Official Addons for the Friendica Communications Platform. (please note that this is a clone of the repository at github, issues are handled there)
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<?php
use Friendica\Core\Addon;
use Friendica\Module\Login;
use Friendica\Util\Emailer;
require_once('include/security.php');
function dav_install()
{
Addon::registerHook('event_created', 'addon/dav/dav.php', 'dav_event_created_hook');
Addon::registerHook('event_updated', 'addon/dav/dav.php', 'dav_event_updated_hook');
Addon::registerHook('profile_tabs', 'addon/dav/dav.php', 'dav_profile_tabs_hook');
Addon::registerHook('cron', 'addon/dav/dav.php', 'dav_cron');
}
function dav_uninstall()
{
Addon::unregisterHook('event_created', 'addon/dav/dav.php', 'dav_event_created_hook');
Addon::unregisterHook('event_updated', 'addon/dav/dav.php', 'dav_event_updated_hook');
Addon::unregisterHook('profile_tabs', 'addon/dav/dav.php', 'dav_profile_tabs_hook');
Addon::unregisterHook('cron', 'addon/dav/dav.php', 'dav_cron');
}
function dav_module()
{
}
function dav_include_files()
{
require_once (__DIR__ . "/../SabreDAV/lib/Sabre/autoload.php");
require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Node.php");
require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Element.php");
require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Component.php");
require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/DateTimeParser.php");
require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/ElementList.php");
require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/FreeBusyGenerator.php");
require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Parameter.php");
require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/ParseException.php");
require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Property.php");
require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Reader.php");
require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/RecurrenceIterator.php");
require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/TimeZoneUtil.php");
require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Version.php");
require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Property/DateTime.php");
require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Property/MultiDateTime.php");
require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Component/VAlarm.php");
require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Component/VCalendar.php");
require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Component/VEvent.php");
require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Component/VJournal.php");
require_once (__DIR__ . "/../sabre-vobject/lib/Sabre/VObject/Component/VTodo.php");
require_once (__DIR__ . "/../common/calendar.fnk.php");
require_once (__DIR__ . "/../common/calendar_rendering.fnk.php");
require_once (__DIR__ . "/../common/dav_caldav_backend_common.inc.php");
require_once (__DIR__ . "/../common/dav_caldav_backend_private.inc.php");
require_once (__DIR__ . "/../common/dav_caldav_backend_virtual.inc.php");
require_once (__DIR__ . "/../common/dav_caldav_root.inc.php");
require_once (__DIR__ . "/../common/dav_user_calendars.inc.php");
require_once (__DIR__ . "/../common/dav_caldav_calendar_virtual.inc.php");
require_once (__DIR__ . "/../common/dav_caldav_calendar_private.inc.php");
require_once (__DIR__ . "/../common/dav_carddav_root.inc.php");
require_once (__DIR__ . "/../common/dav_carddav_backend_common.inc.php");
require_once (__DIR__ . "/../common/dav_carddav_backend_virtual.inc.php");
require_once (__DIR__ . "/../common/dav_carddav_backend_private.inc.php");
require_once (__DIR__ . "/../common/dav_user_addressbooks.inc.php");
require_once (__DIR__ . "/../common/wdcal_configuration.php");
require_once (__DIR__ . "/../common/wdcal_backend.inc.php");
require_once (__DIR__ . "/dav_friendica_principal.inc.php");
require_once (__DIR__ . "/dav_friendica_auth.inc.php");
require_once (__DIR__ . "/dav_carddav_backend_virtual_friendica.inc.php");
require_once (__DIR__ . "/dav_caldav_backend_virtual_friendica.inc.php");
require_once (__DIR__ . "/FriendicaACLPlugin.inc.php");
require_once (__DIR__ . "/../common/wdcal_edit.inc.php");
require_once (__DIR__ . "/calendar.friendica.fnk.php");
require_once (__DIR__ . "/layout.fnk.php");
}
/**
* @param App $a
*/
function dav_init(&$a)
{
/*
* Recommended settings:
* ALTER TABLE `photo` ADD INDEX ( `contact-id` )
*/
ini_set("display_errors", 1);
error_reporting(E_ALL);
dav_include_files();
if (false) {
dbg(true);
error_reporting(E_ALL);
ini_set("display_errors", 1);
}
wdcal_create_std_calendars();
wdcal_create_std_addressbooks();
wdcal_addRequiredHeaders();
if ($a->argc >= 2 && $a->argv[1] == "wdcal") {
if ($a->argc >= 3 && $a->argv[2] == "feed") {
wdcal_print_feed($a->get_baseurl() . "/dav/wdcal/");
killme();
}
return;
}
if ($a->argc >= 2 && $a->argv[1] == "getExceptionDates") {
echo wdcal_getEditPage_exception_selector();
killme();
}
if ($a->argc >= 2 && $a->argv[1] == "settings") {
return;
}
if (isset($_REQUEST["test"])) {
renderAllCalDavEntries();
}
$server = dav_create_server();
$browser = new Sabre_DAV_Browser_Plugin();
$server->addPlugin($browser);
$server->exec();
killme();
}
/**
* @return string
*/
function dav_content()
{
$a = get_app();
if (!isset($a->user["uid"]) || $a->user["uid"] == 0) {
return Login::form();
}
$x = "";
try {
if ($a->argv[1] == "settings") {
return wdcal_getSettingsPage($a);
} elseif ($a->argv[1] == "wdcal") {
if (isset($a->argv[2]) && strlen($a->argv[2]) > 0) {
if ($a->argv[2] == "new") {
$o = "";
if (isset($_REQUEST["save"])) {
check_form_security_token_redirectOnErr("/dav/wdcal/", "caledit");
$ret = wdcal_postEditPage("new", "", $a->user["uid"], $a->timezone, $a->get_baseurl() . "/dav/wdcal/");
if ($ret["ok"]) notice($ret["msg"]);
else info($ret["msg"]);
goaway('dav/wdcal/');
}
$o .= wdcal_getNewPage();
return $o;
} else {
$calendar_id = IntVal($a->argv[2]);
if (isset($a->argv[3]) && $a->argv[3] == "ics-export") {
wdcal_print_user_ics($calendar_id);
} elseif (isset($a->argv[3]) && $a->argv[3] == "ics-import") {
return wdcal_import_user_ics($calendar_id);
} elseif (isset($a->argv[3]) && $a->argv[3] > 0) {
if (isset($a->argv[4]) && $a->argv[4] == "edit") {
$o = "";
if (isset($_REQUEST["save"])) {
check_form_security_token_redirectOnErr("/dav/wdcal/", "caledit");
$ret = wdcal_postEditPage($a->argv[3], $a->user["uid"], $a->timezone, $a->get_baseurl() . "/dav/wdcal/");
if ($ret["ok"]) notice($ret["msg"]);
else info($ret["msg"]);
goaway('dav/wdcal/');
}
$o .= wdcal_getEditPage($calendar_id, $a->argv[3]);
return $o;
} else {
return wdcal_getDetailPage($calendar_id, $a->argv[3]);
}
} else {
// @TODO Edit Calendar
}
}
} else {
$server = dav_create_server(true, true, false);
$cals = dav_get_current_user_calendars($server, DAV_ACL_READ);
$x = wdcal_printCalendar($cals, [], $a->get_baseurl() . "/dav/wdcal/feed/", "week", 0, 200);
}
}
} catch (DAVVersionMismatchException $e) {
$x = t("The current version of this plugin has not been set up correctly. Please contact the system administrator of your installation of friendica to fix this.");
}
return $x;
}
/**
* @param App $a
* @param object $b
*/
function dav_event_created_hook(&$a, &$b)
{
dav_include_files();
// @TODO Updating the cache instead of completely invalidating and rebuilding it
Sabre_CalDAV_Backend_Friendica::invalidateCache($a->user["uid"], CALDAV_FRIENDICA_CONTACTS);
Sabre_CalDAV_Backend_Friendica::invalidateCache($a->user["uid"], CALDAV_FRIENDICA_MINE);
}
/**
* @param App $a
* @param object $b
*/
function dav_event_updated_hook(&$a, &$b)
{
dav_include_files();
// @TODO Updating the cache instead of completely invalidating and rebuilding it
Sabre_CalDAV_Backend_Friendica::invalidateCache($a->user["uid"], CALDAV_FRIENDICA_CONTACTS);
Sabre_CalDAV_Backend_Friendica::invalidateCache($a->user["uid"], CALDAV_FRIENDICA_MINE);
}
/**
* @param App $a
* @param object $b
*/
function dav_profile_tabs_hook(&$a, &$b)
{
$b["tabs"][] = [
"label" => t('Calendar'),
"url" => $a->get_baseurl() . "/dav/wdcal/",
"sel" => "",
"title" => t('Extended calendar with CalDAV-support'),
];
}
/**
* @param App $a
* @param object $b
*/
function dav_cron(&$a, &$b)
{
dav_include_files();
$r = q("SELECT * FROM %s%snotifications WHERE `notified` = 0 AND `alert_date` <= NOW()", CALDAV_SQL_DB, CALDAV_SQL_PREFIX);
if (is_array($r)) {
foreach ($r as $not) {
q("UPDATE %s%snotifications SET `notified` = 1 WHERE `id` = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, $not["id"]);
$event = q("SELECT * FROM %s%sjqcalendar WHERE `calendarobject_id` = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, $not["calendarobject_id"]);
$calendar = q("SELECT * FROM %s%scalendars WHERE `id` = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, $not["calendar_id"]);
$users = [];
if (count($calendar) != 1 || count($event) == 0) continue;
switch ($calendar[0]["namespace"]) {
case CALDAV_NAMESPACE_PRIVATE:
$user = q("SELECT * FROM user WHERE `uid` = %d AND `blocked` = 0", $calendar[0]["namespace_id"]);
if (count($user) != 1) continue;
$users[] = $user[0];
break;
}
switch ($not["action"]) {
case "email":
case "display": // @TODO implement "Display"
foreach ($users as $user) {
$find = ["%to%", "%event%", "%url%"];
$repl = [$user["username"], $event[0]["Summary"], $a->get_baseurl() . "/dav/wdcal/" . $calendar[0]["id"] . "/" . $not["calendarobject_id"] . "/"];
$text_text = str_replace($find, $repl, "Hi %to%!\n\nThe event \"%event%\" is about to begin:\n%url%");
$text_html = str_replace($find, $repl, "Hi %to%!<br>\n<br>\nThe event \"%event%\" is about to begin:<br>\n<a href='" . "%url%" . "'>%url%</a>");
$params = [
'fromName' => FRIENDICA_PLATFORM,
'fromEmail' => t('noreply') . '@' . $a->get_hostname(),
'replyTo' => t('noreply') . '@' . $a->get_hostname(),
'toEmail' => $user["email"],
'messageSubject' => t("Notification: " . $event[0]["Summary"]),
'htmlVersion' => $text_html,
'textVersion' => $text_text,
'additionalMailHeader' => "",
];
Emailer::send($params);
}
break;
}
}
}
}
/**
* @param App $a
* @param null|object $o
*/
function dav_plugin_admin_post(&$a = null, &$o = null)
{
check_form_security_token_redirectOnErr('/admin/plugins/dav', 'dav_admin_save');
dav_include_files();
require_once(__DIR__ . "/database-init.inc.php");
if (isset($_REQUEST["install"])) {
$errs = dav_create_tables();
if (count($errs) == 0) info(t('The database tables have been installed.') . EOL);
else notice(t("An error occurred during the installation.") . EOL);
}
if (isset($_REQUEST["upgrade"])) {
$errs = dav_upgrade_tables();
if (count($errs) == 0) {
renderAllCalDavEntries();
info(t('The database tables have been updated.') . EOL);
} else notice(t("An error occurred during the update.") . EOL);
}
}
/**
* @param App $a
* @param string $o
*/
function dav_plugin_admin(&$a, &$o)
{
dav_include_files();
require_once(__DIR__ . "/database-init.inc.php");
$dbstatus = dav_check_tables();
$o = '<input type="hidden" name="form_security_token" value="' . get_form_security_token("dav_admin_save") . '">';
$o .= '<i>' . t("No system-wide settings yet.") . '</i><br><br>';
$o .= '<h3>' . t('Database status') . '</h3>';
switch ($dbstatus) {
case 0:
$o .= t('Installed');
break;
case 1:
case 2:
$o .= "<strong>" . t('Upgrade needed') . "</strong><br>" . t("Please back up all calendar data (the tables beginning with dav_*) before proceeding. While all calendar events <i>should</i> be converted to the new database structure, it's always safe to have a backup. Below, you can have a look at the database-queries that will be made when pressing the 'update'-button.") . "<br><br><input type='submit' name='upgrade' value='" . t('Upgrade') . "'>";
break;
case -1:
$o .= t('Not installed') . "<br><br><input type='submit' name='install' value='" . t('Install') . "'>";
break;
case -2:
default:
$o .= t('Unknown') . "<br><br>" . t("Something really went wrong. I cannot recover from this state automatically, sorry. Please go to the database backend, back up the data, and delete all tables beginning with 'dav_' manually. Afterwards, this installation routine should be able to reinitialize the tables automatically.");
break;
}
$o .= "<br><br>";
$o .= "<h3>" . t("Troubleshooting") . "</h3>";
$o .= "<h4>" . t("Manual creation of the database tables:") . "</h4>";
$o .= "<a href='#' onClick='\$(\"#sqlstatements\").show(); return false;'>" . t("Show SQL-statements") . "</a><blockquote style='display: none;' id='sqlstatements'><pre>";
switch ($dbstatus) {
case 1: case 2:
$tables = dav_get_update_statements($dbstatus);
foreach ($tables as $t) $o .= escape_tags($t . ";\n\n");
break;
default:
$tables = dav_get_create_statements();
foreach ($tables as $t) $o .= escape_tags($t . ";\n\n");
break;
}
$o .= "</pre></blockquote>";
}