From af8680aa692ee52ee2bc14e2a77c8edcd36b3dda Mon Sep 17 00:00:00 2001
From: Ivan Alejandro <ivanalejandro0@gmail.com>
Date: Fri, 17 Jan 2014 15:07:37 -0300
Subject: Fix encodings usage, use custom json.loads method.

Also remove some unused imports.
---
 mail/src/leap/mail/imap/fetch.py    | 19 +++++--------------
 mail/src/leap/mail/imap/messages.py |  4 ++--
 2 files changed, 7 insertions(+), 16 deletions(-)

(limited to 'mail/src')

diff --git a/mail/src/leap/mail/imap/fetch.py b/mail/src/leap/mail/imap/fetch.py
index 604a2ea..817ad6a 100644
--- a/mail/src/leap/mail/imap/fetch.py
+++ b/mail/src/leap/mail/imap/fetch.py
@@ -18,9 +18,7 @@
 Incoming mail fetcher.
 """
 import copy
-import json
 import logging
-#import ssl
 import threading
 import time
 import sys
@@ -34,7 +32,6 @@ from StringIO import StringIO
 from twisted.python import log
 from twisted.internet import defer
 from twisted.internet.task import LoopingCall
-#from twisted.internet.threads import deferToThread
 from zope.proxy import sameProxiedObjects
 
 from leap.common import events as leap_events
@@ -49,6 +46,7 @@ from leap.common.mail import get_email_charset
 from leap.keymanager import errors as keymanager_errors
 from leap.keymanager.openpgp import OpenPGPKey
 from leap.mail.decorators import deferred
+from leap.mail.utils import json_loads
 from leap.soledad.client import Soledad
 from leap.soledad.common.crypto import ENC_SCHEME_KEY, ENC_JSON_KEY
 
@@ -321,7 +319,8 @@ class LeapIncomingMail(object):
         """
         log.msg('processing decrypted doc')
         doc, data = msgtuple
-        msg = json.loads(data)
+        msg = json_loads(data)
+
         if not isinstance(msg, dict):
             defer.returnValue(False)
         if not msg.get(self.INCOMING_KEY, False):
@@ -338,16 +337,15 @@ class LeapIncomingMail(object):
         Tries to decrypt a gpg message if data looks like one.
 
         :param data: the text to be decrypted.
-        :type data: unicode
+        :type data: str
         :return: data, possibly descrypted.
         :rtype: str
         """
+        leap_assert_type(data, str)
         log.msg('maybe decrypting doc')
-        leap_assert_type(data, unicode)
 
         # parse the original message
         encoding = get_email_charset(data)
-        data = data.encode(encoding)
         msg = self._parser.parsestr(data)
 
         # try to obtain sender public key
@@ -420,13 +418,6 @@ class LeapIncomingMail(object):
             # Bailing out!
             return (msg, False)
 
-        # decrypted successully, now fix encoding and parse
-        try:
-            decrdata = decrdata.encode(encoding)
-        except (UnicodeEncodeError, UnicodeDecodeError) as e:
-            logger.error("Unicode error {0}".format(e))
-            decrdata = decrdata.encode(encoding, 'replace')
-
         decrmsg = self._parser.parsestr(decrdata)
         # remove original message's multipart/encrypted content-type
         del(msg['content-type'])
diff --git a/mail/src/leap/mail/imap/messages.py b/mail/src/leap/mail/imap/messages.py
index 22de356..28bd272 100644
--- a/mail/src/leap/mail/imap/messages.py
+++ b/mail/src/leap/mail/imap/messages.py
@@ -494,8 +494,8 @@ class LeapMessage(fields, MailParser, MBoxParser):
             if not charset:
                 charset = self._get_charset(body)
             try:
-                body = body.decode(charset).encode(charset)
-            except (UnicodeEncodeError, UnicodeDecodeError) as e:
+                body = body.encode(charset)
+            except UnicodeError as e:
                 logger.error("Unicode error {0}".format(e))
                 body = body.encode(charset, 'replace')
 
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