Implemented Sabre iCalendar Export Plugin.

apps/calendar/appinfo/remote.php

@@ -34,6 +34,6 @@ $server->addPlugin(new Sabre_DAV_Auth_Plugin($authBackend,'ownCloud'));
 $server->addPlugin(new Sabre_CalDAV_Plugin());
 $server->addPlugin(new Sabre_DAVACL_Plugin());
 $server->addPlugin(new Sabre_DAV_Browser_Plugin(false)); // Show something in the Browser, but no upload
-
+$server->addPlugin(new Sabre_CalDAV_ICSExportPlugin());
 // And off we go!
 $server->exec();

apps/calendar/settings.php

@@ -10,6 +10,7 @@ $tmpl = new OCP\Template( 'calendar', 'settings');
 $timezone=OCP\Config::getUserValue(OCP\USER::getUser(),'calendar','timezone','');
 $tmpl->assign('timezone',$timezone);
 $tmpl->assign('timezones',DateTimeZone::listIdentifiers());
+$tmpl->assign('calendars', OC_Calendar_Calendar::allCalendars(OCP\USER::getUser()), false);
 
 OCP\Util::addscript('calendar','settings');
 

apps/calendar/templates/settings.php

@@ -56,6 +56,12 @@
 		<dd><code><?php echo OCP\Util::linkToRemote('caldav'); ?></code></dd>
 		<dt><?php echo $l->t('iOS/OS X'); ?></dt>
 		<dd><code><?php echo OCP\Util::linkToRemote('caldav'); ?>principals/<?php echo OCP\USER::getUser(); ?></code>/</dd>
+		<dt><?php echo $l->t('Read only iCalendar link(s)'); ?></dt>
+		<dd>
+			<?php foreach($_['calendars'] as $calendar) { ?>
+			<a href="<?php echo OCP\Util::linkToRemote('caldav').'calendars/'.OCP\USER::getUser().'/'.rawurlencode($calendar['uri']) ?>?export"><?php echo $calendar['displayname'] ?></a><br />
+			<?php } ?>
+		</dd>
 		</dl>
         </fieldset>
 </form>