mirror of
https://github.com/simplex-chat/simplex-chat.git
synced 2025-06-28 20:29:53 +00:00
24b0f0290b
* core: pass event and response error without dedicated constructor * ios: WIP * android, desktop: update UI for new API * ios: fix parser * fix showing invalid chats * fix mobile api tests * ios: split ChatResponse to 3 enums, decode API results on the same thread * tweak types * remove throws * rename
69 lines
2.6 KiB
Swift
69 lines
2.6 KiB
Swift
//
|
|
// CryptoFile.swift
|
|
// SimpleX (iOS)
|
|
//
|
|
// Created by Evgeny on 05/09/2023.
|
|
// Copyright © 2023 SimpleX Chat. All rights reserved.
|
|
//
|
|
|
|
import Foundation
|
|
|
|
enum WriteFileResult: Decodable {
|
|
case result(cryptoArgs: CryptoFileArgs)
|
|
case error(writeError: String)
|
|
}
|
|
|
|
public func writeCryptoFile(path: String, data: Data) throws -> CryptoFileArgs {
|
|
let ptr: UnsafeMutableRawPointer = malloc(data.count)
|
|
memcpy(ptr, (data as NSData).bytes, data.count)
|
|
var cPath = path.cString(using: .utf8)!
|
|
let cjson = chat_write_file(getChatCtrl(), &cPath, ptr, Int32(data.count))!
|
|
let d = dataFromCString(cjson)! // TODO [unsafe]
|
|
switch try jsonDecoder.decode(WriteFileResult.self, from: d) {
|
|
case let .result(cfArgs): return cfArgs
|
|
case let .error(err): throw RuntimeError(err) // TODO [unsafe]
|
|
}
|
|
}
|
|
|
|
public func readCryptoFile(path: String, cryptoArgs: CryptoFileArgs) throws -> Data {
|
|
var cPath = path.cString(using: .utf8)!
|
|
var cKey = cryptoArgs.fileKey.cString(using: .utf8)!
|
|
var cNonce = cryptoArgs.fileNonce.cString(using: .utf8)!
|
|
let ptr = chat_read_file(&cPath, &cKey, &cNonce)!
|
|
let status = UInt8(ptr.pointee)
|
|
switch status {
|
|
case 0: // ok
|
|
let dLen = Data(bytes: ptr.advanced(by: 1), count: 4)
|
|
let len = dLen.withUnsafeBytes { $0.load(as: UInt32.self) }
|
|
let d = Data(bytes: ptr.advanced(by: 5), count: Int(len))
|
|
free(ptr)
|
|
return d
|
|
case 1: // error
|
|
let err = String.init(cString: ptr)
|
|
free(ptr)
|
|
throw RuntimeError(err)
|
|
default:
|
|
throw RuntimeError("unexpected chat_read_file status: \(status)")
|
|
}
|
|
}
|
|
|
|
public func encryptCryptoFile(fromPath: String, toPath: String) throws -> CryptoFileArgs {
|
|
var cFromPath = fromPath.cString(using: .utf8)!
|
|
var cToPath = toPath.cString(using: .utf8)!
|
|
let cjson = chat_encrypt_file(getChatCtrl(), &cFromPath, &cToPath)!
|
|
let d = dataFromCString(cjson)! // TODO [unsafe]
|
|
switch try jsonDecoder.decode(WriteFileResult.self, from: d) {
|
|
case let .result(cfArgs): return cfArgs
|
|
case let .error(err): throw RuntimeError(err) // TODO [unsafe]
|
|
}
|
|
}
|
|
|
|
public func decryptCryptoFile(fromPath: String, cryptoArgs: CryptoFileArgs, toPath: String) throws {
|
|
var cFromPath = fromPath.cString(using: .utf8)!
|
|
var cKey = cryptoArgs.fileKey.cString(using: .utf8)!
|
|
var cNonce = cryptoArgs.fileNonce.cString(using: .utf8)!
|
|
var cToPath = toPath.cString(using: .utf8)!
|
|
let cErr = chat_decrypt_file(&cFromPath, &cKey, &cNonce, &cToPath)!
|
|
let err = fromCString(cErr)
|
|
if err != "" { throw RuntimeError(err) }
|
|
}
|