69 lines
2.1 KiB
Swift
69 lines
2.1 KiB
Swift
|
//
|
||
|
|
// MLOmemoQrCodeView.swift
|
||
|
|
// Monal
|
||
|
|
//
|
||
|
|
// Created by Friedrich Altheide on 20.02.22.
|
||
|
|
// Copyright © 2022 Monal.im. All rights reserved.
|
||
|
|
//
|
||
|
|
|
||
|
|
import CoreImage.CIFilterBuiltins
|
||
|
|
|
||
|
|
func createQrCode(value: String) -> UIImage
|
||
|
|
{
|
||
|
|
let qrCodeFilter = CIFilter.qrCodeGenerator()
|
||
|
|
// set qrcode value
|
||
|
|
qrCodeFilter.message = Data(value.utf8)
|
||
|
|
|
||
|
|
if let qrCodeImage = qrCodeFilter.outputImage {
|
||
|
|
if let t = CIContext().createCGImage(qrCodeImage, from: qrCodeImage.extent) {
|
||
|
|
return UIImage(cgImage: t)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return UIImage()
|
||
|
|
}
|
||
|
|
|
||
|
|
struct OmemoQrCodeView: View {
|
||
|
|
let jid: String
|
||
|
|
@State private var qrCodeImage: UIImage
|
||
|
|
|
||
|
|
init(contact: ObservableKVOWrapper<MLContact>)
|
||
|
|
{
|
||
|
|
self.jid = contact.obj.contactJid
|
||
|
|
if let account = contact.obj.account {
|
||
|
|
let devices = Array(account.omemo.knownDevices(forAddressName: self.jid))
|
||
|
|
var keyList = ""
|
||
|
|
var prefix = "?"
|
||
|
|
for device in devices {
|
||
|
|
let address = SignalAddress.init(name: self.jid, deviceId: device.int32Value)
|
||
|
|
let identity = account.omemo.getIdentityFor(address)
|
||
|
|
|
||
|
|
if(account.omemo.isTrustedIdentity(address, identityKey: identity)) {
|
||
|
|
let hexIdentity = String(HelperTools.signalHexKey(with: identity))
|
||
|
|
let keyString = String(format: "%@omemo-sid-%@=%@", prefix, device, hexIdentity)
|
||
|
|
keyList += keyString
|
||
|
|
prefix = ";"
|
||
|
|
}
|
||
|
|
}
|
||
|
|
self.qrCodeImage = createQrCode(value: String(format:"xmpp:%@%@", jid, keyList))
|
||
|
|
} else {
|
||
|
|
self.qrCodeImage = UIImage()
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
var body: some View {
|
||
|
|
Image(uiImage: qrCodeImage)
|
||
|
|
.interpolation(.none)
|
||
|
|
.resizable()
|
||
|
|
.scaledToFit()
|
||
|
|
.aspectRatio(1, contentMode: .fit)
|
||
|
|
.navigationBarTitle(Text("Keys of \(self.jid)"), displayMode: .inline)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
struct OmemoQrCodeView_Previews: PreviewProvider {
|
||
|
|
static var previews: some View {
|
||
|
|
OmemoQrCodeView(contact: ObservableKVOWrapper<MLContact>(MLContact.makeDummyContact(0)))
|
||
|
|
}
|
||
|
|
}
|