Get macOS Screensaver and Settings

getMacScreensaver.sh

#!/bin/bash

loggedInUser=$(stat -f "%Su" /dev/console)

osVersion=$(/usr/bin/sw_vers -productVersion)
osVerMajor=$(echo "$osVersion" | /usr/bin/awk -F"." '{print $1}')
#osVerMinor=$(echo "$osVersion" | /usr/bin/awk -F"." '{print $2}')
#osVerPatch=$(echo "$osVersion" | /usr/bin/awk -F"." '{print $3}')

indent() { sed 's/^/  /'; }
urldecode() { : "${*//+/ }"; echo -e "${_//%/\\x}"; }


function getScreensaverSonoma() {
    user=$1
    section="AllSpacesAndDisplays" # or SystemDefault
    wallpaperStore="/Users/${user}/Library/Application Support/com.apple.wallpaper/Store/Index.plist"

    # Type = individual, idle, linked
    type=$(plutil -extract "${section}.Type" raw -o - "${wallpaperStore}")
    key=""
    if [ "$type" = "linked" ]; then
        key="Linked"
    elif [ "$type" = "individual" ] || [ "$type" = "idle" ]; then
        key="Idle"
    fi

    if [ "$key" = "" ]; then
        plutil -extract "SystemDefault" xml1 -o - "$wallpaperStore" | plutil -p -
        return
    fi

    provider=$(plutil -extract "${section}.${key}.Content.Choices.0.Provider" raw -o - "${wallpaperStore}")

    screensaverConfigRaw=$(plutil -extract "${section}.${key}.Content.Choices.0.Configuration" raw -o - "${wallpaperStore}")

    #plutil -extract "${section}.${key}" xml1 -o - "$wallpaperStore" | plutil -p -

    if [ "$provider" = "com.apple.wallpaper.choice.aerials" ]; then
        assetID=$(echo "$screensaverConfigRaw" | base64 -d -i - | plutil -extract assetID raw -o - -)
        
        printf "Type: \"%s\", Provider: \"%s\", AssetID: \"%s\", Name: \"%s\"" "$type" "$provider" "$assetID" "$(getAerialName "$assetID")"
        echo ""
    elif [ "$provider" = "com.apple.wallpaper.choice.screen-saver" ]; then
        file=$(echo "$screensaverConfigRaw" | base64 -d -i - | plutil -extract module.relative raw -o - -)
        settings=$(getScreensaverSettings "$user" "$(urldecode "$(echo "$file" | sed -E 's/^\s*.*:\/\///g')")")

        printf "Type: \"%s\", Provider: \"%s\", File: \"%s\", Settings: %s" "$type" "$provider" "$file" "$settings"
        echo ""
    else
        raw=$(echo "$screensaverConfigRaw" | base64 -d -i - | plutil -p - )
        printf "Type: \"%s\", Provider: \"%s\", Raw: %s" "$type" "$provider" "$raw"
    fi
}

function getBundleID() {
    path=$1
    bundleID=$(mdls -name kMDItemCFBundleIdentifier -r "$path")
    if [ "$bundleID" = "com.apple.ScreenSaver.iLife-Slideshow-Extension" ]; then
        bundleID="com.apple.ScreenSaver.iLifeSlideshows"
    fi
}

function getUserDefaults() {
    user=$1
    domain=$2

    sudo -u "$user" defaults -currentHost export "$domain" -
}

function getScreensaverSettings() {
    user=$1
    path=$2

    bundleID=$(getBundleID "$path")

    if [ "$bundleID" = "com.apple.ScreenSaver.iLifeSlideshows" ]; then
        echo "com.apple.ScreenSaver.iLifeSlideshows $(getUserDefaults "$user" "com.apple.ScreenSaver.iLifeSlideshows" | plutil -p -)"
        echo "com.apple.ScreenSaverPhotoChooser $(getUserDefaults "$user" "com.apple.ScreenSaverPhotoChooser" | plutil -p -)"
        return
    fi

    getUserDefaults "$user" "$bundleID" | plutil -p -
}

function getAerialName() {
    ID=$1
    IDLEASSETS=$(cat "/Library/Application Support/com.apple.idleassetsd/Customer/entries.json")
    read -r -d '' JXA <<EOF
function run() {
	var entries = JSON.parse(\`$IDLEASSETS\`);
	return entries.assets.find((asset) => asset.id === \`$ID\`).localizedNameKey;
}
EOF

    NAMEKEY=$( osascript -l 'JavaScript' <<< "${JXA}" )

    NAME=$( plutil -extract "$NAMEKEY" raw -o - "/Library/Application Support/com.apple.idleassetsd/Customer/TVIdleScreenStrings.bundle/en.lproj/Localizable.nocache.strings" )

    echo "${NAME}"
}

function getScreensaver() {
    user=$1
    screensaver=$(sudo -u "$user" /usr/bin/defaults -currentHost export "com.apple.screensaver" -)
    
    name=$(plutil -extract moduleDict.moduleName raw -o - - <<< "$screensaver")
    path=$(plutil -extract moduleDict.path raw -o - - <<< "$screensaver")
    settings=$(getScreensaverSettings "$user" "$path")

    printf "Name: \"%s\", Path: \"%s\", Settings: %s" "$name" "$file" "$settings"
}

if [[ $osVerMajor -ge 14 ]]; then
    getScreensaverSonoma "$loggedInUser"
else
    getScreensaver "$loggedInUser"
fi