Add site to Safari's Java whitelist via script

Add site to Safari's Java whitelist (draft)

#!/bin/sh

# Add a site to the Java whitelist in Safari  with Safari 5.1.9+ on 10.6.x and Safari 6.0.4+ on 10.7+

# Get the currently logged in user
LIU="`/usr/bin/w | grep console | awk '{ print $1 }'`"

# Make a copy of user's existing Safari prefs first before overwriting
cp /Users/$LIU/Library/Preferences/com.apple.Safari.plist /Users/$LIU/Library/Preferences/com.apple.Safari.plist_BAK

# Edit com.apple.Safari.plist to add new site to whitelist
/usr/libexec/PlistBuddy -c "Add :WhitelistedBlockedPlugins array" /Users/$LIU/Library/Preferences/com.apple.Safari.plist
/usr/libexec/PlistBuddy -c "Add :WhitelistedBlockedPlugins:0 dict" /Users/$LIU/Library/Preferences/com.apple.Safari.plist
/usr/libexec/PlistBuddy -c "Add :WhitelistedBlockedPlugins:0:PluginHostname string 'fermilab.kronoshosting.com'" /Users/$LIU/Library/Preferences/com.apple.Safari.plist
# Plistbuddy doesn't seem to like variables here (e.g. $HOSTNAME) so have to hardcode in value. 
/usr/libexec/PlistBuddy -c "Add :WhitelistedBlockedPlugins:0:PluginIdentifier string 'com.oracle.java.JavaAppletPlugin'" /Users/$LIU/Library/Preferences/com.apple.Safari.plist
/usr/libexec/PlistBuddy -c "Add :WhitelistedBlockedPlugins:0:PluginLastVisitedDate string '2013-04-16T22:20:57Z'" /Users/$LIU/Library/Preferences/com.apple.Safari.plist
/usr/libexec/PlistBuddy -c "Add :WhitelistedBlockedPlugins:0:PluginName string 'Java Applet Plug-in'" /Users/$LIU/Library/Preferences/com.apple.Safari.plist
/usr/libexec/PlistBuddy -c "Add :WhitelistedBlockedPlugins:0:PluginPageURL string 'https://fermilab.kronoshosting.com/wfc09/applications/suitenav/navigation.do'" /Users/$LIU/Library/Preferences/com.apple.Safari.plist
# Plistbuddy doesn't seem to like variables here (e.g. $URL) so have to hardcode in value. 
/usr/libexec/PlistBuddy -c "Add :WhitelistedBlockedPlugins:0:PluginPolicy string 'PluginPolicyNeverBlock'" /Users/$LIU/Library/Preferences/com.apple.Safari.plist

exit 0