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‎src/user-defaults‎

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#!/bin/bash
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## region ############################################## Static Variables
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binDefaults="/usr/bin/defaults"
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binReload="/System/Library/PrivateFrameworks/SystemAdministration.framework/Resources/activateSettings"
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version="1.0"
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## endregion ########################################### End Static Variables
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## region ############################################## Functions
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function normalizeValue() {
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local val
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val=$1
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case "$val" in
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1 | yes | TRUE | True | true ) val="-bool true" ;;
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0 | no | FALSE | False | false ) val="-bool false" ;;
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esac
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echo "$val" && return 0
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}
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function output::usage() {
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local help
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help=$(defaults help)
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echo "$help" | tail -n + 1 | head -n 2
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echo "Command line interface to a specific user's defaults. Automatically refreshes defaults after writing."
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echo "Syntax:"
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echo ""
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echo "'defaults-user' -version Displays the version number"
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echo "'defaults-user' -help Displays this help"
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echo "'defaults-user' [ -currentHost | -host <hostname> ] [ -user <username> ] [ -quiet ] followed by one of the following:"
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echo ""
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echo "$help" | tail -n +6 | head -n 22
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echo "<user> is a valid macOS user. If not specified, the currently logged in console user will be used."
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echo " Exits with an error if no user is specified and no user is logged in."
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echo ""
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echo "$help" | tail -n +28
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echo ""
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echo "If no value type is specified, the -bool flag is automatically added for boolean-like values."
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echo ""
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}
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function output::version() {
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echo "user-defaults v${version}"
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}
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# /*!
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# Public: Shows the username of the current console user, if any is logged in.
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# */
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function user::console() {
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echo "show State:/Users/ConsoleUser" | /usr/sbin/scutil | /usr/bin/awk '/Name :/ && ! /loginwindow/ { print $3 }'
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}
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function _isJamf() {
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local cName firstCharFirstArg
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cName=$(/usr/sbin/scutil --get ComputerName)
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firstCharFirstArg=$(/usr/bin/printf '%s' "$1" | /usr/bin/cut -c 1)
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if [ "$firstCharFirstArg" == "/" ] && [ "$2" == "$cName" ]; then
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return 0
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else
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return 1
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fi
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}
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## endregion ########################################### End Functions
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## region ############################################## Jamf Detection & Argument Shifting
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if _isJamf "$@"; then
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# shellcheck disable=SC2034
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jamfMountPoint="$1"
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# shellcheck disable=SC2034
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jamfHostName="$2"
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# shellcheck disable=SC2034
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jamfUser="$3"
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targetUser="$jamfUser"
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# Remove Jamf Arguments
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shift 3
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# Blank first Output Line for Prettier Jamf Logs
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echo ""
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fi
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## endregion ########################################### End Jamf Detection and Arg Shifting
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## region ############################################## Argument Handling
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isQuiet=false
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isType=false
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args=()
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while [ "$1" != "" ]; do
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# See if user specified a type
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case "$1" in
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-string | -data | -int | -integer | -float | -bool | -boolean | -date ) isType=true; isSingle=true ;;
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-array | -array-add | -dict | -dict-add ) isType=true; isSingle=false ;;
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esac
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# Check for our added flags
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case "$1" in
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-u | -user | --user ) targetUser="$2"; shift;;
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-q | -quiet | --quiet ) isQuiet=true; ;;
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-currentHost ) host="current"; ;;
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-host ) host="$2"; shift;;
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-h | --help | help ) output::usage; exit;; # quit and show usage
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--version ) output::version; exit;; # quit and show usage
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* ) args+=("$1") # if no match, add it to the positional args
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esac
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shift # move to next kv pair
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done
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## endregion ########################################### End Argument Handling
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## region ############################################## Main Code
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prefix="sudo -u $targetUser"
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action="${args[0]}"
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if [ "$action" == "write" ] && $isSingle; then
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# Get Particulars
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domain="${args[1]}"
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key="${args[2]}"
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if $isType; then
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type="${args[3]}"
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value="${args[4]}"
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else
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type=""
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value=$(normalizeValue "${args[3]}")
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fi
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# Normalize Domain
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if [ "$domain" == ".GlobalPreferences" ]; then
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domain="-g"
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fi
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command=("$prefix" "$binDefaults" "write" "$host" "$domain" "$key" "$type" "$value")
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else
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# Here we are just prefixing
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command=("$prefix" "$binDefaults" "$host")
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for arg in "${args[@]}"
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do
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command+=("$arg")
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done
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fi
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# Build the normalized command
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commandStr=""
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for part in "${command[@]}"; do
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if [ -n "$part" ]; then
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if [ -n "$commandStr" ]; then
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commandStr="$commandStr $part"
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else
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commandStr="$part"
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fi
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fi
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done
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# Output if Applicable
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if $isQuiet; then
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if $commandStr /dev/null 2>&1; then
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if echo "$action" | grep -q 'write\|array\|array-add\|dict\|dict-add'; then
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$prefix $binReload -u
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fi
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exit 0
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fi
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else
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if $commandStr; then
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if echo "$action" | grep -q 'write\|array\|array-add\|dict\|dict-add'; then
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$prefix $binReload -u
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fi
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exit 0
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else
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exit $?
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fi
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fi
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## endregion ########################################### End Main Code

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