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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /modules/libjar/zipwriter/nsZipHeader.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'modules/libjar/zipwriter/nsZipHeader.h')
-rw-r--r-- | modules/libjar/zipwriter/nsZipHeader.h | 92 |
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 |