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/*******************************************************************************
* Copyright (c) 2008, 2010 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.osgi.internal.signedcontent;
import java.io.IOException;
import java.security.cert.CertificateExpiredException;
import java.security.cert.CertificateNotYetValidException;
import java.util.*;
import org.eclipse.osgi.signedcontent.*;
/*
* This class is used by the SignedContentFactory to create SignedContent objects from File objects. This is needed
* to avoid leaving the underlying ZipFiles open for the SignedContent objects returned from the
* SignedContentFactory (bug 225090)
*/
public class SignedContentFile implements SignedContent {
private final SignedContentImpl signedContent;
// a cache of verification exceptions
private Map<String, Throwable> entryExceptions = null;
public SignedContentFile(SignedContentImpl signedContent) {
try {
signedContent.content.close();
} catch (IOException e) {
// do nothing
}
this.signedContent = signedContent;
}
public void checkValidity(SignerInfo signerInfo) throws CertificateExpiredException, CertificateNotYetValidException {
signedContent.checkValidity(signerInfo);
}
public synchronized SignedContentEntry[] getSignedEntries() {
SignedContentEntry[] entries = signedContent.getSignedEntries();
if (signedContent == null)
return null;
SignedContentEntry[] results = new SignedContentEntry[entries.length];
Map<String, Throwable> exceptions = getEntryExceptions(true);
for (int i = 0; i < entries.length; i++) {
try {
entries[i].verify();
} catch (Throwable t) {
exceptions.put(entries[i].getName(), t);
}
results[i] = new SignedContentFileEntry(entries[i]);
}
try {
// ensure the content is closed after caching the exceptions
signedContent.content.close();
} catch (IOException e) {
// do nothing
}
return results;
}
public synchronized SignedContentEntry getSignedEntry(String name) {
if (getEntryExceptions(false) == null)
getSignedEntries(); // populate the entry exceptions
SignedContentEntry entry = signedContent.getSignedEntry(name);
return entry == null ? null : new SignedContentFileEntry(entry);
}
public SignerInfo[] getSignerInfos() {
return signedContent.getSignerInfos();
}
public Date getSigningTime(SignerInfo signerInfo) {
return signedContent.getSigningTime(signerInfo);
}
public SignerInfo getTSASignerInfo(SignerInfo signerInfo) {
return signedContent.getTSASignerInfo(signerInfo);
}
public boolean isSigned() {
return signedContent.isSigned();
}
synchronized Map<String, Throwable> getEntryExceptions(boolean create) {
if (create && entryExceptions == null)
entryExceptions = new HashMap<String, Throwable>(5);
return entryExceptions;
}
public class SignedContentFileEntry implements SignedContentEntry {
private final SignedContentEntry entry;
public SignedContentFileEntry(SignedContentEntry entry) {
this.entry = entry;
}
public String getName() {
return entry.getName();
}
public SignerInfo[] getSignerInfos() {
return entry.getSignerInfos();
}
public boolean isSigned() {
return entry.isSigned();
}
public void verify() throws IOException, InvalidContentException {
// check the entry exceptions map for the entry name
Map<String, Throwable> exceptions = getEntryExceptions(false);
Throwable t = exceptions == null ? null : (Throwable) exceptions.get(entry.getName());
if (t == null)
return;
if (t instanceof IOException)
throw (IOException) t;
if (t instanceof InvalidContentException)
throw (InvalidContentException) t;
if (t instanceof Error)
throw (Error) t;
if (t instanceof RuntimeException)
throw (RuntimeException) t;
}
}
}
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