411 lines
11 KiB
Rust
411 lines
11 KiB
Rust
use std::fmt;
|
|
|
|
use serde::Serialize;
|
|
use serde_json;
|
|
use serde_urlencoded;
|
|
|
|
use super::body::{self, Body};
|
|
use super::client::{Client, Pending};
|
|
use header::{ContentType, Headers};
|
|
use {Method, Url};
|
|
|
|
/// A request which can be executed with `Client::execute()`.
|
|
pub struct Request {
|
|
method: Method,
|
|
url: Url,
|
|
headers: Headers,
|
|
body: Option<Body>,
|
|
}
|
|
|
|
/// A builder to construct the properties of a `Request`.
|
|
pub struct RequestBuilder {
|
|
client: Client,
|
|
request: Option<Request>,
|
|
}
|
|
|
|
impl Request {
|
|
/// Constructs a new request.
|
|
#[inline]
|
|
pub fn new(method: Method, url: Url) -> Self {
|
|
Request {
|
|
method,
|
|
url,
|
|
headers: Headers::new(),
|
|
body: None,
|
|
}
|
|
}
|
|
|
|
/// Get the method.
|
|
#[inline]
|
|
pub fn method(&self) -> &Method {
|
|
&self.method
|
|
}
|
|
|
|
/// Get a mutable reference to the method.
|
|
#[inline]
|
|
pub fn method_mut(&mut self) -> &mut Method {
|
|
&mut self.method
|
|
}
|
|
|
|
/// Get the url.
|
|
#[inline]
|
|
pub fn url(&self) -> &Url {
|
|
&self.url
|
|
}
|
|
|
|
/// Get a mutable reference to the url.
|
|
#[inline]
|
|
pub fn url_mut(&mut self) -> &mut Url {
|
|
&mut self.url
|
|
}
|
|
|
|
/// Get the headers.
|
|
#[inline]
|
|
pub fn headers(&self) -> &Headers {
|
|
&self.headers
|
|
}
|
|
|
|
/// Get a mutable reference to the headers.
|
|
#[inline]
|
|
pub fn headers_mut(&mut self) -> &mut Headers {
|
|
&mut self.headers
|
|
}
|
|
|
|
/// Get the body.
|
|
#[inline]
|
|
pub fn body(&self) -> Option<&Body> {
|
|
self.body.as_ref()
|
|
}
|
|
|
|
/// Get a mutable reference to the body.
|
|
#[inline]
|
|
pub fn body_mut(&mut self) -> &mut Option<Body> {
|
|
&mut self.body
|
|
}
|
|
}
|
|
|
|
impl RequestBuilder {
|
|
/// Add a `Header` to this Request.
|
|
pub fn header<H>(&mut self, header: H) -> &mut RequestBuilder
|
|
where
|
|
H: ::header::Header,
|
|
{
|
|
self.request_mut().headers.set(header);
|
|
self
|
|
}
|
|
/// Add a set of Headers to the existing ones on this Request.
|
|
///
|
|
/// The headers will be merged in to any already set.
|
|
pub fn headers(&mut self, headers: ::header::Headers) -> &mut RequestBuilder {
|
|
self.request_mut().headers.extend(headers.iter());
|
|
self
|
|
}
|
|
|
|
/// Enable HTTP basic authentication.
|
|
pub fn basic_auth<U, P>(&mut self, username: U, password: Option<P>) -> &mut RequestBuilder
|
|
where
|
|
U: Into<String>,
|
|
P: Into<String>,
|
|
{
|
|
self.header(::header::Authorization(::header::Basic {
|
|
username: username.into(),
|
|
password: password.map(|p| p.into()),
|
|
}))
|
|
}
|
|
|
|
/// Set the request body.
|
|
pub fn body<T: Into<Body>>(&mut self, body: T) -> &mut RequestBuilder {
|
|
self.request_mut().body = Some(body.into());
|
|
self
|
|
}
|
|
|
|
/// Send a form body.
|
|
pub fn form<T: Serialize>(&mut self, form: &T) -> ::Result<&mut RequestBuilder> {
|
|
{
|
|
// check request_mut() before running serde
|
|
let mut req = self.request_mut();
|
|
let body = try_!(serde_urlencoded::to_string(form));
|
|
req.headers.set(ContentType::form_url_encoded());
|
|
req.body = Some(body::reusable(body.into()));
|
|
}
|
|
Ok(self)
|
|
}
|
|
|
|
/// Send a JSON body.
|
|
///
|
|
/// # Errors
|
|
///
|
|
/// Serialization can fail if `T`'s implementation of `Serialize` decides to
|
|
/// fail, or if `T` contains a map with non-string keys.
|
|
pub fn json<T: Serialize>(&mut self, json: &T) -> ::Result<&mut RequestBuilder> {
|
|
{
|
|
// check request_mut() before running serde
|
|
let mut req = self.request_mut();
|
|
let body = try_!(serde_json::to_vec(json));
|
|
req.headers.set(ContentType::json());
|
|
req.body = Some(body::reusable(body.into()));
|
|
}
|
|
Ok(self)
|
|
}
|
|
|
|
/// Build a `Request`, which can be inspected, modified and executed with
|
|
/// `Client::execute()`.
|
|
///
|
|
/// # Panics
|
|
///
|
|
/// This method consumes builder internal state. It panics on an attempt to
|
|
/// reuse already consumed builder.
|
|
pub fn build(&mut self) -> Request {
|
|
self.request
|
|
.take()
|
|
.expect("RequestBuilder cannot be reused after builder a Request")
|
|
}
|
|
|
|
/// Constructs the Request and sends it the target URL, returning a Response.
|
|
///
|
|
/// # Errors
|
|
///
|
|
/// This method fails if there was an error while sending request,
|
|
/// redirect loop was detected or redirect limit was exhausted.
|
|
pub fn send(&mut self) -> Pending {
|
|
let request = self.build();
|
|
self.client.execute(request)
|
|
}
|
|
|
|
// private
|
|
|
|
fn request_mut(&mut self) -> &mut Request {
|
|
self.request
|
|
.as_mut()
|
|
.expect("RequestBuilder cannot be reused after builder a Request")
|
|
}
|
|
}
|
|
|
|
impl fmt::Debug for Request {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
fmt_request_fields(&mut f.debug_struct("Request"), self)
|
|
.finish()
|
|
}
|
|
}
|
|
|
|
impl fmt::Debug for RequestBuilder {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
if let Some(ref req) = self.request {
|
|
fmt_request_fields(&mut f.debug_struct("RequestBuilder"), req)
|
|
.finish()
|
|
} else {
|
|
f.debug_tuple("RequestBuilder")
|
|
.field(&"Consumed")
|
|
.finish()
|
|
}
|
|
}
|
|
}
|
|
|
|
fn fmt_request_fields<'a, 'b>(f: &'a mut fmt::DebugStruct<'a, 'b>, req: &Request) -> &'a mut fmt::DebugStruct<'a, 'b> {
|
|
f.field("method", &req.method)
|
|
.field("url", &req.url)
|
|
.field("headers", &req.headers)
|
|
}
|
|
|
|
// pub(crate)
|
|
|
|
#[inline]
|
|
pub fn builder(client: Client, req: Request) -> RequestBuilder {
|
|
RequestBuilder {
|
|
client: client,
|
|
request: Some(req),
|
|
}
|
|
}
|
|
|
|
#[inline]
|
|
pub fn pieces(req: Request) -> (Method, Url, Headers, Option<Body>) {
|
|
(req.method, req.url, req.headers, req.body)
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
/*
|
|
use {body, Method};
|
|
use super::Client;
|
|
use header::{Host, Headers, ContentType};
|
|
use std::collections::HashMap;
|
|
use serde_urlencoded;
|
|
use serde_json;
|
|
|
|
#[test]
|
|
fn basic_get_request() {
|
|
let client = Client::new().unwrap();
|
|
let some_url = "https://google.com/";
|
|
let r = client.get(some_url).unwrap().build();
|
|
|
|
assert_eq!(r.method, Method::Get);
|
|
assert_eq!(r.url.as_str(), some_url);
|
|
}
|
|
|
|
#[test]
|
|
fn basic_head_request() {
|
|
let client = Client::new().unwrap();
|
|
let some_url = "https://google.com/";
|
|
let r = client.head(some_url).unwrap().build();
|
|
|
|
assert_eq!(r.method, Method::Head);
|
|
assert_eq!(r.url.as_str(), some_url);
|
|
}
|
|
|
|
#[test]
|
|
fn basic_post_request() {
|
|
let client = Client::new().unwrap();
|
|
let some_url = "https://google.com/";
|
|
let r = client.post(some_url).unwrap().build();
|
|
|
|
assert_eq!(r.method, Method::Post);
|
|
assert_eq!(r.url.as_str(), some_url);
|
|
}
|
|
|
|
#[test]
|
|
fn basic_put_request() {
|
|
let client = Client::new().unwrap();
|
|
let some_url = "https://google.com/";
|
|
let r = client.put(some_url).unwrap().build();
|
|
|
|
assert_eq!(r.method, Method::Put);
|
|
assert_eq!(r.url.as_str(), some_url);
|
|
}
|
|
|
|
#[test]
|
|
fn basic_patch_request() {
|
|
let client = Client::new().unwrap();
|
|
let some_url = "https://google.com/";
|
|
let r = client.patch(some_url).unwrap().build();
|
|
|
|
assert_eq!(r.method, Method::Patch);
|
|
assert_eq!(r.url.as_str(), some_url);
|
|
}
|
|
|
|
#[test]
|
|
fn basic_delete_request() {
|
|
let client = Client::new().unwrap();
|
|
let some_url = "https://google.com/";
|
|
let r = client.delete(some_url).unwrap().build();
|
|
|
|
assert_eq!(r.method, Method::Delete);
|
|
assert_eq!(r.url.as_str(), some_url);
|
|
}
|
|
|
|
#[test]
|
|
fn add_header() {
|
|
let client = Client::new().unwrap();
|
|
let some_url = "https://google.com/";
|
|
let mut r = client.post(some_url).unwrap();
|
|
|
|
let header = Host {
|
|
hostname: "google.com".to_string(),
|
|
port: None,
|
|
};
|
|
|
|
// Add a copy of the header to the request builder
|
|
let r = r.header(header.clone()).build();
|
|
|
|
// then check it was actually added
|
|
assert_eq!(r.headers.get::<Host>(), Some(&header));
|
|
}
|
|
|
|
#[test]
|
|
fn add_headers() {
|
|
let client = Client::new().unwrap();
|
|
let some_url = "https://google.com/";
|
|
let mut r = client.post(some_url).unwrap();
|
|
|
|
let header = Host {
|
|
hostname: "google.com".to_string(),
|
|
port: None,
|
|
};
|
|
|
|
let mut headers = Headers::new();
|
|
headers.set(header);
|
|
|
|
// Add a copy of the headers to the request builder
|
|
let r = r.headers(headers.clone()).build();
|
|
|
|
// then make sure they were added correctly
|
|
assert_eq!(r.headers, headers);
|
|
}
|
|
|
|
#[test]
|
|
fn add_body() {
|
|
let client = Client::new().unwrap();
|
|
let some_url = "https://google.com/";
|
|
let mut r = client.post(some_url).unwrap();
|
|
|
|
let body = "Some interesting content";
|
|
|
|
let r = r.body(body).build();
|
|
|
|
let buf = body::read_to_string(r.body.unwrap()).unwrap();
|
|
|
|
assert_eq!(buf, body);
|
|
}
|
|
|
|
#[test]
|
|
fn add_form() {
|
|
let client = Client::new().unwrap();
|
|
let some_url = "https://google.com/";
|
|
let mut r = client.post(some_url).unwrap();
|
|
|
|
let mut form_data = HashMap::new();
|
|
form_data.insert("foo", "bar");
|
|
|
|
let r = r.form(&form_data).unwrap().build();
|
|
|
|
// Make sure the content type was set
|
|
assert_eq!(r.headers.get::<ContentType>(),
|
|
Some(&ContentType::form_url_encoded()));
|
|
|
|
let buf = body::read_to_string(r.body.unwrap()).unwrap();
|
|
|
|
let body_should_be = serde_urlencoded::to_string(&form_data).unwrap();
|
|
assert_eq!(buf, body_should_be);
|
|
}
|
|
|
|
#[test]
|
|
fn add_json() {
|
|
let client = Client::new().unwrap();
|
|
let some_url = "https://google.com/";
|
|
let mut r = client.post(some_url).unwrap();
|
|
|
|
let mut json_data = HashMap::new();
|
|
json_data.insert("foo", "bar");
|
|
|
|
let r = r.json(&json_data).unwrap().build();
|
|
|
|
// Make sure the content type was set
|
|
assert_eq!(r.headers.get::<ContentType>(), Some(&ContentType::json()));
|
|
|
|
let buf = body::read_to_string(r.body.unwrap()).unwrap();
|
|
|
|
let body_should_be = serde_json::to_string(&json_data).unwrap();
|
|
assert_eq!(buf, body_should_be);
|
|
}
|
|
|
|
#[test]
|
|
fn add_json_fail() {
|
|
use serde::{Serialize, Serializer};
|
|
use serde::ser::Error;
|
|
struct MyStruct;
|
|
impl Serialize for MyStruct {
|
|
fn serialize<S>(&self, _serializer: S) -> Result<S::Ok, S::Error>
|
|
where S: Serializer
|
|
{
|
|
Err(S::Error::custom("nope"))
|
|
}
|
|
}
|
|
|
|
let client = Client::new().unwrap();
|
|
let some_url = "https://google.com/";
|
|
let mut r = client.post(some_url).unwrap();
|
|
let json_data = MyStruct{};
|
|
assert!(r.json(&json_data).unwrap_err().is_serialization());
|
|
}
|
|
*/
|
|
}
|