Vector<Action> ContentExtensionsBackend::actionsForResourceLoad(const ResourceLoadInfo& resourceLoadInfo) const
{
#if CONTENT_EXTENSIONS_PERFORMANCE_REPORTING
double addedTimeStart = monotonicallyIncreasingTime();
#endif
if (resourceLoadInfo.resourceURL.protocolIsData())
return Vector<Action>();
const String& urlString = resourceLoadInfo.resourceURL.string();
ASSERT_WITH_MESSAGE(urlString.containsOnlyASCII(), "A decoded URL should only contain ASCII characters. The matching algorithm assumes the input is ASCII.");
const CString& urlCString = urlString.utf8();
Vector<Action> finalActions;
ResourceFlags flags = resourceLoadInfo.getResourceFlags();
for (auto& contentExtension : m_contentExtensions.values()) {
RELEASE_ASSERT(contentExtension);
const CompiledContentExtension& compiledExtension = contentExtension->compiledExtension();
DFABytecodeInterpreter withoutDomainsInterpreter(compiledExtension.filtersWithoutDomainsBytecode(), compiledExtension.filtersWithoutDomainsBytecodeLength());
DFABytecodeInterpreter::Actions withoutDomainsActions = withoutDomainsInterpreter.interpret(urlCString, flags);
String domain = resourceLoadInfo.mainDocumentURL.host();
DFABytecodeInterpreter withDomainsInterpreter(compiledExtension.filtersWithDomainsBytecode(), compiledExtension.filtersWithDomainsBytecodeLength());
DFABytecodeInterpreter::Actions withDomainsActions = withDomainsInterpreter.interpretWithDomains(urlCString, flags, contentExtension->cachedDomainActions(domain));
const SerializedActionByte* actions = compiledExtension.actions();
const unsigned actionsLength = compiledExtension.actionsLength();
bool sawIgnorePreviousRules = false;
const Vector<uint32_t>& universalWithDomains = contentExtension->universalActionsWithDomains(domain);
const Vector<uint32_t>& universalWithoutDomains = contentExtension->universalActionsWithoutDomains();
if (!withoutDomainsActions.isEmpty() || !withDomainsActions.isEmpty() || !universalWithDomains.isEmpty() || !universalWithoutDomains.isEmpty()) {
Vector<uint32_t> actionLocations;
actionLocations.reserveInitialCapacity(withoutDomainsActions.size() + withDomainsActions.size() + universalWithoutDomains.size() + universalWithDomains.size());
for (uint64_t actionLocation : withoutDomainsActions)
actionLocations.uncheckedAppend(static_cast<uint32_t>(actionLocation));
for (uint64_t actionLocation : withDomainsActions)
actionLocations.uncheckedAppend(static_cast<uint32_t>(actionLocation));
for (uint32_t actionLocation : universalWithoutDomains)
actionLocations.uncheckedAppend(actionLocation);
for (uint32_t actionLocation : universalWithDomains)
actionLocations.uncheckedAppend(actionLocation);
std::sort(actionLocations.begin(), actionLocations.end());
// Add actions in reverse order to properly deal with IgnorePreviousRules.
for (unsigned i = actionLocations.size(); i; i--) {
Action action = Action::deserialize(actions, actionsLength, actionLocations[i - 1]);
action.setExtensionIdentifier(contentExtension->identifier());
if (action.type() == ActionType::IgnorePreviousRules) {
sawIgnorePreviousRules = true;
break;
}
finalActions.append(action);
}
}
if (!sawIgnorePreviousRules) {
finalActions.append(Action(ActionType::CSSDisplayNoneStyleSheet, contentExtension->identifier()));
finalActions.last().setExtensionIdentifier(contentExtension->identifier());
}
}
#if CONTENT_EXTENSIONS_PERFORMANCE_REPORTING
double addedTimeEnd = monotonicallyIncreasingTime();
dataLogF("Time added: %f microseconds %s \n", (addedTimeEnd - addedTimeStart) * 1.0e6, resourceLoadInfo.resourceURL.string().utf8().data());
#endif
return finalActions;
}
Vector<Action> ContentExtensionsBackend::actionsForResourceLoad(const ResourceLoadInfo& resourceLoadInfo) const
{
#if CONTENT_EXTENSIONS_PERFORMANCE_REPORTING
double addedTimeStart = monotonicallyIncreasingTime();
#endif
if (resourceLoadInfo.resourceURL.protocolIsData())
return Vector<Action>();
const String& urlString = resourceLoadInfo.resourceURL.string();
ASSERT_WITH_MESSAGE(urlString.containsOnlyASCII(), "A decoded URL should only contain ASCII characters. The matching algorithm assumes the input is ASCII.");
const CString& urlCString = urlString.utf8();
Vector<Action> finalActions;
ResourceFlags flags = resourceLoadInfo.getResourceFlags();
for (auto& contentExtension : m_contentExtensions.values()) {
RELEASE_ASSERT(contentExtension);
const CompiledContentExtension& compiledExtension = contentExtension->compiledExtension();
// FIXME: These should use a different Vector<bool> to keep track of which memory pages are used when doing memory reporting. Or just remove the memory reporting completely.
DFABytecodeInterpreter withoutDomainsInterpreter(compiledExtension.filtersWithoutDomainsBytecode(), compiledExtension.filtersWithoutDomainsBytecodeLength(), contentExtension->m_pagesUsed);
DFABytecodeInterpreter::Actions triggeredActions = withoutDomainsInterpreter.interpret(urlCString, flags);
// Check to see if there are any actions triggered with if- or unless-domain and check the domain if there are.
DFABytecodeInterpreter withDomainsInterpreter(compiledExtension.filtersWithDomainsBytecode(), compiledExtension.filtersWithDomainsBytecodeLength(), contentExtension->m_pagesUsed);
DFABytecodeInterpreter::Actions withDomainsPossibleActions = withDomainsInterpreter.interpret(urlCString, flags);
if (!withDomainsPossibleActions.isEmpty()) {
DFABytecodeInterpreter domainsInterpreter(compiledExtension.domainFiltersBytecode(), compiledExtension.domainFiltersBytecodeLength(), contentExtension->m_pagesUsed);
DFABytecodeInterpreter::Actions domainsActions = domainsInterpreter.interpret(resourceLoadInfo.mainDocumentURL.host().utf8(), flags);
DFABytecodeInterpreter::Actions ifDomainActions;
DFABytecodeInterpreter::Actions unlessDomainActions;
for (uint64_t action : domainsActions) {
if (action & IfDomainFlag)
ifDomainActions.add(action);
else
unlessDomainActions.add(action);
}
for (uint64_t action : withDomainsPossibleActions) {
if (ifDomainActions.contains(action)) {
// If an if-domain trigger matches, add the action.
ASSERT(action & IfDomainFlag);
triggeredActions.add(action & ~IfDomainFlag);
} else if (!(action & IfDomainFlag) && !unlessDomainActions.contains(action)) {
// If this action did not need an if-domain, it must have been an unless-domain rule.
// Add the action unless it matched an unless-domain trigger.
triggeredActions.add(action);
}
}
}
const SerializedActionByte* actions = compiledExtension.actions();
const unsigned actionsLength = compiledExtension.actionsLength();
bool sawIgnorePreviousRules = false;
if (!triggeredActions.isEmpty()) {
Vector<unsigned> actionLocations;
actionLocations.reserveInitialCapacity(triggeredActions.size());
for (auto actionLocation : triggeredActions)
actionLocations.append(static_cast<unsigned>(actionLocation));
std::sort(actionLocations.begin(), actionLocations.end());
// Add actions in reverse order to properly deal with IgnorePreviousRules.
for (unsigned i = actionLocations.size(); i; i--) {
Action action = Action::deserialize(actions, actionsLength, actionLocations[i - 1]);
action.setExtensionIdentifier(contentExtension->identifier());
if (action.type() == ActionType::IgnorePreviousRules) {
sawIgnorePreviousRules = true;
break;
}
finalActions.append(action);
}
}
if (!sawIgnorePreviousRules) {
finalActions.append(Action(ActionType::CSSDisplayNoneStyleSheet, contentExtension->identifier()));
finalActions.last().setExtensionIdentifier(contentExtension->identifier());
}
}
#if CONTENT_EXTENSIONS_PERFORMANCE_REPORTING
double addedTimeEnd = monotonicallyIncreasingTime();
WTFLogAlways("Time added: %f microseconds %s", (addedTimeEnd - addedTimeStart) * 1.0e6, resourceLoadInfo.resourceURL.string().utf8().data());
#endif
return finalActions;
}
Vector<Action> ContentExtensionsBackend::actionsForResourceLoad(const ResourceLoadInfo& resourceLoadInfo) const
{
#if CONTENT_EXTENSIONS_PERFORMANCE_REPORTING
double addedTimeStart = monotonicallyIncreasingTime();
#endif
if (resourceLoadInfo.resourceURL.protocolIsData())
return Vector<Action>();
const String& urlString = resourceLoadInfo.resourceURL.string();
ASSERT_WITH_MESSAGE(urlString.containsOnlyASCII(), "A decoded URL should only contain ASCII characters. The matching algorithm assumes the input is ASCII.");
const CString& urlCString = urlString.utf8();
Vector<Action> finalActions;
ResourceFlags flags = resourceLoadInfo.getResourceFlags();
for (auto& contentExtension : m_contentExtensions.values()) {
RELEASE_ASSERT(contentExtension);
const CompiledContentExtension& compiledExtension = contentExtension->compiledExtension();
DFABytecodeInterpreter interpreter(compiledExtension.bytecode(), compiledExtension.bytecodeLength(), contentExtension->m_pagesUsed);
DFABytecodeInterpreter::Actions triggeredActions = interpreter.interpret(urlCString, flags);
const SerializedActionByte* actions = compiledExtension.actions();
const unsigned actionsLength = compiledExtension.actionsLength();
bool sawIgnorePreviousRules = false;
if (!triggeredActions.isEmpty()) {
Vector<unsigned> actionLocations;
actionLocations.reserveInitialCapacity(triggeredActions.size());
for (auto actionLocation : triggeredActions)
actionLocations.append(static_cast<unsigned>(actionLocation));
std::sort(actionLocations.begin(), actionLocations.end());
// Add actions in reverse order to properly deal with IgnorePreviousRules.
for (unsigned i = actionLocations.size(); i; i--) {
Action action = Action::deserialize(actions, actionsLength, actionLocations[i - 1]);
action.setExtensionIdentifier(contentExtension->identifier());
if (action.type() == ActionType::IgnorePreviousRules) {
sawIgnorePreviousRules = true;
break;
}
finalActions.append(action);
}
}
if (!sawIgnorePreviousRules) {
DFABytecodeInterpreter::Actions universalActions = interpreter.actionsFromDFARoot();
for (auto actionLocation : universalActions) {
Action action = Action::deserialize(actions, actionsLength, static_cast<unsigned>(actionLocation));
action.setExtensionIdentifier(contentExtension->identifier());
// CSS selectors were already compiled into a stylesheet using globalDisplayNoneSelectors.
if (action.type() != ActionType::CSSDisplayNoneSelector)
finalActions.append(action);
}
finalActions.append(Action(ActionType::CSSDisplayNoneStyleSheet, contentExtension->identifier()));
finalActions.last().setExtensionIdentifier(contentExtension->identifier());
}
}
#if CONTENT_EXTENSIONS_PERFORMANCE_REPORTING
double addedTimeEnd = monotonicallyIncreasingTime();
WTFLogAlways("Time added: %f microseconds %s", (addedTimeEnd - addedTimeStart) * 1.0e6, resourceLoadInfo.resourceURL.string().utf8().data());
#endif
return finalActions;
}