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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 hyper::header::Headers;
use hyper::method::Method;
use std::cell::{Cell, RefCell};
use url::{Origin as UrlOrigin, Url};
/// An [initiator](https://fetch.spec.whatwg.org/#concept-request-initiator)
#[derive(Copy, Clone, PartialEq)]
pub enum Initiator {
None,
Download,
ImageSet,
Manifest,
XSLT
}
/// A request [type](https://fetch.spec.whatwg.org/#concept-request-type)
#[derive(Copy, Clone, PartialEq)]
pub enum Type {
None, Audio, Font, Image,
Script, Style, Track, Video
}
/// A request [destination](https://fetch.spec.whatwg.org/#concept-request-destination)
#[derive(Copy, Clone, PartialEq)]
pub enum Destination {
None, Document, Embed, Font, Image, Manifest,
Media, Object, Report, Script, ServiceWorker,
SharedWorker, Style, Worker, XSLT
}
/// A request [origin](https://fetch.spec.whatwg.org/#concept-request-origin)
#[derive(Clone, PartialEq)]
pub enum Origin {
Client,
Origin(UrlOrigin)
}
/// A [referer](https://fetch.spec.whatwg.org/#concept-request-referrer)
#[derive(Clone, PartialEq)]
pub enum Referer {
NoReferer,
Client,
RefererUrl(Url)
}
/// A [request mode](https://fetch.spec.whatwg.org/#concept-request-mode)
#[derive(Copy, Clone, PartialEq)]
pub enum RequestMode {
Navigate,
SameOrigin,
NoCORS,
CORSMode
}
/// Request [credentials mode](https://fetch.spec.whatwg.org/#concept-request-credentials-mode)
#[derive(Copy, Clone, PartialEq)]
pub enum CredentialsMode {
Omit,
CredentialsSameOrigin,
Include
}
/// [Cache mode](https://fetch.spec.whatwg.org/#concept-request-cache-mode)
#[derive(Copy, Clone, PartialEq)]
pub enum CacheMode {
Default,
NoStore,
Reload,
NoCache,
ForceCache,
OnlyIfCached
}
/// [Redirect mode](https://fetch.spec.whatwg.org/#concept-request-redirect-mode)
#[derive(Copy, Clone, PartialEq)]
pub enum RedirectMode {
Follow,
Error,
Manual
}
/// [Response tainting](https://fetch.spec.whatwg.org/#concept-request-response-tainting)
#[derive(Copy, Clone, PartialEq)]
pub enum ResponseTainting {
Basic,
CORSTainting,
Opaque
}
/// [Window](https://fetch.spec.whatwg.org/#concept-request-window)
#[derive(Copy, Clone, PartialEq)]
pub enum Window {
NoWindow,
Client,
// TODO: Environmental settings object
}
/// [CORS settings attribute](https://html.spec.whatwg.org/multipage/#attr-crossorigin-anonymous)
#[derive(Copy, Clone, PartialEq)]
pub enum CORSSettings {
Anonymous,
UseCredentials
}
/// A [Request](https://fetch.spec.whatwg.org/#requests) as defined by the Fetch spec
#[derive(Clone)]
pub struct Request {
pub method: RefCell<Method>,
pub local_urls_only: bool,
pub sandboxed_storage_area_urls: bool,
pub headers: RefCell<Headers>,
pub unsafe_request: bool,
pub body: RefCell<Option<Vec<u8>>>,
// TODO: client object
pub is_service_worker_global_scope: 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 window: Cell<Window>,
// TODO: target browsing context
pub keep_alive: Cell<bool>,
pub skip_service_worker: Cell<bool>,
pub initiator: Initiator,
pub type_: Type,
pub destination: Destination,
// TODO: priority object
pub origin: RefCell<Origin>,
pub omit_origin_header: Cell<bool>,
pub same_origin_data: Cell<bool>,
pub referer: Referer,
// TODO: referrer policy
pub synchronous: bool,
pub mode: RequestMode,
pub use_cors_preflight: bool,
pub credentials_mode: CredentialsMode,
pub use_url_credentials: bool,
pub cache_mode: Cell<CacheMode>,
pub redirect_mode: Cell<RedirectMode>,
pub integrity_metadata: RefCell<String>,
// Use the last method on url_list to act as spec current url field, and
// first method to act as spec url field
pub url_list: RefCell<Vec<Url>>,
pub redirect_count: Cell<u32>,
pub response_tainting: Cell<ResponseTainting>,
pub done: Cell<bool>
}
impl Request {
pub fn new(url: Url,
origin: Option<Origin>,
is_service_worker_global_scope: bool) -> Request {
Request {
method: RefCell::new(Method::Get),
local_urls_only: false,
sandboxed_storage_area_urls: false,
headers: RefCell::new(Headers::new()),
unsafe_request: false,
body: RefCell::new(None),
is_service_worker_global_scope: is_service_worker_global_scope,
window: Cell::new(Window::Client),
keep_alive: Cell::new(false),
skip_service_worker: Cell::new(false),
initiator: Initiator::None,
type_: Type::None,
destination: Destination::None,
origin: RefCell::new(origin.unwrap_or(Origin::Client)),
omit_origin_header: Cell::new(false),
same_origin_data: Cell::new(false),
referer: Referer::Client,
synchronous: false,
mode: RequestMode::NoCORS,
use_cors_preflight: false,
credentials_mode: CredentialsMode::Omit,
use_url_credentials: false,
cache_mode: Cell::new(CacheMode::Default),
redirect_mode: Cell::new(RedirectMode::Follow),
integrity_metadata: RefCell::new(String::new()),
url_list: RefCell::new(vec![url]),
redirect_count: Cell::new(0),
response_tainting: Cell::new(ResponseTainting::Basic),
done: Cell::new(false)
}
}
/// https://html.spec.whatwg.org/multipage/#create-a-potential-cors-request
pub fn potential_cors_request(url: Url,
cors_attribute_state: Option<CORSSettings>,
is_service_worker_global_scope: bool,
same_origin_fallback: bool) -> Request {
Request {
method: RefCell::new(Method::Get),
local_urls_only: false,
sandboxed_storage_area_urls: false,
headers: RefCell::new(Headers::new()),
unsafe_request: false,
body: RefCell::new(None),
is_service_worker_global_scope: is_service_worker_global_scope,
window: Cell::new(Window::Client),
keep_alive: Cell::new(false),
skip_service_worker: Cell::new(false),
initiator: Initiator::None,
type_: Type::None,
destination: Destination::None,
origin: RefCell::new(Origin::Client),
omit_origin_header: Cell::new(false),
same_origin_data: Cell::new(false),
referer: Referer::Client,
synchronous: false,
// Step 1-2
mode: match cors_attribute_state {
Some(_) => RequestMode::CORSMode,
None if same_origin_fallback => RequestMode::SameOrigin,
None => RequestMode::NoCORS
},
use_cors_preflight: false,
// Step 3-4
credentials_mode: match cors_attribute_state {
Some(CORSSettings::Anonymous) => CredentialsMode::CredentialsSameOrigin,
_ => CredentialsMode::Include,
},
use_url_credentials: true,
cache_mode: Cell::new(CacheMode::Default),
redirect_mode: Cell::new(RedirectMode::Follow),
integrity_metadata: RefCell::new(String::new()),
url_list: RefCell::new(vec![url]),
redirect_count: Cell::new(0),
response_tainting: Cell::new(ResponseTainting::Basic),
done: Cell::new(false)
}
}
pub fn url(&self) -> Url {
self.url_list.borrow().first().unwrap().clone()
}
pub fn current_url(&self) -> Url {
self.url_list.borrow().last().unwrap().clone()
}
pub fn current_url_string(&self) -> String {
self.url_list.borrow().last().unwrap().serialize()
}
pub fn is_navigation_request(&self) -> bool {
self.destination == Destination::Document
}
pub fn is_subresource_request(&self) -> bool {
match self.destination {
Destination::Font | Destination::Image | Destination::Manifest
| Destination::Media | Destination::Script
| Destination::Style | Destination::XSLT
| Destination::None => true,
_ => false
}
}
}
|
