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/*
* Copyright 2000-2011 JetBrains s.r.o.
*
* 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.intellij.ide.passwordSafe.impl;
import com.intellij.ide.passwordSafe.PasswordSafe;
import com.intellij.ide.passwordSafe.PasswordSafeException;
import com.intellij.ide.passwordSafe.config.PasswordSafeSettings;
import com.intellij.ide.passwordSafe.impl.providers.masterKey.MasterKeyPasswordSafe;
import com.intellij.ide.passwordSafe.impl.providers.masterKey.PasswordDatabase;
import com.intellij.ide.passwordSafe.impl.providers.memory.MemoryPasswordSafe;
import com.intellij.ide.passwordSafe.impl.providers.nil.NilProvider;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.project.Project;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* The implementation of password safe service
*/
public class PasswordSafeImpl extends PasswordSafe {
/**
* The logger instance
*/
private static final Logger LOG = Logger.getInstance(PasswordSafeImpl.class.getName());
/**
* The current settings
*/
private final PasswordSafeSettings mySettings;
/**
* The master key provider
*/
private final MasterKeyPasswordSafe myMasterKeyProvider;
/**
* The nil provider
*/
private final NilProvider myNilProvider;
/**
* The memory provider
*/
private final MemoryPasswordSafe myMemoryProvider;
/**
* The constructor
*
* @param settings the settings for the password safe
* @param database the password database
*/
public PasswordSafeImpl(PasswordSafeSettings settings, PasswordDatabase database) {
mySettings = settings;
myMasterKeyProvider = new MasterKeyPasswordSafe(database);
myNilProvider = new NilProvider();
myMemoryProvider = new MemoryPasswordSafe();
}
/**
* @return get currently selected provider
*/
private PasswordSafeProvider provider() {
PasswordSafeProvider p = null;
switch (mySettings.getProviderType()) {
case DO_NOT_STORE:
p = myNilProvider;
break;
case MEMORY_ONLY:
p = myMemoryProvider;
break;
case MASTER_PASSWORD:
p = myMasterKeyProvider;
break;
default:
LOG.error("Unknown provider type: " + mySettings.getProviderType());
}
if (p == null || !p.isSupported()) {
p = myMemoryProvider;
}
return p;
}
/**
* @return settings for the passwords safe
*/
public PasswordSafeSettings getSettings() {
return mySettings;
}
@Nullable
public String getPassword(@Nullable Project project, @NotNull Class requester, String key) throws PasswordSafeException {
if (mySettings.getProviderType().equals(PasswordSafeSettings.ProviderType.MASTER_PASSWORD)) {
String password = getMemoryProvider().getPassword(project, requester, key);
if (password == null) {
password = provider().getPassword(project, requester, key);
if (password != null) {
// cache the password in memory as well for easier access during the session
getMemoryProvider().storePassword(project, requester, key, password);
}
}
return password;
}
return provider().getPassword(project, requester, key);
}
/**
* {@inheritDoc}
*/
public void removePassword(@Nullable Project project, @NotNull Class requester, String key) throws PasswordSafeException {
if (mySettings.getProviderType().equals(PasswordSafeSettings.ProviderType.MASTER_PASSWORD)) {
getMemoryProvider().removePassword(project, requester, key);
}
provider().removePassword(project, requester, key);
}
/**
* {@inheritDoc}
*/
public void storePassword(@Nullable Project project, @NotNull Class requester, String key, String value) throws PasswordSafeException {
if (mySettings.getProviderType().equals(PasswordSafeSettings.ProviderType.MASTER_PASSWORD)) {
getMemoryProvider().storePassword(project, requester, key, value);
}
provider().storePassword(project, requester, key, value);
}
/**
* @return get master key provider instance (used for configuration specific to this provider)
*/
public MasterKeyPasswordSafe getMasterKeyProvider() {
return myMasterKeyProvider;
}
public MemoryPasswordSafe getMemoryProvider() {
return myMemoryProvider;
}
}
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