From b7fe3c6e8c9d332fc6d3ca55ec9f852ce162c5a1 Mon Sep 17 00:00:00 2001
From: Artem Strygin <art-snake@yandex-team.ru>
Date: Tue, 3 Oct 2017 19:10:04 +0300
Subject: Move the CryptoHandler into the SecurityHandler

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>
---
 core/fpdfapi/parser/cpdf_parser.cpp | 19 ++++++++-----------
 1 file changed, 8 insertions(+), 11 deletions(-)

(limited to 'core/fpdfapi/parser/cpdf_parser.cpp')

diff --git a/core/fpdfapi/parser/cpdf_parser.cpp b/core/fpdfapi/parser/cpdf_parser.cpp
index 17f49c6324..a1b8a2deba 100644
--- a/core/fpdfapi/parser/cpdf_parser.cpp
+++ b/core/fpdfapi/parser/cpdf_parser.cpp
@@ -155,10 +155,6 @@ void CPDF_Parser::SetEncryptDictionary(CPDF_Dictionary* pDict) {
   m_pEncryptDict = pDict;
 }
 
-CPDF_CryptoHandler* CPDF_Parser::GetCryptoHandler() const {
-  return m_pCryptoHandler.get();
-}
-
 RetainPtr<IFX_SeekableReadStream> CPDF_Parser::GetFileAccess() const {
   return m_pSyntax->GetFileAccess();
 }
@@ -315,17 +311,15 @@ CPDF_Parser::Error CPDF_Parser::SetEncryptHandler() {
                                   m_Password))
       return PASSWORD_ERROR;
 
-    m_pSecurityHandler = std::move(pSecurityHandler);
-    auto pCryptoHandler = pdfium::MakeUnique<CPDF_CryptoHandler>();
-    if (!pCryptoHandler->Init(m_pEncryptDict.Get(), m_pSecurityHandler.get()))
+    if (!pSecurityHandler->InitCryptoHandler())
       return HANDLER_ERROR;
-    m_pCryptoHandler = std::move(pCryptoHandler);
+
+    m_pSecurityHandler = std::move(pSecurityHandler);
   }
   return SUCCESS;
 }
 
 void CPDF_Parser::ReleaseEncryptHandler() {
-  m_pCryptoHandler.reset();
   m_pSecurityHandler.reset();
   SetEncryptDictionary(nullptr);
 }
@@ -1276,9 +1270,12 @@ std::unique_ptr<CPDF_Object> CPDF_Parser::ParseIndirectObjectAtInternal(
   if (result && objnum && result->GetObjNum() != objnum)
     return nullptr;
 
-  const bool should_decrypt = m_pCryptoHandler && objnum != m_MetadataObjnum;
+  const bool should_decrypt = m_pSecurityHandler &&
+                              m_pSecurityHandler->GetCryptoHandler() &&
+                              objnum != m_MetadataObjnum;
   if (should_decrypt)
-    result = m_pCryptoHandler->DecryptObjectTree(std::move(result));
+    result = m_pSecurityHandler->GetCryptoHandler()->DecryptObjectTree(
+        std::move(result));
 
   return result;
 }
-- 
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