1 files changed, 93 insertions, 0 deletions
diff --git a/climl.py b/climl.py
new file mode 100644
index 0000000..cfc527c
--- /dev/null
+++ b/climl.py
@@ -0,0 +1,93 @@
+#!/usr/bin/python3
+
+import os
+import subprocess
+import confparser
+import imapclient
+import contextlib
+import backports.ssl
+import socket
+
+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()}
+
+@contextlib.contextmanager
+def connect_to_imap(conf, password):
+
+    cafile = conf.get('imap.tls_ca', None)
+
+    if cafile:
+        cafile = os.path.expanduser(cafile)
+
+    ssl_context = imapclient.create_default_context(cafile=cafile)
+
+    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):
+        # 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),
+            ssl_context=ssl_context)
+    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)
+    print('successfuly logged')
+
+    # TODO: replace shutdown by logouts when it will not timeout through ssl
+    try:
+        yield connection
+        #connection.logout()
+    except (connection.AbortError, socket.error, socket.timeout,
+            backports.ssl.SSLError, backports.ssl.CertificateError):
+        raise
+    else:
+        pass
+        #connection.logout()
+    finally:
+        connection.shutdown()
+
+def main():
+    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:
+        password = subprocess.check_output(password_command, shell=True)
+        password = password.rstrip().decode('utf8')
+        print('got pasword:', password)
+
+    #connection = connect_to_imap(conf, password)
+    with connect_to_imap(conf, password) as connection:
+        print('selecting folder')
+        connection.select_folder(conf.get('imap.mailbox'))
+        print('entering idle mode')
+        connection.idle()
+        print('waiting for an event')
+        while True:
+            try:
+                result = connection.idle_check(timeout=10)
+            except KeyboardInterrupt:
+                break
+            print('result:', result)
+    print('end of connection')
+
+
+main() # dev mode for now