diff options
Diffstat (limited to 'app/src/main/java/se/leap/bitmaskclient/eip/VpnConfigGenerator.java')
-rw-r--r-- | app/src/main/java/se/leap/bitmaskclient/eip/VpnConfigGenerator.java | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/app/src/main/java/se/leap/bitmaskclient/eip/VpnConfigGenerator.java b/app/src/main/java/se/leap/bitmaskclient/eip/VpnConfigGenerator.java new file mode 100644 index 00000000..8e36f53c --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/eip/VpnConfigGenerator.java @@ -0,0 +1,145 @@ +/** + * 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.content.SharedPreferences; +import android.util.Log; +import java.util.Iterator; +import java.util.Vector; +import org.json.JSONArray; +import org.json.JSONObject; +import org.json.JSONException; + +import se.leap.bitmaskclient.*; + +public class VpnConfigGenerator { + + private JSONObject general_configuration; + private JSONObject gateway; + + private static SharedPreferences preferences; + public final static String TAG = VpnConfigGenerator.class.getSimpleName(); + private final String new_line = System.getProperty("line.separator"); // Platform new line + + public VpnConfigGenerator(SharedPreferences preferences, JSONObject general_configuration, JSONObject gateway) { + this.general_configuration = general_configuration; + this.gateway = gateway; + this.preferences = preferences; + } + + public String generate() { + return + generalConfiguration() + + new_line + + gatewayConfiguration() + + new_line + + secretsConfiguration() + + new_line + + androidCustomizations(); + } + + private String generalConfiguration() { + String common_options = ""; + try { + Iterator keys = general_configuration.keys(); + Vector<Vector<String>> value = new Vector<Vector<String>>(); + while ( keys.hasNext() ){ + String key = keys.next().toString(); + + common_options += key + " "; + for ( String word : general_configuration.getString(key).split(" ") ) + common_options += word + " "; + common_options += new_line; + + } + } catch (JSONException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + + common_options += "client"; + + return common_options; + } + + private String gatewayConfiguration() { + String remotes = ""; + + String remote = "ip_address"; + String remote_openvpn_keyword = "remote"; + String ports = "ports"; + String protos = "protocols"; + String capabilities = "capabilities"; + String udp = "udp"; + + try { + JSONArray protocolsJSON = gateway.getJSONObject(capabilities).getJSONArray(protos); + for ( int i=0; i<protocolsJSON.length(); i++ ) { + String remote_line = remote_openvpn_keyword; + remote_line += " " + gateway.getString(remote); + remote_line += " " + gateway.getJSONObject(capabilities).getJSONArray(ports).optString(0); + remote_line += " " + protocolsJSON.optString(i); + if(remote_line.endsWith(udp)) + remotes = remotes.replaceFirst(remote_openvpn_keyword, remote_line + new_line + remote_openvpn_keyword); + else + remotes += remote_line; + remotes += new_line; + } + } catch (JSONException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + + Log.d(TAG, "remotes = " + remotes); + return remotes; + } + + private String secretsConfiguration() { + + String ca = + "<ca>" + + new_line + + preferences.getString(Provider.CA_CERT, "") + + new_line + + "</ca>"; + + String key = + "<key>" + + new_line + + preferences.getString(Constants.PRIVATE_KEY, "") + + new_line + + "</key>"; + + String openvpn_cert = + "<cert>" + + new_line + + preferences.getString(Constants.CERTIFICATE, "") + + new_line + + "</cert>"; + + return ca + new_line + key + new_line + openvpn_cert; + } + + private String androidCustomizations() { + return + "remote-cert-tls server" + + new_line + + "persist-tun" + + new_line + + "auth-retry nointeract"; + } +} |