Issue #618 - Split SRI verification out from OnStreamComplete.

This commit is contained in:
Moonchild 2020-08-22 09:51:42 +00:00 • committed by Roy Tam
commit 6c7ac2b844
2 changed files with 35 additions and 19 deletions

View file

@ -2241,19 +2241,41 @@ ScriptLoader::OnStreamComplete(nsIIncrementalStreamLoader* aLoader,
nsresult aChannelStatus,
nsresult aSRIStatus,
mozilla::Vector<char16_t> &aString,
mozilla::dom::SRICheckDataVerifier* aSRIDataVerifier)
SRICheckDataVerifier* aSRIDataVerifier)
{
ScriptLoadRequest* request = static_cast<ScriptLoadRequest*>(aContext);
NS_ASSERTION(request, "null request in stream complete handler");
NS_ENSURE_TRUE(request, NS_ERROR_FAILURE);
nsresult rv = VerifySRI(request, aLoader, aSRIStatus, aSRIDataVerifier);
if (NS_SUCCEEDED(rv)) {
rv = PrepareLoadedRequest(request, aLoader, aChannelStatus, aString);
}
if (NS_FAILED(rv)) {
HandleLoadError(request, rv);
}
// Process our request and/or any pending ones
ProcessPendingRequests();
return NS_OK;
}
nsresult
ScriptLoader::VerifySRI(ScriptLoadRequest* aRequest,
nsIIncrementalStreamLoader* aLoader,
nsresult aSRIStatus,
SRICheckDataVerifier* aSRIDataVerifier) const
{
nsCOMPtr<nsIRequest> channelRequest;
aLoader->GetRequest(getter_AddRefs(channelRequest));
nsCOMPtr<nsIChannel> channel;
channel = do_QueryInterface(channelRequest);
nsresult rv = NS_OK;
if (!request->mIntegrity.IsEmpty() &&
if (!aRequest->mIntegrity.IsEmpty() &&
NS_SUCCEEDED((rv = aSRIStatus))) {
MOZ_ASSERT(aSRIDataVerifier);
MOZ_ASSERT(mReporter);
@ -2262,7 +2284,7 @@ ScriptLoader::OnStreamComplete(nsIIncrementalStreamLoader* aLoader,
if (mDocument && mDocument->GetDocumentURI()) {
mDocument->GetDocumentURI()->GetAsciiSpec(sourceUri);
}
rv = aSRIDataVerifier->Verify(request->mIntegrity, channel, sourceUri,
rv = aSRIDataVerifier->Verify(aRequest->mIntegrity, channel, sourceUri,
mReporter);
mReporter->FlushConsoleReports(mDocument);
if (NS_FAILED(rv)) {
@ -2278,7 +2300,7 @@ ScriptLoader::OnStreamComplete(nsIIncrementalStreamLoader* aLoader,
loadInfo->LoadingPrincipal()->GetCsp(getter_AddRefs(csp));
nsAutoCString violationURISpec;
mDocument->GetDocumentURI()->GetAsciiSpec(violationURISpec);
uint32_t lineNo = request->mElement ? request->mElement->GetScriptLineNumber() : 0;
uint32_t lineNo = aRequest->mElement ? aRequest->mElement->GetScriptLineNumber() : 0;
csp->LogViolationDetails(
nsIContentSecurityPolicy::VIOLATION_TYPE_REQUIRE_SRI_FOR_SCRIPT,
NS_ConvertUTF8toUTF16(violationURISpec),
@ -2286,19 +2308,8 @@ ScriptLoader::OnStreamComplete(nsIIncrementalStreamLoader* aLoader,
rv = NS_ERROR_SRI_CORRUPT;
}
}
if (NS_SUCCEEDED(rv)) {
rv = PrepareLoadedRequest(request, aLoader, aChannelStatus, aString);
}
if (NS_FAILED(rv)) {
HandleLoadError(request, rv);
}
// Process our request and/or any pending ones
ProcessPendingRequests();
return NS_OK;
return rv;
}
void

View file

@ -407,8 +407,6 @@ public:
mozilla::Vector<char16_t> &aString,
mozilla::dom::SRICheckDataVerifier* aSRIDataVerifier);
void HandleLoadError(ScriptLoadRequest *aRequest, nsresult aResult);
/**
* Processes any pending requests that are ready for processing.
*/
@ -510,6 +508,8 @@ private:
nsresult StartLoad(ScriptLoadRequest *aRequest, const nsAString &aType,
bool aScriptFromHead);
void HandleLoadError(ScriptLoadRequest *aRequest, nsresult aResult);
/**
* Process any pending requests asynchronously (i.e. off an event) if there
* are any. Note that this is a no-op if there aren't any currently pending
@ -544,6 +544,11 @@ private:
return mEnabled && !mBlockerCount;
}
nsresult VerifySRI(ScriptLoadRequest *aRequest,
nsIIncrementalStreamLoader* aLoader,
nsresult aSRIStatus,
SRICheckDataVerifier* aSRIDataVerifier) const;
nsresult AttemptAsyncScriptCompile(ScriptLoadRequest* aRequest);
nsresult ProcessRequest(ScriptLoadRequest* aRequest);
nsresult CompileOffThreadOrProcessRequest(ScriptLoadRequest* aRequest);