# $File: mozilla,v 1.12 2021/04/26 15:56:00 christos Exp $

#------------------------------------------------------------------------------
# $File: mozilla,v 1.12 2021/04/26 15:56:00 christos Exp $
# mozilla: file(1) magic for Mozilla XUL fastload files
# (XUL.mfasl and XPC.mfasl)
# URL: https://www.mozilla.org/
# From: Josh Triplett <[email protected]>

0 string XPCOM\nMozFASL\r\n\x1A Mozilla XUL fastload data
# Probably the next magic line contains misspelled "mozLz40\0"
0 string mozLz4a Mozilla lz4 compressed bookmark data
# From: Joerg Jenderek
# URL: https://lz4.github.io/lz4/
# Reference: https://github.com/avih/dejsonlz4/archive/master.zip/
# dejsonlz4-master\src\dejsonlz4.c
# Note: mostly JSON compressed with a non-standard LZ4 header
# can be unpacked by dejsonlz4 but not lz4 program.
0 string mozLz40\0 Mozilla lz4 compressed data
!:mime application/x-lz4+json
# mozlz4 extension seems to be used for search/store, while jsonlz4 for bookmarks
!:ext jsonlz4/mozlz4
# decomp_size
>8 ulelong x \b, originally %u bytes
# lz4 data
#>12 ubequad x \b, lz4 data %#16.16llx

# From: Joerg Jenderek
# URL: https://en.wikipedia.org/wiki/Firefox_4
# Reference: https://pkware.cachefly.net/webdocs/casestudies/APPNOTE.TXT
# Note: Most ZIP utilities are able to extract such archives
# maybe only partly or after some warnings. Example:
# zip -FF omni.ja --out omni.zip
4 string PK\001\002 Mozilla archive omni.ja
!:mime application/x-zip
!:ext ja
# TODO:
#>4 use zip-dir-entry