About:
libextractor is a library used to extract meta-data from files of arbitrary type. It is designed to use helper-libraries to perform the actual extraction, and to be trivially extendable by linking against external extractors for additional file types. The goal is to provide developers of file-sharing networks, file managers, and WWW-indexing bots with a universal library to obtain meta-data about files. It includes a shell-command and bindings for Java (JNI) and Python.

Release focus: Major feature enhancements

Changes:
This release adds extractors for MPEG and RIFF (also known as AVI). libextractor and all of its plugins should now be reentrant. Various bugs including memory leaks and possible segfaults were fixed. The man pages were updated and automated test cases were added. A Java interface to libextractor (using JNI) is now included.

Author:
Christian Grothoff [contact developer]

Rating:	reset 1 2 3 4 5 6 7 8 9 10
8.07/10.00 (1 vote)

Homepage:
http://gnunet.org/libextractor/
Tar/GZ:
http://gnunet.org/[..]ctor/download/libextractor-0.5.21.tar.gz
Changelog:
https://gnunet.org/svn/Extractor/ChangeLog
RPM package:
http://dag.wieers.com/packages/libextractor/
Debian package:
http://packages.debian.org/extract
CVS tree (cvsweb):
https://gnunet.org/svn/Extractor/
Bug tracker:
https://gnunet.org/mantis/
Mailing list archive:
http://mail.gnu.org/mailman/listinfo/libextractor
Mirror site:
ftp://ftp.gnu.org/pub/gnu/libextractor/
Demo site:
http://gnunet.org/libextractor/demo.php3

Trove categories: [change]

[Development Status]		5 - Production/Stable
[Intended Audience]		Developers, System Administrators
[License]		OSI Approved :: GNU General Public License (GPL)
[Operating System]		MacOS X, Microsoft :: Windows, POSIX, POSIX :: BSD, POSIX :: Linux, Unix
[Programming Language]		C
[Topic]		Communications :: File Sharing, Internet :: WWW/HTTP :: Indexing/Search, Software Development :: Libraries, Text Processing :: Indexing

Dependencies: [change]
GLib (Default branch) (required)
GNOME Structured File Library (Default branch) (required)
GTK+ (Default branch) (required)
libmpeg2 0.4.0 (required)
zlib (required)
libvorbis (recommended)
[download links]

 Branches

Branch	Version	Last release	License	URLs
Default	0.5.21	03-Nov-2008	GNU General Public License (GPL)

 Releases

Version	Focus	Date
0.5.21	Minor feature enhancements	03-Nov-2008 05:38
0.5.20c	Minor bugfixes	14-Jul-2008 03:56
0.5.20b	Minor security fixes	27-Apr-2008 15:16
0.5.20a	Minor feature enhancements	15-Apr-2008 07:32
0.5.20	Minor feature enhancements	21-Mar-2008 09:39
0.5.19a	Minor security fixes	13-Jan-2008 00:55
0.5.19	Major feature enhancements	07-Jan-2008 18:57
0.5.18a	N/A	05-Jul-2007 07:45
0.5.18	Minor feature enhancements	12-Mar-2007 02:25
0.5.17a	Minor bugfixes	03-Jan-2007 12:18

 Articles referencing this project

• SuSE: Updates to various xpdf related packages fix remote code execution
  by Patrick Lenz , in Security
  Sun, Nov 18th 2007 13:08
  
• Debian: New libextractor packages fix arbitrary code execution
  by Patrick Lenz , in Security
  Sun, Aug 12th 2007 08:22
  
• Debian: New libextractor packages fix several vulnerabilities
  by Patrick Lenz , in Security
  Tue, Mar 14th 2006 00:51
  
• Debian: New libextractor packages fix arbitrary code execution
  by Patrick Lenz , in Security
  Wed, Jan 11th 2006 12:19
  

 Comments

[»] online demo not working
by Baloney - Jan 24th 2008 15:40:47

When I upload dmca.pdf all it gives me is mimetype. Am I missing something?

[reply] [top]

[»] Re: online demo not working
by Christian Grothoff - Feb 2nd 2008 05:00:42

There are two PDF plugins, one that is quite
simplistic and another one based on code from
xpdf (which has a bad security track record).
Depending on which one I happen to enable on the
website (options to configure), you get more or
less information for PDF files.


> When I upload dmca.pdf all it gives me

> is mimetype. Am I missing something?



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[»] Also Requires gobject-2.0
by D Force - Jan 27th 2005 10:07:21

Can't seem to get the OLE2 libraries to compile, make complains:
/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.3/../../../../i686-pc-linux-gnu/bin/ld: cannot find -lgobject-2.0

Oh, and you may want to include these dependencies within either the README or INSTALL files.

[reply] [top]

[»] Re: Also Requires gobject-2.0
by Christian Grothoff - Jan 27th 2005 10:15:44

Well, gobject-2.0 is part of glib, so it is listed as a dependency. What is more tricky is that we need the static, relocatable version of the library -- but try to specify that on freshmeat :-).

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[»] Re: Also Requires gobject-2.0
by Christian Grothoff - Aug 14th 2005 21:25:41

Note that as of 0.5.3 LE still needs gobject-2.0 but the ordinary shared version will do fine now.

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[»] similar projects
by Christian Grothoff - Apr 12th 2004 14:03:54

If you're looking for a similar project for PHP, checkout getid3. Also, if you just care about AVI and MPEG, the avinfo tool provides is a bit more information for these kinds of files compared to libextractor.

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