Issue #2402 - Factor out code to set WorkerPrivate CSP from headers. https://bugzilla.mozilla.org/show_bug.cgi?id=1337543

This commit is contained in:
Brian Smith 2024-01-05 00:30:01 -06:00 committed by roytam1
commit 37d4df19a8
3 changed files with 58 additions and 42 deletions

View file

@ -58,6 +58,7 @@
#include "mozilla/dom/MessageEventBinding.h"
#include "mozilla/dom/MessagePort.h"
#include "mozilla/dom/MessagePortBinding.h"
#include "mozilla/dom/nsCSPUtils.h"
#include "mozilla/dom/Performance.h"
#include "mozilla/dom/PMessagePort.h"
#include "mozilla/dom/Promise.h"
@ -2382,6 +2383,56 @@ WorkerPrivateParent<Derived>::GetDocument() const
return nullptr;
}
template <class Derived>
nsresult
WorkerPrivateParent<Derived>::SetCSPFromHeaderValues(const nsACString& aCSPHeaderValue,
const nsACString& aCSPReportOnlyHeaderValue)
{
AssertIsOnMainThread();
MOZ_DIAGNOSTIC_ASSERT(!mLoadInfo.mCSP);
NS_ConvertASCIItoUTF16 cspHeaderValue(aCSPHeaderValue);
NS_ConvertASCIItoUTF16 cspROHeaderValue(aCSPReportOnlyHeaderValue);
nsCOMPtr<nsIContentSecurityPolicy> csp;
nsresult rv = mLoadInfo.mPrincipal->EnsureCSP(nullptr, getter_AddRefs(csp));
if (!csp) {
return NS_OK;
}
// If there's a CSP header, apply it.
if (!cspHeaderValue.IsEmpty()) {
rv = CSP_AppendCSPFromHeader(csp, cspHeaderValue, false);
NS_ENSURE_SUCCESS(rv, rv);
}
// If there's a report-only CSP header, apply it.
if (!cspROHeaderValue.IsEmpty()) {
rv = CSP_AppendCSPFromHeader(csp, cspROHeaderValue, true);
NS_ENSURE_SUCCESS(rv, rv);
}
// Set evalAllowed, default value is set in GetAllowsEval
bool evalAllowed = false;
bool reportEvalViolations = false;
rv = csp->GetAllowsEval(&reportEvalViolations, &evalAllowed);
NS_ENSURE_SUCCESS(rv, rv);
// Set ReferrerPolicy, default value is set in GetReferrerPolicy
bool hasReferrerPolicy = false;
uint32_t rp = mozilla::net::RP_Unset;
rv = csp->GetReferrerPolicy(&rp, &hasReferrerPolicy);
NS_ENSURE_SUCCESS(rv, rv);
mLoadInfo.mCSP = csp;
mLoadInfo.mEvalAllowed = evalAllowed;
mLoadInfo.mReportCSPViolations = reportEvalViolations;
if (hasReferrerPolicy) {
mLoadInfo.mReferrerPolicy = static_cast<net::ReferrerPolicy>(rp);
}
return NS_OK;
}
// Can't use NS_IMPL_CYCLE_COLLECTION_CLASS(WorkerPrivateParent) because of the
// templates.