Add m-esr52 at 52.6.0

1 files changed, 224 insertions, 0 deletions

diff --git a/modules/libjar/nsJAR.h b/modules/libjar/nsJAR.h
new file mode 100644
index 000000000..2a982a1b5
--- /dev/null
+++ b/modules/libjar/nsJAR.h
@@ -0,0 +1,224 @@
+/* -*- 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 "mozilla/Logging.h"
+#include "prinrval.h"
+
+#include "mozilla/Atomics.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 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* aCache) {
+      mozilla::MutexAutoLock lock(mLock);
+      mCache = aCache;
+    }
+
+    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
+    RefPtr<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;           // protect mCache and mZip
+    int64_t                  mMtime;
+    int32_t                  mTotalItemsInManifest;
+    bool                     mOpened;
+    bool                     mIsOmnijar;
+
+    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), mNameLen(0) {
+      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);
+
+  typedef nsRefPtrHashtable<nsCStringHashKey, nsJAR> ZipsHashtable;
+
+protected:
+
+  virtual ~nsZipReaderCache();
+
+  mozilla::Mutex        mLock;
+  uint32_t              mCacheSize;
+  ZipsHashtable         mZips;
+
+#ifdef ZIP_CACHE_HIT_RATE
+  uint32_t              mZipCacheLookups;
+  uint32_t              mZipCacheHits;
+  uint32_t              mZipCacheFlushes;
+  uint32_t              mZipSyncMisses;
+#endif
+
+};
+
+////////////////////////////////////////////////////////////////////////////////
+
+#endif /* nsJAR_h_ */