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

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<?php
$a = get_app();
$uri = parse_url($a->get_baseurl());
$path = "/";
if (isset($uri["path"]) && strlen($uri["path"]) > 1) {
$path = $uri["path"] . "/";
}
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define("CALDAV_SQL_DB", "");
define("CALDAV_SQL_PREFIX", "dav_");
define("CALDAV_URL_PREFIX", $path . "dav/");
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define("CALDAV_NAMESPACE_PRIVATE", 1);
define("CALDAV_FRIENDICA_MINE", "friendica-mine");
define("CALDAV_FRIENDICA_CONTACTS", "friendica-contacts");
$GLOBALS["CALDAV_PRIVATE_SYSTEM_CALENDARS"] = array(CALDAV_FRIENDICA_MINE, CALDAV_FRIENDICA_CONTACTS);
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define("CARDDAV_NAMESPACE_COMMUNITYCONTACTS", 1);
define("CARDDAV_NAMESPACE_PHONECONTACTS", 2);
define("CALDAV_DB_VERSION", 2);
define("CALDAV_MAX_YEAR", date("Y") + 5);
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/**
* @return int
*/
function getCurMicrotime()
{
list($usec, $sec) = explode(" ", microtime());
return sprintf("%14.0f", $sec * 10000 + $usec * 10000);
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} // function getCurMicrotime
/**
*
*/
function debug_time()
{
$cur = getCurMicrotime();
if ($GLOBALS["debug_time_last"] > 0) {
echo "Zeit: " . ($cur - $GLOBALS["debug_time_last"]) . "<br>\n";
}
$GLOBALS["debug_time_last"] = $cur;
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}
/**
* @param string $username
* @return int|null
*/
function dav_compat_username2id($username = "")
{
$x = q("SELECT `uid` FROM `user` WHERE `nickname`='%s' AND `account_removed` = 0 AND `account_expired` = 0", dbesc($username));
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if (count($x) == 1) return $x[0]["uid"];
return null;
}
/**
* @param int $id
* @return string
*/
function dav_compat_id2username($id = 0)
{
$x = q("SELECT `nickname` FROM `user` WHERE `uid` = %i AND `account_removed` = 0 AND `account_expired` = 0", IntVal($id));
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if (count($x) == 1) return $x[0]["nickname"];
return "";
}
/**
* @return int
*/
function dav_compat_get_curr_user_id()
{
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$a = get_app();
return IntVal($a->user["uid"]);
}
/**
* @param string $principalUri
* @return int|null
*/
function dav_compat_principal2uid($principalUri = "")
{
if (strlen($principalUri) == 0) return null;
if ($principalUri[0] == "/") $principalUri = substr($principalUri, 1);
if (strpos($principalUri, "principals/users/") !== 0) return null;
$username = substr($principalUri, strlen("principals/users/"));
return dav_compat_username2id($username);
}
/**
* @param string $principalUri
* @return array|null
*/
function dav_compat_principal2namespace($principalUri = "")
{
if (strlen($principalUri) == 0) return null;
if ($principalUri[0] == "/") $principalUri = substr($principalUri, 1);
if (strpos($principalUri, "principals/users/") !== 0) return null;
$username = substr($principalUri, strlen("principals/users/"));
return array("namespace" => CALDAV_NAMESPACE_PRIVATE, "namespace_id" => dav_compat_username2id($username));
}
function dav_compat_currentUserPrincipal() {
$a = get_app();
return "principals/users/" . strtolower($a->user["nickname"]);
}
/**
* @param string $name
* @return null|string
*/
function dav_compat_getRequestVar($name = "")
{
if (isset($_REQUEST[$name])) return $_REQUEST[$name];
else return null;
}
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/**
* @param $text
* @return null|string
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*/
function dav_compat_parse_text_serverside($text)
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{
return dav_compat_getRequestVar($text);
}
/**
* @param string $uri
*/
function dav_compat_redirect($uri = "")
{
goaway($uri);
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}
/**
* @return null|int
*/
function dav_compat_get_max_private_calendars()
{
return null;
}
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/**
* @param int $namespace
* @param int $namespace_id
* @param string $uri
* @param array $calendar
* @return Sabre_CalDAV_Backend_Common
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* @throws Exception
*/
function wdcal_calendar_factory($namespace, $namespace_id, $uri, $calendar = null)
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{
switch ($namespace) {
case CALDAV_NAMESPACE_PRIVATE:
if ($uri == CALDAV_FRIENDICA_MINE || $uri == CALDAV_FRIENDICA_CONTACTS) return Sabre_CalDAV_Backend_Friendica::getInstance();
else return Sabre_CalDAV_Backend_Private::getInstance();
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}
throw new Exception("Calendar Namespace not found");
}
/**
* @param int $calendar_id
* @return Sabre_CalDAV_Backend_Common
* @throws Exception
*/
function wdcal_calendar_factory_by_id($calendar_id) {
$calendar = Sabre_CalDAV_Backend_Common::loadCalendarById($calendar_id);
return wdcal_calendar_factory($calendar["namespace"], $calendar["namespace_id"], $calendar["uri"], $calendar);
}
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/**
*/
function wdcal_create_std_calendars()
{
$a = get_app();
if (!local_user()) return;
$uris = array(
'private' => t("Private Calendar"),
CALDAV_FRIENDICA_MINE => t("Friendica Events: Mine"),
CALDAV_FRIENDICA_CONTACTS => t("Friendica Events: Contacts"),
);
foreach ($uris as $uri => $name) {
$cals = q("SELECT * FROM %s%scalendars WHERE `namespace` = %d AND `namespace_id` = %d AND `uri` = '%s'",
CALDAV_SQL_DB, CALDAV_SQL_PREFIX, CALDAV_NAMESPACE_PRIVATE, $a->user["uid"], dbesc($uri));
if (count($cals) == 0) {
q("INSERT INTO %s%scalendars (`namespace`, `namespace_id`, `displayname`, `timezone`, `ctag`, `uri`, `has_vevent`, `has_vtodo`) VALUES (%d, %d, %d, '%s', '%s', 1, '%s', 1, 0)",
CALDAV_SQL_DB, CALDAV_SQL_PREFIX, CALDAV_NAMESPACE_PRIVATE, IntVal($a->user["uid"]), dbesc($name), dbesc($a->timezone), dbesc($uri)
);
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}
}
}