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# Changelog
### <!-- 1 -->🐛 Bug Fixes
- Some date/time filters were previously unreliable (i.e. later-pass filters had no earliest-pass or latest-fail, and vice-versa)
### <!-- 2 -->🚜 Refactor
- Return extended timestamp fields copied rather than borrowed ([#183](https://github.com/zip-rs/zip2/pull/183))
### <!-- 7 -->⚙️ Miscellaneous Tasks
- Fix a new Clippy warning
- Fix a bug and inline `deserialize` for safety
- Add check for wrong-length blocks, and incorporate fixed-size requirement into the trait name
- Fix a fuzz failure by using checked_sub
- Add feature gate for new unit test
### <!-- 1 -->🐛 Bug Fixes
- Derive `Debug` for `ZipWriter`
- lower default version to 4.5 and use the version-needed-to-extract where feasible.
### <!-- 2 -->🚜 Refactor
- use a MIN_VERSION constant
### <!-- 7 -->⚙️ Miscellaneous Tasks
- Bug fixes for debug implementation
- Bug fixes for debug implementation
- Update unit tests
- Remove unused import
### <!-- 0 -->🚀 Features
- Support mutual conversion between `DateTime` and MS-DOS pair
### <!-- 1 -->🐛 Bug Fixes
- version-needed-to-extract was incorrect in central header, and version-made-by could be lower than that ([#100](https://github.com/zip-rs/zip2/pull/100))
- version-needed-to-extract was incorrect in central header, and version-made-by could be lower than that ([#100](https://github.com/zip-rs/zip2/pull/100))
### <!-- 7 -->⚙️ Miscellaneous Tasks
- Another tweak to ensure `version_needed` is applied
- Tweaks to make `version_needed` and `version_made_by` work with recently-merged changes
### <!-- 0 -->🚀 Features
- Add `fmt::Display` for `DateTime`
- Implement more traits for `DateTime`
### <!-- 2 -->🚜 Refactor
- Change type of `last_modified_time` to `Option<DateTime>`
- [**breaking**] Rename `from_msdos` to `from_msdos_unchecked`, make it unsafe, and add `try_from_msdos` ([#145](https://github.com/zip-rs/zip2/pull/145))
### <!-- 7 -->⚙️ Miscellaneous Tasks
- Continue to accept archives with invalid DateTime, and use `now_utc()` as default only when writing, not reading
### <!-- 2 -->🚜 Refactor
- Make `deflate` enable both default implementations
- Merge the hidden deflate-flate2 flag into the public one
- Rename _deflate-non-zopfli to _deflate-flate2
- Reject encrypted and using_data_descriptor files slightly faster in read_zipfile_from_stream
- Convert `impl TryInto<NaiveDateTime> for DateTime` to `impl TryFrom<DateTime> for NaiveDateTime` ([#136](https://github.com/zip-rs/zip2/pull/136))
### <!-- 4 -->⚡ Performance
- Change default compression implementation to `flate2/zlib-ng`
### <!-- 7 -->⚙️ Miscellaneous Tasks
### <!-- 0 -->🚀 Features
- Add `is_symlink` method
### <!-- 1 -->🐛 Bug Fixes
- Extract symlinks into symlinks on Unix and Windows, and fix a bug that affected making directories writable on MacOS
### <!-- 2 -->🚜 Refactor
- Eliminate deprecation warning when `--all-features` implicitly enables the deprecated feature
- Check if archive contains a symlink's target, without borrowing both at the same time
- Eliminate a clone that's no longer necessary
- is_dir only needs to look at the filename
- Remove unnecessary #[cfg] attributes
### <!-- 7 -->⚙️ Miscellaneous Tasks
- Fix borrow-of-moved-value
- Box<str> doesn't directly convert to PathBuf, so convert back to String first
- partial revert - only &str has chars(), but Box<str> should auto-deref
- contains_key needs a `Box<str>`, so generify `is_dir` to accept one
- Add missing `ZipFileData::is_dir()` method
- Fix another Windows-specific error
- More bug fixes for Windows-specific symlink code
- More bug fixes for Windows-specific symlink code
- Bug fix: variable name change
- Bug fix: need both internal and output path to determine whether to symlink_dir
- Another bug fix
- Fix another error-type conversion error
- Fix error-type conversion on Windows
- Fix conditionally-unused import
- Fix continued issues, and factor out the Vec<u8>-to-OsString conversion (cc: [#125](https://github.com/zip-rs/zip2/pull/125))
- Fix CI failure involving conversion to OsString for symlinks (see my comments on [#125](https://github.com/zip-rs/zip2/pull/125))
- Move path join into platform-independent code
### <!-- 1 -->🐛 Bug Fixes
- Remove a window when an extracted directory might be unexpectedly listable and/or `cd`able by non-owners
- Extract directory contents on Unix even if the directory doesn't have write permission (https://github.com/zip-rs/zip-old/issues/423)
### <!-- 7 -->⚙️ Miscellaneous Tasks
- More conditionally-unused imports
### <!-- 1 -->🐛 Bug Fixes
- Failed to clear "writing_raw" before finishing a symlink, leading to dropped extra fields
### <!-- 4 -->⚡ Performance
- Use boxed slice for archive comment, since it can't be concatenated
- Optimize for the fact that false signatures can't overlap with real ones
### <!-- 1 -->🐛 Bug Fixes
- Prevent panic when trying to read a file with an unsupported compression method
- Prevent panic after reading an invalid LZMA file
- Make `Stored` the default compression method if `Deflated` isn't available, so that zip files are readable by as much software as possible
- version_needed was wrong when e.g. cfg(bzip2) but current file wasn't bzip2 ([#100](https://github.com/zip-rs/zip2/pull/100))
### <!-- 2 -->🚜 Refactor
- Overhaul `impl Arbitrary for FileOptions`
- Remove unused `atomic` module
### <!-- 0 -->🚀 Features
- Add method `decompressed_size()` so non-recursive ZIP bombs can be detected
### <!-- 2 -->🚜 Refactor
- Make `ZipWriter::finish()` consume the `ZipWriter`
### <!-- 7 -->⚙️ Miscellaneous Tasks
- Use panic! rather than abort to ensure the fuzz harness can process the failure
- Update fuzz_write to use replace_with
- Remove a drop that can no longer be explicit
- Add `#![allow(unexpected_cfgs)]` in nightly
### <!-- 1 -->🐛 Bug Fixes
- Build was failing with bzip2 enabled
- use is_dir in more places where Windows paths might be handled incorrectly
### <!-- 4 -->⚡ Performance
- Quick filter for paths that contain "/../" or "/./" or start with "./" or "../"
- Fast handling for separator-free paths
- Speed up logic if main separator isn't '/'
- Drop `normalized_components` slightly sooner when not using it
- Speed up `path_to_string` in cases where the path is already in the proper format
### <!-- 7 -->⚙️ Miscellaneous Tasks
- Refactor: can short-circuit handling of paths that start with MAIN_SEPARATOR, no matter what MAIN_SEPARATOR is
- Bug fix: non-canonical path detection when MAIN_SEPARATOR is not slash or occurs twice in a row
- Bug fix: must recreate if . or .. is a path element
- Bug fix
### <!-- 9 -->◀️ Revert
- [#58](https://github.com/zip-rs/zip2/pull/58) (partial): `bzip2-rs` can't replace `bzip2` because it's decompress-only
### <!-- 1 -->🐛 Bug Fixes
- Rare bug where find_and_parse would give up prematurely on detecting a false end-of-CDR header
### <!-- 1 -->🐛 Bug Fixes
### <!-- 2 -->🚜 Refactor
- deprecate `deflate-miniz` feature since it's now equivalent to `deflate` ([#35](https://github.com/Pr0methean/zip/pull/35))
## [1.1.1]
### Added
- `index_for_name`, `index_for_path`, `name_for_index`: get the index of a file given its path or vice-versa, without
initializing metadata from the local-file header or needing to mutably borrow the `ZipArchive`.
- `add_symlink_from_path`, `shallow_copy_file_from_path`, `deep_copy_file_from_path`, `raw_copy_file_to_path`: copy a
file or create a symlink using `AsRef<Path>` arguments
### Changed
- `add_directory_from_path` and `start_file_from_path` are no longer deprecated, and they now normalize `..` as well as
`.`.
## [1.1.0]
### Added
- Support for decoding LZMA.
### Changed
- Eliminated a custom `AtomicU64` type by replacing it with `OnceLock` in the only place it's used.
- `FileOptions` now has the subtype `SimpleFileOptions` which implements `Copy` but has no extra data.
## [1.0.1]
### Changed
- The published package on crates.io no longer includes the tests or examples.
## [1.0.0]
### Changed
- Now uses boxed slices rather than `String` or `Vec` for metadata fields that aren't likely to grow.
## [0.11.0]
### Added
- Support for `DEFLATE64` (decompression only).
- Support for Zopfli compression levels up to `i64::MAX`.
### Changed
- `InvalidPassword` is now a kind of `ZipError` to eliminate the need for nested `Result` structs.
- Updated dependencies.
## [0.10.3]
### Changed
- Updated dependencies.
- MSRV increased to `1.67`.
### Fixed
- Fixed some rare bugs that could cause panics when trying to read an invalid ZIP file or using an incorrect password.
## [0.10.2]
### Changed
- Where possible, methods are now `const`. This improves performance, especially when reading.
## [0.10.1]
### Changed
- Date and time conversion methods now return `DateTimeRangeError` rather than `()` on error.
## [0.10.0]
### Changed
- Replaces the `flush_on_finish_file` parameter of `ZipWriter::new` and `ZipWriter::Append` with
a `set_flush_on_finish_file` method.
### Fixed
- Fixes build errors that occur when all default features are disabled.
- Fixes more cases of a bug when ZIP64 magic bytes occur in filenames.
## [0.9.2]
### Added
- `zlib-ng` for fast Deflate compression. This is now the default for compression levels 0-9.
- `chrono` to convert zip::DateTime to and from chrono::NaiveDateTime
## [0.9.1]
### Added
- Zopfli for aggressive Deflate compression.
## [0.9.0]
### Added
- `flush_on_finish_file` parameter for `ZipWriter`.
## [0.8.3]
### Changed
- Uses the `aes::cipher::KeyInit` trait from `aes` 0.8.2 where appropriate.
### Fixed
- Calling `abort_file()` no longer corrupts the archive if called on a
shallow copy of a remaining file, or on an archive whose CDR entries are out
of sequence. However, it may leave an unused entry in the archive.
- Calling `abort_file()` while writing a ZipCrypto-encrypted file no longer
causes a crash.
- Calling `abort_file()` on the last file before `finish()` no longer produces
an invalid ZIP file or garbage in the comment.
### Added
- `ZipWriter` methods `get_comment()` and `get_raw_comment()`.
## [0.8.2]
### Fixed
- Fixed an issue where code might spuriously fail during write fuzzing.
### Added
- New method `with_alignment` on `FileOptions`.
## [0.8.1]
### Fixed
- `ZipWriter` now once again implements `Send` if the underlying writer does.
## [0.8.0]
### Deleted
- Methods `start_file_aligned`, `start_file_with_extra_data`, `end_local_start_central_extra_data` and
`end_extra_data` (see below).
### Changed
- Alignment and extra-data fields are now attributes of [`zip::unstable::write::FileOptions`], allowing them to be
specified for `add_directory` and `add_symlink`.
- Extra-data fields are now formatted by the `FileOptions` method `add_extra_data`.
- Improved performance, especially for `shallow_copy_file` and `deep_copy_file` on files with extra data.
### Fixed
- Fixes a rare bug where the size of the extra-data field could overflow when `large_file` was set.
- Fixes more cases of a bug when ZIP64 magic bytes occur in filenames.
## [0.7.5]
### Fixed
- Fixed a bug that occurs when ZIP64 magic bytes occur twice in a filename or across two filenames.
## [0.7.4]
### Added
- Added experimental [`zip::unstable::write::FileOptions::with_deprecated_encryption`] API to enable encrypting
files with PKWARE encryption.
## [0.7.3]
### Fixed
- Fixed a bug that occurs when a filename in a ZIP32 file includes the ZIP64 magic bytes.
## [0.7.2]
### Added
- Method `abort_file` - removes the current or most recently-finished file from the archive.
### Fixed
- Fixed a bug where a file could remain open for writing after validations failed.
## [0.7.1]
### Changed
- Bumped the version number in order to upload an updated README to crates.io.
## [0.7.0]
### Fixed
- Calling `start_file` with invalid parameters no longer closes the `ZipWriter`.
- Attempting to write a 4GiB file without calling `FileOptions::large_file(true)` now removes the file from the archive
but does not close the `ZipWriter`.
- Attempting to write a file with an unrepresentable or invalid last-modified date will instead add it with a date of
1980-01-01 00:00:00.
### Added
- Method `is_writing_file` - indicates whether a file is open for writing.
## [0.6.13]
### Fixed
- Fixed a possible bug in deep_copy_file.
## [0.6.12]
### Fixed
- Fixed a Clippy warning that was missed during the last release.
## [0.6.11]
### Fixed
- Fixed a bug that could cause later writes to fail after a `deep_copy_file` call.
## [0.6.10]
### Changed
- Updated dependency versions.
## [0.6.9]
### Fixed
- Fixed an issue that prevented `ZipWriter` from implementing `Send`.
## [0.6.8]
### Added
- Detects duplicate filenames.
### Fixed
- `deep_copy_file` could set incorrect Unix permissions.
- `deep_copy_file` could handle files incorrectly if their compressed size was u32::MAX bytes or less but their
uncompressed size was not.
- Documented that `deep_copy_file` does not copy a directory's contents.
### Changed
- Improved performance of `deep_copy_file` by using a HashMap and eliminating a redundant search.
## [0.6.7]
### Added
- `deep_copy_file` method: more standards-compliant way to copy a file from within the ZipWriter
## [0.6.6]
### Fixed
- Unused flag `#![feature(read_buf)]` was breaking compatibility with stable compiler.
### Changed
- Updated other dependency versions.
## [0.6.5]
### Changed
- Added experimental [`zip::unstable::write::FileOptions::with_deprecated_encryption`] API to enable encrypting files with PKWARE encryption.
### Added
- `shallow_copy_file` method: copy a file from within the ZipWriter
## [0.6.4]
### Changed
- [#333](https://github.com/zip-rs/zip/pull/333): disabled the default features of the `time` dependency, and also `formatting` and `macros`, as they were enabled by mistake.
- Deprecated [`DateTime::from_time`](https://docs.rs/zip/0.6/zip/struct.DateTime.html#method.from_time) in favor of [`DateTime::try_from`](https://docs.rs/zip/0.6/zip/struct.DateTime.html#impl-TryFrom-for-DateTime)