From 1308c450903dcae15e37f06339a5c6bff73bab2c Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Sat, 28 Jan 2023 13:41:58 -0500
Subject: Implement --remove-restrictions (fixes #833)

---
 libqpdf/QPDF.cc | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'libqpdf/QPDF.cc')

diff --git a/libqpdf/QPDF.cc b/libqpdf/QPDF.cc
index 812fb127..583a028c 100644
--- a/libqpdf/QPDF.cc
+++ b/libqpdf/QPDF.cc
@@ -2777,3 +2777,14 @@ QPDF::everPushedInheritedAttributesToPages() const
 {
     return this->m->ever_pushed_inherited_attributes_to_pages;
 }
+
+void
+QPDF::removeSecurityRestrictions()
+{
+    auto root = getRoot();
+    root.removeKey("/Perms");
+    auto acroform = root.getKey("/AcroForm");
+    if (acroform.isDictionary() && acroform.hasKey("/SigFlags")) {
+        acroform.replaceKey("/SigFlags", QPDFObjectHandle::newInteger(0));
+    }
+}
-- 
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