/*
* Copyright (c) 2016 - 2019 Jonathan Schleifer <js@heap.zone>
*
* https://heap.zone/git/cryptopassphrase.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
import ObjFW_Bridge
class SiteStorage: OFObject {
private typealias Storage =
OFMutableDictionary<OFString, OFDictionary<OFNumber, AnyObject>>
private static let lengthField = OFNumber(uInt8: 0)
private static let legacyField = OFNumber(uInt8: 1)
private static let keyFileField = OFNumber(uInt8: 2)
private var path: OFString
private var storage: Storage
private var sites: OFArray<OFString>
override init() {
let fileManager = OFFileManager.default
let userDataPath = OFSystemInfo.userDataPath!
if !fileManager.directoryExists(atPath: userDataPath) {
fileManager.createDirectory(atPath: userDataPath)
}
let path = userDataPath.appendingPathComponent(
OFString(utf8String: "sites.msgpack"))
var storage: Storage? = nil
OFException.try({
storage = OFData(contentsOfFile: path).messagePackValue as? Storage
}, catch: { (OFException) in
storage = OFMutableDictionary()
})
self.path = path
self.storage = storage!
self.sites = self.storage.allKeys.sorted
}
func sites(withFilter filter: OFString?) -> OFArray<OFString> {
// FIXME: We need case folding here, but there is no method for it yet.
let filter = filter?.lowercase
return storage.allKeys.sorted.filteredArray({
(name: Any, index: size_t) -> Bool in
if filter == nil {
return true
}
let name = name as! OFString
return name.lowercase.contains(filter!)
})
}
func hasSite(_ name: OFString) -> Bool {
return (storage[name] != nil)
}
func length(forSite name: OFString) -> size_t {
guard let site = storage[name] else {
OFInvalidArgumentException().throw()
}
return (site[SiteStorage.lengthField] as! OFNumber).sizeValue
}
func isLegacy(site name: OFString) -> Bool {
guard let site = storage[name] else {
OFInvalidArgumentException().throw()
}
return (site[SiteStorage.legacyField] as! OFNumber).boolValue
}
func keyFile(forSite name: OFString) -> OFString? {
guard let site = storage[name] else {
OFInvalidArgumentException().throw()
}
let keyFile = site[SiteStorage.keyFileField]
if keyFile is OFNull {
return nil
}
return keyFile as? OFString
}
func setSite(_ name: OFString, length: size_t, legacy: Bool,
keyFile: OFString?) {
let siteDictionary = OFMutableDictionary<OFNumber, AnyObject>()
siteDictionary.setObject(OFNumber(size: length),
forKey: SiteStorage.lengthField)
siteDictionary.setObject(OFNumber(bool: legacy),
forKey: SiteStorage.legacyField)
if keyFile != nil {
siteDictionary.setObject(keyFile!, forKey: SiteStorage.keyFileField)
}
siteDictionary.makeImmutable()
storage.setObject(siteDictionary, forKey: name)
self.update()
}
func removeSite(_ name: OFString) {
self.storage.removeObject(forKey: name)
self.update()
}
private func update() {
storage.messagePackRepresentation.write(toFile: path)
sites = storage.allKeys.sorted
}
}