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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 ref_filter_map::ref_filter_map;
use std::cell::{RefCell, Ref};
use std::rc::Rc;
use url::Origin as UrlOrigin;
use url::{Url, Host};
/// A representation of an [origin](https://html.spec.whatwg.org/multipage/#origin-2).
#[derive(HeapSizeOf)]
pub struct Origin {
#[ignore_heap_size_of = "Rc<T> has unclear ownership semantics"]
inner: Rc<RefCell<UrlOrigin>>,
}
// We can't use RefCell inside JSTraceable, but Origin doesn't contain JS values and
// DOMRefCell makes it much harder to write unit tests (due to setting up required TLS).
no_jsmanaged_fields!(Origin);
impl Origin {
/// Create a new origin comprising a unique, opaque identifier.
pub fn opaque_identifier() -> Origin {
Origin {
inner: Rc::new(RefCell::new(UrlOrigin::new_opaque())),
}
}
/// Create a new origin for the given URL.
pub fn new(url: &Url) -> Origin {
Origin {
inner: Rc::new(RefCell::new(url.origin())),
}
}
pub fn set(&self, origin: UrlOrigin) {
*self.inner.borrow_mut() = origin;
}
/// Does this origin represent a host/scheme/port tuple?
pub fn is_scheme_host_port_tuple(&self) -> bool {
self.inner.borrow().is_tuple()
}
/// Return the host associated with this origin.
pub fn host(&self) -> Option<Ref<Host<String>>> {
ref_filter_map(self.inner.borrow(), |origin| match *origin {
UrlOrigin::Tuple(_, ref host, _) => Some(host),
UrlOrigin::Opaque(..) => None,
})
}
/// https://html.spec.whatwg.org/multipage/#same-origin
pub fn same_origin(&self, other: &Origin) -> bool {
*self.inner.borrow() == *other.inner.borrow()
}
pub fn copy(&self) -> Origin {
Origin {
inner: Rc::new(RefCell::new(self.inner.borrow().clone())),
}
}
pub fn alias(&self) -> Origin {
Origin {
inner: self.inner.clone(),
}
}
}
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