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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use url::Url;
use http::method::{Get, Method};
use http::headers::request::HeaderCollection;
use fetch::cors_cache::CORSCache;
use fetch::response::Response;
/// A [request context](http://fetch.spec.whatwg.org/#concept-request-context)
pub enum Context {
Audio, Beacon, CSPreport, Download, Embed, Eventsource,
Favicon, Fetch, Font, Form, Frame, Hyperlink, IFrame, Image,
ImageSet, Import, Internal, Location, Manifest, Object, Ping,
Plugin, Prefetch, Script, ServiceWorker, SharedWorker, Subresource,
Style, Track, Video, Worker, XMLHttpRequest, XSLT
}
/// A [request context frame type](http://fetch.spec.whatwg.org/#concept-request-context-frame-type)
pub enum ContextFrameType {
Auxiliary,
TopLevel,
Nested,
ContextNone
}
/// A [referer](http://fetch.spec.whatwg.org/#concept-request-referrer)
pub enum Referer {
RefererNone,
Client,
RefererUrl(Url)
}
/// A [request mode](http://fetch.spec.whatwg.org/#concept-request-mode)
pub enum RequestMode {
SameOrigin,
NoCORS,
CORSMode,
ForcedPreflightMode
}
/// Request [credentials mode](http://fetch.spec.whatwg.org/#concept-request-credentials-mode)
pub enum CredentialsMode {
Omit,
CredentialsSameOrigin,
Include
}
/// [Response tainting](http://fetch.spec.whatwg.org/#concept-request-response-tainting)
pub enum ResponseTainting {
Basic,
CORSTainting,
Opaque
}
/// A [Request](http://fetch.spec.whatwg.org/#requests) as defined by the Fetch spec
pub struct Request {
pub method: Method,
pub url: Url,
pub headers: HeaderCollection,
pub unsafe_request: bool,
pub body: Option<Vec<u8>>,
pub preserve_content_codings: bool,
// pub client: GlobalRef, // XXXManishearth copy over only the relevant fields of the global scope,
// not the entire scope to avoid the libscript dependency
pub skip_service_worker: bool,
pub context: Context,
pub context_frame_type: ContextFrameType,
pub origin: Option<Url>,
pub force_origin_header: bool,
pub same_origin_data: bool,
pub referer: Referer,
pub authentication: bool,
pub sync: bool,
pub mode: RequestMode,
pub credentials_mode: CredentialsMode,
pub use_url_credentials: bool,
pub manual_redirect: bool,
pub redirect_count: uint,
pub response_tainting: ResponseTainting,
pub cache: Option<Box<CORSCache>>
}
impl Request {
pub fn new(url: Url, context: Context) -> Request {
Request {
method: Get,
url: url,
headers: HeaderCollection::new(),
unsafe_request: false,
body: None,
preserve_content_codings: false,
skip_service_worker: false,
context: context,
context_frame_type: ContextNone,
origin: None,
force_origin_header: false,
same_origin_data: false,
referer: Client,
authentication: false,
sync: false,
mode: NoCORS,
credentials_mode: Omit,
use_url_credentials: false,
manual_redirect: false,
redirect_count: 0,
response_tainting: Basic,
cache: None
}
}
/// [Basic fetch](http://fetch.spec.whatwg.org#basic-fetch)
pub fn basic_fetch(&mut self) -> Response {
match self.url.scheme.as_slice() {
"about" => match self.url.non_relative_scheme_data() {
Some(s) if s.as_slice() == "blank" => {
let mut response = Response::new();
let _ = response.headers.insert_raw("Content-Type".to_string(), b"text/html;charset=utf-8");
response
},
_ => Response::network_error()
},
"http" | "https" => {
self.http_fetch(false, false, false)
},
"blob" | "data" | "file" | "ftp" => {
// XXXManishearth handle these
fail!("Unimplemented scheme for Fetch")
},
_ => Response::network_error()
}
}
// [HTTP fetch](http://fetch.spec.whatwg.org#http-fetch)
pub fn http_fetch(&mut self, _cors_flag: bool, cors_preflight_flag: bool, _authentication_fetch_flag: bool) -> Response {
let response = Response::new();
// TODO: Service worker fetch
// Step 3
// Substep 1
self.skip_service_worker = true;
// Substep 2
if cors_preflight_flag {
// XXXManishearth stuff goes here
}
response
}
}
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