diff options
Diffstat (limited to 'app/src/main/java/se/leap/bitmaskclient/eip/Gateway.java')
-rw-r--r-- | app/src/main/java/se/leap/bitmaskclient/eip/Gateway.java | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/app/src/main/java/se/leap/bitmaskclient/eip/Gateway.java b/app/src/main/java/se/leap/bitmaskclient/eip/Gateway.java new file mode 100644 index 00000000..3ee9443c --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/eip/Gateway.java @@ -0,0 +1,156 @@ +/** + * Copyright (c) 2013 LEAP Encryption Access Project and contributers + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +package se.leap.bitmaskclient.eip; + +import android.app.Activity; +import android.content.Context; +import android.content.SharedPreferences; +import android.util.Log; + +import org.json.JSONException; +import org.json.JSONObject; + +import java.io.IOException; +import java.io.StringReader; +import java.util.Collection; +import java.util.Iterator; + +import de.blinkt.openvpn.VpnProfile; +import de.blinkt.openvpn.core.ConfigParser; +import de.blinkt.openvpn.core.ProfileManager; +import se.leap.bitmaskclient.Dashboard; + +/** + * Gateway provides objects defining gateways and their metadata. + * Each instance contains a VpnProfile for OpenVPN specific data and member + * variables describing capabilities and location (name) + * + * @author Sean Leonard <meanderingcode@aetherislands.net> + * @author Parménides GV <parmegv@sdf.org> + */ +public class Gateway { + + private String TAG = Gateway.class.getSimpleName(); + + private String mName; + private int timezone; + private JSONObject general_configuration; + private Context context; + private VpnProfile mVpnProfile; + private JSONObject mGateway; + + /** + * Build a gateway object from a JSON OpenVPN gateway definition in eip-service.json + * and create a VpnProfile belonging to it. + * + * @param gateway The JSON OpenVPN gateway definition to parse + */ + protected Gateway(JSONObject eip_definition, Context context, JSONObject gateway){ + + mGateway = gateway; + + this.context = context; + general_configuration = getGeneralConfiguration(eip_definition); + timezone = getTimezone(eip_definition); + mName = locationAsName(eip_definition); + + // Currently deletes VpnProfile for host, if there already is one, and builds new + ProfileManager vpl = ProfileManager.getInstance(context); + Collection<VpnProfile> profiles = vpl.getProfiles(); + for (Iterator<VpnProfile> it = profiles.iterator(); it.hasNext(); ){ + VpnProfile p = it.next(); + + if ( p.mName.equalsIgnoreCase( mName ) ) { + it.remove(); + vpl.removeProfile(context, p); + } + } + + mVpnProfile = createVPNProfile(); + mVpnProfile.mName = mName; + + vpl.addProfile(mVpnProfile); + vpl.saveProfile(context, mVpnProfile); + vpl.saveProfileList(context); + } + + private JSONObject getGeneralConfiguration(JSONObject eip_definition) { + try { + return eip_definition.getJSONObject("openvpn_configuration"); + } catch (JSONException e) { + return new JSONObject(); + } + } + + private int getTimezone(JSONObject eip_definition) { + JSONObject location = getLocationInfo(eip_definition); + return location.optInt("timezone"); + } + + private String locationAsName(JSONObject eip_definition) { + JSONObject location = getLocationInfo(eip_definition); + return location.optString("name"); + } + + private JSONObject getLocationInfo(JSONObject eip_definition) { + try { + JSONObject locations = eip_definition.getJSONObject("locations"); + + return locations.getJSONObject(mGateway.getString("location")); + } catch (JSONException e) { + return new JSONObject(); + } + } + + /** + * Create and attach the VpnProfile to our gateway object + */ + private VpnProfile createVPNProfile(){ + try { + ConfigParser cp = new ConfigParser(); + + SharedPreferences preferences = context.getSharedPreferences(Dashboard.SHARED_PREFERENCES, Activity.MODE_PRIVATE); + VpnConfigGenerator vpn_configuration_generator = new VpnConfigGenerator(preferences, general_configuration, mGateway); + String configuration = vpn_configuration_generator.generate(); + + cp.parseConfig(new StringReader(configuration)); + return cp.convertProfile(); + } catch (ConfigParser.ConfigParseError e) { + // FIXME We didn't get a VpnProfile! Error handling! and log level + Log.v(TAG,"Error creating VPNProfile"); + e.printStackTrace(); + return null; + } catch (IOException e) { + // FIXME We didn't get a VpnProfile! Error handling! and log level + Log.v(TAG,"Error creating VPNProfile"); + e.printStackTrace(); + return null; + } + } + + public String getName() { + return mName; + } + + public VpnProfile getProfile() { + return mVpnProfile; + } + + public int getTimezone() { + return timezone; + } +} |