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wireguard-apple
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UI: Avoid force unwrap when checking for errors 

Signed-off-by: Andrej Mihajlov <and@mullvad.net>
This commit is contained in:
Andrej Mihajlov 2020-12-23 14:16:27 +01:00 committed by Jason A. Donenfeld
parent b67acaccff
commit 6d57c8b6f9
1 changed files with 14 additions and 14 deletions
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28
Sources/WireGuardApp/Tunnel/TunnelsManager.swift
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@ -138,10 +138,10 @@ class TunnelsManager {
let activeTunnel = tunnels.first { $0.status == .active || $0.status == .activating } let activeTunnel = tunnels.first { $0.status == .active || $0.status == .activating }
tunnelProviderManager.saveToPreferences { [weak self] error in tunnelProviderManager.saveToPreferences { [weak self] error in
guard error == nil else { if let error = error {
wg_log(.error, message: "Add: Saving configuration failed: \(error!)") wg_log(.error, message: "Add: Saving configuration failed: \(error)")
(tunnelProviderManager.protocolConfiguration as? NETunnelProviderProtocol)?.destroyConfigurationReference() (tunnelProviderManager.protocolConfiguration as? NETunnelProviderProtocol)?.destroyConfigurationReference()
completionHandler(.failure(TunnelsManagerError.systemErrorOnAddTunnel(systemError: error!))) completionHandler(.failure(TunnelsManagerError.systemErrorOnAddTunnel(systemError: error)))
return return
} }
@ -235,10 +235,10 @@ class TunnelsManager {
onDemandOption.apply(on: tunnelProviderManager) onDemandOption.apply(on: tunnelProviderManager)
tunnelProviderManager.saveToPreferences { [weak self] error in tunnelProviderManager.saveToPreferences { [weak self] error in
guard error == nil else { if let error = error {
//TODO: the passwordReference for the old one has already been removed at this point and we can't easily roll back! //TODO: the passwordReference for the old one has already been removed at this point and we can't easily roll back!
wg_log(.error, message: "Modify: Saving configuration failed: \(error!)") wg_log(.error, message: "Modify: Saving configuration failed: \(error)")
completionHandler(TunnelsManagerError.systemErrorOnModifyTunnel(systemError: error!)) completionHandler(TunnelsManagerError.systemErrorOnModifyTunnel(systemError: error))
return return
} }
guard let self = self else { return } guard let self = self else { return }
@ -266,13 +266,13 @@ class TunnelsManager {
// Without this, the tunnel stopes getting updates on the tunnel status from iOS. // Without this, the tunnel stopes getting updates on the tunnel status from iOS.
tunnelProviderManager.loadFromPreferences { error in tunnelProviderManager.loadFromPreferences { error in
tunnel.isActivateOnDemandEnabled = tunnelProviderManager.isOnDemandEnabled tunnel.isActivateOnDemandEnabled = tunnelProviderManager.isOnDemandEnabled
guard error == nil else { if let error = error {
wg_log(.error, message: "Modify: Re-loading after saving configuration failed: \(error!)") wg_log(.error, message: "Modify: Re-loading after saving configuration failed: \(error)")
completionHandler(TunnelsManagerError.systemErrorOnModifyTunnel(systemError: error!)) completionHandler(TunnelsManagerError.systemErrorOnModifyTunnel(systemError: error))
return } else {
}
completionHandler(nil) completionHandler(nil)
} }
}
} else { } else {
completionHandler(nil) completionHandler(nil)
} }
@ -291,9 +291,9 @@ class TunnelsManager {
#error("Unimplemented") #error("Unimplemented")
#endif #endif
tunnelProviderManager.removeFromPreferences { [weak self] error in tunnelProviderManager.removeFromPreferences { [weak self] error in
guard error == nil else { if let error = error {
wg_log(.error, message: "Remove: Saving configuration failed: \(error!)") wg_log(.error, message: "Remove: Saving configuration failed: \(error)")
completionHandler(TunnelsManagerError.systemErrorOnRemoveTunnel(systemError: error!)) completionHandler(TunnelsManagerError.systemErrorOnRemoveTunnel(systemError: error))
return return
} }
if let self = self, let index = self.tunnels.firstIndex(of: tunnel) { if let self = self, let index = self.tunnels.firstIndex(of: tunnel) {