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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use servo_rand;
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use servo_rand::Rng;
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use std::cell::RefCell;
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use std::rc::Rc;
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use url::{Host, Origin};
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use url_serde;
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use uuid::Uuid;
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/// The origin of an URL
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#[derive(Clone, Debug, Deserialize, Eq, MallocSizeOf, PartialEq, Serialize)]
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pub enum ImmutableOrigin {
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/// A globally unique identifier
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Opaque(OpaqueOrigin),
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/// Consists of the URL's scheme, host and port
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Tuple(
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String,
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#[serde(deserialize_with = "url_serde::deserialize", serialize_with = "url_serde::serialize")]
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Host,
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u16,
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)
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}
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impl ImmutableOrigin {
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pub fn new(origin: Origin) -> ImmutableOrigin {
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match origin {
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Origin::Opaque(_) => ImmutableOrigin::new_opaque(),
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Origin::Tuple(scheme, host, port) => ImmutableOrigin::Tuple(scheme, host, port),
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}
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}
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pub fn same_origin(&self, other: &MutableOrigin) -> bool {
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self == other.immutable()
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}
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pub fn same_origin_domain(&self, other: &MutableOrigin) -> bool {
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!other.has_domain() && self == other.immutable()
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}
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/// Creates a new opaque origin that is only equal to itself.
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pub fn new_opaque() -> ImmutableOrigin {
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ImmutableOrigin::Opaque(OpaqueOrigin(servo_rand::thread_rng().gen()))
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}
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pub fn scheme(&self) -> Option<&str> {
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match *self {
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ImmutableOrigin::Opaque(_) => None,
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ImmutableOrigin::Tuple(ref scheme, _, _) => Some(&**scheme),
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}
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}
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pub fn host(&self) -> Option<&Host> {
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match *self {
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ImmutableOrigin::Opaque(_) => None,
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ImmutableOrigin::Tuple(_, ref host, _) => Some(host),
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}
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}
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pub fn port(&self) -> Option<u16> {
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match *self {
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ImmutableOrigin::Opaque(_) => None,
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ImmutableOrigin::Tuple(_, _, port) => Some(port),
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}
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}
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pub fn into_url_origin(self) -> Origin {
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match self {
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ImmutableOrigin::Opaque(_) => Origin::new_opaque(),
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ImmutableOrigin::Tuple(scheme, host, port) => Origin::Tuple(scheme, host, port),
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}
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}
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/// Return whether this origin is a (scheme, host, port) tuple
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/// (as opposed to an opaque origin).
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pub fn is_tuple(&self) -> bool {
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match *self {
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ImmutableOrigin::Opaque(..) => false,
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ImmutableOrigin::Tuple(..) => true,
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}
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}
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/// <https://html.spec.whatwg.org/multipage/#ascii-serialisation-of-an-origin>
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pub fn ascii_serialization(&self) -> String {
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self.clone().into_url_origin().ascii_serialization()
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}
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/// <https://html.spec.whatwg.org/multipage/#unicode-serialisation-of-an-origin>
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pub fn unicode_serialization(&self) -> String {
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self.clone().into_url_origin().unicode_serialization()
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}
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}
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/// Opaque identifier for URLs that have file or other schemes
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#[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
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pub struct OpaqueOrigin(Uuid);
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malloc_size_of_is_0!(OpaqueOrigin);
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/// A representation of an [origin](https://html.spec.whatwg.org/multipage/#origin-2).
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#[derive(Clone, Debug)]
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pub struct MutableOrigin(Rc<(ImmutableOrigin, RefCell<Option<Host>>)>);
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malloc_size_of_is_0!(MutableOrigin);
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impl MutableOrigin {
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pub fn new(origin: ImmutableOrigin) -> MutableOrigin {
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MutableOrigin(Rc::new((origin, RefCell::new(None))))
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}
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pub fn immutable(&self) -> &ImmutableOrigin {
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&(self.0).0
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}
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pub fn is_tuple(&self) -> bool {
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self.immutable().is_tuple()
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}
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pub fn scheme(&self) -> Option<&str> {
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self.immutable().scheme()
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}
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pub fn host(&self) -> Option<&Host> {
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self.immutable().host()
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}
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pub fn port(&self) -> Option<u16> {
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self.immutable().port()
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}
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pub fn same_origin(&self, other: &MutableOrigin) -> bool {
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self.immutable() == other.immutable()
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}
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pub fn same_origin_domain(&self, other: &MutableOrigin) -> bool {
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if let Some(ref self_domain) = *(self.0).1.borrow() {
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if let Some(ref other_domain) = *(other.0).1.borrow() {
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self_domain == other_domain &&
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self.immutable().scheme() == other.immutable().scheme()
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} else {
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false
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}
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} else {
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self.immutable().same_origin_domain(other)
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}
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}
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pub fn domain(&self) -> Option<Host> {
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(self.0).1.borrow().clone()
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}
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pub fn set_domain(&self, domain: Host) {
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*(self.0).1.borrow_mut() = Some(domain);
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}
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pub fn has_domain(&self) -> bool {
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(self.0).1.borrow().is_some()
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}
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pub fn effective_domain(&self) -> Option<Host> {
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self.immutable().host()
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.map(|host| self.domain().unwrap_or_else(|| host.clone()))
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}
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}
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