/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* * The contents of this file are subject to the Netscape Public * License Version 1.1 (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.mozilla.org/NPL/ * * Software distributed under the License is distributed on an "AS * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or * implied. See the License for the specific language governing * rights and limitations under the License. * * The Original Code is Mozilla Communicator client code, * released March 31, 1998. * * The Initial Developer of the Original Code is Netscape Communications * Corporation. Portions created by Netscape are * Copyright (C) 1998-2000 Netscape Communications Corporation. All * Rights Reserved. * * Contributor(s): * Don Bragg * Samir Gehani * Mitch Stoltz */ #ifndef nsJAR_h__ #define nsJAR_h__ #include "nscore.h" #include "pratom.h" #include "prmem.h" #include "prio.h" #include "plstr.h" #include "prlog.h" #include "prtypes.h" #include "prinrval.h" #if 0 #include "xp_regexp.h" #endif #include "nsRepository.h" #include "nsIComponentManager.h" #include "nsCOMPtr.h" #include "nsString.h" #include "nsIFile.h" #include "nsIEnumerator.h" #include "nsVoidArray.h" #include "nsHashtable.h" #include "nsAutoLock.h" #include "nsIZipReader.h" #include "nsZipArchive.h" #include "zipfile.h" #include "nsIPrincipal.h" #include "nsISignatureVerifier.h" class nsIInputStream; class nsJARManifestItem; class nsZipReaderCache; /*------------------------------------------------------------------------- * Class nsJAR declaration. * nsJAR serves as an XPCOM wrapper for nsZipArchive with the addition of * JAR manifest file parsing. *------------------------------------------------------------------------*/ class nsJAR : public nsIZipReader { // Allows nsJARInputStream to call the verification functions friend class nsJARInputStream; public: nsJAR(); virtual ~nsJAR(); NS_DEFINE_STATIC_CID_ACCESSOR( NS_ZIPREADER_CID ); NS_DECL_ISUPPORTS NS_DECL_NSIZIPREADER static NS_METHOD Create(nsISupports *aOuter, REFNSIID aIID, void **aResult); PRIntervalTime GetReleaseTime() { if (mRefCnt == 1) return mReleaseTime; else return PR_INTERVAL_NO_TIMEOUT; } void SetZipReaderCache(nsZipReaderCache* cache) { mCache = cache; } protected: //-- Private data members nsCOMPtr mZipFile; // The zip/jar file on disk nsZipArchive mZip; // The underlying zip archive nsObjectHashtable mManifestData; // Stores metadata for each entry PRBool mParsedManifest; // True if manifest has been parsed nsCOMPtr mPrincipal; // The entity which signed this file PRInt16 mGlobalStatus; // Global signature verification status PRIntervalTime mReleaseTime; // used by nsZipReaderCache for flushing entries nsZipReaderCache* mCache; // if cached, this points to the cache it's contained in //-- Private functions nsresult ParseManifest(nsISignatureVerifier* verifier); void ReportError(const char* aFilename, PRInt16 errorCode); nsresult LoadEntry(const char* aFilename, char** aBuf, PRUint32* aBufLen = nsnull); PRInt32 ReadLine(const char** src); nsresult ParseOneFile(nsISignatureVerifier* verifier, const char* filebuf, PRInt16 aFileType); nsresult VerifyEntry(nsISignatureVerifier* verifier, nsJARManifestItem* aEntry, const char* aEntryData, PRUint32 aLen); nsresult RestoreModTime(nsZipItem *aItem, nsIFile *aExtractedFile); nsresult CalculateDigest(nsISignatureVerifier* verifier, const char* aInBuf, PRUint32 aInBufLen, char** digest); //-- Debugging void DumpMetadata(const char* aMessage); }; /** * nsJARItem * * An individual JAR entry. A set of nsJARItems macthing a * supplied pattern are returned in a nsJAREnumerator. */ class nsJARItem : public nsIZipEntry { public: NS_DECL_ISUPPORTS NS_DECL_NSIZIPENTRY void Init(nsZipItem* aZipItem); nsJARItem(); virtual ~nsJARItem(); private: nsZipItem* mZipItem; }; /** * nsJAREnumerator * * Enumerates a list of files in a zip archive * (based on a pattern match in its member nsZipFind). */ class nsJAREnumerator : public nsISimpleEnumerator { public: NS_DECL_ISUPPORTS NS_DECL_NSISIMPLEENUMERATOR nsJAREnumerator(nsZipFind *aFind); virtual ~nsJAREnumerator(); protected: nsZipArchive *mArchive; // pointer extracted from mFind for efficiency nsZipFind *mFind; nsZipItem *mCurr; // raw pointer to an nsZipItem owned by mArchive -- DON'T delete PRBool mIsCurrStale; }; //////////////////////////////////////////////////////////////////////////////// #ifdef DEBUG_warren #define ZIP_CACHE_HIT_RATE #endif class nsZipReaderCache : public nsIZipReaderCache { public: NS_DECL_ISUPPORTS NS_DECL_NSIZIPREADERCACHE nsZipReaderCache(); virtual ~nsZipReaderCache(); static NS_METHOD Create(nsISupports *aOuter, REFNSIID aIID, void **aResult); nsresult ReleaseZip(nsJAR* reader); protected: PRLock* mLock; PRInt32 mCacheSize; nsSupportsHashtable mZips; PRUint32 mFreeCount; #ifdef ZIP_CACHE_HIT_RATE PRUint32 mZipCacheLookups; PRUint32 mZipCacheHits; PRUint32 mZipCacheFlushes; #endif }; //////////////////////////////////////////////////////////////////////////////// #endif /* nsJAR_h__ */