/*
* Copyright (c) 2016, Jonathan Schleifer <js@heap.zone>
*
* https://heap.zone/git/scrypt-pwgen.git
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT OWNER OR 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 <ObjFW/ObjFW.h>
#import "SiteStorage.h"
@interface SiteStorage ()
- (void)_update;
@end
static OFNumber *lengthField, *legacyField;
@implementation SiteStorage
+ (void)initialize
{
lengthField = [@(UINT8_C(0)) retain];
legacyField = [@(UINT8_C(1)) retain];
}
- init
{
self = [super init];
@try {
void *pool = objc_autoreleasePoolPush();
OFFileManager *fileManager = [OFFileManager defaultManager];
OFString *userDataPath = [OFSystemInfo userDataPath];
if (![fileManager directoryExistsAtPath: userDataPath])
[fileManager createDirectoryAtPath: userDataPath];
_path = [[userDataPath stringByAppendingPathComponent:
@"sites.msgpack"] retain];
@try {
_storage = [[[OFData dataWithContentsOfFile: _path]
messagePackValue] mutableCopy];
} @catch (id e) {
_storage = [[OFMutableDictionary alloc] init];
}
_sites = [[[_storage allKeys] sortedArray] retain];
objc_autoreleasePoolPop(pool);
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_path release];
[_storage release];
[_sites release];
[super dealloc];
}
- (OFArray<OFString *> *)sitesWithFilter: (OFString *)filter
{
void *pool = objc_autoreleasePoolPush();
/*
* FIXME: We need case folding here, but there is no method for it yet.
*/
filter = [filter lowercaseString];
OFArray *sites = [[[_storage allKeys] sortedArray]
filteredArrayUsingBlock: ^ (id name, size_t index) {
if (filter == nil)
return true;
return [[name lowercaseString] containsString: filter];
}];
[sites retain];
objc_autoreleasePoolPop(pool);
return [sites autorelease];
}
- (bool)hasSite: (OFString *)name
{
return (_storage[name] != nil);
}
- (size_t)lengthForSite: (OFString *)name
{
OFDictionary *site = _storage[name];
if (site == nil)
@throw [OFInvalidArgumentException exception];
return [site[lengthField] sizeValue];
}
- (bool)isSiteLegacy: (OFString *)name
{
OFDictionary *site = _storage[name];
if (site == nil)
@throw [OFInvalidArgumentException exception];
return [site[legacyField] boolValue];
}
- (void)setSite: (OFString *)site
length: (size_t)length
legacy: (bool)legacy
{
void *pool = objc_autoreleasePoolPush();
_storage[site] = @{
lengthField: @(length),
legacyField: @(legacy)
};
[self _update];
objc_autoreleasePoolPop(pool);
}
- (void)removeSite: (OFString *)name
{
[_storage removeObjectForKey: name];
[self _update];
}
- (void)_update
{
void *pool = objc_autoreleasePoolPush();
[[_storage messagePackRepresentation] writeToFile: _path];
[_sites release];
_sites = [[[_storage allKeys] sortedArray] retain];
objc_autoreleasePoolPop(pool);
}
@end