48 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			48 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/**
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 * Name: Downtime
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 * Author: Shish <webmaster@shishnet.org>
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 * License: GPLv2
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 * Description: Show a "down for maintenance" page
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 */
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class Downtime implements Extension {
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	var $theme;
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	public function receive_event(Event $event) {
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		global $config, $database, $page, $user;
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		if(is_null($this->theme)) $this->theme = get_theme_object($this);
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		if($event instanceof SetupBuildingEvent) {
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			$sb = new SetupBlock("Downtime");
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			$sb->add_bool_option("downtime", "Disable non-admin access: ");
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			$sb->add_longtext_option("downtime_message", "<br>");
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			$event->panel->add_block($sb);
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		}
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		if($event instanceof PageRequestEvent) {
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			if($config->get_bool("downtime")) {
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				$this->check_downtime($event);
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				$this->theme->display_notification($page);
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			}
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		}
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	}
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	private function check_downtime(PageRequestEvent $event) {
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		global $user, $config;
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		if($config->get_bool("downtime") && !$user->is_admin() &&
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				($event instanceof PageRequestEvent) && !$this->is_safe_page($event)) {
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			$msg = $config->get_string("downtime_message");
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			$this->theme->display_message($msg);
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		}
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	}
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	private function is_safe_page(PageRequestEvent $event) {
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		if($event->page_matches("user_admin/login")) return true;
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		else return false;
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	}
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}
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add_event_listener(new Downtime(), 10);
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?>
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