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-rw-r--r--modules/libjar/zipwriter/nsZipHeader.h92
1 files changed, 92 insertions, 0 deletions
diff --git a/modules/libjar/zipwriter/nsZipHeader.h b/modules/libjar/zipwriter/nsZipHeader.h
new file mode 100644
index 0000000000..528730b000
--- /dev/null
+++ b/modules/libjar/zipwriter/nsZipHeader.h
@@ -0,0 +1,92 @@
+/* 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 _nsZipHeader_h_
+#define _nsZipHeader_h_
+
+#include "nsString.h"
+#include "nsIOutputStream.h"
+#include "nsIInputStream.h"
+#include "nsIZipReader.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/UniquePtr.h"
+
+// High word is S_IFREG, low word is DOS file attribute
+#define ZIP_ATTRS_FILE 0x80000000
+// High word is S_IFDIR, low word is DOS dir attribute
+#define ZIP_ATTRS_DIRECTORY 0x40000010
+#define PERMISSIONS_FILE 0644
+#define PERMISSIONS_DIR 0755
+
+// Combine file type attributes with unix style permissions
+#define ZIP_ATTRS(p, a) ((p & 0xfff) << 16) | a
+
+class nsZipHeader final : public nsIZipEntry {
+ ~nsZipHeader() {
+ mExtraField = nullptr;
+ mLocalExtraField = nullptr;
+ }
+
+ public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSIZIPENTRY
+
+ nsZipHeader()
+ : mCRC(0),
+ mCSize(0),
+ mUSize(0),
+ mEAttr(0),
+ mOffset(0),
+ mFieldLength(0),
+ mLocalFieldLength(0),
+ mVersionMade(0x0300 +
+ 23), // Generated on Unix by v2.3 (matches infozip)
+ mVersionNeeded(20), // Requires v2.0 to extract
+ mFlags(0),
+ mMethod(0),
+ mTime(0),
+ mDate(0),
+ mDisk(0),
+ mIAttr(0),
+ mInited(false),
+ mWriteOnClose(false),
+ mExtraField(nullptr),
+ mLocalExtraField(nullptr) {}
+
+ uint32_t mCRC;
+ uint32_t mCSize;
+ uint32_t mUSize;
+ uint32_t mEAttr;
+ uint32_t mOffset;
+ uint32_t mFieldLength;
+ uint32_t mLocalFieldLength;
+ uint16_t mVersionMade;
+ uint16_t mVersionNeeded;
+ uint16_t mFlags;
+ uint16_t mMethod;
+ uint16_t mTime;
+ uint16_t mDate;
+ uint16_t mDisk;
+ uint16_t mIAttr;
+ bool mInited;
+ bool mWriteOnClose;
+ nsCString mName;
+ nsCString mComment;
+ mozilla::UniquePtr<uint8_t[]> mExtraField;
+ mozilla::UniquePtr<uint8_t[]> mLocalExtraField;
+
+ nsresult Init(const nsACString& aPath, PRTime aDate, uint32_t aAttr,
+ uint32_t aOffset);
+ uint32_t GetFileHeaderLength();
+ nsresult WriteFileHeader(nsIOutputStream* aStream);
+ uint32_t GetCDSHeaderLength();
+ nsresult WriteCDSHeader(nsIOutputStream* aStream);
+ nsresult ReadCDSHeader(nsIInputStream* aStream);
+ const uint8_t* GetExtraField(uint16_t aTag, bool aLocal,
+ uint16_t* aBlockSize);
+ nsresult PadExtraField(uint32_t aOffset, uint16_t aAlignSize);
+};
+
+#endif