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Remove referrer policy from document (#34263)

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* Remove the referrer policy from document and rely on its policy container

Signed-off-by: Shane Handley <shanehandley@fastmail.com>

* Make ReferrerPolicy non-optional, instead using a new enum value to represent the empty string case

Signed-off-by: Shane Handley <shanehandley@fastmail.com>

* Fix clippy issue

Signed-off-by: Shane Handley <shanehandley@fastmail.com>

* Fix usage of Option<ReferrerPolicy> in unit test

Signed-off-by: Shane Handley <shanehandley@fastmail.com>

---------

Signed-off-by: Shane Handley <shanehandley@fastmail.com>
This commit is contained in:
shanehandley 2024-11-19 23:45:10 +11:00 • committed by GitHub
parent 83f8e88818
commit 975e2ae859
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GPG key ID: B5690EEEBB952194
108 changed files with 171 additions and 1509 deletions
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43
components/script/dom/document.rs
View file

@ -371,9 +371,6 @@ pub struct Document {
/// The document's origin.
#[no_trace]
origin: MutableOrigin,
/// <https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-states>
#[no_trace]
referrer_policy: Cell<Option<ReferrerPolicy>>,
/// <https://html.spec.whatwg.org/multipage/#dom-document-referrer>
referrer: Option<String>,
/// <https://html.spec.whatwg.org/multipage/#target-element>
@ -3295,7 +3292,6 @@ impl Document {
source: DocumentSource,
doc_loader: DocumentLoader,
referrer: Option<String>,
referrer_policy: Option<ReferrerPolicy>,
status_code: Option<u16>,
canceller: FetchCanceller,
) -> Document {
@ -3401,7 +3397,6 @@ impl Document {
https_state: Cell::new(HttpsState::None),
origin,
referrer,
referrer_policy: Cell::new(referrer_policy),
target_element: MutNullableDom::new(None),
policy_container: DomRefCell::new(PolicyContainer::default()),
last_click_info: DomRefCell::new(None),
@ -3580,7 +3575,6 @@ impl Document {
source: DocumentSource,
doc_loader: DocumentLoader,
referrer: Option<String>,
referrer_policy: Option<ReferrerPolicy>,
status_code: Option<u16>,
canceller: FetchCanceller,
can_gc: CanGc,
@ -3598,7 +3592,6 @@ impl Document {
source,
doc_loader,
referrer,
referrer_policy,
status_code,
canceller,
can_gc,
@ -3619,7 +3612,6 @@ impl Document {
source: DocumentSource,
doc_loader: DocumentLoader,
referrer: Option<String>,
referrer_policy: Option<ReferrerPolicy>,
status_code: Option<u16>,
canceller: FetchCanceller,
can_gc: CanGc,
@ -3637,7 +3629,6 @@ impl Document {
source,
doc_loader,
referrer,
referrer_policy,
status_code,
canceller,
)),
@ -3762,7 +3753,6 @@ impl Document {
DocumentLoader::new(&self.loader()),
None,
None,
None,
Default::default(),
can_gc,
);
@ -3847,13 +3837,14 @@ impl Document {
}
}
pub fn set_referrer_policy(&self, policy: Option<ReferrerPolicy>) {
self.referrer_policy.set(policy);
pub fn set_referrer_policy(&self, policy: ReferrerPolicy) {
self.policy_container
.borrow_mut()
.set_referrer_policy(policy);
}
//TODO - default still at no-referrer
pub fn get_referrer_policy(&self) -> Option<ReferrerPolicy> {
self.referrer_policy.get()
pub fn get_referrer_policy(&self) -> ReferrerPolicy {
self.policy_container.borrow().get_referrer_policy()
}
pub fn set_target_element(&self, node: Option<&Element>, can_gc: CanGc) {
@ -4301,7 +4292,6 @@ impl DocumentMethods for Document {
docloader,
None,
None,
None,
Default::default(),
can_gc,
))
@ -5621,18 +5611,17 @@ fn update_with_current_instant(marker: &Cell<Option<CrossProcessInstant>>) {
}
/// <https://w3c.github.io/webappsec-referrer-policy/#determine-policy-for-token>
pub fn determine_policy_for_token(token: &str) -> Option<ReferrerPolicy> {
pub fn determine_policy_for_token(token: &str) -> ReferrerPolicy {
match_ignore_ascii_case! { token,
"never" | "no-referrer" => Some(ReferrerPolicy::NoReferrer),
"no-referrer-when-downgrade" => Some(ReferrerPolicy::NoReferrerWhenDowngrade),
"origin" => Some(ReferrerPolicy::Origin),
"same-origin" => Some(ReferrerPolicy::SameOrigin),
"strict-origin" => Some(ReferrerPolicy::StrictOrigin),
"default" | "strict-origin-when-cross-origin" => Some(ReferrerPolicy::StrictOriginWhenCrossOrigin),
"origin-when-cross-origin" => Some(ReferrerPolicy::OriginWhenCrossOrigin),
"always" | "unsafe-url" => Some(ReferrerPolicy::UnsafeUrl),
"" => Some(ReferrerPolicy::default()),
_ => None,
"never" | "no-referrer" => ReferrerPolicy::NoReferrer,
"no-referrer-when-downgrade" => ReferrerPolicy::NoReferrerWhenDowngrade,
"origin" => ReferrerPolicy::Origin,
"same-origin" => ReferrerPolicy::SameOrigin,
"strict-origin" => ReferrerPolicy::StrictOrigin,
"default" | "strict-origin-when-cross-origin" => ReferrerPolicy::StrictOriginWhenCrossOrigin,
"origin-when-cross-origin" => ReferrerPolicy::OriginWhenCrossOrigin,
"always" | "unsafe-url" => ReferrerPolicy::UnsafeUrl,
_ => ReferrerPolicy::EmptyString,
}
}

1
components/script/dom/domimplementation.rs
View file

@ -159,7 +159,6 @@ impl DOMImplementationMethods for DOMImplementation {
loader,
None,
None,
None,
Default::default(),
can_gc,
);

2
components/script/dom/domparser.rs
View file

@ -86,7 +86,6 @@ impl DOMParserMethods for DOMParser {
loader,
None,
None,
None,
Default::default(),
can_gc,
);
@ -108,7 +107,6 @@ impl DOMParserMethods for DOMParser {
loader,
None,
None,
None,
Default::default(),
can_gc,
);

6
components/script/dom/element.rs
View file

@ -4539,11 +4539,11 @@ pub fn reflect_referrer_policy_attribute(element: &Element) -> DOMString {
DOMString::new()
}
pub(crate) fn referrer_policy_for_element(element: &Element) -> Option<ReferrerPolicy> {
pub(crate) fn referrer_policy_for_element(element: &Element) -> ReferrerPolicy {
element
.get_attribute_by_name(DOMString::from_string(String::from("referrerpolicy")))
.and_then(|attribute: DomRoot<Attr>| determine_policy_for_token(&attribute.Value()))
.or_else(|| document_from_node(element).get_referrer_policy())
.map(|attribute: DomRoot<Attr>| determine_policy_for_token(&attribute.Value()))
.unwrap_or(document_from_node(element).get_referrer_policy())
}
pub(crate) fn cors_setting_for_element(element: &Element) -> Option<CorsSettings> {

4
components/script/dom/globalscope.rs
View file

@ -2426,7 +2426,7 @@ impl GlobalScope {
}
/// Get the Referrer Policy for this global scope.
pub fn get_referrer_policy(&self) -> Option<ReferrerPolicy> {
pub fn get_referrer_policy(&self) -> ReferrerPolicy {
if let Some(window) = self.downcast::<Window>() {
let document = window.Document();
@ -2435,7 +2435,7 @@ impl GlobalScope {
if let Some(worker) = self.downcast::<WorkerGlobalScope>() {
let policy_container = worker.policy_container().to_owned();
return Some(policy_container.referrer_policy);
return policy_container.get_referrer_policy();
}
unreachable!();
}

13
components/script/dom/htmlimageelement.rs
View file

@ -336,7 +336,7 @@ pub(crate) fn image_fetch_request(
referrer: Referrer,
pipeline_id: PipelineId,
cors_setting: Option<CorsSettings>,
referrer_policy: Option<ReferrerPolicy>,
referrer_policy: ReferrerPolicy,
from_picture_or_srcset: FromPictureOrSrcSet,
) -> RequestBuilder {
let mut request =
@ -1523,12 +1523,13 @@ fn get_correct_referrerpolicy_from_raw_token(token: &DOMString) -> DOMString {
// so it should remain unchanged.
DOMString::new()
} else {
match determine_policy_for_token(token) {
Some(policy) => DOMString::from_string(policy.to_string()),
// If the policy is set to an incorrect value, then it should be
// treated as an invalid value default (empty string).
None => DOMString::new(),
let policy = determine_policy_for_token(token);
if policy == ReferrerPolicy::EmptyString {
return DOMString::new();
}
DOMString::from_string(policy.to_string())
}
}

8
components/script/dom/htmllinkelement.rs
View file

@ -76,7 +76,7 @@ struct LinkProcessingOptions {
integrity: String,
link_type: String,
cross_origin: Option<CorsSettings>,
referrer_policy: Option<ReferrerPolicy>,
referrer_policy: ReferrerPolicy,
policy_container: PolicyContainer,
source_set: Option<()>,
base_url: ServoUrl,
@ -502,12 +502,12 @@ impl StylesheetOwner for HTMLLinkElement {
self.parser_inserted.get()
}
fn referrer_policy(&self) -> Option<ReferrerPolicy> {
fn referrer_policy(&self) -> ReferrerPolicy {
if self.RelList().Contains("noreferrer".into()) {
return Some(ReferrerPolicy::NoReferrer);
return ReferrerPolicy::NoReferrer;
}
None
ReferrerPolicy::EmptyString
}
fn set_origin_clean(&self, origin_clean: bool) {

4
components/script/dom/htmlstyleelement.rs
View file

@ -266,8 +266,8 @@ impl StylesheetOwner for HTMLStyleElement {
self.parser_inserted.get()
}
fn referrer_policy(&self) -> Option<ReferrerPolicy> {
None
fn referrer_policy(&self) -> ReferrerPolicy {
ReferrerPolicy::EmptyString
}
fn set_origin_clean(&self, origin_clean: bool) {

1
components/script/dom/node.rs
View file

@ -2305,7 +2305,6 @@ impl Node {
DocumentSource::NotFromParser,
loader,
None,
None,
document.status_code(),
Default::default(),
can_gc,

11
components/script/dom/request.rs
View file

@ -267,7 +267,7 @@ impl RequestMethods for Request {
// Step 13.4
request.referrer = global.get_referrer();
// Step 13.5
request.referrer_policy = None;
request.referrer_policy = MsgReferrerPolicy::EmptyString;
}
// Step 14
@ -303,7 +303,7 @@ impl RequestMethods for Request {
// Step 15
if let Some(init_referrerpolicy) = init.referrerPolicy.as_ref() {
let init_referrer_policy = (*init_referrerpolicy).into();
request.referrer_policy = Some(init_referrer_policy);
request.referrer_policy = init_referrer_policy;
}
// Step 16
@ -564,11 +564,7 @@ impl RequestMethods for Request {
// https://fetch.spec.whatwg.org/#dom-request-referrerpolicy
fn ReferrerPolicy(&self) -> ReferrerPolicy {
self.request
.borrow()
.referrer_policy
.map(|m| m.into())
.unwrap_or(ReferrerPolicy::_empty)
self.request.borrow().referrer_policy.into()
}
// https://fetch.spec.whatwg.org/#dom-request-mode
@ -825,6 +821,7 @@ impl From<ReferrerPolicy> for MsgReferrerPolicy {
impl From<MsgReferrerPolicy> for ReferrerPolicy {
fn from(policy: MsgReferrerPolicy) -> Self {
match policy {
MsgReferrerPolicy::EmptyString => ReferrerPolicy::_empty,
MsgReferrerPolicy::NoReferrer => ReferrerPolicy::No_referrer,
MsgReferrerPolicy::NoReferrerWhenDowngrade => {
ReferrerPolicy::No_referrer_when_downgrade

1
components/script/dom/servoparser/mod.rs
View file

@ -215,7 +215,6 @@ impl ServoParser {
loader,
None,
None,
None,
Default::default(),
can_gc,
);

8
components/script/dom/servoparser/prefetch.rs
View file

@ -76,7 +76,7 @@ struct PrefetchSink {
#[no_trace]
referrer: Referrer,
#[no_trace]
referrer_policy: Option<ReferrerPolicy>,
referrer_policy: ReferrerPolicy,
#[no_trace]
resource_threads: ResourceThreads,
prefetching: Cell<bool>,
@ -203,10 +203,10 @@ impl PrefetchSink {
ServoUrl::parse_with_base(Some(base), &attr.value).ok()
}
fn get_referrer_policy(&self, tag: &Tag, name: LocalName) -> Option<ReferrerPolicy> {
fn get_referrer_policy(&self, tag: &Tag, name: LocalName) -> ReferrerPolicy {
self.get_attr(tag, name)
.and_then(|attr| determine_policy_for_token(&attr.value))
.or(self.referrer_policy)
.map(|attr| determine_policy_for_token(&attr.value))
.unwrap_or(self.referrer_policy)
}
fn get_cors_settings(&self, tag: &Tag, name: LocalName) -> Option<CorsSettings> {

3
components/script/dom/workerglobalscope.rs
View file

@ -277,8 +277,7 @@ impl WorkerGlobalScopeMethods for WorkerGlobalScope {
.parser_metadata(ParserMetadata::NotParserInserted)
.use_url_credentials(true)
.origin(global_scope.origin().immutable().clone())
.pipeline_id(Some(self.upcast::<GlobalScope>().pipeline_id()))
.referrer_policy(None);
.pipeline_id(Some(self.upcast::<GlobalScope>().pipeline_id()));
let (url, source) = match fetch::load_whole_resource(
request,

1
components/script/dom/xmldocument.rs
View file

@ -55,7 +55,6 @@ impl XMLDocument {
doc_loader,
None,
None,
None,
Default::default(),
),
}

3
components/script/dom/xmlhttprequest.rs
View file

@ -168,7 +168,7 @@ pub struct XMLHttpRequest {
#[no_trace]
referrer: Referrer,
#[no_trace]
referrer_policy: Option<ReferrerPolicy>,
referrer_policy: ReferrerPolicy,
canceller: DomRefCell<FetchCanceller>,
}
@ -1533,7 +1533,6 @@ impl XMLHttpRequest {
docloader,
None,
None,
None,
Default::default(),
can_gc,
)

19
components/script/script_module.rs
View file

@ -12,6 +12,7 @@ use std::sync::{Arc, Mutex};
use std::{mem, ptr};
use encoding_rs::UTF_8;
use headers::{HeaderMapExt, ReferrerPolicy as ReferrerPolicyHeader};
use html5ever::local_name;
use hyper_serde::Serde;
use indexmap::IndexSet;
@ -1189,6 +1190,19 @@ impl FetchResponseListener for ModuleContext {
return Err(NetworkError::Internal("No MIME type".into()));
}
// Step 13.4: Let referrerPolicy be the result of parsing the `Referrer-Policy` header
// given response.
let referrer_policy = meta
.headers
.and_then(|headers| headers.typed_get::<ReferrerPolicyHeader>())
.into();
// Step 13.5: If referrerPolicy is not the empty string, set options's referrer policy
// to referrerPolicy.
if referrer_policy != ReferrerPolicy::EmptyString {
self.options.referrer_policy = referrer_policy;
}
// Step 10.
let (source_text, _, _) = UTF_8.decode(&self.data);
Ok(ScriptOrigin::external(
@ -1364,7 +1378,7 @@ pub struct ScriptFetchOptions {
#[no_trace]
pub parser_metadata: ParserMetadata,
#[no_trace]
pub referrer_policy: Option<ReferrerPolicy>,
pub referrer_policy: ReferrerPolicy,
}
impl ScriptFetchOptions {
@ -1376,7 +1390,7 @@ impl ScriptFetchOptions {
referrer: global.get_referrer(),
parser_metadata: ParserMetadata::NotParserInserted,
credentials_mode: CredentialsMode::CredentialsSameOrigin,
referrer_policy: None,
referrer_policy: ReferrerPolicy::EmptyString,
}
}
@ -1741,6 +1755,7 @@ fn fetch_single_module_script(
.parser_metadata(options.parser_metadata)
.integrity_metadata(options.integrity_metadata.clone())
.credentials_mode(options.credentials_mode)
.referrer_policy(options.referrer_policy)
.mode(mode);
let context = Arc::new(Mutex::new(ModuleContext {

17
components/script/script_thread.rs
View file

@ -69,7 +69,7 @@ use net_traits::request::{
};
use net_traits::storage_thread::StorageType;
use net_traits::{
FetchMetadata, FetchResponseListener, FetchResponseMsg, Metadata, NetworkError, ReferrerPolicy,
FetchMetadata, FetchResponseListener, FetchResponseMsg, Metadata, NetworkError,
ResourceFetchTiming, ResourceThreads, ResourceTimingType,
};
use percent_encoding::percent_decode;
@ -3822,12 +3822,6 @@ impl ScriptThread {
.as_ref()
.map(|referrer| referrer.clone().into_string());
let referrer_policy = metadata
.headers
.as_deref()
.and_then(|h| h.typed_get::<ReferrerPolicyHeader>())
.map(ReferrerPolicy::from);
let document = Document::new(
&window,
HasBrowsingContext::Yes,
@ -3840,11 +3834,18 @@ impl ScriptThread {
DocumentSource::FromParser,
loader,
referrer,
referrer_policy,
Some(metadata.status.raw_code()),
incomplete.canceller,
can_gc,
);
let referrer_policy = metadata
.headers
.as_deref()
.and_then(|h| h.typed_get::<ReferrerPolicyHeader>())
.into();
document.set_referrer_policy(referrer_policy);
document.set_ready_state(DocumentReadyState::Loading, can_gc);
self.documents

11
components/script/stylesheet_loader.rs
View file

@ -52,9 +52,8 @@ pub trait StylesheetOwner {
/// trigger a document-load-blocking load).
fn parser_inserted(&self) -> bool;
/// Which referrer policy should loads triggered by this owner follow, or
/// `None` for the default.
fn referrer_policy(&self) -> Option<ReferrerPolicy>;
/// Which referrer policy should loads triggered by this owner follow
fn referrer_policy(&self) -> ReferrerPolicy;
/// Notes that a new load is pending to finish.
fn increment_pending_loads_count(&self);
@ -335,9 +334,7 @@ impl<'a> StylesheetLoader<'a> {
.upcast::<Element>()
.as_stylesheet_owner()
.expect("Stylesheet not loaded by <style> or <link> element!");
let referrer_policy = owner
.referrer_policy()
.or_else(|| document.get_referrer_policy());
let referrer_policy = owner.referrer_policy();
owner.increment_pending_loads_count();
if owner.parser_inserted() {
document.increment_script_blocking_stylesheet_count();
@ -366,7 +363,7 @@ pub(crate) fn stylesheet_fetch_request(
origin: ImmutableOrigin,
pipeline_id: PipelineId,
referrer: Referrer,
referrer_policy: Option<ReferrerPolicy>,
referrer_policy: ReferrerPolicy,
integrity_metadata: String,
) -> RequestBuilder {
create_a_potential_cors_request(url, Destination::Style, cors_setting, None, referrer)