From be7a91f7bebfd9c0f1790ef136ea49c6062b5a0b Mon Sep 17 00:00:00 2001
From: Thomas Fussell <thomas@fussell.io>
Date: Sat, 6 Jul 2019 15:29:04 -0400
Subject: [PATCH] try default password on read failure, closes #161

---
 source/workbook/workbook.cpp | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/source/workbook/workbook.cpp b/source/workbook/workbook.cpp
index dae61446..6437996b 100644
--- a/source/workbook/workbook.cpp
+++ b/source/workbook/workbook.cpp
@@ -865,7 +865,23 @@ void workbook::load(std::istream &stream)
 {
     clear();
     detail::xlsx_consumer consumer(*this);
-    consumer.read(stream);
+
+    try
+    {
+        consumer.read(stream);
+    }
+    catch (xlnt::exception &e)
+    {
+        if (e.what() == std::string("xlnt::exception : encrypted xlsx, password required"))
+        {
+            stream.seekg(0, std::ios::beg);
+            consumer.read(stream, "VelvetSweatshop");
+        }
+        else
+        {
+            throw;
+        }
+    }
 }
 
 void workbook::load(const std::vector<std::uint8_t> &data)