1use std::convert::TryFrom;
2use std::fmt;
3use std::future::Future;
4use std::time::Duration;
5
6use super::body::Body;
7use super::client::{Client, Pending};
8#[cfg(feature = "multipart")]
9use super::multipart;
10use super::response::Response;
11use crate::config::{RequestConfig, TotalTimeout};
12#[cfg(feature = "multipart")]
13use crate::header::CONTENT_LENGTH;
14#[cfg(any(feature = "multipart", feature = "form", feature = "json"))]
15use crate::header::CONTENT_TYPE;
16use crate::header::{HeaderMap, HeaderName, HeaderValue};
17use crate::{Method, Url};
18use http::{request::Parts, Extensions, Request as HttpRequest, Version};
19#[cfg(any(feature = "query", feature = "form", feature = "json"))]
20use serde::Serialize;
21
22pub struct Request {
24 method: Method,
25 url: Url,
26 headers: HeaderMap,
27 body: Option<Body>,
28 version: Version,
29 extensions: Extensions,
30}
31
32#[must_use = "RequestBuilder does nothing until you 'send' it"]
36pub struct RequestBuilder {
37 client: Client,
38 request: crate::Result<Request>,
39}
40
41impl Request {
42 #[inline]
44 pub fn new(method: Method, url: Url) -> Self {
45 Request {
46 method,
47 url,
48 headers: HeaderMap::new(),
49 body: None,
50 version: Version::default(),
51 extensions: Extensions::new(),
52 }
53 }
54
55 #[inline]
57 pub fn method(&self) -> &Method {
58 &self.method
59 }
60
61 #[inline]
63 pub fn method_mut(&mut self) -> &mut Method {
64 &mut self.method
65 }
66
67 #[inline]
69 pub fn url(&self) -> &Url {
70 &self.url
71 }
72
73 #[inline]
75 pub fn url_mut(&mut self) -> &mut Url {
76 &mut self.url
77 }
78
79 #[inline]
81 pub fn headers(&self) -> &HeaderMap {
82 &self.headers
83 }
84
85 #[inline]
87 pub fn headers_mut(&mut self) -> &mut HeaderMap {
88 &mut self.headers
89 }
90
91 #[inline]
93 pub fn body(&self) -> Option<&Body> {
94 self.body.as_ref()
95 }
96
97 #[inline]
99 pub fn body_mut(&mut self) -> &mut Option<Body> {
100 &mut self.body
101 }
102
103 #[inline]
105 pub(crate) fn extensions(&self) -> &Extensions {
106 &self.extensions
107 }
108
109 #[inline]
111 pub(crate) fn extensions_mut(&mut self) -> &mut Extensions {
112 &mut self.extensions
113 }
114
115 #[inline]
117 pub fn timeout(&self) -> Option<&Duration> {
118 RequestConfig::<TotalTimeout>::get(&self.extensions)
119 }
120
121 #[inline]
123 pub fn timeout_mut(&mut self) -> &mut Option<Duration> {
124 RequestConfig::<TotalTimeout>::get_mut(&mut self.extensions)
125 }
126
127 #[inline]
129 pub fn version(&self) -> Version {
130 self.version
131 }
132
133 #[inline]
135 pub fn version_mut(&mut self) -> &mut Version {
136 &mut self.version
137 }
138
139 pub fn try_clone(&self) -> Option<Request> {
143 let body = match self.body.as_ref() {
144 Some(body) => Some(body.try_clone()?),
145 None => None,
146 };
147 let mut req = Request::new(self.method().clone(), self.url().clone());
148 *req.timeout_mut() = self.timeout().copied();
149 *req.headers_mut() = self.headers().clone();
150 *req.version_mut() = self.version();
151 *req.extensions_mut() = self.extensions().clone();
152 req.body = body;
153 Some(req)
154 }
155
156 pub(super) fn pieces(self) -> (Method, Url, HeaderMap, Option<Body>, Version, Extensions) {
157 (
158 self.method,
159 self.url,
160 self.headers,
161 self.body,
162 self.version,
163 self.extensions,
164 )
165 }
166}
167
168impl RequestBuilder {
169 pub(super) fn new(client: Client, request: crate::Result<Request>) -> RequestBuilder {
170 let mut builder = RequestBuilder { client, request };
171
172 let auth = builder
173 .request
174 .as_mut()
175 .ok()
176 .and_then(|req| extract_authority(&mut req.url));
177
178 if let Some((username, password)) = auth {
179 builder.basic_auth(username, password)
180 } else {
181 builder
182 }
183 }
184
185 pub fn from_parts(client: Client, request: Request) -> RequestBuilder {
187 RequestBuilder {
188 client,
189 request: crate::Result::Ok(request),
190 }
191 }
192
193 pub fn header<K, V>(self, key: K, value: V) -> RequestBuilder
195 where
196 HeaderName: TryFrom<K>,
197 <HeaderName as TryFrom<K>>::Error: Into<http::Error>,
198 HeaderValue: TryFrom<V>,
199 <HeaderValue as TryFrom<V>>::Error: Into<http::Error>,
200 {
201 self.header_sensitive(key, value, false)
202 }
203
204 fn header_sensitive<K, V>(mut self, key: K, value: V, sensitive: bool) -> RequestBuilder
206 where
207 HeaderName: TryFrom<K>,
208 <HeaderName as TryFrom<K>>::Error: Into<http::Error>,
209 HeaderValue: TryFrom<V>,
210 <HeaderValue as TryFrom<V>>::Error: Into<http::Error>,
211 {
212 let mut error = None;
213 if let Ok(ref mut req) = self.request {
214 match <HeaderName as TryFrom<K>>::try_from(key) {
215 Ok(key) => match <HeaderValue as TryFrom<V>>::try_from(value) {
216 Ok(mut value) => {
217 if sensitive {
221 value.set_sensitive(true);
222 }
223 req.headers_mut().append(key, value);
224 }
225 Err(e) => error = Some(crate::error::builder(e.into())),
226 },
227 Err(e) => error = Some(crate::error::builder(e.into())),
228 };
229 }
230 if let Some(err) = error {
231 self.request = Err(err);
232 }
233 self
234 }
235
236 pub fn headers(mut self, headers: crate::header::HeaderMap) -> RequestBuilder {
240 if let Ok(ref mut req) = self.request {
241 crate::util::replace_headers(req.headers_mut(), headers);
242 }
243 self
244 }
245
246 pub fn basic_auth<U, P>(self, username: U, password: Option<P>) -> RequestBuilder
261 where
262 U: fmt::Display,
263 P: fmt::Display,
264 {
265 let header_value = crate::util::basic_auth(username, password);
266 self.header_sensitive(crate::header::AUTHORIZATION, header_value, true)
267 }
268
269 pub fn bearer_auth<T>(self, token: T) -> RequestBuilder
271 where
272 T: fmt::Display,
273 {
274 let header_value = format!("Bearer {token}");
275 self.header_sensitive(crate::header::AUTHORIZATION, header_value, true)
276 }
277
278 pub fn body<T: Into<Body>>(mut self, body: T) -> RequestBuilder {
280 if let Ok(ref mut req) = self.request {
281 *req.body_mut() = Some(body.into());
282 }
283 self
284 }
285
286 pub fn timeout(mut self, timeout: Duration) -> RequestBuilder {
292 if let Ok(ref mut req) = self.request {
293 *req.timeout_mut() = Some(timeout);
294 }
295 self
296 }
297
298 #[cfg(feature = "multipart")]
321 #[cfg_attr(docsrs, doc(cfg(feature = "multipart")))]
322 pub fn multipart(self, mut multipart: multipart::Form) -> RequestBuilder {
323 let mut builder = self.header(
324 CONTENT_TYPE,
325 format!("multipart/form-data; boundary={}", multipart.boundary()).as_str(),
326 );
327
328 builder = match multipart.compute_length() {
329 Some(length) => builder.header(CONTENT_LENGTH, length),
330 None => builder,
331 };
332
333 if let Ok(ref mut req) = builder.request {
334 *req.body_mut() = Some(multipart.stream())
335 }
336 builder
337 }
338
339 #[cfg(feature = "query")]
362 #[cfg_attr(docsrs, doc(cfg(feature = "query")))]
363 pub fn query<T: Serialize + ?Sized>(mut self, query: &T) -> RequestBuilder {
364 let mut error = None;
365 if let Ok(ref mut req) = self.request {
366 let url = req.url_mut();
367 let mut pairs = url.query_pairs_mut();
368 let serializer = serde_urlencoded::Serializer::new(&mut pairs);
369
370 if let Err(err) = query.serialize(serializer) {
371 error = Some(crate::error::builder(err));
372 }
373 }
374 if let Ok(ref mut req) = self.request {
375 if let Some("") = req.url().query() {
376 req.url_mut().set_query(None);
377 }
378 }
379 if let Some(err) = error {
380 self.request = Err(err);
381 }
382 self
383 }
384
385 pub fn version(mut self, version: Version) -> RequestBuilder {
387 if let Ok(ref mut req) = self.request {
388 req.version = version;
389 }
390 self
391 }
392
393 #[cfg(feature = "form")]
425 #[cfg_attr(docsrs, doc(cfg(feature = "form")))]
426 pub fn form<T: Serialize + ?Sized>(mut self, form: &T) -> RequestBuilder {
427 let mut error = None;
428 if let Ok(ref mut req) = self.request {
429 match serde_urlencoded::to_string(form) {
430 Ok(body) => {
431 req.headers_mut()
432 .entry(CONTENT_TYPE)
433 .or_insert(HeaderValue::from_static(
434 "application/x-www-form-urlencoded",
435 ));
436 *req.body_mut() = Some(body.into());
437 }
438 Err(err) => error = Some(crate::error::builder(err)),
439 }
440 }
441 if let Some(err) = error {
442 self.request = Err(err);
443 }
444 self
445 }
446
447 #[cfg(feature = "json")]
462 #[cfg_attr(docsrs, doc(cfg(feature = "json")))]
463 pub fn json<T: Serialize + ?Sized>(mut self, json: &T) -> RequestBuilder {
464 let mut error = None;
465 if let Ok(ref mut req) = self.request {
466 match serde_json::to_vec(json) {
467 Ok(body) => {
468 req.headers_mut()
469 .entry(CONTENT_TYPE)
470 .or_insert_with(|| HeaderValue::from_static("application/json"));
471 *req.body_mut() = Some(body.into());
472 }
473 Err(err) => error = Some(crate::error::builder(err)),
474 }
475 }
476 if let Some(err) = error {
477 self.request = Err(err);
478 }
479 self
480 }
481
482 pub fn build(self) -> crate::Result<Request> {
485 self.request
486 }
487
488 pub fn build_split(self) -> (Client, crate::Result<Request>) {
494 (self.client, self.request)
495 }
496
497 pub fn send(self) -> impl Future<Output = Result<Response, crate::Error>> {
519 match self.request {
520 Ok(req) => self.client.execute_request(req),
521 Err(err) => Pending::new_err(err),
522 }
523 }
524
525 pub fn try_clone(&self) -> Option<RequestBuilder> {
545 self.request
546 .as_ref()
547 .ok()
548 .and_then(|req| req.try_clone())
549 .map(|req| RequestBuilder {
550 client: self.client.clone(),
551 request: Ok(req),
552 })
553 }
554}
555
556impl fmt::Debug for Request {
557 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
558 fmt_request_fields(&mut f.debug_struct("Request"), self).finish()
559 }
560}
561
562impl fmt::Debug for RequestBuilder {
563 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
564 let mut builder = f.debug_struct("RequestBuilder");
565 match self.request {
566 Ok(ref req) => fmt_request_fields(&mut builder, req).finish(),
567 Err(ref err) => builder.field("error", err).finish(),
568 }
569 }
570}
571
572fn fmt_request_fields<'a, 'b>(
573 f: &'a mut fmt::DebugStruct<'a, 'b>,
574 req: &Request,
575) -> &'a mut fmt::DebugStruct<'a, 'b> {
576 f.field("method", &req.method)
577 .field("url", &req.url)
578 .field("headers", &req.headers)
579}
580
581pub(crate) fn extract_authority(url: &mut Url) -> Option<(String, Option<String>)> {
584 use percent_encoding::percent_decode;
585
586 if url.has_authority() {
587 let username: String = percent_decode(url.username().as_bytes())
588 .decode_utf8()
589 .ok()?
590 .into();
591 let password = url.password().and_then(|pass| {
592 percent_decode(pass.as_bytes())
593 .decode_utf8()
594 .ok()
595 .map(String::from)
596 });
597 if !username.is_empty() || password.is_some() {
598 url.set_username("")
599 .expect("has_authority means set_username shouldn't fail");
600 url.set_password(None)
601 .expect("has_authority means set_password shouldn't fail");
602 return Some((username, password));
603 }
604 }
605
606 None
607}
608
609impl<T> TryFrom<HttpRequest<T>> for Request
610where
611 T: Into<Body>,
612{
613 type Error = crate::Error;
614
615 fn try_from(req: HttpRequest<T>) -> crate::Result<Self> {
616 let (parts, body) = req.into_parts();
617 let Parts {
618 method,
619 uri,
620 headers,
621 version,
622 extensions,
623 ..
624 } = parts;
625 let url = Url::parse(&uri.to_string()).map_err(crate::error::builder)?;
626 Ok(Request {
627 method,
628 url,
629 headers,
630 body: Some(body.into()),
631 version,
632 extensions,
633 })
634 }
635}
636
637impl TryFrom<Request> for HttpRequest<Body> {
638 type Error = crate::Error;
639
640 fn try_from(req: Request) -> crate::Result<Self> {
641 let Request {
642 method,
643 url,
644 headers,
645 body,
646 version,
647 extensions,
648 ..
649 } = req;
650
651 let mut req = HttpRequest::builder()
652 .version(version)
653 .method(method)
654 .uri(url.as_str())
655 .body(body.unwrap_or_else(Body::empty))
656 .map_err(crate::error::builder)?;
657
658 *req.headers_mut() = headers;
659 *req.extensions_mut() = extensions;
660 Ok(req)
661 }
662}
663
664#[cfg(test)]
665mod tests {
666
667 use super::*;
668 #[cfg(feature = "query")]
669 use std::collections::BTreeMap;
670
671 #[test]
672 #[cfg(feature = "query")]
673 fn add_query_append() {
674 let client = Client::new();
675 let some_url = "https://google.com/";
676 let r = client.get(some_url);
677
678 let r = r.query(&[("foo", "bar")]);
679 let r = r.query(&[("qux", 3)]);
680
681 let req = r.build().expect("request is valid");
682 assert_eq!(req.url().query(), Some("foo=bar&qux=3"));
683 }
684
685 #[test]
686 #[cfg(feature = "query")]
687 fn add_query_append_same() {
688 let client = Client::new();
689 let some_url = "https://google.com/";
690 let r = client.get(some_url);
691
692 let r = r.query(&[("foo", "a"), ("foo", "b")]);
693
694 let req = r.build().expect("request is valid");
695 assert_eq!(req.url().query(), Some("foo=a&foo=b"));
696 }
697
698 #[test]
699 #[cfg(feature = "query")]
700 fn add_query_struct() {
701 #[derive(Serialize)]
702 struct Params {
703 foo: String,
704 qux: i32,
705 }
706
707 let client = Client::new();
708 let some_url = "https://google.com/";
709 let r = client.get(some_url);
710
711 let params = Params {
712 foo: "bar".into(),
713 qux: 3,
714 };
715
716 let r = r.query(¶ms);
717
718 let req = r.build().expect("request is valid");
719 assert_eq!(req.url().query(), Some("foo=bar&qux=3"));
720 }
721
722 #[test]
723 #[cfg(feature = "query")]
724 fn add_query_map() {
725 let mut params = BTreeMap::new();
726 params.insert("foo", "bar");
727 params.insert("qux", "three");
728
729 let client = Client::new();
730 let some_url = "https://google.com/";
731 let r = client.get(some_url);
732
733 let r = r.query(¶ms);
734
735 let req = r.build().expect("request is valid");
736 assert_eq!(req.url().query(), Some("foo=bar&qux=three"));
737 }
738
739 #[test]
740 fn test_replace_headers() {
741 use http::HeaderMap;
742
743 let mut headers = HeaderMap::new();
744 headers.insert("foo", "bar".parse().unwrap());
745 headers.append("foo", "baz".parse().unwrap());
746
747 let client = Client::new();
748 let req = client
749 .get("https://hyper.rs")
750 .header("im-a", "keeper")
751 .header("foo", "pop me")
752 .headers(headers)
753 .build()
754 .expect("request build");
755
756 assert_eq!(req.headers()["im-a"], "keeper");
757
758 let foo = req.headers().get_all("foo").iter().collect::<Vec<_>>();
759 assert_eq!(foo.len(), 2);
760 assert_eq!(foo[0], "bar");
761 assert_eq!(foo[1], "baz");
762 }
763
764 #[test]
765 #[cfg(feature = "query")]
766 fn normalize_empty_query() {
767 let client = Client::new();
768 let some_url = "https://google.com/";
769 let empty_query: &[(&str, &str)] = &[];
770
771 let req = client
772 .get(some_url)
773 .query(empty_query)
774 .build()
775 .expect("request build");
776
777 assert_eq!(req.url().query(), None);
778 assert_eq!(req.url().as_str(), "https://google.com/");
779 }
780
781 #[test]
782 fn try_clone_reusable() {
783 let client = Client::new();
784 let builder = client
785 .post("http://httpbin.org/post")
786 .header("foo", "bar")
787 .body("from a &str!");
788 let req = builder
789 .try_clone()
790 .expect("clone successful")
791 .build()
792 .expect("request is valid");
793 assert_eq!(req.url().as_str(), "http://httpbin.org/post");
794 assert_eq!(req.method(), Method::POST);
795 assert_eq!(req.headers()["foo"], "bar");
796 }
797
798 #[test]
799 fn try_clone_no_body() {
800 let client = Client::new();
801 let builder = client.get("http://httpbin.org/get");
802 let req = builder
803 .try_clone()
804 .expect("clone successful")
805 .build()
806 .expect("request is valid");
807 assert_eq!(req.url().as_str(), "http://httpbin.org/get");
808 assert_eq!(req.method(), Method::GET);
809 assert!(req.body().is_none());
810 }
811
812 #[test]
813 #[cfg(feature = "stream")]
814 fn try_clone_stream() {
815 let chunks: Vec<Result<_, ::std::io::Error>> = vec![Ok("hello"), Ok(" "), Ok("world")];
816 let stream = futures_util::stream::iter(chunks);
817 let client = Client::new();
818 let builder = client
819 .get("http://httpbin.org/get")
820 .body(super::Body::wrap_stream(stream));
821 let clone = builder.try_clone();
822 assert!(clone.is_none());
823 }
824
825 #[test]
826 fn convert_url_authority_into_basic_auth() {
827 let client = Client::new();
828 let some_url = "https://Aladdin:open sesame@localhost/";
829
830 let req = client.get(some_url).build().expect("request build");
831
832 assert_eq!(req.url().as_str(), "https://localhost/");
833 assert_eq!(
834 req.headers()["authorization"],
835 "Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ=="
836 );
837 }
838
839 #[test]
840 fn test_basic_auth_sensitive_header() {
841 let client = Client::new();
842 let some_url = "https://localhost/";
843
844 let req = client
845 .get(some_url)
846 .basic_auth("Aladdin", Some("open sesame"))
847 .build()
848 .expect("request build");
849
850 assert_eq!(req.url().as_str(), "https://localhost/");
851 assert_eq!(
852 req.headers()["authorization"],
853 "Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ=="
854 );
855 assert!(req.headers()["authorization"].is_sensitive());
856 }
857
858 #[test]
859 fn test_bearer_auth_sensitive_header() {
860 let client = Client::new();
861 let some_url = "https://localhost/";
862
863 let req = client
864 .get(some_url)
865 .bearer_auth("Hold my bear")
866 .build()
867 .expect("request build");
868
869 assert_eq!(req.url().as_str(), "https://localhost/");
870 assert_eq!(req.headers()["authorization"], "Bearer Hold my bear");
871 assert!(req.headers()["authorization"].is_sensitive());
872 }
873
874 #[test]
875 fn test_explicit_sensitive_header() {
876 let client = Client::new();
877 let some_url = "https://localhost/";
878
879 let mut header = http::HeaderValue::from_static("in plain sight");
880 header.set_sensitive(true);
881
882 let req = client
883 .get(some_url)
884 .header("hiding", header)
885 .build()
886 .expect("request build");
887
888 assert_eq!(req.url().as_str(), "https://localhost/");
889 assert_eq!(req.headers()["hiding"], "in plain sight");
890 assert!(req.headers()["hiding"].is_sensitive());
891 }
892
893 #[test]
894 fn convert_from_http_request() {
895 let http_request = HttpRequest::builder()
896 .method("GET")
897 .uri("http://localhost/")
898 .header("User-Agent", "my-awesome-agent/1.0")
899 .body("test test test")
900 .unwrap();
901 let req: Request = Request::try_from(http_request).unwrap();
902 assert!(req.body().is_some());
903 let test_data = b"test test test";
904 assert_eq!(req.body().unwrap().as_bytes(), Some(&test_data[..]));
905 let headers = req.headers();
906 assert_eq!(headers.get("User-Agent").unwrap(), "my-awesome-agent/1.0");
907 assert_eq!(req.method(), Method::GET);
908 assert_eq!(req.url().as_str(), "http://localhost/");
909 }
910
911 #[test]
912 fn set_http_request_version() {
913 let http_request = HttpRequest::builder()
914 .method("GET")
915 .uri("http://localhost/")
916 .header("User-Agent", "my-awesome-agent/1.0")
917 .version(Version::HTTP_11)
918 .body("test test test")
919 .unwrap();
920 let req: Request = Request::try_from(http_request).unwrap();
921 assert!(req.body().is_some());
922 let test_data = b"test test test";
923 assert_eq!(req.body().unwrap().as_bytes(), Some(&test_data[..]));
924 let headers = req.headers();
925 assert_eq!(headers.get("User-Agent").unwrap(), "my-awesome-agent/1.0");
926 assert_eq!(req.method(), Method::GET);
927 assert_eq!(req.url().as_str(), "http://localhost/");
928 assert_eq!(req.version(), Version::HTTP_11);
929 }
930
931 #[test]
932 fn builder_split_reassemble() {
933 let builder = {
934 let client = Client::new();
935 client.get("http://example.com")
936 };
937 let (client, inner) = builder.build_split();
938 let request = inner.unwrap();
939 let builder = RequestBuilder::from_parts(client, request);
940 builder.build().unwrap();
941 }
942
943 }