From 9650dc2edffe9c5c3c2b58c2309e7fc47e19b918 Mon Sep 17 00:00:00 2001 From: emusic Date: Fri, 23 Mar 2018 09:50:46 +0100 Subject: some changes --- .../pdfas/lib/util/DefaultSecHandlerFactory.java | 162 --------------------- 1 file changed, 162 deletions(-) delete mode 100644 pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/util/DefaultSecHandlerFactory.java (limited to 'pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/util/DefaultSecHandlerFactory.java') diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/util/DefaultSecHandlerFactory.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/util/DefaultSecHandlerFactory.java deleted file mode 100644 index f1f4ab38..00000000 --- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/util/DefaultSecHandlerFactory.java +++ /dev/null @@ -1,162 +0,0 @@ -package at.gv.egiz.pdfas.lib.util;/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You 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. - */ - -import org.apache.pdfbox.pdmodel.encryption.*; - -import java.lang.reflect.Constructor; -import java.lang.reflect.InvocationTargetException; -import java.util.HashMap; -import java.util.Map; - - -/** - * Manages security handlers for the application. - * It follows the singleton pattern. - * To be usable, security managers must be registered in it. - * Security managers are retrieved by the application when necessary. - * - * @author Benoit Guillon - * @author John Hewson - */ -public final class DefaultSecHandlerFactory -{ - /** Singleton instance */ - public static final DefaultSecHandlerFactory INSTANCE = new DefaultSecHandlerFactory(); - - static - { - - //Security.addProvider(new BouncyCastleProvider()); - } - - private final Map> nameToHandler = - new HashMap>(); - - private final Map, - Class> policyToHandler = - new HashMap, - Class>(); - - private DefaultSecHandlerFactory() - { - registerHandler(StandardSecurityHandler.FILTER, - StandardSecurityHandler.class, - StandardProtectionPolicy.class); - - registerHandler(PublicKeySecurityHandler.FILTER, - PublicKeySecurityHandler.class, - PublicKeyProtectionPolicy.class); - } - - /** - * Registers a security handler. - * - * If the security handler was already registered an exception is thrown. - * If another handler was previously registered for the same filter name or - * for the same policy name, an exception is thrown - * - * @param name the name of the filter - * @param securityHandler security handler class to register - * @param protectionPolicy protection policy class to register - */ - public void registerHandler(String name, - Class securityHandler, - Class protectionPolicy) - { - if (nameToHandler.containsKey(name)) - { - throw new IllegalStateException("The security handler name is already registered"); - } - - nameToHandler.put(name, securityHandler); - policyToHandler.put(protectionPolicy, securityHandler); - } - - /** - * Returns a new security handler for the given protection policy, or null none is available. - * @param policy the protection policy for which to create a security handler - * @return a new SecurityHandler instance, or null if none is available - */ - public SecurityHandler newSecurityHandlerForPolicy(ProtectionPolicy policy) - { - Class handlerClass = policyToHandler.get(policy.getClass()); - if (handlerClass == null) - { - return null; - } - - Class[] argsClasses = { policy.getClass() }; - Object[] args = { policy }; - return newSecurityHandler(handlerClass, argsClasses, args); - } - - /** - * Returns a new security handler for the given Filter name, or null none is available. - * @param name the Filter name from the PDF encryption dictionary - * @return a new SecurityHandler instance, or null if none is available - */ - public SecurityHandler newSecurityHandlerForFilter(String name) - { - Class handlerClass = nameToHandler.get(name); - if (handlerClass == null) - { - return null; - } - - Class[] argsClasses = { }; - Object[] args = { }; - return newSecurityHandler(handlerClass, argsClasses, args); - } - - /* Returns a new security handler for the given parameters, or null none is available. - * - * @param handlerClass the handler class. - * @param argsClasses the parameter array. - * @param args array of objects to be passed as arguments to the constructor call. - * @return a new SecurityHandler instance, or null if none is available. - */ - private SecurityHandler newSecurityHandler(Class handlerClass, - Class[] argsClasses, Object[] args) - { - try - { - Constructor ctor = - handlerClass.getDeclaredConstructor(argsClasses); - return ctor.newInstance(args); - } - catch(NoSuchMethodException e) - { - // should not happen in normal operation - throw new RuntimeException(e); - } - catch(IllegalAccessException e) - { - // should not happen in normal operation - throw new RuntimeException(e); - } - catch(InstantiationException e) - { - // should not happen in normal operation - throw new RuntimeException(e); - } - catch(InvocationTargetException e) - { - // should not happen in normal operation - throw new RuntimeException(e); - } - } -} -- cgit v1.2.3