1 files changed, 35 insertions, 0 deletions
diff --git a/service/pixelated/adapter/soledad/soledad_search_key_masterkey_retrieval_mixin.py b/service/pixelated/adapter/soledad/soledad_search_key_masterkey_retrieval_mixin.py
new file mode 100644
index 00000000..8a912bc2
--- /dev/null
+++ b/service/pixelated/adapter/soledad/soledad_search_key_masterkey_retrieval_mixin.py
@@ -0,0 +1,35 @@
+#
+# Copyright (c) 2014 ThoughtWorks, Inc.
+#
+# Pixelated is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pixelated is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with Pixelated. If not, see <http://www.gnu.org/licenses/>.
+from pixelated.adapter.soledad.soledad_facade_mixin import SoledadDbFacadeMixin
+import os
+import base64
+
+
+class SoledadSearchIndexMasterkeyRetrievalMixin(SoledadDbFacadeMixin, object):
+
+    def get_index_masterkey(self):
+        deferred = self.get_search_index_masterkey()
+        deferred.addCallback(self._ensure_masterkey_exists)
+        return deferred
+
+    def _ensure_masterkey_exists(self, result):
+        index_key_doc = result[0] if result else None
+
+        if not index_key_doc:
+            new_index_key = os.urandom(64)  # 32 for encryption, 32 for hmac
+            self.create_doc(dict(type='index_key', value=base64.encodestring(new_index_key)))
+            return new_index_key
+        return base64.decodestring(index_key_doc.content['value'])