def get_best_servers(self, servers):
log.info("Benchmarking servers...")
start = timer()
best_servers = benchmarking.get_best_servers(
servers, self.settings.get_ping_attempts(),
self.settings.get_protocols())
end = timer()
log.info(f"Benchmarking complete. Took {end - start:.2f} seconds.")
return best_servers
def sync_servers(self, preserve_vpn, slow_mode):
updated = False
username = self.credentials.get_username()
password = self.credentials.get_password()
# Check if there are custom DNS servers specified in the settings before loading the defaults
dns_list = self.settings.get_custom_dns_servers()
if not self.configs_exist():
self.logger.warning("No OpenVPN configuration files found.")
if not self.get_configs():
sys.exit(1)
self.logger.info("Checking for new connections to import...")
server_list = nordapi.get_server_list(sort_by_load=True)
if server_list:
valid_server_list = self.get_valid_servers(server_list)
if valid_server_list:
if not preserve_vpn:
# If there's a kill-switch in place, we need to temporarily remove it, otherwise it will kill out network when disabling an active VPN below
# Disconnect active Nord VPNs, so we get a more reliable benchmark
show_warning = False
if networkmanager.remove_killswitch():
show_warning = True
warning_string = "Kill-switch"
if networkmanager.disconnect_active_vpn(self.active_servers):
if show_warning:
warning_string = "Active VPN(s) and " + warning_string
else:
show_warning = True
warning_string = "Active VPN(s)"
if show_warning:
self.logger.warning("%s disabled for accurate benchmarking. Your connection is not secure until these are re-enabled.", warning_string)
else:
self.logger.warning("Active VPN preserved. This may give unreliable results!")
if slow_mode:
self.logger.info("Benchmarking slow mode enabled.")
num_servers = len(valid_server_list)
self.logger.info("Benchmarking %i servers...", num_servers)
start = timer()
ping_attempts = self.settings.get_ping_attempts() # We are going to be multiprocessing within a class instance, so this needs getting outside of the multiprocessing
valid_protocols = self.settings.get_protocols()
valid_categories = self.settings.get_categories()
best_servers, num_success = benchmarking.get_best_servers(valid_server_list, ping_attempts, valid_protocols, valid_categories, slow_mode)
end = timer()
if num_success == 0:
self.logger.error("Benchmarking failed to test any servers. Your network may be blocking large-scale ICMP requests. Exiting.")
sys.exit(1)
else:
percent_success = round(num_success / num_servers * 100, 2)
self.logger.info("Benchmarked %i servers successfully (%0.2f%%). Took %0.2f seconds.", num_success, percent_success, end - start)
if percent_success < 90.0:
self.logger.warning("A large quantity of tests failed. Your network may be unreliable, or blocking large-scale ICMP requests. Syncing in slow mode (-s) may fix this.")
# remove all old connections and any auto-connect, until a better sync routine is added
if self.remove_active_connections():
updated = True
if networkmanager.remove_autoconnect():
updated = True
self.logger.info("Adding new connections...")
new_connections = 0
for key in best_servers.keys():
imported = True
name = best_servers[key]['name']
if not self.connection_exists(name):
domain = best_servers[key]['domain']
protocol = key[2]
file_path = self.get_ovpn_path(domain, protocol)
if file_path:
if networkmanager.import_connection(file_path, name, username, password, dns_list):
updated = True
new_connections += 1
else:
imported = False
else:
self.logger.warning("Could not find a configuration file for %s. Skipping.", name)
# If the connection already existed, or the import was successful, add the server combination to the active servers
if imported:
self.active_servers[key] = best_servers[key]
self.save_active_servers(self.active_servers, paths.ACTIVE_SERVERS)
if new_connections > 0:
self.logger.info("%i new connections added.", new_connections)
else:
self.logger.info("No new connections added.")
return updated
else:
self.logger.error("No servers found matching your settings. Review your settings and try again.")
sys.exit(1)
else:
self.logger.error("Could not fetch the server list from NordVPN. Check your Internet connectivity.")
sys.exit(1)
def sync_servers(self):
updated = False
username = self.credentials.get_username()
password = self.credentials.get_password()
dns_list = nordapi.get_nameservers()
self.logger.info("Checking for new connections to import...")
if self.configs_exist():
server_list = nordapi.get_server_list(sort_by_load=True)
if server_list:
valid_server_list = self.get_valid_servers(server_list)
if valid_server_list:
# If there's a kill-switch in place, we need to temporarily remove it, otherwise it will kill out network when disabling an active VPN below
# Disconnect active Nord VPNs, so we get a more reliable benchmark
show_warning = False
if networkmanager.remove_killswitch(paths.KILLSWITCH):
show_warning = True
warning_string = "Kill-switch"
if networkmanager.disconnect_active_vpn(
self.active_servers):
if show_warning:
warning_string = "Active VPN(s) and " + warning_string
else:
show_warning = True
warning_string = "Active VPN(s)"
if show_warning:
self.logger.warning(
"%s disabled for accurate benchmarking. Your connection is not secure until these are re-enabled.",
warning_string)
self.logger.info("Benchmarking servers...")
start = timer()
ping_attempts = self.settings.get_ping_attempts(
) # We are going to be multiprocessing within a class instance, so this needs getting outside of the multiprocessing
valid_protocols = self.settings.get_protocols()
best_servers = benchmarking.get_best_servers(
valid_server_list, ping_attempts, valid_protocols)
end = timer()
self.logger.info(
"Benchmarking complete. Took %0.2f seconds.",
end - start)
# Purge all old connections and any auto-connect, until a better sync routine is added
if self.purge_active_connections():
updated = True
if networkmanager.remove_autoconnect():
updated = True
self.logger.info("Adding new connections...")
new_connections = 0
for key in best_servers.keys():
imported = True
name = best_servers[key]['name']
if not self.connection_exists(name):
domain = best_servers[key]['domain']
protocol = key[2]
file_path = self.get_ovpn_path(domain, protocol)
if file_path:
if networkmanager.import_connection(
file_path, name, username, password,
dns_list):
updated = True
new_connections += 1
else:
imported = False
else:
self.logger.warning(
"Could not find a configuration file for %s. Skipping.",
name)
# If the connection already existed, or the import was successful, add the server combination to the active servers
if imported:
self.active_servers[key] = best_servers[key]
self.save_active_servers(self.active_servers,
paths.ACTIVE_SERVERS)
if new_connections > 0:
self.logger.info("%i new connections added.",
new_connections)
else:
self.logger.info("No new connections added.")
return updated
else:
self.logger.error(
"No servers found matching your settings. Review your settings and try again."
)
sys.exit(1)
else:
self.logger.error(
"Could not fetch the server list from NordVPN. Check your Internet connectivity."
)
sys.exit(1)
else:
self.logger.error(
"Can't find any OpenVPN configuration files. Please run --update before syncing."
)
sys.exit(1)