| /* |
| * Copyright (C) 2014-2016 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 "BlocklistUpdater.h" |
| |
| #if PLATFORM(MAC) |
| |
| #import "PluginBlocklist.h" |
| #import "WebGLBlocklist.h" |
| #import <sys/stat.h> |
| #import <sys/time.h> |
| #import <wtf/cocoa/TypeCastsCocoa.h> |
| |
| // The time after which we'll check the blocklist data. |
| static time_t blocklistNextCheckTime; |
| |
| // The number of seconds before we'll check if the blocklist data has changed. |
| const time_t blocklistCheckTimeInterval = 60 * 10; |
| |
| // The time when we last re-parsed the blocklist file. |
| static time_t blocklistUpdateTime; |
| |
| #if HAVE(READ_ONLY_SYSTEM_VOLUME) |
| NSString * const blocklistPath = @"/Library/Apple/System/Library/CoreServices/XProtect.bundle/Contents/Resources/XProtect.meta.plist"; |
| #else |
| NSString * const blocklistPath = @"/System/Library/CoreServices/XProtect.bundle/Contents/Resources/XProtect.meta.plist"; |
| #endif |
| |
| namespace WebCore { |
| |
| PluginBlocklist* BlocklistUpdater::s_pluginBlocklist = nullptr; |
| WebGLBlocklist* BlocklistUpdater::s_webGLBlocklist = nullptr; |
| |
| WorkQueue& BlocklistUpdater::queue() |
| { |
| static NeverDestroyed<RefPtr<WorkQueue>> queue; |
| static dispatch_once_t once; |
| dispatch_once(&once, ^{ |
| queue.get() = WorkQueue::create("com.apple.WebKit.Blocklist"); |
| }); |
| |
| return *queue.get(); |
| } |
| |
| NSDictionary * BlocklistUpdater::readBlocklistData() |
| { |
| NSData *data = [NSData dataWithContentsOfFile:blocklistPath]; |
| if (!data) |
| return nil; |
| |
| return dynamic_objc_cast<NSDictionary>([NSPropertyListSerialization propertyListWithData:data options:NSPropertyListImmutable format:nullptr error:nullptr]); |
| } |
| |
| void BlocklistUpdater::reloadIfNecessary() |
| { |
| struct timeval timeVal; |
| if (!gettimeofday(&timeVal, NULL)) { |
| if (timeVal.tv_sec < blocklistNextCheckTime) |
| return; |
| } |
| |
| blocklistNextCheckTime = timeVal.tv_sec + blocklistCheckTimeInterval; |
| |
| struct stat statBuf; |
| if (stat([blocklistPath fileSystemRepresentation], &statBuf) == -1) |
| return; |
| |
| if (statBuf.st_mtimespec.tv_sec == blocklistUpdateTime) |
| return; |
| NSDictionary *propertyList = readBlocklistData(); |
| if (!propertyList) |
| return; |
| |
| if (s_pluginBlocklist) { |
| delete s_pluginBlocklist; |
| s_pluginBlocklist = 0; |
| } |
| |
| if (s_webGLBlocklist) { |
| delete s_webGLBlocklist; |
| s_webGLBlocklist = 0; |
| } |
| |
| s_pluginBlocklist = PluginBlocklist::create(propertyList).release(); |
| s_webGLBlocklist = WebGLBlocklist::create(propertyList).release(); |
| |
| blocklistUpdateTime = statBuf.st_mtimespec.tv_sec; |
| } |
| |
| } |
| |
| #endif |