keystore plugin for gnome keyring

setup.py

@@ -148,9 +148,12 @@ if __name__ == "__main__":
                 'libmessaging ='
                 'pybitmessage.plugins.indicator_libmessaging [gir]'
             ],
+            'bitmessage.keystore': [
+                'gnomekeyring = pybitmessage.plugins.keystore_gnomekeyring'
+            ],
             'bitmessage.proxyconfig': [
                 'stem = pybitmessage.plugins.proxyconfig_stem [tor]'
-            ],
+            ]
             # 'console_scripts': [
             #        'pybitmessage = pybitmessage.bitmessagemain:main'
             # ]

src/plugins/keystore_gnomekeyring.py

@@ -0,0 +1,72 @@
+# -*- coding: utf-8 -*-
+
+import gnomekeyring
+
+
+class GnomeKeystore(object):
+
+    def __init__(self, parent):
+        self.keyring = gnomekeyring.get_default_keyring_sync() or 'login'
+        self.parent = parent
+        try:
+            gnomekeyring.create_sync(self.keyring, None)
+        except gnomekeyring.AlreadyExistsError:
+            pass
+
+    def fetch(self, address, key_type):
+        try:
+            keys = gnomekeyring.find_items_sync(
+                gnomekeyring.ITEM_NETWORK_PASSWORD,
+                {'protocol': 'bitmessage',
+                 'address': address}
+            )[0].secret
+        except gnomekeyring.Error:
+            return
+
+        return keys.split(':')[
+            0 if key_type == 'privencryptionkey' else 1]
+
+    def push(self, address, keys):
+        update = self.fetch(address, 'privencryptionkey') is not None
+        try:
+            gnomekeyring.item_create_sync(
+                self.keyring,
+                gnomekeyring.ITEM_NETWORK_PASSWORD,
+                address,
+                {'protocol': 'bitmessage',
+                 'address': address},
+                ':'.join(keys), update
+            )
+        except (gnomekeyring.DeniedError, gnomekeyring.CancelledError):
+            pass
+
+    def _fetch_password(self):
+        try:
+            items = gnomekeyring.find_items_sync(
+                gnomekeyring.ITEM_GENERIC_SECRET,
+                {'pybitmessage': 1}
+            )
+            return items[0].secret
+        except gnomekeyring.Error:
+            pass
+
+    def _push_password(self, password):
+        update = self._fetch_password() is not None
+        try:
+            gnomekeyring.item_create_sync(
+                self.keyring,
+                gnomekeyring.ITEM_GENERIC_SECRET,
+                'PyBitmessage master password',
+                {'pybitmessage': 1}, password, update
+            )
+        except (gnomekeyring.DeniedError, gnomekeyring.CancelledError):
+            pass
+
+    def decrypt(self, data):
+        return self.parent._decrypt_AES_CFB(data, self._fetch_password())
+
+    def encrypt(self, data):
+        return self.parent._encrypt_AES_CFB(data, self._fetch_password())
+
+
+connect_plugin = GnomeKeystore