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class.iCloudCalendar.class.php
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<?php
/**
* php iCloud Calendar class
*
* Copyright by Emanuel zuber <[email protected]>
* Version 0.1
*/
/**
* php iCloud Calendar class
*
* @author Emanuel Zuber <[email protected]>
* @link https://github.com/zubini/php_icloud_calendar/
*/
class php_icloud_calendar {
/**
* @var string
* @access private
*/
var $server;
/**
* @var string
* @access private
*/
var $user_id;
/**
* @var string
* @access private
*/
var $calendar_id;
/**
* @var string
* @access private
*/
var $username;
/**
* @var string
* @access private
*/
var $password;
/**
* Constructor
*
* @access public
* @param string $server
* @param string $user_id
* @param string $calendar_id
* @param string $username
* @param string $password
* @return void
*/
public function __construct($server, $user_id, $calendar_id, $username, $password) {
$this->server = $server;
$this->user_id = $user_id;
$this->calendar_id = $calendar_id;
$this->username = $username;
$this->password = $password;
}
/**
* Get iCloud events.
*
* @param string $date_time_range_from Format: yyyy-mm-dd HH:ii:ss
* @param string $date_time_range_to Format: yyyy-mm-dd HH:ii:ss
* @access public
* @return array|FALSE
*/
public function get_events($date_time_range_from, $date_time_range_to) {
// Do CalDAV request to iCloud
$request_body = '<?xml version="1.0" encoding="utf-8" ?>';
$request_body .= '<c:calendar-query xmlns:d="DAV:" xmlns:c="urn:ietf:params:xml:ns:caldav">';
$request_body .= ' <d:prop>';
$request_body .= ' <c:calendar-data />';
$request_body .= ' </d:prop>';
$request_body .= ' <c:filter>';
$request_body .= ' <c:comp-filter name="VCALENDAR">';
$request_body .= ' <c:comp-filter name="VEVENT">';
$request_body .= ' <c:time-range start="%sZ" end="%sZ"/>';
$request_body .= ' </c:comp-filter>';
$request_body .= ' </c:comp-filter>';
$request_body .= ' </c:filter>';
$request_body .= '</c:calendar-query>';
$request_body = sprintf($request_body, date('Ymd\THis', strtotime($date_time_range_from)), date('Ymd\THis', strtotime($date_time_range_to)));
$caldav_answer = $this->_do_report_request($request_body);
// Load XML into php array
$caldav_answer_object = simplexml_load_string($caldav_answer, 'SimpleXMLElement', LIBXML_NOCDATA);
$caldav_answer_array = $this->_object2array($caldav_answer_object);
// Iter events
if (is_array($caldav_answer_array) && count($caldav_answer_array) > 0) {
if (is_array($caldav_answer_array['response']) && count($caldav_answer_array['response']) > 0) {
// Get ICS content
$ics_content = '';
foreach($caldav_answer_array['response'] as $event) {
if (isset($event['propstat']['prop']['calendar-data'])) {
$ics_content .= $event['propstat']['prop']['calendar-data'];
}
}
//
if (!empty($ics_content)) {
$ics_content = explode("\n", $ics_content);
$ics = new ICal($ics_content);
// Return events
return $ics->events();
}
}
}
return FALSE;
}
/**
* Add new iCloud event.
*
* @access public
* @param string $date_time_from Format: yyyy-mm-dd HH:ii:ss
* @param string $date_time_to Format: yyyy-mm-dd HH:ii:ss
* @param string $title
* @param string $description (Optional)
* @param string $location (Optional)
* @return string
*/
public function add_event($date_time_from, $date_time_to, $title, $description = null, $location = null) {
// Set random event_id
$event_id = md5('event-'.rand(1000000, 9999999).time());
// Get unique event url
$event_url = $this->_get_add_event_url($event_id);
// Set date start / date end
$tstart = gmdate("Ymd\THis\Z", strtotime($date_time_from));
$tend = gmdate("Ymd\THis\Z", strtotime($date_time_to));
// Set current timestamp
$tstamp = gmdate("Ymd\THis\Z");
// Build ICS content
$body = "BEGIN:VCALENDAR\n";
$body .= "VERSION:2.0\n";
$body .= "BEGIN:VEVENT\n";
$body .= "DTSTAMP:".$tstamp."\n";
$body .= "DTSTART:".$tstart."\n";
$body .= "DTEND:".$tend."\n";
$body .= "UID:".$event_id."\n";
if (!empty($description)) {
$body .= "DESCRIPTION:".$description."\n";
}
if (!empty($location)) {
$body .= "LOCATION:".$location."\n";
}
if (!empty($title)) {
$body .= "SUMMARY:".$title."\n";
}
$body .= "END:VEVENT\n";
$body .= "END:VCALENDAR\n";
// Do request
$this->_do_put_request($event_url, $body);
return $event_id;
}
// TODO
public function modify_event() {
// ...
}
// TODO
public function remove_event() {
// ...
}
/**
* Getting add event url.
*
* @access private
* @param string $event_id
* @return string
*/
private function _get_add_event_url($event_id) {
return 'https://'.$this->server.'-caldav.icloud.com/'.$this->user_id.'/calendars/'.$this->calendar_id.'/'.$event_id.'.ics';
}
/**
* Do a CalDAV PUT request to add an iCloud event.
*
* @access private
* @param string $url
* @param string $data
* @return string
*/
private function _do_put_request($url, $data) {
// Initialize cURL
$c = curl_init($url);
// Set headers
curl_setopt($c, CURLOPT_HTTPHEADER, array( "Depth: 1",
"Content-Type: text/calendar; charset='UTF-8'",
"If-None-Match: *",
"User-Agent: DAVKit/4.0.1 (730); CalendarStore/4.0.1 (973); iCal/4.0.1 (1374); Mac OS X/10.6.2 (10C540)"
));
curl_setopt($c, CURLOPT_HEADER, 0);
// Set SSL options
curl_setopt($c, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($c, CURLOPT_SSL_VERIFYPEER, 0);
// Set HTTP authentication
curl_setopt($c, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
curl_setopt($c, CURLOPT_USERPWD, $this->username.":".$this->password);
// Set PUT request
curl_setopt($c, CURLOPT_CUSTOMREQUEST, "PUT");
curl_setopt($c, CURLOPT_POSTFIELDS, $data);
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
// Execute and return value
$data = curl_exec($c);
curl_close($c);
return $data;
}
/**
* Do a CalDAV REPORT request to get iCloud events.
*
* @access private
* @param mixed $data
* @return string
*/
private function _do_report_request($data) {
// Set url
$url = 'https://'.$this->server.'-caldav.icloud.com/'.$this->user_id.'/calendars/'.$this->calendar_id.'/';
// Initialize cURL
$c = curl_init($url);
// Set headers
curl_setopt($c, CURLOPT_HTTPHEADER, array( "Depth: 1",
"Content-Type: text/xml; charset='UTF-8'",
"User-Agent: DAVKit/4.0.1 (730); CalendarStore/4.0.1 (973); iCal/4.0.1 (1374); Mac OS X/10.6.2 (10C540)"
));
curl_setopt($c, CURLOPT_HEADER, 0);
// Set SSL options
curl_setopt($c, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($c, CURLOPT_SSL_VERIFYPEER, 0);
// Allow HTTP authentication
curl_setopt($c, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
curl_setopt($c, CURLOPT_USERPWD, $this->username.":".$this->password);
// Set PUT request
curl_setopt($c, CURLOPT_CUSTOMREQUEST, "REPORT");
//curl_setopt($c, CURLOPT_CUSTOMREQUEST, "PROPFIND");
curl_setopt($c, CURLOPT_POSTFIELDS, $data);
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
// Execute and return value
$data = curl_exec($c);
curl_close($c);
return $data;
}
/**
* Return an assoziative array from a php object.
*
* @access private
* @param object $object
* @return array
*/
private function _object2array($object) {
return @json_decode(@json_encode($object),1);
}
}