Disable objects decryption if it is useless.

Change-Id: I6a588b4af4cfede922bc3756be749e9e30e3e8e5
Reviewed-on: https://pdfium-review.googlesource.com/12370
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Art Snake <art-snake@yandex-team.ru>

3 files changed, 8 insertions, 8 deletions

diff --git a/core/fpdfapi/parser/cfdf_document.cpp b/core/fpdfapi/parser/cfdf_document.cpp
index b00806967b..41827db0d9 100644
--- a/core/fpdfapi/parser/cfdf_document.cpp
+++ b/core/fpdfapi/parser/cfdf_document.cpp
@@ -67,7 +67,7 @@ void CFDF_Document::ParseStream(
         break;
 
       std::unique_ptr<CPDF_Object> pObj =
-          parser.GetObject(this, objnum, 0, true);
+          parser.GetObject(this, objnum, 0, false);
       if (!pObj)
         break;
 
@@ -80,7 +80,7 @@ void CFDF_Document::ParseStream(
         break;
 
       std::unique_ptr<CPDF_Dictionary> pMainDict =
-          ToDictionary(parser.GetObject(this, 0, 0, true));
+          ToDictionary(parser.GetObject(this, 0, 0, false));
       if (pMainDict)
         m_pRootDict = pMainDict->GetDictFor("Root");
 
diff --git a/core/fpdfapi/parser/cpdf_data_avail.cpp b/core/fpdfapi/parser/cpdf_data_avail.cpp
index b7ea238507..b10029d4ce 100644
--- a/core/fpdfapi/parser/cpdf_data_avail.cpp
+++ b/core/fpdfapi/parser/cpdf_data_avail.cpp
@@ -680,7 +680,7 @@ std::unique_ptr<CPDF_Object> CPDF_DataAvail::ParseIndirectObjectAt(
   }
 
   std::unique_ptr<CPDF_Object> pObj =
-      m_syntaxParser.GetObject(pObjList, parser_objnum, gennum, true);
+      m_syntaxParser.GetObject(pObjList, parser_objnum, gennum, false);
   m_syntaxParser.SetPos(SavedPos);
   return pObj;
 }
@@ -926,7 +926,7 @@ bool CPDF_DataAvail::CheckTrailer() {
   const CPDF_ReadValidator::Session read_session(GetValidator().Get());
   m_syntaxParser.SetPos(m_dwTrailerOffset);
   const std::unique_ptr<CPDF_Object> pTrailer =
-      m_syntaxParser.GetObject(nullptr, 0, 0, true);
+      m_syntaxParser.GetObject(nullptr, 0, 0, false);
   if (!pTrailer) {
     if (!GetValidator()->has_read_problems())
       m_docStatus = PDF_DATAAVAIL_ERROR;
diff --git a/core/fpdfapi/parser/cpdf_parser.cpp b/core/fpdfapi/parser/cpdf_parser.cpp
index c57d65e78e..fffa7f9b00 100644
--- a/core/fpdfapi/parser/cpdf_parser.cpp
+++ b/core/fpdfapi/parser/cpdf_parser.cpp
@@ -870,7 +870,7 @@ bool CPDF_Parser::RebuildCrossRef() {
               m_pSyntax->SetPos(pos + i - m_pSyntax->m_HeaderOffset);
 
               std::unique_ptr<CPDF_Object> pObj =
-                  m_pSyntax->GetObject(m_pDocument.Get(), 0, 0, true);
+                  m_pSyntax->GetObject(m_pDocument.Get(), 0, 0, false);
               if (pObj) {
                 if (pObj->IsDictionary() || pObj->AsStream()) {
                   CPDF_Stream* pStream = pObj->AsStream();
@@ -1232,7 +1232,7 @@ std::unique_ptr<CPDF_Object> CPDF_Parser::ParseIndirectObject(
     return nullptr;
 
   syntax.SetPos(offset + it->second);
-  return syntax.GetObject(pObjList, 0, 0, true);
+  return syntax.GetObject(pObjList, 0, 0, false);
 }
 
 CFX_RetainPtr<CPDF_StreamAcc> CPDF_Parser::GetObjectStream(uint32_t objnum) {
@@ -1328,7 +1328,7 @@ std::unique_ptr<CPDF_Dictionary> CPDF_Parser::LoadTrailerV4() {
   if (m_pSyntax->GetKeyword() != "trailer")
     return nullptr;
 
-  return ToDictionary(m_pSyntax->GetObject(m_pDocument.Get(), 0, 0, true));
+  return ToDictionary(m_pSyntax->GetObject(m_pDocument.Get(), 0, 0, false));
 }
 
 uint32_t CPDF_Parser::GetPermissions() const {
@@ -1365,7 +1365,7 @@ bool CPDF_Parser::ParseLinearizedHeader() {
   }
 
   m_pLinearized = CPDF_LinearizedHeader::CreateForObject(
-      m_pSyntax->GetObject(nullptr, objnum, gennum, true));
+      m_pSyntax->GetObject(nullptr, objnum, gennum, false));
   if (!m_pLinearized)
     return false;