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wireguard-apple
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Tunnel creation: Compute public key from private key as the text is being edited

This commit is contained in:
Roopesh Chander 2018-10-24 14:11:34 +05:30
parent 91ea0fe7e5
commit 423fc4f9e0
2 changed files with 31 additions and 0 deletions
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12
WireGuard/WireGuard/UI/TunnelViewModel.swift
View File

@ -27,6 +27,8 @@ class TunnelViewModel {
case deletePeer = "Delete peer"
}
static let keyLengthInBase64 = 44
class InterfaceData {
var scratchpad: [InterfaceField: String] = [:]
var fieldsWithError: Set<InterfaceField> = []
@ -53,6 +55,16 @@ class TunnelViewModel {
} else {
scratchpad[field] = stringValue
}
if (field == .privateKey) {
if (stringValue.count == TunnelViewModel.keyLengthInBase64),
let privateKey = Data(base64Encoded: stringValue),
privateKey.count == 32 {
let publicKey = Curve25519.generatePublicKey(fromPrivateKey: privateKey)
scratchpad[.publicKey] = publicKey.base64EncodedString()
} else {
scratchpad.removeValue(forKey: .publicKey)
}
}
}
}

19
WireGuard/WireGuard/UI/iOS/TunnelEditTableViewController.swift
View File

@ -160,6 +160,17 @@ extension TunnelEditTableViewController {
cell.onValueChanged = { [weak interfaceData] value in
interfaceData?[field] = value
}
// Compute public key live
if (field == .privateKey) {
cell.onValueBeingEdited = { [weak self, weak interfaceData] value in
if let interfaceData = interfaceData, let s = self {
interfaceData[.privateKey] = value
if let row = s.interfaceFieldsBySection[section].firstIndex(of: .publicKey) {
s.tableView.reloadRows(at: [IndexPath(row: row, section: section)], with: .none)
}
}
}
}
return cell
}
} else if ((numberOfPeers > 0) && (section < (numberOfInterfaceSections + numberOfPeers * numberOfPeerSections))) {
@ -289,6 +300,7 @@ class TunnelsEditTableViewKeyValueCell: UITableViewCell {
}
var onValueChanged: ((String) -> Void)? = nil
var onValueBeingEdited: ((String) -> Void)? = nil
let keyLabel: UILabel
let valueTextField: UITextField
@ -352,6 +364,13 @@ extension TunnelsEditTableViewKeyValueCell: UITextFieldDelegate {
onValueChanged(textField.text ?? "")
}
}
func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
if let onValueBeingEdited = onValueBeingEdited {
let modifiedText = ((textField.text ?? "") as NSString).replacingCharacters(in: range, with: string)
onValueBeingEdited(modifiedText)
}
return true
}
}
class TunnelsEditTableViewButtonCell: UITableViewCell {