Python scripts for MacTech MacEnterprise column "Managing Complex Preferences"

update_complex_pref_v1.py

import CoreFoundation
from Foundation import NSDate

# read Safari's current ManagedPlugInPolicies
policy = CoreFoundation.CFPreferencesCopyAppValue(
    'ManagedPlugInPolicies', 'com.apple.Safari')

if not 'com.oracle.java.JavaAppletPlugin' in policy:
    # create an empty dict
    policy['com.oracle.java.JavaAppletPlugin'] = {}

if not 'PlugInHostnamePolicies' in policy[
        'com.oracle.java.JavaAppletPlugin']:
    # create an empty array
    policy['com.oracle.java.JavaAppletPlugin'][
        'PlugInHostnamePolicies'] = []

found_redacted_vpn = False
# iterate through dicts in
# com.oracle.java.JavaAppletPlugin:PlugInHostnamePolicies
# looking for one containing our desired PlugInHostname
for dict_item in policy[
        'com.oracle.java.JavaAppletPlugin'][
            'PlugInHostnamePolicies']:
    if dict_item.get('PlugInHostname') == 'vpn.redacted.com':
        found_redacted_vpn = True

if not found_redacted_vpn:
    # we didn't find one, so create one
    redacted_vpn = {
        'PlugInPageURL':
            'https://vpn.redacted.com/index.cgi',
        'PlugInHostname': 'vpn.redacted.com',
        'PlugInRunUnsandboxed': True,
        'PlugInPolicy':
            'PlugInPolicyAllowNoSecurityRestrictions',
        'PlugInLastVisitedDate': NSDate.date()
    }
    # add our new policy to the array
    policy['com.oracle.java.JavaAppletPlugin'][
        'PlugInHostnamePolicies'].append(redacted_vpn)

# save the changed preference
CoreFoundation.CFPreferencesSetAppValue(
    'ManagedPlugInPolicies', policy, 'com.apple.Safari')
CoreFoundation.CFPreferencesAppSynchronize(
    'com.apple.Safari')

update_complex_pref_v2.py

import CoreFoundation
from Foundation import NSDate
from Foundation import NSMutableArray, NSMutableDictionary

# read the current ManagedPlugInPolicies
policy = CoreFoundation.CFPreferencesCopyAppValue(
    'ManagedPlugInPolicies', 'com.apple.Safari')

if policy:
    # policy is an immutable dict,
    # so we have to make a mutable copy
    my_policy = NSMutableDictionary.alloc(
        ).initWithDictionary_copyItems_(policy, True)
else:
    # create an empty dict
    my_policy = {}

if 'com.oracle.java.JavaAppletPlugin' in my_policy:
    # make a mutable copy of the dict
    current_dict = my_policy[
        'com.oracle.java.JavaAppletPlugin']
    my_policy['com.oracle.java.JavaAppletPlugin'] = (
        NSMutableDictionary.alloc(
            ).initWithDictionary_copyItems_(
                current_dict, True))
else:
    # create an empty dict
    my_policy['com.oracle.java.JavaAppletPlugin'] = {}

if 'PlugInHostnamePolicies' in my_policy[
        'com.oracle.java.JavaAppletPlugin']:
    # make a mutable copy of the array
    current_array = my_policy[
        'com.oracle.java.JavaAppletPlugin'][
            'PlugInHostnamePolicies']
    my_policy['com.oracle.java.JavaAppletPlugin'][
        'PlugInHostnamePolicies'] = NSMutableArray.alloc(
            ).initWithArray_(current_array)
else:
    # create an empty array
    my_policy['com.oracle.java.JavaAppletPlugin'][
        'PlugInHostnamePolicies'] = []

found_redacted_vpn = False
# iterate through dicts in
# com.oracle.java.JavaAppletPlugin:PlugInHostnamePolicies
# looking for one containing our desired PlugInHostname
for dict_item in my_policy[
        'com.oracle.java.JavaAppletPlugin'][
            'PlugInHostnamePolicies']:
    if dict_item.get(
            'PlugInHostname') == 'vpn.redacted.com':
        found_redacted_vpn = True

if not found_redacted_vpn:
    redacted_vpn = {
        'PlugInPageURL':
            'https://vpn.redacted.com/index.cgi',
        'PlugInHostname': 'vpn.redacted.com',
        'PlugInRunUnsandboxed': True,
        'PlugInPolicy':
            'PlugInPolicyAllowNoSecurityRestrictions',
        'PlugInLastVisitedDate': NSDate.date()
    }
    # add our new policy to the array
    my_policy['com.oracle.java.JavaAppletPlugin'][
        'PlugInHostnamePolicies'].append(redacted_vpn)

# save the changed preference
CoreFoundation.CFPreferencesSetAppValue(
    'ManagedPlugInPolicies', my_policy, 'com.apple.Safari')
CoreFoundation.CFPreferencesAppSynchronize(
    'com.apple.Safari')