Added start of keepassplugin

.gitignore

@@ -104,4 +104,7 @@ venv.bak/
 
 # mypy
 .mypy_cache/
+
+# Idea
 .idea/
+*.iml

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

requirements.txt

@@ -1 +1,3 @@
-requests >= 2.21.0
+requests >= 2.21.0
+pywin32 >= 224
+lxml >= 4.3.0