pgadmin4/web/pgadmin/evaluate_config.py
2024-01-01 14:13:48 +05:30

131 lines
5.0 KiB
Python

##########################################################################
#
# pgAdmin 4 - PostgreSQL Tools
#
# Copyright (C) 2013 - 2024, The pgAdmin Development Team
# This software is released under the PostgreSQL Licence
#
##########################################################################
import os
import sys
import keyring
# User configs loaded from config_local, config_distro etc.
custom_config_settings = {}
# Function to Extract settings from config_local, config_distro etc.
def get_variables_from_module(module_name):
module = globals().get(module_name, None)
variables = {}
if module:
variables = {key: value for key, value in module.__dict__.items()
if not (key.startswith('__') or key.startswith('_')) and
validate_config_variable(key, value)}
return variables
def validate_config_variable(key, value):
boolean_keys = ['SERVER_MODE', 'ENHANCED_COOKIE_PROTECTION',
'SUPPORT_SSH_TUNNEL', 'ALLOW_SAVE_TUNNEL_PASSWORD',
'MASTER_PASSWORD_REQUIRED']
integer_keys = ['DEFAULT_SERVER_PORT', 'SERVER_HEARTBEAT_TIMEOUT',
'LOG_ROTATION_SIZE', 'LOG_ROTATION_AGE',
'LOG_ROTATION_MAX_LOG_FILES', 'MAX_SESSION_IDLE_TIME']
if key in boolean_keys and not isinstance(value, bool):
exception_msg = 'Expected boolean value for %s; got %r' % (key, value)
raise ValueError(exception_msg)
elif key in integer_keys and not isinstance(value, int):
exception_msg = 'Expected integer value for %s; got %r' % (key, value)
raise ValueError(exception_msg)
else:
# Do not validate
return True
# Load distribution-specific config overrides
try:
import config_distro
config_distro_settings = get_variables_from_module('config_distro')
custom_config_settings.update(config_distro_settings)
except ImportError:
pass
# Load local config overrides
try:
import config_local
config_local_settings = get_variables_from_module('config_local')
custom_config_settings.update(config_local_settings)
except ImportError:
pass
# Load system config overrides. We do this last, so that the sysadmin can
# override anything they want from a config file that's in a protected system
# directory and away from pgAdmin to avoid invalidating signatures.
system_config_dir = '/etc/pgadmin'
if sys.platform.startswith('win32'):
system_config_dir = os.environ['CommonProgramFiles'] + '/pgadmin'
elif sys.platform.startswith('darwin'):
system_config_dir = '/Library/Preferences/pgadmin'
if os.path.exists(system_config_dir + '/config_system.py'):
try:
sys.path.insert(0, system_config_dir)
import config_system
config_system_settings = get_variables_from_module('config_system')
custom_config_settings.update(config_system_settings)
except ImportError:
pass
def evaluate_and_patch_config(config: dict) -> dict:
# Update settings for 'LOG_FILE', 'SQLITE_PATH', 'SESSION_DB_PATH',
# 'AZURE_CREDENTIAL_CACHE_DIR', 'KERBEROS_CCACHE_DIR', 'STORAGE_DIR'
# of DATA_DIR is user defined
data_dir_dependent_settings = \
['LOG_FILE', 'SQLITE_PATH', 'SESSION_DB_PATH',
'AZURE_CREDENTIAL_CACHE_DIR', 'KERBEROS_CCACHE_DIR', 'STORAGE_DIR']
if 'DATA_DIR' in custom_config_settings:
for setting in data_dir_dependent_settings:
if setting not in custom_config_settings:
data_dir = custom_config_settings['DATA_DIR']
file_dir_name = os.path.basename(config.get(setting))
config.update(
{setting: os.path.join(data_dir, file_dir_name)})
# To use psycopg3 driver, need to specify +psycopg in conn URI
if 'CONFIG_DATABASE_URI' in custom_config_settings:
db_uri = custom_config_settings['CONFIG_DATABASE_URI']
if db_uri.startswith('postgresql:'):
custom_config_settings['CONFIG_DATABASE_URI'] = \
'postgresql+psycopg:{0}'.format(db_uri[db_uri.find(':') + 1:])
# Finally update config user configs
config.update(custom_config_settings)
# Override DEFAULT_SERVER value from environment variable.
if 'PGADMIN_CONFIG_DEFAULT_SERVER' in os.environ:
config['DEFAULT_SERVER'] = os.environ['PGADMIN_CONFIG_DEFAULT_SERVER']
# Disable USER_INACTIVITY_TIMEOUT when SERVER_MODE=False
if not config.get('SERVER_MODE'):
config['USER_INACTIVITY_TIMEOUT'] = 0
# Enable PSQL in Desktop Mode.
config['ENABLE_PSQL'] = True
if config.get('SERVER_MODE'):
config.setdefault('DISABLED_LOCAL_PASSWORD_STORAGE', True)
config.setdefault('KEYRING_NAME', '')
else:
k_name = keyring.get_keyring().name
if k_name == 'fail Keyring':
config.setdefault('DISABLED_LOCAL_PASSWORD_STORAGE', True)
config.setdefault('KEYRING_NAME', '')
else:
config.setdefault('DISABLED_LOCAL_PASSWORD_STORAGE', False)
config.setdefault('KEYRING_NAME', k_name)
return config