AppleScript written in JavaScript to get printers from Active Directory and present them in a GUI based list in order to add via the lpadmin command

PrinterChooser.applescript.js

#!/usr/bin/osascript -l JavaScript
// version 1.1 - 2024 - Simon Andersen

let APP = Application.currentApplication()
APP.includeStandardAdditions = true

function readDefaults(plistfile,propertyKey) {
	let theresult = undefined;
	try {
		theresult = APP.doShellScript("defaults read '"+plistfile+"' '"+propertyKey+"'");
	}
	catch (e) {
		;
	}
	return theresult;
}

function getADDomain() {
	
	var ADDOMAIN = undefined;
	
	if (ADDOMAIN === undefined) {
		ADDOMAIN = readDefaults("/Library/Managed Preferences/com.trusourcelabs.NoMAD.plist","ADDomain");
	}
	if (ADDOMAIN === undefined) {
		ADDOMAIN = readDefaults("/Library/Preferences/com.trusourcelabs.NoMAD.plist","ADDomain")
	}
	if (ADDOMAIN === undefined) {
		ADDOMAIN = readDefaults("/Library/Managed Preferences/menu.nomad.login.ad.plist","ADDomain")
	}
	if (ADDOMAIN === undefined) {
		ADDOMAIN = readDefaults("/Library/Preferences/menu.nomad.login.ad.plist","ADDomain")
	}
	if (ADDOMAIN === undefined) {
		throw new Error("No Active Directory domain specified.")
	}
	return ADDOMAIN
}

function naiveLDIFParse(lines) {
	let records = [];
	let newrecord = {};
	let previousline = "";
	for (i in lines) {
		
		let line = lines[i];
		
		if (line.startsWith(" ")) {
			line = previousline+line.substring(1)
			
		}
		if (line.startsWith("dn: ")) {
	
			newrecord["dn"]= line.substring(4)
		}
		else if (line.match(/^[a-zA-Z]+: /)) {
			attrname = line.substring(0,line.search(':'));
			newrecord[attrname] = line.substring(attrname.length+2);
		}
		if (line == "") {
			if (Object.keys(newrecord).includes("dn")) {
				records.push(newrecord)
			}
			newrecord = {}
		}
		previousline = line;
	}
	return records;
}

function main() {
	var ADDOMAIN = getADDomain();
	try {
	
		let BASE = APP.doShellScript("ldapsearch -Y GSSAPI -h "+ADDOMAIN+" -s base '(objectClass=*)' defaultNamingContext | sed -Ene 's/^defaultNamingContext: //p'")
		let RESULT = APP.doShellScript("ldapsearch -Y GSSAPI -h "+ADDOMAIN+" -s sub -b "+BASE+" '(objectClass=printQueue)' serverName printShareName description location driverName")
		
		let lines = ObjC.unwrap(RESULT).split('\r');
		
		let records = naiveLDIFParse(lines);
		
		if (records.length == 0 ) {
			APP.displayAlert("No network printers found.",{"as":"warning"});
			return;
		}
		
		records.sort((a,b) => a["printShareName"].localeCompare(b["printShareName"]))
		
		let THERESULT = APP.chooseFromList(records.map((x) => x["printShareName"]),{"withPrompt":"Please select a network printer"})
		if (! THERESULT) {
			console.log( "User cancelled");
			return;
		}
		
		let CHOSENPRINTER = records.filter((x) => x["printShareName"] == THERESULT)[0];
		
		let printername = CHOSENPRINTER["printShareName"];
		let location = CHOSENPRINTER["location"];
		APP.doShellScript("lpadmin -p '"+CHOSENPRINTER["printShareName"]+"' -D '"+printername+"' -L '"+location+"' -m 'drv:///sample.drv/generic.ppd' -v 'smb://"+CHOSENPRINTER["serverName"]+"/"+CHOSENPRINTER["printShareName"]+"' -o printer-is-shared=false -E");
		APP.openLocation("file:///System/Library/PreferencePanes/PrintAndScan.prefPane");
	}
	catch (e) {
		if (e.toString() == "Error: ldap_sasl_interactive_bind_s: Can't contact LDAP server (-1)" ) {
			APP.displayAlert("Domain Controller unreachable.",{"as":"critical"});
			return;
		}
		APP.displayAlert("An unexpected error occured.",{"as":"critical","message":e.toString()});
	}
}

main();