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101 lines
2.7 KiB
PHP
101 lines
2.7 KiB
PHP
<?php
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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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* @package Sabre
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* @subpackage CardDAV
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* @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved.
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* @author Evert Pot (http://www.rooftopsolutions.nl/)
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* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
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*/
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class Sabre_CardDAV_VCFExportPlugin extends Sabre_DAV_ServerPlugin {
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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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private $server;
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/**
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* Initializes the plugin and registers event handlers
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*
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* @param Sabre_DAV_Server $server
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* @return void
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*/
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public function initialize(Sabre_DAV_Server $server) {
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$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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* '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, $uri) {
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if ($method!='GET') return;
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if ($this->server->httpRequest->getQueryString()!='export') return;
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// splitting uri
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list($uri) = explode('?', $uri, 2);
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$node = $this->server->tree->getNodeForPath($uri);
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if (!($node instanceof Sabre_CardDAV_IAddressBook)) return;
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// Checking ACL, if available.
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if ($aclPlugin = $this->server->getPlugin('acl')) {
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$aclPlugin->checkPrivileges($uri, '{DAV:}read');
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}
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$this->server->httpResponse->setHeader('Content-Type', 'text/directory');
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$this->server->httpResponse->sendStatus(200);
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$nodes = $this->server->getPropertiesForPath($uri, array(
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'{' . Sabre_CardDAV_Plugin::NS_CARDDAV . '}address-data',
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), 1);
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$this->server->httpResponse->sendBody($this->generateVCF($nodes));
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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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* 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 $nodes) {
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$objects = array();
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foreach($nodes as $node) {
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if (!isset($node[200]['{' . Sabre_CardDAV_Plugin::NS_CARDDAV . '}address-data'])) {
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continue;
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}
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$nodeData = $node[200]['{' . Sabre_CardDAV_Plugin::NS_CARDDAV . '}address-data'];
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$objects[] = $nodeData;
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}
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return implode("\r\n", $objects);
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}
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}
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