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friendica-addons/dav/common/calendar.fnk.php

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