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use mime::Mime; use crate::header::{qitem, QualityItem}; use crate::http::header; 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_http; /// extern crate mime; /// use actix_http::Response; /// use actix_http::http::header::{Accept, qitem}; /// /// # fn main() { /// let mut builder = Response::Ok(); /// /// builder.set( /// Accept(vec![ /// qitem(mime::TEXT_HTML), /// ]) /// ); /// # } /// ``` /// /// ```rust /// # extern crate actix_http; /// extern crate mime; /// use actix_http::Response; /// use actix_http::http::header::{Accept, qitem}; /// /// # fn main() { /// let mut builder = Response::Ok(); /// /// builder.set( /// Accept(vec![ /// qitem(mime::APPLICATION_JSON), /// ]) /// ); /// # } /// ``` /// /// ```rust /// # extern crate actix_http; /// extern crate mime; /// use actix_http::Response; /// use actix_http::http::header::{Accept, QualityItem, q, qitem}; /// /// # fn main() { /// let mut builder = Response::Ok(); /// /// 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, header::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(mime::TEXT_PLAIN, q(500)), qitem(mime::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(mime::TEXT_PLAIN_UTF_8), ]))); test_header!( test4, vec![b"text/plain; charset=utf-8; q=0.5"], Some(Accept(vec![ QualityItem::new(mime::TEXT_PLAIN_UTF_8, q(500)), ]))); #[test] fn test_fuzzing1() { use crate::test::TestRequest; let req = TestRequest::with_header(crate::header::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)]) } }