[UI] Refactor duplicated code out of connection managers

13 files changed, 430 insertions, 433 deletions

diff --git a/deluge/tests/common_web.py b/deluge/tests/common_web.py
index 7ba5f9f42..1ca5fb68d 100644
--- a/deluge/tests/common_web.py
+++ b/deluge/tests/common_web.py
@@ -66,9 +66,9 @@ class WebServerTestBase(BaseTestCase, DaemonBase):
 
         self.deluge_web = DelugeWeb(daemon=False)
 
-        host = list(self.deluge_web.web_api.host_list['hosts'][0])
+        host = list(self.deluge_web.web_api.hostlist.get_hosts_info2()[0])
         host[2] = self.listen_port
-        self.deluge_web.web_api.host_list['hosts'][0] = tuple(host)
+        self.deluge_web.web_api.hostlist.config['hosts'][0] = tuple(host)
         self.host_id = host[0]
         self.deluge_web.start()
 
diff --git a/deluge/tests/test_authmanager.py b/deluge/tests/test_authmanager.py
index d8b502a89..2d25d0f33 100644
--- a/deluge/tests/test_authmanager.py
+++ b/deluge/tests/test_authmanager.py
@@ -9,6 +9,7 @@ from __future__ import unicode_literals
 
 import deluge.component as component
 from deluge.core.authmanager import AUTH_LEVEL_ADMIN, AuthManager
+from deluge.ui import hostlist
 
 from .basetest import BaseTestCase
 
@@ -23,8 +24,7 @@ class AuthManagerTestCase(BaseTestCase):
         return component.shutdown()
 
     def test_authorize(self):
-        from deluge.ui import common
         self.assertEqual(
-            self.auth.authorize(*common.get_localhost_auth()),
+            self.auth.authorize(*hostlist.get_localhost_auth()),
             AUTH_LEVEL_ADMIN
         )
diff --git a/deluge/tests/test_client.py b/deluge/tests/test_client.py
index 839f46fd1..84d7fd9f6 100644
--- a/deluge/tests/test_client.py
+++ b/deluge/tests/test_client.py
@@ -10,10 +10,11 @@ from __future__ import unicode_literals
 from twisted.internet import defer
 
 import deluge.component as component
-import deluge.ui.common
 from deluge import error
+from deluge.common import AUTH_LEVEL_NORMAL
 from deluge.core.authmanager import AUTH_LEVEL_ADMIN
 from deluge.ui.client import Client, DaemonSSLProxy, client
+from deluge.ui.hostlist import get_localhost_auth
 
 from .basetest import BaseTestCase
 from .daemon_base import DaemonBase
@@ -98,7 +99,7 @@ class ClientTestCase(BaseTestCase, DaemonBase):
         return d
 
     def test_connect_localclient(self):
-        username, password = deluge.ui.common.get_localhost_auth()
+        username, password = get_localhost_auth()
         d = client.connect('localhost', self.listen_port, username=username, password=password)
 
         def on_connect(result):
@@ -110,7 +111,7 @@ class ClientTestCase(BaseTestCase, DaemonBase):
         return d
 
     def test_connect_bad_password(self):
-        username, password = deluge.ui.common.get_localhost_auth()
+        username, password = get_localhost_auth()
         d = client.connect('localhost', self.listen_port, username=username, password=password + '1')
 
         def on_failure(failure):
@@ -125,7 +126,7 @@ class ClientTestCase(BaseTestCase, DaemonBase):
         return d
 
     def test_connect_invalid_user(self):
-        username, password = deluge.ui.common.get_localhost_auth()
+        username, password = get_localhost_auth()
         d = client.connect('localhost', self.listen_port, username='invalid-user')
 
         def on_failure(failure):
@@ -140,7 +141,7 @@ class ClientTestCase(BaseTestCase, DaemonBase):
         return d
 
     def test_connect_without_password(self):
-        username, password = deluge.ui.common.get_localhost_auth()
+        username, password = get_localhost_auth()
         d = client.connect('localhost', self.listen_port, username=username)
 
         def on_failure(failure):
@@ -156,12 +157,12 @@ class ClientTestCase(BaseTestCase, DaemonBase):
 
     @defer.inlineCallbacks
     def test_connect_with_password(self):
-        username, password = deluge.ui.common.get_localhost_auth()
+        username, password = get_localhost_auth()
         yield client.connect('localhost', self.listen_port, username=username, password=password)
         yield client.core.create_account('testuser', 'testpw', 'DEFAULT')
         yield client.disconnect()
         ret = yield client.connect('localhost', self.listen_port, username='testuser', password='testpw')
-        self.assertEqual(ret, deluge.common.AUTH_LEVEL_NORMAL)
+        self.assertEqual(ret, AUTH_LEVEL_NORMAL)
         yield
 
     @defer.inlineCallbacks
@@ -176,7 +177,7 @@ class ClientTestCase(BaseTestCase, DaemonBase):
         yield d
 
     def test_connect_without_sending_client_version_fails(self):
-        username, password = deluge.ui.common.get_localhost_auth()
+        username, password = get_localhost_auth()
         no_version_sending_client = NoVersionSendingClient()
         d = no_version_sending_client.connect(
             'localhost', self.listen_port, username=username, password=password
diff --git a/deluge/tests/test_rpcserver.py b/deluge/tests/test_rpcserver.py
index ab8239bc1..dc74f850e 100644
--- a/deluge/tests/test_rpcserver.py
+++ b/deluge/tests/test_rpcserver.py
@@ -15,7 +15,7 @@ from deluge.core import rpcserver
 from deluge.core.authmanager import AuthManager
 from deluge.core.rpcserver import DelugeRPCProtocol, RPCServer
 from deluge.log import setup_logger
-from deluge.ui.common import get_localhost_auth
+from deluge.ui.hostlist import get_localhost_auth
 
 from .basetest import BaseTestCase
 
diff --git a/deluge/tests/test_ui_entry.py b/deluge/tests/test_ui_entry.py
index 977b84dcc..272a523e9 100644
--- a/deluge/tests/test_ui_entry.py
+++ b/deluge/tests/test_ui_entry.py
@@ -25,6 +25,7 @@ import deluge.ui.console.main
 import deluge.ui.web.server
 from deluge.common import utf8_encode_structure
 from deluge.ui import ui_entry
+from deluge.ui.hostlist import get_localhost_auth
 from deluge.ui.web.server import DelugeWeb
 
 from . import common
@@ -338,7 +339,7 @@ class ConsoleUIWithDaemonBaseTestCase(UIWithDaemonBaseTestCase):
 
     @defer.inlineCallbacks
     def test_console_command_status(self):
-        username, password = deluge.ui.common.get_localhost_auth()
+        username, password = get_localhost_auth()
         self.patch(sys, 'argv', self.var['sys_arg_cmd'] + ['--port'] + ['58900'] + ['--username'] +
                    [username] + ['--password'] + [password] + ['status'])
         fd = StringFileDescriptor(sys.stdout)
diff --git a/deluge/tests/test_web_api.py b/deluge/tests/test_web_api.py
index bc1330f90..6fb7d1008 100644
--- a/deluge/tests/test_web_api.py
+++ b/deluge/tests/test_web_api.py
@@ -91,11 +91,11 @@ class WebAPITestCase(WebServerTestBase):
 
     def test_get_host(self):
         self.assertFalse(self.deluge_web.web_api._get_host('invalid_id'))
-        conn = self.deluge_web.web_api.host_list['hosts'][0]
+        conn = list(self.deluge_web.web_api.hostlist.get_hosts_info2()[0])
         self.assertEqual(self.deluge_web.web_api._get_host(conn[0]), conn)
 
     def test_add_host(self):
-        conn = [None, '', 0, '', '']
+        conn = ['abcdef', '10.0.0.1', 0, 'user123', 'pass123']
         self.assertFalse(self.deluge_web.web_api._get_host(conn[0]))
         # Add valid host
         ret = self.deluge_web.web_api.add_host(conn[1], conn[2], conn[3], conn[4])
@@ -105,16 +105,16 @@ class WebAPITestCase(WebServerTestBase):
 
         # Add already existing host
         ret = self.deluge_web.web_api.add_host(conn[1], conn[2], conn[3], conn[4])
-        self.assertEqual(ret, (False, 'Host already in the list'))
+        self.assertEqual(ret, (False, 'Host details already in hostlist'))
 
         # Add invalid port
         conn[2] = 'bad port'
         ret = self.deluge_web.web_api.add_host(conn[1], conn[2], conn[3], conn[4])
-        self.assertEqual(ret, (False, 'Port is invalid'))
+        self.assertEqual(ret, (False, 'Invalid port. Must be an integer'))
 
     def test_remove_host(self):
         conn = ['connection_id', '', 0, '', '']
-        self.deluge_web.web_api.host_list['hosts'].append(conn)
+        self.deluge_web.web_api.hostlist.config['hosts'].append(conn)
         self.assertEqual(self.deluge_web.web_api._get_host(conn[0]), conn)
         # Remove valid host
         self.assertTrue(self.deluge_web.web_api.remove_host(conn[0]))
diff --git a/deluge/ui/client.py b/deluge/ui/client.py
index a494de576..564bf625d 100644
--- a/deluge/ui/client.py
+++ b/deluge/ui/client.py
@@ -21,7 +21,7 @@ import deluge.common
 from deluge import error
 from deluge.decorators import deprecated
 from deluge.transfer import DelugeTransferProtocol
-from deluge.ui.common import get_localhost_auth
+from deluge.ui.hostlist import get_localhost_auth
 
 RPC_RESPONSE = 1
 RPC_ERROR = 2
diff --git a/deluge/ui/common.py b/deluge/ui/common.py
index ef7dda9af..c66e8eb27 100644
--- a/deluge/ui/common.py
+++ b/deluge/ui/common.py
@@ -15,10 +15,8 @@ from __future__ import unicode_literals
 
 import logging
 import os
-import time
 from hashlib import sha1 as sha
 
-import deluge.configmanager
 from deluge import bencode
 from deluge.common import decode_bytes
 
@@ -163,12 +161,6 @@ FILE_PRIORITY = {
 
 del _
 
-DEFAULT_HOST = '127.0.0.1'
-DEFAULT_PORT = 58846
-DEFAULT_HOSTS = {
-    'hosts': [(sha(str(time.time()).encode('utf8')).hexdigest(), DEFAULT_HOST, DEFAULT_PORT, '', '')]
-}
-
 # The keys from session statistics for cache status.
 DISK_CACHE_KEYS = [
     'disk.num_blocks_read', 'disk.num_blocks_written', 'disk.num_read_ops', 'disk.num_write_ops',
@@ -533,36 +525,3 @@ class FileTree(object):
             lines.append('  ' * depth + path)
         self.walk(write)
         return '\n'.join(lines)
-
-
-def get_localhost_auth():
-    """
-    Grabs the localclient auth line from the 'auth' file and creates a localhost uri
-
-    :returns: with the username and password to login as
-    :rtype: tuple
-    """
-    auth_file = deluge.configmanager.get_config_dir('auth')
-    if not os.path.exists(auth_file):
-        from deluge.common import create_localclient_account
-        create_localclient_account()
-
-    with open(auth_file) as auth:
-        for line in auth:
-            line = line.strip()
-            if line.startswith('#') or not line:
-                # This is a comment or blank line
-                continue
-
-            lsplit = line.split(':')
-
-            if len(lsplit) == 2:
-                username, password = lsplit
-            elif len(lsplit) == 3:
-                username, password, level = lsplit
-            else:
-                log.error('Your auth file is malformed: Incorrect number of fields!')
-                continue
-
-            if username == 'localclient':
-                return (username, password)
diff --git a/deluge/ui/console/modes/connectionmanager.py b/deluge/ui/console/modes/connectionmanager.py
index 359e8407b..705279f8b 100644
--- a/deluge/ui/console/modes/connectionmanager.py
+++ b/deluge/ui/console/modes/connectionmanager.py
@@ -9,17 +9,14 @@
 
 from __future__ import unicode_literals
 
-import hashlib
 import logging
-import time
 
 import deluge.component as component
-from deluge.configmanager import ConfigManager
 from deluge.decorators import overrides
-from deluge.ui import common as uicommon
 from deluge.ui.client import Client, client
 from deluge.ui.console.modes.basemode import BaseMode
 from deluge.ui.console.widgets.popup import InputPopup, PopupsHandler, SelectablePopup
+from deluge.ui.hostlist import HostList
 
 try:
     import curses
@@ -35,7 +32,7 @@ class ConnectionManager(BaseMode, PopupsHandler):
         PopupsHandler.__init__(self)
         self.statuses = {}
         self.all_torrents = None
-        self.config = ConfigManager('hostlist.conf.1.2', uicommon.DEFAULT_HOSTS)
+        self.hostlist = HostList()
         self.update_hosts_status()
         BaseMode.__init__(self, stdscr, encoding=encoding)
         self.update_select_host_popup()
@@ -47,18 +44,19 @@ class ConnectionManager(BaseMode, PopupsHandler):
 
         popup = SelectablePopup(self, _('Select Host'), self._host_selected, border_off_west=1, active_wrap=True)
         popup.add_header("{!white,black,bold!}'Q'=%s, 'a'=%s, 'D'=%s" %
-                         (_('quit'), _('add new host'), _('delete host')),
+                         (_('Quit'), _('Add New Host'), _('Delete Host')),
                          space_below=True)
         self.push_popup(popup, clear=True)
 
-        for host in self.config['hosts']:
-            args = {'data': host[0], 'foreground': 'red'}
+        for host_entry in self.hostlist.get_host_info():
+            host_id, hostname, port, user = host_entry
+            args = {'data': host_id, 'foreground': 'red'}
             state = 'Offline'
-            if host[0] in self.statuses:
+            if host_id in self.statuses:
                 state = 'Online'
-                args.update({'data': self.statuses[host[0]], 'foreground': 'green'})
-            host_str = '%s:%d [%s]' % (host[1], host[2], state)
-            self.popup.add_line(host[0], host_str, selectable=True, use_underline=True, **args)
+                args.update({'data': self.statuses[host_id], 'foreground': 'green'})
+            host_str = '%s:%d [%s]' % (hostname, port, state)
+            self.popup.add_line(host_id, host_str, selectable=True, use_underline=True, **args)
 
         if selected_index is not None:
             self.popup.set_selection(selected_index)
@@ -87,16 +85,13 @@ class ConnectionManager(BaseMode, PopupsHandler):
                 del self.statuses[host_id]
                 self.update_select_host_popup()
 
-        for host in self.config['hosts']:
+        for host_entry in self.hostlist.get_hosts_info2():
             c = Client()
-            hadr = host[1]
-            port = host[2]
-            user = host[3]
-            password = host[4]
-            log.debug('connect: hadr=%s, port=%s, user=%s, password=%s', hadr, port, user, password)
-            d = c.connect(hadr, port, user, password)
-            d.addCallback(on_connect, c, host[0])
-            d.addErrback(on_connect_failed, host[0])
+            host_id, host, port, user, password = host_entry
+            log.debug('Connect: host=%s, port=%s, user=%s, pass=%s', host, port, user, password)
+            d = c.connect(host, port, user, password)
+            d.addCallback(on_connect, c, host_id)
+            d.addErrback(on_connect_failed, host_id)
 
     def _on_connected(self, result):
         d = component.get('ConsoleUI').start_console()
@@ -112,57 +107,46 @@ class ConnectionManager(BaseMode, PopupsHandler):
             log.exception(result)
 
     def _host_selected(self, selected_host, *args, **kwargs):
-        if selected_host not in self.statuses:
-            return
-        for host in self.config['hosts']:
-            if host[0] == selected_host:
-                d = client.connect(host[1], host[2], host[3], host[4])
-                d.addCallback(self._on_connected)
-                d.addErrback(self._on_connect_fail)
-                return
-        return False
+        if selected_host in self.statuses:
+            for host_entry in self.hostlist.get_hosts_info():
+                if host_entry[0] == selected_host:
+                    __, host, port, user, password = host_entry
+                    d = client.connect(host, port, user, password)
+                    d.addCallback(self._on_connected)
+                    d.addErrback(self._on_connect_fail)
 
     def _do_add(self, result, **kwargs):
         if not result or kwargs.get('close', False):
             self.pop_popup()
-            return
-        hostname = result['hostname']['value']
-        try:
-            port = int(result['port']['value'])
-        except ValueError:
-            self.report_message('Cannot add host', 'Invalid port.  Must be an integer')
-            return
-        username = result['username']['value']
-        password = result['password']['value']
-        for host in self.config['hosts']:
-            if (host[1], host[2], host[3]) == (hostname, port, username):
-                self.report_message('Cannot add host', 'Host already in list')
-                return
-        newid = hashlib.sha1(str(time.time())).hexdigest()
-        self.config['hosts'].append((newid, hostname, port, username, password))
-        self.config.save()
-        self.update_select_host_popup()
+        else:
+            self.add_host(result['hostname']['value'], result['port']['value'],
+                          result['username']['value'], result['password']['value'])
 
     def add_popup(self):
         self.inlist = False
-        popup = InputPopup(self, 'Add Host (up & down arrows to navigate, esc to cancel)',
+        popup = InputPopup(self, _('Add Host (Up & Down arrows to navigate, Esc to cancel)'),
                            border_off_north=1, border_off_east=1,
                            close_cb=self._do_add)
-        popup.add_text_input('hostname', '%s:' % _('Hostname'))
-        popup.add_text_input('port', '%s:' % _('Port'))
-        popup.add_text_input('username', '%s:' % _('Username'))
-        popup.add_text_input('password', '%s:' % _('Password'))
+        popup.add_text_input('hostname', _('Hostname:'))
+        popup.add_text_input('port', _('Port:'))
+        popup.add_text_input('username', _('Username:'))
+        popup.add_text_input('password', _('Password:'))
         self.push_popup(popup, clear=True)
         self.refresh()
 
-    def delete_current_host(self):
-        idx, data = self.popup.current_selection()
-        log.debug('deleting host: %s', data)
-        for host in self.config['hosts']:
-            if host[0] == data:
-                self.config['hosts'].remove(host)
-                break
-        self.config.save()
+    def add_host(self, hostname, port, username, password):
+        try:
+            self.hostlist.add_host(hostname, port, username, password)
+        except ValueError as ex:
+            self.report_message(_('Error adding host'), '%s' % ex)
+            return
+        else:
+            self.update_select_host_popup()
+
+    def delete_host(self, host_id):
+        log.debug('deleting host: %s', host_id)
+        self.hostlist.remove_host(host_id)
+        self.update_select_host_popup()
 
     @overrides(component.Component)
     def start(self):
@@ -224,8 +208,8 @@ class ConnectionManager(BaseMode, PopupsHandler):
                     reactor.stop()
                 return
             if chr(c) == 'D' and self.inlist:
-                self.delete_current_host()
-                self.update_select_host_popup()
+                host_id = self.popup.current_selection()[1]
+                self.delete_host(host_id)
                 return
             if chr(c) == 'a' and self.inlist:
                 self.add_popup()
diff --git a/deluge/ui/gtkui/connectionmanager.py b/deluge/ui/gtkui/connectionmanager.py
index 095816f30..fd420b510 100644
--- a/deluge/ui/gtkui/connectionmanager.py
+++ b/deluge/ui/gtkui/connectionmanager.py
@@ -9,10 +9,8 @@
 
 from __future__ import unicode_literals
 
-import hashlib
 import logging
 import os
-import time
 from socket import gaierror, gethostbyname
 
 import gtk
@@ -23,9 +21,9 @@ from deluge.common import resource_filename
 from deluge.configmanager import ConfigManager, get_config_dir
 from deluge.error import AuthenticationRequired, BadLoginError, IncompatibleClient
 from deluge.ui.client import Client, client
-from deluge.ui.common import get_localhost_auth
 from deluge.ui.gtkui.common import get_clipboard_text, get_deluge_icon, get_logo
 from deluge.ui.gtkui.dialogs import AuthenticationDialog, ErrorDialog
+from deluge.ui.hostlist import DEFAULT_PORT, HostList
 
 try:
     from urllib.parse import urlparse
@@ -35,17 +33,15 @@ except ImportError:
 
 log = logging.getLogger(__name__)
 
-DEFAULT_HOST = '127.0.0.1'
-DEFAULT_PORT = 58846
-
 HOSTLIST_COL_ID = 0
 HOSTLIST_COL_HOST = 1
 HOSTLIST_COL_PORT = 2
-HOSTLIST_COL_STATUS = 3
-HOSTLIST_COL_USER = 4
-HOSTLIST_COL_PASS = 5
+HOSTLIST_COL_USER = 3
+HOSTLIST_COL_PASS = 4
+HOSTLIST_COL_STATUS = 5
 HOSTLIST_COL_VERSION = 6
 
+LOCALHOST = ('127.0.0.1', 'localhost')
 
 HOSTLIST_PIXBUFS = [
     # This is populated in ConnectionManager.show
@@ -68,6 +64,7 @@ def cell_render_host(column, cell, model, row, data):
 
 def cell_render_status(column, cell, model, row, data):
     status = model[row][data]
+    status = status if status else 'Offline'
     pixbuf = None
     if status in HOSTLIST_STATUS:
         pixbuf = HOSTLIST_PIXBUFS[HOSTLIST_STATUS.index(status)]
@@ -79,7 +76,7 @@ class ConnectionManager(component.Component):
     def __init__(self):
         component.Component.__init__(self, 'ConnectionManager')
         self.gtkui_config = ConfigManager('gtkui.conf')
-        self.config = self.__load_config()
+
         self.running = False
 
     # Component overrides
@@ -94,53 +91,27 @@ class ConnectionManager(component.Component):
     def shutdown(self):
         pass
 
-    def __load_config(self):
-        auth_file = get_config_dir('auth')
-        if not os.path.exists(auth_file):
-            from deluge.common import create_localclient_account
-            create_localclient_account()
-
-        localclient_username, localclient_password = get_localhost_auth()
-        default_config = {
-            'hosts': [(
-                hashlib.sha1(str(time.time())).hexdigest(),
-                DEFAULT_HOST,
-                DEFAULT_PORT,
-                localclient_username,
-                localclient_password
-            )]
-        }
-        config = ConfigManager('hostlist.conf.1.2', defaults=default_config, file_version=2)
-        config.run_converter((0, 1), 2, self.__migrate_config_1_to_2)
-        return config
-
     # Public methods
     def show(self):
         """
         Show the ConnectionManager dialog.
         """
-        self.config = self.__load_config()
         # Get the gtk builder file for the connection manager
         self.builder = gtk.Builder()
         # The main dialog
         self.builder.add_from_file(resource_filename(
-            'deluge.ui.gtkui', os.path.join('glade', 'connection_manager.ui')
-        ))
+            'deluge.ui.gtkui', os.path.join('glade', 'connection_manager.ui')))
         # The add host dialog
         self.builder.add_from_file(resource_filename(
-            'deluge.ui.gtkui', os.path.join('glade', 'connection_manager.addhost.ui')
-        ))
+            'deluge.ui.gtkui', os.path.join('glade', 'connection_manager.addhost.ui')))
         # The ask password dialog
         self.builder.add_from_file(resource_filename(
-            'deluge.ui.gtkui', os.path.join('glade', 'connection_manager.askpassword.ui')
-        ))
+            'deluge.ui.gtkui', os.path.join('glade', 'connection_manager.askpassword.ui')))
 
         # Setup the ConnectionManager dialog
         self.connection_manager = self.builder.get_object('connection_manager')
         self.connection_manager.set_transient_for(component.get('MainWindow').window)
-
         self.connection_manager.set_icon(get_deluge_icon())
-
         self.builder.get_object('image1').set_from_pixbuf(get_logo(32))
 
         self.askpassword_dialog = self.builder.get_object('askpassword_dialog')
@@ -148,6 +119,7 @@ class ConnectionManager(component.Component):
         self.askpassword_dialog.set_icon(get_deluge_icon())
         self.askpassword_dialog_entry = self.builder.get_object('askpassword_dialog_entry')
 
+        self.hostlist_config = HostList()
         self.hostlist = self.builder.get_object('hostlist')
 
         # Create status pixbufs
@@ -160,18 +132,19 @@ class ConnectionManager(component.Component):
                 )
 
         # Create the host list gtkliststore
-        # id-hash, hostname, port, status, username, password, version
+        # id-hash, hostname, port, username, password, status, version
         self.liststore = gtk.ListStore(str, str, int, str, str, str, str)
 
         # Setup host list treeview
         self.hostlist.set_model(self.liststore)
         render = gtk.CellRendererPixbuf()
         column = gtk.TreeViewColumn(_('Status'), render)
-        column.set_cell_data_func(render, cell_render_status, 3)
+        column.set_cell_data_func(render, cell_render_status, HOSTLIST_COL_STATUS)
         self.hostlist.append_column(column)
         render = gtk.CellRendererText()
         column = gtk.TreeViewColumn(_('Host'), render, text=HOSTLIST_COL_HOST)
-        column.set_cell_data_func(render, cell_render_host, (1, 2, 4))
+        column.set_cell_data_func(
+            render, cell_render_host, (HOSTLIST_COL_HOST, HOSTLIST_COL_PORT, HOSTLIST_COL_USER))
         column.set_expand(True)
         self.hostlist.append_column(column)
         render = gtk.CellRendererText()
@@ -202,7 +175,6 @@ class ConnectionManager(component.Component):
 
         # Save the toggle options
         self.__save_options()
-        self.__save_hostlist()
 
         self.connection_manager.destroy()
         del self.builder
@@ -210,42 +182,6 @@ class ConnectionManager(component.Component):
         del self.liststore
         del self.hostlist
 
-    def add_host(self, host, port, username='', password=''):
-        """
-        Adds a host to the list.
-
-        :param host: str, the hostname
-        :param port: int, the port
-        :param username: str, the username to login as
-        :param password: str, the password to login with
-
-        """
-        # Check to see if there is already an entry for this host and return
-        # if thats the case
-        for entry in self.liststore:
-            if [entry[HOSTLIST_COL_HOST], entry[HOSTLIST_COL_PORT], entry[HOSTLIST_COL_USER]] == [host, port, username]:
-                raise ValueError('Host already in list!')
-
-        try:
-            gethostbyname(host)
-        except gaierror as ex:
-            raise ValueError("Host '%s': %s" % (host, ex.args[1]))
-
-        # Host isn't in the list, so lets add it
-        row = self.liststore.append()
-        self.liststore[row][HOSTLIST_COL_ID] = hashlib.sha1(str(time.time())).hexdigest()
-        self.liststore[row][HOSTLIST_COL_HOST] = host
-        self.liststore[row][HOSTLIST_COL_PORT] = port
-        self.liststore[row][HOSTLIST_COL_USER] = username
-        self.liststore[row][HOSTLIST_COL_PASS] = password
-        self.liststore[row][HOSTLIST_COL_STATUS] = 'Offline'
-
-        # Save the host list to file
-        self.__save_hostlist()
-
-        # Update the status of the hosts
-        self.__update_list()
-
     def on_entry_host_paste_clipboard(self, widget):
         text = get_clipboard_text()
         log.debug('on_entry_proxy_host_paste-clipboard: got paste: %s', text)
@@ -261,39 +197,21 @@ class ConnectionManager(component.Component):
         if parsed.password:
             self.builder.get_object('entry_password').set_text(parsed.password)
 
-    # Private methods
-    def __save_hostlist(self):
-        """
-        Save the current hostlist to the config file.
-        """
-        # Grab the hosts from the liststore
-        self.config['hosts'] = []
-        for row in self.liststore:
-            self.config['hosts'].append((row[HOSTLIST_COL_ID],
-                                         row[HOSTLIST_COL_HOST],
-                                         row[HOSTLIST_COL_PORT],
-                                         row[HOSTLIST_COL_USER],
-                                         row[HOSTLIST_COL_PASS]))
-
-        self.config.save()
-
     def __load_hostlist(self):
-        """
-        Load saved host entries
-        """
-        for host in self.config['hosts']:
-            new_row = self.liststore.append()
-            self.liststore[new_row][HOSTLIST_COL_ID] = host[0]
-            self.liststore[new_row][HOSTLIST_COL_HOST] = host[1]
-            self.liststore[new_row][HOSTLIST_COL_PORT] = host[2]
-            self.liststore[new_row][HOSTLIST_COL_USER] = host[3]
-            self.liststore[new_row][HOSTLIST_COL_PASS] = host[4]
-            self.liststore[new_row][HOSTLIST_COL_STATUS] = 'Offline'
-            self.liststore[new_row][HOSTLIST_COL_VERSION] = ''
+        """Load saved host entries"""
+        status = version = ''
+        for host_entry in self.hostlist_config.get_hosts_info2():
+            host_id, host, port, username, password = host_entry
+            self.liststore.append([host_id, host, port, username, password, status, version])
 
     def __get_host_row(self, host_id):
-        """
-        Returns the row in the liststore for `:param:host_id` or None
+        """Get the row in the liststore for the host_id.
+
+        Args:
+            host_id (str): The host id.
+
+        Returns:
+            list: The listsrore row with host details.
 
         """
         for row in self.liststore:
@@ -352,14 +270,11 @@ class ConnectionManager(component.Component):
             try:
                 ip = gethostbyname(host)
             except gaierror as ex:
-                log.error('Error resolving host %s to ip: %s', row[HOSTLIST_COL_HOST], ex.args[1])
+                log.error('Error resolving host %s to ip: %s', host, ex.args[1])
                 continue
 
-            if client.connected() and (
-                    ip,
-                    port,
-                    'localclient' if not user and host in ('127.0.0.1', 'localhost') else user
-            ) == client.connection_info():
+            host_info = (ip, port, 'localclient' if not user and host in LOCALHOST else user)
+            if client.connected() and host_info == client.connection_info():
                 def on_info(info, row):
                     if not self.running:
                         return
@@ -383,14 +298,11 @@ class ConnectionManager(component.Component):
         Set the widgets to show the correct options from the config.
         """
         self.builder.get_object('chk_autoconnect').set_active(
-            self.gtkui_config['autoconnect']
-        )
+            self.gtkui_config['autoconnect'])
         self.builder.get_object('chk_autostart').set_active(
-            self.gtkui_config['autostart_localhost']
-        )
+            self.gtkui_config['autostart_localhost'])
         self.builder.get_object('chk_donotshow').set_active(
-            not self.gtkui_config['show_connection_manager_on_start']
-        )
+            not self.gtkui_config['show_connection_manager_on_start'])
 
     def __save_options(self):
         """
@@ -402,17 +314,15 @@ class ConnectionManager(component.Component):
             'chk_donotshow').get_active()
 
     def __update_buttons(self):
-        """
-        Updates the buttons states.
-        """
+        """Updates the buttons states."""
         if len(self.liststore) == 0:
             # There is nothing in the list
-            self.builder.get_object('button_startdaemon').set_sensitive(True)
+            self.builder.get_object('button_startdaemon').set_sensitive(False)
             self.builder.get_object('button_connect').set_sensitive(False)
             self.builder.get_object('button_removehost').set_sensitive(False)
             self.builder.get_object('image_startdaemon').set_from_stock(
                 gtk.STOCK_EXECUTE, gtk.ICON_SIZE_MENU)
-            self.builder.get_object('label_startdaemon').set_text('_Start Daemon')
+            self.builder.get_object('label_startdaemon').set_text_with_mnemonic('_Start Daemon')
 
         model, row = self.hostlist.get_selection().get_selected()
         if not row:
@@ -420,24 +330,22 @@ class ConnectionManager(component.Component):
             return
 
         self.builder.get_object('button_edithost').set_sensitive(True)
+        self.builder.get_object('button_startdaemon').set_sensitive(True)
+        self.builder.get_object('button_connect').set_sensitive(True)
+        self.builder.get_object('button_removehost').set_sensitive(True)
 
         # Get some values about the selected host
-        status = model[row][HOSTLIST_COL_STATUS]
-        host = model[row][HOSTLIST_COL_HOST]
-        port = model[row][HOSTLIST_COL_PORT]
-        user = model[row][HOSTLIST_COL_USER]
-        passwd = model[row][HOSTLIST_COL_PASS]
+        __, host, port, user, password, status, __ = model[row]
+
+        try:
+            ip = gethostbyname(host)
+        except gaierror as ex:
+            log.error('Error resolving host %s to ip: %s', row[HOSTLIST_COL_HOST], ex.args[1])
+            return
 
         log.debug('Status: %s', status)
         # Check to see if we have a localhost entry selected
-        localhost = False
-        if host in ('127.0.0.1', 'localhost'):
-            localhost = True
-
-        # Make sure buttons are sensitive at start
-        self.builder.get_object('button_startdaemon').set_sensitive(True)
-        self.builder.get_object('button_connect').set_sensitive(True)
-        self.builder.get_object('button_removehost').set_sensitive(True)
+        localhost = host in LOCALHOST
 
         # See if this is the currently connected host
         if status == 'Connected':
@@ -453,30 +361,25 @@ class ConnectionManager(component.Component):
         if status == 'Connected' or status == 'Online':
             self.builder.get_object('image_startdaemon').set_from_stock(
                 gtk.STOCK_STOP, gtk.ICON_SIZE_MENU)
-            self.builder.get_object('label_startdaemon').set_text(
-                _('_Stop Daemon'))
+            self.builder.get_object('label_startdaemon').set_text_with_mnemonic(_('_Stop Daemon'))
 
         # Update the start daemon button if the selected host is localhost
         if localhost and status == 'Offline':
             # The localhost is not online
             self.builder.get_object('image_startdaemon').set_from_stock(
                 gtk.STOCK_EXECUTE, gtk.ICON_SIZE_MENU)
-            self.builder.get_object('label_startdaemon').set_text(
-                _('_Start Daemon'))
+            self.builder.get_object('label_startdaemon').set_text_with_mnemonic(_('_Start Daemon'))
 
-        if client.connected() and (host, port, user) == client.connection_info():
+        if client.connected() and (ip, port, user) == client.connection_info():
             # If we're connected, we can stop the dameon
             self.builder.get_object('button_startdaemon').set_sensitive(True)
-        elif user and passwd:
+        elif user and password:
             # In this case we also have all the info to shutdown the daemon
             self.builder.get_object('button_startdaemon').set_sensitive(True)
         else:
             # Can't stop non localhost daemons, specially without the necessary info
             self.builder.get_object('button_startdaemon').set_sensitive(False)
 
-        # Make sure label is displayed correctly using mnemonics
-        self.builder.get_object('label_startdaemon').set_use_underline(True)
-
     def start_daemon(self, port, config):
         """
         Attempts to start a daemon process and will show an ErrorDialog if unable
@@ -530,7 +433,7 @@ class ConnectionManager(component.Component):
             self.connection_manager.response(gtk.RESPONSE_OK)
         component.start()
 
-    def __on_connected_failed(self, reason, host_id, host, port, user, passwd,
+    def __on_connected_failed(self, reason, host_id, host, port, user, password,
                               try_counter):
         log.debug('Failed to connect: %s', reason.value)
 
@@ -552,9 +455,8 @@ class ConnectionManager(component.Component):
         if try_counter:
             log.info('Retrying connection.. Retries left: %s', try_counter)
             return reactor.callLater(
-                0.5, self.__connect, host_id, host, port, user, passwd,
-                try_counter=try_counter - 1
-            )
+                0.5, self.__connect, host_id, host, port, user, password,
+                try_counter=try_counter - 1)
 
         msg = str(reason.value)
         if not self.builder.get_object('chk_autostart').get_active():
@@ -566,28 +468,26 @@ class ConnectionManager(component.Component):
         model, row = self.hostlist.get_selection().get_selected()
         if not row:
             return
+
         status = model[row][HOSTLIST_COL_STATUS]
+
+        # If status is connected then connect button disconnects instead.
         if status == 'Connected':
             def on_disconnect(reason):
                 self.__update_list()
             client.disconnect().addCallback(on_disconnect)
             return
 
-        host_id = model[row][HOSTLIST_COL_ID]
-        host = model[row][HOSTLIST_COL_HOST]
-        port = model[row][HOSTLIST_COL_PORT]
-        user = model[row][HOSTLIST_COL_USER]
-        password = model[row][HOSTLIST_COL_PASS]
-
-        if (status == 'Offline' and self.builder.get_object('chk_autostart').get_active() and
-                host in ('127.0.0.1', 'localhost')):
+        host_id, host, port, user, password, __, __ = model[row]
+        try_counter = 0
+        auto_start = self.builder.get_object('chk_autostart').get_active()
+        if status == 'Offline' and auto_start and host in LOCALHOST:
             if not self.start_daemon(port, get_config_dir()):
                 log.debug('Failed to auto-start daemon')
                 return
-            return self.__connect(
-                host_id, host, port, user, password, try_counter=6
-            )
-        return self.__connect(host_id, host, port, user, password)
+            try_counter = 6
+
+        return self.__connect(host_id, host, port, user, password, try_counter=try_counter)
 
     def on_button_close_clicked(self, widget):
         self.connection_manager.response(gtk.RESPONSE_CLOSE)
@@ -610,25 +510,30 @@ class ConnectionManager(component.Component):
             username = username_entry.get_text()
             password = password_entry.get_text()
             hostname = hostname_entry.get_text()
-
-            if (not password and not username or username == 'localclient') and hostname in ['127.0.0.1', 'localhost']:
-                username, password = get_localhost_auth()
+            port = port_spinbutton.get_value_as_int()
 
             try:
-                self.add_host(hostname, port_spinbutton.get_value_as_int(), username, password)
+                host_id = self.hostlist_config.add_host(hostname, port, username, password)
             except ValueError as ex:
-                ErrorDialog(_('Error Adding Host'), ex).run()
+                ErrorDialog(_('Error Adding Host'), ex, parent=dialog).run()
+            else:
+                self.liststore.append([host_id, hostname, port, username, password, 'Offline', ''])
+
+        # Update the status of the hosts
+        self.__update_list()
 
         username_entry.set_text('')
         password_entry.set_text('')
         hostname_entry.set_text('')
-        port_spinbutton.set_value(58846)
+        port_spinbutton.set_value(DEFAULT_PORT)
         dialog.hide()
 
     def on_button_edithost_clicked(self, widget=None):
         log.debug('on_button_edithost_clicked')
         model, row = self.hostlist.get_selection().get_selected()
         status = model[row][HOSTLIST_COL_STATUS]
+        host_id = model[row][HOSTLIST_COL_ID]
+
         if status == 'Connected':
             def on_disconnect(reason):
                 self.__update_list()
@@ -658,18 +563,14 @@ class ConnectionManager(component.Component):
             username = username_entry.get_text()
             password = password_entry.get_text()
             hostname = hostname_entry.get_text()
+            port = port_spinbutton.get_value_as_int()
 
-            if (not password and not username or username == 'localclient') and hostname in ['127.0.0.1', 'localhost']:
-                username, password = get_localhost_auth()
-
-            self.liststore[row][HOSTLIST_COL_HOST] = hostname
-            self.liststore[row][HOSTLIST_COL_PORT] = port_spinbutton.get_value_as_int()
-            self.liststore[row][HOSTLIST_COL_USER] = username
-            self.liststore[row][HOSTLIST_COL_PASS] = password
-            self.liststore[row][HOSTLIST_COL_STATUS] = 'Offline'
-
-        # Save the host list to file
-        self.__save_hostlist()
+            try:
+                self.hostlist_config.update_host(host_id, hostname, port, username, password)
+            except ValueError as ex:
+                ErrorDialog(_('Error Updating Host'), ex, parent=dialog).run()
+            else:
+                self.liststore[row] = host_id, hostname, port, username, password, '', ''
 
         # Update the status of the hosts
         self.__update_list()
@@ -677,44 +578,38 @@ class ConnectionManager(component.Component):
         username_entry.set_text('')
         password_entry.set_text('')
         hostname_entry.set_text('')
-        port_spinbutton.set_value(58846)
+        port_spinbutton.set_value(DEFAULT_PORT)
         dialog.hide()
 
     def on_button_removehost_clicked(self, widget):
         log.debug('on_button_removehost_clicked')
         # Get the selected rows
-        paths = self.hostlist.get_selection().get_selected_rows()[1]
-        for path in paths:
-            self.liststore.remove(self.liststore.get_iter(path))
-
+        model, row = self.hostlist.get_selection().get_selected()
+        self.hostlist_config.remove_host(model[row][HOSTLIST_COL_ID])
+        self.liststore.remove(row)
         # Update the hostlist
         self.__update_list()
 
-        # Save the host list
-        self.__save_hostlist()
-
     def on_button_startdaemon_clicked(self, widget):
         log.debug('on_button_startdaemon_clicked')
         if self.liststore.iter_n_children(None) < 1:
             # There is nothing in the list, so lets create a localhost entry
-            self.add_host(DEFAULT_HOST, DEFAULT_PORT, *get_localhost_auth())
+            try:
+                self.hostlist_config.add_default_host()
+            except ValueError as ex:
+                log.error('Error adding default host: %s', ex)
+
             # ..and start the daemon.
-            self.start_daemon(
-                DEFAULT_PORT, get_config_dir()
-            )
+            self.start_daemon(DEFAULT_PORT, get_config_dir())
             return
 
         paths = self.hostlist.get_selection().get_selected_rows()[1]
         if len(paths) < 1:
             return
 
-        status = self.liststore[paths[0]][HOSTLIST_COL_STATUS]
-        host = self.liststore[paths[0]][HOSTLIST_COL_HOST]
-        port = self.liststore[paths[0]][HOSTLIST_COL_PORT]
-        user = self.liststore[paths[0]][HOSTLIST_COL_USER]
-        password = self.liststore[paths[0]][HOSTLIST_COL_PASS]
+        __, host, port, user, password, status, __ = self.liststore[paths[0]]
 
-        if host not in ('127.0.0.1', 'localhost'):
+        if host not in LOCALHOST:
             return
 
         if status in ('Online', 'Connected'):
@@ -754,15 +649,3 @@ class ConnectionManager(component.Component):
 
     def on_askpassword_dialog_entry_activate(self, entry):
         self.askpassword_dialog.response(gtk.RESPONSE_OK)
-
-    def __migrate_config_1_to_2(self, config):
-        localclient_username, localclient_password = get_localhost_auth()
-        if not localclient_username:
-            # Nothing to do here, there's no auth file
-            return
-        for idx, (_, host, _, username, _) in enumerate(config['hosts'][:]):
-            if host in ('127.0.0.1', 'localhost'):
-                if not username:
-                    config['hosts'][idx][3] = localclient_username
-                    config['hosts'][idx][4] = localclient_password
-        return config
diff --git a/deluge/ui/hostlist.py b/deluge/ui/hostlist.py
new file mode 100644
index 000000000..5eb43889e
--- /dev/null
+++ b/deluge/ui/hostlist.py
@@ -0,0 +1,211 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) Calum Lind 2017 <calumlind+deluge@gmail.com>
+#
+# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
+# the additional special exception to link portions of this program with the OpenSSL library.
+# See LICENSE for more details.
+#
+
+"""
+The UI hostlist module contains methods useful for adding, removing and lookingup host in hostlist.conf.
+"""
+from __future__ import unicode_literals
+
+import logging
+import os
+import time
+from hashlib import sha1
+from socket import gaierror, gethostbyname
+
+from deluge.config import Config
+from deluge.configmanager import get_config_dir
+
+log = logging.getLogger(__name__)
+
+DEFAULT_HOST = '127.0.0.1'
+DEFAULT_PORT = 58846
+LOCALHOST = ('127.0.0.1', 'localhost')
+
+
+def default_hostlist():
+    """Create a new hosts for hostlist with a localhost entry"""
+    host_id = sha1(str(time.time()).encode('utf8')).hexdigest()
+    username, password = get_localhost_auth()
+    return {'hosts': [(host_id, DEFAULT_HOST, DEFAULT_PORT, username, password)]}
+
+
+def get_localhost_auth():
+        """Grabs the localclient auth line from the 'auth' file and creates a localhost uri.
+
+        Returns:
+            tuple: With the username and password to login as.
+
+        """
+        auth_file = get_config_dir('auth')
+        if not os.path.exists(auth_file):
+            from deluge.common import create_localclient_account
+            create_localclient_account()
+
+        with open(auth_file) as auth:
+            for line in auth:
+                line = line.strip()
+                if line.startswith('#') or not line:
+                    # This is a comment or blank line
+                    continue
+
+                lsplit = line.split(':')
+
+                if len(lsplit) == 2:
+                    username, password = lsplit
+                elif len(lsplit) == 3:
+                    username, password, level = lsplit
+                else:
+                    log.error('Your auth file is malformed: Incorrect number of fields!')
+                    continue
+
+                if username == 'localclient':
+                    return (username, password)
+
+
+def validate_host_info(hostname, port):
+    """Checks that hostname and port are valid.
+
+    Args:
+        hostname (str): The IP or hostname of the deluge daemon.
+        port (int): The port of the deluge daemon.
+
+    Raises:
+        ValueError: Host details are not valid with reason.
+    """
+
+    try:
+        gethostbyname(hostname)
+    except gaierror as ex:
+        raise ValueError('Host %s: %s', hostname, ex.args[1])
+
+    try:
+        int(port)
+    except ValueError:
+        raise ValueError('Invalid port. Must be an integer')
+
+
+def _migrate_config_1_to_2(config):
+        localclient_username, localclient_password = get_localhost_auth()
+        if not localclient_username:
+            # Nothing to do here, there's no auth file
+            return
+        for idx, (__, host, __, username, __) in enumerate(config['hosts'][:]):
+            if host in LOCALHOST and not username:
+                config['hosts'][idx][3] = localclient_username
+                config['hosts'][idx][4] = localclient_password
+        return config
+
+
+class HostList(object):
+    def __init__(self):
+        self.config = Config('hostlist.conf', default_hostlist(), config_dir=get_config_dir(), file_version=2)
+        self.config.run_converter((0, 1), 2, _migrate_config_1_to_2)
+        self.config.save()
+
+    def check_info_exists(self, hostname, port, username, skip_host_id=None):
+        """Check for exising host entries with the same details.
+
+        Args:
+            hostname (str): The IP or hostname of the deluge daemon.
+            port (int): The port of the deluge daemon.
+            username (str): The username to login to the daemon with.
+            skip_host_id (str): A host_id to skip to check if other hosts match details.
+
+        Raises:
+            ValueError: Host details already exist.
+
+        """
+        for host_entry in self.config['hosts']:
+            if (hostname, port, username) == (host_entry[1], host_entry[2], host_entry[3]):
+                if skip_host_id is not None and skip_host_id == host_entry[0]:
+                    continue
+                raise ValueError('Host details already in hostlist')
+
+    def add_host(self, hostname, port, username, password):
+        """Add a new host to hostlist.
+
+        Args:
+            hostname (str): The IP or hostname of the deluge daemon.
+            port (int): The port of the deluge daemon.
+            username (str): The username to login to the daemon with.
+            password (str): The password to login to the daemon with.
+
+        Returns:
+            str: The new host id.
+        """
+        if (not password and not username or username == 'localclient') and hostname in LOCALHOST:
+                username, password = get_localhost_auth()
+
+        validate_host_info(hostname, port)
+        self.check_info_exists(hostname, port, username)
+        host_id = sha1(str(time.time())).hexdigest()
+        self.config['hosts'].append((host_id, hostname, port, username, password))
+        self.config.save()
+        return host_id
+
+    def get_host_info(self, host_id):
+        """Get the host details for host_id.
+
+        Includes password details!
+
+        """
+        for host_entry in self.config['hosts']:
+            if host_entry[0] == host_id:
+                return host_entry
+        else:
+            return []
+
+    def get_hosts_info(self):
+        """Get all the hosts in the hostlist
+
+        Excluding password details.
+        """
+        return [host[0:4 + 1] for host in self.config['hosts']]
+
+    def get_hosts_info2(self):
+        """Get all the hosts in the hostlist
+
+        Excluding password details.
+        """
+        return [host for host in self.config['hosts']]
+
+    def update_host(self, host_id, hostname, port, username, password):
+        """Update the host with new details.
+
+        Args:
+            host_id (str): The host id to update.
+            hostname (str): The new IP or hostname of the deluge daemon.
+            port (int): The new port of the deluge daemon.
+            username (str): The new username to login to the daemon with.
+            password (str): The new password to login to the daemon with.
+
+        """
+        validate_host_info(hostname, port)
+        self.check_info_exists(hostname, port, username, skip_host_id=host_id)
+
+        if (not password and not username or username == 'localclient') and hostname in LOCALHOST:
+            username, password = get_localhost_auth()
+
+        for host_entry in self.config['hosts']:
+            if host_id == host_entry[0]:
+                host_entry = host_id, hostname, port, username, password
+                return True
+        return False
+
+    def remove_host(self, host_id):
+        for host_entry in self.config['hosts']:
+            if host_id == host_entry[0]:
+                self.config['hosts'].remove(host_entry)
+                self.config.save()
+                return True
+        else:
+            return False
+
+    def add_default_host(self):
+        self.add_host(DEFAULT_HOST, DEFAULT_PORT, *get_localhost_auth())
diff --git a/deluge/ui/web/auth.py b/deluge/ui/web/auth.py
index d80327f57..0a2ad0ac3 100644
--- a/deluge/ui/web/auth.py
+++ b/deluge/ui/web/auth.py
@@ -18,15 +18,9 @@ from email.utils import formatdate
 
 from twisted.internet.task import LoopingCall
 
-log = logging.getLogger(__name__)
-
+from deluge.common import AUTH_LEVEL_ADMIN, AUTH_LEVEL_NONE
 
-AUTH_LEVEL_NONE = 0
-AUTH_LEVEL_READONLY = 1
-AUTH_LEVEL_NORMAL = 5
-AUTH_LEVEL_ADMIN = 10
-
-AUTH_LEVEL_DEFAULT = AUTH_LEVEL_NORMAL
+log = logging.getLogger(__name__)
 
 
 class AuthError(Exception):
@@ -36,7 +30,7 @@ class AuthError(Exception):
     """
     pass
 
-# Import after as json_api imports the above AuthError and AUTH_LEVEL_DEFAULT
+# Import after as json_api imports the above AuthError
 from deluge.ui.web.json_api import export, JSONComponent  # NOQA, isort:skip pylint: disable=wrong-import-position
 
 
diff --git a/deluge/ui/web/json_api.py b/deluge/ui/web/json_api.py
index 72052f7da..62ccd7709 100644
--- a/deluge/ui/web/json_api.py
+++ b/deluge/ui/web/json_api.py
@@ -10,13 +10,11 @@
 from __future__ import division, unicode_literals
 
 import base64
-import hashlib
 import json
 import logging
 import os
 import shutil
 import tempfile
-import time
 from types import FunctionType
 
 from twisted.internet import defer, reactor
@@ -24,10 +22,11 @@ from twisted.internet.defer import Deferred, DeferredList
 from twisted.web import http, resource, server
 
 from deluge import common, component, httpdownloader
-from deluge.configmanager import ConfigManager, get_config_dir
-from deluge.ui import common as uicommon
+from deluge.configmanager import get_config_dir
 from deluge.ui.client import Client, client
+from deluge.ui.common import FileTree2, TorrentInfo
 from deluge.ui.coreconfig import CoreConfig
+from deluge.ui.hostlist import HostList
 from deluge.ui.sessionproxy import SessionProxy
 from deluge.ui.translations_util import get_languages
 from deluge.ui.web.common import _, compress
@@ -58,7 +57,8 @@ def export(auth_level=AUTH_LEVEL_DEFAULT):
     """
     global AUTH_LEVEL_DEFAULT, AuthError
     if AUTH_LEVEL_DEFAULT is None:
-        from deluge.ui.web.auth import AUTH_LEVEL_DEFAULT, AuthError  # NOQA pylint: disable=redefined-outer-name
+        from deluge.common import AUTH_LEVEL_DEFAULT
+        from deluge.ui.web.auth import AuthError  # NOQA pylint: disable=redefined-outer-name
 
     def wrap(func, *args, **kwargs):
         func._json_export = True
@@ -262,19 +262,6 @@ class JSON(resource.Resource, component.Component):
                 self._local_methods[name + '.' + d] = getattr(obj, d)
 
 
-HOSTLIST_ID = 0
-HOSTLIST_NAME = 1
-HOSTLIST_PORT = 2
-HOSTLIST_USER = 3
-HOSTLIST_PASS = 4
-
-HOSTS_ID = HOSTLIST_ID
-HOSTS_NAME = HOSTLIST_NAME
-HOSTS_PORT = HOSTLIST_PORT
-HOSTS_USER = HOSTLIST_USER
-HOSTS_STATUS = 3
-HOSTS_INFO = 4
-
 FILES_KEYS = ['files', 'file_progress', 'file_priorities']
 
 
@@ -370,9 +357,7 @@ class WebApi(JSONComponent):
 
     def __init__(self):
         super(WebApi, self).__init__('Web', depend=['SessionProxy'])
-        self.host_list = ConfigManager('hostlist.conf.1.2', uicommon.DEFAULT_HOSTS)
-        if not os.path.isfile(self.host_list.config_file):
-            self.host_list.save()
+        self.hostlist = HostList()
         self.core_config = CoreConfig()
         self.event_queue = EventQueue()
         try:
@@ -410,23 +395,6 @@ class WebApi(JSONComponent):
         component.get('Web.PluginManager').stop()
         return self.stop()
 
-    def _get_host(self, host_id):
-        """Information about a host from supplied host id.
-
-        Args:
-            host_id (str): The id of the host.
-
-        Returns:
-            list: The host information, empty list if not found.
-
-        """
-        host_info = []
-        for host_entry in self.host_list['hosts']:
-            if host_entry[0] == host_id:
-                host_info = host_entry
-                break
-        return host_info
-
     def start(self):
         self.core_config.start()
         return self.sessionproxy.start()
@@ -611,7 +579,7 @@ class WebApi(JSONComponent):
                 item.update(info[path])
                 return item
 
-        file_tree = uicommon.FileTree2(paths)
+        file_tree = FileTree2(paths)
         file_tree.walk(walk)
         d.callback(file_tree.get_tree())
 
@@ -685,7 +653,7 @@ class WebApi(JSONComponent):
         :rtype: dictionary
         """
         try:
-            torrent_info = uicommon.TorrentInfo(filename.strip(), 2)
+            torrent_info = TorrentInfo(filename.strip(), 2)
             return torrent_info.as_dict('name', 'info_hash', 'files_tree')
         except Exception as ex:
             log.error(ex)
@@ -730,13 +698,25 @@ class WebApi(JSONComponent):
                 deferreds.append(d)
         return DeferredList(deferreds, consumeErrors=False)
 
+    def _get_host(self, host_id):
+        """Information about a host from supplied host id.
+
+        Args:
+            host_id (str): The id of the host.
+
+        Returns:
+            list: The host information, empty list if not found.
+
+        """
+        return list(self.hostlist.get_host_info(host_id))
+
     @export
     def get_hosts(self):
         """
         Return the hosts in the hostlist.
         """
         log.debug('get_hosts called')
-        return [(tuple(host[HOSTS_ID:HOSTS_USER + 1]) + ('Offline',)) for host in self.host_list['hosts']]
+        return self.hostlist.get_hosts() + ['']
 
     @export
     def get_host_status(self, host_id):
@@ -787,6 +767,39 @@ class WebApi(JSONComponent):
             return d
 
     @export
+    def add_host(self, host, port, username='', password=''):
+        """Adds a host to the list.
+
+        Args:
+            host (str): The IP or hostname of the deluge daemon.
+            port (int): The port of the deluge daemon.
+            username (str): The username to login to the daemon with.
+            password (str): The password to login to the daemon with.
+
+        Returns:
+            tuple: A tuple of (bool, str). If True will contain the host_id, otherwise
+                if False will contain the error message.
+        """
+        try:
+            host_id = self.hostlist.add_host(host, port, username, password)
+        except ValueError as ex:
+            return False, str(ex)
+        else:
+            return True, host_id
+
+    @export
+    def remove_host(self, host_id):
+        """Removes a host from the list.
+
+        Args:
+            host_id (str): The host identifying hash.
+
+        Returns:
+            bool: True if succesful, False otherwise.
+        """
+        return self.hostlist.remove_host(host_id)
+
+    @export
     def start_daemon(self, port):
         """
         Starts a local daemon.
@@ -828,55 +841,6 @@ class WebApi(JSONComponent):
         return main_deferred
 
     @export
-    def add_host(self, host, port, username='', password=''):
-        """
-        Adds a host to the list.
-
-        :param host: the hostname
-        :type host: string
-        :param port: the port
-        :type port: int
-        :param username: the username to login as
-        :type username: string
-        :param password: the password to login with
-        :type password: string
-
-        """
-        # Check to see if there is already an entry for this host and return
-        # if thats the case
-        for entry in self.host_list['hosts']:
-            if (entry[1], entry[2], entry[3]) == (host, port, username):
-                return (False, 'Host already in the list')
-
-        try:
-            port = int(port)
-        except ValueError:
-            return (False, 'Port is invalid')
-
-        # Host isn't in the list, so lets add it
-        connection_id = hashlib.sha1(str(time.time())).hexdigest()
-        self.host_list['hosts'].append([connection_id, host, port, username,
-                                        password])
-        self.host_list.save()
-        return True, connection_id
-
-    @export
-    def remove_host(self, connection_id):
-        """
-        Removes a host for the list
-
-        :param host_id: the hash id of the host
-        :type host_id: string
-        """
-        host = self._get_host(connection_id)
-        if not host:
-            return False
-
-        self.host_list['hosts'].remove(host)
-        self.host_list.save()
-        return True
-
-    @export
     def get_config(self):
         """
         Get the configuration dictionary for the web interface.