Zip4j Versions Save

Improvements:

#476 & #493 Allow overriding empty files even if it is not a zip file

Bug fixes:

#484 Use getPath instead of toPath to avoid java nio #486 Set symlink as a file even if it points to directory

Security fixes:

#485 Fix CVE-2023-22899

Improvements:

Use SecureRandom instead of Random to implement a cryptographically strong random number

Bug fixes:

Fix null check Append file separator to path check only if required Fix endOfCentralDirectory location calculation when setting comment Use Path comparison over String comparison for Path traversal vulnerability Set lastModifiedFileTime for all entries and not just directories Use charset when generating AES vendor id info

Bug fixes:

#396 Use case sensitive comparison for file headers #440 Replace Windows file separator with zip separator #442 Remove file attributes check

Bug fixes:

#328 Add option to handle passwords with or without utf8 charset #333 Fix issue with reading 7Zip split files with headers not just in first split part #421 Remove clone method #428 Add close method in NumberedSplitRandomAccessFile #432 Fallback to zip standard charset if utf-8 flag is not set #433 Add directories to zip as well when symlink target is a directory #434 Use last modified file time from ZipParameters #435 Add null check when getting and applying Windows file attributes #438 Remove lines to skip reading content if entry is directory

Improvements:

#403 - Use utf-8 by default when reading zip file names #416 - Add NoCompression deflate compression level

Bug fixes:

#366 - Validate AES extra data record size #368 - Include pos in array copy length calculation #370 - Change IllegalArgumentException to ZipException #371 - Handle unexpected EOF when reading raw stream #372 - Handle unexpected EOF when reading compressed stream #373 - Fill NPE when aesKeyStrength is null #374 - Validate AES extra data record before calculating header size #375 - Throw exception when file name length is 0 #376 - Replace RunTimeException with ZipException #388 - Fix NPE in ZipParameters when file name is either null or empty #400 - Minor improvement to canonical path check #410 - Set entry size in ZipParameters to 0 by default

Improvements:

• #341 Add caching to Travis build process
• #359 Add PasswordCallback for encrypted Input Streams

Bug fixes:

• #354 Skip checking for directory when reading entries
• #347 Extract contents of sub-directory even when sub-directory entry does not exist
• #348 Fix bug in sub-folder extraction when folder name appears at the end of central directory
• #363 Avoid replacing Windows file name separator
• #365 Improve file header equals check to include offset of local file header
• #380 Use exception type WRONG_PASSWORD when password is null or empty for AES

Improvements:

#324 Support JDK 7 #327 Implement close() on ZipFile

Bug Fixes:

#326 Fix compression method check in AddStreamTask

New Feature:

• #287 Close entry on ZipOutputStream if not manually closed when closing entry

Improvements:

• #281 Skip adding file with empty names
• #291 Fix failing tests on Windows
• #301 Set password also via a setter on ZipInputStream
• #307 Add new compression levels for deflate compression
• #311 Implement available on ZipInputStream
• #321 Avoid using StandardCharsets for older Android compatibility

Bug fixes:

• #290 Read in reverse order to determine end of central directory
• #308 Add parent file null check when determining path to zip file
• #309 Read data descriptor for a directory
• #313 Check for busy state at Abstract zip task level
• #315 Use equals when comparing for file names in entry deletion