| /* |
| * Copyright (C) 2013 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.server.pm; |
| |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| public class PackageKeySetData { |
| |
| private long[] mSigningKeySets; |
| |
| private long[] mDefinedKeySets; |
| |
| private final Map<String, Long> mKeySetAliases; |
| |
| PackageKeySetData() { |
| mSigningKeySets = new long[0]; |
| mDefinedKeySets = new long[0]; |
| mKeySetAliases = new HashMap<String, Long>(); |
| } |
| |
| PackageKeySetData(PackageKeySetData original) { |
| mSigningKeySets = original.getSigningKeySets().clone(); |
| mDefinedKeySets = original.getDefinedKeySets().clone(); |
| mKeySetAliases = new HashMap<String, Long>(); |
| mKeySetAliases.putAll(original.getAliases()); |
| } |
| |
| public void addSigningKeySet(long ks) { |
| // deduplicate |
| for (long knownKeySet : mSigningKeySets) { |
| if (ks == knownKeySet) { |
| return; |
| } |
| } |
| int end = mSigningKeySets.length; |
| mSigningKeySets = Arrays.copyOf(mSigningKeySets, end + 1); |
| mSigningKeySets[end] = ks; |
| } |
| |
| public void removeSigningKeySet(long ks) { |
| if (packageIsSignedBy(ks)) { |
| long[] keysets = new long[mSigningKeySets.length - 1]; |
| int index = 0; |
| for (long signingKeySet : mSigningKeySets) { |
| if (signingKeySet != ks) { |
| keysets[index] = signingKeySet; |
| index += 1; |
| } |
| } |
| mSigningKeySets = keysets; |
| } |
| } |
| |
| public void addDefinedKeySet(long ks, String alias) { |
| // deduplicate |
| for (long knownKeySet : mDefinedKeySets) { |
| if (ks == knownKeySet) { |
| return; |
| } |
| } |
| int end = mDefinedKeySets.length; |
| mDefinedKeySets = Arrays.copyOf(mDefinedKeySets, end + 1); |
| mDefinedKeySets[end] = ks; |
| mKeySetAliases.put(alias, ks); |
| } |
| |
| public void removeDefinedKeySet(long ks) { |
| if (mKeySetAliases.containsValue(ks)) { |
| long[] keysets = new long[mDefinedKeySets.length - 1]; |
| int index = 0; |
| for (long definedKeySet : mDefinedKeySets) { |
| if (definedKeySet != ks) { |
| keysets[index] = definedKeySet; |
| index += 1; |
| } |
| } |
| mDefinedKeySets = keysets; |
| for (String alias : mKeySetAliases.keySet()) { |
| if (mKeySetAliases.get(alias) == ks) { |
| mKeySetAliases.remove(alias); |
| break; |
| } |
| } |
| } |
| } |
| |
| public boolean packageIsSignedBy(long ks) { |
| for (long signingKeySet : mSigningKeySets) { |
| if (ks == signingKeySet) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public long[] getSigningKeySets() { |
| return mSigningKeySets; |
| } |
| |
| public long[] getDefinedKeySets() { |
| return mDefinedKeySets; |
| } |
| |
| public Map<String, Long> getAliases() { |
| return mKeySetAliases; |
| } |
| } |