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iOS: On changing DNS, update AllowedIPs with the current DNS servers

This commit is contained in:
Roopesh Chander 2019-02-21 17:56:52 +05:30
parent e5e5418307
commit b787ed9f5a
3 changed files with 26 additions and 5 deletions
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13
WireGuard/WireGuard/UI/TunnelViewModel.swift
View File

@ -432,7 +432,7 @@ class TunnelViewModel {
let normalizedDNSServers = normalizedIPAddressRangeStrings(dnsServers)
let ipv6Addresses = normalizedIPAddressRangeStrings(currentAllowedIPs.filter { $0.contains(":") })
if excludePrivateIPs {
return ipv6Addresses + TunnelViewModel.PeerData.ipv4DefaultRouteModRFC1918String + dnsServers
return ipv6Addresses + TunnelViewModel.PeerData.ipv4DefaultRouteModRFC1918String + normalizedDNSServers
} else {
return ipv6Addresses.filter { !normalizedDNSServers.contains($0) } + [TunnelViewModel.PeerData.ipv4DefaultRouteString]
}
@ -523,6 +523,17 @@ class TunnelViewModel {
}
}
func updateDNSServersInAllowedIPsIfRequired(oldDNSServers: String, newDNSServers: String) -> Bool {
guard peersData.count == 1, let firstPeer = peersData.first else { return false }
guard firstPeer.shouldAllowExcludePrivateIPsControl && firstPeer.excludePrivateIPsValue else { return false }
let allowedIPStrings = firstPeer[.allowedIPs].splitToArray(trimmingCharacters: .whitespacesAndNewlines)
let oldDNSServerStrings = TunnelViewModel.PeerData.normalizedIPAddressRangeStrings(oldDNSServers.splitToArray(trimmingCharacters: .whitespacesAndNewlines))
let newDNSServerStrings = TunnelViewModel.PeerData.normalizedIPAddressRangeStrings(newDNSServers.splitToArray(trimmingCharacters: .whitespacesAndNewlines))
let updatedAllowedIPStrings = allowedIPStrings.filter { !oldDNSServerStrings.contains($0) } + newDNSServerStrings
firstPeer[.allowedIPs] = updatedAllowedIPStrings.joined(separator: ", ")
return true
}
func save() -> SaveResult<TunnelConfiguration> {
let interfaceSaveResult = interfaceData.save()
let peerSaveResults = peersData.map { $0.save() } // Save all, to help mark erroring fields in red

4
WireGuard/WireGuard/UI/iOS/View/KeyValueCell.swift
View File

@ -68,7 +68,7 @@ class KeyValueCell: UITableViewCell {
var isStackedVertically = false
var contentSizeBasedConstraints = [NSLayoutConstraint]()
var onValueChanged: ((String) -> Void)?
var onValueChanged: ((String, String) -> Void)?
var onValueBeingEdited: ((String) -> Void)?
var observationToken: AnyObject?
@ -206,7 +206,7 @@ extension KeyValueCell: UITextFieldDelegate {
func textFieldDidEndEditing(_ textField: UITextField) {
let isModified = textField.text ?? "" != textFieldValueOnBeginEditing
guard isModified else { return }
onValueChanged?(textField.text ?? "")
onValueChanged?(textFieldValueOnBeginEditing, textField.text ?? "")
}
func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {

14
WireGuard/WireGuard/UI/iOS/ViewController/TunnelEditTableViewController.swift
View File

@ -259,8 +259,18 @@ extension TunnelEditTableViewController {
cell.onValueBeingEdited = { [weak self] value in
self?.tunnelViewModel.interfaceData[field] = value
}
cell.onValueChanged = { [weak self] oldValue, newValue in
guard let self = self else { return }
let isAllowedIPsChanged = self.tunnelViewModel.updateDNSServersInAllowedIPsIfRequired(oldDNSServers: oldValue, newDNSServers: newValue)
if isAllowedIPsChanged {
let section = self.sections.firstIndex { if case .peer(_) = $0 { return true } else { return false } }
if let section = section, let row = self.peerFields.firstIndex(of: .allowedIPs) {
self.tableView.reloadRows(at: [IndexPath(row: row, section: section)], with: .none)
}
}
}
} else {
cell.onValueChanged = { [weak self] value in
cell.onValueChanged = { [weak self] _, value in
self?.tunnelViewModel.interfaceData[field] = value
}
}
@ -380,7 +390,7 @@ extension TunnelEditTableViewController {
tableView.reloadRows(at: [IndexPath(row: dnsRow, section: firstInterfaceSection + interfaceSubSection)], with: .none)
}
} else {
cell.onValueChanged = { [weak peerData] value in
cell.onValueChanged = { [weak peerData] _, value in
peerData?[field] = value
}
}