Source/WebKit/WebProcess/InjectedBundle/mac/InjectedBundleMac.mm - WebKit - Git at Google

 /*
  * Copyright (C) 2010-2020 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  * THE POSSIBILITY OF SUCH DAMAGE.
  */

 #import "config.h"
 #import "InjectedBundle.h"

 #import "APIArray.h"
 #import "APIData.h"
 #import "ObjCObjectGraph.h"
 #import "WKBrowsingContextHandle.h"
 #import "WKBundleAPICast.h"
 #import "WKBundleInitialize.h"
 #import "WKWebProcessBundleParameters.h"
 #import "WKWebProcessPlugInInternal.h"
 #import "WebProcessCreationParameters.h"
 #import <CoreFoundation/CFURL.h>
 #import <Foundation/NSBundle.h>
 #import <WebCore/PlatformKeyboardEvent.h>
 #import <dlfcn.h>
 #import <objc/runtime.h>
 #import <stdio.h>
 #import <wtf/RetainPtr.h>
 #import <wtf/text/CString.h>
 #import <wtf/text/WTFString.h>

 @interface NSBundle (WKAppDetails)
 - (CFBundleRef)_cfBundle;
 @end

 namespace WebKit {
 using namespace WebCore;

 #if PLATFORM(MAC)
 static NSEventModifierFlags currentModifierFlags(id self, SEL _cmd)
 {
     auto currentModifiers = PlatformKeyboardEvent::currentStateOfModifierKeys();
     NSEventModifierFlags modifiers = 0;

     if (currentModifiers.contains(PlatformEvent::Modifier::ShiftKey))
         modifiers |= NSEventModifierFlagShift;
     if (currentModifiers.contains(PlatformEvent::Modifier::ControlKey))
         modifiers |= NSEventModifierFlagControl;
     if (currentModifiers.contains(PlatformEvent::Modifier::AltKey))
         modifiers |= NSEventModifierFlagOption;
     if (currentModifiers.contains(PlatformEvent::Modifier::MetaKey))
         modifiers |= NSEventModifierFlagCommand;
     if (currentModifiers.contains(PlatformEvent::Modifier::CapsLockKey))
         modifiers |= NSEventModifierFlagCapsLock;

     return modifiers;
 }
 #endif

 static RetainPtr<NSKeyedUnarchiver> createUnarchiver(const unsigned char* bytes, NSUInteger length)
 {
     auto data = adoptNS([[NSData alloc] initWithBytesNoCopy:const_cast<unsigned char*>(bytes) length:length freeWhenDone:NO]);
     auto unarchiver = adoptNS([[NSKeyedUnarchiver alloc] initForReadingFromData:data.get() error:nullptr]);
     unarchiver.get().decodingFailurePolicy = NSDecodingFailurePolicyRaiseException;
     return unarchiver;
 }

 static RetainPtr<NSKeyedUnarchiver> createUnarchiver(const API::Data& data)
 {
     return createUnarchiver(data.bytes(), data.size());
 }

 static RetainPtr<NSKeyedUnarchiver> createUnarchiver(const IPC::DataReference& data)
 {
     return createUnarchiver(data.data(), data.size());
 }

 bool InjectedBundle::decodeBundleParameters(API::Data* bundleParameterDataPtr)
 {
     if (!bundleParameterDataPtr)
         return true;

     auto unarchiver = createUnarchiver(*bundleParameterDataPtr);

     NSDictionary *dictionary = nil;
     @try {
         dictionary = [unarchiver.get() decodeObjectOfClasses:classesForCoder() forKey:@"parameters"];
         if (![dictionary isKindOfClass:[NSDictionary class]]) {
             WTFLogAlways("InjectedBundle::decodeBundleParameters failed - Resulting object was not an NSDictionary.\n");
             return false;
         }
     } @catch (NSException *exception) {
         LOG_ERROR("InjectedBundle::decodeBundleParameters failed to decode bundle parameters: %@." , exception);
         return false;
     }

     ASSERT(!m_bundleParameters || m_bundleParameters.get());
     m_bundleParameters = adoptNS([[WKWebProcessBundleParameters alloc] initWithDictionary:dictionary]);
     return true;
 }

 bool InjectedBundle::initialize(const WebProcessCreationParameters& parameters, API::Object* initializationUserData)
 {
     if (auto sandboxExtension = std::exchange(m_sandboxExtension, nullptr)) {
         if (!sandboxExtension->consumePermanently()) {
             WTFLogAlways("InjectedBundle::load failed - Could not consume bundle sandbox extension for [%s].\n", m_path.utf8().data());
             return false;
         }
     }

     m_platformBundle = [[NSBundle alloc] initWithPath:m_path];
     if (!m_platformBundle) {
         WTFLogAlways("InjectedBundle::load failed - Could not create the bundle.\n");
         return false;
     }

     WKBundleAdditionalClassesForParameterCoderFunctionPtr additionalClassesForParameterCoderFunction = nullptr;
     WKBundleInitializeFunctionPtr initializeFunction = nullptr;
     if (NSString *executablePath = m_platformBundle.executablePath) {
         if (dlopen_preflight(executablePath.fileSystemRepresentation)) {
             // We don't hold onto this handle anywhere more permanent since we never dlclose.
             if (void* handle = dlopen(executablePath.fileSystemRepresentation, RTLD_LAZY | RTLD_GLOBAL | RTLD_FIRST)) {
                 additionalClassesForParameterCoderFunction = bitwise_cast<WKBundleAdditionalClassesForParameterCoderFunctionPtr>(dlsym(handle, "WKBundleAdditionalClassesForParameterCoder"));
                 initializeFunction = bitwise_cast<WKBundleInitializeFunctionPtr>(dlsym(handle, "WKBundleInitialize"));
             }
         }
     }

     if (!initializeFunction) {
         NSError *error;
         if (![m_platformBundle preflightAndReturnError:&error]) {
             NSLog(@"InjectedBundle::load failed - preflightAndReturnError failed, error: %@", error);
             return nil;
         }
         if (![m_platformBundle loadAndReturnError:&error]) {
             NSLog(@"InjectedBundle::load failed - loadAndReturnError failed, error: %@", error);
             return false;
         }
         initializeFunction = bitwise_cast<WKBundleInitializeFunctionPtr>(CFBundleGetFunctionPointerForName([m_platformBundle _cfBundle], CFSTR("WKBundleInitialize")));
     }

     if (!additionalClassesForParameterCoderFunction)
         additionalClassesForParameterCoderFunction = bitwise_cast<WKBundleAdditionalClassesForParameterCoderFunctionPtr>(CFBundleGetFunctionPointerForName([m_platformBundle _cfBundle], CFSTR("WKBundleAdditionalClassesForParameterCoder")));

     // Update list of valid classes for the parameter coder
     if (additionalClassesForParameterCoderFunction)
         additionalClassesForParameterCoderFunction(toAPI(this), toAPI(initializationUserData));

 #if PLATFORM(MAC)
     // Swizzle [NSEvent modiferFlags], since it always returns 0 when the WindowServer is blocked.
     Method method = class_getClassMethod([NSEvent class], @selector(modifierFlags));
     method_setImplementation(method, reinterpret_cast<IMP>(currentModifierFlags));
 #endif

     // First check to see if the bundle has a WKBundleInitialize function.
     if (initializeFunction) {
         if (!decodeBundleParameters(parameters.bundleParameterData.get()))
             return false;
         initializeFunction(toAPI(this), toAPI(initializationUserData));
         return true;
     }

     // Otherwise, look to see if the bundle has a principal class
     Class principalClass = [m_platformBundle principalClass];
     if (!principalClass) {
         WTFLogAlways("InjectedBundle::load failed - No initialize function or principal class found in the bundle executable.\n");
         return false;
     }

     if (![principalClass conformsToProtocol:@protocol(WKWebProcessPlugIn)]) {
         WTFLogAlways("InjectedBundle::load failed - Principal class does not conform to the WKWebProcessPlugIn protocol.\n");
         return false;
     }

     auto instance = adoptNS((id <WKWebProcessPlugIn>)[(NSObject *)[principalClass alloc] init]);
     if (!instance) {
         WTFLogAlways("InjectedBundle::load failed - Could not initialize an instance of the principal class.\n");
         return false;
     }

     WKWebProcessPlugInController* plugInController = WebKit::wrapper(*this);
     [plugInController _setPrincipalClassInstance:instance.get()];

     if ([instance respondsToSelector:@selector(additionalClassesForParameterCoder)])
         [plugInController extendClassesForParameterCoder:[instance additionalClassesForParameterCoder]];

     if (!decodeBundleParameters(parameters.bundleParameterData.get()))
         return false;

     if ([instance respondsToSelector:@selector(webProcessPlugIn:initializeWithObject:)]) {
         RetainPtr<id> objCInitializationUserData;
         if (initializationUserData && initializationUserData->type() == API::Object::Type::ObjCObjectGraph)
             objCInitializationUserData = static_cast<ObjCObjectGraph*>(initializationUserData)->rootObject();
         [instance webProcessPlugIn:plugInController initializeWithObject:objCInitializationUserData.get()];
     }

     return true;
 }

 WKWebProcessBundleParameters *InjectedBundle::bundleParameters()
 {
     // We must not return nil even if no parameters are currently set, in order to allow the client
     // to use KVO.
     if (!m_bundleParameters)
         m_bundleParameters = adoptNS([[WKWebProcessBundleParameters alloc] initWithDictionary:@{ }]);

     return m_bundleParameters.get();
 }

 void InjectedBundle::extendClassesForParameterCoder(API::Array& classes)
 {
     size_t size = classes.size();

     auto mutableSet = adoptNS([classesForCoder() mutableCopy]);

     for (size_t i = 0; i < size; ++i) {
         API::String* classNameString = classes.at<API::String>(i);
         if (!classNameString) {
             WTFLogAlways("InjectedBundle::extendClassesForParameterCoder - No class provided as argument %d.\n", i);
             break;
         }

         CString className = classNameString->string().utf8();
         Class objectClass = objc_lookUpClass(className.data());
         if (!objectClass) {
             WTFLogAlways("InjectedBundle::extendClassesForParameterCoder - Class %s is not a valid Objective C class.\n", className.data());
             break;
         }

         [mutableSet.get() addObject:objectClass];
     }

     m_classesForCoder = mutableSet;
 }

 NSSet* InjectedBundle::classesForCoder()
 {
     if (!m_classesForCoder)
         m_classesForCoder = [NSSet setWithObjects:[NSArray class], [NSData class], [NSDate class], [NSDictionary class], [NSNull class], [NSNumber class], [NSSet class], [NSString class], [NSTimeZone class], [NSURL class], [NSUUID class], [WKBrowsingContextHandle class], nil];

     return m_classesForCoder.get();
 }

 void InjectedBundle::setBundleParameter(const String& key, const IPC::DataReference& value)
 {
     id parameter = nil;
     auto unarchiver = createUnarchiver(value);
     @try {
         parameter = [unarchiver decodeObjectOfClasses:classesForCoder() forKey:@"parameter"];
     } @catch (NSException *exception) {
         LOG_ERROR("Failed to decode bundle parameter: %@", exception);
         return;
     }

     if (!m_bundleParameters && parameter)
         m_bundleParameters = adoptNS([[WKWebProcessBundleParameters alloc] initWithDictionary:@{ }]);

     [m_bundleParameters setParameter:parameter forKey:key];
 }

 void InjectedBundle::setBundleParameters(const IPC::DataReference& value)
 {
     NSDictionary *parameters = nil;
     auto unarchiver = createUnarchiver(value);
     @try {
         parameters = [unarchiver decodeObjectOfClasses:classesForCoder() forKey:@"parameters"];
     } @catch (NSException *exception) {
         LOG_ERROR("Failed to decode bundle parameter: %@", exception);
     }

     if (!parameters)
         return;

     RELEASE_ASSERT_WITH_SECURITY_IMPLICATION([parameters isKindOfClass:[NSDictionary class]]);

     if (!m_bundleParameters) {
         m_bundleParameters = adoptNS([[WKWebProcessBundleParameters alloc] initWithDictionary:parameters]);
         return;
     }

     [m_bundleParameters setParametersForKeyWithDictionary:parameters];
 }

 } // namespace WebKit
	/*
	* Copyright (C) 2010-2020 Apple Inc. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	*
	* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	* THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#import "config.h"
	#import "InjectedBundle.h"

	#import "APIArray.h"
	#import "APIData.h"
	#import "ObjCObjectGraph.h"
	#import "WKBrowsingContextHandle.h"
	#import "WKBundleAPICast.h"
	#import "WKBundleInitialize.h"
	#import "WKWebProcessBundleParameters.h"
	#import "WKWebProcessPlugInInternal.h"
	#import "WebProcessCreationParameters.h"
	#import <CoreFoundation/CFURL.h>
	#import <Foundation/NSBundle.h>
	#import <WebCore/PlatformKeyboardEvent.h>
	#import <dlfcn.h>
	#import <objc/runtime.h>
	#import <stdio.h>
	#import <wtf/RetainPtr.h>
	#import <wtf/text/CString.h>
	#import <wtf/text/WTFString.h>

	@interface NSBundle (WKAppDetails)
	- (CFBundleRef)_cfBundle;
	@end

	namespace WebKit {
	using namespace WebCore;

	#if PLATFORM(MAC)
	static NSEventModifierFlags currentModifierFlags(id self, SEL _cmd)
	{
	auto currentModifiers = PlatformKeyboardEvent::currentStateOfModifierKeys();
	NSEventModifierFlags modifiers = 0;

	if (currentModifiers.contains(PlatformEvent::Modifier::ShiftKey))
	modifiers \|= NSEventModifierFlagShift;
	if (currentModifiers.contains(PlatformEvent::Modifier::ControlKey))
	modifiers \|= NSEventModifierFlagControl;
	if (currentModifiers.contains(PlatformEvent::Modifier::AltKey))
	modifiers \|= NSEventModifierFlagOption;
	if (currentModifiers.contains(PlatformEvent::Modifier::MetaKey))
	modifiers \|= NSEventModifierFlagCommand;
	if (currentModifiers.contains(PlatformEvent::Modifier::CapsLockKey))
	modifiers \|= NSEventModifierFlagCapsLock;

	return modifiers;
	}
	#endif

	static RetainPtr<NSKeyedUnarchiver> createUnarchiver(const unsigned char* bytes, NSUInteger length)
	{
	auto data = adoptNS([[NSData alloc] initWithBytesNoCopy:const_cast<unsigned char*>(bytes) length:length freeWhenDone:NO]);
	auto unarchiver = adoptNS([[NSKeyedUnarchiver alloc] initForReadingFromData:data.get() error:nullptr]);
	unarchiver.get().decodingFailurePolicy = NSDecodingFailurePolicyRaiseException;
	return unarchiver;
	}

	static RetainPtr<NSKeyedUnarchiver> createUnarchiver(const API::Data& data)
	{
	return createUnarchiver(data.bytes(), data.size());
	}

	static RetainPtr<NSKeyedUnarchiver> createUnarchiver(const IPC::DataReference& data)
	{
	return createUnarchiver(data.data(), data.size());
	}

	bool InjectedBundle::decodeBundleParameters(API::Data* bundleParameterDataPtr)
	{
	if (!bundleParameterDataPtr)
	return true;

	auto unarchiver = createUnarchiver(*bundleParameterDataPtr);

	NSDictionary *dictionary = nil;
	@try {
	dictionary = [unarchiver.get() decodeObjectOfClasses:classesForCoder() forKey:@"parameters"];
	if (![dictionary isKindOfClass:[NSDictionary class]]) {
	WTFLogAlways("InjectedBundle::decodeBundleParameters failed - Resulting object was not an NSDictionary.\n");
	return false;
	}
	} @catch (NSException *exception) {
	LOG_ERROR("InjectedBundle::decodeBundleParameters failed to decode bundle parameters: %@." , exception);
	return false;
	}

	ASSERT(!m_bundleParameters \|\| m_bundleParameters.get());
	m_bundleParameters = adoptNS([[WKWebProcessBundleParameters alloc] initWithDictionary:dictionary]);
	return true;
	}

	bool InjectedBundle::initialize(const WebProcessCreationParameters& parameters, API::Object* initializationUserData)
	{
	if (auto sandboxExtension = std::exchange(m_sandboxExtension, nullptr)) {
	if (!sandboxExtension->consumePermanently()) {
	WTFLogAlways("InjectedBundle::load failed - Could not consume bundle sandbox extension for [%s].\n", m_path.utf8().data());
	return false;
	}
	}

	m_platformBundle = [[NSBundle alloc] initWithPath:m_path];
	if (!m_platformBundle) {
	WTFLogAlways("InjectedBundle::load failed - Could not create the bundle.\n");
	return false;
	}

	WKBundleAdditionalClassesForParameterCoderFunctionPtr additionalClassesForParameterCoderFunction = nullptr;
	WKBundleInitializeFunctionPtr initializeFunction = nullptr;
	if (NSString *executablePath = m_platformBundle.executablePath) {
	if (dlopen_preflight(executablePath.fileSystemRepresentation)) {
	// We don't hold onto this handle anywhere more permanent since we never dlclose.
	if (void* handle = dlopen(executablePath.fileSystemRepresentation, RTLD_LAZY \| RTLD_GLOBAL \| RTLD_FIRST)) {
	additionalClassesForParameterCoderFunction = bitwise_cast<WKBundleAdditionalClassesForParameterCoderFunctionPtr>(dlsym(handle, "WKBundleAdditionalClassesForParameterCoder"));
	initializeFunction = bitwise_cast<WKBundleInitializeFunctionPtr>(dlsym(handle, "WKBundleInitialize"));
	}
	}
	}

	if (!initializeFunction) {
	NSError *error;
	if (![m_platformBundle preflightAndReturnError:&error]) {
	NSLog(@"InjectedBundle::load failed - preflightAndReturnError failed, error: %@", error);
	return nil;
	}
	if (![m_platformBundle loadAndReturnError:&error]) {
	NSLog(@"InjectedBundle::load failed - loadAndReturnError failed, error: %@", error);
	return false;
	}
	initializeFunction = bitwise_cast<WKBundleInitializeFunctionPtr>(CFBundleGetFunctionPointerForName([m_platformBundle _cfBundle], CFSTR("WKBundleInitialize")));
	}

	if (!additionalClassesForParameterCoderFunction)
	additionalClassesForParameterCoderFunction = bitwise_cast<WKBundleAdditionalClassesForParameterCoderFunctionPtr>(CFBundleGetFunctionPointerForName([m_platformBundle _cfBundle], CFSTR("WKBundleAdditionalClassesForParameterCoder")));

	// Update list of valid classes for the parameter coder
	if (additionalClassesForParameterCoderFunction)
	additionalClassesForParameterCoderFunction(toAPI(this), toAPI(initializationUserData));

	#if PLATFORM(MAC)
	// Swizzle [NSEvent modiferFlags], since it always returns 0 when the WindowServer is blocked.
	Method method = class_getClassMethod([NSEvent class], @selector(modifierFlags));
	method_setImplementation(method, reinterpret_cast<IMP>(currentModifierFlags));
	#endif

	// First check to see if the bundle has a WKBundleInitialize function.
	if (initializeFunction) {
	if (!decodeBundleParameters(parameters.bundleParameterData.get()))
	return false;
	initializeFunction(toAPI(this), toAPI(initializationUserData));
	return true;
	}

	// Otherwise, look to see if the bundle has a principal class
	Class principalClass = [m_platformBundle principalClass];
	if (!principalClass) {
	WTFLogAlways("InjectedBundle::load failed - No initialize function or principal class found in the bundle executable.\n");
	return false;
	}

	if (![principalClass conformsToProtocol:@protocol(WKWebProcessPlugIn)]) {
	WTFLogAlways("InjectedBundle::load failed - Principal class does not conform to the WKWebProcessPlugIn protocol.\n");
	return false;
	}

	auto instance = adoptNS((id <WKWebProcessPlugIn>)[(NSObject *)[principalClass alloc] init]);
	if (!instance) {
	WTFLogAlways("InjectedBundle::load failed - Could not initialize an instance of the principal class.\n");
	return false;
	}

	WKWebProcessPlugInController* plugInController = WebKit::wrapper(*this);
	[plugInController _setPrincipalClassInstance:instance.get()];

	if ([instance respondsToSelector:@selector(additionalClassesForParameterCoder)])
	[plugInController extendClassesForParameterCoder:[instance additionalClassesForParameterCoder]];

	if (!decodeBundleParameters(parameters.bundleParameterData.get()))
	return false;

	if ([instance respondsToSelector:@selector(webProcessPlugIn:initializeWithObject:)]) {
	RetainPtr<id> objCInitializationUserData;
	if (initializationUserData && initializationUserData->type() == API::Object::Type::ObjCObjectGraph)
	objCInitializationUserData = static_cast<ObjCObjectGraph*>(initializationUserData)->rootObject();
	[instance webProcessPlugIn:plugInController initializeWithObject:objCInitializationUserData.get()];
	}

	return true;
	}

	WKWebProcessBundleParameters *InjectedBundle::bundleParameters()
	{
	// We must not return nil even if no parameters are currently set, in order to allow the client
	// to use KVO.
	if (!m_bundleParameters)
	m_bundleParameters = adoptNS([[WKWebProcessBundleParameters alloc] initWithDictionary:@{ }]);

	return m_bundleParameters.get();
	}

	void InjectedBundle::extendClassesForParameterCoder(API::Array& classes)
	{
	size_t size = classes.size();

	auto mutableSet = adoptNS([classesForCoder() mutableCopy]);

	for (size_t i = 0; i < size; ++i) {
	API::String* classNameString = classes.at<API::String>(i);
	if (!classNameString) {
	WTFLogAlways("InjectedBundle::extendClassesForParameterCoder - No class provided as argument %d.\n", i);
	break;
	}

	CString className = classNameString->string().utf8();
	Class objectClass = objc_lookUpClass(className.data());
	if (!objectClass) {
	WTFLogAlways("InjectedBundle::extendClassesForParameterCoder - Class %s is not a valid Objective C class.\n", className.data());
	break;
	}

	[mutableSet.get() addObject:objectClass];
	}

	m_classesForCoder = mutableSet;
	}

	NSSet* InjectedBundle::classesForCoder()
	{
	if (!m_classesForCoder)
	m_classesForCoder = [NSSet setWithObjects:[NSArray class], [NSData class], [NSDate class], [NSDictionary class], [NSNull class], [NSNumber class], [NSSet class], [NSString class], [NSTimeZone class], [NSURL class], [NSUUID class], [WKBrowsingContextHandle class], nil];

	return m_classesForCoder.get();
	}

	void InjectedBundle::setBundleParameter(const String& key, const IPC::DataReference& value)
	{
	id parameter = nil;
	auto unarchiver = createUnarchiver(value);
	@try {
	parameter = [unarchiver decodeObjectOfClasses:classesForCoder() forKey:@"parameter"];
	} @catch (NSException *exception) {
	LOG_ERROR("Failed to decode bundle parameter: %@", exception);
	return;
	}

	if (!m_bundleParameters && parameter)
	m_bundleParameters = adoptNS([[WKWebProcessBundleParameters alloc] initWithDictionary:@{ }]);

	[m_bundleParameters setParameter:parameter forKey:key];
	}

	void InjectedBundle::setBundleParameters(const IPC::DataReference& value)
	{
	NSDictionary *parameters = nil;
	auto unarchiver = createUnarchiver(value);
	@try {
	parameters = [unarchiver decodeObjectOfClasses:classesForCoder() forKey:@"parameters"];
	} @catch (NSException *exception) {
	LOG_ERROR("Failed to decode bundle parameter: %@", exception);
	}

	if (!parameters)
	return;

	RELEASE_ASSERT_WITH_SECURITY_IMPLICATION([parameters isKindOfClass:[NSDictionary class]]);

	if (!m_bundleParameters) {
	m_bundleParameters = adoptNS([[WKWebProcessBundleParameters alloc] initWithDictionary:parameters]);
	return;
	}

	[m_bundleParameters setParametersForKeyWithDictionary:parameters];
	}

	} // namespace WebKit