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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| // | ||
| /*- | ||
| * ---license-start | ||
| * eu-digital-green-certificates / dgca-verifier-app-ios | ||
| * --- | ||
| * Copyright (C) 2021 T-Systems International GmbH and all other contributors | ||
| * --- | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| * ---license-end | ||
| */ | ||
| // | ||
| // LocalData.swift | ||
| // DGCAVerifier | ||
| // | ||
| // Created by Yannick Spreen on 4/25/21. | ||
| // | ||
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| import Foundation | ||
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| struct LocalData: Codable { | ||
| static var sharedInstance = LocalData() | ||
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| var encodedPublicKeys = [String: String]() | ||
| var resumeToken: String? | ||
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| static func add(encodedPublicKey: String) { | ||
| let kid = KID.from(encodedPublicKey) | ||
| let kidStr = KID.string(from: kid) | ||
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| sharedInstance.encodedPublicKeys[kidStr] = encodedPublicKey | ||
| } | ||
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| static func set(resumeToken: String) { | ||
| sharedInstance.resumeToken = resumeToken | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| // | ||
| /*- | ||
| * ---license-start | ||
| * eu-digital-green-certificates / dgca-verifier-app-ios | ||
| * --- | ||
| * Copyright (C) 2021 T-Systems International GmbH and all other contributors | ||
| * --- | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| * ---license-end | ||
| */ | ||
| // | ||
| // SecureStorage.swift | ||
| // DGCAVerifier | ||
| // | ||
| // Created by Yannick Spreen on 4/25/21. | ||
| // | ||
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| import Foundation | ||
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| struct SecureStorage { | ||
| static let documents: URL! = try? FileManager.default.url(for: .documentDirectory, in: .userDomainMask, appropriateFor: nil, create: true) | ||
| static let path: URL! = URL(string: documents.absoluteString + "secure.db") | ||
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| public static func load(completion: @escaping (Bool) -> Void) { | ||
| if !FileManager.default.fileExists(atPath: path.path) { | ||
| save() | ||
| if FileManager.default.fileExists(atPath: path.path) { | ||
| load(completion: completion) | ||
| } else { | ||
| completion(false) | ||
| } | ||
| return | ||
| } | ||
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| guard | ||
| let data = read(), | ||
| let key = Enclave.symmetricKey | ||
| else { | ||
| completion(false) | ||
| return | ||
| } | ||
| Enclave.decrypt(data: data, with: key) { decrypted, err in | ||
| guard | ||
| let decrypted = decrypted, | ||
| err == nil, | ||
| let data = try? JSONDecoder().decode(LocalData.self, from: decrypted) | ||
| else { | ||
| completion(false) | ||
| return | ||
| } | ||
| LocalData.sharedInstance = data | ||
| completion(true) | ||
| } | ||
| } | ||
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| public static func save() { | ||
| guard | ||
| let data = try? JSONEncoder().encode(LocalData.sharedInstance), | ||
| let key = Enclave.symmetricKey, | ||
| let encrypted = Enclave.encrypt(data: data, with: key).0 | ||
| else { | ||
| return | ||
| } | ||
| print("write", write(data: encrypted)) | ||
| } | ||
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| static func write(data: Data) -> Bool { | ||
| do { | ||
| try data.write(to: path) | ||
| } catch { | ||
| return false | ||
| } | ||
| return true | ||
| } | ||
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| static func read() -> Data? { | ||
| do { | ||
| let savedData = try Data(contentsOf: path) | ||
| return savedData | ||
| } catch { | ||
| return nil | ||
| } | ||
| } | ||
| } |
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