src/frontends/android/app/src/main/java/org/strongswan/android/logic/imc/AndroidImc.java

   1 /*
   2  * Copyright (C) 2013 Tobias Brunner
   3  *
   4  * Copyright (C) secunet Security Networks AG
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; either version 2 of the License, or (at your
   9  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * for more details.
  15  */
  16
  17 package org.strongswan.android.logic.imc;
  18
  19 import org.strongswan.android.logic.imc.attributes.Attribute;
  20 import org.strongswan.android.logic.imc.attributes.AttributeType;
  21 import org.strongswan.android.logic.imc.collectors.Collector;
  22 import org.strongswan.android.logic.imc.collectors.DeviceIdCollector;
  23 import org.strongswan.android.logic.imc.collectors.InstalledPackagesCollector;
  24 import org.strongswan.android.logic.imc.collectors.PortFilterCollector;
  25 import org.strongswan.android.logic.imc.collectors.ProductInformationCollector;
  26 import org.strongswan.android.logic.imc.collectors.SettingsCollector;
  27 import org.strongswan.android.logic.imc.collectors.StringVersionCollector;
  28
  29 import android.content.Context;
  30
  31 public class AndroidImc
  32 {
  33         private final Context mContext;
  34
  35         public AndroidImc(Context context)
  36         {
  37                 mContext = context;
  38         }
  39
  40         /**
  41          * Get a measurement (the binary encoding of the requested attribute) for
  42          * the given vendor specific attribute type.
  43          *
  44          * @param vendor vendor ID
  45          * @param type vendor specific attribute type
  46          * @return encoded attribute, or null if not available or failed
  47          */
  48         public byte[] getMeasurement(int vendor, int type)
  49         {
  50                 return getMeasurement(vendor, type, null);
  51         }
  52
  53         /**
  54          * Get a measurement (the binary encoding of the requested attribute) for
  55          * the given vendor specific attribute type.
  56          *
  57          * @param vendor vendor ID
  58          * @param type vendor specific attribute type
  59          * @param args optional arguments for a measurement
  60          * @return encoded attribute, or null if not available or failed
  61          */
  62         public byte[] getMeasurement(int vendor, int type, String[] args)
  63         {
  64                 AttributeType attributeType = AttributeType.fromValues(vendor, type);
  65                 Collector collector = null;
  66
  67                 switch (attributeType)
  68                 {
  69                         case IETF_PRODUCT_INFORMATION:
  70                                 collector = new ProductInformationCollector();
  71                                 break;
  72                         case IETF_STRING_VERSION:
  73                                 collector = new StringVersionCollector();
  74                                 break;
  75                         case IETF_PORT_FILTER:
  76                                 collector = new PortFilterCollector();
  77                                 break;
  78                         case IETF_INSTALLED_PACKAGES:
  79                                 collector = new InstalledPackagesCollector(mContext);
  80                                 break;
  81                         case ITA_SETTINGS:
  82                                 collector = new SettingsCollector(mContext, args);
  83                                 break;
  84                         case ITA_DEVICE_ID:
  85                                 collector = new DeviceIdCollector(mContext);
  86                                 break;
  87                         default:
  88                                 break;
  89                 }
  90                 if (collector != null)
  91                 {
  92                         Attribute attribute = collector.getMeasurement();
  93                         if (attribute != null)
  94                         {
  95                                 return attribute.getEncoding();
  96                         }
  97                 }
  98                 return null;
  99         }
 100 }