Jira announcement banner: Notification that this is a production environment and disabling plugin install

Notification that this is a production environment.js

<script>
	AJS.toInit(() => {
		var baseUrl = "http://localhost:2990/jira"
		var upmUrl = "/plugins/servlet/upm"
		var worklfowUrl = "/secure/admin/workflows"
    
		function isWorkingTime(){
			return new Date().getHours() > 7 && new Date().getHours() < 22
		}

		function showAdminAlert(){
			alert("Attention! it is prod system");	
		}
  
		function showAdminBanner(){
			AJS.messages.error(".generalAdminHeading, #upm-link-bar", {
		    	title: 'THIS IS A PROD SYSTEM!!!',
		    	body: ''
			});
		}

		if(window.location.href.indexOf(baseUrl) >= 0){
		    if(window.location.href.indexOf(upmUrl) >= 0){
		    	
		    	if(isWorkingTime()){
		    		showAdminAlert()
		    		showAdminBanner();
		    		
			        AJS.$('.upm-update-all-item, #upm-update-all, #upm-upload').remove();
			        AJS.$('#upm-manage-container').hide()
			    	
		    	}
		    } else if(window.location.href.indexOf(worklfowUrl) >= 0){
		    	if(isWorkingTime()){
		    		showAdminAlert()
					showAdminBanner();
		    	}
		    }
		}
	})
</script>

https://community.atlassian.com/t5/Northern-Virginia/what-was-I-thinking/gpm-p/1470858