From 5aad2aadffbf4d15131dc4252c1e37e233acdf9c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Emilio=20Jim=C3=A9nez?= <jimenezmoral@gmail.com>
Date: Wed, 26 Dec 2012 17:24:27 +0000
Subject: [PATCH] Add encrypted field to comment.

See #913
 - Legacy-Id: 5155
---
 ietf/nomcom/fields.py | 29 +++++++++++++++++++++++++++--
 ietf/settings.py      |  3 ++-
 2 files changed, 29 insertions(+), 3 deletions(-)

diff --git a/ietf/nomcom/fields.py b/ietf/nomcom/fields.py
index dc4d3685c..471e60275 100644
--- a/ietf/nomcom/fields.py
+++ b/ietf/nomcom/fields.py
@@ -1,6 +1,31 @@
+import tempfile
+from django.conf import settings
 from django.db import models
 
+from ietf.utils.pipe import pipe
+
+
+class EncriptedException(Exception):
+    pass
+
 
 class EncriptedTextField(models.TextField):
-    """ TODO: do the logic to store encripted text"""
-    pass
+    def pre_save(self, instance, add):
+        if add:
+            comments = getattr(instance, 'comments')
+            position = getattr(instance, 'position')
+            cert_file = position.nomcom.public_key.path
+            comments_file = tempfile.NamedTemporaryFile()
+            comments_file.write(comments)
+
+            code, out, error = pipe("%s smime -encrypt -in %s %s" % (settings.OPENSSL_COMMAND,
+                                    comments_file.name,
+                                    cert_file))
+            comments_file.close()
+            if not error:
+                instance.comments = out
+                return out
+            else:
+                raise EncriptedException(error)
+        else:
+            return instance.comments
diff --git a/ietf/settings.py b/ietf/settings.py
index 416b17e16..8a6f18bfc 100644
--- a/ietf/settings.py
+++ b/ietf/settings.py
@@ -261,9 +261,10 @@ IDSUBMIT_ANNOUNCE_LIST_EMAIL = 'i-d-announce@ietf.org'
 
 # NomCom Tool settings
 ROLODEX_URL = ""
-PUBLIC_KEYS_URL = BASE_DIR + "/public_keys/"
+PUBLIC_KEYS_URL = BASE_DIR + '/public_keys/'
 NOMCOM_FROM_EMAIL = DEFAULT_FROM_EMAIL
 NOMCOM_ADMIN_EMAIL = DEFAULT_FROM_EMAIL
+OPENSSL_COMMAND = '/usr/bin/openssl'
 
 # Days from meeting to cut off dates on submit
 FIRST_CUTOFF_DAYS = 19