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A caldav client library by Jeppe Bob Dyrby .
This commit is contained in:
Jeppe Bob Dyrby
Andrew McMillan
parent
1b0f9c6890
commit
08a88dbdae
337
inc/caldav-client.php
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337
inc/caldav-client.php
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<?
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/**
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* A Class for connecting to a caldav server
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*
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* @package caldav
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* @author Jeppe Bob Dyrby <jeppe.dyrby@gmail.com>
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* @copyright Bob
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* @license http://gnu.org/copyleft/gpl.html GNU GPL v2
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*/
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class caldav {
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/**
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* Server, username, password, calendar
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*
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* @var string
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*/
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var $server, $user, $pass, $calendar;
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/**
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* Port number
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*
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* @var int
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*/
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var $port;
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/**
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* socket
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*
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* @var socket
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*/
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var $stream;
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/**
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* The useragent which is send to the caldav server
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*
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* @var string
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*/
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var $user_agent = 'ARTICMEDIA PULP Calendaring System';
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/**
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* array of options, what is allowed on the server
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*
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* @var array
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*/
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var $options = array();
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/**
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* Is access granted on this server? if false,
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* we wont try to log in.
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* This is automatic set, if the first login failes.
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*
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* @var bool
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*/
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var $granted = true;
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/**
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* Timeout for connection
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*
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* @var int
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*/
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var $timeout = 10;
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/**
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* The last error description
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*
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* @var mixed
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*/
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var $last_error = "";
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var $header = "";
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var $body = "";
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/**
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* Constructer, sets the server, username etc, and connects for the first time
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* to check for permissions and options
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*
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* @param string $server
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* @param string $calendar
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* @return bool
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*/
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function caldav($server,$calendar) {
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return $this->__construct($server,$calendar);
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}
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/**
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* Constructer, sets the server, username etc, and connects for the first time
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* to check for permissions and options
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*
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* @param string $server
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* @param string $calendar
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* @return bool
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*/
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function __construct($server,$calendar) {
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$this->server = parse_url($server);
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$this->user = $this->server['user'];
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$this->pass = $this->server['pass'];
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$this->port = $port = isset($this->server['port']) ? $this->server['port'] : 80;
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$this->setCalendar($calendar);
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$test = $this->sendRequest('OPTIONS');
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if ($test) {
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$this->granted = true;
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} else {
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$this->granted = false;
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}
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return true;
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}
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/**
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* Sets the calender, if it is changed
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*
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* @param string $calendar
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*/
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function setCalendar($calendar) {
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$this->calendar = $calendar;
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}
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/**
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* Initiases the connection
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*
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* @param string $do
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* @param string $content
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* @param string $mime
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* @return mixed
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*/
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function sendRequest($do,$content=null,$mime=null) {
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$headers = $this->createHeader($do,$content,$mime);
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//echo $headers;
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$return = $this->open($headers);
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if ($return != false) {
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$return = split("\r\n\r\n",$return);
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$headers = $return[0];
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unset($return[0]);
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$body = implode("\r\n\r\n",$return);
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$result = $this->parseResult($do,$headers,$body);
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$this->close();
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if (!is_array($result)) return false;
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$this->header = $result[0];
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$this->body = $result[1];
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return true;
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} else {
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$this->close();
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return false;
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}
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}
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function sendPROPFIND() {
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$xml = '<?xml version="1.0"?><D:propfind xmlns:D="DAV:"><D:prop><D:resourcetype/></D:prop></D:propfind>';
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$this->sendRequest('PROPFIND',$xml,'text/xml');
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$urlList = Array();
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$xml = new SimpleXMLElement($this->body,LIBXML_NOWARNING);
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foreach ($xml->response as $rep) {
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$urlList[] = (string)$rep->href;
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}
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return $urlList;
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}
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function sendPUT_CREATION($content) {
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$uid = $this->getUniqueUID();
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$this->setCalendar((string)($this->calendar.$uid.'.ics'));
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echo $this->calendar;
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$this->sendRequest('PUT',$content,'text/icalendar');
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}
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function sendPUT_UPDATE($content,$uid) {
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$this->setCalendar((string)($this->calendar.$uid));
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echo $this->calendar;
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$this->sendRequest('PUT',$content,'text/icalendar');
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}
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function getUniqueUID(){
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//return (string)('uuid'.time().rand(100,999));
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return md5(uniqid('',true));
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}
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/**
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* Trims array values
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*
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* @param unknown_type $item
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* @param unknown_type $key
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*/
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function aTrim(&$item,$key) {
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if (is_array($item)) {
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array_walk($item,array(&$this,'aTrim'));
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} else {
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$item = trim($item);
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}
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}
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/**
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* Parses the returned headers, and the body
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*
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* @param string $do
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* @param string $headers
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* @param string $body
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* @return mixed
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*/
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function parseResult($do,$headers,$body) {
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//echo "\r\n".$headers."\r\n\r\n";
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$headers = explode("\r\n",$headers);
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if (!strpos($headers[0],'401') && !strpos($headers[0],'404')) {
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$nh = array();
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foreach ($headers as $line) {
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$tmp = explode(":",$line);
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$nh[$tmp[0]] = $tmp[1];
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}
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$headers = $nh;
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$headers['Content-Type'] = explode("; ",$headers['Content-Type']);
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if (strtoupper($do) == 'OPTIONS') $headers['Allow'] = explode(",",$headers['Allow']);
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$t = $this;
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if (function_exists("array_walk_recursive")) {
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array_walk_recursive($headers,array(&$this,'aTrim'));
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} else {
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array_walk($headers,array(&$this,'aTrim'));
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}
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if ($headers['Allow']) {
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$this->options = $headers['Allow'];
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}
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//print_r($headers);
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$body = utf8_decode($body);
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return array($headers,$body);
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} else {
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$this->last_error = $headers[0] ." - ".$body;
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return false;
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}
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}
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/**
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* Opens the connection, and writes to the server
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*
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* @param string $headers
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* @return string
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*/
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function open($headers) {
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if ($this->granted == true) {
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$this->stream = fsockopen($this->server['host'],$this->port,&$errno,&$errstr,$this->timeout);
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if (!$this->stream) {
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$this->last_error = "$errno:\t$errstr";
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$this->granted = false;
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$this->close();
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return false;
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}
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if (function_exists("stream_get_contents"))
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stream_set_timeout($this->stream, $this->timeout);
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$test = fwrite($this->stream, $headers, strlen($headers));
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if ($test != strlen($headers)) {
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$this->close();
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return false;
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} else {
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if (function_exists("stream_get_contents")) {
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return stream_get_contents($this->stream);
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} else {
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$c = "";
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while (!feof($this->stream)) {
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$c .= fread($this->stream, 1024);
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}
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return $c;
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}
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}
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} else {
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return false;
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}
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}
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/**
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* Closes connection, should clean up too
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*
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*/
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function close() {
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fclose($this->stream);
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}
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/**
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* Creates headers for the Caldav server, including content
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*
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* @param string $do
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* @param string $content
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* @param string $mime
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* @return string
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*/
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function createHeader($do,$content=null,$mime=null) {
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if (strtoupper($do) != 'OPTIONS') {
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if (!in_array(strtoupper($do),$this->options)) return;
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}
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$headers = array();
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$headers[] = strtoupper($do)." ".$this->calendar." HTTP/1.0";
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$headers[] = "Host: ".$this->server['host'];
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$headers[] = "User-Agent: ".$this->user_agent;
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if ($mime) $headers[] = "Content-Type: ".$mime."; charset=\"utf-8\"";
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if ($content) {
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$content .= "\r\n";
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$headers[] .= "Content-Length: ".strlen($content);
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}
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if ($this->user && $this->pass) $headers[] = "Authorization: Basic ".base64_encode("$this->user:$this->pass");
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$headers[] = "Connection: close";
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$headers[] = "";
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$headers[] = "";
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if ($content) $headers[] = $content;
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//return wordwrap(implode("\r\n",$headers),76);
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return implode("\r\n",$headers);
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}
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}
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$c = new caldav('http://jonathan:phoenix@10.0.1.30','/caldav/caldav.php/jonathan/');
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$icsStream =
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"BEGIN:VCALENDAR
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PRODID:-//Mozilla Calendar//NONSGML Sunbird//EN
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VERSION:2.0
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BEGIN:VEVENT
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CREATED:20070524T090157Z
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LAST-MODIFIED:20070524T090208Z
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DTSTAMP:20070524T090208Z
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UID:uuid1179997317576
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SUMMARY:nox updated
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DTSTART;TZID=/mozilla.org/20070129_1/Africa/Ceuta:20070524T090000
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DTEND;TZID=/mozilla.org/20070129_1/Africa/Ceuta:20070524T100000
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X-MOZ-LOCATIONPATH:uuid1179997317576.ics
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LOCATION;LANGUAGE=fr;ENCODING=QUOTED-PRINTABLE:ii
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END:VEVENT
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BEGIN:VTIMEZONE
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TZID:/mozilla.org/20070129_1/Africa/Ceuta
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X-LIC-LOCATION:Africa/Ceuta
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BEGIN:DAYLIGHT
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TZOFFSETFROM:+0100
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TZOFFSETTO:+0200
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TZNAME:CEST
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DTSTART:19700329T020000
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RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=-1SU;BYMONTH=3
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END:DAYLIGHT
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BEGIN:STANDARD
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TZOFFSETFROM:+0200
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TZOFFSETTO:+0100
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TZNAME:CET
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DTSTART:19701025T030000
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RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=-1SU;BYMONTH=10
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END:STANDARD
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END:VTIMEZONE
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END:VCALENDAR";
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$xml =
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'<?xml version="1.0"?><D:propfind xmlns:D="DAV:"><D:prop><D:resourcetype/></D:prop></D:propfind>';
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//$c->sendRequest('PUT',$icsStream,'text/icalendar');
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//$c->sendRequest('PUT',$icsStream,'text/icalendar');
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//echo(print_r($c->header).'****'.$c->body);
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$c->sendPUT_UPDATE($icsStream,'uuid1180017338347.ics');
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//$c->sendRequest('PUT',$icsStream,'text/icalendar');
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//$c->sendPUT()
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//echo($c->getUniqueUID());
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?>
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