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Inherit CSP for blob workers (#38033)

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Workers created from Blobs inherit their CSP. Now we inherit the CSP and
set the correct base API url. The base API url should be used when
determining the
report-uri endpoint. Otherwise, the blob URL would be used as a base,
which is invalid and the report wouldn't be sent.

Also create a helper method to concatenate two optionals of CSPList,
which was used in several places.

Part of #4577

Signed-off-by: Tim van der Lippe <tvanderlippe@gmail.com>
This commit is contained in:
Tim van der Lippe 2025-07-17 10:14:20 +02:00 • committed by GitHub
parent 439cb00e31
commit 18d1a62add
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GPG key ID: B5690EEEBB952194
27 changed files with 116 additions and 236 deletions
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19
components/script/dom/servoparser/mod.rs
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@ -56,7 +56,7 @@ use crate::dom::bindings::settings_stack::is_execution_stack_empty;
use crate::dom::bindings::str::{DOMString, USVString};
use crate::dom::characterdata::CharacterData;
use crate::dom::comment::Comment;
use crate::dom::csp::{GlobalCspReporting, Violation, parse_csp_list_from_metadata};
use crate::dom::csp::{CspReporting, GlobalCspReporting, Violation, parse_csp_list_from_metadata};
use crate::dom::document::{Document, DocumentSource, HasBrowsingContext, IsHTMLDocument};
use crate::dom::documentfragment::DocumentFragment;
use crate::dom::documenttype::DocumentType;
@ -860,21 +860,14 @@ impl ParserContext {
let Some(policy_container) = policy_container else {
return;
};
let Some(parent_csp_list) = &policy_container.csp_list else {
return;
};
let Some(parser) = self.parser.as_ref().map(|p| p.root()) else {
return;
};
let new_csp_list = match parser.document.get_csp_list() {
None => parent_csp_list.clone(),
Some(original_csp_list) => {
let mut appended_csp_list = original_csp_list.clone();
appended_csp_list.append(parent_csp_list.clone());
appended_csp_list.to_owned()
},
};
parser.document.set_csp_list(Some(new_csp_list));
let new_csp_list = parser
.document
.get_csp_list()
.concatenate(policy_container.csp_list.clone());
parser.document.set_csp_list(new_csp_list);
}
}