Fix using multiple hostnames with config General/Interface/"Allowed browser hostnames"

Add config General/Interface/"Allow IP use for connections". The option is enabled by default and does not change existing behaviour to allow a browser to connect to an instance using server IP address.
Change add WrongHostWebHandler to handle a bad hostname request with a 404 response.
Fix Shazbat torrent provider backlog issue.

CHANGES.md

@@ -1,4 +1,12 @@
-### 0.20.11 (2019-11-30 02:45:00 UTC)
+### 0.20.12 (2019-12-09 16:30:00 UTC)
+
+* Fix using multiple hostnames with config General/Interface/"Allowed browser hostnames"
+* Add config General/Interface/"Allow IP use for connections"
+* Change add WrongHostWebHandler to handle a bad hostname request with a 404 response
+* Fix Shazbat torrent provider backlog issue
+
+
+### 0.20.11 (2019-11-30 02:45:00 UTC)
 
 * Remove redundant tvdb_api v1
 * Change update Emby api

gui/slick/interfaces/default/config_general.tmpl

@@ -605,6 +605,16 @@
 						</div>
 
 						<div class="field-pair">
+							<label for="allow_anyip">
+								<span class="component-title">Allow IP use for connections</span>
+								<span class="component-desc">
+									<input type="checkbox" name="allow_anyip""#echo ('', $checked)[$sg_var('ALLOW_ANYIP')]#>
+									<p>disable to only accept "Allowed browser hostnames" for connections</p>
+								</span>
+							</label>
+						</div>
+
+						<div class="field-pair">
 							<label for="allowed_hosts">
 								<span class="component-title">Allowed browser hostnames</span>
 								<span class="component-desc">

sickbeard/__init__.py

@@ -138,6 +138,7 @@ WEB_IPV64 = 0
 HANDLE_REVERSE_PROXY = False
 SEND_SECURITY_HEADERS = True
 ALLOWED_HOSTS = None
+ALLOW_ANYIP = True
 PROXY_SETTING = None
 PROXY_INDEXERS = True
 
@@ -621,7 +622,7 @@ def init_stage_1(console_logging):
         DATE_PRESET, TIME_PRESET, TIME_PRESET_W_SECONDS, TIMEZONE_DISPLAY, \
         WEB_USERNAME, WEB_PASSWORD, CALENDAR_UNPROTECTED, USE_API, API_KEY, WEB_PORT, WEB_LOG, \
         ENABLE_HTTPS, HTTPS_CERT, HTTPS_KEY, WEB_IPV6, WEB_IPV64, HANDLE_REVERSE_PROXY, \
-        SEND_SECURITY_HEADERS, ALLOWED_HOSTS
+        SEND_SECURITY_HEADERS, ALLOWED_HOSTS, ALLOW_ANYIP
     # Gen Config/Advanced
     global BRANCH, CUR_COMMIT_BRANCH, GIT_REMOTE, CUR_COMMIT_HASH, GIT_PATH, CPU_PRESET, ANON_REDIRECT, \
         ENCRYPTION_VERSION, PROXY_SETTING, PROXY_INDEXERS, FILE_LOGGING_PRESET
@@ -826,6 +827,7 @@ def init_stage_1(console_logging):
     HANDLE_REVERSE_PROXY = bool(check_setting_int(CFG, 'General', 'handle_reverse_proxy', 0))
     SEND_SECURITY_HEADERS = bool(check_setting_int(CFG, 'General', 'send_security_headers', 1))
     ALLOWED_HOSTS = check_setting_str(CFG, 'General', 'allowed_hosts', '')
+    ALLOW_ANYIP = bool(check_setting_int(CFG, 'General', 'allow_anyip', 1))
 
     ROOT_DIRS = check_setting_str(CFG, 'General', 'root_dirs', '')
     if not re.match(r'\d+\|[^|]+(?:\|[^|]+)*', ROOT_DIRS):
@@ -1676,6 +1678,7 @@ def save_config():
     new_config['General']['handle_reverse_proxy'] = int(HANDLE_REVERSE_PROXY)
     new_config['General']['send_security_headers'] = int(SEND_SECURITY_HEADERS)
     new_config['General']['allowed_hosts'] = ALLOWED_HOSTS
+    new_config['General']['allow_anyip'] = int(ALLOW_ANYIP)
     new_config['General']['use_nzbs'] = int(USE_NZBS)
     new_config['General']['use_torrents'] = int(USE_TORRENTS)
     new_config['General']['nzb_method'] = NZB_METHOD

sickbeard/helpers.py

@@ -1393,10 +1393,14 @@ def maybe_plural(number=1):
 
 def re_valid_hostname(with_allowed=True):
     this_host = socket.gethostname()
-    return re.compile(r'(?i)(%slocalhost|.*\.local|%s%s)$' % (
+    return re.compile(r'(?i)(%slocalhost|.*\.local%s%s)$' % (
         (with_allowed
-         and '%s|' % (sickbeard.ALLOWED_HOSTS and re.escape(sickbeard.ALLOWED_HOSTS).replace(',', '|') or '.*')
+         and '%s|' % (sickbeard.ALLOWED_HOSTS
-         or ''), bool(this_host) and ('%s|' % this_host) or '', valid_ipaddr_expr()))
+                      and '|'.join(re.escape(x.strip()) for x in sickbeard.ALLOWED_HOSTS.split(','))
+                      or '.*')
+         or ''),
+        bool(this_host) and ('|%s' % this_host) or '',
+        sickbeard.ALLOW_ANYIP and ('|%s' % valid_ipaddr_expr()) or ''))
 
 
 def valid_ipaddr_expr():

sickbeard/providers/shazbat.py

@@ -98,9 +98,9 @@ class ShazbatProvider(generic.TorrentProvider):
                         raise generic.HaltParseException
 
                     with BS4Parser(html) as tbl:
-                        tbl_rows = tbl.tbody.find_all('tr') or tbl.table.find_all('tr') or []
+                        tbl_rows = tbl.tbody and tbl.tbody.find_all('tr') or tbl.table and tbl.table.find_all('tr')
 
-                        if 2 > len(tbl_rows):
+                        if 2 > len(tbl_rows or []):
                             raise generic.HaltParseException
 
                         head = None

sickbeard/webserve.py

@@ -628,6 +628,16 @@ class IsAliveHandler(BaseHandler):
         self.write(results)
 
 
+class WrongHostWebHandler(BaseHandler):
+    def __init__(self, *arg, **kwargs):
+        super(BaseHandler, self).__init__(*arg, **kwargs)
+        self.lock = threading.Lock()
+
+    @gen.coroutine
+    def prepare(self):
+        self.send_error(404)
+
+
 class LoadingWebHandler(BaseHandler):
     def __init__(self, *arg, **kwargs):
         super(BaseHandler, self).__init__(*arg, **kwargs)
@@ -5919,7 +5929,7 @@ class ConfigGeneral(Config):
                     trash_remove_show=None, trash_rotate_logs=None, update_frequency=None, launch_browser=None, web_username=None,
                     use_api=None, api_key=None, indexer_default=None, timezone_display=None, cpu_preset=None, file_logging_preset=None,
                     web_password=None, version_notify=None, enable_https=None, https_cert=None, https_key=None,
-                    handle_reverse_proxy=None, send_security_headers=None, allowed_hosts=None,
+                    handle_reverse_proxy=None, send_security_headers=None, allowed_hosts=None, allow_anyip=None,
                     home_search_focus=None, display_freespace=None, sort_article=None, auto_update=None, notify_on_update=None,
                     proxy_setting=None, proxy_indexers=None, anon_redirect=None, git_path=None, git_remote=None, calendar_unprotected=None,
                     fuzzy_dating=None, trim_zero=None, date_preset=None, date_preset_na=None, time_preset=None,
@@ -6021,6 +6031,7 @@ class ConfigGeneral(Config):
                                 config.clean_hosts(allowed_hosts).split(',')))
         if not hosts or self.request.host_name in hosts:
             sickbeard.ALLOWED_HOSTS = hosts
+        sickbeard.ALLOW_ANYIP = config.checkbox_to_value(allow_anyip)
 
         # Advanced
         sickbeard.GIT_REMOTE = git_remote

sickbeard/webserveInit.py

@@ -127,6 +127,8 @@ class WebServer(threading.Thread):
             (r'%s(/?.*)' % self.options['web_root'], webserve.LoadingWebHandler),
         ])
 
+        self.app.add_handlers(r'.*', [(r'.*', webserve.WrongHostWebHandler)])
+
     def _add_default_rules(self):
         # webui login/logout handlers
         self.app.add_handlers(self.re_host_pattern, [
@@ -195,6 +197,8 @@ class WebServer(threading.Thread):
             (r'%s(/?.*)' % self.options['web_root'], webserve.MainHandler),
         ])
 
+        self.app.add_handlers(r'.*', [(r'.*', webserve.WrongHostWebHandler)])
+
     def run(self):
         protocol, ssl_options = (('http', None),
                                  ('https', {'certfile': self.https_cert, 'keyfile': self.https_key}))[self.enable_https]