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//
// ABTrackerDatabase.m
// Autodistract
//
// Created by Nick Zitzmann on 3/16/11.
// Copyright 2011 __MyCompanyName__. 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.
// 3. The name of the author may not be used to endorse or promote products derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR "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 THE AUTHOR 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 "ABTrackerDatabase.h"
@implementation ABTrackerDatabase
- (id)init
{
if (self = [super init])
{
/*FSRef appSupportFSRef;
BOOL needsDownload = NO;
if (FSFindFolder(kUserDomain, kApplicationSupportFolderType, true, &appSupportFSRef) == noErr) // get the user's application support folder; unless something stupendous happens this should always work
{
NSURL *appSupportFolderURL = (NSURL *)CFURLCreateFromFSRef(NULL, &appSupportFSRef);
NSString *abSupportFolder = [appSupportFolderURL.path stringByAppendingPathComponent:@"Autodistract"];
NSString *pathToSignatureFile = [abSupportFolder stringByAppendingPathComponent:@"TrackingCookieSigs.plist"];
NSMakeCollectable(appSupportFolderURL);
if (![[NSFileManager defaultManager] fileExistsAtPath:pathToSignatureFile]) // if the signature file doesn't exist, then we need to download it
needsDownload = YES;
else
{
NSDate *modDate = [[[NSFileManager defaultManager] attributesOfItemAtPath:pathToSignatureFile error:NULL] fileModificationDate];
if (CFAbsoluteTimeGetCurrent()-modDate.timeIntervalSinceReferenceDate > 604800.0) // if it's been a week since we last updated the signature file, then let's update it again
needsDownload = YES;
}
if (needsDownload)
{
_signatures = [NSArray arrayWithContentsOfURL:[NSURL URLWithString:@""]]; // start downloading
if (_signatures) // if we got it, then write it to disk
{
if (![[NSFileManager defaultManager] fileExistsAtPath:abSupportFolder])
[[NSFileManager defaultManager] createDirectoryAtPath:abSupportFolder withIntermediateDirectories:YES attributes:nil error:NULL];
[_signatures writeToFile:pathToSignatureFile atomically:YES];
}
}
else
{
_signatures = [NSArray arrayWithContentsOfFile:pathToSignatureFile];
}
}
if (!_signatures) // if we couldn't find it on the disk or on the 'net, then fall back on the signature file of last resort, which is in our bundle
*/
_signatures = [[NSArray alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"TrackingCookieSigs" ofType:@"plist"]];
}
return self;
}
- (BOOL)isCookieATrackingCookie:(NSHTTPCookie *)cookie why:(NSString **)description
{
NSString *cookieName = [cookie name];
NSString *cookieDomain = [cookie domain];
NSPredicate *predicate = [NSPredicate predicateWithFormat:@"(%K == YES AND %@ BEGINSWITH %K) OR (%K == NO AND %K == %@) OR %@ ENDSWITH %K", @"CookieNameBeginsWith", cookieName, @"CookieName", @"CookieNameBeginsWith", @"CookieName", cookieName, cookieDomain, @"CookieDomain"];
NSArray *matchingSigs = [_signatures filteredArrayUsingPredicate:predicate];
if (matchingSigs && matchingSigs.count)
{
if (description)
{
NSDictionary *sig = [matchingSigs objectAtIndex:0UL];
*description = [sig objectForKey:@"UserReadableDescription"];
}
return YES;
}
return NO;
}
@end
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