From 5262c679d0aa086007a7a6704bc1ea62142f769b Mon Sep 17 00:00:00 2001
From: Rick Rongen <Rick.Rongen@amplexor.com>
Date: Wed, 6 Feb 2019 14:35:07 +0100
Subject: [PATCH] Added start of keepassplugin

---
 .gitignore           |  3 +++
 Crx/keepassplugin.py | 28 ++++++++++++++++++++++++++++
 requirements.txt     |  4 +++-
 3 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100644 Crx/keepassplugin.py

diff --git a/.gitignore b/.gitignore
index 2e452ac..21a07ca 100644
--- a/.gitignore
+++ b/.gitignore
@@ -104,4 +104,7 @@ venv.bak/
 
 # mypy
 .mypy_cache/
+
+# Idea
 .idea/
+*.iml
diff --git a/Crx/keepassplugin.py b/Crx/keepassplugin.py
new file mode 100644
index 0000000..6f90646
--- /dev/null
+++ b/Crx/keepassplugin.py
@@ -0,0 +1,28 @@
+import sys
+import gzip
+import base64
+from lxml import etree
+
+if sys.platform == 'win32':
+    iswin = True
+    import win32crypt
+else:
+    iswin = False
+    win32crypt = None
+
+
+ADDITIONAL_ENTROPY = b'\xf8\x03\xfaQ\x87\x18I]'
+PREFIX = 'data:application/vnd.KeePass.Entries-E;base64,'
+
+
+def parse_keepass_entry(data: str):
+    if not data.startswith(PREFIX):
+        raise ValueError("Not a valid entry")
+
+    data = base64.b64decode(data.split(','[1]))
+
+    if iswin:
+        data = win32crypt.CryptUnprotectData(data, ADDITIONAL_ENTROPY)
+
+    data = gzip.decompress(data)
+    return data.decode()  # XML String
diff --git a/requirements.txt b/requirements.txt
index 898cd84..751b266 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,3 @@
-requests >= 2.21.0
\ No newline at end of file
+requests >= 2.21.0
+pywin32 >= 224
+lxml >= 4.3.0
\ No newline at end of file