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35 Commits

Author SHA1 Message Date
Peter Williams
e4adfd91a3 Merge branch 'master' of https://github.com/peterwilliams97/unidoc 
* 'master' of https://github.com/peterwilliams97/unidoc: (50 commits)
  Fixing lab colorspace component input ranges.  Fix Indexed cs Image to rgb conversion.
  Make float parsing more like gs
  Fixed Lab bounds
  Added dummy encodings
  Added dummy encodings
  Fix PS processing of dup operand. Fixes #98.
  Check sizes for memory allocation based on pdf user inputs. Fixes #107.
  Check to avoid division by zero.  Fixes #106.
  Add GetObjectNums
  Address go vet issues
  Fix comment typo
  Fixed some bugs found while getting pdf_descibe.go to work
  Address golint recommendations in core
  Address core golint recommendations in crypt, io
  Add check for base colorspace type when loading Indexed colorspace.  Fixes #95.
  Address more golint recommendations  #89
  Checks on stated byte lengths in xref stream objects.  Closes #94.
  Address golint recommendations. Add TODO comments for recommended future refactoring work in next major release.
  Only attempt to load annotation from a valid indirect object for annotation Popup entries.  Fixes #91.
  Address godoc code block line wrapping
  ...
 2018-01-11 17:43:17 +11:00
Gunnsteinn Hall
22c2e5eb41 Address go vet issues 2017-08-04 22:50:28 +00:00
Gunnsteinn Hall
2adbc645ad Fix comment typo 2017-08-04 08:26:36 +00:00
Gunnsteinn Hall
b800238e36 Address golint recommendations in core 2017-08-03 15:33:51 +00:00
Gunnsteinn Hall
2ecf2acce5 Checks on stated byte lengths in xref stream objects. Closes #94. 2017-08-02 15:46:31 +00:00
Gunnsteinn Hall
28aea0d8d7 Address golint recommendations. Add TODO comments for recommended future refactoring work in next major release. 2017-08-02 12:56:32 +00:00
Gunnsteinn Hall
badce2938f Address gofmt simplify items 2017-07-31 14:54:14 +00:00
Peter Williams
43ecf3b325 Merge remote-tracking branch 'upstream/v2' 2017-07-24 15:23:12 +10:00
Gunnsteinn Hall
7f83a4ea2f Add bounds check in crypt, parser. Avoid division by zero. 2017-07-23 20:20:05 +00:00
Gunnsteinn Hall
9ff2413609 Add check to ensure stream length cannot be larger than file size. Test cases updated. 2017-07-23 12:21:42 +00:00
Gunnsteinn Hall
68bca163a9 Type checking for index list elements 2017-07-23 11:47:21 +00:00
Gunnsteinn Hall
124bd10e7c Check bounds on XRef stream index list (found by fuzzing) 2017-07-23 11:37:35 +00:00
Peter Williams
71a346dfde Merge branch 'up_v2_dev' 2017-07-23 14:35:33 +10:00
Gunnsteinn Hall
99872f29ba Type check for xref Prev entries added. 2017-07-23 01:54:31 +00:00
Gunnsteinn Hall
b2bb6d9836 Fixed problem found by fuzzing when Encrypt pointing to invalid reference 2017-07-22 16:44:42 +00:00
Gunnsteinn Hall
6e30b10029 Prevent recursive loop errors while tracing stream Lengths. Test case included. Fixes #80. 2017-07-22 12:11:58 +00:00
Gunnsteinn Hall
1cf2ac4a98 Fix error return value 2017-07-22 11:17:48 +00:00
Gunnsteinn Hall
469856432b Fix fuzz-detected problem where stream length referring to stream itself (with a test case to verify) 2017-07-21 21:31:23 +00:00
Gunnsteinn Hall
1769c68234 Add type check for Size in trailer. Fixes #77 2017-07-21 14:18:35 +00:00
Gunnsteinn Hall
71807ecfa4 Exposed a reader function to check access rights. Fixed incorrect bit name for AccessPermissions (LimitPrintQuality->FullPrintQuality). Fix in owner password authentication. Closes #51. 2017-07-12 09:48:16 +00:00
Gunnsteinn Hall
10c3be8c95 Change PdfObjectDictionary from map to struct and introduce ordered keys. Syntax change. Fixes all around to accommodate changes. Also fixes in test cases. Closes #56. 2017-07-08 21:04:13 +00:00
Gunnsteinn Hall
5c5ad1bc14 Enhancements to tolerate more malformed PDFs. Fixes #47 2017-04-27 22:25:00 +00:00
Gunnsteinn Hall
532f564b3a EOF marker seek more forgiving #46 2017-04-26 08:53:18 +00:00
Gunnsteinn Hall
90caacec66 Improved crypto handling for encrypt dicts with references 2017-03-29 15:54:50 +00:00
Gunnsteinn Hall
0e56876030 Repair for broken pdfs with too long stream lengths 2017-03-08 19:59:29 +00:00
Gunnsteinn Hall
c599f8decc Fix package comments 2017-03-02 12:49:42 +00:00
Gunnsteinn Hall
9247f5d954 Add Trace log level and change Debug to Trace where appropriate. Add log levels to Console logger. 2017-02-28 12:16:46 +00:00
Gunnsteinn Hall
f1ada05914 Support parsing and getting the actual version number and changing the output PDF version 2017-02-28 08:58:50 +00:00
Gunnsteinn Hall
80fa077d15 1) Fix trailer dict parsing bug, 2) Get Read/Write OCProps, 3) Read/Write Page Resource Properties 2017-02-15 14:21:20 +00:00
Gunnsteinn Hall
765c30efa4 Fix bug with comments within indirect objects 
Add some more debugs which can be helpful for troubleshooting
problematic pdf files
 2017-01-12 12:23:28 +00:00
Gunnsteinn Hall
4693588a5f Fix for stream delimiting 2017-01-09 22:00:26 +00:00
Gunnsteinn Hall
36ba97ca37 Fix bug with stream in rare malformant PDF cases 2016-12-13 19:39:23 +00:00
Gunnsteinn Hall
1564f8ab06 Updates and fixes from master merged in 2016-12-02 15:17:19 +00:00
Gunnsteinn Hall
f358b3e26f Refactoring in progress 
Currently compiles with tests, but not fully functional yet.
 2016-09-09 15:02:52 +00:00
Gunnsteinn Hall
19fd98d667 Refactoring into core and model. (in process) 
As the package was growing large, there is a need to clean up.  Testing
to refactor into a core (basic pdf parsing and primitive objects) and a
higher level model package.
 2016-09-08 17:53:45 +00:00