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port hyper header

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This commit is contained in:
Nikolay Kim 2018-03-06 00:43:25 -08:00
parent e182ed33b1
commit 32b5544ad9
36 changed files with 3639 additions and 166 deletions
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2
CHANGES.md
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@ -4,6 +4,8 @@
* Enable compression support for `NamedFile`
* Better support for `NamedFile` type
* Add `ResponseError` impl for `SendRequestError`.
This improves ergonomics of http client.

3
Cargo.toml
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@ -48,7 +48,7 @@ http-range = "0.1"
libc = "0.2"
log = "0.4"
mime = "0.3"
mime_guess = "1.8"
mime_guess = "2.0.0-alpha"
num_cpus = "1.0"
percent-encoding = "1.0"
rand = "0.4"
@ -59,6 +59,7 @@ sha1 = "0.6"
smallvec = "0.6"
time = "0.1"
encoding = "0.2"
language-tags = "0.2"
url = { version="1.7", features=["query_encoding"] }
cookie = { version="0.10", features=["percent-encode", "secure"] }

164
src/fs.rs
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@ -4,15 +4,21 @@
use std::io;
use std::io::Read;
use std::fmt::Write;
use std::fs::{File, DirEntry};
use std::fs::{File, DirEntry, Metadata};
use std::path::{Path, PathBuf};
use std::ops::{Deref, DerefMut};
use std::time::{SystemTime, UNIX_EPOCH};
use http::{header, Method};
#[cfg(unix)]
use std::os::unix::fs::MetadataExt;
use http::{Method, StatusCode};
use mime_guess::get_mime_type;
use header;
use param::FromParam;
use handler::{Handler, Responder};
use httpmessage::HttpMessage;
use httprequest::HttpRequest;
use httpresponse::HttpResponse;
use httpcodes::{HttpOk, HttpFound, HttpMethodNotAllowed};
@ -20,7 +26,12 @@ use httpcodes::{HttpOk, HttpFound, HttpMethodNotAllowed};
/// A file with an associated name; responds with the Content-Type based on the
/// file extension.
#[derive(Debug)]
pub struct NamedFile(PathBuf, File);
pub struct NamedFile {
path: PathBuf,
file: File,
md: Metadata,
modified: Option<SystemTime>,
}
impl NamedFile {
/// Attempts to open a file in read-only mode.
@ -30,18 +41,20 @@ impl NamedFile {
/// ```rust
/// use actix_web::fs::NamedFile;
///
/// # #[allow(unused_variables)]
/// let file = NamedFile::open("foo.txt");
/// ```
pub fn open<P: AsRef<Path>>(path: P) -> io::Result<NamedFile> {
let file = File::open(path.as_ref())?;
Ok(NamedFile(path.as_ref().to_path_buf(), file))
let md = file.metadata()?;
let path = path.as_ref().to_path_buf();
let modified = md.modified().ok();
Ok(NamedFile{path, file, md, modified})
}
/// Returns reference to the underlying `File` object.
#[inline]
pub fn file(&self) -> &File {
&self.1
&self.file
}
/// Retrieve the path of this file.
@ -52,7 +65,6 @@ impl NamedFile {
/// # use std::io;
/// use actix_web::fs::NamedFile;
///
/// # #[allow(dead_code)]
/// # fn path() -> io::Result<()> {
/// let file = NamedFile::open("test.txt")?;
/// assert_eq!(file.path().as_os_str(), "foo.txt");
@ -61,7 +73,30 @@ impl NamedFile {
/// ```
#[inline]
pub fn path(&self) -> &Path {
self.0.as_path()
self.path.as_path()
}
fn etag(&self) -> Option<header::EntityTag> {
// This etag format is similar to Apache's.
self.modified.as_ref().map(|mtime| {
let ino = {
#[cfg(unix)]
{ self.md.ino() }
#[cfg(not(unix))]
{ 0 }
};
let dur = mtime.duration_since(UNIX_EPOCH)
.expect("modification time must be after epoch");
header::EntityTag::strong(
format!("{:x}:{:x}:{:x}:{:x}",
ino, self.md.len(), dur.as_secs(),
dur.subsec_nanos()))
})
}
fn last_modified(&self) -> Option<header::HttpDate> {
self.modified.map(|mtime| mtime.into())
}
}
@ -69,35 +104,112 @@ impl Deref for NamedFile {
type Target = File;
fn deref(&self) -> &File {
&self.1
&self.file
}
}
impl DerefMut for NamedFile {
fn deref_mut(&mut self) -> &mut File {
&mut self.1
&mut self.file
}
}
/// Returns true if `req` has no `If-Match` header or one which matches `etag`.
fn any_match(etag: Option<&header::EntityTag>, req: &HttpRequest) -> bool {
match req.get_header::<header::IfMatch>() {
Err(_) | Ok(header::IfMatch::Any) => true,
Ok(header::IfMatch::Items(ref items)) => {
if let Some(some_etag) = etag {
for item in items {
if item.strong_eq(some_etag) {
return true;
}
}
}
false
}
}
}
/// Returns true if `req` doesn't have an `If-None-Match` header matching `req`.
fn none_match(etag: Option<&header::EntityTag>, req: &HttpRequest) -> bool {
match req.get_header::<header::IfNoneMatch>() {
Ok(header::IfNoneMatch::Any) => false,
Ok(header::IfNoneMatch::Items(ref items)) => {
if let Some(some_etag) = etag {
for item in items {
if item.weak_eq(some_etag) {
return false;
}
}
}
true
}
Err(_) => true,
}
}
impl Responder for NamedFile {
type Item = HttpResponse;
type Error = io::Error;
fn respond_to(mut self, req: HttpRequest) -> Result<HttpResponse, io::Error> {
if *req.method() != Method::GET && *req.method() != Method::HEAD {
Ok(HttpMethodNotAllowed.build()
.header(header::CONTENT_TYPE, "text/plain")
.header(header::ALLOW, "GET, HEAD")
.body("This resource only supports GET and HEAD.").unwrap())
return Ok(HttpMethodNotAllowed.build()
.header(header::http::CONTENT_TYPE, "text/plain")
.header(header::http::ALLOW, "GET, HEAD")
.body("This resource only supports GET and HEAD.").unwrap())
}
let etag = self.etag();
let last_modified = self.last_modified();
// check preconditions
let precondition_failed = if !any_match(etag.as_ref(), &req) {
true
} else if let (Some(ref m), Ok(header::IfUnmodifiedSince(ref since))) =
(last_modified, req.get_header())
{
m > since
} else {
let mut resp = HttpOk.build();
if let Some(ext) = self.path().extension() {
let mime = get_mime_type(&ext.to_string_lossy());
resp.content_type(format!("{}", mime).as_str());
}
false
};
// check last modified
let not_modified = if !none_match(etag.as_ref(), &req) {
true
} else if let (Some(ref m), Ok(header::IfModifiedSince(ref since))) =
(last_modified, req.get_header())
{
m <= since
} else {
false
};
let mut resp = HttpOk.build();
resp
.if_some(self.path().extension(), |ext, resp| {
resp.set(header::ContentType(get_mime_type(&ext.to_string_lossy())));
})
.if_some(last_modified, |lm, resp| {resp.set(header::LastModified(lm));})
.if_some(etag, |etag, resp| {resp.set(header::ETag(etag));});
if precondition_failed {
return Ok(resp.status(StatusCode::PRECONDITION_FAILED).finish().unwrap())
} else if not_modified {
return Ok(resp.status(StatusCode::NOT_MODIFIED).finish().unwrap())
}
resp.content_length(self.md.len());
if *req.method() == Method::GET {
let mut data = Vec::new();
let _ = self.1.read_to_end(&mut data);
let _ = self.file.read_to_end(&mut data);
Ok(resp.body(data).unwrap())
} else {
Ok(resp.finish().unwrap())
}
}
}
@ -314,7 +426,8 @@ impl<S> Handler<S> for StaticFiles {
#[cfg(test)]
mod tests {
use super::*;
use http::{header, StatusCode};
use test::TestRequest;
use http::{header, Method, StatusCode};
#[test]
fn test_named_file() {
@ -328,6 +441,15 @@ mod tests {
assert_eq!(resp.headers().get(header::CONTENT_TYPE).unwrap(), "text/x-toml")
}
#[test]
fn test_named_file_not_allowed() {
let req = TestRequest::default().method(Method::POST).finish();
let file = NamedFile::open("Cargo.toml").unwrap();
let resp = file.respond_to(req).unwrap();
assert_eq!(resp.status(), StatusCode::METHOD_NOT_ALLOWED);
}
#[test]
fn test_static_files() {
let mut st = StaticFiles::new(".", true);

152
src/header/common/accept.rs Normal file
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@ -0,0 +1,152 @@
use mime::{self, Mime};
use header::{QualityItem, qitem, http};
header! {
/// `Accept` header, defined in [RFC7231](http://tools.ietf.org/html/rfc7231#section-5.3.2)
///
/// The `Accept` header field can be used by user agents to specify
/// response media types that are acceptable. Accept header fields can
/// be used to indicate that the request is specifically limited to a
/// small set of desired types, as in the case of a request for an
/// in-line image
///
/// # ABNF
///
/// ```text
/// Accept = #( media-range [ accept-params ] )
///
/// media-range = ( "*/*"
/// / ( type "/" "*" )
/// / ( type "/" subtype )
/// ) *( OWS ";" OWS parameter )
/// accept-params = weight *( accept-ext )
/// accept-ext = OWS ";" OWS token [ "=" ( token / quoted-string ) ]
/// ```
///
/// # Example values
/// * `audio/*; q=0.2, audio/basic`
/// * `text/plain; q=0.5, text/html, text/x-dvi; q=0.8, text/x-c`
///
/// # Examples
/// ```rust
/// # extern crate actix_web;
/// extern crate mime;
/// use actix_web::httpcodes::HttpOk;
/// use actix_web::header::{Accept, qitem};
///
/// let mut builder = HttpOk.build();
///
/// builder.set(
/// Accept(vec![
/// qitem(mime::TEXT_HTML),
/// ])
/// );
/// ```
///
/// ```rust
/// # extern crate actix_web;
/// extern crate mime;
/// use actix_web::httpcodes::HttpOk;
/// use actix_web::header::{Accept, qitem};
///
/// let mut builder = HttpOk.build();
///
/// builder.set(
/// Accept(vec![
/// qitem(mime::APPLICATION_JSON),
/// ])
/// );
/// ```
///
/// ```rust
/// # extern crate actix_web;
/// extern crate mime;
/// use actix_web::httpcodes::HttpOk;
/// use actix_web::header::{Accept, QualityItem, q, qitem};
///
/// let mut builder = HttpOk.build();
///
/// builder.set(
/// Accept(vec![
/// qitem(mime::TEXT_HTML),
/// qitem("application/xhtml+xml".parse().unwrap()),
/// QualityItem::new(
/// mime::TEXT_XML,
/// q(900)
/// ),
/// qitem("image/webp".parse().unwrap()),
/// QualityItem::new(
/// mime::STAR_STAR,
/// q(800)
/// ),
/// ])
/// );
/// ```
(Accept, http::ACCEPT) => (QualityItem<Mime>)+
test_accept {
// Tests from the RFC
test_header!(
test1,
vec![b"audio/*; q=0.2, audio/basic"],
Some(HeaderField(vec![
QualityItem::new("audio/*".parse().unwrap(), q(200)),
qitem("audio/basic".parse().unwrap()),
])));
test_header!(
test2,
vec![b"text/plain; q=0.5, text/html, text/x-dvi; q=0.8, text/x-c"],
Some(HeaderField(vec![
QualityItem::new(TEXT_PLAIN, q(500)),
qitem(TEXT_HTML),
QualityItem::new(
"text/x-dvi".parse().unwrap(),
q(800)),
qitem("text/x-c".parse().unwrap()),
])));
// Custom tests
test_header!(
test3,
vec![b"text/plain; charset=utf-8"],
Some(Accept(vec![
qitem(TEXT_PLAIN_UTF_8),
])));
test_header!(
test4,
vec![b"text/plain; charset=utf-8; q=0.5"],
Some(Accept(vec![
QualityItem::new(TEXT_PLAIN_UTF_8,
q(500)),
])));
#[test]
fn test_fuzzing1() {
use test::TestRequest;
let req = TestRequest::with_header(http::ACCEPT, "chunk#;e").finish();
let header = Accept::parse(&req);
assert!(header.is_ok());
}
}
}
impl Accept {
/// A constructor to easily create `Accept: */*`.
pub fn star() -> Accept {
Accept(vec![qitem(mime::STAR_STAR)])
}
/// A constructor to easily create `Accept: application/json`.
pub fn json() -> Accept {
Accept(vec![qitem(mime::APPLICATION_JSON)])
}
/// A constructor to easily create `Accept: text/*`.
pub fn text() -> Accept {
Accept(vec![qitem(mime::TEXT_STAR)])
}
/// A constructor to easily create `Accept: image/*`.
pub fn image() -> Accept {
Accept(vec![qitem(mime::IMAGE_STAR)])
}
}

63
src/header/common/accept_charset.rs Normal file
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@ -0,0 +1,63 @@
use header::{http, Charset, QualityItem};
header! {
/// `Accept-Charset` header, defined in
/// [RFC7231](http://tools.ietf.org/html/rfc7231#section-5.3.3)
///
/// The `Accept-Charset` header field can be sent by a user agent to
/// indicate what charsets are acceptable in textual response content.
/// This field allows user agents capable of understanding more
/// comprehensive or special-purpose charsets to signal that capability
/// to an origin server that is capable of representing information in
/// those charsets.
///
/// # ABNF
///
/// ```text
/// Accept-Charset = 1#( ( charset / "*" ) [ weight ] )
/// ```
///
/// # Example values
/// * `iso-8859-5, unicode-1-1;q=0.8`
///
/// # Examples
/// ```rust
/// # extern crate actix_web;
/// use actix_web::httpcodes::HttpOk;
/// use actix_web::header::{AcceptCharset, Charset, qitem};
///
/// let mut builder = HttpOk.build();
/// builder.set(
/// AcceptCharset(vec![qitem(Charset::Us_Ascii)])
/// );
/// ```
/// ```rust
/// # extern crate actix_web;
/// use actix_web::httpcodes::HttpOk;
/// use actix_web::header::{AcceptCharset, Charset, q, QualityItem};
///
/// let mut builder = HttpOk.build();
/// builder.set(
/// AcceptCharset(vec![
/// QualityItem::new(Charset::Us_Ascii, q(900)),
/// QualityItem::new(Charset::Iso_8859_10, q(200)),
/// ])
/// );
/// ```
/// ```rust
/// # extern crate actix_web;
/// use actix_web::httpcodes::HttpOk;
/// use actix_web::header::{AcceptCharset, Charset, qitem};
///
/// let mut builder = HttpOk.build();
/// builder.set(
/// AcceptCharset(vec![qitem(Charset::Ext("utf-8".to_owned()))])
/// );
/// ```
(AcceptCharset, http::ACCEPT_CHARSET) => (QualityItem<Charset>)+
test_accept_charset {
/// Testcase from RFC
test_header!(test1, vec![b"iso-8859-5, unicode-1-1;q=0.8"]);
}
}

72
src/header/common/accept_encoding.rs Normal file
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@ -0,0 +1,72 @@
use header::{Encoding, QualityItem};
header! {
/// `Accept-Encoding` header, defined in
/// [RFC7231](http://tools.ietf.org/html/rfc7231#section-5.3.4)
///
/// The `Accept-Encoding` header field can be used by user agents to
/// indicate what response content-codings are
/// acceptable in the response. An `identity` token is used as a synonym
/// for "no encoding" in order to communicate when no encoding is
/// preferred.
///
/// # ABNF
///
/// ```text
/// Accept-Encoding = #( codings [ weight ] )
/// codings = content-coding / "identity" / "*"
/// ```
///
/// # Example values
/// * `compress, gzip`
/// * ``
/// * `*`
/// * `compress;q=0.5, gzip;q=1`
/// * `gzip;q=1.0, identity; q=0.5, *;q=0`
///
/// # Examples
/// ```
/// use hyper::header::{Headers, AcceptEncoding, Encoding, qitem};
///
/// let mut headers = Headers::new();
/// headers.set(
/// AcceptEncoding(vec![qitem(Encoding::Chunked)])
/// );
/// ```
/// ```
/// use hyper::header::{Headers, AcceptEncoding, Encoding, qitem};
///
/// let mut headers = Headers::new();
/// headers.set(
/// AcceptEncoding(vec![
/// qitem(Encoding::Chunked),
/// qitem(Encoding::Gzip),
/// qitem(Encoding::Deflate),
/// ])
/// );
/// ```
/// ```
/// use hyper::header::{Headers, AcceptEncoding, Encoding, QualityItem, q, qitem};
///
/// let mut headers = Headers::new();
/// headers.set(
/// AcceptEncoding(vec![
/// qitem(Encoding::Chunked),
/// QualityItem::new(Encoding::Gzip, q(600)),
/// QualityItem::new(Encoding::EncodingExt("*".to_owned()), q(0)),
/// ])
/// );
/// ```
(AcceptEncoding, "Accept-Encoding") => (QualityItem<Encoding>)*
test_accept_encoding {
// From the RFC
test_header!(test1, vec![b"compress, gzip"]);
test_header!(test2, vec![b""], Some(AcceptEncoding(vec![])));
test_header!(test3, vec![b"*"]);
// Note: Removed quality 1 from gzip
test_header!(test4, vec![b"compress;q=0.5, gzip"]);
// Note: Removed quality 1 from gzip
test_header!(test5, vec![b"gzip, identity; q=0.5, *;q=0"]);
}
}

74
src/header/common/accept_language.rs Normal file
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@ -0,0 +1,74 @@
use language_tags::LanguageTag;
use header::{http, QualityItem};
header! {
/// `Accept-Language` header, defined in
/// [RFC7231](http://tools.ietf.org/html/rfc7231#section-5.3.5)
///
/// The `Accept-Language` header field can be used by user agents to
/// indicate the set of natural languages that are preferred in the
/// response.
///
/// # ABNF
///
/// ```text
/// Accept-Language = 1#( language-range [ weight ] )
/// language-range = <language-range, see [RFC4647], Section 2.1>
/// ```
///
/// # Example values
/// * `da, en-gb;q=0.8, en;q=0.7`
/// * `en-us;q=1.0, en;q=0.5, fr`
///
/// # Examples
///
/// ```rust
/// # extern crate actix_web;
/// # extern crate language_tags;
/// use actix_web::httpcodes::HttpOk;
/// use actix_web::header::{AcceptLanguage, LanguageTag, qitem};
///
/// let mut builder = HttpOk.build();
/// let mut langtag: LanguageTag = Default::default();
/// langtag.language = Some("en".to_owned());
/// langtag.region = Some("US".to_owned());
/// builder.set(
/// AcceptLanguage(vec![
/// qitem(langtag),
/// ])
/// );
/// ```
///
/// ```rust
/// # extern crate actix_web;
/// # #[macro_use] extern crate language_tags;
/// use actix_web::httpcodes::HttpOk;
/// use actix_web::header::{AcceptLanguage, QualityItem, q, qitem};
/// #
/// # fn main() {
/// let mut builder = HttpOk.build();
/// builder.set(
/// AcceptLanguage(vec![
/// qitem(langtag!(da)),
/// QualityItem::new(langtag!(en;;;GB), q(800)),
/// QualityItem::new(langtag!(en), q(700)),
/// ])
/// );
/// # }
/// ```
(AcceptLanguage, http::ACCEPT_LANGUAGE) => (QualityItem<LanguageTag>)+
test_accept_language {
// From the RFC
test_header!(test1, vec![b"da, en-gb;q=0.8, en;q=0.7"]);
// Own test
test_header!(
test2, vec![b"en-US, en; q=0.5, fr"],
Some(AcceptLanguage(vec![
qitem("en-US".parse().unwrap()),
QualityItem::new("en".parse().unwrap(), q(500)),
qitem("fr".parse().unwrap()),
])));
}
}

81
src/header/common/allow.rs Normal file
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@ -0,0 +1,81 @@
use http::Method;
use header::http;
header! {
/// `Allow` header, defined in [RFC7231](http://tools.ietf.org/html/rfc7231#section-7.4.1)
///
/// The `Allow` header field lists the set of methods advertised as
/// supported by the target resource. The purpose of this field is
/// strictly to inform the recipient of valid request methods associated
/// with the resource.
///
/// # ABNF
///
/// ```text
/// Allow = #method
/// ```
///
/// # Example values
/// * `GET, HEAD, PUT`
/// * `OPTIONS, GET, PUT, POST, DELETE, HEAD, TRACE, CONNECT, PATCH, fOObAr`
/// * ``
///
/// # Examples
///
/// ```rust
/// # extern crate http;
/// # extern crate actix_web;
/// use actix_web::httpcodes::HttpOk;
/// use actix_web::header::Allow;
/// use http::Method;
///
/// let mut builder = HttpOk.build();
/// builder.set(
/// Allow(vec![Method::GET])
/// );
/// ```
///
/// ```rust
/// # extern crate http;
/// # extern crate actix_web;
/// use actix_web::httpcodes::HttpOk;
/// use actix_web::header::Allow;
/// use http::Method;
///
/// let mut builder = HttpOk.build();
/// builder.set(
/// Allow(vec![
/// Method::GET,
/// Method::POST,
/// Method::PATCH,
/// ])
/// );
/// ```
(Allow, http::ALLOW) => (Method)*
test_allow {
// From the RFC
test_header!(
test1,
vec![b"GET, HEAD, PUT"],
Some(HeaderField(vec![Method::GET, Method::HEAD, Method::PUT])));
// Own tests
test_header!(
test2,
vec![b"OPTIONS, GET, PUT, POST, DELETE, HEAD, TRACE, CONNECT, PATCH"],
Some(HeaderField(vec![
Method::OPTIONS,
Method::GET,
Method::PUT,
Method::POST,
Method::DELETE,
Method::HEAD,
Method::TRACE,
Method::CONNECT,
Method::PATCH])));
test_header!(
test3,
vec![b""],
Some(HeaderField(Vec::<Method>::new())));
}
}

231
src/header/common/cache_control.rs Normal file
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@ -0,0 +1,231 @@
use std::fmt::{self, Write};
use std::str::FromStr;
use header::{Header, IntoHeaderValue, Writer};
use header::{http, from_comma_delimited, fmt_comma_delimited};
/// `Cache-Control` header, defined in [RFC7234](https://tools.ietf.org/html/rfc7234#section-5.2)
///
/// The `Cache-Control` header field is used to specify directives for
/// caches along the request/response chain. Such cache directives are
/// unidirectional in that the presence of a directive in a request does
/// not imply that the same directive is to be given in the response.
///
/// # ABNF
///
/// ```text
/// Cache-Control = 1#cache-directive
/// cache-directive = token [ "=" ( token / quoted-string ) ]
/// ```
///
/// # Example values
///
/// * `no-cache`
/// * `private, community="UCI"`
/// * `max-age=30`
///
/// # Examples
/// ```rust
/// use actix_web::httpcodes::HttpOk;
/// use actix_web::header::{CacheControl, CacheDirective};
///
/// let mut builder = HttpOk.build();
/// builder.set(
/// CacheControl(vec![CacheDirective::MaxAge(86400u32)])
/// );
/// ```
///
/// ```rust
/// use actix_web::httpcodes::HttpOk;
/// use actix_web::header::{CacheControl, CacheDirective};
///
/// let mut builder = HttpOk.build();
/// builder.set(
/// CacheControl(vec![
/// CacheDirective::NoCache,
/// CacheDirective::Private,
/// CacheDirective::MaxAge(360u32),
/// CacheDirective::Extension("foo".to_owned(),
/// Some("bar".to_owned())),
/// ])
/// );
/// ```
#[derive(PartialEq, Clone, Debug)]
pub struct CacheControl(pub Vec<CacheDirective>);
__hyper__deref!(CacheControl => Vec<CacheDirective>);
//TODO: this could just be the header! macro
impl Header for CacheControl {
fn name() -> http::HeaderName {
http::CACHE_CONTROL
}
#[inline]
fn parse<T>(msg: &T) -> Result<Self, ::error::ParseError>
where T: ::HttpMessage
{
let directives = from_comma_delimited(msg.headers().get_all(Self::name()))?;
if !directives.is_empty() {
Ok(CacheControl(directives))
} else {
Err(::error::ParseError::Header)
}
}
}
impl fmt::Display for CacheControl {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
fmt_comma_delimited(f, &self[..])
}
}
impl IntoHeaderValue for CacheControl {
type Error = http::InvalidHeaderValueBytes;
fn try_into(self) -> Result<http::HeaderValue, Self::Error> {
let mut writer = Writer::new();
let _ = write!(&mut writer, "{}", self);
http::HeaderValue::from_shared(writer.take())
}
}
/// `CacheControl` contains a list of these directives.
#[derive(PartialEq, Clone, Debug)]
pub enum CacheDirective {
/// "no-cache"
NoCache,
/// "no-store"
NoStore,
/// "no-transform"
NoTransform,
/// "only-if-cached"
OnlyIfCached,
// request directives
/// "max-age=delta"
MaxAge(u32),
/// "max-stale=delta"
MaxStale(u32),
/// "min-fresh=delta"
MinFresh(u32),
// response directives
/// "must-revalidate"
MustRevalidate,
/// "public"
Public,
/// "private"
Private,
/// "proxy-revalidate"
ProxyRevalidate,
/// "s-maxage=delta"
SMaxAge(u32),
/// Extension directives. Optionally include an argument.
Extension(String, Option<String>)
}
impl fmt::Display for CacheDirective {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
use self::CacheDirective::*;
fmt::Display::fmt(match *self {
NoCache => "no-cache",
NoStore => "no-store",
NoTransform => "no-transform",
OnlyIfCached => "only-if-cached",
MaxAge(secs) => return write!(f, "max-age={}", secs),
MaxStale(secs) => return write!(f, "max-stale={}", secs),
MinFresh(secs) => return write!(f, "min-fresh={}", secs),
MustRevalidate => "must-revalidate",
Public => "public",
Private => "private",
ProxyRevalidate => "proxy-revalidate",
SMaxAge(secs) => return write!(f, "s-maxage={}", secs),
Extension(ref name, None) => &name[..],
Extension(ref name, Some(ref arg)) => return write!(f, "{}={}", name, arg),
}, f)
}
}
impl FromStr for CacheDirective {
type Err = Option<<u32 as FromStr>::Err>;
fn from_str(s: &str) -> Result<CacheDirective, Option<<u32 as FromStr>::Err>> {
use self::CacheDirective::*;
match s {
"no-cache" => Ok(NoCache),
"no-store" => Ok(NoStore),
"no-transform" => Ok(NoTransform),
"only-if-cached" => Ok(OnlyIfCached),
"must-revalidate" => Ok(MustRevalidate),
"public" => Ok(Public),
"private" => Ok(Private),
"proxy-revalidate" => Ok(ProxyRevalidate),
"" => Err(None),
_ => match s.find('=') {
Some(idx) if idx+1 < s.len() => match (&s[..idx], (&s[idx+1..]).trim_matches('"')) {
("max-age" , secs) => secs.parse().map(MaxAge).map_err(Some),
("max-stale", secs) => secs.parse().map(MaxStale).map_err(Some),
("min-fresh", secs) => secs.parse().map(MinFresh).map_err(Some),
("s-maxage", secs) => secs.parse().map(SMaxAge).map_err(Some),
(left, right) => Ok(Extension(left.to_owned(), Some(right.to_owned())))
},
Some(_) => Err(None),
None => Ok(Extension(s.to_owned(), None))
}
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use header::Header;
use test::TestRequest;
#[test]
fn test_parse_multiple_headers() {
let req = TestRequest::with_header(
http::CACHE_CONTROL, "no-cache, private").finish();
let cache = Header::parse(&req);
assert_eq!(cache.ok(), Some(CacheControl(vec![CacheDirective::NoCache,
CacheDirective::Private])))
}
#[test]
fn test_parse_argument() {
let req = TestRequest::with_header(
http::CACHE_CONTROL, "max-age=100, private").finish();
let cache = Header::parse(&req);
assert_eq!(cache.ok(), Some(CacheControl(vec![CacheDirective::MaxAge(100),
CacheDirective::Private])))
}
#[test]
fn test_parse_quote_form() {
let req = TestRequest::with_header(
http::CACHE_CONTROL, "max-age=\"200\"").finish();
let cache = Header::parse(&req);
assert_eq!(cache.ok(), Some(CacheControl(vec![CacheDirective::MaxAge(200)])))
}
#[test]
fn test_parse_extension() {
let req = TestRequest::with_header(
http::CACHE_CONTROL, "foo, bar=baz").finish();
let cache = Header::parse(&req);
assert_eq!(cache.ok(), Some(CacheControl(vec![
CacheDirective::Extension("foo".to_owned(), None),
CacheDirective::Extension("bar".to_owned(), Some("baz".to_owned()))])))
}
#[test]
fn test_parse_bad_syntax() {
let req = TestRequest::with_header(http::CACHE_CONTROL, "foo=").finish();
let cache: Result<CacheControl, _> = Header::parse(&req);
assert_eq!(cache.ok(), None)
}
}

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// # References
//
// "The Content-Disposition Header Field" https://www.ietf.org/rfc/rfc2183.txt
// "The Content-Disposition Header Field in the Hypertext Transfer Protocol (HTTP)" https://www.ietf.org/rfc/rfc6266.txt
// "Returning Values from Forms: multipart/form-data" https://www.ietf.org/rfc/rfc2388.txt
// Browser conformance tests at: http://greenbytes.de/tech/tc2231/
// IANA assignment: http://www.iana.org/assignments/cont-disp/cont-disp.xhtml
use language_tags::LanguageTag;
use std::fmt;
use unicase;
use header::{Header, Raw, parsing};
use header::parsing::{parse_extended_value, http_percent_encode};
use header::shared::Charset;
/// The implied disposition of the content of the HTTP body.
#[derive(Clone, Debug, PartialEq)]
pub enum DispositionType {
/// Inline implies default processing
Inline,
/// Attachment implies that the recipient should prompt the user to save the response locally,
/// rather than process it normally (as per its media type).
Attachment,
/// Extension type. Should be handled by recipients the same way as Attachment
Ext(String)
}
/// A parameter to the disposition type.
#[derive(Clone, Debug, PartialEq)]
pub enum DispositionParam {
/// A Filename consisting of a Charset, an optional LanguageTag, and finally a sequence of
/// bytes representing the filename
Filename(Charset, Option<LanguageTag>, Vec<u8>),
/// Extension type consisting of token and value. Recipients should ignore unrecognized
/// parameters.
Ext(String, String)
}
/// A `Content-Disposition` header, (re)defined in [RFC6266](https://tools.ietf.org/html/rfc6266).
///
/// The Content-Disposition response header field is used to convey
/// additional information about how to process the response payload, and
/// also can be used to attach additional metadata, such as the filename
/// to use when saving the response payload locally.
///
/// # ABNF
/// ```text
/// content-disposition = "Content-Disposition" ":"
/// disposition-type *( ";" disposition-parm )
///
/// disposition-type = "inline" | "attachment" | disp-ext-type
/// ; case-insensitive
///
/// disp-ext-type = token
///
/// disposition-parm = filename-parm | disp-ext-parm
///
/// filename-parm = "filename" "=" value
/// | "filename*" "=" ext-value
///
/// disp-ext-parm = token "=" value
/// | ext-token "=" ext-value
///
/// ext-token = <the characters in token, followed by "*">
/// ```
///
/// # Example
///
/// ```
/// use hyper::header::{Headers, ContentDisposition, DispositionType, DispositionParam, Charset};
///
/// let mut headers = Headers::new();
/// headers.set(ContentDisposition {
/// disposition: DispositionType::Attachment,
/// parameters: vec![DispositionParam::Filename(
/// Charset::Iso_8859_1, // The character set for the bytes of the filename
/// None, // The optional language tag (see `language-tag` crate)
/// b"\xa9 Copyright 1989.txt".to_vec() // the actual bytes of the filename
/// )]
/// });
/// ```
#[derive(Clone, Debug, PartialEq)]
pub struct ContentDisposition {
/// The disposition
pub disposition: DispositionType,
/// Disposition parameters
pub parameters: Vec<DispositionParam>,
}
impl Header for ContentDisposition {
fn header_name() -> &'static str {
static NAME: &'static str = "Content-Disposition";
NAME
}
fn parse_header(raw: &Raw) -> ::Result<ContentDisposition> {
parsing::from_one_raw_str(raw).and_then(|s: String| {
let mut sections = s.split(';');
let disposition = match sections.next() {
Some(s) => s.trim(),
None => return Err(::Error::Header),
};
let mut cd = ContentDisposition {
disposition: if unicase::eq_ascii(&*disposition, "inline") {
DispositionType::Inline
} else if unicase::eq_ascii(&*disposition, "attachment") {
DispositionType::Attachment
} else {
DispositionType::Ext(disposition.to_owned())
},
parameters: Vec::new(),
};
for section in sections {
let mut parts = section.splitn(2, '=');
let key = if let Some(key) = parts.next() {
key.trim()
} else {
return Err(::Error::Header);
};
let val = if let Some(val) = parts.next() {
val.trim()
} else {
return Err(::Error::Header);
};
cd.parameters.push(
if unicase::eq_ascii(&*key, "filename") {
DispositionParam::Filename(
Charset::Ext("UTF-8".to_owned()), None,
val.trim_matches('"').as_bytes().to_owned())
} else if unicase::eq_ascii(&*key, "filename*") {
let extended_value = try!(parse_extended_value(val));
DispositionParam::Filename(extended_value.charset, extended_value.language_tag, extended_value.value)
} else {
DispositionParam::Ext(key.to_owned(), val.trim_matches('"').to_owned())
}
);
}
Ok(cd)
})
}
#[inline]
fn fmt_header(&self, f: &mut ::header::Formatter) -> fmt::Result {
f.fmt_line(self)
}
}
impl fmt::Display for ContentDisposition {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self.disposition {
DispositionType::Inline => try!(write!(f, "inline")),
DispositionType::Attachment => try!(write!(f, "attachment")),
DispositionType::Ext(ref s) => try!(write!(f, "{}", s)),
}
for param in &self.parameters {
match *param {
DispositionParam::Filename(ref charset, ref opt_lang, ref bytes) => {
let mut use_simple_format: bool = false;
if opt_lang.is_none() {
if let Charset::Ext(ref ext) = *charset {
if unicase::eq_ascii(&**ext, "utf-8") {
use_simple_format = true;
}
}
}
if use_simple_format {
try!(write!(f, "; filename=\"{}\"",
match String::from_utf8(bytes.clone()) {
Ok(s) => s,
Err(_) => return Err(fmt::Error),
}));
} else {
try!(write!(f, "; filename*={}'", charset));
if let Some(ref lang) = *opt_lang {
try!(write!(f, "{}", lang));
};
try!(write!(f, "'"));
try!(http_percent_encode(f, bytes))
}
},
DispositionParam::Ext(ref k, ref v) => try!(write!(f, "; {}=\"{}\"", k, v)),
}
}
Ok(())
}
}
#[cfg(test)]
mod tests {
use super::{ContentDisposition,DispositionType,DispositionParam};
use ::header::Header;
use ::header::shared::Charset;
#[test]
fn test_parse_header() {
assert!(ContentDisposition::parse_header(&"".into()).is_err());
let a = "form-data; dummy=3; name=upload;\r\n filename=\"sample.png\"".into();
let a: ContentDisposition = ContentDisposition::parse_header(&a).unwrap();
let b = ContentDisposition {
disposition: DispositionType::Ext("form-data".to_owned()),
parameters: vec![
DispositionParam::Ext("dummy".to_owned(), "3".to_owned()),
DispositionParam::Ext("name".to_owned(), "upload".to_owned()),
DispositionParam::Filename(
Charset::Ext("UTF-8".to_owned()),
None,
"sample.png".bytes().collect()) ]
};
assert_eq!(a, b);
let a = "attachment; filename=\"image.jpg\"".into();
let a: ContentDisposition = ContentDisposition::parse_header(&a).unwrap();
let b = ContentDisposition {
disposition: DispositionType::Attachment,
parameters: vec![
DispositionParam::Filename(
Charset::Ext("UTF-8".to_owned()),
None,
"image.jpg".bytes().collect()) ]
};
assert_eq!(a, b);
let a = "attachment; filename*=UTF-8''%c2%a3%20and%20%e2%82%ac%20rates".into();
let a: ContentDisposition = ContentDisposition::parse_header(&a).unwrap();
let b = ContentDisposition {
disposition: DispositionType::Attachment,
parameters: vec![
DispositionParam::Filename(
Charset::Ext("UTF-8".to_owned()),
None,
vec![0xc2, 0xa3, 0x20, b'a', b'n', b'd', 0x20,
0xe2, 0x82, 0xac, 0x20, b'r', b'a', b't', b'e', b's']) ]
};
assert_eq!(a, b);
}
#[test]
fn test_display() {
let as_string = "attachment; filename*=UTF-8'en'%C2%A3%20and%20%E2%82%AC%20rates";
let a = as_string.into();
let a: ContentDisposition = ContentDisposition::parse_header(&a).unwrap();
let display_rendered = format!("{}",a);
assert_eq!(as_string, display_rendered);
let a = "attachment; filename*=UTF-8''black%20and%20white.csv".into();
let a: ContentDisposition = ContentDisposition::parse_header(&a).unwrap();
let display_rendered = format!("{}",a);
assert_eq!("attachment; filename=\"black and white.csv\"".to_owned(), display_rendered);
let a = "attachment; filename=colourful.csv".into();
let a: ContentDisposition = ContentDisposition::parse_header(&a).unwrap();
let display_rendered = format!("{}",a);
assert_eq!("attachment; filename=\"colourful.csv\"".to_owned(), display_rendered);
}
}

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use language_tags::LanguageTag;
use header::{http, QualityItem};
header! {
/// `Content-Language` header, defined in
/// [RFC7231](https://tools.ietf.org/html/rfc7231#section-3.1.3.2)
///
/// The `Content-Language` header field describes the natural language(s)
/// of the intended audience for the representation. Note that this
/// might not be equivalent to all the languages used within the
/// representation.
///
/// # ABNF
///
/// ```text
/// Content-Language = 1#language-tag
/// ```
///
/// # Example values
///
/// * `da`
/// * `mi, en`
///
/// # Examples
///
/// ```rust
/// # extern crate actix_web;
/// # #[macro_use] extern crate language_tags;
/// use actix_web::httpcodes::HttpOk;
/// # use actix_web::header::{ContentLanguage, qitem};
/// #
/// # fn main() {
/// let mut builder = HttpOk.build();
/// builder.set(
/// ContentLanguage(vec![
/// qitem(langtag!(en)),
/// ])
/// );
/// # }
/// ```
///
/// ```rust
/// # extern crate actix_web;
/// # #[macro_use] extern crate language_tags;
/// use actix_web::httpcodes::HttpOk;
/// # use actix_web::header::{ContentLanguage, qitem};
/// #
/// # fn main() {
///
/// let mut builder = HttpOk.build();
/// builder.set(
/// ContentLanguage(vec![
/// qitem(langtag!(da)),
/// qitem(langtag!(en;;;GB)),
/// ])
/// );
/// # }
/// ```
(ContentLanguage, http::CONTENT_LANGUAGE) => (QualityItem<LanguageTag>)+
test_content_language {
test_header!(test1, vec![b"da"]);
test_header!(test2, vec![b"mi, en"]);
}
}

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use std::fmt::{self, Display, Write};
use std::str::FromStr;
use header::{http, IntoHeaderValue, Writer};
use error::ParseError;
header! {
/// `Content-Range` header, defined in
/// [RFC7233](http://tools.ietf.org/html/rfc7233#section-4.2)
(ContentRange, http::CONTENT_RANGE) => [ContentRangeSpec]
test_content_range {
test_header!(test_bytes,
vec![b"bytes 0-499/500"],
Some(ContentRange(ContentRangeSpec::Bytes {
range: Some((0, 499)),
instance_length: Some(500)
})));
test_header!(test_bytes_unknown_len,
vec![b"bytes 0-499/*"],
Some(ContentRange(ContentRangeSpec::Bytes {
range: Some((0, 499)),
instance_length: None
})));
test_header!(test_bytes_unknown_range,
vec![b"bytes */500"],
Some(ContentRange(ContentRangeSpec::Bytes {
range: None,
instance_length: Some(500)
})));
test_header!(test_unregistered,
vec![b"seconds 1-2"],
Some(ContentRange(ContentRangeSpec::Unregistered {
unit: "seconds".to_owned(),
resp: "1-2".to_owned()
})));
test_header!(test_no_len,
vec![b"bytes 0-499"],
None::<ContentRange>);
test_header!(test_only_unit,
vec![b"bytes"],
None::<ContentRange>);
test_header!(test_end_less_than_start,
vec![b"bytes 499-0/500"],
None::<ContentRange>);
test_header!(test_blank,
vec![b""],
None::<ContentRange>);
test_header!(test_bytes_many_spaces,
vec![b"bytes 1-2/500 3"],
None::<ContentRange>);
test_header!(test_bytes_many_slashes,
vec![b"bytes 1-2/500/600"],
None::<ContentRange>);
test_header!(test_bytes_many_dashes,
vec![b"bytes 1-2-3/500"],
None::<ContentRange>);
}
}
/// Content-Range, described in [RFC7233](https://tools.ietf.org/html/rfc7233#section-4.2)
///
/// # ABNF
///
/// ```text
/// Content-Range = byte-content-range
/// / other-content-range
///
/// byte-content-range = bytes-unit SP
/// ( byte-range-resp / unsatisfied-range )
///
/// byte-range-resp = byte-range "/" ( complete-length / "*" )
/// byte-range = first-byte-pos "-" last-byte-pos
/// unsatisfied-range = "*/" complete-length
///
/// complete-length = 1*DIGIT
///
/// other-content-range = other-range-unit SP other-range-resp
/// other-range-resp = *CHAR
/// ```
#[derive(PartialEq, Clone, Debug)]
pub enum ContentRangeSpec {
/// Byte range
Bytes {
/// First and last bytes of the range, omitted if request could not be
/// satisfied
range: Option<(u64, u64)>,
/// Total length of the instance, can be omitted if unknown
instance_length: Option<u64>
},
/// Custom range, with unit not registered at IANA
Unregistered {
/// other-range-unit
unit: String,
/// other-range-resp
resp: String
}
}
fn split_in_two(s: &str, separator: char) -> Option<(&str, &str)> {
let mut iter = s.splitn(2, separator);
match (iter.next(), iter.next()) {
(Some(a), Some(b)) => Some((a, b)),
_ => None
}
}
impl FromStr for ContentRangeSpec {
type Err = ParseError;
fn from_str(s: &str) -> Result<Self, ParseError> {
let res = match split_in_two(s, ' ') {
Some(("bytes", resp)) => {
let (range, instance_length) = split_in_two(
resp, '/').ok_or(ParseError::Header)?;
let instance_length = if instance_length == "*" {
None
} else {
Some(instance_length.parse()
.map_err(|_| ParseError::Header)?)
};
let range = if range == "*" {
None
} else {
let (first_byte, last_byte) = split_in_two(
range, '-').ok_or(ParseError::Header)?;
let first_byte = first_byte.parse()
.map_err(|_| ParseError::Header)?;
let last_byte = last_byte.parse()
.map_err(|_| ParseError::Header)?;
if last_byte < first_byte {
return Err(ParseError::Header);
}
Some((first_byte, last_byte))
};
ContentRangeSpec::Bytes {range, instance_length}
}
Some((unit, resp)) => {
ContentRangeSpec::Unregistered {
unit: unit.to_owned(),
resp: resp.to_owned()
}
}
_ => return Err(ParseError::Header)
};
Ok(res)
}
}
impl Display for ContentRangeSpec {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
ContentRangeSpec::Bytes { range, instance_length } => {
try!(f.write_str("bytes "));
match range {
Some((first_byte, last_byte)) => {
try!(write!(f, "{}-{}", first_byte, last_byte));
},
None => {
try!(f.write_str("*"));
}
};
try!(f.write_str("/"));
if let Some(v) = instance_length {
write!(f, "{}", v)
} else {
f.write_str("*")
}
}
ContentRangeSpec::Unregistered { ref unit, ref resp } => {
try!(f.write_str(unit));
try!(f.write_str(" "));
f.write_str(resp)
}
}
}
}
impl IntoHeaderValue for ContentRangeSpec {
type Error = http::InvalidHeaderValueBytes;
fn try_into(self) -> Result<http::HeaderValue, Self::Error> {
let mut writer = Writer::new();
let _ = write!(&mut writer, "{}", self);
http::HeaderValue::from_shared(writer.take())
}
}

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use mime::{self, Mime};
use header::http;
header! {
/// `Content-Type` header, defined in
/// [RFC7231](http://tools.ietf.org/html/rfc7231#section-3.1.1.5)
///
/// The `Content-Type` header field indicates the media type of the
/// associated representation: either the representation enclosed in the
/// message payload or the selected representation, as determined by the
/// message semantics. The indicated media type defines both the data
/// format and how that data is intended to be processed by a recipient,
/// within the scope of the received message semantics, after any content
/// codings indicated by Content-Encoding are decoded.
///
/// Although the `mime` crate allows the mime options to be any slice, this crate
/// forces the use of Vec. This is to make sure the same header can't have more than 1 type. If
/// this is an issue, it's possible to implement `Header` on a custom struct.
///
/// # ABNF
///
/// ```text
/// Content-Type = media-type
/// ```
///
/// # Example values
///
/// * `text/html; charset=utf-8`
/// * `application/json`
///
/// # Examples
///
/// ```rust
/// use actix_web::httpcodes::HttpOk;
/// use actix_web::header::ContentType;
///
/// let mut builder = HttpOk.build();
/// builder.set(
/// ContentType::json()
/// );
/// ```
///
/// ```rust
/// # extern crate mime;
/// # extern crate actix_web;
/// use mime;
/// use actix_web::httpcodes::HttpOk;
/// use actix_web::header::ContentType;
///
/// let mut builder = HttpOk.build();
/// builder.set(
/// ContentType(mime::TEXT_HTML)
/// );
/// ```
(ContentType, http::CONTENT_TYPE) => [Mime]
test_content_type {
test_header!(
test1,
vec![b"text/html"],
Some(HeaderField(TEXT_HTML)));
}
}
impl ContentType {
/// A constructor to easily create a `Content-Type: application/json` header.
#[inline]
pub fn json() -> ContentType {
ContentType(mime::APPLICATION_JSON)
}
/// A constructor to easily create a `Content-Type: text/plain; charset=utf-8` header.
#[inline]
pub fn plaintext() -> ContentType {
ContentType(mime::TEXT_PLAIN_UTF_8)
}
/// A constructor to easily create a `Content-Type: text/html` header.
#[inline]
pub fn html() -> ContentType {
ContentType(mime::TEXT_HTML)
}
/// A constructor to easily create a `Content-Type: text/xml` header.
#[inline]
pub fn xml() -> ContentType {
ContentType(mime::TEXT_XML)
}
/// A constructor to easily create a `Content-Type: application/www-form-url-encoded` header.
#[inline]
pub fn form_url_encoded() -> ContentType {
ContentType(mime::APPLICATION_WWW_FORM_URLENCODED)
}
/// A constructor to easily create a `Content-Type: image/jpeg` header.
#[inline]
pub fn jpeg() -> ContentType {
ContentType(mime::IMAGE_JPEG)
}
/// A constructor to easily create a `Content-Type: image/png` header.
#[inline]
pub fn png() -> ContentType {
ContentType(mime::IMAGE_PNG)
}
/// A constructor to easily create a `Content-Type: application/octet-stream` header.
#[inline]
pub fn octet_stream() -> ContentType {
ContentType(mime::APPLICATION_OCTET_STREAM)
}
}
impl Eq for ContentType {}

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use header::{http, HttpDate};
header! {
/// `Date` header, defined in [RFC7231](http://tools.ietf.org/html/rfc7231#section-7.1.1.2)
///
/// The `Date` header field represents the date and time at which the
/// message was originated.
///
/// # ABNF
///
/// ```text
/// Date = HTTP-date
/// ```
///
/// # Example values
///
/// * `Tue, 15 Nov 1994 08:12:31 GMT`
///
/// # Example
///
/// ```rust
/// use actix_web::httpcodes;
/// use actix_web::header::Date;
/// use std::time::SystemTime;
///
/// let mut builder = httpcodes::HttpOk.build();
/// builder.set(Date(SystemTime::now().into()));
/// ```
(Date, http::DATE) => [HttpDate]
test_date {
test_header!(test1, vec![b"Tue, 15 Nov 1994 08:12:31 GMT"]);
}
}

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use header::{http, EntityTag};
header! {
/// `ETag` header, defined in [RFC7232](http://tools.ietf.org/html/rfc7232#section-2.3)
///
/// The `ETag` header field in a response provides the current entity-tag
/// for the selected representation, as determined at the conclusion of
/// handling the request. An entity-tag is an opaque validator for
/// differentiating between multiple representations of the same
/// resource, regardless of whether those multiple representations are
/// due to resource state changes over time, content negotiation
/// resulting in multiple representations being valid at the same time,
/// or both. An entity-tag consists of an opaque quoted string, possibly
/// prefixed by a weakness indicator.
///
/// # ABNF
///
/// ```text
/// ETag = entity-tag
/// ```
///
/// # Example values
///
/// * `"xyzzy"`
/// * `W/"xyzzy"`
/// * `""`
///
/// # Examples
///
/// ```rust
/// use actix_web::httpcodes;
/// use actix_web::header::{ETag, EntityTag};
///
/// let mut builder = httpcodes::HttpOk.build();
/// builder.set(ETag(EntityTag::new(false, "xyzzy".to_owned())));
/// ```
///
/// ```rust
/// use actix_web::httpcodes;
/// use actix_web::header::{ETag, EntityTag};
///
/// let mut builder = httpcodes::HttpOk.build();
/// builder.set(ETag(EntityTag::new(true, "xyzzy".to_owned())));
/// ```
(ETag, http::ETAG) => [EntityTag]
test_etag {
// From the RFC
test_header!(test1,
vec![b"\"xyzzy\""],
Some(ETag(EntityTag::new(false, "xyzzy".to_owned()))));
test_header!(test2,
vec![b"W/\"xyzzy\""],
Some(ETag(EntityTag::new(true, "xyzzy".to_owned()))));
test_header!(test3,
vec![b"\"\""],
Some(ETag(EntityTag::new(false, "".to_owned()))));
// Own tests
test_header!(test4,
vec![b"\"foobar\""],
Some(ETag(EntityTag::new(false, "foobar".to_owned()))));
test_header!(test5,
vec![b"\"\""],
Some(ETag(EntityTag::new(false, "".to_owned()))));
test_header!(test6,
vec![b"W/\"weak-etag\""],
Some(ETag(EntityTag::new(true, "weak-etag".to_owned()))));
test_header!(test7,
vec![b"W/\"\x65\x62\""],
Some(ETag(EntityTag::new(true, "\u{0065}\u{0062}".to_owned()))));
test_header!(test8,
vec![b"W/\"\""],
Some(ETag(EntityTag::new(true, "".to_owned()))));
test_header!(test9,
vec![b"no-dquotes"],
None::<ETag>);
test_header!(test10,
vec![b"w/\"the-first-w-is-case-sensitive\""],
None::<ETag>);
test_header!(test11,
vec![b""],
None::<ETag>);
test_header!(test12,
vec![b"\"unmatched-dquotes1"],
None::<ETag>);
test_header!(test13,
vec![b"unmatched-dquotes2\""],
None::<ETag>);
test_header!(test14,
vec![b"matched-\"dquotes\""],
None::<ETag>);
test_header!(test15,
vec![b"\""],
None::<ETag>);
}
}

39
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use header::{http, HttpDate};
header! {
/// `Expires` header, defined in [RFC7234](http://tools.ietf.org/html/rfc7234#section-5.3)
///
/// The `Expires` header field gives the date/time after which the
/// response is considered stale.
///
/// The presence of an Expires field does not imply that the original
/// resource will change or cease to exist at, before, or after that
/// time.
///
/// # ABNF
///
/// ```text
/// Expires = HTTP-date
/// ```
///
/// # Example values
/// * `Thu, 01 Dec 1994 16:00:00 GMT`
///
/// # Example
///
/// ```rust
/// use actix_web::httpcodes;
/// use actix_web::header::Expires;
/// use std::time::{SystemTime, Duration};
///
/// let mut builder = httpcodes::HttpOk.build();
/// let expiration = SystemTime::now() + Duration::from_secs(60 * 60 * 24);
/// builder.set(Expires(expiration.into()));
/// ```
(Expires, http::EXPIRES) => [HttpDate]
test_expires {
// Testcase from RFC
test_header!(test1, vec![b"Thu, 01 Dec 1994 16:00:00 GMT"]);
}
}

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use header::{http, EntityTag};
header! {
/// `If-Match` header, defined in
/// [RFC7232](https://tools.ietf.org/html/rfc7232#section-3.1)
///
/// The `If-Match` header field makes the request method conditional on
/// the recipient origin server either having at least one current
/// representation of the target resource, when the field-value is "*",
/// or having a current representation of the target resource that has an
/// entity-tag matching a member of the list of entity-tags provided in
/// the field-value.
///
/// An origin server MUST use the strong comparison function when
/// comparing entity-tags for `If-Match`, since the client
/// intends this precondition to prevent the method from being applied if
/// there have been any changes to the representation data.
///
/// # ABNF
///
/// ```text
/// If-Match = "*" / 1#entity-tag
/// ```
///
/// # Example values
///
/// * `"xyzzy"`
/// * "xyzzy", "r2d2xxxx", "c3piozzzz"
///
/// # Examples
///
/// ```rust
/// use actix_web::httpcodes;
/// use actix_web::header::IfMatch;
///
/// let mut builder = httpcodes::HttpOk.build();
/// builder.set(IfMatch::Any);
/// ```
///
/// ```rust
/// use actix_web::httpcodes;
/// use actix_web::header::{IfMatch, EntityTag};
///
/// let mut builder = httpcodes::HttpOk.build();
/// builder.set(
/// IfMatch::Items(vec![
/// EntityTag::new(false, "xyzzy".to_owned()),
/// EntityTag::new(false, "foobar".to_owned()),
/// EntityTag::new(false, "bazquux".to_owned()),
/// ])
/// );
/// ```
(IfMatch, http::IF_MATCH) => {Any / (EntityTag)+}
test_if_match {
test_header!(
test1,
vec![b"\"xyzzy\""],
Some(HeaderField::Items(
vec![EntityTag::new(false, "xyzzy".to_owned())])));
test_header!(
test2,
vec![b"\"xyzzy\", \"r2d2xxxx\", \"c3piozzzz\""],
Some(HeaderField::Items(
vec![EntityTag::new(false, "xyzzy".to_owned()),
EntityTag::new(false, "r2d2xxxx".to_owned()),
EntityTag::new(false, "c3piozzzz".to_owned())])));
test_header!(test3, vec![b"*"], Some(IfMatch::Any));
}
}

83
src/header/common/if_modified_since.rs
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@ -1,52 +1,39 @@
use http::header;
use header::{http, HttpDate};
use header::{Header, HttpDate, IntoHeaderValue};
use error::ParseError;
use httpmessage::HttpMessage;
header! {
/// `If-Modified-Since` header, defined in
/// [RFC7232](http://tools.ietf.org/html/rfc7232#section-3.3)
///
/// The `If-Modified-Since` header field makes a GET or HEAD request
/// method conditional on the selected representation's modification date
/// being more recent than the date provided in the field-value.
/// Transfer of the selected representation's data is avoided if that
/// data has not changed.
///
/// # ABNF
///
/// ```text
/// If-Unmodified-Since = HTTP-date
/// ```
///
/// # Example values
/// * `Sat, 29 Oct 1994 19:43:31 GMT`
///
/// # Example
///
/// ```rust
/// use actix_web::httpcodes;
/// use actix_web::header::IfModifiedSince;
/// use std::time::{SystemTime, Duration};
///
/// let mut builder = httpcodes::HttpOk.build();
/// let modified = SystemTime::now() - Duration::from_secs(60 * 60 * 24);
/// builder.set(IfModifiedSince(modified.into()));
/// ```
(IfModifiedSince, http::IF_MODIFIED_SINCE) => [HttpDate]
#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord)]
pub struct IfModifiedSince(pub HttpDate);
impl Header for IfModifiedSince {
fn name() -> header::HeaderName {
header::IF_MODIFIED_SINCE
}
fn parse<T: HttpMessage>(msg: &T) -> Result<Self, ParseError> {
let val = msg.headers().get(Self::name())
.ok_or(ParseError::Header)?.to_str().map_err(|_| ParseError::Header)?;
Ok(IfModifiedSince(val.parse()?))
}
}
impl IntoHeaderValue for IfModifiedSince {
type Error = header::InvalidHeaderValueBytes;
fn try_into(self) -> Result<header::HeaderValue, Self::Error> {
self.0.try_into()
}
}
#[cfg(test)]
mod tests {
use time::Tm;
use test::TestRequest;
use httpmessage::HttpMessage;
use super::HttpDate;
use super::IfModifiedSince;
fn date() -> HttpDate {
Tm {
tm_nsec: 0, tm_sec: 37, tm_min: 48, tm_hour: 8,
tm_mday: 7, tm_mon: 10, tm_year: 94,
tm_wday: 0, tm_isdst: 0, tm_yday: 0, tm_utcoff: 0}.into()
}
#[test]
fn test_if_mod_since() {
let req = TestRequest::with_hdr(IfModifiedSince(date())).finish();
let h = req.get::<IfModifiedSince>().unwrap();
assert_eq!(h.0, date());
test_if_modified_since {
// Testcase from RFC
test_header!(test1, vec![b"Sat, 29 Oct 1994 19:43:31 GMT"]);
}
}

91
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use header::{http, EntityTag};
header! {
/// `If-None-Match` header, defined in
/// [RFC7232](https://tools.ietf.org/html/rfc7232#section-3.2)
///
/// The `If-None-Match` header field makes the request method conditional
/// on a recipient cache or origin server either not having any current
/// representation of the target resource, when the field-value is "*",
/// or having a selected representation with an entity-tag that does not
/// match any of those listed in the field-value.
///
/// A recipient MUST use the weak comparison function when comparing
/// entity-tags for If-None-Match (Section 2.3.2), since weak entity-tags
/// can be used for cache validation even if there have been changes to
/// the representation data.
///
/// # ABNF
///
/// ```text
/// If-None-Match = "*" / 1#entity-tag
/// ```
///
/// # Example values
///
/// * `"xyzzy"`
/// * `W/"xyzzy"`
/// * `"xyzzy", "r2d2xxxx", "c3piozzzz"`
/// * `W/"xyzzy", W/"r2d2xxxx", W/"c3piozzzz"`
/// * `*`
///
/// # Examples
///
/// ```rust
/// use actix_web::httpcodes;
/// use actix_web::header::IfNoneMatch;
///
/// let mut builder = httpcodes::HttpOk.build();
/// builder.set(IfNoneMatch::Any);
/// ```
///
/// ```rust
/// use actix_web::httpcodes;
/// use actix_web::header::{IfNoneMatch, EntityTag};
///
/// let mut builder = httpcodes::HttpOk.build();
/// builder.set(
/// IfNoneMatch::Items(vec![
/// EntityTag::new(false, "xyzzy".to_owned()),
/// EntityTag::new(false, "foobar".to_owned()),
/// EntityTag::new(false, "bazquux".to_owned()),
/// ])
/// );
/// ```
(IfNoneMatch, http::IF_NONE_MATCH) => {Any / (EntityTag)+}
test_if_none_match {
test_header!(test1, vec![b"\"xyzzy\""]);
test_header!(test2, vec![b"W/\"xyzzy\""]);
test_header!(test3, vec![b"\"xyzzy\", \"r2d2xxxx\", \"c3piozzzz\""]);
test_header!(test4, vec![b"W/\"xyzzy\", W/\"r2d2xxxx\", W/\"c3piozzzz\""]);
test_header!(test5, vec![b"*"]);
}
}
#[cfg(test)]
mod tests {
use super::IfNoneMatch;
use test::TestRequest;
use header::{http, Header, EntityTag};
#[test]
fn test_if_none_match() {
let mut if_none_match: Result<IfNoneMatch, _>;
let req = TestRequest::with_header(http::IF_NONE_MATCH, "*").finish();
if_none_match = Header::parse(&req);
assert_eq!(if_none_match.ok(), Some(IfNoneMatch::Any));
let req = TestRequest::with_header(
http::IF_NONE_MATCH, &b"\"foobar\", W/\"weak-etag\""[..]).finish();
if_none_match = Header::parse(&req);
let mut entities: Vec<EntityTag> = Vec::new();
let foobar_etag = EntityTag::new(false, "foobar".to_owned());
let weak_etag = EntityTag::new(true, "weak-etag".to_owned());
entities.push(foobar_etag);
entities.push(weak_etag);
assert_eq!(if_none_match.ok(), Some(IfNoneMatch::Items(entities)));
}
}

107
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use std::fmt::{self, Display, Write};
use error::ParseError;
use httpmessage::HttpMessage;
use header::{http, from_one_raw_str};
use header::{IntoHeaderValue, Header, EntityTag, HttpDate, Writer};
/// `If-Range` header, defined in [RFC7233](http://tools.ietf.org/html/rfc7233#section-3.2)
///
/// If a client has a partial copy of a representation and wishes to have
/// an up-to-date copy of the entire representation, it could use the
/// Range header field with a conditional GET (using either or both of
/// If-Unmodified-Since and If-Match.) However, if the precondition
/// fails because the representation has been modified, the client would
/// then have to make a second request to obtain the entire current
/// representation.
///
/// The `If-Range` header field allows a client to \"short-circuit\" the
/// second request. Informally, its meaning is as follows: if the
/// representation is unchanged, send me the part(s) that I am requesting
/// in Range; otherwise, send me the entire representation.
///
/// # ABNF
///
/// ```text
/// If-Range = entity-tag / HTTP-date
/// ```
///
/// # Example values
///
/// * `Sat, 29 Oct 1994 19:43:31 GMT`
/// * `\"xyzzy\"`
///
/// # Examples
///
/// ```rust
/// use actix_web::httpcodes;
/// use actix_web::header::{IfRange, EntityTag};
///
/// let mut builder = httpcodes::HttpOk.build();
/// builder.set(IfRange::EntityTag(EntityTag::new(false, "xyzzy".to_owned())));
/// ```
///
/// ```rust
/// use actix_web::httpcodes;
/// use actix_web::header::IfRange;
/// use std::time::{SystemTime, Duration};
///
/// let mut builder = httpcodes::HttpOk.build();
/// let fetched = SystemTime::now() - Duration::from_secs(60 * 60 * 24);
/// builder.set(IfRange::Date(fetched.into()));
/// ```
#[derive(Clone, Debug, PartialEq)]
pub enum IfRange {
/// The entity-tag the client has of the resource
EntityTag(EntityTag),
/// The date when the client retrieved the resource
Date(HttpDate),
}
impl Header for IfRange {
fn name() -> http::HeaderName {
http::IF_RANGE
}
#[inline]
fn parse<T>(msg: &T) -> Result<Self, ParseError> where T: HttpMessage
{
let etag: Result<EntityTag, _> = from_one_raw_str(msg.headers().get(http::IF_RANGE));
if let Ok(etag) = etag {
return Ok(IfRange::EntityTag(etag));
}
let date: Result<HttpDate, _> = from_one_raw_str(msg.headers().get(http::IF_RANGE));
if let Ok(date) = date {
return Ok(IfRange::Date(date));
}
Err(ParseError::Header)
}
}
impl Display for IfRange {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
IfRange::EntityTag(ref x) => Display::fmt(x, f),
IfRange::Date(ref x) => Display::fmt(x, f),
}
}
}
impl IntoHeaderValue for IfRange {
type Error = http::InvalidHeaderValueBytes;
fn try_into(self) -> Result<http::HeaderValue, Self::Error> {
let mut writer = Writer::new();
let _ = write!(&mut writer, "{}", self);
http::HeaderValue::from_shared(writer.take())
}
}
#[cfg(test)]
mod test_if_range {
use std::str;
use header::*;
use super::IfRange as HeaderField;
test_header!(test1, vec![b"Sat, 29 Oct 1994 19:43:31 GMT"]);
test_header!(test2, vec![b"\"xyzzy\""]);
test_header!(test3, vec![b"this-is-invalid"], None::<IfRange>);
}

84
src/header/common/if_unmodified_since.rs
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@ -1,52 +1,40 @@
use http::header;
use header::{http, HttpDate};
use header::{Header, HttpDate, IntoHeaderValue};
use error::ParseError;
use httpmessage::HttpMessage;
header! {
/// `If-Unmodified-Since` header, defined in
/// [RFC7232](http://tools.ietf.org/html/rfc7232#section-3.4)
///
/// The `If-Unmodified-Since` header field makes the request method
/// conditional on the selected representation's last modification date
/// being earlier than or equal to the date provided in the field-value.
/// This field accomplishes the same purpose as If-Match for cases where
/// the user agent does not have an entity-tag for the representation.
///
/// # ABNF
///
/// ```text
/// If-Unmodified-Since = HTTP-date
/// ```
///
/// # Example values
///
/// * `Sat, 29 Oct 1994 19:43:31 GMT`
///
/// # Example
///
/// ```rust
/// use actix_web::httpcodes;
/// use actix_web::header::IfUnmodifiedSince;
/// use std::time::{SystemTime, Duration};
///
/// let mut builder = httpcodes::HttpOk.build();
/// let modified = SystemTime::now() - Duration::from_secs(60 * 60 * 24);
/// builder.set(IfUnmodifiedSince(modified.into()));
/// ```
(IfUnmodifiedSince, http::IF_UNMODIFIED_SINCE) => [HttpDate]
#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord)]
pub struct IfUnmodifiedSince(pub HttpDate);
impl Header for IfUnmodifiedSince {
fn name() -> header::HeaderName {
header::IF_MODIFIED_SINCE
}
fn parse<T: HttpMessage>(msg: &T) -> Result<Self, ParseError> {
let val = msg.headers().get(Self::name())
.ok_or(ParseError::Header)?.to_str().map_err(|_| ParseError::Header)?;
Ok(IfUnmodifiedSince(val.parse()?))
}
}
impl IntoHeaderValue for IfUnmodifiedSince {
type Error = header::InvalidHeaderValueBytes;
fn try_into(self) -> Result<header::HeaderValue, Self::Error> {
self.0.try_into()
}
}
#[cfg(test)]
mod tests {
use time::Tm;
use test::TestRequest;
use httpmessage::HttpMessage;
use super::HttpDate;
use super::IfUnmodifiedSince;
fn date() -> HttpDate {
Tm {
tm_nsec: 0, tm_sec: 37, tm_min: 48, tm_hour: 8,
tm_mday: 7, tm_mon: 10, tm_year: 94,
tm_wday: 0, tm_isdst: 0, tm_yday: 0, tm_utcoff: 0}.into()
}
#[test]
fn test_if_mod_since() {
let req = TestRequest::with_hdr(IfUnmodifiedSince(date())).finish();
let h = req.get::<IfUnmodifiedSince>().unwrap();
assert_eq!(h.0, date());
test_if_unmodified_since {
// Testcase from RFC
test_header!(test1, vec![b"Sat, 29 Oct 1994 19:43:31 GMT"]);
}
}

38
src/header/common/last_modified.rs Normal file
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use header::{http, HttpDate};
header! {
/// `Last-Modified` header, defined in
/// [RFC7232](http://tools.ietf.org/html/rfc7232#section-2.2)
///
/// The `Last-Modified` header field in a response provides a timestamp
/// indicating the date and time at which the origin server believes the
/// selected representation was last modified, as determined at the
/// conclusion of handling the request.
///
/// # ABNF
///
/// ```text
/// Expires = HTTP-date
/// ```
///
/// # Example values
///
/// * `Sat, 29 Oct 1994 19:43:31 GMT`
///
/// # Example
///
/// ```rust
/// use actix_web::httpcodes;
/// use actix_web::header::LastModified;
/// use std::time::{SystemTime, Duration};
///
/// let mut builder = httpcodes::HttpOk.build();
/// let modified = SystemTime::now() - Duration::from_secs(60 * 60 * 24);
/// builder.set(LastModified(modified.into()));
/// ```
(LastModified, http::LAST_MODIFIED) => [HttpDate]
test_last_modified {
// Testcase from RFC
test_header!(test1, vec![b"Sat, 29 Oct 1994 19:43:31 GMT"]);}
}

350
src/header/common/mod.rs
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@ -1,5 +1,351 @@
mod if_modified_since;
mod if_unmodified_since;
//! A Collection of Header implementations for common HTTP Headers.
//!
//! ## Mime
//!
//! Several header fields use MIME values for their contents. Keeping with the
//! strongly-typed theme, the [mime](https://docs.rs/mime) crate
//! is used, such as `ContentType(pub Mime)`.
pub use self::accept_charset::AcceptCharset;
//pub use self::accept_encoding::AcceptEncoding;
pub use self::accept_language::AcceptLanguage;
pub use self::accept::Accept;
pub use self::allow::Allow;
pub use self::cache_control::{CacheControl, CacheDirective};
//pub use self::content_disposition::{ContentDisposition, DispositionType, DispositionParam};
pub use self::content_language::ContentLanguage;
pub use self::content_range::{ContentRange, ContentRangeSpec};
pub use self::content_type::ContentType;
pub use self::date::Date;
pub use self::etag::ETag;
pub use self::expires::Expires;
pub use self::if_match::IfMatch;
pub use self::if_modified_since::IfModifiedSince;
pub use self::if_none_match::IfNoneMatch;
pub use self::if_range::IfRange;
pub use self::if_unmodified_since::IfUnmodifiedSince;
pub use self::last_modified::LastModified;
//pub use self::range::{Range, ByteRangeSpec};
#[doc(hidden)]
#[macro_export]
macro_rules! __hyper__deref {
($from:ty => $to:ty) => {
impl ::std::ops::Deref for $from {
type Target = $to;
#[inline]
fn deref(&self) -> &$to {
&self.0
}
}
impl ::std::ops::DerefMut for $from {
#[inline]
fn deref_mut(&mut self) -> &mut $to {
&mut self.0
}
}
}
}
#[doc(hidden)]
#[macro_export]
macro_rules! __hyper__tm {
($id:ident, $tm:ident{$($tf:item)*}) => {
#[allow(unused_imports)]
#[cfg(test)]
mod $tm{
use std::str;
use http::Method;
use $crate::header::*;
use $crate::mime::*;
use super::$id as HeaderField;
$($tf)*
}
}
}
#[doc(hidden)]
#[macro_export]
macro_rules! test_header {
($id:ident, $raw:expr) => {
#[test]
fn $id() {
#[allow(unused)]
use std::ascii::AsciiExt;
use test;
let raw = $raw;
let a: Vec<Vec<u8>> = raw.iter().map(|x| x.to_vec()).collect();
let mut req = test::TestRequest::default();
for item in a {
req = req.header(HeaderField::name(), item);
}
let req = req.finish();
let value = HeaderField::parse(&req);
let result = format!("{}", value.unwrap());
let expected = String::from_utf8(raw[0].to_vec()).unwrap();
let result_cmp: Vec<String> = result
.to_ascii_lowercase()
.split(' ')
.map(|x| x.to_owned())
.collect();
let expected_cmp: Vec<String> = expected
.to_ascii_lowercase()
.split(' ')
.map(|x| x.to_owned())
.collect();
assert_eq!(result_cmp.concat(), expected_cmp.concat());
}
};
($id:ident, $raw:expr, $typed:expr) => {
#[test]
fn $id() {
use $crate::test;
let a: Vec<Vec<u8>> = $raw.iter().map(|x| x.to_vec()).collect();
let mut req = test::TestRequest::default();
for item in a {
req = req.header(HeaderField::name(), item);
}
let req = req.finish();
let val = HeaderField::parse(&req);
let typed: Option<HeaderField> = $typed;
// Test parsing
assert_eq!(val.ok(), typed);
// Test formatting
if typed.is_some() {
let raw = &($raw)[..];
let mut iter = raw.iter().map(|b|str::from_utf8(&b[..]).unwrap());
let mut joined = String::new();
joined.push_str(iter.next().unwrap());
for s in iter {
joined.push_str(", ");
joined.push_str(s);
}
assert_eq!(format!("{}", typed.unwrap()), joined);
}
}
}
}
#[macro_export]
macro_rules! header {
// $a:meta: Attributes associated with the header item (usually docs)
// $id:ident: Identifier of the header
// $n:expr: Lowercase name of the header
// $nn:expr: Nice name of the header
// List header, zero or more items
($(#[$a:meta])*($id:ident, $name:expr) => ($item:ty)*) => {
$(#[$a])*
#[derive(Clone, Debug, PartialEq)]
pub struct $id(pub Vec<$item>);
__hyper__deref!($id => Vec<$item>);
impl $crate::header::Header for $id {
#[inline]
fn name() -> $crate::header::http::HeaderName {
$name
}
#[inline]
fn parse<T>(msg: &T) -> Result<Self, $crate::error::ParseError>
where T: $crate::HttpMessage
{
$crate::header::from_comma_delimited(
msg.headers().get_all(Self::name())).map($id)
}
}
impl ::std::fmt::Display for $id {
#[inline]
fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
$crate::header::fmt_comma_delimited(f, &self.0[..])
}
}
impl $crate::header::IntoHeaderValue for $id {
type Error = $crate::header::http::InvalidHeaderValueBytes;
fn try_into(self) -> Result<$crate::header::http::HeaderValue, Self::Error> {
use std::fmt::Write;
let mut writer = $crate::header::Writer::new();
let _ = write!(&mut writer, "{}", self);
$crate::header::http::HeaderValue::from_shared(writer.take())
}
}
};
// List header, one or more items
($(#[$a:meta])*($id:ident, $name:expr) => ($item:ty)+) => {
$(#[$a])*
#[derive(Clone, Debug, PartialEq)]
pub struct $id(pub Vec<$item>);
__hyper__deref!($id => Vec<$item>);
impl $crate::header::Header for $id {
#[inline]
fn name() -> $crate::header::http::HeaderName {
$name
}
#[inline]
fn parse<T>(msg: &T) -> Result<Self, $crate::error::ParseError>
where T: $crate::HttpMessage
{
$crate::header::from_comma_delimited(
msg.headers().get_all(Self::name())).map($id)
}
}
impl ::std::fmt::Display for $id {
#[inline]
fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
$crate::header::fmt_comma_delimited(f, &self.0[..])
}
}
impl $crate::header::IntoHeaderValue for $id {
type Error = $crate::header::http::InvalidHeaderValueBytes;
fn try_into(self) -> Result<$crate::header::http::HeaderValue, Self::Error> {
use std::fmt::Write;
let mut writer = $crate::header::Writer::new();
let _ = write!(&mut writer, "{}", self);
$crate::header::http::HeaderValue::from_shared(writer.take())
}
}
};
// Single value header
($(#[$a:meta])*($id:ident, $name:expr) => [$value:ty]) => {
$(#[$a])*
#[derive(Clone, Debug, PartialEq)]
pub struct $id(pub $value);
__hyper__deref!($id => $value);
impl $crate::header::Header for $id {
#[inline]
fn name() -> $crate::header::http::HeaderName {
$name
}
#[inline]
fn parse<T>(msg: &T) -> Result<Self, $crate::error::ParseError>
where T: $crate::HttpMessage
{
$crate::header::from_one_raw_str(
msg.headers().get(Self::name())).map($id)
}
}
impl ::std::fmt::Display for $id {
#[inline]
fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
::std::fmt::Display::fmt(&self.0, f)
}
}
impl $crate::header::IntoHeaderValue for $id {
type Error = $crate::header::http::InvalidHeaderValueBytes;
fn try_into(self) -> Result<$crate::header::http::HeaderValue, Self::Error> {
self.0.try_into()
}
}
};
// List header, one or more items with "*" option
($(#[$a:meta])*($id:ident, $name:expr) => {Any / ($item:ty)+}) => {
$(#[$a])*
#[derive(Clone, Debug, PartialEq)]
pub enum $id {
/// Any value is a match
Any,
/// Only the listed items are a match
Items(Vec<$item>),
}
impl $crate::header::Header for $id {
#[inline]
fn name() -> $crate::header::http::HeaderName {
$name
}
#[inline]
fn parse<T>(msg: &T) -> Result<Self, $crate::error::ParseError>
where T: $crate::header::HttpMessage
{
let any = msg.headers().get(Self::name()).and_then(|hdr| {
hdr.to_str().ok().and_then(|hdr| Some(hdr.trim() == "*"))});
if let Some(true) = any {
Ok($id::Any)
} else {
Ok($id::Items(
$crate::header::from_comma_delimited(
msg.headers().get_all(Self::name()))?))
}
}
}
impl ::std::fmt::Display for $id {
#[inline]
fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
match *self {
$id::Any => f.write_str("*"),
$id::Items(ref fields) => $crate::header::fmt_comma_delimited(
f, &fields[..])
}
}
}
impl $crate::header::IntoHeaderValue for $id {
type Error = $crate::header::http::InvalidHeaderValueBytes;
fn try_into(self) -> Result<$crate::header::http::HeaderValue, Self::Error> {
use std::fmt::Write;
let mut writer = $crate::header::Writer::new();
let _ = write!(&mut writer, "{}", self);
$crate::header::http::HeaderValue::from_shared(writer.take())
}
}
};
// optional test module
($(#[$a:meta])*($id:ident, $name:expr) => ($item:ty)* $tm:ident{$($tf:item)*}) => {
header! {
$(#[$a])*
($id, $name) => ($item)*
}
__hyper__tm! { $id, $tm { $($tf)* }}
};
($(#[$a:meta])*($id:ident, $n:expr) => ($item:ty)+ $tm:ident{$($tf:item)*}) => {
header! {
$(#[$a])*
($id, $n) => ($item)+
}
__hyper__tm! { $id, $tm { $($tf)* }}
};
($(#[$a:meta])*($id:ident, $name:expr) => [$item:ty] $tm:ident{$($tf:item)*}) => {
header! {
$(#[$a])* ($id, $name) => [$item]
}
__hyper__tm! { $id, $tm { $($tf)* }}
};
($(#[$a:meta])*($id:ident, $name:expr) => {Any / ($item:ty)+} $tm:ident{$($tf:item)*}) => {
header! {
$(#[$a])*
($id, $name) => {Any / ($item)+}
}
__hyper__tm! { $id, $tm { $($tf)* }}
};
}
mod accept_charset;
//mod accept_encoding;
mod accept_language;
mod accept;
mod allow;
mod cache_control;
//mod content_disposition;
mod content_language;
mod content_range;
mod content_type;
mod date;
mod etag;
mod expires;
mod if_match;
mod if_modified_since;
mod if_none_match;
mod if_range;
mod if_unmodified_since;
mod last_modified;
//mod range;

387
src/header/common/range.rs Normal file
View file

@ -0,0 +1,387 @@
use std::fmt::{self, Display};
use std::str::FromStr;
use header::{Header, Raw};
use header::parsing::{from_one_raw_str};
/// `Range` header, defined in [RFC7233](https://tools.ietf.org/html/rfc7233#section-3.1)
///
/// The "Range" header field on a GET request modifies the method
/// semantics to request transfer of only one or more subranges of the
/// selected representation data, rather than the entire selected
/// representation data.
///
/// # ABNF
///
/// ```text
/// Range = byte-ranges-specifier / other-ranges-specifier
/// other-ranges-specifier = other-range-unit "=" other-range-set
/// other-range-set = 1*VCHAR
///
/// bytes-unit = "bytes"
///
/// byte-ranges-specifier = bytes-unit "=" byte-range-set
/// byte-range-set = 1#(byte-range-spec / suffix-byte-range-spec)
/// byte-range-spec = first-byte-pos "-" [last-byte-pos]
/// first-byte-pos = 1*DIGIT
/// last-byte-pos = 1*DIGIT
/// ```
///
/// # Example values
///
/// * `bytes=1000-`
/// * `bytes=-2000`
/// * `bytes=0-1,30-40`
/// * `bytes=0-10,20-90,-100`
/// * `custom_unit=0-123`
/// * `custom_unit=xxx-yyy`
///
/// # Examples
///
/// ```
/// use hyper::header::{Headers, Range, ByteRangeSpec};
///
/// let mut headers = Headers::new();
/// headers.set(Range::Bytes(
/// vec![ByteRangeSpec::FromTo(1, 100), ByteRangeSpec::AllFrom(200)]
/// ));
///
/// headers.clear();
/// headers.set(Range::Unregistered("letters".to_owned(), "a-f".to_owned()));
/// ```
///
/// ```
/// use hyper::header::{Headers, Range};
///
/// let mut headers = Headers::new();
/// headers.set(Range::bytes(1, 100));
///
/// headers.clear();
/// headers.set(Range::bytes_multi(vec![(1, 100), (200, 300)]));
/// ```
#[derive(PartialEq, Clone, Debug)]
pub enum Range {
/// Byte range
Bytes(Vec<ByteRangeSpec>),
/// Custom range, with unit not registered at IANA
/// (`other-range-unit`: String , `other-range-set`: String)
Unregistered(String, String)
}
/// Each `Range::Bytes` header can contain one or more `ByteRangeSpecs`.
/// Each `ByteRangeSpec` defines a range of bytes to fetch
#[derive(PartialEq, Clone, Debug)]
pub enum ByteRangeSpec {
/// Get all bytes between x and y ("x-y")
FromTo(u64, u64),
/// Get all bytes starting from x ("x-")
AllFrom(u64),
/// Get last x bytes ("-x")
Last(u64)
}
impl ByteRangeSpec {
/// Given the full length of the entity, attempt to normalize the byte range
/// into an satisfiable end-inclusive (from, to) range.
///
/// The resulting range is guaranteed to be a satisfiable range within the bounds
/// of `0 <= from <= to < full_length`.
///
/// If the byte range is deemed unsatisfiable, `None` is returned.
/// An unsatisfiable range is generally cause for a server to either reject
/// the client request with a `416 Range Not Satisfiable` status code, or to
/// simply ignore the range header and serve the full entity using a `200 OK`
/// status code.
///
/// This function closely follows [RFC 7233][1] section 2.1.
/// As such, it considers ranges to be satisfiable if they meet the following
/// conditions:
///
/// > If a valid byte-range-set includes at least one byte-range-spec with
/// a first-byte-pos that is less than the current length of the
/// representation, or at least one suffix-byte-range-spec with a
/// non-zero suffix-length, then the byte-range-set is satisfiable.
/// Otherwise, the byte-range-set is unsatisfiable.
///
/// The function also computes remainder ranges based on the RFC:
///
/// > If the last-byte-pos value is
/// absent, or if the value is greater than or equal to the current
/// length of the representation data, the byte range is interpreted as
/// the remainder of the representation (i.e., the server replaces the
/// value of last-byte-pos with a value that is one less than the current
/// length of the selected representation).
///
/// [1]: https://tools.ietf.org/html/rfc7233
pub fn to_satisfiable_range(&self, full_length: u64) -> Option<(u64, u64)> {
// If the full length is zero, there is no satisfiable end-inclusive range.
if full_length == 0 {
return None;
}
match self {
&ByteRangeSpec::FromTo(from, to) => {
if from < full_length && from <= to {
Some((from, ::std::cmp::min(to, full_length - 1)))
} else {
None
}
},
&ByteRangeSpec::AllFrom(from) => {
if from < full_length {
Some((from, full_length - 1))
} else {
None
}
},
&ByteRangeSpec::Last(last) => {
if last > 0 {
// From the RFC: If the selected representation is shorter
// than the specified suffix-length,
// the entire representation is used.
if last > full_length {
Some((0, full_length - 1))
} else {
Some((full_length - last, full_length - 1))
}
} else {
None
}
}
}
}
}
impl Range {
/// Get the most common byte range header ("bytes=from-to")
pub fn bytes(from: u64, to: u64) -> Range {
Range::Bytes(vec![ByteRangeSpec::FromTo(from, to)])
}
/// Get byte range header with multiple subranges
/// ("bytes=from1-to1,from2-to2,fromX-toX")
pub fn bytes_multi(ranges: Vec<(u64, u64)>) -> Range {
Range::Bytes(ranges.iter().map(|r| ByteRangeSpec::FromTo(r.0, r.1)).collect())
}
}
impl fmt::Display for ByteRangeSpec {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
ByteRangeSpec::FromTo(from, to) => write!(f, "{}-{}", from, to),
ByteRangeSpec::Last(pos) => write!(f, "-{}", pos),
ByteRangeSpec::AllFrom(pos) => write!(f, "{}-", pos),
}
}
}
impl fmt::Display for Range {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
Range::Bytes(ref ranges) => {
try!(write!(f, "bytes="));
for (i, range) in ranges.iter().enumerate() {
if i != 0 {
try!(f.write_str(","));
}
try!(Display::fmt(range, f));
}
Ok(())
},
Range::Unregistered(ref unit, ref range_str) => {
write!(f, "{}={}", unit, range_str)
},
}
}
}
impl FromStr for Range {
type Err = ::Error;
fn from_str(s: &str) -> ::Result<Range> {
let mut iter = s.splitn(2, '=');
match (iter.next(), iter.next()) {
(Some("bytes"), Some(ranges)) => {
let ranges = from_comma_delimited(ranges);
if ranges.is_empty() {
return Err(::Error::Header);
}
Ok(Range::Bytes(ranges))
}
(Some(unit), Some(range_str)) if unit != "" && range_str != "" => {
Ok(Range::Unregistered(unit.to_owned(), range_str.to_owned()))
},
_ => Err(::Error::Header)
}
}
}
impl FromStr for ByteRangeSpec {
type Err = ::Error;
fn from_str(s: &str) -> ::Result<ByteRangeSpec> {
let mut parts = s.splitn(2, '-');
match (parts.next(), parts.next()) {
(Some(""), Some(end)) => {
end.parse().or(Err(::Error::Header)).map(ByteRangeSpec::Last)
},
(Some(start), Some("")) => {
start.parse().or(Err(::Error::Header)).map(ByteRangeSpec::AllFrom)
},
(Some(start), Some(end)) => {
match (start.parse(), end.parse()) {
(Ok(start), Ok(end)) if start <= end => Ok(ByteRangeSpec::FromTo(start, end)),
_ => Err(::Error::Header)
}
},
_ => Err(::Error::Header)
}
}
}
fn from_comma_delimited<T: FromStr>(s: &str) -> Vec<T> {
s.split(',')
.filter_map(|x| match x.trim() {
"" => None,
y => Some(y)
})
.filter_map(|x| x.parse().ok())
.collect()
}
impl Header for Range {
fn header_name() -> &'static str {
static NAME: &'static str = "Range";
NAME
}
fn parse_header(raw: &Raw) -> ::Result<Range> {
from_one_raw_str(raw)
}
fn fmt_header(&self, f: &mut ::header::Formatter) -> fmt::Result {
f.fmt_line(self)
}
}
#[test]
fn test_parse_bytes_range_valid() {
let r: Range = Header::parse_header(&"bytes=1-100".into()).unwrap();
let r2: Range = Header::parse_header(&"bytes=1-100,-".into()).unwrap();
let r3 = Range::bytes(1, 100);
assert_eq!(r, r2);
assert_eq!(r2, r3);
let r: Range = Header::parse_header(&"bytes=1-100,200-".into()).unwrap();
let r2: Range = Header::parse_header(&"bytes= 1-100 , 101-xxx, 200- ".into()).unwrap();
let r3 = Range::Bytes(
vec![ByteRangeSpec::FromTo(1, 100), ByteRangeSpec::AllFrom(200)]
);
assert_eq!(r, r2);
assert_eq!(r2, r3);
let r: Range = Header::parse_header(&"bytes=1-100,-100".into()).unwrap();
let r2: Range = Header::parse_header(&"bytes=1-100, ,,-100".into()).unwrap();
let r3 = Range::Bytes(
vec![ByteRangeSpec::FromTo(1, 100), ByteRangeSpec::Last(100)]
);
assert_eq!(r, r2);
assert_eq!(r2, r3);
let r: Range = Header::parse_header(&"custom=1-100,-100".into()).unwrap();
let r2 = Range::Unregistered("custom".to_owned(), "1-100,-100".to_owned());
assert_eq!(r, r2);
}
#[test]
fn test_parse_unregistered_range_valid() {
let r: Range = Header::parse_header(&"custom=1-100,-100".into()).unwrap();
let r2 = Range::Unregistered("custom".to_owned(), "1-100,-100".to_owned());
assert_eq!(r, r2);
let r: Range = Header::parse_header(&"custom=abcd".into()).unwrap();
let r2 = Range::Unregistered("custom".to_owned(), "abcd".to_owned());
assert_eq!(r, r2);
let r: Range = Header::parse_header(&"custom=xxx-yyy".into()).unwrap();
let r2 = Range::Unregistered("custom".to_owned(), "xxx-yyy".to_owned());
assert_eq!(r, r2);
}
#[test]
fn test_parse_invalid() {
let r: ::Result<Range> = Header::parse_header(&"bytes=1-a,-".into());
assert_eq!(r.ok(), None);
let r: ::Result<Range> = Header::parse_header(&"bytes=1-2-3".into());
assert_eq!(r.ok(), None);
let r: ::Result<Range> = Header::parse_header(&"abc".into());
assert_eq!(r.ok(), None);
let r: ::Result<Range> = Header::parse_header(&"bytes=1-100=".into());
assert_eq!(r.ok(), None);
let r: ::Result<Range> = Header::parse_header(&"bytes=".into());
assert_eq!(r.ok(), None);
let r: ::Result<Range> = Header::parse_header(&"custom=".into());
assert_eq!(r.ok(), None);
let r: ::Result<Range> = Header::parse_header(&"=1-100".into());
assert_eq!(r.ok(), None);
}
#[test]
fn test_fmt() {
use header::Headers;
let mut headers = Headers::new();
headers.set(
Range::Bytes(
vec![ByteRangeSpec::FromTo(0, 1000), ByteRangeSpec::AllFrom(2000)]
));
assert_eq!(&headers.to_string(), "Range: bytes=0-1000,2000-\r\n");
headers.clear();
headers.set(Range::Bytes(vec![]));
assert_eq!(&headers.to_string(), "Range: bytes=\r\n");
headers.clear();
headers.set(Range::Unregistered("custom".to_owned(), "1-xxx".to_owned()));
assert_eq!(&headers.to_string(), "Range: custom=1-xxx\r\n");
}
#[test]
fn test_byte_range_spec_to_satisfiable_range() {
assert_eq!(Some((0, 0)), ByteRangeSpec::FromTo(0, 0).to_satisfiable_range(3));
assert_eq!(Some((1, 2)), ByteRangeSpec::FromTo(1, 2).to_satisfiable_range(3));
assert_eq!(Some((1, 2)), ByteRangeSpec::FromTo(1, 5).to_satisfiable_range(3));
assert_eq!(None, ByteRangeSpec::FromTo(3, 3).to_satisfiable_range(3));
assert_eq!(None, ByteRangeSpec::FromTo(2, 1).to_satisfiable_range(3));
assert_eq!(None, ByteRangeSpec::FromTo(0, 0).to_satisfiable_range(0));
assert_eq!(Some((0, 2)), ByteRangeSpec::AllFrom(0).to_satisfiable_range(3));
assert_eq!(Some((2, 2)), ByteRangeSpec::AllFrom(2).to_satisfiable_range(3));
assert_eq!(None, ByteRangeSpec::AllFrom(3).to_satisfiable_range(3));
assert_eq!(None, ByteRangeSpec::AllFrom(5).to_satisfiable_range(3));
assert_eq!(None, ByteRangeSpec::AllFrom(0).to_satisfiable_range(0));
assert_eq!(Some((1, 2)), ByteRangeSpec::Last(2).to_satisfiable_range(3));
assert_eq!(Some((2, 2)), ByteRangeSpec::Last(1).to_satisfiable_range(3));
assert_eq!(Some((0, 2)), ByteRangeSpec::Last(5).to_satisfiable_range(3));
assert_eq!(None, ByteRangeSpec::Last(0).to_satisfiable_range(3));
assert_eq!(None, ByteRangeSpec::Last(2).to_satisfiable_range(0));
}

153
src/header/mod.rs
View file

@ -1,22 +1,32 @@
//! Various http headers
// A lot of code is inspired by hyper
// This is mostly copy of [hyper](https://github.com/hyperium/hyper/tree/master/src/header)
use bytes::Bytes;
use std::fmt;
use std::str::FromStr;
use bytes::{Bytes, BytesMut};
use http::{Error as HttpError};
use http::header::{InvalidHeaderValue, InvalidHeaderValueBytes};
use http::header::GetAll;
use mime::Mime;
pub use cookie::{Cookie, CookieBuilder};
pub use http_range::HttpRange;
pub use http::header::{HeaderName, HeaderValue};
#[doc(hidden)]
pub mod http {
pub use http::header::*;
}
use error::ParseError;
use httpmessage::HttpMessage;
pub use httpresponse::ConnectionType;
mod common;
mod httpdate;
mod shared;
#[doc(hidden)]
pub use self::common::*;
pub use self::httpdate::HttpDate;
#[doc(hidden)]
pub use self::shared::*;
#[doc(hidden)]
@ -24,7 +34,7 @@ pub use self::httpdate::HttpDate;
pub trait Header where Self: IntoHeaderValue {
/// Returns the name of the header field
fn name() -> HeaderName;
fn name() -> http::HeaderName;
/// Parse a header
fn parse<T: HttpMessage>(msg: &T) -> Result<Self, ParseError>;
@ -37,42 +47,69 @@ pub trait IntoHeaderValue: Sized {
type Error: Into<HttpError>;
/// Cast from PyObject to a concrete Python object type.
fn try_into(self) -> Result<HeaderValue, Self::Error>;
fn try_into(self) -> Result<http::HeaderValue, Self::Error>;
}
impl IntoHeaderValue for HeaderValue {
type Error = InvalidHeaderValue;
impl IntoHeaderValue for http::HeaderValue {
type Error = http::InvalidHeaderValue;
#[inline]
fn try_into(self) -> Result<HeaderValue, Self::Error> {
fn try_into(self) -> Result<http::HeaderValue, Self::Error> {
Ok(self)
}
}
impl<'a> IntoHeaderValue for &'a str {
type Error = InvalidHeaderValue;
type Error = http::InvalidHeaderValue;
#[inline]
fn try_into(self) -> Result<HeaderValue, Self::Error> {
fn try_into(self) -> Result<http::HeaderValue, Self::Error> {
self.parse()
}
}
impl<'a> IntoHeaderValue for &'a [u8] {
type Error = InvalidHeaderValue;
type Error = http::InvalidHeaderValue;
#[inline]
fn try_into(self) -> Result<HeaderValue, Self::Error> {
HeaderValue::from_bytes(self)
fn try_into(self) -> Result<http::HeaderValue, Self::Error> {
http::HeaderValue::from_bytes(self)
}
}
impl IntoHeaderValue for Bytes {
type Error = InvalidHeaderValueBytes;
type Error = http::InvalidHeaderValueBytes;
#[inline]
fn try_into(self) -> Result<HeaderValue, Self::Error> {
HeaderValue::from_shared(self)
fn try_into(self) -> Result<http::HeaderValue, Self::Error> {
http::HeaderValue::from_shared(self)
}
}
impl IntoHeaderValue for Vec<u8> {
type Error = http::InvalidHeaderValueBytes;
#[inline]
fn try_into(self) -> Result<http::HeaderValue, Self::Error> {
http::HeaderValue::from_shared(Bytes::from(self))
}
}
impl IntoHeaderValue for String {
type Error = http::InvalidHeaderValueBytes;
#[inline]
fn try_into(self) -> Result<http::HeaderValue, Self::Error> {
http::HeaderValue::from_shared(Bytes::from(self))
}
}
impl IntoHeaderValue for Mime {
type Error = http::InvalidHeaderValueBytes;
#[inline]
fn try_into(self) -> Result<http::HeaderValue, Self::Error> {
http::HeaderValue::from_shared(Bytes::from(format!("{}", self)))
}
}
@ -133,3 +170,81 @@ impl<'a> From<&'a str> for ContentEncoding {
}
}
}
#[doc(hidden)]
pub(crate) struct Writer {
buf: BytesMut,
}
impl Writer {
fn new() -> Writer {
Writer{buf: BytesMut::new()}
}
fn take(&mut self) -> Bytes {
self.buf.take().freeze()
}
}
impl fmt::Write for Writer {
#[inline]
fn write_str(&mut self, s: &str) -> fmt::Result {
self.buf.extend_from_slice(s.as_bytes());
Ok(())
}
#[inline]
fn write_fmt(&mut self, args: fmt::Arguments) -> fmt::Result {
fmt::write(self, args)
}
}
#[inline]
#[doc(hidden)]
/// Reads a comma-delimited raw header into a Vec.
pub fn from_comma_delimited<T: FromStr>(all: GetAll<http::HeaderValue>)
-> Result<Vec<T>, ParseError>
{
let mut result = Vec::new();
for h in all {
let s = h.to_str().map_err(|_| ParseError::Header)?;
result.extend(s.split(',')
.filter_map(|x| match x.trim() {
"" => None,
y => Some(y)
})
.filter_map(|x| x.trim().parse().ok()))
}
Ok(result)
}
#[inline]
#[doc(hidden)]
/// Reads a single string when parsing a header.
pub fn from_one_raw_str<T: FromStr>(val: Option<&http::HeaderValue>)
-> Result<T, ParseError>
{
if let Some(line) = val {
let line = line.to_str().map_err(|_| ParseError::Header)?;
if !line.is_empty() {
return T::from_str(line).or(Err(ParseError::Header))
}
}
Err(ParseError::Header)
}
#[inline]
#[doc(hidden)]
/// Format an array into a comma-delimited string.
pub fn fmt_comma_delimited<T>(f: &mut fmt::Formatter, parts: &[T]) -> fmt::Result
where T: fmt::Display
{
let mut iter = parts.iter();
if let Some(part) = iter.next() {
fmt::Display::fmt(part, f)?;
}
for part in iter {
f.write_str(", ")?;
fmt::Display::fmt(part, f)?;
}
Ok(())
}

154
src/header/shared/charset.rs Normal file
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@ -0,0 +1,154 @@
#![allow(unused)]
use std::fmt::{self, Display};
use std::str::FromStr;
use std::ascii::AsciiExt;
use self::Charset::*;
/// A Mime charset.
///
/// The string representation is normalised to upper case.
///
/// See [http://www.iana.org/assignments/character-sets/character-sets.xhtml][url].
///
/// [url]: http://www.iana.org/assignments/character-sets/character-sets.xhtml
#[derive(Clone,Debug,PartialEq)]
#[allow(non_camel_case_types)]
pub enum Charset{
/// US ASCII
Us_Ascii,
/// ISO-8859-1
Iso_8859_1,
/// ISO-8859-2
Iso_8859_2,
/// ISO-8859-3
Iso_8859_3,
/// ISO-8859-4
Iso_8859_4,
/// ISO-8859-5
Iso_8859_5,
/// ISO-8859-6
Iso_8859_6,
/// ISO-8859-7
Iso_8859_7,
/// ISO-8859-8
Iso_8859_8,
/// ISO-8859-9
Iso_8859_9,
/// ISO-8859-10
Iso_8859_10,
/// Shift_JIS
Shift_Jis,
/// EUC-JP
Euc_Jp,
/// ISO-2022-KR
Iso_2022_Kr,
/// EUC-KR
Euc_Kr,
/// ISO-2022-JP
Iso_2022_Jp,
/// ISO-2022-JP-2
Iso_2022_Jp_2,
/// ISO-8859-6-E
Iso_8859_6_E,
/// ISO-8859-6-I
Iso_8859_6_I,
/// ISO-8859-8-E
Iso_8859_8_E,
/// ISO-8859-8-I
Iso_8859_8_I,
/// GB2312
Gb2312,
/// Big5
Big5,
/// KOI8-R
Koi8_R,
/// An arbitrary charset specified as a string
Ext(String)
}
impl Charset {
fn name(&self) -> &str {
match *self {
Us_Ascii => "US-ASCII",
Iso_8859_1 => "ISO-8859-1",
Iso_8859_2 => "ISO-8859-2",
Iso_8859_3 => "ISO-8859-3",
Iso_8859_4 => "ISO-8859-4",
Iso_8859_5 => "ISO-8859-5",
Iso_8859_6 => "ISO-8859-6",
Iso_8859_7 => "ISO-8859-7",
Iso_8859_8 => "ISO-8859-8",
Iso_8859_9 => "ISO-8859-9",
Iso_8859_10 => "ISO-8859-10",
Shift_Jis => "Shift-JIS",
Euc_Jp => "EUC-JP",
Iso_2022_Kr => "ISO-2022-KR",
Euc_Kr => "EUC-KR",
Iso_2022_Jp => "ISO-2022-JP",
Iso_2022_Jp_2 => "ISO-2022-JP-2",
Iso_8859_6_E => "ISO-8859-6-E",
Iso_8859_6_I => "ISO-8859-6-I",
Iso_8859_8_E => "ISO-8859-8-E",
Iso_8859_8_I => "ISO-8859-8-I",
Gb2312 => "GB2312",
Big5 => "5",
Koi8_R => "KOI8-R",
Ext(ref s) => s
}
}
}
impl Display for Charset {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str(self.name())
}
}
impl FromStr for Charset {
type Err = ::Error;
fn from_str(s: &str) -> ::Result<Charset> {
Ok(match s.to_ascii_uppercase().as_ref() {
"US-ASCII" => Us_Ascii,
"ISO-8859-1" => Iso_8859_1,
"ISO-8859-2" => Iso_8859_2,
"ISO-8859-3" => Iso_8859_3,
"ISO-8859-4" => Iso_8859_4,
"ISO-8859-5" => Iso_8859_5,
"ISO-8859-6" => Iso_8859_6,
"ISO-8859-7" => Iso_8859_7,
"ISO-8859-8" => Iso_8859_8,
"ISO-8859-9" => Iso_8859_9,
"ISO-8859-10" => Iso_8859_10,
"SHIFT-JIS" => Shift_Jis,
"EUC-JP" => Euc_Jp,
"ISO-2022-KR" => Iso_2022_Kr,
"EUC-KR" => Euc_Kr,
"ISO-2022-JP" => Iso_2022_Jp,
"ISO-2022-JP-2" => Iso_2022_Jp_2,
"ISO-8859-6-E" => Iso_8859_6_E,
"ISO-8859-6-I" => Iso_8859_6_I,
"ISO-8859-8-E" => Iso_8859_8_E,
"ISO-8859-8-I" => Iso_8859_8_I,
"GB2312" => Gb2312,
"5" => Big5,
"KOI8-R" => Koi8_R,
s => Ext(s.to_owned())
})
}
}
#[test]
fn test_parse() {
assert_eq!(Us_Ascii,"us-ascii".parse().unwrap());
assert_eq!(Us_Ascii,"US-Ascii".parse().unwrap());
assert_eq!(Us_Ascii,"US-ASCII".parse().unwrap());
assert_eq!(Shift_Jis,"Shift-JIS".parse().unwrap());
assert_eq!(Ext("ABCD".to_owned()),"abcd".parse().unwrap());
}
#[test]
fn test_display() {
assert_eq!("US-ASCII", format!("{}", Us_Ascii));
assert_eq!("ABCD", format!("{}", Ext("ABCD".to_owned())));
}

57
src/header/shared/encoding.rs Normal file
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@ -0,0 +1,57 @@
use std::fmt;
use std::str;
pub use self::Encoding::{Chunked, Brotli, Gzip, Deflate, Compress, Identity, EncodingExt, Trailers};
/// A value to represent an encoding used in `Transfer-Encoding`
/// or `Accept-Encoding` header.
#[derive(Clone, PartialEq, Debug)]
pub enum Encoding {
/// The `chunked` encoding.
Chunked,
/// The `br` encoding.
Brotli,
/// The `gzip` encoding.
Gzip,
/// The `deflate` encoding.
Deflate,
/// The `compress` encoding.
Compress,
/// The `identity` encoding.
Identity,
/// The `trailers` encoding.
Trailers,
/// Some other encoding that is less common, can be any String.
EncodingExt(String)
}
impl fmt::Display for Encoding {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str(match *self {
Chunked => "chunked",
Brotli => "br",
Gzip => "gzip",
Deflate => "deflate",
Compress => "compress",
Identity => "identity",
Trailers => "trailers",
EncodingExt(ref s) => s.as_ref()
})
}
}
impl str::FromStr for Encoding {
type Err = ::error::ParseError;
fn from_str(s: &str) -> Result<Encoding, ::error::ParseError> {
match s {
"chunked" => Ok(Chunked),
"br" => Ok(Brotli),
"deflate" => Ok(Deflate),
"gzip" => Ok(Gzip),
"compress" => Ok(Compress),
"identity" => Ok(Identity),
"trailers" => Ok(Trailers),
_ => Ok(EncodingExt(s.to_owned()))
}
}
}

230
src/header/shared/entity.rs Normal file
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@ -0,0 +1,230 @@
use std::str::FromStr;
use std::fmt::{self, Display, Write};
use header::{http, Writer, IntoHeaderValue};
/// check that each char in the slice is either:
/// 1. `%x21`, or
/// 2. in the range `%x23` to `%x7E`, or
/// 3. above `%x80`
fn check_slice_validity(slice: &str) -> bool {
slice.bytes().all(|c|
c == b'\x21' || (c >= b'\x23' && c <= b'\x7e') | (c >= b'\x80'))
}
/// An entity tag, defined in [RFC7232](https://tools.ietf.org/html/rfc7232#section-2.3)
///
/// An entity tag consists of a string enclosed by two literal double quotes.
/// Preceding the first double quote is an optional weakness indicator,
/// which always looks like `W/`. Examples for valid tags are `"xyzzy"` and `W/"xyzzy"`.
///
/// # ABNF
///
/// ```text
/// entity-tag = [ weak ] opaque-tag
/// weak = %x57.2F ; "W/", case-sensitive
/// opaque-tag = DQUOTE *etagc DQUOTE
/// etagc = %x21 / %x23-7E / obs-text
/// ; VCHAR except double quotes, plus obs-text
/// ```
///
/// # Comparison
/// To check if two entity tags are equivalent in an application always use the `strong_eq` or
/// `weak_eq` methods based on the context of the Tag. Only use `==` to check if two tags are
/// identical.
///
/// The example below shows the results for a set of entity-tag pairs and
/// both the weak and strong comparison function results:
///
/// | `ETag 1`| `ETag 2`| Strong Comparison | Weak Comparison |
/// |---------|---------|-------------------|-----------------|
/// | `W/"1"` | `W/"1"` | no match | match |
/// | `W/"1"` | `W/"2"` | no match | no match |
/// | `W/"1"` | `"1"` | no match | match |
/// | `"1"` | `"1"` | match | match |
#[derive(Clone, Debug, Eq, PartialEq)]
pub struct EntityTag {
/// Weakness indicator for the tag
pub weak: bool,
/// The opaque string in between the DQUOTEs
tag: String
}
impl EntityTag {
/// Constructs a new EntityTag.
/// # Panics
/// If the tag contains invalid characters.
pub fn new(weak: bool, tag: String) -> EntityTag {
assert!(check_slice_validity(&tag), "Invalid tag: {:?}", tag);
EntityTag { weak, tag }
}
/// Constructs a new weak EntityTag.
/// # Panics
/// If the tag contains invalid characters.
pub fn weak(tag: String) -> EntityTag {
EntityTag::new(true, tag)
}
/// Constructs a new strong EntityTag.
/// # Panics
/// If the tag contains invalid characters.
pub fn strong(tag: String) -> EntityTag {
EntityTag::new(false, tag)
}
/// Get the tag.
pub fn tag(&self) -> &str {
self.tag.as_ref()
}
/// Set the tag.
/// # Panics
/// If the tag contains invalid characters.
pub fn set_tag(&mut self, tag: String) {
assert!(check_slice_validity(&tag), "Invalid tag: {:?}", tag);
self.tag = tag
}
/// For strong comparison two entity-tags are equivalent if both are not weak and their
/// opaque-tags match character-by-character.
pub fn strong_eq(&self, other: &EntityTag) -> bool {
!self.weak && !other.weak && self.tag == other.tag
}
/// For weak comparison two entity-tags are equivalent if their
/// opaque-tags match character-by-character, regardless of either or
/// both being tagged as "weak".
pub fn weak_eq(&self, other: &EntityTag) -> bool {
self.tag == other.tag
}
/// The inverse of `EntityTag.strong_eq()`.
pub fn strong_ne(&self, other: &EntityTag) -> bool {
!self.strong_eq(other)
}
/// The inverse of `EntityTag.weak_eq()`.
pub fn weak_ne(&self, other: &EntityTag) -> bool {
!self.weak_eq(other)
}
}
impl Display for EntityTag {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
if self.weak {
write!(f, "W/\"{}\"", self.tag)
} else {
write!(f, "\"{}\"", self.tag)
}
}
}
impl FromStr for EntityTag {
type Err = ::error::ParseError;
fn from_str(s: &str) -> Result<EntityTag, ::error::ParseError> {
let length: usize = s.len();
let slice = &s[..];
// Early exits if it doesn't terminate in a DQUOTE.
if !slice.ends_with('"') || slice.len() < 2 {
return Err(::error::ParseError::Header);
}
// The etag is weak if its first char is not a DQUOTE.
if slice.len() >= 2 && slice.starts_with('"')
&& check_slice_validity(&slice[1..length-1]) {
// No need to check if the last char is a DQUOTE,
// we already did that above.
return Ok(EntityTag { weak: false, tag: slice[1..length-1].to_owned() });
} else if slice.len() >= 4 && slice.starts_with("W/\"")
&& check_slice_validity(&slice[3..length-1]) {
return Ok(EntityTag { weak: true, tag: slice[3..length-1].to_owned() });
}
Err(::error::ParseError::Header)
}
}
impl IntoHeaderValue for EntityTag {
type Error = http::InvalidHeaderValueBytes;
fn try_into(self) -> Result<http::HeaderValue, Self::Error> {
let mut wrt = Writer::new();
write!(wrt, "{}", self).unwrap();
unsafe{Ok(http::HeaderValue::from_shared_unchecked(wrt.take()))}
}
}
#[cfg(test)]
mod tests {
use super::EntityTag;
#[test]
fn test_etag_parse_success() {
// Expected success
assert_eq!("\"foobar\"".parse::<EntityTag>().unwrap(),
EntityTag::strong("foobar".to_owned()));
assert_eq!("\"\"".parse::<EntityTag>().unwrap(),
EntityTag::strong("".to_owned()));
assert_eq!("W/\"weaktag\"".parse::<EntityTag>().unwrap(),
EntityTag::weak("weaktag".to_owned()));
assert_eq!("W/\"\x65\x62\"".parse::<EntityTag>().unwrap(),
EntityTag::weak("\x65\x62".to_owned()));
assert_eq!("W/\"\"".parse::<EntityTag>().unwrap(), EntityTag::weak("".to_owned()));
}
#[test]
fn test_etag_parse_failures() {
// Expected failures
assert!("no-dquotes".parse::<EntityTag>().is_err());
assert!("w/\"the-first-w-is-case-sensitive\"".parse::<EntityTag>().is_err());
assert!("".parse::<EntityTag>().is_err());
assert!("\"unmatched-dquotes1".parse::<EntityTag>().is_err());
assert!("unmatched-dquotes2\"".parse::<EntityTag>().is_err());
assert!("matched-\"dquotes\"".parse::<EntityTag>().is_err());
}
#[test]
fn test_etag_fmt() {
assert_eq!(format!("{}", EntityTag::strong("foobar".to_owned())), "\"foobar\"");
assert_eq!(format!("{}", EntityTag::strong("".to_owned())), "\"\"");
assert_eq!(format!("{}", EntityTag::weak("weak-etag".to_owned())), "W/\"weak-etag\"");
assert_eq!(format!("{}", EntityTag::weak("\u{0065}".to_owned())), "W/\"\x65\"");
assert_eq!(format!("{}", EntityTag::weak("".to_owned())), "W/\"\"");
}
#[test]
fn test_cmp() {
// | ETag 1 | ETag 2 | Strong Comparison | Weak Comparison |
// |---------|---------|-------------------|-----------------|
// | `W/"1"` | `W/"1"` | no match | match |
// | `W/"1"` | `W/"2"` | no match | no match |
// | `W/"1"` | `"1"` | no match | match |
// | `"1"` | `"1"` | match | match |
let mut etag1 = EntityTag::weak("1".to_owned());
let mut etag2 = EntityTag::weak("1".to_owned());
assert!(!etag1.strong_eq(&etag2));
assert!(etag1.weak_eq(&etag2));
assert!(etag1.strong_ne(&etag2));
assert!(!etag1.weak_ne(&etag2));
etag1 = EntityTag::weak("1".to_owned());
etag2 = EntityTag::weak("2".to_owned());
assert!(!etag1.strong_eq(&etag2));
assert!(!etag1.weak_eq(&etag2));
assert!(etag1.strong_ne(&etag2));
assert!(etag1.weak_ne(&etag2));
etag1 = EntityTag::weak("1".to_owned());
etag2 = EntityTag::strong("1".to_owned());
assert!(!etag1.strong_eq(&etag2));
assert!(etag1.weak_eq(&etag2));
assert!(etag1.strong_ne(&etag2));
assert!(!etag1.weak_ne(&etag2));
etag1 = EntityTag::strong("1".to_owned());
etag2 = EntityTag::strong("1".to_owned());
assert!(etag1.strong_eq(&etag2));
assert!(etag1.weak_eq(&etag2));
assert!(!etag1.strong_ne(&etag2));
assert!(!etag1.weak_ne(&etag2));
}
}

2
src/header/httpdate.rs → src/header/shared/httpdate.rs
View file

@ -8,7 +8,7 @@ use bytes::{BytesMut, BufMut};
use http::header::{HeaderValue, InvalidHeaderValueBytes};
use error::ParseError;
use super::IntoHeaderValue;
use header::IntoHeaderValue;
/// A timestamp with HTTP formatting and parsing

14
src/header/shared/mod.rs Normal file
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@ -0,0 +1,14 @@
//! Copied for `hyper::header::shared`;
pub use self::charset::Charset;
pub use self::encoding::Encoding;
pub use self::entity::EntityTag;
pub use self::httpdate::HttpDate;
pub use language_tags::LanguageTag;
pub use self::quality_item::{Quality, QualityItem, qitem, q};
mod charset;
mod entity;
mod encoding;
mod httpdate;
mod quality_item;

265
src/header/shared/quality_item.rs Normal file
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@ -0,0 +1,265 @@
#![allow(unused)]
use std::ascii::AsciiExt;
use std::cmp;
use std::default::Default;
use std::fmt;
use std::str;
use self::internal::IntoQuality;
/// Represents a quality used in quality values.
///
/// Can be created with the `q` function.
///
/// # Implementation notes
///
/// The quality value is defined as a number between 0 and 1 with three decimal places. This means
/// there are 1001 possible values. Since floating point numbers are not exact and the smallest
/// floating point data type (`f32`) consumes four bytes, hyper uses an `u16` value to store the
/// quality internally. For performance reasons you may set quality directly to a value between
/// 0 and 1000 e.g. `Quality(532)` matches the quality `q=0.532`.
///
/// [RFC7231 Section 5.3.1](https://tools.ietf.org/html/rfc7231#section-5.3.1)
/// gives more information on quality values in HTTP header fields.
#[derive(Copy, Clone, Debug, Eq, Ord, PartialEq, PartialOrd)]
pub struct Quality(u16);
impl Default for Quality {
fn default() -> Quality {
Quality(1000)
}
}
/// Represents an item with a quality value as defined in
/// [RFC7231](https://tools.ietf.org/html/rfc7231#section-5.3.1).
#[derive(Clone, PartialEq, Debug)]
pub struct QualityItem<T> {
/// The actual contents of the field.
pub item: T,
/// The quality (client or server preference) for the value.
pub quality: Quality,
}
impl<T> QualityItem<T> {
/// Creates a new `QualityItem` from an item and a quality.
/// The item can be of any type.
/// The quality should be a value in the range [0, 1].
pub fn new(item: T, quality: Quality) -> QualityItem<T> {
QualityItem { item, quality }
}
}
impl<T: PartialEq> cmp::PartialOrd for QualityItem<T> {
fn partial_cmp(&self, other: &QualityItem<T>) -> Option<cmp::Ordering> {
self.quality.partial_cmp(&other.quality)
}
}
impl<T: fmt::Display> fmt::Display for QualityItem<T> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
try!(fmt::Display::fmt(&self.item, f));
match self.quality.0 {
1000 => Ok(()),
0 => f.write_str("; q=0"),
x => write!(f, "; q=0.{}", format!("{:03}", x).trim_right_matches('0'))
}
}
}
impl<T: str::FromStr> str::FromStr for QualityItem<T> {
type Err = ::error::ParseError;
fn from_str(s: &str) -> Result<QualityItem<T>, ::error::ParseError> {
if !s.is_ascii() {
return Err(::error::ParseError::Header);
}
// Set defaults used if parsing fails.
let mut raw_item = s;
let mut quality = 1f32;
let parts: Vec<&str> = s.rsplitn(2, ';').map(|x| x.trim()).collect();
if parts.len() == 2 {
if parts[0].len() < 2 {
return Err(::error::ParseError::Header);
}
let start = &parts[0][0..2];
if start == "q=" || start == "Q=" {
let q_part = &parts[0][2..parts[0].len()];
if q_part.len() > 5 {
return Err(::error::ParseError::Header);
}
match q_part.parse::<f32>() {
Ok(q_value) => {
if 0f32 <= q_value && q_value <= 1f32 {
quality = q_value;
raw_item = parts[1];
} else {
return Err(::error::ParseError::Header);
}
},
Err(_) => return Err(::error::ParseError::Header),
}
}
}
match raw_item.parse::<T>() {
// we already checked above that the quality is within range
Ok(item) => Ok(QualityItem::new(item, from_f32(quality))),
Err(_) => Err(::error::ParseError::Header),
}
}
}
#[inline]
fn from_f32(f: f32) -> Quality {
// this function is only used internally. A check that `f` is within range
// should be done before calling this method. Just in case, this
// debug_assert should catch if we were forgetful
debug_assert!(f >= 0f32 && f <= 1f32, "q value must be between 0.0 and 1.0");
Quality((f * 1000f32) as u16)
}
/// Convenience function to wrap a value in a `QualityItem`
/// Sets `q` to the default 1.0
pub fn qitem<T>(item: T) -> QualityItem<T> {
QualityItem::new(item, Default::default())
}
/// Convenience function to create a `Quality` from a float or integer.
///
/// Implemented for `u16` and `f32`. Panics if value is out of range.
pub fn q<T: IntoQuality>(val: T) -> Quality {
val.into_quality()
}
mod internal {
use super::Quality;
// TryFrom is probably better, but it's not stable. For now, we want to
// keep the functionality of the `q` function, while allowing it to be
// generic over `f32` and `u16`.
//
// `q` would panic before, so keep that behavior. `TryFrom` can be
// introduced later for a non-panicking conversion.
pub trait IntoQuality: Sealed + Sized {
fn into_quality(self) -> Quality;
}
impl IntoQuality for f32 {
fn into_quality(self) -> Quality {
assert!(self >= 0f32 && self <= 1f32, "float must be between 0.0 and 1.0");
super::from_f32(self)
}
}
impl IntoQuality for u16 {
fn into_quality(self) -> Quality {
assert!(self <= 1000, "u16 must be between 0 and 1000");
Quality(self)
}
}
pub trait Sealed {}
impl Sealed for u16 {}
impl Sealed for f32 {}
}
#[cfg(test)]
mod tests {
use super::*;
use super::super::encoding::*;
#[test]
fn test_quality_item_fmt_q_1() {
let x = qitem(Chunked);
assert_eq!(format!("{}", x), "chunked");
}
#[test]
fn test_quality_item_fmt_q_0001() {
let x = QualityItem::new(Chunked, Quality(1));
assert_eq!(format!("{}", x), "chunked; q=0.001");
}
#[test]
fn test_quality_item_fmt_q_05() {
// Custom value
let x = QualityItem{
item: EncodingExt("identity".to_owned()),
quality: Quality(500),
};
assert_eq!(format!("{}", x), "identity; q=0.5");
}
#[test]
fn test_quality_item_fmt_q_0() {
// Custom value
let x = QualityItem{
item: EncodingExt("identity".to_owned()),
quality: Quality(0),
};
assert_eq!(x.to_string(), "identity; q=0");
}
#[test]
fn test_quality_item_from_str1() {
let x: Result<QualityItem<Encoding>, _> = "chunked".parse();
assert_eq!(x.unwrap(), QualityItem{ item: Chunked, quality: Quality(1000), });
}
#[test]
fn test_quality_item_from_str2() {
let x: Result<QualityItem<Encoding>, _> = "chunked; q=1".parse();
assert_eq!(x.unwrap(), QualityItem{ item: Chunked, quality: Quality(1000), });
}
#[test]
fn test_quality_item_from_str3() {
let x: Result<QualityItem<Encoding>, _> = "gzip; q=0.5".parse();
assert_eq!(x.unwrap(), QualityItem{ item: Gzip, quality: Quality(500), });
}
#[test]
fn test_quality_item_from_str4() {
let x: Result<QualityItem<Encoding>, _> = "gzip; q=0.273".parse();
assert_eq!(x.unwrap(), QualityItem{ item: Gzip, quality: Quality(273), });
}
#[test]
fn test_quality_item_from_str5() {
let x: Result<QualityItem<Encoding>, _> = "gzip; q=0.2739999".parse();
assert!(x.is_err());
}
#[test]
fn test_quality_item_from_str6() {
let x: Result<QualityItem<Encoding>, _> = "gzip; q=2".parse();
assert!(x.is_err());
}
#[test]
fn test_quality_item_ordering() {
let x: QualityItem<Encoding> = "gzip; q=0.5".parse().ok().unwrap();
let y: QualityItem<Encoding> = "gzip; q=0.273".parse().ok().unwrap();
let comparision_result: bool = x.gt(&y);
assert!(comparision_result)
}
#[test]
fn test_quality() {
assert_eq!(q(0.5), Quality(500));
}
#[test]
#[should_panic] // FIXME - 32-bit msvc unwinding broken
#[cfg_attr(all(target_arch="x86", target_env="msvc"), ignore)]
fn test_quality_invalid() {
q(-1.0);
}
#[test]
#[should_panic] // FIXME - 32-bit msvc unwinding broken
#[cfg_attr(all(target_arch="x86", target_env="msvc"), ignore)]
fn test_quality_invalid2() {
q(2.0);
}
#[test]
fn test_fuzzing_bugs() {
assert!("99999;".parse::<QualityItem<String>>().is_err());
assert!("\x0d;;;=\u{d6aa}==".parse::<QualityItem<String>>().is_err())
}
}

2
src/httpmessage.rs
View file

@ -26,7 +26,7 @@ pub trait HttpMessage {
#[doc(hidden)]
/// Get a header
fn get<H: Header>(&self) -> Result<H, ParseError> where Self: Sized {
fn get_header<H: Header>(&self) -> Result<H, ParseError> where Self: Sized {
H::parse(self)
}

41
src/httpresponse.rs
View file

@ -230,6 +230,15 @@ pub struct HttpResponseBuilder {
}
impl HttpResponseBuilder {
/// Set HTTP status code of this response.
#[inline]
pub fn status(&mut self, status: StatusCode) -> &mut Self {
if let Some(parts) = parts(&mut self.response, &self.err) {
parts.status = status;
}
self
}
/// Set HTTP version of this response.
///
/// By default response's http version depends on request's version.
@ -761,7 +770,7 @@ mod tests {
use std::str::FromStr;
use time::Duration;
use http::{Method, Uri};
use http::header::{COOKIE, CONTENT_TYPE};
use http::header::{COOKIE, CONTENT_TYPE, HeaderValue};
use body::Binary;
use {header, httpcodes};
@ -776,7 +785,7 @@ mod tests {
fn test_response_cookies() {
let mut headers = HeaderMap::new();
headers.insert(COOKIE,
header::HeaderValue::from_static("cookie1=value1; cookie2=value2"));
HeaderValue::from_static("cookie1=value1; cookie2=value2"));
let req = HttpRequest::new(
Method::GET, Uri::from_str("/").unwrap(), Version::HTTP_11, headers, None);
@ -850,7 +859,7 @@ mod tests {
let resp = HttpResponse::build(StatusCode::OK)
.json(vec!["v1", "v2", "v3"]).unwrap();
let ct = resp.headers().get(CONTENT_TYPE).unwrap();
assert_eq!(ct, header::HeaderValue::from_static("application/json"));
assert_eq!(ct, HeaderValue::from_static("application/json"));
assert_eq!(*resp.body(), Body::from(Bytes::from_static(b"[\"v1\",\"v2\",\"v3\"]")));
}
@ -860,7 +869,7 @@ mod tests {
.header(CONTENT_TYPE, "text/json")
.json(vec!["v1", "v2", "v3"]).unwrap();
let ct = resp.headers().get(CONTENT_TYPE).unwrap();
assert_eq!(ct, header::HeaderValue::from_static("text/json"));
assert_eq!(ct, HeaderValue::from_static("text/json"));
assert_eq!(*resp.body(), Body::from(Bytes::from_static(b"[\"v1\",\"v2\",\"v3\"]")));
}
@ -880,56 +889,56 @@ mod tests {
let resp: HttpResponse = "test".into();
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.headers().get(CONTENT_TYPE).unwrap(),
header::HeaderValue::from_static("text/plain; charset=utf-8"));
HeaderValue::from_static("text/plain; charset=utf-8"));
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.body().binary().unwrap(), &Binary::from("test"));
let resp: HttpResponse = "test".respond_to(req.clone()).ok().unwrap();
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.headers().get(CONTENT_TYPE).unwrap(),
header::HeaderValue::from_static("text/plain; charset=utf-8"));
HeaderValue::from_static("text/plain; charset=utf-8"));
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.body().binary().unwrap(), &Binary::from("test"));
let resp: HttpResponse = b"test".as_ref().into();
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.headers().get(CONTENT_TYPE).unwrap(),
header::HeaderValue::from_static("application/octet-stream"));
HeaderValue::from_static("application/octet-stream"));
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.body().binary().unwrap(), &Binary::from(b"test".as_ref()));
let resp: HttpResponse = b"test".as_ref().respond_to(req.clone()).ok().unwrap();
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.headers().get(CONTENT_TYPE).unwrap(),
header::HeaderValue::from_static("application/octet-stream"));
HeaderValue::from_static("application/octet-stream"));
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.body().binary().unwrap(), &Binary::from(b"test".as_ref()));
let resp: HttpResponse = "test".to_owned().into();
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.headers().get(CONTENT_TYPE).unwrap(),
header::HeaderValue::from_static("text/plain; charset=utf-8"));
HeaderValue::from_static("text/plain; charset=utf-8"));
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.body().binary().unwrap(), &Binary::from("test".to_owned()));
let resp: HttpResponse = "test".to_owned().respond_to(req.clone()).ok().unwrap();
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.headers().get(CONTENT_TYPE).unwrap(),
header::HeaderValue::from_static("text/plain; charset=utf-8"));
HeaderValue::from_static("text/plain; charset=utf-8"));
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.body().binary().unwrap(), &Binary::from("test".to_owned()));
let resp: HttpResponse = (&"test".to_owned()).into();
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.headers().get(CONTENT_TYPE).unwrap(),
header::HeaderValue::from_static("text/plain; charset=utf-8"));
HeaderValue::from_static("text/plain; charset=utf-8"));
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.body().binary().unwrap(), &Binary::from(&"test".to_owned()));
let resp: HttpResponse = (&"test".to_owned()).respond_to(req.clone()).ok().unwrap();
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.headers().get(CONTENT_TYPE).unwrap(),
header::HeaderValue::from_static("text/plain; charset=utf-8"));
HeaderValue::from_static("text/plain; charset=utf-8"));
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.body().binary().unwrap(), &Binary::from(&"test".to_owned()));
@ -937,7 +946,7 @@ mod tests {
let resp: HttpResponse = b.into();
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.headers().get(CONTENT_TYPE).unwrap(),
header::HeaderValue::from_static("application/octet-stream"));
HeaderValue::from_static("application/octet-stream"));
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.body().binary().unwrap(), &Binary::from(Bytes::from_static(b"test")));
@ -945,7 +954,7 @@ mod tests {
let resp: HttpResponse = b.respond_to(req.clone()).ok().unwrap();
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.headers().get(CONTENT_TYPE).unwrap(),
header::HeaderValue::from_static("application/octet-stream"));
HeaderValue::from_static("application/octet-stream"));
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.body().binary().unwrap(), &Binary::from(Bytes::from_static(b"test")));
@ -953,7 +962,7 @@ mod tests {
let resp: HttpResponse = b.into();
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.headers().get(CONTENT_TYPE).unwrap(),
header::HeaderValue::from_static("application/octet-stream"));
HeaderValue::from_static("application/octet-stream"));
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.body().binary().unwrap(), &Binary::from(BytesMut::from("test")));
@ -961,7 +970,7 @@ mod tests {
let resp: HttpResponse = b.respond_to(req.clone()).ok().unwrap();
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.headers().get(CONTENT_TYPE).unwrap(),
header::HeaderValue::from_static("application/octet-stream"));
HeaderValue::from_static("application/octet-stream"));
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.body().binary().unwrap(), &Binary::from(BytesMut::from("test")));
}

1
src/lib.rs
View file

@ -71,6 +71,7 @@ extern crate httparse;
extern crate http_range;
extern crate mime;
extern crate mime_guess;
extern crate language_tags;
extern crate rand;
extern crate url;
extern crate libc;

3
src/server/encoding.rs
View file

@ -16,7 +16,6 @@ use bytes::{Bytes, BytesMut, BufMut};
use header::ContentEncoding;
use body::{Body, Binary};
use error::PayloadError;
use helpers::convert_usize;
use httprequest::HttpInnerMessage;
use httpresponse::HttpResponse;
use payload::{PayloadSender, PayloadWriter, PayloadStatus};
@ -422,7 +421,7 @@ impl ContentEncoder {
}
if req.method == Method::HEAD {
let mut b = BytesMut::new();
convert_usize(bytes.len(), &mut b);
let _ = write!(b, "{}", bytes.len());
resp.headers_mut().insert(
CONTENT_LENGTH, HeaderValue::try_from(b.freeze()).unwrap());
} else {

12
src/test.rs
View file

@ -8,7 +8,7 @@ use std::str::FromStr;
use actix::{Arbiter, Addr, Syn, System, SystemRunner, msgs};
use cookie::Cookie;
use http::{Uri, Method, Version, HeaderMap, HttpTryFrom};
use http::header::{HeaderName, HeaderValue};
use http::header::HeaderName;
use futures::Future;
use tokio_core::net::TcpListener;
use tokio_core::reactor::Core;
@ -17,7 +17,7 @@ use net2::TcpBuilder;
use ws;
use body::Binary;
use error::Error;
use header::Header;
use header::{Header, IntoHeaderValue};
use handler::{Handler, Responder, ReplyItem};
use middleware::Middleware;
use application::{Application, HttpApplication};
@ -341,8 +341,7 @@ impl TestRequest<()> {
/// Create TestRequest and set header
pub fn with_header<K, V>(key: K, value: V) -> TestRequest<()>
where HeaderName: HttpTryFrom<K>,
HeaderValue: HttpTryFrom<V>
where HeaderName: HttpTryFrom<K>, V: IntoHeaderValue,
{
TestRequest::default().header(key, value)
}
@ -394,11 +393,10 @@ impl<S> TestRequest<S> {
/// Set a header
pub fn header<K, V>(mut self, key: K, value: V) -> Self
where HeaderName: HttpTryFrom<K>,
HeaderValue: HttpTryFrom<V>
where HeaderName: HttpTryFrom<K>, V: IntoHeaderValue
{
if let Ok(key) = HeaderName::try_from(key) {
if let Ok(value) = HeaderValue::try_from(value) {
if let Ok(value) = value.try_into() {
self.headers.append(key, value);
return self
}