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Centralize/unify validation of configurations

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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Samuel Holland 2017-08-24 22:13:46 -05:00
parent 23fdb72eda
commit a828e83399
3 changed files with 11 additions and 16 deletions
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7
app/src/main/java/com/wireguard/android/ConfigEditFragment.java
View File

@ -113,18 +113,13 @@ public class ConfigEditFragment extends BaseConfigFragment {
}
private void saveConfig() {
final String errorMessage = localConfig.validate();
final VpnService service = VpnService.getInstance();
if (errorMessage != null) {
Toast.makeText(getActivity(), errorMessage, Toast.LENGTH_SHORT).show();
return;
}
try {
if (getCurrentConfig() != null)
service.update(getCurrentConfig().getName(), localConfig);
else
service.add(localConfig);
} catch (final IllegalStateException e) {
} catch (final IllegalArgumentException | IllegalStateException e) {
Toast.makeText(getActivity(), e.getMessage(), Toast.LENGTH_SHORT).show();
return;
}

10
app/src/main/java/com/wireguard/android/VpnService.java
View File

@ -13,6 +13,7 @@ import android.service.quicksettings.TileService;
import android.util.Log;
import com.wireguard.config.Config;
import com.wireguard.config.Peer;
import java.io.File;
import java.io.FileOutputStream;
@ -367,8 +368,15 @@ public class VpnService extends Service
// When adding a config, "old file" and "new file" are the same thing.
oldName = knownConfig != null ? knownConfig.getName() : newName;
this.shouldConnect = shouldConnect;
if (newName == null || !Config.isNameValid(newName))
throw new IllegalArgumentException("This configuration does not have a valid name");
if (isAddOrRename() && configurations.containsKey(newName))
throw new IllegalStateException("Config " + newName + " already exists");
throw new IllegalStateException("Configuration " + newName + " already exists");
if (newConfig.getInterface().getPublicKey() == null)
throw new IllegalArgumentException("This configuration must have a valid keypair");
for (final Peer peer : newConfig.getPeers())
if (peer.getPublicKey() == null || peer.getPublicKey().isEmpty())
throw new IllegalArgumentException("Each peer must have a valid public key");
}
@Override

10
app/src/main/java/com/wireguard/config/Config.java
View File

@ -40,7 +40,7 @@ public class Config extends BaseObservable
public static final int NAME_MAX_LENGTH = 16;
private static final Pattern PATTERN = Pattern.compile("^[a-zA-Z0-9_=+.-]{1,16}$");
private static boolean isNameValid(final String name) {
public static boolean isNameValid(final String name) {
return name.length() <= NAME_MAX_LENGTH && PATTERN.matcher(name).matches();
}
@ -180,14 +180,6 @@ public class Config extends BaseObservable
return sb.toString();
}
public String validate() {
if (name == null || !isNameValid(name))
return "This configuration does not have a valid name.";
if (iface.getPublicKey() == null)
return "This configuration does not have a valid keypair.";
return null;
}
@Override
public void writeToParcel(final Parcel dest, final int flags) {
dest.writeParcelable(iface, flags);