109 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			PHP
		
	
	
	
			
		
		
	
	
			109 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			PHP
		
	
	
	
| <?php
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| 
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| namespace Sabre\CardDAV;
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| 
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| use Sabre\DAV;
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| use Sabre\VObject;
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| 
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| /**
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|  * VCF Exporter
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|  *
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|  * This plugin adds the ability to export entire address books as .vcf files.
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|  * This is useful for clients that don't support CardDAV yet. They often do
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|  * support vcf files.
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|  *
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|  * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/).
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|  * @author Evert Pot (http://evertpot.com/)
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|  * @author Thomas Tanghus (http://tanghus.net/)
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|  * @license http://sabre.io/license/ Modified BSD License
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|  */
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| class VCFExportPlugin extends DAV\ServerPlugin {
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| 
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|     /**
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|      * Reference to Server class
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|      *
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|      * @var Sabre\DAV\Server
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|      */
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|     protected $server;
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| 
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|     /**
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|      * Initializes the plugin and registers event handlers
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|      *
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|      * @param DAV\Server $server
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|      * @return void
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|      */
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|     public function initialize(DAV\Server $server) {
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| 
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|         $this->server = $server;
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|         $this->server->subscribeEvent('beforeMethod',array($this,'beforeMethod'), 90);
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| 
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|     }
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| 
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|     /**
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|      * 'beforeMethod' event handles. This event handles intercepts GET requests ending
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|      * with ?export
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|      *
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|      * @param string $method
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|      * @param string $uri
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|      * @return bool
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|      */
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|     public function beforeMethod($method, $uri) {
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| 
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|         if ($method!='GET') return;
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|         if ($this->server->httpRequest->getQueryString()!='export') return;
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| 
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|         // splitting uri
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|         list($uri) = explode('?',$uri,2);
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| 
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|         $node = $this->server->tree->getNodeForPath($uri);
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| 
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|         if (!($node instanceof IAddressBook)) return;
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| 
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|         // Checking ACL, if available.
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|         if ($aclPlugin = $this->server->getPlugin('acl')) {
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|             $aclPlugin->checkPrivileges($uri, '{DAV:}read');
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|         }
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| 
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|         $this->server->httpResponse->setHeader('Content-Type','text/directory');
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|         $this->server->httpResponse->sendStatus(200);
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| 
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|         $nodes = $this->server->getPropertiesForPath($uri, array(
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|             '{' . Plugin::NS_CARDDAV . '}address-data',
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|         ),1);
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| 
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|         $this->server->httpResponse->sendBody($this->generateVCF($nodes));
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| 
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|         // Returning false to break the event chain
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|         return false;
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| 
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|     }
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| 
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|     /**
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|      * Merges all vcard objects, and builds one big vcf export
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|      *
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|      * @param array $nodes
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|      * @return string
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|      */
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|     public function generateVCF(array $nodes) {
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| 
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|         $output = "";
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| 
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|         foreach($nodes as $node) {
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| 
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|             if (!isset($node[200]['{' . Plugin::NS_CARDDAV . '}address-data'])) {
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|                 continue;
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|             }
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|             $nodeData = $node[200]['{' . Plugin::NS_CARDDAV . '}address-data'];
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| 
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|             // Parsing this node so VObject can clean up the output.
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|             $output .=
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|                VObject\Reader::read($nodeData)->serialize();
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| 
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|         }
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| 
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|         return $output;
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| 
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|     }
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| 
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| }
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