security-and-privacy/mat2
security-and-privacy/mat2
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181 Commits

Author SHA1 Message Date
jvoisin
14a4cddb8b Improve the display of tarfile's members mtime 2019-04-27 21:15:06 +02:00
jvoisin
8e41b098d6 Add support for compressed tar files 2019-04-27 06:03:09 -07:00
jvoisin
82cc822a1d Add tar archive support 2019-04-27 04:05:36 -07:00
jvoisin
05f429b197 Add support for xhtml files 2019-04-14 20:36:33 +02:00
jvoisin
1e325c5b5b Please mypy 
Apparently, mypy isn't able (yet?) to deal
with variables that are changing their types
at runtime.

Python is wonderful.
 2019-03-30 10:33:16 +01:00
Antoine Tenart
d454ef5b8e libmat2: fix dependency checks for cmd line utilities 
The command line checks for command line utilities are done by trying to
access the executables and by throwing an exception when not found. This
lead to:
- The mat2 cmd line --check-dependencies option failing.
- The ffmpeg unit tests failing when ffmpeg isn't installed (even though
  it's an optional dependency).

This patch fixes it.

Signed-off-by: Antoine Tenart <antoine.tenart@ack.tf>
 2019-03-29 19:29:28 +01:00
Antoine Tenart
c824a68dd8 libmat2: reshape the dependencies list 
Invert the keys and values in DEPENDENCIES. It seems more natural to use
the key as a key in check_dependencies(), and the value as the value.
This also help in preparing for reworking the check_dependencies()
helper.

Signed-off-by: Antoine Tenart <antoine.tenart@ack.tf>
 2019-03-29 19:29:28 +01:00
jvoisin
b8c92fec09 Fix the testsuite 2019-03-23 00:41:23 +01:00
Antoine Tenart
0e3c2c9b1b libmat2: audio: not all id3 types have a text attribute 
Not all id3 types have a text attribute (such as mutagen.id3.APIC or
mutagen.id3.UFID). This leads to the get_meta helper to crash when
trying to access the text attribute of an object which does not have it.
Fixes it by checking the text attribute is available before accessing
it.

Signed-off-by: Antoine Tenart <antoine.tenart@ack.tf>
 2019-03-23 00:32:44 +01:00
Brolf
5ac91cd4f9
Refactor {black,white}list into {block,allow}list 
Closes #96
 2019-03-05 23:13:42 +00:00
georg
c3f097a82b
fix typo 2019-03-01 22:00:23 +00:00
jvoisin
55214206b5 Improve the previous commit 
- More tests
- More documentation
- Minor code cleanup
 2019-02-27 23:53:07 +01:00
jvoisin
73d2966e8c Improve epub support 2019-02-27 23:04:38 +01:00
jvoisin
eb2e702f37 Document the previous commit 2019-02-25 15:37:44 +01:00
jvoisin
545dccc352 In archive-based formats, the mimetype file comes first 
This should improve epub compatibility,
along with other formats as a side-effect
 2019-02-24 23:32:32 +01:00
jvoisin
524bae5972 <title> is also an html metadata 2019-02-23 20:47:26 +01:00
jvoisin
c757a9b7ef Fix a bug in css cleaning 
It's not mandatory to actually have a comment inside
comment delimiter, like `/**/`.
 2019-02-23 20:21:11 +01:00
jvoisin
02ff21b158 Implement epub support 2019-02-20 16:28:11 -08:00
jvoisin
a81b7658a8 Make the mandatory metadata warning generic 
This should close #95.
 2019-02-10 21:46:13 +01:00
jvoisin
6e63e03b86 Streamline a bit the previous commit 2019-02-09 15:23:16 +01:00
Poncho
a71488d459 bind mount /etc/ld.so.cache to the sandbox 
without /etc/ld.so.cache available in the sandbox, tests fail on gentoo with:
/usr/bin/ffmpeg: error while loading shared libraries: libstdc++.so.6:
    cannot open shared object file: No such file or directory
 2019-02-09 09:49:51 +01:00
jvoisin
6ef6aaa222 Improve a bit get_meta for libreoffice files 2019-02-08 23:23:56 +01:00
jvoisin
6cc034e81b Add support for html files 2019-02-08 23:05:18 +01:00
jvoisin
e1dd439fc8 Use of the archive refactoring for the office documents too 2019-02-07 22:19:37 +01:00
jvoisin
b9a62d798a Refactor a bit office get_meta handling 
This should make easier to get more metadata from
archive-based file formats.
 2019-02-04 00:31:26 +01:00
jvoisin
433609f8ea Implement .gif support 2019-02-03 21:01:58 +01:00
intrigeri
e8c1bb0e3c Whenever possible, use bwrap for subprocesses 
This should closes  #90
 2019-02-03 19:18:41 +01:00
jvoisin
8e84ba547a Add support for wmv 2019-02-02 19:19:36 +01:00
jvoisin
04bb8c8ccf Add mp4 support 2018-10-28 07:41:04 -07:00
jvoisin
3a070b0ab7 Add support for zip files 2018-10-25 11:56:46 +02:00
jvoisin
283e5e5787 Improve archive-based parser's robustness against corrupted embedded files 2018-10-25 11:56:12 +02:00
jvoisin
513d897ea0 Implement get_meta() for archives 2018-10-25 11:29:50 +02:00
jvoisin
5a9dc388ad Minor refactorisation of how we're checking for exiftool's presence 2018-10-25 11:05:06 +02:00
jvoisin
fe885babee Implement lightweight cleaning for jpg 2018-10-24 19:35:07 +02:00
jvoisin
9a81b3adfd Improve type annotation coverage 2018-10-23 16:32:28 +02:00
jvoisin
f1a071d460 Implement lightweight cleaning for png and tiff 2018-10-23 16:22:11 +02:00
jvoisin
38df679a88 Optimize the handling of problematic files 2018-10-23 13:49:58 +02:00
jvoisin
44f267a596 Improve problematic filenames support 2018-10-22 16:56:05 +02:00
jvoisin
83389a63e9 Test mat2's reliability wrt. corrupted video files 2018-10-22 13:42:04 +02:00
jvoisin
e70ea811c9 Implement support for .avi files, via ffmpeg 
- This commit introduces optional dependencies (namely ffmpeg):
  mat2 will spit a warning when trying to process an .avi file
  if ffmpeg isn't installed.
- Since metadata are obtained via exiftool, this commit
  also refactors a bit our exfitool wrapper.
 2018-10-22 12:58:01 +02:00
jvoisin
2ba38dd2a1 Bump mypy typing coverage 2018-10-12 14:32:09 +02:00
jvoisin
b832a59414 Refactor lightweight mode implementation 2018-10-12 11:49:24 +02:00
jvoisin
b9dbd12ef9 Implement recursive metadata for FLAC files 
Since FLAC files can contain covers, it makes sense
to parse their metadata
 2018-10-11 19:52:47 +02:00
jvoisin
b2e153b69c Delete pictures of FLAC files 2018-10-11 18:15:11 +02:00
jvoisin
0d25b18d26 Improve both the typing and the comments 2018-10-05 17:07:58 +02:00
jvoisin
d0f3534eff Hide unsupported extensions in mat2 -l 2018-10-05 12:43:21 +02:00
jvoisin
8e98593b02 Trash word/people.xml in office files 2018-10-04 16:28:20 +02:00
georg
34fbd633fd
libmat2: fix shebang 
Relates 0a2a398c9c
 2018-10-03 18:38:28 +00:00
jvoisin
5a5c642a46 Don't break office files for MS Office 
We didn't take the whitelist into account while
removing dangling files from [Content_types].xml
 2018-10-03 16:38:05 +02:00
jvoisin
1b356b8c6f Improve mat2's cli reliability 
- Replace some class members by instance members
- Don't thread the cleaning process anymore for now
 2018-10-03 15:22:36 +02:00
jvoisin
c67bbafb2c Use [Content_Types].xml to improve MS Office coverage 2018-10-02 11:55:42 -07:00
georg
5b606f939d
fix typo 2018-10-02 16:01:24 +00:00
jvoisin
652b8e519f Files processed via MAT2 are now accepted without warnings by MS Office 2018-10-01 12:25:37 -07:00
jvoisin
81a3881aa4 Please mypy 2018-09-30 19:55:17 +02:00
jvoisin
e342671ead Remove dangling references in MS Office's [Content_types].xml 2018-09-30 19:53:18 +02:00
jvoisin
719cdf20fa Second pass of minor formatting 2018-09-24 20:15:07 +02:00
jvoisin
2e243355f5 Fix some minor formatting issues 2018-09-24 19:50:24 +02:00
jvoisin
174d4a0ac0 Implement rsid stripping for office files 
MS Office XML rsid is a "unique identifier used to track the editing session
when the physical character representing this section mark was last formatted."

See the following links for details:
- https://msdn.microsoft.com/en-us/library/office/documentformat.openxml.wordprocessing.previoussectionproperties.rsidrpr.aspx
- https://blogs.msdn.microsoft.com/brian_jones/2006/12/11/whats-up-with-all-those-rsids/.
 2018-09-24 18:03:59 +02:00
jvoisin
fbcf68c280 Lexicographical sort on xml attributes for office files 
In XML, the order of the attributes shouldn't be meaningful,
however, MS Office sorts attributes for a given XML tag
differently than LibreOffice.
 2018-09-24 17:45:09 +02:00
jvoisin
a1a06d023e Insert archive members in lexicographic order 2018-09-18 22:44:21 +02:00
jvoisin
5cf94bd256 Bump coverage back to 100% 2018-09-12 14:54:54 +02:00
jvoisin
de65f4f4d4 Improve the resilience of MAT2 wrt. corrupted PNG 2018-09-09 19:09:05 +02:00
jvoisin
9fe6f1023b Make pylint happy 2018-09-06 11:36:04 +02:00
jvoisin
e3d817f57e Split office and archives 2018-09-06 11:34:14 +02:00
jvoisin
120b204988 Change a bit the previous commit 2018-09-06 11:13:11 +02:00
Daniel Kahn Gillmor
f3cef319b9 Unknown Members: make policy use an Enum 
Closes #60

Note: this changeset also ensures that clean.cleaned.docx is removed
up after the pytest is over.
 2018-09-05 18:59:33 -04:00
jvoisin
072ee1814d Remove defusedxml support and document why 2018-09-05 18:41:08 +02:00
jvoisin
46bb1b83ea Improve the previous commit 2018-09-05 17:26:09 +02:00
Daniel Kahn Gillmor
1d7e374e5b office: try all members, even when one fails 
the end result will be the same -- an abort -- but the user will get
to see all the warnings for a particular file, instead of getting them
one at a time.
 2018-09-04 18:28:04 -04:00
Daniel Kahn Gillmor
915dc634c4 document all unknown/unhandlable files even on abort 
This makes it easy to get a list of all files that mat2 doesn't know
how to handle, without having to choose -u keep or -u omit.
 2018-09-04 18:28:04 -04:00
Daniel Kahn Gillmor
4192a2daa3 office: create policy for what to do about unknown members 
previously, encountering an unknown member meant that any parser of
this type would abort.

now, the user can set parser.unknown_member_policy to either 'omit' or
'keep' if they don't want the current action of 'abort'

note that this causes pylint to complain about branching depth for
remove_all() because of the nuanced error-handling.  I've disabled
this check.
 2018-09-04 16:13:33 -04:00
jvoisin
907fc591cc Bump the coverage back to 100% 2018-09-01 16:58:34 +02:00
Daniel Kahn Gillmor
3e2890eb9e three minor spelling fixes 2018-09-01 06:47:22 -07:00
jvoisin
91e80527fc Add archlinux to the CI 2018-09-01 15:41:22 +02:00
jvoisin
7877ba0da5 Fix a minor formatting issue 2018-09-01 14:16:55 +02:00
dkg
e2634f7a50 Logging cleanup 2018-09-01 05:14:32 -07:00
jvoisin
1c72448e58 Improve the detection of unsupported extensions in uppercase 2018-08-23 21:28:37 +02:00
Antoine Tenart
f068621628 libmat2: images: fix handling of .JPG files 
Pixbuf only supports .jpeg files, not .jpg, so libmat2 looks for such an
extension and converts it if necessary. As this check is case sensitive,
processing .JPG files does not work.

Fixes #47.

Signed-off-by: Antoine Tenart <antoine.tenart@ack.tf>
 2018-08-23 20:43:27 +02:00
georg
71b1ced842
AbstractParser: Fix typos 2018-07-21 00:46:48 +00:00
jvoisin
942859601d Improve the code's documentation 2018-07-19 23:10:27 +02:00
jvoisin
565cb66d14 Minor simplification in how we're handling xml for office files 2018-07-19 22:55:08 +02:00
jvoisin
84d50f97c0 Add a check for a missed dependency in ./mat2 -c 2018-07-15 17:00:01 +02:00
jvoisin
5a7c7f35f7 Remove print from libmat, and use the logging module instead 
This should close #28
 2018-07-10 21:30:38 +02:00
jvoisin
d5861e4653 Implement a check for dependencies in mat2 
Example use:

```
$ mat2 -c
Dependencies required for MAT2 0.1.3:
- Cairo: yes
- Exiftool: yes
- GdkPixbuf from PyGobject: yes
- Mutagen: yes
- Poppler from PyGobject: yes
- PyGobject: yes
```

This should close #35
 2018-07-10 21:24:26 +02:00
jvoisin
080d6769ca Make pylint even happier 2018-07-09 01:11:44 +02:00
jvoisin
8c21006e6c Fix some pep8 issues spotted by pyflakes 2018-07-08 22:40:36 +02:00
jvoisin
f49aa5cab7 Achieve 100% coverage! 2018-07-08 22:27:37 +02:00
jvoisin
ad3e7ccee8 Bump coverage for office files and fix some related crashes 2018-07-08 21:35:45 +02:00
jvoisin
ca01484126 Silence a mypy's stupid warning 2018-07-08 17:12:17 +02:00
jvoisin
f9bc022c96 Add defusedxml as an (optional) way to prevent XML-based attacks 
Those attacks are DoS-only.
 2018-07-08 17:07:26 +02:00
jvoisin
72e1fda18d Remove a leftover print 2018-07-08 15:19:18 +02:00
jvoisin
3cd4f9111f Bump coverage for torrent handling 2018-07-08 15:13:03 +02:00
jvoisin
b5fcddd6a6 Simplify how torrent files are handled 
- Rework the testsuite wrt. torrent
- fail at parser's instantiation on corrupted torrent,
  instead of during `get_meta` or `remove_all` call
 2018-07-08 13:49:11 +02:00
jvoisin
7ea362d908 Bump the coverage for pdf 2018-07-07 18:12:33 +02:00
jvoisin
85455a4419 Fix a mistake in office file revisions handling 2018-07-07 18:05:54 +02:00
jvoisin
3d80f97524 Simplify BMP handling 2018-07-06 00:49:17 +02:00
jvoisin
53271495f7 Add support for .txt files 2018-07-06 00:42:09 +02:00
jvoisin
893f58554a Improve a bit the formatting of the code thanks to pyflakes3 2018-07-02 00:22:05 +02:00
jvoisin
bee56a57ce Remove docx revisions 2018-07-01 23:16:14 +02:00
jvoisin
02f7605ac1 MAT2 is now cleaning revisions from odt files! 2018-07-01 21:09:20 +02:00