forked from friendica/friendica-addons
373 lines
9.9 KiB
PHP
373 lines
9.9 KiB
PHP
<?php
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define("DAV_ACL_READ", "{DAV:}read");
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define("DAV_ACL_WRITE", "{DAV:}write");
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define("DAV_DISPLAYNAME", "{DAV:}displayname");
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define("DAV_CALENDARCOLOR", "{http://apple.com/ns/ical/}calendar-color");
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class DAVVersionMismatchException extends Exception {}
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class vcard_source_data_email
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{
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public $email, $type;
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function __construct($type, $email)
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{
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$this->email = $email;
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$this->type = $type;
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}
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}
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class vcard_source_data_homepage
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{
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public $homepage, $type;
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function __construct($type, $homepage)
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{
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$this->homepage = $homepage;
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$this->type = $type;
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}
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}
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class vcard_source_data_telephone
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{
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public $telephone, $type;
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function __construct($type, $telephone)
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{
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$this->telephone = $telephone;
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$this->type = $type;
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}
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}
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class vcard_source_data_socialnetwork
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{
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public $nick, $type, $url;
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function __construct($type, $nick, $url)
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{
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$this->nick = $nick;
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$this->type = $type;
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$this->url = $url;
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}
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}
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class vcard_source_data_address
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{
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public $street, $street2, $zip, $city, $country, $type;
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}
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class vcard_source_data_photo
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{
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public $binarydata;
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public $width, $height;
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public $type;
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}
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class vcard_source_data
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{
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function __construct($name_first, $name_middle, $name_last)
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{
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$this->name_first = $name_first;
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$this->name_middle = $name_middle;
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$this->name_last = $name_last;
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}
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public $name_first, $name_middle, $name_last;
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public $last_update;
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public $picture_data;
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/** @var array|vcard_source_data_telephone[] $telephones */
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public $telephones;
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/** @var array|vcard_source_data_homepage[] $homepages */
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public $homepages;
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/** @var array|vcard_source_data_socialnetwork[] $socialnetworks */
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public $socialnetworks;
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/** @var array|vcard_source_data_email[] $email */
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public $emails;
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/** @var array|vcard_source_data_address[] $addresses */
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public $addresses;
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/** @var vcard_source_data_photo */
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public $photo;
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}
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;
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/**
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* @param vcard_source_data $vcardsource
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* @return string
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*/
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function vcard_source_compile($vcardsource)
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{
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$str = "BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//" . DAV_APPNAME . "//DAV-Plugin//EN\r\n";
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$str .= "N:" . str_replace(";", ",", $vcardsource->name_last) . ";" . str_replace(";", ",", $vcardsource->name_first) . ";" . str_replace(";", ",", $vcardsource->name_middle) . ";;\r\n";
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$str .= "FN:" . str_replace(";", ",", $vcardsource->name_first) . " " . str_replace(";", ",", $vcardsource->name_middle) . " " . str_replace(";", ",", $vcardsource->name_last) . "\r\n";
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$str .= "REV:" . str_replace(" ", "T", $vcardsource->last_update) . "Z\r\n";
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$item_count = 0;
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for ($i = 0; $i < count($vcardsource->homepages); $i++) {
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if ($i == 0) $str .= "URL;type=" . $vcardsource->homepages[0]->type . ":" . $vcardsource->homepages[0]->homepage . "\r\n";
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else {
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$c = ++$item_count;
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$str .= "item$c.URL;type=" . $vcardsource->homepages[0]->type . ":" . $vcardsource->homepages[0]->homepage . "\r\n";
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$str .= "item$c.X-ABLabel:_\$!<HomePage>!\$_\r\n";
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}
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}
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if (is_object($vcardsource->photo)) {
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$data = base64_encode($vcardsource->photo->binarydata);
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$str .= "PHOTO;ENCODING=BASE64;TYPE=" . $vcardsource->photo->type . ":" . $data . "\r\n";
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}
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if (isset($vcardsource->socialnetworks) && is_array($vcardsource->socialnetworks)) foreach ($vcardsource->socialnetworks as $netw) switch ($netw->type) {
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case "dfrn":
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$str .= "X-SOCIALPROFILE;type=dfrn;x-user=" . $netw->nick . ":" . $netw->url . "\r\n";
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break;
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case "facebook":
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$str .= "X-SOCIALPROFILE;type=facebook;x-user=" . $netw->nick . ":" . $netw->url . "\r\n";
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break;
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case "twitter":
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$str .= "X-SOCIALPROFILE;type=twitter;x-user=" . $netw->nick . ":" . $netw->url . "\r\n";
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break;
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}
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$str .= "END:VCARD\r\n";
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return $str;
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}
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/**
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* @param int $phpDate (UTC)
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* @return string (Lokalzeit)
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*/
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function wdcal_php2MySqlTime($phpDate)
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{
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return date("Y-m-d H:i:s", $phpDate);
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}
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/**
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* @param string $sqlDate
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* @return int
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*/
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function wdcal_mySql2PhpTime($sqlDate)
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{
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$ts = DateTime::createFromFormat("Y-m-d H:i:s", $sqlDate);
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return $ts->format("U");
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}
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/**
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* @param string $myqlDate
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* @return array
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*/
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function wdcal_mySql2icalTime($myqlDate)
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{
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$x = explode(" ", $myqlDate);
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$y = explode("-", $x[0]);
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$ret = array("year"=> $y[0], "month"=> $y[1], "day"=> $y[2]);
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$y = explode(":", $x[1]);
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$ret["hour"] = $y[0];
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$ret["minute"] = $y[1];
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$ret["second"] = $y[2];
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return $ret;
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}
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/**
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* @param string $str
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* @return string
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*/
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function icalendar_sanitize_string($str = "")
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{
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return preg_replace("/[\\r\\n]+/siu", "\r\n", $str);
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}
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/**
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* @return Sabre_CalDAV_AnimexxCalendarRootNode
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*/
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function dav_createRootCalendarNode()
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{
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$backends = array(Sabre_CalDAV_Backend_Private::getInstance());
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foreach ($GLOBALS["CALDAV_PRIVATE_SYSTEM_BACKENDS"] as $backendclass) $backends[] = $backendclass::getInstance();
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return new Sabre_CalDAV_AnimexxCalendarRootNode(Sabre_DAVACL_PrincipalBackend_Std::getInstance(), $backends);
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}
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/**
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* @return Sabre_CardDAV_AddressBookRootFriendica
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*/
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function dav_createRootContactsNode()
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{
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$backends = array(Sabre_CardDAV_Backend_Std::getInstance());
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foreach ($GLOBALS["CARDDAV_PRIVATE_SYSTEM_BACKENDS"] as $backendclass) $backends[] = $backendclass::getInstance();
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return new Sabre_CardDAV_AddressBookRootFriendica(Sabre_DAVACL_PrincipalBackend_Std::getInstance(), $backends);
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}
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/**
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* @param bool $force_authentication
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* @param bool $needs_caldav
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* @param bool $needs_carddav
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* @return Sabre_DAV_Server
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*/
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function dav_create_server($force_authentication = false, $needs_caldav = true, $needs_carddav = true)
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{
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$arr = array(
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new Sabre_DAV_SimpleCollection('principals', array(
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new Sabre_CalDAV_Principal_Collection(Sabre_DAVACL_PrincipalBackend_Std::getInstance(), "principals/users"),
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)),
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);
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if ($needs_caldav) $arr[] = dav_createRootCalendarNode();
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if ($needs_carddav) $arr[] = dav_createRootContactsNode();
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$tree = new Sabre_DAV_SimpleCollection('root', $arr);
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// The object tree needs in turn to be passed to the server class
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$server = new Sabre_DAV_Server($tree);
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if (CALDAV_URL_PREFIX != "") $server->setBaseUri(CALDAV_URL_PREFIX);
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$authPlugin = new Sabre_DAV_Auth_Plugin(Sabre_DAV_Auth_Backend_Std::getInstance(), 'SabreDAV');
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$server->addPlugin($authPlugin);
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if ($needs_caldav) {
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$caldavPlugin = new Sabre_CalDAV_Plugin();
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$server->addPlugin($caldavPlugin);
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}
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if ($needs_carddav) {
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$carddavPlugin = new Sabre_CardDAV_Plugin();
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$server->addPlugin($carddavPlugin);
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}
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if ($GLOBALS["CALDAV_ACL_PLUGIN_CLASS"] != "") {
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$aclPlugin = new $GLOBALS["CALDAV_ACL_PLUGIN_CLASS"]();
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$aclPlugin->defaultUsernamePath = "principals/users";
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$server->addPlugin($aclPlugin);
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}
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if ($force_authentication) $server->broadcastEvent('beforeMethod', array("GET", "/")); // Make it authenticate
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return $server;
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}
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/**
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* @param Sabre_DAV_Server $server
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* @param string $with_privilege
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* @return array|Sabre_CalDAV_Calendar[]
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*/
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function dav_get_current_user_calendars(&$server, $with_privilege = "")
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{
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if ($with_privilege == "") $with_privilege = DAV_ACL_READ;
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$a = get_app();
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$calendar_path = "/calendars/" . strtolower($a->user["nickname"]) . "/";
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/** @var Sabre_CalDAV_AnimexxUserCalendars $tree */
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$tree = $server->tree->getNodeForPath($calendar_path);
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/** @var array|Sabre_CalDAV_Calendar[] $calendars */
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$children = $tree->getChildren();
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$calendars = array();
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/** @var Sabre_DAVACL_Plugin $aclplugin */
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$aclplugin = $server->getPlugin("acl");
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foreach ($children as $child) if (is_a($child, "Sabre_CalDAV_Calendar") || is_subclass_of($child, "Sabre_CalDAV_Calendar")) {
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if ($with_privilege != "") {
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$caluri = $calendar_path . $child->getName();
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if ($aclplugin->checkPrivileges($caluri, $with_privilege, Sabre_DAVACL_Plugin::R_PARENT, false)) $calendars[] = $child;
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} else {
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$calendars[] = $child;
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}
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}
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return $calendars;
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}
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/**
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* @param Sabre_DAV_Server $server
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* @param Sabre_CalDAV_Calendar $calendar
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* @param string $calendarobject_uri
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* @param string $with_privilege
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* @return null|Sabre\VObject\Component\VCalendar
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*/
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function dav_get_current_user_calendarobject(&$server, &$calendar, $calendarobject_uri, $with_privilege = "")
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{
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$obj = $calendar->getChild($calendarobject_uri);
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if ($with_privilege == "") $with_privilege = DAV_ACL_READ;
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$a = get_app();
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$uri = "/calendars/" . strtolower($a->user["nickname"]) . "/" . $calendar->getName() . "/" . $calendarobject_uri;
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/** @var Sabre_DAVACL_Plugin $aclplugin */
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$aclplugin = $server->getPlugin("acl");
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if (!$aclplugin->checkPrivileges($uri, $with_privilege, Sabre_DAVACL_Plugin::R_PARENT, false)) return null;
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$data = $obj->get();
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$vObject = Sabre\VObject\Reader::read($data);
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return $vObject;
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}
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/**
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* @param Sabre_DAV_Server $server
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* @param int $id
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* @param string $with_privilege
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* @return null|Sabre_CalDAV_Calendar
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*/
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function dav_get_current_user_calendar_by_id(&$server, $id, $with_privilege = "")
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{
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$calendars = dav_get_current_user_calendars($server, $with_privilege);
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$calendar = null;
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foreach ($calendars as $cal) {
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$prop = $cal->getProperties(array("id"));
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if (isset($prop["id"]) && $prop["id"] == $id) $calendar = $cal;
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}
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return $calendar;
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}
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/**
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* @param string $uid
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* @return Sabre\VObject\Component\VCalendar $vObject
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*/
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function dav_create_empty_vevent($uid = "")
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{
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$a = get_app();
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if ($uid == "") $uid = uniqid();
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return Sabre\VObject\Reader::read("BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//" . DAV_APPNAME . "//DAV-Plugin//EN\r\nBEGIN:VEVENT\r\nUID:" . $uid . "@" . dav_compat_get_hostname() .
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"\r\nDTSTAMP:" . date("Ymd") . "T" . date("His") . "Z\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n");
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}
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/**
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* @param Sabre\VObject\Component\VCalendar $vObject
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* @return Sabre\VObject\Component\VEvent|null
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*/
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function dav_get_eventComponent(&$vObject)
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{
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$component = null;
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$componentType = "";
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foreach ($vObject->getComponents() as $component) {
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if ($component->name !== 'VTIMEZONE') {
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$componentType = $component->name;
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break;
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}
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}
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if ($componentType != "VEVENT") return null;
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return $component;
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}
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