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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsJAR_h_
#define nsJAR_h_
#include "nscore.h"
#include "prio.h"
#include "plstr.h"
#include "prlog.h"
#include "prinrval.h"
#include "mozilla/Mutex.h"
#include "nsIComponentManager.h"
#include "nsCOMPtr.h"
#include "nsClassHashtable.h"
#include "nsString.h"
#include "nsIFile.h"
#include "nsStringEnumerator.h"
#include "nsHashKeys.h"
#include "nsRefPtrHashtable.h"
#include "nsTHashtable.h"
#include "nsIZipReader.h"
#include "nsZipArchive.h"
#include "nsIObserverService.h"
#include "nsWeakReference.h"
#include "nsIObserver.h"
#include "mozilla/Attributes.h"
class nsIX509Cert;
class nsIInputStream;
class nsJARManifestItem;
class nsZipReaderCache;
/* For mManifestStatus */
typedef enum
{
JAR_MANIFEST_NOT_PARSED = 0,
JAR_VALID_MANIFEST = 1,
JAR_INVALID_SIG = 2,
JAR_INVALID_UNKNOWN_CA = 3,
JAR_INVALID_MANIFEST = 4,
JAR_INVALID_ENTRY = 5,
JAR_NO_MANIFEST = 6,
JAR_NOT_SIGNED = 7
} JARManifestStatusType;
/*-------------------------------------------------------------------------
* Class nsJAR declaration.
* nsJAR serves as an XPCOM wrapper for nsZipArchive with the addition of
* JAR manifest file parsing.
*------------------------------------------------------------------------*/
class nsJAR final : public nsIZipReader
{
// Allows nsJARInputStream to call the verification functions
friend class nsJARInputStream;
// Allows nsZipReaderCache to access mOuterZipEntry
friend class nsZipReaderCache;
private:
virtual ~nsJAR();
public:
nsJAR();
NS_DEFINE_STATIC_CID_ACCESSOR( NS_ZIPREADER_CID )
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIZIPREADER
nsresult GetJarPath(nsACString& aResult);
PRIntervalTime GetReleaseTime() {
return mReleaseTime;
}
bool IsReleased() {
return mReleaseTime != PR_INTERVAL_NO_TIMEOUT;
}
void SetReleaseTime() {
mReleaseTime = PR_IntervalNow();
}
void ClearReleaseTime() {
mReleaseTime = PR_INTERVAL_NO_TIMEOUT;
}
void SetZipReaderCache(nsZipReaderCache* cache) {
mCache = cache;
}
nsresult GetNSPRFileDesc(PRFileDesc** aNSPRFileDesc);
protected:
typedef nsClassHashtable<nsCStringHashKey, nsJARManifestItem> ManifestDataHashtable;
//-- Private data members
nsCOMPtr<nsIFile> mZipFile; // The zip/jar file on disk
nsCString mOuterZipEntry; // The entry in the zip this zip is reading from
nsRefPtr<nsZipArchive> mZip; // The underlying zip archive
ManifestDataHashtable mManifestData; // Stores metadata for each entry
bool mParsedManifest; // True if manifest has been parsed
nsCOMPtr<nsIX509Cert> mSigningCert; // The entity which signed this file
int16_t 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
mozilla::Mutex mLock;
int64_t mMtime;
int32_t mTotalItemsInManifest;
bool mOpened;
nsresult ParseManifest();
void ReportError(const nsACString &aFilename, int16_t errorCode);
nsresult LoadEntry(const nsACString &aFilename, char** aBuf,
uint32_t* aBufLen = nullptr);
int32_t ReadLine(const char** src);
nsresult ParseOneFile(const char* filebuf, int16_t aFileType);
nsresult VerifyEntry(nsJARManifestItem* aEntry, const char* aEntryData,
uint32_t aLen);
nsresult CalculateDigest(const char* aInBuf, uint32_t aInBufLen,
nsCString& digest);
};
/**
* nsJARItem
*
* An individual JAR entry. A set of nsJARItems matching a
* supplied pattern are returned in a nsJAREnumerator.
*/
class nsJARItem : public nsIZipEntry
{
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIZIPENTRY
explicit nsJARItem(nsZipItem* aZipItem);
private:
virtual ~nsJARItem() {}
uint32_t mSize; /* size in original file */
uint32_t mRealsize; /* inflated size */
uint32_t mCrc32;
PRTime mLastModTime;
uint16_t mCompression;
uint32_t mPermissions;
bool mIsDirectory;
bool mIsSynthetic;
};
/**
* nsJAREnumerator
*
* Enumerates a list of files in a zip archive
* (based on a pattern match in its member nsZipFind).
*/
class nsJAREnumerator final : public nsIUTF8StringEnumerator
{
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIUTF8STRINGENUMERATOR
explicit nsJAREnumerator(nsZipFind *aFind) : mFind(aFind), mName(nullptr) {
NS_ASSERTION(mFind, "nsJAREnumerator: Missing zipFind.");
}
private:
nsZipFind *mFind;
const char* mName; // pointer to an name owned by mArchive -- DON'T delete
uint16_t mNameLen;
~nsJAREnumerator() { delete mFind; }
};
////////////////////////////////////////////////////////////////////////////////
#if defined(DEBUG_warren) || defined(DEBUG_jband)
#define ZIP_CACHE_HIT_RATE
#endif
class nsZipReaderCache : public nsIZipReaderCache, public nsIObserver,
public nsSupportsWeakReference
{
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIZIPREADERCACHE
NS_DECL_NSIOBSERVER
nsZipReaderCache();
nsresult ReleaseZip(nsJAR* reader);
bool IsMustCacheFdEnabled() {
return mMustCacheFd;
}
typedef nsRefPtrHashtable<nsCStringHashKey, nsJAR> ZipsHashtable;
protected:
virtual ~nsZipReaderCache();
mozilla::Mutex mLock;
uint32_t mCacheSize;
ZipsHashtable mZips;
bool mMustCacheFd;
#ifdef ZIP_CACHE_HIT_RATE
uint32_t mZipCacheLookups;
uint32_t mZipCacheHits;
uint32_t mZipCacheFlushes;
uint32_t mZipSyncMisses;
#endif
};
////////////////////////////////////////////////////////////////////////////////
#endif /* nsJAR_h_ */
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