Undid delete of ietf/nomcom/fields; it's currently needed by ietf/nomcom/migrations/0001_initial.py

- Legacy-Id: 16403

ietf/nomcom/fields.py

@@ -0,0 +1,32 @@
+# Copyright The IETF Trust 2012-2019, All Rights Reserved
+from django.conf import settings
+from django.db import models
+from django.utils.encoding import smart_str
+
+from ietf.utils.pipe import pipe
+from ietf.utils.log import log
+
+class EncryptedException(Exception):
+    pass
+
+class EncryptedTextField(models.TextField):
+    def pre_save(self, instance, add):
+        if add:
+            comments = smart_str(getattr(instance, 'comments'))
+            nomcom = getattr(instance, 'nomcom')
+            try:
+                cert_file = nomcom.public_key.path
+            except ValueError as e:
+                raise ValueError("Trying to read the NomCom public key: " + str(e))
+
+            command = "%s smime -encrypt -in /dev/stdin %s" % (settings.OPENSSL_COMMAND, cert_file)
+            code, out, error = pipe(command, comments.encode())
+            if code != 0:
+                log("openssl error: %s:\n  Error %s: %s" %(command, code, error))
+            if not error:
+                instance.comments = out
+                return out
+            else:
+                raise EncryptedException(error)
+        else:
+            return instance.comments