android: Start a specific VPN profile based on special Intents

src/frontends/android/AndroidManifest.xml

@@ -35,9 +35,12 @@
             android:launchMode="singleTop" >
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
-
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
+            <intent-filter>
+                <action android:name="org.strongswan.android.action.START_PROFILE" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
         </activity>
         <activity
             android:name=".ui.VpnProfileDetailActivity" >

src/frontends/android/res/values-de/strings.xml

@@ -27,6 +27,7 @@
     <string name="vpn_not_supported">Ihr Gerät unterstützt keine VPN Anwendungen.\nBitte kontaktieren Sie den Hersteller.</string>
     <string name="vpn_not_supported_during_lockdown">VPN Verbindungen sind nicht möglich im abgeriegelten Modus.</string>
     <string name="loading">Laden&#8230;</string>
+    <string name="profile_not_found">Profil nicht gefunden</string>
 
     <!-- Log view -->
     <string name="log_title">Log</string>

src/frontends/android/res/values-pl/strings.xml

@@ -29,6 +29,7 @@
     <string name="vpn_not_supported">Urządzenie nie obsługuje aplikacji VPN.\nProszę skontaktować się z producentem.</string>
     <string name="vpn_not_supported_during_lockdown">Polączenia nie sa możliwe w trybie zamkniętym</string>
     <string name="loading">Wczytywanie&#8230;</string>
+    <string name="profile_not_found">Nie znaleziono profilu</string>
 
     <!-- Log view -->
     <string name="log_title">Log</string>

src/frontends/android/res/values/strings.xml

@@ -27,6 +27,7 @@
     <string name="vpn_not_supported">Your device does not support VPN applications.\nPlease contact the manufacturer.</string>
     <string name="vpn_not_supported_during_lockdown">VPN connections are not supported in lockdown mode.</string>
     <string name="loading">Loading&#8230;</string>
+    <string name="profile_not_found">Profile not found</string>
 
     <!-- Log view -->
     <string name="log_title">Log</string>

src/frontends/android/src/org/strongswan/android/ui/MainActivity.java

@@ -42,10 +42,13 @@ import android.view.MenuItem;
 import android.view.View;
 import android.view.Window;
 import android.widget.EditText;
+import android.widget.Toast;
 
 public class MainActivity extends Activity implements OnVpnProfileSelectedListener
 {
 	public static final String CONTACT_EMAIL = "[email protected]";
+	public static final String START_PROFILE = "org.strongswan.android.action.START_PROFILE";
+	public static final String EXTRA_VPN_PROFILE_ID = "org.strongswan.android.VPN_PROFILE_ID";
 	private static final int PREPARE_VPN_SERVICE = 0;
 
 	private Bundle mProfileInfo;
@@ -62,6 +65,25 @@ public class MainActivity extends Activity implements OnVpnProfileSelectedListen
 
 		/* load CA certificates in a background task */
 		new CertificateLoadTask().executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, false);
+
+		if (START_PROFILE.equals(getIntent().getAction()))
+		{
+			startVpnProfile(getIntent());
+		}
+	}
+
+	/**
+	 * Due to launchMode=singleTop this is called if the Activity already exists
+	 */
+	@Override
+	protected void onNewIntent(Intent intent)
+	{
+		super.onNewIntent(intent);
+
+		if (START_PROFILE.equals(intent.getAction()))
+		{
+			startVpnProfile(intent);
+		}
 	}
 
 	@Override
@@ -167,6 +189,33 @@ public class MainActivity extends Activity implements OnVpnProfileSelectedListen
 		}
 	}
 
+	/**
+	 * Start the VPN profile referred to by the given intent. Displays an error
+	 * if the profile doesn't exist.
+	 * @param intent Intent that caused us to start this
+	 */
+	private void startVpnProfile(Intent intent)
+	{
+		long profileId = intent.getLongExtra(EXTRA_VPN_PROFILE_ID, 0);
+		if (profileId <= 0)
+		{	/* invalid invocation */
+			return;
+		}
+		VpnProfileDataSource dataSource = new VpnProfileDataSource(this);
+		dataSource.open();
+		VpnProfile profile = dataSource.getVpnProfile(profileId);
+		dataSource.close();
+
+		if (profile != null)
+		{
+			onVpnProfileSelected(profile);
+		}
+		else
+		{
+			Toast.makeText(this, R.string.profile_not_found, Toast.LENGTH_LONG).show();
+		}
+	}
+
 	/**
 	 * Class that loads or reloads the cached CA certificates.
 	 */