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Support CORS attributes for image elements.

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This commit is contained in:
Josh Matthews 2019-10-03 17:36:02 -04:00
parent 583536c940
commit 1df8d57dc6
102 changed files with 277 additions and 363 deletions
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23
components/script/dom/servoparser/prefetch.rs
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@ -4,8 +4,8 @@
use crate::dom::bindings::reflector::DomObject;
use crate::dom::bindings::trace::JSTraceable;
use crate::dom::document::Document;
use crate::dom::htmlimageelement::image_fetch_request;
use crate::dom::document::{determine_policy_for_token, Document};
use crate::dom::htmlimageelement::{image_fetch_request, FromPictureOrSrcSet};
use crate::dom::htmlscriptelement::script_fetch_request;
use crate::stylesheet_loader::stylesheet_fetch_request;
use html5ever::buffer_queue::BufferQueue;
@ -123,7 +123,14 @@ impl TokenSink for PrefetchSink {
(TagKind::StartTag, local_name!("img")) if self.prefetching => {
if let Some(url) = self.get_url(tag, local_name!("src")) {
debug!("Prefetch {} {}", tag.name, url);
let request = image_fetch_request(url, self.origin.clone(), self.pipeline_id);
let request = image_fetch_request(
url,
self.origin.clone(),
self.pipeline_id,
self.get_cors_settings(tag, local_name!("crossorigin")),
self.get_referrer_policy(tag, LocalName::from("referrerpolicy")),
FromPictureOrSrcSet::No,
);
let _ = self
.resource_threads
.send(CoreResourceMsg::Fetch(request, FetchChannels::Prefetch));
@ -137,6 +144,8 @@ impl TokenSink for PrefetchSink {
debug!("Prefetch {} {}", tag.name, url);
let cors_setting =
self.get_cors_settings(tag, local_name!("crossorigin"));
let referrer_policy =
self.get_referrer_policy(tag, LocalName::from("referrerpolicy"));
let integrity_metadata = self
.get_attr(tag, local_name!("integrity"))
.map(|attr| String::from(&attr.value))
@ -147,7 +156,7 @@ impl TokenSink for PrefetchSink {
self.origin.clone(),
self.pipeline_id,
self.referrer.clone(),
self.referrer_policy,
referrer_policy,
integrity_metadata,
);
let _ = self
@ -191,6 +200,12 @@ impl PrefetchSink {
ServoUrl::parse_with_base(Some(base), &attr.value).ok()
}
fn get_referrer_policy(&self, tag: &Tag, name: LocalName) -> Option<ReferrerPolicy> {
self.get_attr(tag, name)
.and_then(|attr| determine_policy_for_token(&*attr.value))
.or(self.referrer_policy)
}
fn get_cors_settings(&self, tag: &Tag, name: LocalName) -> Option<CorsSettings> {
let crossorigin = self.get_attr(tag, name)?;
if crossorigin.value.eq_ignore_ascii_case("anonymous") {