From ee8e536d83e7fd38a0ad9f88a172fae956c15754 Mon Sep 17 00:00:00 2001
From: VG <vg@devys.org>
Date: Wed, 16 Dec 2015 23:06:24 +0100
Subject: add conf processing (boolean)

---
 climl_imap_bridge.py | 28 ++++++++++++++++++++++------
 1 file changed, 22 insertions(+), 6 deletions(-)

diff --git a/climl_imap_bridge.py b/climl_imap_bridge.py
index 8070b86..c0ddb82 100644
--- a/climl_imap_bridge.py
+++ b/climl_imap_bridge.py
@@ -7,6 +7,22 @@ import imapclient
 
 import backports.ssl
 
+def conf_boolean_postprocess(src):
+    src = src.lower().strip()
+    if src == 'true' or src == 'on' or src == '1':
+        return True
+    return False
+
+def conf_postprocess(conf):
+    d = {
+            'imap.tls':                     conf_boolean_postprocess,
+            'imap.start_tls':               conf_boolean_postprocess,
+            'imap.tls_nocheck_hostname':    conf_boolean_postprocess,
+            'imap.tls_nocheck_ca':          conf_boolean_postprocess,
+    }
+    return {key: d[key](value) if key in d else value
+            for key, value in conf.items()}
+
 def connect_to_imap(conf, password):
 
     cafile = conf.get('imap.tls_ca', None)
@@ -16,18 +32,18 @@ def connect_to_imap(conf, password):
 
     ssl_context = imapclient.create_default_context(cafile=cafile)
 
-    if conf.get('imap.tls_nocheck_hostname', 'false').lower() == 'true':
+    if conf.get('imap.tls_nocheck_hostname', False):
         # don't check if certificate hostname doesn't match target hostname
         ssl_context.check_hostname = False
 
-    if conf.get('imap.tls_nocheck_ca', 'false').lower() == 'true':
+    if conf.get('imap.tls_nocheck_ca', False):
         # don't check if the certificate is trusted by a certificate authority
         ssl_context.verify_mode = backports.ssl.CERT_NONE
 
     connection = imapclient.IMAPClient(host=conf.get('imap.server'),
-            ssl=conf.get('imap.tls', 'true').lower() == 'true',
+            ssl=conf.get('imap.tls', True),
             ssl_context=ssl_context)
-    if conf.get('imap.start_tls', 'false').lower() == 'true':
+    if conf.get('imap.start_tls', False):
         connection.start_tls(ssl_context=ssl_context)
     print('connection succeed')
     connection.login(username=conf.get('imap.username'), password=password)
@@ -35,8 +51,8 @@ def connect_to_imap(conf, password):
     return connection
 
 def main():
-    confpath = os.path.expanduser('~') + '/temp/conf.cfg'
-    conf = confparser.read_conf(confpath)
+    confpath = os.path.expanduser('~/temp/conf.cfg')
+    conf = conf_postprocess(confparser.read_conf(confpath))
     print('Read conf:', conf)
     password_command = conf.get('imap.password_command', None)
     if password_command:
-- 
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