/* * Copyright (C) 2015 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 "Download.h" #import "DataReference.h" #import "NetworkSessionCocoa.h" #import "WKDownloadProgress.h" #import <pal/spi/cf/CFNetworkSPI.h> #import <pal/spi/cocoa/NSProgressSPI.h> namespace WebKit { void Download::resume(const IPC::DataReference& resumeData, const String& path, SandboxExtension::Handle&& sandboxExtensionHandle) { m_sandboxExtension = SandboxExtension::create(WTFMove(sandboxExtensionHandle)); if (m_sandboxExtension) m_sandboxExtension->consume(); auto* networkSession = m_downloadManager.client().networkSession(m_sessionID); if (!networkSession) { WTFLogAlways("Could not find network session with given session ID"); return; } auto& cocoaSession = static_cast<NetworkSessionCocoa&>(*networkSession); auto nsData = adoptNS([[NSData alloc] initWithBytes:resumeData.data() length:resumeData.size()]); // FIXME: This is a temporary workaround for <rdar://problem/34745171>. Fixed in iOS 13 and macOS 10.15, but we still need to support macOS 10.14 for now. #if PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED < 101500 static NSSet<Class> *plistClasses = nil; static dispatch_once_t onceToken; dispatch_once(&onceToken, ^{ plistClasses = [[NSSet setWithObjects:[NSDictionary class], [NSArray class], [NSString class], [NSNumber class], [NSData class], [NSURL class], [NSURLRequest class], nil] retain]; }); auto unarchiver = adoptNS([[NSKeyedUnarchiver alloc] initForReadingFromData:nsData.get() error:nil]); [unarchiver setDecodingFailurePolicy:NSDecodingFailurePolicyRaiseException]; auto dictionary = adoptNS(static_cast<NSMutableDictionary *>([[unarchiver decodeObjectOfClasses:plistClasses forKey:@"NSKeyedArchiveRootObjectKey"] mutableCopy])); [unarchiver finishDecoding]; [dictionary setObject:static_cast<NSString*>(path) forKey:@"NSURLSessionResumeInfoLocalPath"]; auto encoder = adoptNS([[NSKeyedArchiver alloc] initRequiringSecureCoding:YES]); [encoder encodeObject:dictionary.get() forKey:@"NSKeyedArchiveRootObjectKey"]; NSData *updatedData = [encoder encodedData]; #else NSMutableDictionary *dictionary = [NSPropertyListSerialization propertyListWithData:nsData.get() options:NSPropertyListMutableContainersAndLeaves format:0 error:nullptr]; [dictionary setObject:static_cast<NSString*>(path) forKey:@"NSURLSessionResumeInfoLocalPath"]; NSData *updatedData = [NSPropertyListSerialization dataWithPropertyList:dictionary format:NSPropertyListXMLFormat_v1_0 options:0 error:nullptr]; #endif m_downloadTask = [cocoaSession.sessionWrapperForDownloads().session downloadTaskWithResumeData:updatedData]; auto taskIdentifier = [m_downloadTask taskIdentifier]; ASSERT(!cocoaSession.sessionWrapperForDownloads().downloadMap.contains(taskIdentifier)); cocoaSession.sessionWrapperForDownloads().downloadMap.add(taskIdentifier, m_downloadID); m_downloadTask.get()._pathToDownloadTaskFile = path; [m_downloadTask resume]; } void Download::platformCancelNetworkLoad() { ASSERT(m_downloadTask); // The download's resume data is accessed in the network session delegate // method -URLSession:task:didCompleteWithError: instead of inside this block, // to avoid race conditions between the two. Calling -cancel is not sufficient // here because CFNetwork won't provide the resume data unless we ask for it. [m_downloadTask cancelByProducingResumeData:^(NSData *resumeData) { UNUSED_PARAM(resumeData); }]; } void Download::platformDestroyDownload() { if (m_progress) #if HAVE(NSPROGRESS_PUBLISHING_SPI) [m_progress _unpublish]; #else [m_progress unpublish]; #endif } void Download::publishProgress(const URL& url, SandboxExtension::Handle&& sandboxExtensionHandle) { ASSERT(!m_progress); ASSERT(url.isValid()); auto sandboxExtension = SandboxExtension::create(WTFMove(sandboxExtensionHandle)); ASSERT(sandboxExtension); if (!sandboxExtension) return; m_progress = adoptNS([[WKDownloadProgress alloc] initWithDownloadTask:m_downloadTask.get() download:*this URL:(NSURL *)url sandboxExtension:sandboxExtension]); #if HAVE(NSPROGRESS_PUBLISHING_SPI) [m_progress _publish]; #else [m_progress publish]; #endif } }