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2017-10-04Remove friends from CPDF_TextObjectchromium/3233Dan Sinclair
This CL removes the friends from CPDF_TextObject and adds accessor methods as needed. Change-Id: I68d18297640b46113df79f58bea50b77dac89d39 Reviewed-on: https://pdfium-review.googlesource.com/15455 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-10-04Remove CPDF_CMap friendsDan Sinclair
This CL removes the friends from CPDF_CMap and adds accessors for the needed items. Change-Id: Icf7b3e639c0904209f7db80c9460146cd29dd78a Reviewed-on: https://pdfium-review.googlesource.com/15452 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2017-10-04Make CPDF_TransferFunc members privateDan Sinclair
This CL moves the member variables of CPDF_TransferFunc to be private from public and adds accessors as needed. Change-Id: Ib5158721bbe833727b333da794d774f17e4fdea7 Reviewed-on: https://pdfium-review.googlesource.com/15451 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-10-04Explicitly return std::vector in CFDE_TextEditEngine.Lei Zhang
Some build configurations do not like the {} variant. Change-Id: I32f5a18e5b41b628d6b45ec5eb9b26eded5b7d9c Reviewed-on: https://pdfium-review.googlesource.com/15450 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-10-04Make CPDF_FontGlobals members privateDan Sinclair
This CL makes the embedded maps and the cmap manager private to CPDF_FontGlobals and adds accessor methods as needed. Change-Id: I50350fcfad5428defe5e68d9d3b29e8961e66e9f Reviewed-on: https://pdfium-review.googlesource.com/15412 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2017-10-04Remove CFX_CRTFileAccessDan Sinclair
The CFX_CRTFileAccess class was only used in one place and only provided one method. That method was folded back into the caller and the class removed. Change-Id: I5e670474244a9ec037b6d099d67bd5091cac7ff4 Reviewed-on: https://pdfium-review.googlesource.com/15410 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-10-04Fix Heap-use-after-free in CPDF_SecurityHandler::~CPDF_SecurityHandler.Artem Strygin
The CPDF_SecurityHandler contains unowned reference to "ID" array, which is owned by main trailer. Main trailer is owned by CPDF_Parser::m_TrailerData To fix this issue set m_TrailerData before m_pSecurityHandler(CPDF_SecurityHandler) in CPDF_Parser members list. Bug: chromium:771479 Change-Id: I38413ba16b1454ac775c8a07b126fa3b86714c1b Reviewed-on: https://pdfium-review.googlesource.com/15430 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Art Snake <art-snake@yandex-team.ru>
2017-10-04Improve readability for CPDF_LinearizedHeader.Artem Strygin
Change-Id: Ic564139cd8b14d2a8a2a5b4a70251b398753e50f Reviewed-on: https://pdfium-review.googlesource.com/13830 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-10-04Fix UAF in SetVisible().Henrique Nakashima
SetVisible() may be called during Destroy() which may be called during SetVisible(). This fixes the latest in a family of bugs that happen after an instance is freed by code triggered by JS code while it's executing a method. The CL has a lot of protection for many of these points where JS may be executed and potentially destroy objects. The return types of many methods that may execute JS have been changed to bool, indicating whether the instance is still alive after the call. Bug: chromium:770148 Change-Id: If5a9db4d8d6aac10f4dd6b645922bb96c116684d Reviewed-on: https://pdfium-review.googlesource.com/15190 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2017-10-04Unify parsing of cross ref table v4.Artem Strygin
We can use 'Prev' value of first-page cross-reference table trailer for load main cross-reference table, instead of 'T' value of Linearized header (Offset of first entry in main cross-reference table). This is better solution, because this is allow us check entry count in main cross-ref table and unify loading of main cross-ref table with loading methods of non linearized document. See PDF specification: http://wwwimages.adobe.com/content/dam/Adobe/en/devnet/pdf/pdfs/PDF32000_2008.pdf#678 (page 678, Example 3/part 3) Change-Id: I59dcf3c73a0fb561221ded78e827e40535dbd717 Reviewed-on: https://pdfium-review.googlesource.com/13810 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-10-04Simplify CPDF_DataAvail::ParseIndirectObjectAtArtem Strygin
Change-Id: I072df58730f323bb5d77d180382ea209cf47f930 Reviewed-on: https://pdfium-review.googlesource.com/13832 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Art Snake <art-snake@yandex-team.ru>
2017-10-03Unify CPDF_HintsTable.chromium/3232Artem Strygin
Break relationship from CPDF_DataAvail for CPDF_HintsTable. Change-Id: If3e6d4910dd368742f095c05adb122ab08c0d804 Reviewed-on: https://pdfium-review.googlesource.com/15270 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-10-03Improve CPDF_SecurityHandler code style.Artem Strygin
Make m_pEncryptDict as constant value. Change-Id: I4f65578e936eae5bd6afe9bfed20da3ab8e20de3 Reviewed-on: https://pdfium-review.googlesource.com/15350 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Art Snake <art-snake@yandex-team.ru>
2017-10-03Simplify CPDF_Parser::GetIDArrayArtem Strygin
Change-Id: Idbd205edcf7400ffc46edf4d9f09be6ace6d0e7f Reviewed-on: https://pdfium-review.googlesource.com/13734 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-10-03Move initialization of CPDF_CryptoHandler into CPDF_SytnaxParser initialization.Artem Strygin
Change-Id: I70d04f38767f2c17c41407fc9b4fc25519ba32f4 Reviewed-on: https://pdfium-review.googlesource.com/15330 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-10-03Use ByteString instead raw string for password in CPDF_SecurityHandler.Artem Strygin
Change-Id: I598d42027d033b250134429dfdf92ba043a523a3 Reviewed-on: https://pdfium-review.googlesource.com/15310 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-10-03Move the CryptoHandler into the SecurityHandlerArtem Strygin
Change-Id: Idb5928e65833641d0443d955e4f2866d0f94cf5f Reviewed-on: https://pdfium-review.googlesource.com/15291 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-10-03Remove the parser from the CPDF_SecurityHandler .Artem Strygin
Change-Id: I9fb651285c158e0f61d19e1aaf0d8bcfd302a22f Reviewed-on: https://pdfium-review.googlesource.com/15290 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Art Snake <art-snake@yandex-team.ru>
2017-10-03Change the ownership of the CPDF_CryptoHandler.Artem Strygin
Change-Id: I3ae8337c1a77063470eb5baa97db62ea2e90688b Reviewed-on: https://pdfium-review.googlesource.com/15230 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Art Snake <art-snake@yandex-team.ru>
2017-10-03Reduce calls of external API within CPDF_ReadVaildatorArtem Strygin
Change-Id: Ib5aac82213138c1b3f99a458894329265d1e1b05 Reviewed-on: https://pdfium-review.googlesource.com/13731 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-10-03Improve CPDF_ReadVaildatorArtem Strygin
Merge CPDF_ReadValidator::IsXXXAvailable and CPDF_ReadValidator::SheduleXXXDowload methods into one CheckXXXAndRequestIfUnavailable. Change-Id: Ib108d5bc3589df17269c841b0024dd4690909304 Reviewed-on: https://pdfium-review.googlesource.com/13730 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Art Snake <art-snake@yandex-team.ru>
2017-10-03Rewrite how GIF headers are readRyan Harrison
Break up reading the signature and local screen descriptors into seperate functions. Fix a bug in how matching in the signature validation works. Move LSD value assignment to after sufficient data has been confirmed. Convert LSB to MSB methods where they were just wrong. Add unit tests for ReadData, SetInputBuffer, ReadSignature, ReadLocalScreenDescriptor, and ReadHeader. BUG=pdfium:913,chromium:770470 Change-Id: I1683b8aefc11300625b9be8087c6988549308a8f Reviewed-on: https://pdfium-review.googlesource.com/15250 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-10-02Replace GetWord_LSBFirst with FXWORD_GET_LSBFIRSTchromium/3231Ryan Harrison
The existing implementation of a LSB first word method was incorrect, in addition it was implemented to the BMP code, but also used in the GIF code. Thus is should be moved to a common location. Also added in an implementation for FXWORD_GET_MSBFIRST, since the GIF code will need this. BUG=pdfium:914 Change-Id: I0e84813356fbd456b293a190da3c2cde01a6580b Reviewed-on: https://pdfium-review.googlesource.com/15210 Reviewed-by: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2017-10-02More define cleanupDan Sinclair
Remove unused defines; Move to .cpp files where possible; Fixup values. Change-Id: I88cd5deb04b14ab8e9f8097a695c3d0b52d64b4c Reviewed-on: https://pdfium-review.googlesource.com/15130 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-10-02Remove extraneous ;sDan Sinclair
Bug: pdfium:912 Change-Id: Iea61260ccc972627950b470a44ab21dbd2b4045b Reviewed-on: https://pdfium-review.googlesource.com/15170 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-10-02Remove useless code.Artem Strygin
Change-Id: I521d6e83f392820c40f6be930ff3bf160b766b52 Reviewed-on: https://pdfium-review.googlesource.com/15150 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-10-02Move CPDF_Parser::ObjectType into protected sectionArtem Strygin
Change-Id: I2a26647359a7d14d7d1269fe2835e0b3184f2ca8 Reviewed-on: https://pdfium-review.googlesource.com/13732 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-10-02Implement CPDF_CryptoHandler::DecryptObjectArtem Strygin
Decryption logic has been extracted from CPDF_SyntaxParser::GetObjectBody into CPDF_CryptoHandler::DecryptObject Performance comparison results: https://pdfium-review.googlesource.com/c/pdfium/+/12970 Change-Id: Iaeaed56b7f96166bbbcf6db162192d2ba9af4698 Reviewed-on: https://pdfium-review.googlesource.com/12971 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-10-02Allow to use null FX_DOWNLOADHINTS to check data availabilityArtem Strygin
This is allow us check document/pages/form availability using FPDFAvail_IsXXAvail without download requests. Change-Id: Ie4525147d8b8e98573d53b2e5b456b632a8a1951 Reviewed-on: https://pdfium-review.googlesource.com/13030 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Art Snake <art-snake@yandex-team.ru>
2017-10-02Use std::make_tupleDan Sinclair
This CL updates cfx_fontmapper to use std::make_tuple instead of the {} variant. Change-Id: I1eeeeed803fd4b813f3dbf7b3d23416af9400b6f Reviewed-on: https://pdfium-review.googlesource.com/15131 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-10-02Removing unused definesDan Sinclair
Remove unused defines. Change-Id: Ibf10d8470f19cbf4528fe1342398a39ef15c1d12 Reviewed-on: https://pdfium-review.googlesource.com/15110 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2017-09-29Extract test subclasses of IFX_SeekableReadStreamRyan Harrison
There are multiple instances of subclasses that either act as an invalid stream or one backed by a memory buffer. Merging all of these into two shared stream classes and removing the others. BUG=pdfium:911 Change-Id: I264602808c6dc0e5c878da462a5e00883fe43e51 Reviewed-on: https://pdfium-review.googlesource.com/15093 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2017-09-28Cleanup font definesDan Sinclair
Use methods to match font information; cleanup some font code. Change-Id: Ib99c1e466e56723cb5d264d49e1caf9bbbc0daed Reviewed-on: https://pdfium-review.googlesource.com/15072 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-09-28Cleanup font definesDan Sinclair
This CL removes duplicate defines between XFA and core. Several OR'd values have been coverted into individual booleans to make the code clearer. Change-Id: Ic32a71c711cffd9a0cf1136e5a22f0502e085c39 Reviewed-on: https://pdfium-review.googlesource.com/15071 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-09-28Convert LZW decompressor to use vector instead of static arraychromium/3230chromium/3229chromium/3228chromium/3227Ryan Harrison
Speciifically replacing what was called the "stack_", an array, with a vector called "decompressed_". The fact that this data structure wasn't actually a stack caused a lot of grief when refactoring. BUG=pdfium:903 Change-Id: I056f8fc9183bcde67a03dc9de0dae9ddf9fb0f37 Reviewed-on: https://pdfium-review.googlesource.com/15092 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2017-09-28Add Length1 in TrueType font streamsNicolás Peña
Bug: pdfium:892 Change-Id: Ica0377515589a96a8919cb8ed2a3da1d1c9f6191 Reviewed-on: https://pdfium-review.googlesource.com/15030 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
2017-09-28Implement FakeFileAccess.Artem Strygin
Update embedder tests to simulate unavailable data and download requests. Change-Id: I634fa89d2a0c859243e849752936da87568909f4 Reviewed-on: https://pdfium-review.googlesource.com/11890 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-09-28Cleanup CFGAS_GEFont methodsDan Sinclair
Remove unused params, cleanup return values. Change-Id: I9a1bc400e24cdcac982a578242ff0f9de8055775 Reviewed-on: https://pdfium-review.googlesource.com/15070 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2017-09-28Simplify some OS checks to PLATFORM checksDan Sinclair
This CL simplifies the OS == WIN{32|64} checks to be PLATFORM == WINDOWS checks. Change-Id: I1493d316dd457b0228e4ef39db4cf1d2b8abf97d Reviewed-on: https://pdfium-review.googlesource.com/14870 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-09-28Fix load non first pages in linearized document with hints table.Artem Strygin
Tha problem was, that when we use hints tables, we do not check pages tree availability, but currently for receiving page object in CPDF_Document, the pages tree should be available anyway. Change-Id: I908d00027fd8727f074a38e47fea095229ef5147 Reviewed-on: https://pdfium-review.googlesource.com/11892 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-09-28Fix infinite loop on form availability check.Artem Strygin
The problem was, that the CPDF_SyntaxParser read last block not from requested position. In this case It move down requested position to fill whole buffer. As result this additional data was not requested by DownloadHints. To fix this allow resize data buffer in CPDF_SyntaxParser, to store more small block, and always read from requsted position. Also add reading check into CPDF_Parser::LoadLinearizedMainXRefTable to prevent infinite loops. Change-Id: I14d3f4457393025dca390aa3ceaa940716463534 Reviewed-on: https://pdfium-review.googlesource.com/11891 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-09-28Remove no-op castRyan Harrison
Change-Id: I2427e29291218a7b004591673bd5281f23f1284a Reviewed-on: https://pdfium-review.googlesource.com/15091 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2017-09-28Change bottom-top order in FontBBoxNicolás Peña
The FontBBox, for compatiblity reasons, must be specified top to bottom. This CL flips the current implementation which was bottom to top. Bug: pdfium:892 Change-Id: Ieb8d3bb183ed7870e3b3d7f0380f1343adedf87b Reviewed-on: https://pdfium-review.googlesource.com/14851 Commit-Queue: Nicolás Peña Moreno <npm@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-09-27Cleanup some font headersDan Sinclair
This CL moves some font defines to the only .cpp file they're used in and removes un-needed forward declarations from fx_font.h. Change-Id: Ic291a42d6bddfa6537111a7d42728802236e6e26 Reviewed-on: https://pdfium-review.googlesource.com/14970 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2017-09-27Hide FaceFontInfo inside CFX_FolderFontInfoDan Sinclair
This CL moves CFX_FaceFontInfo to be a protected inner class of CFX_FolderFontInfo. Change-Id: I3674c36d5295307be253e04337c22d6d0608fefe Reviewed-on: https://pdfium-review.googlesource.com/14952 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2017-09-27Remove error strings from BMP decoding pathRyan Harrison
These are error strings are set but never used for anything. BUG=pdfium:907 Change-Id: I08d9547009116f7386d15b4a965b9a99c7bf1997 Reviewed-on: https://pdfium-review.googlesource.com/15010 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2017-09-27Cleaning up naming of GIF files/classes/variablesRyan Harrison
Moved everything from core/fxcodec/lgif to core/fxcodec/gif Converted CGifContext -> CFX_GifContext Removed _ptr suffixes from CXF_GifContext Movef fx_gif.* -> cfx_gif.* Renamed structs in cfx_gif.h Renamed members of CFX_GifImage Renamed members of CFX_GifContext Renamed CFX_LZWDecoder -> CFX_LZWDecompressor BUG=pdfium:903 Change-Id: I537e905e935da26832e6bbdc03e0373ed5500bcb Reviewed-on: https://pdfium-review.googlesource.com/14990 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-09-27Move CFX_Font definition to cfx_font.hDan Sinclair
This CL moves the CFX_Font definition out of fx_font.h and into cfx_font.h to match the cfx_font.cpp implementation. Change-Id: Icc2fc7463fa4b9d0bec925e80b60a638136a83a1 Reviewed-on: https://pdfium-review.googlesource.com/14951 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2017-09-27Remove error string from CGifContextRyan Harrison
This string is set, but never used. BUG=pdfium:907 Change-Id: I57555d0dd3670b245554ff2d7163d1d04bcdb7e8 Reviewed-on: https://pdfium-review.googlesource.com/14930 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2017-09-27Cleanup fx_freetype.hDan Sinclair
This CL converts typedefs to using statements, removes unused defines and changes c-style casts to static_cast or reinterpret_cast as needed. Change-Id: Id700eed82a7e59574b0769567084ee442e56b151 Reviewed-on: https://pdfium-review.googlesource.com/14950 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
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