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Use XDG Base Directories #96

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Use XDG Base Directories #96

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16 changes: 14 additions & 2 deletions protonvpn_cli/cli.py
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Original file line number Diff line number Diff line change
Expand Up @@ -63,7 +63,7 @@
)
# Constants
from .constants import (
CONFIG_DIR, CONFIG_FILE, PASSFILE, USER, VERSION, SPLIT_TUNNEL_FILE
CONFIG_DIR, DATA_DIR, CACHE_DIR, CONFIG_FILE, PASSFILE, USER, VERSION, SPLIT_TUNNEL_FILE
)


Expand All @@ -80,13 +80,15 @@ def cli():
"""Run user's input command."""

# Initial log values
change_file_owner(os.path.join(CONFIG_DIR, "pvpn-cli.log"))
change_file_owner(os.path.join(CACHE_DIR, "pvpn-cli.log"))
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@kaplun kaplun Jan 31, 2020

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Shouldn't this be LOG_DIR?

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@aDogCalledSpot aDogCalledSpot Jan 31, 2020

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There currently isn't a LOG_DIR as there isn't one listed in the specification. As log files are not necessary to run the program they are placed into the CACHE_DIR. I could make a separate LOG_DIR and have that be the same as CACHE_DIR to make the code clearer.

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@kaplun kaplun Jan 31, 2020

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Yeah, I just see that XDG standard is incomplete here: https://stackoverflow.com/questions/25897836/where-should-i-write-a-user-specific-log-file-to-and-be-xdg-base-directory-comp

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@coquizen coquizen May 11, 2021

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The specification does state the following

The $XDG_STATE_HOME contains state data that should persist between (application) restarts, but that is not important or portable enough to the user that it should be stored in $XDG_DATA_HOME. It may contain:

  • actions history (logs, history, recently used files, …)
  • [......]

This was was already stated in the stack overflow link above as well.

Admittedly I have not defined this environment variable in my own implementation. (I only have XDG_DATA_HOME and XDG_CONFIG_HOME environment variable defined).

While it may not be set in stone, I think the XDG Base Directories is the best and most widely accepted standard that we have. Implementing this will further encourage adoption, keep $HOME directories clean and easier to maintain. This change also is somewhat trivial and provides more value than the pain of adding it.

While I understand that this seems to scatter the various files needed by protonvpn_cli among the different directories, keep in mind that this is the case with system applications as well (/etc for config files, /var/log for logs, etc....). Having the $HOME organized thus does not increase its complexity. Rather it only improves upon organization facilitating automated maintenance/archival tasks.

logger.debug("###########################")
logger.debug("### NEW PROCESS STARTED ###")
logger.debug("###########################")
logger.debug(sys.argv)
logger.debug("USER: {0}".format(USER))
logger.debug("CONFIG_DIR: {0}".format(CONFIG_DIR))
logger.debug("DATA_DIR: {0}".format(DATA_DIR))
logger.debug("CACHE_DIR: {0}".format(CACHE_DIR))

args = docopt(__doc__, version="ProtonVPN-CLI v{0}".format(VERSION))
logger.debug("Arguments\n{0}".format(str(args).replace("\n", "")))
Expand Down Expand Up @@ -180,6 +182,16 @@ def init_config_file():
logger.debug("Config Directory created")
change_file_owner(CONFIG_DIR)

if not os.path.isdir(CACHE_DIR):
os.mkdir(CACHE_DIR)
logger.debug("Cache Directory created")
change_file_owner(CACHE_DIR)

if not os.path.isdir(DATA_DIR):
os.mkdir(DATA_DIR)
logger.debug("Data Directory created")
change_file_owner(DATA_DIR)

# Warn user about reinitialization
try:
if int(get_config_value("USER", "initialized")):
Expand Down
20 changes: 10 additions & 10 deletions protonvpn_cli/connection.py
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,7 @@
)
# Constants
from .constants import (
CONFIG_DIR, TEMPLATE_FILE, OVPN_FILE, PASSFILE, CONFIG_FILE
CACHE_DIR, DATA_DIR, TEMPLATE_FILE, OVPN_FILE, PASSFILE, CONFIG_FILE
)


Expand Down Expand Up @@ -361,7 +361,7 @@ def status():
if not is_connected():
logger.debug("Disconnected")
print("Status: Disconnected")
if os.path.isfile(os.path.join(CONFIG_DIR, "iptables.backup")):
if os.path.isfile(os.path.join(DATA_DIR, "iptables.backup")):
print("[!] Kill Switch is currently active.")
logger.debug("Kill Switch active while VPN disconnected")
else:
Expand Down Expand Up @@ -416,7 +416,7 @@ def status():
last_connection = get_config_value("metadata", "connected_time")
connection_time = time.time() - int(last_connection)

if os.path.isfile(os.path.join(CONFIG_DIR, "iptables.backup")):
if os.path.isfile(os.path.join(DATA_DIR, "iptables.backup")):
killswitch_on = True
else:
killswitch_on = False
Expand Down Expand Up @@ -471,7 +471,7 @@ def openvpn_connect(servername, protocol):

print("Connecting to {0} via {1}...".format(servername, protocol.upper()))

with open(os.path.join(CONFIG_DIR, "ovpn.log"), "w+") as f:
with open(os.path.join(CACHE_DIR, "ovpn.log"), "w+") as f:
subprocess.Popen(
[
"openvpn",
Expand All @@ -484,7 +484,7 @@ def openvpn_connect(servername, protocol):
logger.debug("OpenVPN process started")
time_start = time.time()

with open(os.path.join(CONFIG_DIR, "ovpn.log"), "r") as f:
with open(os.path.join(CACHE_DIR, "ovpn.log"), "r") as f:
while True:
content = f.read()
f.seek(0)
Expand Down Expand Up @@ -557,7 +557,7 @@ def manage_dns(mode, dns_server=False):
restore: Revert changes and restore original configuration
"""

backupfile = os.path.join(CONFIG_DIR, "resolv.conf.backup")
backupfile = os.path.join(DATA_DIR, "resolv.conf.backup")
resolvconf_path = os.path.realpath("/etc/resolv.conf")

if mode == "leak_protection":
Expand Down Expand Up @@ -642,8 +642,8 @@ def manage_ipv6(mode):
restore: Revert changes and restore original configuration.
"""

ipv6_backupfile = os.path.join(CONFIG_DIR, "ipv6.backup")
ip6tables_backupfile = os.path.join(CONFIG_DIR, "ip6tables.backup")
ipv6_backupfile = os.path.join(DATA_DIR, "ipv6.backup")
ip6tables_backupfile = os.path.join(DATA_DIR, "ip6tables.backup")

if mode == "disable":

Expand Down Expand Up @@ -773,7 +773,7 @@ def manage_killswitch(mode, proto=None, port=None):
reason this will completely block access to the internet.
"""

backupfile = os.path.join(CONFIG_DIR, "iptables.backup")
backupfile = os.path.join(DATA_DIR, "iptables.backup")

if mode == "restore":
logger.debug("Restoring iptables")
Expand All @@ -797,7 +797,7 @@ def manage_killswitch(mode, proto=None, port=None):
logger.debug("Kill Switch backup exists")
manage_killswitch("restore")

with open(os.path.join(CONFIG_DIR, "ovpn.log"), "r") as f:
with open(os.path.join(CACHE_DIR, "ovpn.log"), "r") as f:
content = f.read()
device = re.search(r"(TUN\/TAP device) (.+) opened", content)
if not device:
Expand Down
45 changes: 39 additions & 6 deletions protonvpn_cli/constants.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6,11 +6,44 @@
except KeyError:
USER = getpass.getuser()

CONFIG_DIR = os.path.join(os.path.expanduser("~{0}".format(USER)), ".pvpn-cli")
# Ensure backwards compatibility
home_path = os.path.expanduser("~{0}".format(USER))
home_config = os.path.join(home_path, ".pvpn-cli")
if os.path.exists(home_config):
CONFIG_DIR = home_config
DATA_DIR = home_config
CACHE_DIR = home_config

else:
# Get the config directory
xdg_config_str = os.getenv("XDG_CONFIG_HOME")
if not xdg_config_str:
xdg_config = os.path.join(home_path, ".config")
else:
xdg_config = os.path.realpath(xdg_config_str)
Comment on lines +19 to +23
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@wybczu wybczu Apr 14, 2020

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nit: perhaps you can simplify it by writing

xdg_config = os.path.realpath(
    os.getenv("XDG_CONFIG_HOME", os.path.join(home_path, ".config"))
)

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@coquizen coquizen May 11, 2021

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You could also use the XDG module (last updated April of 2021) to facilitate the base directory specification.

CONFIG_DIR = os.path.join(xdg_config, "pvpn-cli")

# Get the data directory
xdg_data_str = os.getenv("XDG_DATA_HOME")
if not xdg_data_str:
xdg_data = os.path.join(home_path, ".local/share")
else:
xdg_data = os.path.realpath(xdg_data_str)
DATA_DIR = os.path.join(xdg_data, "pvpn-cli")

# Get the cache directory
xdg_cache_str = os.getenv("XDG_CACHE_HOME")
if not xdg_cache_str:
xdg_cache = os.path.join(home_path, ".cache")
else:
xdg_cache = os.path.realpath(xdg_cache_str)
CACHE_DIR = os.path.join(xdg_cache, "pvpn-cli")


CONFIG_FILE = os.path.join(CONFIG_DIR, "pvpn-cli.cfg")
TEMPLATE_FILE = os.path.join(CONFIG_DIR, "template.ovpn")
SERVER_INFO_FILE = os.path.join(CONFIG_DIR, "serverinfo.json")
SPLIT_TUNNEL_FILE = os.path.join(CONFIG_DIR, "split_tunnel.txt")
OVPN_FILE = os.path.join(CONFIG_DIR, "connect.ovpn")
PASSFILE = os.path.join(CONFIG_DIR, "pvpnpass")
TEMPLATE_FILE = os.path.join(CACHE_DIR, "template.ovpn")
SERVER_INFO_FILE = os.path.join(CACHE_DIR, "serverinfo.json")
SPLIT_TUNNEL_FILE = os.path.join(DATA_DIR, "split_tunnel.txt")
OVPN_FILE = os.path.join(DATA_DIR, "connect.ovpn")
PASSFILE = os.path.join(DATA_DIR, "pvpnpass")
VERSION = "2.2.0"
8 changes: 4 additions & 4 deletions protonvpn_cli/logger.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
import logging
from logging.handlers import RotatingFileHandler

from .constants import CONFIG_DIR
from .constants import CACHE_DIR


def get_logger():
Expand All @@ -13,11 +13,11 @@ def get_logger():
FORMATTER = logging.Formatter(
"%(asctime)s — %(name)s — %(levelname)s — %(funcName)s:%(lineno)d — %(message)s" # noqa
)
LOGFILE = os.path.join(CONFIG_DIR, "pvpn-cli.log")
LOGFILE = os.path.join(CACHE_DIR, "pvpn-cli.log")

# TBD, maybe /var/log is the better option
if not os.path.isdir(CONFIG_DIR):
os.mkdir(CONFIG_DIR)
if not os.path.isdir(CACHE_DIR):
os.mkdir(CACHE_DIR)

logger = logging.getLogger("protonvpn-cli")
logger.setLevel(logging.DEBUG)
Expand Down