mirror of
https://github.com/actix/actix-extras.git
synced 2024-11-28 09:42:40 +01:00
1366 lines
40 KiB
Rust
1366 lines
40 KiB
Rust
//! Http response
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use std::cell::RefCell;
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use std::collections::VecDeque;
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use std::io::Write;
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use std::{fmt, mem, str};
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use bytes::{BufMut, Bytes, BytesMut};
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use cookie::{Cookie, CookieJar};
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use futures::Stream;
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use http::header::{self, HeaderName, HeaderValue};
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use http::{Error as HttpError, HeaderMap, HttpTryFrom, StatusCode, Version};
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use serde::Serialize;
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use serde_json;
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use body::Body;
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use client::ClientResponse;
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use error::Error;
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use handler::Responder;
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use header::{ContentEncoding, Header, IntoHeaderValue};
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use httpmessage::HttpMessage;
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use httprequest::HttpRequest;
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/// max write buffer size 64k
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pub(crate) const MAX_WRITE_BUFFER_SIZE: usize = 65_536;
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/// Represents various types of connection
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#[derive(Copy, Clone, PartialEq, Debug)]
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pub enum ConnectionType {
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/// Close connection after response
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Close,
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/// Keep connection alive after response
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KeepAlive,
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/// Connection is upgraded to different type
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Upgrade,
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}
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/// An HTTP Response
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pub struct HttpResponse(Box<InnerHttpResponse>, &'static HttpResponsePool);
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impl HttpResponse {
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#[inline]
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fn get_ref(&self) -> &InnerHttpResponse {
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self.0.as_ref()
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}
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#[inline]
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fn get_mut(&mut self) -> &mut InnerHttpResponse {
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self.0.as_mut()
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}
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/// Create http response builder with specific status.
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#[inline]
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pub fn build(status: StatusCode) -> HttpResponseBuilder {
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HttpResponsePool::get(status)
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}
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/// Create http response builder
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#[inline]
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pub fn build_from<T: Into<HttpResponseBuilder>>(source: T) -> HttpResponseBuilder {
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source.into()
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}
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/// Constructs a response
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#[inline]
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pub fn new(status: StatusCode) -> HttpResponse {
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HttpResponsePool::with_body(status, Body::Empty)
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}
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/// Constructs a response with body
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#[inline]
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pub fn with_body<B: Into<Body>>(status: StatusCode, body: B) -> HttpResponse {
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HttpResponsePool::with_body(status, body.into())
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}
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/// Constructs an error response
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#[inline]
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pub fn from_error(error: Error) -> HttpResponse {
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let mut resp = error.as_response_error().error_response();
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resp.get_mut().error = Some(error);
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resp
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}
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/// Convert `HttpResponse` to a `HttpResponseBuilder`
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#[inline]
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pub fn into_builder(self) -> HttpResponseBuilder {
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// If this response has cookies, load them into a jar
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let mut jar: Option<CookieJar> = None;
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for c in self.cookies() {
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if let Some(ref mut j) = jar {
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j.add_original(c.into_owned());
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} else {
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let mut j = CookieJar::new();
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j.add_original(c.into_owned());
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jar = Some(j);
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}
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}
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HttpResponseBuilder {
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pool: self.1,
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response: Some(self.0),
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err: None,
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cookies: jar,
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}
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}
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/// The source `error` for this response
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#[inline]
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pub fn error(&self) -> Option<&Error> {
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self.get_ref().error.as_ref()
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}
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/// Get the HTTP version of this response
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#[inline]
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pub fn version(&self) -> Option<Version> {
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self.get_ref().version
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}
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/// Get the headers from the response
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#[inline]
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pub fn headers(&self) -> &HeaderMap {
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&self.get_ref().headers
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}
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/// Get a mutable reference to the headers
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#[inline]
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pub fn headers_mut(&mut self) -> &mut HeaderMap {
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&mut self.get_mut().headers
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}
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/// Get an iterator for the cookies set by this response
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#[inline]
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pub fn cookies(&self) -> CookieIter {
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CookieIter {
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iter: self.get_ref().headers.get_all(header::SET_COOKIE).iter(),
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}
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}
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/// Add a cookie to this response
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#[inline]
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pub fn add_cookie(&mut self, cookie: &Cookie) -> Result<(), HttpError> {
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let h = &mut self.get_mut().headers;
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HeaderValue::from_str(&cookie.to_string())
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.map(|c| {
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h.append(header::SET_COOKIE, c);
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}).map_err(|e| e.into())
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}
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/// Remove all cookies with the given name from this response. Returns
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/// the number of cookies removed.
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#[inline]
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pub fn del_cookie(&mut self, name: &str) -> usize {
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let h = &mut self.get_mut().headers;
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let vals: Vec<HeaderValue> = h
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.get_all(header::SET_COOKIE)
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.iter()
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.map(|v| v.to_owned())
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.collect();
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h.remove(header::SET_COOKIE);
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let mut count: usize = 0;
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for v in vals {
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if let Ok(s) = v.to_str() {
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if let Ok(c) = Cookie::parse_encoded(s) {
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if c.name() == name {
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count += 1;
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continue;
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}
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}
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}
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h.append(header::SET_COOKIE, v);
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}
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count
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}
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/// Get the response status code
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#[inline]
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pub fn status(&self) -> StatusCode {
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self.get_ref().status
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}
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/// Set the `StatusCode` for this response
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#[inline]
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pub fn status_mut(&mut self) -> &mut StatusCode {
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&mut self.get_mut().status
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}
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/// Get custom reason for the response
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#[inline]
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pub fn reason(&self) -> &str {
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if let Some(reason) = self.get_ref().reason {
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reason
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} else {
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self.get_ref()
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.status
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.canonical_reason()
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.unwrap_or("<unknown status code>")
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}
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}
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/// Set the custom reason for the response
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#[inline]
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pub fn set_reason(&mut self, reason: &'static str) -> &mut Self {
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self.get_mut().reason = Some(reason);
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self
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}
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/// Set connection type
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pub fn set_connection_type(&mut self, conn: ConnectionType) -> &mut Self {
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self.get_mut().connection_type = Some(conn);
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self
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}
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/// Connection upgrade status
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#[inline]
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pub fn upgrade(&self) -> bool {
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self.get_ref().connection_type == Some(ConnectionType::Upgrade)
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}
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/// Keep-alive status for this connection
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pub fn keep_alive(&self) -> Option<bool> {
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if let Some(ct) = self.get_ref().connection_type {
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match ct {
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ConnectionType::KeepAlive => Some(true),
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ConnectionType::Close | ConnectionType::Upgrade => Some(false),
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}
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} else {
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None
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}
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}
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/// is chunked encoding enabled
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#[inline]
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pub fn chunked(&self) -> Option<bool> {
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self.get_ref().chunked
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}
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/// Content encoding
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#[inline]
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pub fn content_encoding(&self) -> Option<ContentEncoding> {
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self.get_ref().encoding
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}
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/// Set content encoding
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pub fn set_content_encoding(&mut self, enc: ContentEncoding) -> &mut Self {
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self.get_mut().encoding = Some(enc);
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self
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}
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/// Get body os this response
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#[inline]
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pub fn body(&self) -> &Body {
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&self.get_ref().body
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}
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/// Set a body
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pub fn set_body<B: Into<Body>>(&mut self, body: B) {
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self.get_mut().body = body.into();
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}
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/// Set a body and return previous body value
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pub fn replace_body<B: Into<Body>>(&mut self, body: B) -> Body {
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mem::replace(&mut self.get_mut().body, body.into())
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}
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/// Size of response in bytes, excluding HTTP headers
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pub fn response_size(&self) -> u64 {
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self.get_ref().response_size
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}
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/// Set content encoding
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pub(crate) fn set_response_size(&mut self, size: u64) {
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self.get_mut().response_size = size;
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}
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/// Set write buffer capacity
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pub fn write_buffer_capacity(&self) -> usize {
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self.get_ref().write_capacity
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}
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/// Set write buffer capacity
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pub fn set_write_buffer_capacity(&mut self, cap: usize) {
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self.get_mut().write_capacity = cap;
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}
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pub(crate) fn release(self) {
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self.1.release(self.0);
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}
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pub(crate) fn into_parts(self) -> HttpResponseParts {
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self.0.into_parts()
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}
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pub(crate) fn from_parts(parts: HttpResponseParts) -> HttpResponse {
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HttpResponse(
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Box::new(InnerHttpResponse::from_parts(parts)),
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HttpResponsePool::get_pool(),
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)
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}
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}
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impl fmt::Debug for HttpResponse {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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let res = writeln!(
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f,
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"\nHttpResponse {:?} {}{}",
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self.get_ref().version,
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self.get_ref().status,
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self.get_ref().reason.unwrap_or("")
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);
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let _ = writeln!(f, " encoding: {:?}", self.get_ref().encoding);
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let _ = writeln!(f, " headers:");
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for (key, val) in self.get_ref().headers.iter() {
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let _ = writeln!(f, " {:?}: {:?}", key, val);
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}
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res
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}
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}
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pub struct CookieIter<'a> {
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iter: header::ValueIter<'a, HeaderValue>,
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}
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impl<'a> Iterator for CookieIter<'a> {
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type Item = Cookie<'a>;
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#[inline]
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fn next(&mut self) -> Option<Cookie<'a>> {
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for v in self.iter.by_ref() {
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if let Ok(c) = Cookie::parse_encoded(v.to_str().ok()?) {
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return Some(c);
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}
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}
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None
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}
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}
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/// An HTTP response builder
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///
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/// This type can be used to construct an instance of `HttpResponse` through a
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/// builder-like pattern.
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pub struct HttpResponseBuilder {
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pool: &'static HttpResponsePool,
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response: Option<Box<InnerHttpResponse>>,
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err: Option<HttpError>,
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cookies: Option<CookieJar>,
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}
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impl HttpResponseBuilder {
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/// Set HTTP status code of this response.
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#[inline]
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pub fn status(&mut self, status: StatusCode) -> &mut Self {
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if let Some(parts) = parts(&mut self.response, &self.err) {
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parts.status = status;
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}
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self
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}
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/// Set HTTP version of this response.
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///
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/// By default response's http version depends on request's version.
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#[inline]
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pub fn version(&mut self, version: Version) -> &mut Self {
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if let Some(parts) = parts(&mut self.response, &self.err) {
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parts.version = Some(version);
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}
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self
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}
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/// Set a header.
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///
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/// ```rust
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/// # extern crate actix_web;
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/// use actix_web::{http, HttpRequest, HttpResponse, Result};
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///
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/// fn index(req: HttpRequest) -> Result<HttpResponse> {
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/// Ok(HttpResponse::Ok()
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/// .set(http::header::IfModifiedSince(
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/// "Sun, 07 Nov 1994 08:48:37 GMT".parse()?,
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/// ))
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/// .finish())
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/// }
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/// fn main() {}
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/// ```
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#[doc(hidden)]
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pub fn set<H: Header>(&mut self, hdr: H) -> &mut Self {
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if let Some(parts) = parts(&mut self.response, &self.err) {
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match hdr.try_into() {
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Ok(value) => {
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parts.headers.append(H::name(), value);
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}
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Err(e) => self.err = Some(e.into()),
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}
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}
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self
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}
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/// Set a header.
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///
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/// ```rust
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/// # extern crate actix_web;
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/// use actix_web::{http, HttpRequest, HttpResponse};
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///
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/// fn index(req: HttpRequest) -> HttpResponse {
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/// HttpResponse::Ok()
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/// .header("X-TEST", "value")
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/// .header(http::header::CONTENT_TYPE, "application/json")
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/// .finish()
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/// }
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/// fn main() {}
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/// ```
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pub fn header<K, V>(&mut self, key: K, value: V) -> &mut Self
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where
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HeaderName: HttpTryFrom<K>,
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V: IntoHeaderValue,
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{
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if let Some(parts) = parts(&mut self.response, &self.err) {
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match HeaderName::try_from(key) {
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Ok(key) => match value.try_into() {
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Ok(value) => {
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parts.headers.append(key, value);
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}
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Err(e) => self.err = Some(e.into()),
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},
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Err(e) => self.err = Some(e.into()),
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};
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}
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self
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}
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/// Set the custom reason for the response.
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#[inline]
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pub fn reason(&mut self, reason: &'static str) -> &mut Self {
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if let Some(parts) = parts(&mut self.response, &self.err) {
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parts.reason = Some(reason);
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}
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self
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}
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/// Set content encoding.
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///
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/// By default `ContentEncoding::Auto` is used, which automatically
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/// negotiates content encoding based on request's `Accept-Encoding`
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/// headers. To enforce specific encoding, use specific
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/// ContentEncoding` value.
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#[inline]
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pub fn content_encoding(&mut self, enc: ContentEncoding) -> &mut Self {
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if let Some(parts) = parts(&mut self.response, &self.err) {
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parts.encoding = Some(enc);
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}
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self
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}
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/// Set connection type
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#[inline]
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#[doc(hidden)]
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pub fn connection_type(&mut self, conn: ConnectionType) -> &mut Self {
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if let Some(parts) = parts(&mut self.response, &self.err) {
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parts.connection_type = Some(conn);
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}
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self
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}
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/// Set connection type to Upgrade
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#[inline]
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#[doc(hidden)]
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pub fn upgrade(&mut self) -> &mut Self {
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self.connection_type(ConnectionType::Upgrade)
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}
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/// Force close connection, even if it is marked as keep-alive
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#[inline]
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pub fn force_close(&mut self) -> &mut Self {
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self.connection_type(ConnectionType::Close)
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}
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/// Enables automatic chunked transfer encoding
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#[inline]
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pub fn chunked(&mut self) -> &mut Self {
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if let Some(parts) = parts(&mut self.response, &self.err) {
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parts.chunked = Some(true);
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}
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self
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}
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|
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/// Force disable chunked encoding
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#[inline]
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pub fn no_chunking(&mut self) -> &mut Self {
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if let Some(parts) = parts(&mut self.response, &self.err) {
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parts.chunked = Some(false);
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}
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self
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}
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/// Set response content type
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#[inline]
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pub fn content_type<V>(&mut self, value: V) -> &mut Self
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where
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HeaderValue: HttpTryFrom<V>,
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{
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if let Some(parts) = parts(&mut self.response, &self.err) {
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match HeaderValue::try_from(value) {
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Ok(value) => {
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parts.headers.insert(header::CONTENT_TYPE, value);
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}
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Err(e) => self.err = Some(e.into()),
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};
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}
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self
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}
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|
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/// Set content length
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#[inline]
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pub fn content_length(&mut self, len: u64) -> &mut Self {
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let mut wrt = BytesMut::new().writer();
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let _ = write!(wrt, "{}", len);
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self.header(header::CONTENT_LENGTH, wrt.get_mut().take().freeze())
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}
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|
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/// Set a cookie
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///
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/// ```rust
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/// # extern crate actix_web;
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/// use actix_web::{http, HttpRequest, HttpResponse, Result};
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///
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/// fn index(req: HttpRequest) -> HttpResponse {
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/// HttpResponse::Ok()
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/// .cookie(
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/// http::Cookie::build("name", "value")
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/// .domain("www.rust-lang.org")
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/// .path("/")
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/// .secure(true)
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/// .http_only(true)
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/// .finish(),
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/// )
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/// .finish()
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/// }
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/// ```
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pub fn cookie<'c>(&mut self, cookie: Cookie<'c>) -> &mut Self {
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if self.cookies.is_none() {
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let mut jar = CookieJar::new();
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jar.add(cookie.into_owned());
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self.cookies = Some(jar)
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} else {
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self.cookies.as_mut().unwrap().add(cookie.into_owned());
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}
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self
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}
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|
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/// Remove cookie
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///
|
|
/// ```rust
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/// # extern crate actix_web;
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/// use actix_web::{http, HttpRequest, HttpResponse, Result};
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///
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/// fn index(req: &HttpRequest) -> HttpResponse {
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/// let mut builder = HttpResponse::Ok();
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///
|
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/// if let Some(ref cookie) = req.cookie("name") {
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/// builder.del_cookie(cookie);
|
|
/// }
|
|
///
|
|
/// builder.finish()
|
|
/// }
|
|
/// ```
|
|
pub fn del_cookie<'a>(&mut self, cookie: &Cookie<'a>) -> &mut Self {
|
|
{
|
|
if self.cookies.is_none() {
|
|
self.cookies = Some(CookieJar::new())
|
|
}
|
|
let jar = self.cookies.as_mut().unwrap();
|
|
let cookie = cookie.clone().into_owned();
|
|
jar.add_original(cookie.clone());
|
|
jar.remove(cookie);
|
|
}
|
|
self
|
|
}
|
|
|
|
/// This method calls provided closure with builder reference if value is
|
|
/// true.
|
|
pub fn if_true<F>(&mut self, value: bool, f: F) -> &mut Self
|
|
where
|
|
F: FnOnce(&mut HttpResponseBuilder),
|
|
{
|
|
if value {
|
|
f(self);
|
|
}
|
|
self
|
|
}
|
|
|
|
/// This method calls provided closure with builder reference if value is
|
|
/// Some.
|
|
pub fn if_some<T, F>(&mut self, value: Option<T>, f: F) -> &mut Self
|
|
where
|
|
F: FnOnce(T, &mut HttpResponseBuilder),
|
|
{
|
|
if let Some(val) = value {
|
|
f(val, self);
|
|
}
|
|
self
|
|
}
|
|
|
|
/// Set write buffer capacity
|
|
///
|
|
/// This parameter makes sense only for streaming response
|
|
/// or actor. If write buffer reaches specified capacity, stream or actor
|
|
/// get paused.
|
|
///
|
|
/// Default write buffer capacity is 64kb
|
|
pub fn write_buffer_capacity(&mut self, cap: usize) -> &mut Self {
|
|
if let Some(parts) = parts(&mut self.response, &self.err) {
|
|
parts.write_capacity = cap;
|
|
}
|
|
self
|
|
}
|
|
|
|
/// Set a body and generate `HttpResponse`.
|
|
///
|
|
/// `HttpResponseBuilder` can not be used after this call.
|
|
pub fn body<B: Into<Body>>(&mut self, body: B) -> HttpResponse {
|
|
if let Some(e) = self.err.take() {
|
|
return Error::from(e).into();
|
|
}
|
|
let mut response = self.response.take().expect("cannot reuse response builder");
|
|
if let Some(ref jar) = self.cookies {
|
|
for cookie in jar.delta() {
|
|
match HeaderValue::from_str(&cookie.to_string()) {
|
|
Ok(val) => response.headers.append(header::SET_COOKIE, val),
|
|
Err(e) => return Error::from(e).into(),
|
|
};
|
|
}
|
|
}
|
|
response.body = body.into();
|
|
HttpResponse(response, self.pool)
|
|
}
|
|
|
|
#[inline]
|
|
/// Set a streaming body and generate `HttpResponse`.
|
|
///
|
|
/// `HttpResponseBuilder` can not be used after this call.
|
|
pub fn streaming<S, E>(&mut self, stream: S) -> HttpResponse
|
|
where
|
|
S: Stream<Item = Bytes, Error = E> + 'static,
|
|
E: Into<Error>,
|
|
{
|
|
self.body(Body::Streaming(Box::new(stream.map_err(|e| e.into()))))
|
|
}
|
|
|
|
/// Set a json body and generate `HttpResponse`
|
|
///
|
|
/// `HttpResponseBuilder` can not be used after this call.
|
|
pub fn json<T: Serialize>(&mut self, value: T) -> HttpResponse {
|
|
self.json2(&value)
|
|
}
|
|
|
|
/// Set a json body and generate `HttpResponse`
|
|
///
|
|
/// `HttpResponseBuilder` can not be used after this call.
|
|
pub fn json2<T: Serialize>(&mut self, value: &T) -> HttpResponse {
|
|
match serde_json::to_string(value) {
|
|
Ok(body) => {
|
|
let contains = if let Some(parts) = parts(&mut self.response, &self.err)
|
|
{
|
|
parts.headers.contains_key(header::CONTENT_TYPE)
|
|
} else {
|
|
true
|
|
};
|
|
if !contains {
|
|
self.header(header::CONTENT_TYPE, "application/json");
|
|
}
|
|
|
|
self.body(body)
|
|
}
|
|
Err(e) => Error::from(e).into(),
|
|
}
|
|
}
|
|
|
|
#[inline]
|
|
/// Set an empty body and generate `HttpResponse`
|
|
///
|
|
/// `HttpResponseBuilder` can not be used after this call.
|
|
pub fn finish(&mut self) -> HttpResponse {
|
|
self.body(Body::Empty)
|
|
}
|
|
|
|
/// This method construct new `HttpResponseBuilder`
|
|
pub fn take(&mut self) -> HttpResponseBuilder {
|
|
HttpResponseBuilder {
|
|
pool: self.pool,
|
|
response: self.response.take(),
|
|
err: self.err.take(),
|
|
cookies: self.cookies.take(),
|
|
}
|
|
}
|
|
}
|
|
|
|
#[inline]
|
|
#[cfg_attr(feature = "cargo-clippy", allow(borrowed_box))]
|
|
fn parts<'a>(
|
|
parts: &'a mut Option<Box<InnerHttpResponse>>, err: &Option<HttpError>,
|
|
) -> Option<&'a mut Box<InnerHttpResponse>> {
|
|
if err.is_some() {
|
|
return None;
|
|
}
|
|
parts.as_mut()
|
|
}
|
|
|
|
/// Helper converters
|
|
impl<I: Into<HttpResponse>, E: Into<Error>> From<Result<I, E>> for HttpResponse {
|
|
fn from(res: Result<I, E>) -> Self {
|
|
match res {
|
|
Ok(val) => val.into(),
|
|
Err(err) => err.into().into(),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl From<HttpResponseBuilder> for HttpResponse {
|
|
fn from(mut builder: HttpResponseBuilder) -> Self {
|
|
builder.finish()
|
|
}
|
|
}
|
|
|
|
impl Responder for HttpResponseBuilder {
|
|
type Item = HttpResponse;
|
|
type Error = Error;
|
|
|
|
#[inline]
|
|
fn respond_to<S>(mut self, _: &HttpRequest<S>) -> Result<HttpResponse, Error> {
|
|
Ok(self.finish())
|
|
}
|
|
}
|
|
|
|
impl From<&'static str> for HttpResponse {
|
|
fn from(val: &'static str) -> Self {
|
|
HttpResponse::Ok()
|
|
.content_type("text/plain; charset=utf-8")
|
|
.body(val)
|
|
}
|
|
}
|
|
|
|
impl Responder for &'static str {
|
|
type Item = HttpResponse;
|
|
type Error = Error;
|
|
|
|
fn respond_to<S>(self, req: &HttpRequest<S>) -> Result<HttpResponse, Error> {
|
|
Ok(req
|
|
.build_response(StatusCode::OK)
|
|
.content_type("text/plain; charset=utf-8")
|
|
.body(self))
|
|
}
|
|
}
|
|
|
|
impl From<&'static [u8]> for HttpResponse {
|
|
fn from(val: &'static [u8]) -> Self {
|
|
HttpResponse::Ok()
|
|
.content_type("application/octet-stream")
|
|
.body(val)
|
|
}
|
|
}
|
|
|
|
impl Responder for &'static [u8] {
|
|
type Item = HttpResponse;
|
|
type Error = Error;
|
|
|
|
fn respond_to<S>(self, req: &HttpRequest<S>) -> Result<HttpResponse, Error> {
|
|
Ok(req
|
|
.build_response(StatusCode::OK)
|
|
.content_type("application/octet-stream")
|
|
.body(self))
|
|
}
|
|
}
|
|
|
|
impl From<String> for HttpResponse {
|
|
fn from(val: String) -> Self {
|
|
HttpResponse::Ok()
|
|
.content_type("text/plain; charset=utf-8")
|
|
.body(val)
|
|
}
|
|
}
|
|
|
|
impl Responder for String {
|
|
type Item = HttpResponse;
|
|
type Error = Error;
|
|
|
|
fn respond_to<S>(self, req: &HttpRequest<S>) -> Result<HttpResponse, Error> {
|
|
Ok(req
|
|
.build_response(StatusCode::OK)
|
|
.content_type("text/plain; charset=utf-8")
|
|
.body(self))
|
|
}
|
|
}
|
|
|
|
impl<'a> From<&'a String> for HttpResponse {
|
|
fn from(val: &'a String) -> Self {
|
|
HttpResponse::build(StatusCode::OK)
|
|
.content_type("text/plain; charset=utf-8")
|
|
.body(val)
|
|
}
|
|
}
|
|
|
|
impl<'a> Responder for &'a String {
|
|
type Item = HttpResponse;
|
|
type Error = Error;
|
|
|
|
fn respond_to<S>(self, req: &HttpRequest<S>) -> Result<HttpResponse, Error> {
|
|
Ok(req
|
|
.build_response(StatusCode::OK)
|
|
.content_type("text/plain; charset=utf-8")
|
|
.body(self))
|
|
}
|
|
}
|
|
|
|
impl From<Bytes> for HttpResponse {
|
|
fn from(val: Bytes) -> Self {
|
|
HttpResponse::Ok()
|
|
.content_type("application/octet-stream")
|
|
.body(val)
|
|
}
|
|
}
|
|
|
|
impl Responder for Bytes {
|
|
type Item = HttpResponse;
|
|
type Error = Error;
|
|
|
|
fn respond_to<S>(self, req: &HttpRequest<S>) -> Result<HttpResponse, Error> {
|
|
Ok(req
|
|
.build_response(StatusCode::OK)
|
|
.content_type("application/octet-stream")
|
|
.body(self))
|
|
}
|
|
}
|
|
|
|
impl From<BytesMut> for HttpResponse {
|
|
fn from(val: BytesMut) -> Self {
|
|
HttpResponse::Ok()
|
|
.content_type("application/octet-stream")
|
|
.body(val)
|
|
}
|
|
}
|
|
|
|
impl Responder for BytesMut {
|
|
type Item = HttpResponse;
|
|
type Error = Error;
|
|
|
|
fn respond_to<S>(self, req: &HttpRequest<S>) -> Result<HttpResponse, Error> {
|
|
Ok(req
|
|
.build_response(StatusCode::OK)
|
|
.content_type("application/octet-stream")
|
|
.body(self))
|
|
}
|
|
}
|
|
|
|
/// Create `HttpResponseBuilder` from `ClientResponse`
|
|
///
|
|
/// It is useful for proxy response. This implementation
|
|
/// copies all responses's headers and status.
|
|
impl<'a> From<&'a ClientResponse> for HttpResponseBuilder {
|
|
fn from(resp: &'a ClientResponse) -> HttpResponseBuilder {
|
|
let mut builder = HttpResponse::build(resp.status());
|
|
for (key, value) in resp.headers() {
|
|
builder.header(key.clone(), value.clone());
|
|
}
|
|
builder
|
|
}
|
|
}
|
|
|
|
impl<'a, S> From<&'a HttpRequest<S>> for HttpResponseBuilder {
|
|
fn from(req: &'a HttpRequest<S>) -> HttpResponseBuilder {
|
|
req.request()
|
|
.server_settings()
|
|
.get_response_builder(StatusCode::OK)
|
|
}
|
|
}
|
|
|
|
#[derive(Debug)]
|
|
struct InnerHttpResponse {
|
|
version: Option<Version>,
|
|
headers: HeaderMap,
|
|
status: StatusCode,
|
|
reason: Option<&'static str>,
|
|
body: Body,
|
|
chunked: Option<bool>,
|
|
encoding: Option<ContentEncoding>,
|
|
connection_type: Option<ConnectionType>,
|
|
write_capacity: usize,
|
|
response_size: u64,
|
|
error: Option<Error>,
|
|
}
|
|
|
|
pub(crate) struct HttpResponseParts {
|
|
version: Option<Version>,
|
|
headers: HeaderMap,
|
|
status: StatusCode,
|
|
reason: Option<&'static str>,
|
|
body: Option<Bytes>,
|
|
encoding: Option<ContentEncoding>,
|
|
connection_type: Option<ConnectionType>,
|
|
error: Option<Error>,
|
|
}
|
|
|
|
impl InnerHttpResponse {
|
|
#[inline]
|
|
fn new(status: StatusCode, body: Body) -> InnerHttpResponse {
|
|
InnerHttpResponse {
|
|
status,
|
|
body,
|
|
version: None,
|
|
headers: HeaderMap::with_capacity(16),
|
|
reason: None,
|
|
chunked: None,
|
|
encoding: None,
|
|
connection_type: None,
|
|
response_size: 0,
|
|
write_capacity: MAX_WRITE_BUFFER_SIZE,
|
|
error: None,
|
|
}
|
|
}
|
|
|
|
/// This is for failure, we can not have Send + Sync on Streaming and Actor response
|
|
fn into_parts(mut self) -> HttpResponseParts {
|
|
let body = match mem::replace(&mut self.body, Body::Empty) {
|
|
Body::Empty => None,
|
|
Body::Binary(mut bin) => Some(bin.take()),
|
|
Body::Streaming(_) | Body::Actor(_) => {
|
|
error!("Streaming or Actor body is not support by error response");
|
|
None
|
|
}
|
|
};
|
|
|
|
HttpResponseParts {
|
|
body,
|
|
version: self.version,
|
|
headers: self.headers,
|
|
status: self.status,
|
|
reason: self.reason,
|
|
encoding: self.encoding,
|
|
connection_type: self.connection_type,
|
|
error: self.error,
|
|
}
|
|
}
|
|
|
|
fn from_parts(parts: HttpResponseParts) -> InnerHttpResponse {
|
|
let body = if let Some(ref body) = parts.body {
|
|
Body::Binary(body.clone().into())
|
|
} else {
|
|
Body::Empty
|
|
};
|
|
|
|
InnerHttpResponse {
|
|
body,
|
|
status: parts.status,
|
|
version: parts.version,
|
|
headers: parts.headers,
|
|
reason: parts.reason,
|
|
chunked: None,
|
|
encoding: parts.encoding,
|
|
connection_type: parts.connection_type,
|
|
response_size: 0,
|
|
write_capacity: MAX_WRITE_BUFFER_SIZE,
|
|
error: parts.error,
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Internal use only!
|
|
pub(crate) struct HttpResponsePool(RefCell<VecDeque<Box<InnerHttpResponse>>>);
|
|
|
|
thread_local!(static POOL: &'static HttpResponsePool = HttpResponsePool::pool());
|
|
|
|
impl HttpResponsePool {
|
|
fn pool() -> &'static HttpResponsePool {
|
|
let pool = HttpResponsePool(RefCell::new(VecDeque::with_capacity(128)));
|
|
Box::leak(Box::new(pool))
|
|
}
|
|
|
|
pub fn get_pool() -> &'static HttpResponsePool {
|
|
POOL.with(|p| *p)
|
|
}
|
|
|
|
#[inline]
|
|
pub fn get_builder(
|
|
pool: &'static HttpResponsePool, status: StatusCode,
|
|
) -> HttpResponseBuilder {
|
|
if let Some(mut msg) = pool.0.borrow_mut().pop_front() {
|
|
msg.status = status;
|
|
HttpResponseBuilder {
|
|
pool,
|
|
response: Some(msg),
|
|
err: None,
|
|
cookies: None,
|
|
}
|
|
} else {
|
|
let msg = Box::new(InnerHttpResponse::new(status, Body::Empty));
|
|
HttpResponseBuilder {
|
|
pool,
|
|
response: Some(msg),
|
|
err: None,
|
|
cookies: None,
|
|
}
|
|
}
|
|
}
|
|
|
|
#[inline]
|
|
pub fn get_response(
|
|
pool: &'static HttpResponsePool, status: StatusCode, body: Body,
|
|
) -> HttpResponse {
|
|
if let Some(mut msg) = pool.0.borrow_mut().pop_front() {
|
|
msg.status = status;
|
|
msg.body = body;
|
|
HttpResponse(msg, pool)
|
|
} else {
|
|
let msg = Box::new(InnerHttpResponse::new(status, body));
|
|
HttpResponse(msg, pool)
|
|
}
|
|
}
|
|
|
|
#[inline]
|
|
fn get(status: StatusCode) -> HttpResponseBuilder {
|
|
POOL.with(|pool| HttpResponsePool::get_builder(pool, status))
|
|
}
|
|
|
|
#[inline]
|
|
fn with_body(status: StatusCode, body: Body) -> HttpResponse {
|
|
POOL.with(|pool| HttpResponsePool::get_response(pool, status, body))
|
|
}
|
|
|
|
#[inline]
|
|
fn release(&self, mut inner: Box<InnerHttpResponse>) {
|
|
let mut p = self.0.borrow_mut();
|
|
if p.len() < 128 {
|
|
inner.headers.clear();
|
|
inner.version = None;
|
|
inner.chunked = None;
|
|
inner.reason = None;
|
|
inner.encoding = None;
|
|
inner.connection_type = None;
|
|
inner.response_size = 0;
|
|
inner.error = None;
|
|
inner.write_capacity = MAX_WRITE_BUFFER_SIZE;
|
|
p.push_front(inner);
|
|
}
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
use body::Binary;
|
|
use http;
|
|
use http::header::{HeaderValue, CONTENT_TYPE, COOKIE};
|
|
use time::Duration;
|
|
|
|
use test::TestRequest;
|
|
|
|
#[test]
|
|
fn test_debug() {
|
|
let resp = HttpResponse::Ok()
|
|
.header(COOKIE, HeaderValue::from_static("cookie1=value1; "))
|
|
.header(COOKIE, HeaderValue::from_static("cookie2=value2; "))
|
|
.finish();
|
|
let dbg = format!("{:?}", resp);
|
|
assert!(dbg.contains("HttpResponse"));
|
|
}
|
|
|
|
#[test]
|
|
fn test_response_cookies() {
|
|
let req = TestRequest::default()
|
|
.header(COOKIE, "cookie1=value1")
|
|
.header(COOKIE, "cookie2=value2")
|
|
.finish();
|
|
let cookies = req.cookies().unwrap();
|
|
|
|
let resp = HttpResponse::Ok()
|
|
.cookie(
|
|
http::Cookie::build("name", "value")
|
|
.domain("www.rust-lang.org")
|
|
.path("/test")
|
|
.http_only(true)
|
|
.max_age(Duration::days(1))
|
|
.finish(),
|
|
).del_cookie(&cookies[0])
|
|
.finish();
|
|
|
|
let mut val: Vec<_> = resp
|
|
.headers()
|
|
.get_all("Set-Cookie")
|
|
.iter()
|
|
.map(|v| v.to_str().unwrap().to_owned())
|
|
.collect();
|
|
val.sort();
|
|
assert!(val[0].starts_with("cookie1=; Max-Age=0;"));
|
|
assert_eq!(
|
|
val[1],
|
|
"name=value; HttpOnly; Path=/test; Domain=www.rust-lang.org; Max-Age=86400"
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_update_response_cookies() {
|
|
let mut r = HttpResponse::Ok()
|
|
.cookie(http::Cookie::new("original", "val100"))
|
|
.finish();
|
|
|
|
r.add_cookie(&http::Cookie::new("cookie2", "val200"))
|
|
.unwrap();
|
|
r.add_cookie(&http::Cookie::new("cookie2", "val250"))
|
|
.unwrap();
|
|
r.add_cookie(&http::Cookie::new("cookie3", "val300"))
|
|
.unwrap();
|
|
|
|
assert_eq!(r.cookies().count(), 4);
|
|
r.del_cookie("cookie2");
|
|
|
|
let mut iter = r.cookies();
|
|
let v = iter.next().unwrap();
|
|
assert_eq!((v.name(), v.value()), ("original", "val100"));
|
|
let v = iter.next().unwrap();
|
|
assert_eq!((v.name(), v.value()), ("cookie3", "val300"));
|
|
}
|
|
|
|
#[test]
|
|
fn test_basic_builder() {
|
|
let resp = HttpResponse::Ok()
|
|
.header("X-TEST", "value")
|
|
.version(Version::HTTP_10)
|
|
.finish();
|
|
assert_eq!(resp.version(), Some(Version::HTTP_10));
|
|
assert_eq!(resp.status(), StatusCode::OK);
|
|
}
|
|
|
|
#[test]
|
|
fn test_upgrade() {
|
|
let resp = HttpResponse::build(StatusCode::OK).upgrade().finish();
|
|
assert!(resp.upgrade())
|
|
}
|
|
|
|
#[test]
|
|
fn test_force_close() {
|
|
let resp = HttpResponse::build(StatusCode::OK).force_close().finish();
|
|
assert!(!resp.keep_alive().unwrap())
|
|
}
|
|
|
|
#[test]
|
|
fn test_content_type() {
|
|
let resp = HttpResponse::build(StatusCode::OK)
|
|
.content_type("text/plain")
|
|
.body(Body::Empty);
|
|
assert_eq!(resp.headers().get(CONTENT_TYPE).unwrap(), "text/plain")
|
|
}
|
|
|
|
#[test]
|
|
fn test_content_encoding() {
|
|
let resp = HttpResponse::build(StatusCode::OK).finish();
|
|
assert_eq!(resp.content_encoding(), None);
|
|
|
|
#[cfg(feature = "brotli")]
|
|
{
|
|
let resp = HttpResponse::build(StatusCode::OK)
|
|
.content_encoding(ContentEncoding::Br)
|
|
.finish();
|
|
assert_eq!(resp.content_encoding(), Some(ContentEncoding::Br));
|
|
}
|
|
|
|
let resp = HttpResponse::build(StatusCode::OK)
|
|
.content_encoding(ContentEncoding::Gzip)
|
|
.finish();
|
|
assert_eq!(resp.content_encoding(), Some(ContentEncoding::Gzip));
|
|
}
|
|
|
|
#[test]
|
|
fn test_json() {
|
|
let resp = HttpResponse::build(StatusCode::OK).json(vec!["v1", "v2", "v3"]);
|
|
let ct = resp.headers().get(CONTENT_TYPE).unwrap();
|
|
assert_eq!(ct, HeaderValue::from_static("application/json"));
|
|
assert_eq!(
|
|
*resp.body(),
|
|
Body::from(Bytes::from_static(b"[\"v1\",\"v2\",\"v3\"]"))
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_json_ct() {
|
|
let resp = HttpResponse::build(StatusCode::OK)
|
|
.header(CONTENT_TYPE, "text/json")
|
|
.json(vec!["v1", "v2", "v3"]);
|
|
let ct = resp.headers().get(CONTENT_TYPE).unwrap();
|
|
assert_eq!(ct, HeaderValue::from_static("text/json"));
|
|
assert_eq!(
|
|
*resp.body(),
|
|
Body::from(Bytes::from_static(b"[\"v1\",\"v2\",\"v3\"]"))
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_json2() {
|
|
let resp = HttpResponse::build(StatusCode::OK).json2(&vec!["v1", "v2", "v3"]);
|
|
let ct = resp.headers().get(CONTENT_TYPE).unwrap();
|
|
assert_eq!(ct, HeaderValue::from_static("application/json"));
|
|
assert_eq!(
|
|
*resp.body(),
|
|
Body::from(Bytes::from_static(b"[\"v1\",\"v2\",\"v3\"]"))
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_json2_ct() {
|
|
let resp = HttpResponse::build(StatusCode::OK)
|
|
.header(CONTENT_TYPE, "text/json")
|
|
.json2(&vec!["v1", "v2", "v3"]);
|
|
let ct = resp.headers().get(CONTENT_TYPE).unwrap();
|
|
assert_eq!(ct, HeaderValue::from_static("text/json"));
|
|
assert_eq!(
|
|
*resp.body(),
|
|
Body::from(Bytes::from_static(b"[\"v1\",\"v2\",\"v3\"]"))
|
|
);
|
|
}
|
|
|
|
impl Body {
|
|
pub(crate) fn bin_ref(&self) -> &Binary {
|
|
match *self {
|
|
Body::Binary(ref bin) => bin,
|
|
_ => panic!(),
|
|
}
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_into_response() {
|
|
let req = TestRequest::default().finish();
|
|
|
|
let resp: HttpResponse = "test".into();
|
|
assert_eq!(resp.status(), StatusCode::OK);
|
|
assert_eq!(
|
|
resp.headers().get(CONTENT_TYPE).unwrap(),
|
|
HeaderValue::from_static("text/plain; charset=utf-8")
|
|
);
|
|
assert_eq!(resp.status(), StatusCode::OK);
|
|
assert_eq!(resp.body().bin_ref(), &Binary::from("test"));
|
|
|
|
let resp: HttpResponse = "test".respond_to(&req).ok().unwrap();
|
|
assert_eq!(resp.status(), StatusCode::OK);
|
|
assert_eq!(
|
|
resp.headers().get(CONTENT_TYPE).unwrap(),
|
|
HeaderValue::from_static("text/plain; charset=utf-8")
|
|
);
|
|
assert_eq!(resp.status(), StatusCode::OK);
|
|
assert_eq!(resp.body().bin_ref(), &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(),
|
|
HeaderValue::from_static("application/octet-stream")
|
|
);
|
|
assert_eq!(resp.status(), StatusCode::OK);
|
|
assert_eq!(resp.body().bin_ref(), &Binary::from(b"test".as_ref()));
|
|
|
|
let resp: HttpResponse = b"test".as_ref().respond_to(&req).ok().unwrap();
|
|
assert_eq!(resp.status(), StatusCode::OK);
|
|
assert_eq!(
|
|
resp.headers().get(CONTENT_TYPE).unwrap(),
|
|
HeaderValue::from_static("application/octet-stream")
|
|
);
|
|
assert_eq!(resp.status(), StatusCode::OK);
|
|
assert_eq!(resp.body().bin_ref(), &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(),
|
|
HeaderValue::from_static("text/plain; charset=utf-8")
|
|
);
|
|
assert_eq!(resp.status(), StatusCode::OK);
|
|
assert_eq!(resp.body().bin_ref(), &Binary::from("test".to_owned()));
|
|
|
|
let resp: HttpResponse = "test".to_owned().respond_to(&req).ok().unwrap();
|
|
assert_eq!(resp.status(), StatusCode::OK);
|
|
assert_eq!(
|
|
resp.headers().get(CONTENT_TYPE).unwrap(),
|
|
HeaderValue::from_static("text/plain; charset=utf-8")
|
|
);
|
|
assert_eq!(resp.status(), StatusCode::OK);
|
|
assert_eq!(resp.body().bin_ref(), &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(),
|
|
HeaderValue::from_static("text/plain; charset=utf-8")
|
|
);
|
|
assert_eq!(resp.status(), StatusCode::OK);
|
|
assert_eq!(resp.body().bin_ref(), &Binary::from(&"test".to_owned()));
|
|
|
|
let resp: HttpResponse = (&"test".to_owned()).respond_to(&req).ok().unwrap();
|
|
assert_eq!(resp.status(), StatusCode::OK);
|
|
assert_eq!(
|
|
resp.headers().get(CONTENT_TYPE).unwrap(),
|
|
HeaderValue::from_static("text/plain; charset=utf-8")
|
|
);
|
|
assert_eq!(resp.status(), StatusCode::OK);
|
|
assert_eq!(resp.body().bin_ref(), &Binary::from(&"test".to_owned()));
|
|
|
|
let b = Bytes::from_static(b"test");
|
|
let resp: HttpResponse = b.into();
|
|
assert_eq!(resp.status(), StatusCode::OK);
|
|
assert_eq!(
|
|
resp.headers().get(CONTENT_TYPE).unwrap(),
|
|
HeaderValue::from_static("application/octet-stream")
|
|
);
|
|
assert_eq!(resp.status(), StatusCode::OK);
|
|
assert_eq!(
|
|
resp.body().bin_ref(),
|
|
&Binary::from(Bytes::from_static(b"test"))
|
|
);
|
|
|
|
let b = Bytes::from_static(b"test");
|
|
let resp: HttpResponse = b.respond_to(&req).ok().unwrap();
|
|
assert_eq!(resp.status(), StatusCode::OK);
|
|
assert_eq!(
|
|
resp.headers().get(CONTENT_TYPE).unwrap(),
|
|
HeaderValue::from_static("application/octet-stream")
|
|
);
|
|
assert_eq!(resp.status(), StatusCode::OK);
|
|
assert_eq!(
|
|
resp.body().bin_ref(),
|
|
&Binary::from(Bytes::from_static(b"test"))
|
|
);
|
|
|
|
let b = BytesMut::from("test");
|
|
let resp: HttpResponse = b.into();
|
|
assert_eq!(resp.status(), StatusCode::OK);
|
|
assert_eq!(
|
|
resp.headers().get(CONTENT_TYPE).unwrap(),
|
|
HeaderValue::from_static("application/octet-stream")
|
|
);
|
|
assert_eq!(resp.status(), StatusCode::OK);
|
|
assert_eq!(resp.body().bin_ref(), &Binary::from(BytesMut::from("test")));
|
|
|
|
let b = BytesMut::from("test");
|
|
let resp: HttpResponse = b.respond_to(&req).ok().unwrap();
|
|
assert_eq!(resp.status(), StatusCode::OK);
|
|
assert_eq!(
|
|
resp.headers().get(CONTENT_TYPE).unwrap(),
|
|
HeaderValue::from_static("application/octet-stream")
|
|
);
|
|
assert_eq!(resp.status(), StatusCode::OK);
|
|
assert_eq!(resp.body().bin_ref(), &Binary::from(BytesMut::from("test")));
|
|
}
|
|
|
|
#[test]
|
|
fn test_into_builder() {
|
|
let mut resp: HttpResponse = "test".into();
|
|
assert_eq!(resp.status(), StatusCode::OK);
|
|
|
|
resp.add_cookie(&http::Cookie::new("cookie1", "val100"))
|
|
.unwrap();
|
|
|
|
let mut builder = resp.into_builder();
|
|
let resp = builder.status(StatusCode::BAD_REQUEST).finish();
|
|
assert_eq!(resp.status(), StatusCode::BAD_REQUEST);
|
|
|
|
let cookie = resp.cookies().next().unwrap();
|
|
assert_eq!((cookie.name(), cookie.value()), ("cookie1", "val100"));
|
|
}
|
|
}
|