| /* |
| * 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 "BlacklistUpdater.h" |
| |
| #if PLATFORM(MAC) |
| |
| #import "PluginBlacklist.h" |
| #import "WebGLBlacklist.h" |
| #import <sys/stat.h> |
| #import <sys/time.h> |
| #import <wtf/RetainPtr.h> |
| |
| // The time after which we'll check the blacklist data. |
| static time_t blacklistNextCheckTime; |
| |
| // The number of seconds before we'll check if the blacklist data has changed. |
| const time_t blacklistCheckTimeInterval = 60 * 10; |
| |
| // The time when we last re-parsed the blacklist file. |
| static time_t blacklistUpdateTime; |
| |
| #if HAVE(ALTERNATE_SYSTEM_LAYOUT) |
| NSString * const blacklistPath = @"/Library/Apple/System/Library/CoreServices/XProtect.bundle/Contents/Resources/XProtect.meta.plist"; |
| #else |
| NSString * const blacklistPath = @"/System/Library/CoreServices/XProtect.bundle/Contents/Resources/XProtect.meta.plist"; |
| #endif |
| |
| namespace WebCore { |
| |
| dispatch_queue_t BlacklistUpdater::s_queue; |
| |
| PluginBlacklist* BlacklistUpdater::s_pluginBlacklist = nullptr; |
| WebGLBlacklist* BlacklistUpdater::s_webGLBlacklist = nullptr; |
| |
| NSDictionary * BlacklistUpdater::readBlacklistData() |
| { |
| NSData *data = [NSData dataWithContentsOfFile:blacklistPath]; |
| if (!data) |
| return nil; |
| |
| return dynamic_objc_cast<NSDictionary>([NSPropertyListSerialization propertyListWithData:data options:NSPropertyListImmutable format:nullptr error:nullptr]); |
| } |
| |
| void BlacklistUpdater::reloadIfNecessary() |
| { |
| struct timeval timeVal; |
| if (!gettimeofday(&timeVal, NULL)) { |
| if (timeVal.tv_sec < blacklistNextCheckTime) |
| return; |
| } |
| |
| blacklistNextCheckTime = timeVal.tv_sec + blacklistCheckTimeInterval; |
| |
| struct stat statBuf; |
| if (stat([blacklistPath fileSystemRepresentation], &statBuf) == -1) |
| return; |
| |
| if (statBuf.st_mtimespec.tv_sec == blacklistUpdateTime) |
| return; |
| NSDictionary *propertyList = readBlacklistData(); |
| if (!propertyList) |
| return; |
| |
| if (s_pluginBlacklist) { |
| delete s_pluginBlacklist; |
| s_pluginBlacklist = 0; |
| } |
| |
| if (s_webGLBlacklist) { |
| delete s_webGLBlacklist; |
| s_webGLBlacklist = 0; |
| } |
| |
| s_pluginBlacklist = PluginBlacklist::create(propertyList).release(); |
| s_webGLBlacklist = WebGLBlacklist::create(propertyList).release(); |
| |
| blacklistUpdateTime = statBuf.st_mtimespec.tv_sec; |
| } |
| |
| void BlacklistUpdater::initializeQueue() |
| { |
| static dispatch_once_t once; |
| dispatch_once(&once, ^{ |
| s_queue = dispatch_queue_create("com.apple.WebKit.Blacklist", 0); |
| }); |
| } |
| |
| } |
| |
| #endif |