m-holger
cb7180b1ba
Move QPDF::ObjCache::end_before_space etc to Xref_table
...
Also, delay adjustments for compressed objects until needed by
linearization checks.
2024-09-18 10:25:38 +01:00
m-holger
28c13f5492
Refactor Xref_table::subsections
...
Optimistically read subsection headers without reading individual object
entries, assuming that they are 20 bytes long as per the PDF spec. If
problems are encountered, fall back to calling bad_subsections.
2024-09-18 10:25:38 +01:00
m-holger
ad10fa3006
Rename Xref_table::subsections to bad_subsections
2024-09-18 10:25:38 +01:00
m-holger
0f0747b3ae
Refactor QPDF::getXRefTable
2024-09-18 10:25:38 +01:00
m-holger
965f0fcd63
Refactor QPDF::recoverStreamLength
2024-09-18 10:25:38 +01:00
m-holger
98c14e7740
Refactor QPDF::checkLinearizationInternal
2024-09-18 10:25:38 +01:00
m-holger
7775aec33e
Refactor QPDFWriter::preserveObjectStreams
2024-09-18 10:25:38 +01:00
m-holger
a1b646fcca
Refactor Xref_table::Entry
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Replace QPDFXRefEntry with a std::variant of structs.
2024-09-18 10:25:38 +01:00
m-holger
6b9eb14c76
Remove Xref_table::deleted_objects
2024-09-18 10:25:38 +01:00
m-holger
c0020cb17d
Change Xref_table::table to std::vector
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Temporarily disable 3 specific-bugs tests. Remove 'xref size mismatch'
test.
2024-09-18 10:25:38 +01:00
m-holger
91822ae6a1
Refactor Xref_table::reconstruct
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Split reconstruction into two passes - scanning of input for objects and
insertion of objects into the xref table. This allows insertion to take
place in the usual reverse order and removes the need for a separate
insert_reconstructed method.
2024-09-18 10:25:38 +01:00
m-holger
39df5936fe
Refactor Xref_table::read_table
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Rename to Xref_table::process_section.
Process trailer processing subsection entries.
2024-09-18 10:25:38 +01:00
m-holger
ed65619428
Add new methods Xref_table::subsections
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Calculate all subsections before reading subsection entries.
Duplicates some warnings for the time being.
2024-09-18 10:25:38 +01:00
m-holger
cee8d5c92d
Refactor Xref_table::parse_first
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Rename to Xref_table::subsection.
Return results instead of using out parameters.
Take on responsibility for throwing exception and calculation of offset of
first subsection entry.
2024-09-18 10:25:38 +01:00
m-holger
0c56cec6c3
Refactor QPDF::createFromJSON
2024-09-18 10:25:38 +01:00
m-holger
88fd7ca99a
Refactor QPDF::emptyPDF
2024-09-18 10:25:38 +01:00
m-holger
39abb11376
Make all QPDF::Xref_table data members private
2024-09-18 10:25:38 +01:00
m-holger
82419ca013
Add new data member QPDF::Xref_table::table
2024-09-18 10:25:38 +01:00
m-holger
742cc7d87b
Add temporary methods QPDF::Xref_table::size and as_map
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Also, remove redundant clearing of the xref tabl during QPDF destruction.
2024-09-18 10:25:38 +01:00
m-holger
fa03ed3891
Refactor QPDF::removeObject
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Do not remove object from xref table as this is only required when the
the method is called from within QPDF::Xref_table.
2024-09-18 10:25:38 +01:00
m-holger
5fc257f0f7
Add QPDF::Xref_table methods type, offset, stream_number and stream_index
2024-09-18 10:25:38 +01:00
m-holger
d64b14912d
Move QPDF::readTrailer to QPDF::Xref_table
2024-09-18 10:25:38 +01:00
m-holger
3ddc51a9dc
Move QPDF::resolveXRefTable to QPDF::Xref_table
2024-09-18 10:25:38 +01:00
m-holger
ad4688866d
Add new method QPDF::Xref_table::show
2024-09-18 10:25:38 +01:00
m-holger
1e2dcbf03e
Add QPDF::Xref_table members file and tokenizer
2024-09-18 10:25:38 +01:00
m-holger
b1d845e708
Split QPDF member file into file and file_sp to facilitate aliasing
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To be encapsulated later.
2024-09-18 10:25:37 +01:00
m-holger
db06e075ea
Move xref table initialisation from QPDF::parse to QPDF::Xref_table
2024-09-18 10:25:37 +01:00
m-holger
a4db9b3149
Move QPDF::read_xref to QPDF::Xref_table
2024-09-18 10:25:37 +01:00
m-holger
f30a5eb05a
Move QPDF::read_xrefStream to QPDF::Xref_table
2024-09-18 10:25:37 +01:00
m-holger
253d3aee8f
Move QPDF::read_xrefEntry to QPDF::Xref_table
2024-09-18 10:25:37 +01:00
m-holger
3fbff84594
Move QPDF::reconstruct_xref to QPDF::Xref_table
...
Also, when recovering trailer from xref streams, pick the last valid
trailer encountered rather than the first.
2024-09-18 10:25:37 +01:00
m-holger
1e072e223a
Move QPDF::insertXrefEntry etc to QPDF::Xref_table
2024-09-18 10:25:37 +01:00
m-holger
0ac37bc956
Add new class QPDF::Xref_table
2024-09-18 10:25:37 +01:00
m-holger
f8e6274a2e
Move QPDF inner class definitions to new QPDF_private.hh
2024-09-18 10:25:37 +01:00
m-holger
d42fda60d5
Amend "recover file with xref stream" test
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Change first xref stream dictionary to point to an invalid root in order
to detect failure to recover the last valid trailer.
2024-09-18 10:25:37 +01:00
m-holger
8f54319f7a
Merge pull request #1179 from m-holger/null
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In FUTURE, treat uninitialized object handles as null
2024-09-18 10:22:04 +01:00
m-holger
4b245364ca
Merge pull request #1285 from m-holger/fuzz
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Adjust fuzzer Pl_Flate memory limits
2024-09-18 00:56:25 +01:00
m-holger
68c2489b80
For qpdf fuzzers adjust the memory limit for Flate filtered streams
2024-09-18 00:13:24 +01:00
m-holger
dcf111a9bc
Apply fuzzer Pl_Flate memory limit only when inflating
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Fixes fuzz issue 71689.
2024-09-18 00:12:44 +01:00
m-holger
266d479735
Refactor QPDF_Array::at
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Change the return type to a std::pair<bool, QPDFObjectHandle> in order to
allow a default constructed object handle (which is currently returned to
indicate failure) to become a valid object.
2024-09-17 09:59:00 +01:00
m-holger
0afaaea22a
Deprecate QPDFObjectHandle::isInitialized and remove from library
2024-09-17 09:59:00 +01:00
m-holger
5a33c75b98
Add QPDFObjectHandle::operator bool
2024-09-17 09:59:00 +01:00
m-holger
bcf56e5333
Merge pull request #1269 from m-holger/hybrid
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Fix handling of hybrid reference files in QPDF::read_xrefTable
2024-09-17 09:50:59 +01:00
m-holger
61f7d97b20
Merge pull request #1283 from m-holger/fuzz
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Fix #1242
2024-09-17 00:19:52 +01:00
m-holger
54ac92eb1d
Merge pull request #1271 from m-holger/rsl
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Fix QPDF::recoverStreamLength
2024-09-16 20:38:14 +01:00
m-holger
75091093fe
Merge pull request #1280 from m-holger/streams
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Tidy QPDF_Stream
2024-09-16 19:52:24 +01:00
m-holger
ddfa3a24f0
Merge pull request #1281 from m-holger/input
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Replace some std::shared_ptr parameters with reference parameters
2024-09-16 17:59:53 +01:00
m-holger
9ba6e070a1
Fix #1242
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Ensure QPDF m->all_pages and invalid_page_found are reset if
getAllPagesInternal throws an exception.
Fixes fuzz case 71624.
2024-09-16 16:04:43 +01:00
m-holger
a238985087
Merge pull request #1277 from m-holger/objtable
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Refactor ObjTable
2024-09-06 00:39:59 +01:00
m-holger
5d25aac6c7
In QPDFParser constructor change input parameter to InputSource&
2024-09-05 15:30:32 +01:00
