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-rw-r--r--fpdfsdk/src/fpdfview.cpp11
1 files changed, 11 insertions, 0 deletions
diff --git a/fpdfsdk/src/fpdfview.cpp b/fpdfsdk/src/fpdfview.cpp
index 70494e02a2..49dabe300b 100644
--- a/fpdfsdk/src/fpdfview.cpp
+++ b/fpdfsdk/src/fpdfview.cpp
@@ -340,6 +340,17 @@ DLLEXPORT unsigned long STDCALL FPDF_GetDocPermissions(FPDF_DOCUMENT document)
return pDict->GetInteger("P");
}
+DLLEXPORT int STDCALL FPDF_GetSecurityHandlerRevision(FPDF_DOCUMENT document)
+{
+ if (document == NULL) return -1;
+ CPDF_Document*pDoc = (CPDF_Document*)document;
+ CPDF_Parser* pParser = (CPDF_Parser*)pDoc->GetParser();
+ CPDF_Dictionary* pDict = pParser->GetEncryptDict();
+ if (pDict == NULL) return -1;
+
+ return pDict->GetInteger("R");
+}
+
DLLEXPORT int STDCALL FPDF_GetPageCount(FPDF_DOCUMENT document)
{
if (document == NULL) return 0;