Peter Williams
a96a007238
Merge remote-tracking branch 'upstream/master' into xmaster2
2017-08-07 13:57:07 +10:00
Peter Williams
2bd4a0a995
Added dummy encodings
2017-08-07 13:36:39 +10:00
Peter Williams
38fa0f1fb4
Added dummy encodings
2017-08-07 13:34:19 +10:00
Gunnsteinn Hall
07289e3890
Check sizes for memory allocation based on pdf user inputs. Fixes #107 .
2017-08-06 11:41:33 +00:00
Gunnsteinn Hall
9ec828c8f7
Check to avoid division by zero. Fixes #106 .
2017-08-06 11:28:39 +00:00
Peter Williams
a1e1e31fee
Merge remote-tracking branch 'upstream/master' into xmaster
2017-08-05 21:25:07 +10:00
Gunnsteinn Hall
3261689684
Add GetObjectNums
2017-08-05 00:56:05 +00:00
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
Peter Williams
141519790a
Fixed some bugs found while getting pdf_descibe.go to work
2017-08-04 17:47:55 +10:00
Gunnsteinn Hall
b800238e36
Address golint recommendations in core
2017-08-03 15:33:51 +00:00
Gunnsteinn Hall
ad47c116aa
Address core golint recommendations in crypt, io
2017-08-03 15:13:40 +00:00
Gunnsteinn Hall
714b4bcb60
Address more golint recommendations #89
2017-08-02 18:01:31 +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
Gunnsteinn Hall
5bc9d83bb1
Check to ensure row length cannot be greater than data length. Fixes #88 .
2017-07-31 12:52:53 +00:00
Gunnsteinn Hall
7f83a4ea2f
Add bounds check in crypt, parser. Avoid division by zero.
2017-07-23 20:20:05 +00:00
Gunnsteinn Hall
3639b5c279
Add check for ID array length
2017-07-23 12:30:21 +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
Gunnsteinn Hall
99872f29ba
Type check for xref Prev entries added.
2017-07-23 01:54:31 +00:00
Gunnsteinn Hall
c6660b62c9
Fix test case
2017-07-22 16:46:22 +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
5f506b7427
Fix fuzzy problems with crossrefs and add a recursive loop guard in reader (page building). Added test cases for these issues.
2017-07-21 14:12:37 +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
825c10fc3e
Fix in adding dash via content stream creator
2017-07-11 13:09:52 +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
53b9e8b99c
Convenience functions to create streams and indirect objects.
2017-06-28 15:14:25 +00:00
Gunnsteinn Hall
a80d617bc7
Handle null filter as raw data. Closes #48 .
2017-05-10 10:21:46 +00:00
Gunnsteinn Hall
5c5ad1bc14
Enhancements to tolerate more malformed PDFs. Fixes #47
2017-04-27 22:25:00 +00:00
Gunnsteinn Hall
3f4e84a2e4
Improved xref rebuild repair procedure. Closes #45 .
2017-04-26 23:11:35 +00:00
Gunnsteinn Hall
532f564b3a
EOF marker seek more forgiving #46
2017-04-26 08:53:18 +00:00
Gunnsteinn Hall
d25fa23fb0
Fix issue with unremoved AES decrypted padding bytes #44
2017-04-24 21:36:07 +00:00
Gunnsteinn Hall
784a60e42b
Encoding fixes for images
...
Support avg, paeth predictors for decoding. Special error flag for
unsupported error parameters. Support specifying encoder when creating
new image objects (inline,xobject).
2017-04-19 11:46:53 +00:00
Gunnsteinn Hall
ce836c6f71
Support for Pattern, Shading objects. Various fixes and enhancements.
2017-04-04 05:51:58 +00:00
Gunnsteinn Hall
90caacec66
Improved crypto handling for encrypt dicts with references
2017-03-29 15:54:50 +00:00
Peter Williams
5e0baec137
Parse floating point numbers correctly in content streams e.g. .1 .1 .2 RG
2017-03-29 17:31:46 +11:00
Gunnsteinn Hall
ec5ad27789
Minor fixes, initial interface for creating new annotations.
2017-03-24 11:31:20 +00:00
Gunnsteinn Hall
8ae4f6a63a
Initial implementation of a simple graphics state handler / content stream processor. Multiple changes and fixes in colorspace handling. And more.
2017-03-14 13:04:51 +00:00
Gunnsteinn Hall
0e56876030
Repair for broken pdfs with too long stream lengths
2017-03-08 19:59:29 +00:00
Gunnsteinn Hall
5e2931f493
Fix predictor handling for LZW too
2017-03-08 16:56:29 +00:00
Gunnsteinn Hall
fa47660fc6
Predictor encoding handling fix
2017-03-08 16:48:40 +00:00
Gunnsteinn Hall
74c0da0ad7
Part of last commit
2017-03-05 22:42:30 +00:00
Gunnsteinn Hall
ae934afa19
Fixes in CMYK colorspace handling
...
Some workaround for JPEG CMYK data (inversion), needs more testing
2017-03-05 22:41:38 +00:00
