Email answers allow checking signatures

Use Mail gem for receiving emails. Changed fixture email question to require a
valid signature. Tests for signatures validation.

3 files changed, 9 insertions, 6 deletions

diff --git a/app/models/email_answer.rb b/app/models/email_answer.rb
index ffec1ac..fe21fb1 100644
--- a/app/models/email_answer.rb
+++ b/app/models/email_answer.rb
@@ -14,6 +14,7 @@
 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 # Model storing answers for questions with email content.
 # No user is allowed to do anything except viewing.
+require 'message.rb'
 class EmailAnswer < Answer
   fields do
     correct :boolean
diff --git a/app/models/receiver.rb b/app/models/receiver.rb
new file mode 100644
index 0000000..2235984
--- /dev/null
+++ b/app/models/receiver.rb
@@ -0,0 +1,8 @@
+require 'message.rb'
+class Receiver
+  def self.receive(text)
+    # For now email answers for questions are only emails app receives
+    # so try use any received email as answer.
+    EmailAnswer.answer_from_email(Mail::Message.new(text))
+  end
+end
diff --git a/app/models/user_mailer.rb b/app/models/user_mailer.rb
index 1263e58..b405c8e 100644
--- a/app/models/user_mailer.rb
+++ b/app/models/user_mailer.rb
@@ -70,10 +70,4 @@ class UserMailer < ActionMailer::Base
 
     @body = { :email => email, :app_name => @app_name, :fields => fields }
   end
-
-  def receive(email)
-    # For now email answers for questions are only emails app receives
-    # so try use any received email as answer.
-    EmailAnswer.answer_from_email(email)
-  end
 end