Migrate VpnProfile definition to framework.

Bug: 5756357
Change-Id: I23c4e391e3b48e9645f872ae0145fe672745adca

Author: jsharkey

core/java/com/android/internal/net/VpnProfile.java

@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.internal.net;
+
+import java.nio.charset.Charsets;
+
+/**
+ * Parcel-like entity class for VPN profiles. To keep things simple, all
+ * fields are package private. Methods are provided for serialization, so
+ * storage can be implemented easily. Two rules are set for this class.
+ * First, all fields must be kept non-null. Second, always make a copy
+ * using clone() before modifying.
+ *
+ * @hide
+ */
+public class VpnProfile implements Cloneable {
+    // Match these constants with R.array.vpn_types.
+    public static final int TYPE_PPTP = 0;
+    public static final int TYPE_L2TP_IPSEC_PSK = 1;
+    public static final int TYPE_L2TP_IPSEC_RSA = 2;
+    public static final int TYPE_IPSEC_XAUTH_PSK = 3;
+    public static final int TYPE_IPSEC_XAUTH_RSA = 4;
+    public static final int TYPE_IPSEC_HYBRID_RSA = 5;
+    public static final int TYPE_MAX = 5;
+
+    // Entity fields.
+    public final String key;           // -1
+    public String name = "";           // 0
+    public int type = TYPE_PPTP;       // 1
+    public String server = "";         // 2
+    public String username = "";       // 3
+    public String password = "";       // 4
+    public String dnsServers = "";     // 5
+    public String searchDomains = "";  // 6
+    public String routes = "";         // 7
+    public boolean mppe = true;        // 8
+    public String l2tpSecret = "";     // 9
+    public String ipsecIdentifier = "";// 10
+    public String ipsecSecret = "";    // 11
+    public String ipsecUserCert = "";  // 12
+    public String ipsecCaCert = "";    // 13
+    public String ipsecServerCert = "";// 14
+
+    // Helper fields.
+    public boolean saveLogin = false;
+
+    public VpnProfile(String key) {
+        this.key = key;
+    }
+
+    public static VpnProfile decode(String key, byte[] value) {
+        try {
+            if (key == null) {
+                return null;
+            }
+
+            String[] values = new String(value, Charsets.UTF_8).split("\0", -1);
+            // There can be 14 or 15 values in ICS MR1.
+            if (values.length < 14 || values.length > 15) {
+                return null;
+            }
+
+            VpnProfile profile = new VpnProfile(key);
+            profile.name = values[0];
+            profile.type = Integer.valueOf(values[1]);
+            if (profile.type < 0 || profile.type > TYPE_MAX) {
+                return null;
+            }
+            profile.server = values[2];
+            profile.username = values[3];
+            profile.password = values[4];
+            profile.dnsServers = values[5];
+            profile.searchDomains = values[6];
+            profile.routes = values[7];
+            profile.mppe = Boolean.valueOf(values[8]);
+            profile.l2tpSecret = values[9];
+            profile.ipsecIdentifier = values[10];
+            profile.ipsecSecret = values[11];
+            profile.ipsecUserCert = values[12];
+            profile.ipsecCaCert = values[13];
+            profile.ipsecServerCert = (values.length > 14) ? values[14] : "";
+
+            profile.saveLogin = !profile.username.isEmpty() || !profile.password.isEmpty();
+            return profile;
+        } catch (Exception e) {
+            // ignore
+        }
+        return null;
+    }
+
+    public byte[] encode() {
+        StringBuilder builder = new StringBuilder(name);
+        builder.append('\0').append(type);
+        builder.append('\0').append(server);
+        builder.append('\0').append(saveLogin ? username : "");
+        builder.append('\0').append(saveLogin ? password : "");
+        builder.append('\0').append(dnsServers);
+        builder.append('\0').append(searchDomains);
+        builder.append('\0').append(routes);
+        builder.append('\0').append(mppe);
+        builder.append('\0').append(l2tpSecret);
+        builder.append('\0').append(ipsecIdentifier);
+        builder.append('\0').append(ipsecSecret);
+        builder.append('\0').append(ipsecUserCert);
+        builder.append('\0').append(ipsecCaCert);
+        builder.append('\0').append(ipsecServerCert);
+        return builder.toString().getBytes(Charsets.UTF_8);
+    }
+}