange {
start: 7,
length: 2,
},
],
),
];
for t in tests {
let header = t.0;
let size = t.1;
let expected = t.2;
let res = HttpRange::parse(header, size);
if res.is_err() {
if expected.is_empty() {
continue;
} else {
assert!(
false,
"parse({}, {}) returned error {:?}",
header,
size,
res.unwrap_err()
);
}
}
let got = res.unwrap();
if got.len() != expected.len() {
assert!(
false,
"len(parseRange({}, {})) = {}, want {}",
header,
size,
got.len(),
expected.len()
);
continue;
}
for i in 0..expected.len() {
if got[i].start != expected[i].start {
assert!(
false,
"parseRange({}, {})[{}].start = {}, want {}",
header, size, i, got[i].start, expected[i].start
)
}
if got[i].length != expected[i].length {
assert!(
false,
"parseRange({}, {})[{}].length = {}, want {}",
header, size, i, got[i].length, expected[i].length
)
}
}
}
}
}