зеркало из https://github.com/mozilla/pjs.git
253 строки
7.5 KiB
C++
253 строки
7.5 KiB
C++
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998-2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Don Bragg <dbragg@netscape.com>
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* Samir Gehani <sgehani@netscape.com>
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* Mitch Stoltz <mstoltz@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsJAR_h__
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#define nsJAR_h__
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#include "nscore.h"
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#include "pratom.h"
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#include "prmem.h"
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#include "prio.h"
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#include "plstr.h"
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#include "prlog.h"
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#include "prtypes.h"
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#include "prinrval.h"
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#include "nsIComponentManager.h"
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#include "nsCOMPtr.h"
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#include "nsString.h"
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#include "nsIFile.h"
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#include "nsStringEnumerator.h"
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#include "nsHashtable.h"
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#include "nsAutoLock.h"
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#include "nsIZipReader.h"
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#include "nsIJAR.h"
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#include "nsZipArchive.h"
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#include "zipfile.h"
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#include "nsIPrincipal.h"
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#include "nsISignatureVerifier.h"
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#include "nsIObserverService.h"
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#include "nsWeakReference.h"
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#include "nsIObserver.h"
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class nsIInputStream;
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class nsJARManifestItem;
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class nsZipReaderCache;
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/* For mManifestStatus */
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typedef enum
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{
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JAR_MANIFEST_NOT_PARSED = 0,
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JAR_VALID_MANIFEST = 1,
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JAR_INVALID_SIG = 2,
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JAR_INVALID_UNKNOWN_CA = 3,
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JAR_INVALID_MANIFEST = 4,
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JAR_INVALID_ENTRY = 5,
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JAR_NO_MANIFEST = 6,
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JAR_NOT_SIGNED = 7
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} JARManifestStatusType;
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PRTime GetModTime(PRUint16 aDate, PRUint16 aTime);
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/*-------------------------------------------------------------------------
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* Class nsJAR declaration.
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* nsJAR serves as an XPCOM wrapper for nsZipArchive with the addition of
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* JAR manifest file parsing.
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*------------------------------------------------------------------------*/
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class nsJAR : public nsIZipReader, public nsIJAR
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{
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// Allows nsJARInputStream to call the verification functions
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friend class nsJARInputStream;
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public:
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nsJAR();
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virtual ~nsJAR();
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NS_DEFINE_STATIC_CID_ACCESSOR( NS_ZIPREADER_CID )
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NS_DECL_ISUPPORTS
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NS_DECL_NSIZIPREADER
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NS_DECL_NSIJAR
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nsresult GetJarPath(nsACString& aResult);
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PRIntervalTime GetReleaseTime() {
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return mReleaseTime;
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}
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PRBool IsReleased() {
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return mReleaseTime != PR_INTERVAL_NO_TIMEOUT;
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}
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void SetReleaseTime() {
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mReleaseTime = PR_IntervalNow();
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}
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void ClearReleaseTime() {
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mReleaseTime = PR_INTERVAL_NO_TIMEOUT;
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}
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void SetZipReaderCache(nsZipReaderCache* cache) {
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mCache = cache;
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}
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protected:
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//-- Private data members
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nsCOMPtr<nsIFile> mZipFile; // The zip/jar file on disk
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nsZipArchive mZip; // The underlying zip archive
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nsObjectHashtable mManifestData; // Stores metadata for each entry
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PRBool mParsedManifest; // True if manifest has been parsed
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nsCOMPtr<nsIPrincipal> mPrincipal; // The entity which signed this file
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PRInt16 mGlobalStatus; // Global signature verification status
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PRIntervalTime mReleaseTime; // used by nsZipReaderCache for flushing entries
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nsZipReaderCache* mCache; // if cached, this points to the cache it's contained in
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PRLock* mLock;
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PRInt32 mTotalItemsInManifest;
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//-- Private functions
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PRFileDesc* OpenFile();
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nsresult ParseManifest(nsISignatureVerifier* verifier);
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void ReportError(const char* aFilename, PRInt16 errorCode);
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nsresult LoadEntry(const char* aFilename, char** aBuf,
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PRUint32* aBufLen = nsnull);
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PRInt32 ReadLine(const char** src);
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nsresult ParseOneFile(const char* filebuf, PRInt16 aFileType);
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nsresult VerifyEntry(nsJARManifestItem* aEntry, const char* aEntryData,
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PRUint32 aLen);
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nsresult CalculateDigest(const char* aInBuf, PRUint32 aInBufLen,
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char** digest);
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//-- Debugging
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void DumpMetadata(const char* aMessage);
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};
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/**
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* nsJARItem
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*
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* An individual JAR entry. A set of nsJARItems macthing a
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* supplied pattern are returned in a nsJAREnumerator.
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*/
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class nsJARItem : public nsIZipEntry
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIZIPENTRY
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nsJARItem(nsZipItem* aZipItem);
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virtual ~nsJARItem() {}
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private:
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PRUint32 mSize; /* size in original file */
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PRUint32 mRealsize; /* inflated size */
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PRUint32 mCrc32;
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PRUint16 mDate;
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PRUint16 mTime;
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PRUint8 mCompression;
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PRPackedBool mIsDirectory;
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PRPackedBool mIsSynthetic;
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};
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/**
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* nsJAREnumerator
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*
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* Enumerates a list of files in a zip archive
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* (based on a pattern match in its member nsZipFind).
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*/
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class nsJAREnumerator : public nsIUTF8StringEnumerator
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIUTF8STRINGENUMERATOR
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nsJAREnumerator(nsZipFind *aFind) : mFind(aFind), mCurr(nsnull) {
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NS_ASSERTION(mFind, "nsJAREnumerator: Missing zipFind.");
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}
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private:
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nsZipFind *mFind;
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const char* mCurr; // pointer to an name owned by mArchive -- DON'T delete
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~nsJAREnumerator() { delete mFind; }
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};
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////////////////////////////////////////////////////////////////////////////////
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#if defined(DEBUG_warren) || defined(DEBUG_jband)
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#define ZIP_CACHE_HIT_RATE
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#endif
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class nsZipReaderCache : public nsIZipReaderCache, public nsIObserver,
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public nsSupportsWeakReference
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIZIPREADERCACHE
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NS_DECL_NSIOBSERVER
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nsZipReaderCache();
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virtual ~nsZipReaderCache();
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nsresult ReleaseZip(nsJAR* reader);
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protected:
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PRLock* mLock;
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PRInt32 mCacheSize;
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nsSupportsHashtable mZips;
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#ifdef ZIP_CACHE_HIT_RATE
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PRUint32 mZipCacheLookups;
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PRUint32 mZipCacheHits;
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PRUint32 mZipCacheFlushes;
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PRUint32 mZipSyncMisses;
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#endif
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};
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////////////////////////////////////////////////////////////////////////////////
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#endif /* nsJAR_h__ */
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