--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/host/admin/src/private/lib/Utils.luan	Fri Jul 04 10:25:38 2025 -0600
@@ -0,0 +1,77 @@
+local Config = require "site:/private/Config.luan"
+local Hosted = require "luan:host/Hosted.luan"
+Hosted.no_security and Hosted.no_security(Config.hosting_password)
+require "java"
+local Luan = require "luan:Luan.luan"
+local error = Luan.error
+local ipairs = Luan.ipairs or error()
+local Io = require "luan:Io.luan"
+local uri = Io.uri or error()
+local String = require "luan:String.luan"
+local regex = String.regex or error()
+local sub_string = String.sub or error()
+local Http = require "luan:http/Http.luan"
+local Mail = require "luan:mail/Mail.luan"
+local Logging = require "luan:logging/Logging.luan"
+local logger = Logging.logger "Utils"
+
+
+local Utils = {}
+
+Utils.domain = Http.domain or "admin.me.luan.software"
+
+Utils.server_domain = regex([[^admin\.(\w+\Q.luan.software\E)$]]).matches(Utils.domain) or error "invalid domain"
+
+Utils.sites_dir = uri(Http.dir).parent().parent()
+
+local send = Mail.sender{
+	host = "mail.smtp2go.com"
+	port = 465
+	username = "luan.admin2"
+	password = Config.mail_password or error()
+}.send
+
+function Utils.send_mail(mail)
+	mail.From = mail.From or Utils.domain.."<monitor@luan.software>"
+	mail.To = mail.To or Config.email_to or error()
+	send(mail)
+end
+
+function Utils.ssh(host,cmd)
+	local cmd = "ssh -t -oConnectTimeout=10 -oServerAliveInterval=10 -oBatchMode=yes -oStrictHostKeyChecking=no -p 14299 administrator@"..host.." '"..cmd.."'"
+	local con = uri("bash:"..cmd)
+	return con.read_text()
+end
+
+local function last_modified_in_dir(dir)
+	local rtn = 0
+	for _, child in ipairs(dir.children()) do
+		local lm = nil
+		if child.is_directory() then
+			lm = last_modified_in_dir(child)
+		elseif child.is_file() then
+			lm = child.last_modified()
+		end
+		if lm ~= nil and lm > rtn then
+			rtn = lm
+		end
+	end
+	return rtn
+end
+Utils.last_modified_in_dir = last_modified_in_dir
+
+
+local luanhost_logs = uri "site:/private/local/logs/luanhost"
+if not luanhost_logs.exists() then
+	local logs = uri("file:logs").canonical()
+	--logs.mkdir()  -- must exist
+	if logs.exists() then
+		logs.symlink_from(luanhost_logs)
+		logger.info "linked to luanhost logs"
+	else
+		logger.error("logs dir doesn't exist")
+	end
+end
+
+
+return Utils