git-svn-id: file:///home/shish/svn/shimmie2/trunk@869 7f39781d-f577-437e-ae19-be835c7a54ca
		
			
				
	
	
		
			132 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			132 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /**
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|  * Name: Extension Manager
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|  * Author: Shish <webmaster@shishnet.org>
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|  * Link: http://trac.shishnet.org/shimmie2/
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|  * License: GPLv2
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|  * Description: A thing for point & click extension management
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|  */
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| 
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| class ExtensionInfo { // {{{
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| 	var $ext_name, $name, $link, $author, $email, $description;
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| 
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| 	function ExtensionInfo($main) {
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| 		$matches = array();
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| 		$lines = file($main);
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| 		preg_match("#contrib/(.*)/main.php#", $main, $matches);
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| 		$this->ext_name = $matches[1];
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| 		$this->name = $this->ext_name;
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| 		$this->enabled = $this->is_enabled($this->ext_name);
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| 
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| 		for($i=0; $i<count($lines); $i++) {
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| 			$line = $lines[$i];
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| 			if(preg_match("/Name: (.*)/", $line, $matches)) {
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| 				$this->name = $matches[1];
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| 			}
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| 			if(preg_match("/Link: (.*)/", $line, $matches)) {
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| 				$this->link = $matches[1];
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| 			}
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| 			if(preg_match("/Author: (.*) [<\(](.*@.*)[>\)]/", $line, $matches)) {
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| 				$this->author = $matches[1];
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| 				$this->email = $matches[2];
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| 			}
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| 			else if(preg_match("/Author: (.*)/", $line, $matches)) {
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| 				$this->author = $matches[1];
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| 			}
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| 			if(preg_match("/(.*)Description: (.*)/", $line, $matches)) {
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| 				$this->description = $matches[2];
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| 				$start = $matches[1]." ";
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| 				$start_len = strlen($start);
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| 				while(substr($lines[$i+1], 0, $start_len) == $start) {
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| 					$this->description .= substr($lines[$i+1], $start_len);
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| 					$i++;
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| 				}
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| 			}
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| 			if(preg_match("/\*\//", $line, $matches)) {
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| 				break;
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| 			}
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| 		}
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| 	}
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| 
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| 	private function is_enabled($fname) {
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| 		return file_exists("ext/$fname");
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| 	}
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| } // }}}
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| 
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| class ExtManager extends Extension {
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| 	var $theme;
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| 
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| 	public function receive_event($event) {
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| 		if(is_null($this->theme)) $this->theme = get_theme_object("ext_manager", "ExtManagerTheme");
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| 		
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| 		if(is_a($event, 'PageRequestEvent') && ($event->page_name == "ext_manager")) {
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| 			if($event->user->is_admin()) {
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| 				if($event->get_arg(0) == "set") {
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| 					if(is_writable("ext")) {
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| 						$this->set_things($_POST);
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| 						$event->page->set_mode("redirect");
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| 						$event->page->set_redirect(make_link("ext_manager"));
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| 					}
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| 					else {
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| 						$this->theme->display_error($event->page, "File Operation Failed",
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| 							"The extension folder isn't writable by the web server :(");
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| 					}
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| 				}
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| 				else {
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| 					$this->theme->display_table($event->page, $this->get_extensions());
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| 				}
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| 			}
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| 		}
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| 
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| 		if(is_a($event, 'UserBlockBuildingEvent')) {
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| 			if($event->user->is_admin()) {
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| 				$event->add_link("Extension Manager", make_link("ext_manager"));
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| 			}
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| 		}
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| 	}
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| 
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| 	private function get_extensions() {
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| 		$extensions = array();
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| 		foreach(glob("contrib/*/main.php") as $main) {
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| 			$extensions[] = new ExtensionInfo($main);
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| 		}
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| 		return $extensions;
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| 	}
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| 
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| 	private function set_things($settings) {
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| 		foreach(glob("contrib/*/main.php") as $main) {
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| 			$matches = array();
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| 			preg_match("#contrib/(.*)/main.php#", $main, $matches);
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| 			$fname = $matches[1];
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| 
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| 			if(!isset($settings["ext_$fname"])) $settings["ext_$fname"] = 0;
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| 			$this->set_enabled($fname, $settings["ext_$fname"]);
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| 		}
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| 	}
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| 
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| 	private function set_enabled($fname, $enabled) {
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| 		if($enabled) {
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| 			// enable if currently disabled
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| 			if(!file_exists("ext/$fname")) {
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| 				if(function_exists("symlink")) {
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| 					// yes, even though we are in /, and thus the path to contrib is
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| 					// ./contrib, the link needs to be ../ because it is literal data
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| 					// which will be interpreted relative to ./ext/ by the OS
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| 					symlink("../contrib/$fname", "ext/$fname");
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| 				}
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| 				else {
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| 					full_copy("contrib/$fname", "ext/$fname");
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| 				}
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| 			}
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| 		}
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| 		else {
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| 			// disable if currently enabled
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| 			if(file_exists("ext/$fname")) {
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| 				deltree("ext/$fname");
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| 			}
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| 		}
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| 	}
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| }
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| add_event_listener(new ExtManager());
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| ?>
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