Include accept / decline links in CalDAV invitation emails

Signed-off-by: Georg Ehrke <developer@georgehrke.com>

3 files changed, 638 insertions, 3 deletions

diff --git a/apps/dav/tests/unit/BackgroundJob/CleanupInvitationTokenJobTest.php b/apps/dav/tests/unit/BackgroundJob/CleanupInvitationTokenJobTest.php
new file mode 100644
index 00000000000..3e69230f441
--- /dev/null
+++ b/apps/dav/tests/unit/BackgroundJob/CleanupInvitationTokenJobTest.php
@@ -0,0 +1,100 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright 2018, Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @author Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\DAV\Tests\unit\BackgroundJob;
+
+use OCA\DAV\BackgroundJob\CleanupInvitationTokenJob;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\IDBConnection;
+use Test\TestCase;
+
+class CleanupInvitationTokenJobTest extends TestCase {
+
+	/** @var IDBConnection | \PHPUnit_Framework_MockObject_MockObject */
+	private $dbConnection;
+
+	/** @var ITimeFactory | \PHPUnit_Framework_MockObject_MockObject */
+	private $timeFactory;
+
+	/** @var \OCA\DAV\BackgroundJob\GenerateBirthdayCalendarBackgroundJob */
+	private $backgroundJob;
+
+	protected function setUp() {
+		parent::setUp();
+
+		$this->dbConnection = $this->createMock(IDBConnection::class);
+		$this->timeFactory = $this->createMock(ITimeFactory::class);
+
+		$this->backgroundJob = new CleanupInvitationTokenJob(
+			$this->dbConnection, $this->timeFactory);
+	}
+
+	public function testRun() {
+		$this->timeFactory->expects($this->once())
+			->method('getTime')
+			->with()
+			->will($this->returnValue(1337));
+
+		$queryBuilder = $this->createMock(IQueryBuilder::class);
+		$expr = $this->createMock(\OCP\DB\QueryBuilder\IExpressionBuilder::class);
+		$stmt = $this->createMock(\Doctrine\DBAL\Driver\Statement::class);
+
+		$this->dbConnection->expects($this->once())
+			->method('getQueryBuilder')
+			->with()
+			->will($this->returnValue($queryBuilder));
+		$queryBuilder->method('expr')
+			->will($this->returnValue($expr));
+		$queryBuilder->method('createNamedParameter')
+			->will($this->returnValueMap([
+				[1337, \PDO::PARAM_STR, null, 'namedParameter1337']
+			]));
+
+		$expr->expects($this->once())
+			->method('lt')
+			->with('expiration', 'namedParameter1337')
+			->will($this->returnValue('LT STATEMENT'));
+
+		$this->dbConnection->expects($this->once())
+			->method('getQueryBuilder')
+			->with()
+			->will($this->returnValue($queryBuilder));
+
+		$queryBuilder->expects($this->at(0))
+			->method('delete')
+			->with('calendar_invitation_tokens')
+			->will($this->returnValue($queryBuilder));
+		$queryBuilder->expects($this->at(3))
+			->method('where')
+			->with('LT STATEMENT')
+			->will($this->returnValue($queryBuilder));
+		$queryBuilder->expects($this->at(4))
+			->method('execute')
+			->with()
+			->will($this->returnValue($stmt));
+
+		$this->backgroundJob->run([]);
+	}
+}
\ No newline at end of file
diff --git a/apps/dav/tests/unit/CalDAV/Schedule/IMipPluginTest.php b/apps/dav/tests/unit/CalDAV/Schedule/IMipPluginTest.php
index 3f89002ab98..2fefe8dd06a 100644
--- a/apps/dav/tests/unit/CalDAV/Schedule/IMipPluginTest.php
+++ b/apps/dav/tests/unit/CalDAV/Schedule/IMipPluginTest.php
@@ -29,8 +29,10 @@ namespace OCA\DAV\Tests\unit\CalDAV\Schedule;
 use OC\Mail\Mailer;
 use OCA\DAV\CalDAV\Schedule\IMipPlugin;
 use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\DB\QueryBuilder\IQueryBuilder;
 use OCP\Defaults;
 use OCP\IConfig;
+use OCP\IDBConnection;
 use OCP\IL10N;
 use OCP\ILogger;
 use OCP\IURLGenerator;
@@ -39,6 +41,7 @@ use OCP\Mail\IAttachment;
 use OCP\Mail\IEMailTemplate;
 use OCP\Mail\IMailer;
 use OCP\Mail\IMessage;
+use OCP\Security\ISecureRandom;
 use Sabre\VObject\Component\VCalendar;
 use Sabre\VObject\ITip\Message;
 use Test\TestCase;
@@ -70,13 +73,38 @@ class IMipPluginTest extends TestCase {
 		$l10nFactory->method('get')->willReturn($l10n);
 		/** @var IURLGenerator | \PHPUnit_Framework_MockObject_MockObject $urlGenerator */
 		$urlGenerator = $this->createMock(IURLGenerator::class);
+		/** @var IDBConnection | \PHPUnit_Framework_MockObject_MockObject $db */
+		$db = $this->createMock(IDBConnection::class);
+		/** @var ISecureRandom | \PHPUnit_Framework_MockObject_MockObject $random */
+		$random = $this->createMock(ISecureRandom::class);
 		/** @var Defaults | \PHPUnit_Framework_MockObject_MockObject $defaults */
 		$defaults = $this->createMock(Defaults::class);
 		$defaults->expects($this->once())
 			->method('getName')
 			->will($this->returnValue('Instance Name 123'));
 
-		$plugin = new IMipPlugin($config, $mailer, $logger, $timeFactory, $l10nFactory, $urlGenerator, $defaults, 'user123');
+		$random->expects($this->once())
+			->method('generate')
+			->with(60, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789')
+			->will($this->returnValue('random_token'));
+
+		$queryBuilder = $this->createMock(IQueryBuilder::class);
+
+		$db->expects($this->once())
+			->method('getQueryBuilder')
+			->with()
+			->will($this->returnValue($queryBuilder));
+		$queryBuilder->expects($this->at(0))
+			->method('insert')
+			->with('calendar_invitation_tokens')
+			->will($this->returnValue($queryBuilder));
+		$queryBuilder->expects($this->at(8))
+			->method('values')
+			->will($this->returnValue($queryBuilder));
+		$queryBuilder->expects($this->at(9))
+			->method('execute');
+
+		$plugin = new IMipPlugin($config, $mailer, $logger, $timeFactory, $l10nFactory, $urlGenerator, $defaults, $random, $db, 'user123');
 		$message = new Message();
 		$message->method = 'REQUEST';
 		$message->message = new VCalendar();
@@ -128,10 +156,35 @@ class IMipPluginTest extends TestCase {
 		$l10nFactory->method('get')->willReturn($l10n);
 		/** @var IURLGenerator | \PHPUnit_Framework_MockObject_MockObject $urlGenerator */
 		$urlGenerator = $this->createMock(IURLGenerator::class);
+		/** @var IDBConnection | \PHPUnit_Framework_MockObject_MockObject $db */
+		$db = $this->createMock(IDBConnection::class);
+		/** @var ISecureRandom | \PHPUnit_Framework_MockObject_MockObject $random */
+		$random = $this->createMock(ISecureRandom::class);
 		/** @var Defaults | \PHPUnit_Framework_MockObject_MockObject $defaults */
 		$defaults = $this->createMock(Defaults::class);
 
-		$plugin = new IMipPlugin($config, $mailer, $logger, $timeFactory, $l10nFactory, $urlGenerator, $defaults, 'user123');
+		$random->expects($this->once())
+			->method('generate')
+			->with(60, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789')
+			->will($this->returnValue('random_token'));
+
+		$queryBuilder = $this->createMock(IQueryBuilder::class);
+
+		$db->expects($this->once())
+			->method('getQueryBuilder')
+			->with()
+			->will($this->returnValue($queryBuilder));
+		$queryBuilder->expects($this->at(0))
+			->method('insert')
+			->with('calendar_invitation_tokens')
+			->will($this->returnValue($queryBuilder));
+		$queryBuilder->expects($this->at(8))
+			->method('values')
+			->will($this->returnValue($queryBuilder));
+		$queryBuilder->expects($this->at(9))
+			->method('execute');
+
+		$plugin = new IMipPlugin($config, $mailer, $logger, $timeFactory, $l10nFactory, $urlGenerator, $defaults, $random, $db, 'user123');
 		$message = new Message();
 		$message->method = 'REQUEST';
 		$message->message = new VCalendar();
@@ -190,10 +243,37 @@ class IMipPluginTest extends TestCase {
 		$l10nFactory->method('get')->willReturn($l10n);
 		/** @var IURLGenerator | \PHPUnit_Framework_MockObject_MockObject $urlGenerator */
 		$urlGenerator = $this->createMock(IURLGenerator::class);
+		/** @var IDBConnection | \PHPUnit_Framework_MockObject_MockObject $db */
+		$db = $this->createMock(IDBConnection::class);
+		/** @var ISecureRandom | \PHPUnit_Framework_MockObject_MockObject $random */
+		$random = $this->createMock(ISecureRandom::class);
 		/** @var Defaults | \PHPUnit_Framework_MockObject_MockObject $defaults */
 		$defaults = $this->createMock(Defaults::class);
 
-		$plugin = new IMipPlugin($config, $mailer, $logger, $timeFactory, $l10nFactory, $urlGenerator, $defaults, 'user123');
+		if ($expectsMail) {
+			$random->expects($this->once())
+				->method('generate')
+				->with(60, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789')
+				->will($this->returnValue('random_token'));
+
+			$queryBuilder = $this->createMock(IQueryBuilder::class);
+
+			$db->expects($this->once())
+				->method('getQueryBuilder')
+				->with()
+				->will($this->returnValue($queryBuilder));
+			$queryBuilder->expects($this->at(0))
+				->method('insert')
+				->with('calendar_invitation_tokens')
+				->will($this->returnValue($queryBuilder));
+			$queryBuilder->expects($this->at(8))
+				->method('values')
+				->will($this->returnValue($queryBuilder));
+			$queryBuilder->expects($this->at(9))
+				->method('execute');
+		}
+
+		$plugin = new IMipPlugin($config, $mailer, $logger, $timeFactory, $l10nFactory, $urlGenerator, $defaults, $random, $db, 'user123');
 		$message = new Message();
 		$message->method = 'REQUEST';
 		$message->message = new VCalendar();
diff --git a/apps/dav/tests/unit/Controller/InvitationResponseControllerTest.php b/apps/dav/tests/unit/Controller/InvitationResponseControllerTest.php
new file mode 100644
index 00000000000..333737e2262
--- /dev/null
+++ b/apps/dav/tests/unit/Controller/InvitationResponseControllerTest.php
@@ -0,0 +1,455 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright 2018, Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @author Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\DAV\Tests\Unit\DAV\Controller;
+
+use OCA\DAV\CalDAV\InvitationResponse\InvitationResponseServer;
+use OCA\DAV\CalDAV\Schedule\Plugin;
+use OCA\DAV\Controller\InvitationResponseController;
+use OCP\AppFramework\Http\TemplateResponse;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\IDBConnection;
+use OCP\IRequest;
+use Sabre\VObject\ITip\Message;
+use Test\TestCase;
+
+class InvitationResponseControllerTest extends TestCase {
+
+	/** @var InvitationResponseController */
+	private $controller;
+
+	/** @var IDBConnection|\PHPUnit_Framework_MockObject_MockObject */
+	private $dbConnection;
+
+	/** @var IRequest|\PHPUnit_Framework_MockObject_MockObject */
+	private $request;
+
+	/** @var ITimeFactory|\PHPUnit_Framework_MockObject_MockObject */
+	private $timeFactory;
+
+	/** @var InvitationResponseServer|\PHPUnit_Framework_MockObject_MockObject */
+	private $responseServer;
+
+	public function setUp() {
+		parent::setUp();
+
+		$this->dbConnection = $this->createMock(IDBConnection::class);
+		$this->request = $this->createMock(IRequest::class);
+		$this->timeFactory = $this->createMock(ITimeFactory::class);
+		$this->responseServer = $this->getMockBuilder(InvitationResponseServer::class)
+			->disableOriginalConstructor()
+			->getMock();
+
+		$this->controller = new InvitationResponseController(
+			'appName',
+			$this->request,
+			$this->dbConnection,
+			$this->timeFactory,
+			$this->responseServer
+		);
+	}
+
+	public function testAccept() {
+		$this->buildQueryExpects('TOKEN123', [
+			'id' => 0,
+			'uid' => 'this-is-the-events-uid',
+			'recurrenceid' => null,
+			'attendee' => 'mailto:attendee@foo.bar',
+			'organizer' => 'mailto:organizer@foo.bar',
+			'sequence' => null,
+			'token' => 'TOKEN123',
+			'expiration' => 420000,
+		], 1337);
+
+		$expected = <<<EOF
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Nextcloud/Nextcloud CalDAV Server//EN
+METHOD:REPLY
+BEGIN:VEVENT
+ATTENDEE;PARTSTAT=ACCEPTED:mailto:attendee@foo.bar
+ORGANIZER:mailto:organizer@foo.bar
+UID:this-is-the-events-uid
+SEQUENCE:0
+REQUEST-STATUS:2.0;Success
+DTSTAMP:19700101T002217Z
+END:VEVENT
+END:VCALENDAR
+
+EOF;
+		$expected = preg_replace('~\R~u', "\r\n", $expected);
+
+		$called = false;
+		$this->responseServer->expects($this->once())
+			->method('handleITipMessage')
+			->will($this->returnCallback(function(Message $iTipMessage) use (&$called, $expected) {
+				$called = true;
+				$this->assertEquals('this-is-the-events-uid', $iTipMessage->uid);
+				$this->assertEquals('VEVENT', $iTipMessage->component);
+				$this->assertEquals('REPLY', $iTipMessage->method);
+				$this->assertEquals(null, $iTipMessage->sequence);
+				$this->assertEquals('mailto:attendee@foo.bar', $iTipMessage->sender);
+				$this->assertEquals('mailto:organizer@foo.bar', $iTipMessage->recipient);
+
+				$iTipMessage->scheduleStatus = '1.2;Message delivered locally';
+
+				$this->assertEquals($expected, $iTipMessage->message->serialize());
+			}));
+
+
+
+		$response = $this->controller->accept('TOKEN123');
+		$this->assertInstanceOf(TemplateResponse::class, $response);
+		$this->assertEquals('schedule-response-success', $response->getTemplateName());
+		$this->assertEquals([], $response->getParams());
+		$this->assertTrue($called);
+	}
+
+	public function testAcceptSequence() {
+		$this->buildQueryExpects('TOKEN123', [
+			'id' => 0,
+			'uid' => 'this-is-the-events-uid',
+			'recurrenceid' => null,
+			'attendee' => 'mailto:attendee@foo.bar',
+			'organizer' => 'mailto:organizer@foo.bar',
+			'sequence' => 1337,
+			'token' => 'TOKEN123',
+			'expiration' => 420000,
+		], 1337);
+
+		$expected = <<<EOF
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Nextcloud/Nextcloud CalDAV Server//EN
+METHOD:REPLY
+BEGIN:VEVENT
+ATTENDEE;PARTSTAT=ACCEPTED:mailto:attendee@foo.bar
+ORGANIZER:mailto:organizer@foo.bar
+UID:this-is-the-events-uid
+SEQUENCE:1337
+REQUEST-STATUS:2.0;Success
+DTSTAMP:19700101T002217Z
+END:VEVENT
+END:VCALENDAR
+
+EOF;
+		$expected = preg_replace('~\R~u', "\r\n", $expected);
+
+		$called = false;
+		$this->responseServer->expects($this->once())
+			->method('handleITipMessage')
+			->will($this->returnCallback(function(Message $iTipMessage) use (&$called, $expected) {
+				$called = true;
+				$this->assertEquals('this-is-the-events-uid', $iTipMessage->uid);
+				$this->assertEquals('VEVENT', $iTipMessage->component);
+				$this->assertEquals('REPLY', $iTipMessage->method);
+				$this->assertEquals(1337, $iTipMessage->sequence);
+				$this->assertEquals('mailto:attendee@foo.bar', $iTipMessage->sender);
+				$this->assertEquals('mailto:organizer@foo.bar', $iTipMessage->recipient);
+
+				$iTipMessage->scheduleStatus = '1.2;Message delivered locally';
+
+				$this->assertEquals($expected, $iTipMessage->message->serialize());
+			}));
+
+
+
+		$response = $this->controller->accept('TOKEN123');
+		$this->assertInstanceOf(TemplateResponse::class, $response);
+		$this->assertEquals('schedule-response-success', $response->getTemplateName());
+		$this->assertEquals([], $response->getParams());
+		$this->assertTrue($called);
+	}
+
+	public function testAcceptRecurrenceId() {
+		$this->buildQueryExpects('TOKEN123', [
+			'id' => 0,
+			'uid' => 'this-is-the-events-uid',
+			'recurrenceid' => "RECURRENCE-ID;TZID=Europe/Berlin:20180726T150000\n",
+			'attendee' => 'mailto:attendee@foo.bar',
+			'organizer' => 'mailto:organizer@foo.bar',
+			'sequence' => null,
+			'token' => 'TOKEN123',
+			'expiration' => 420000,
+		], 1337);
+
+		$expected = <<<EOF
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Nextcloud/Nextcloud CalDAV Server//EN
+METHOD:REPLY
+BEGIN:VEVENT
+ATTENDEE;PARTSTAT=ACCEPTED:mailto:attendee@foo.bar
+ORGANIZER:mailto:organizer@foo.bar
+UID:this-is-the-events-uid
+SEQUENCE:0
+REQUEST-STATUS:2.0;Success
+RECURRENCE-ID;TZID=Europe/Berlin:20180726T150000
+DTSTAMP:19700101T002217Z
+END:VEVENT
+END:VCALENDAR
+
+EOF;
+		$expected = preg_replace('~\R~u', "\r\n", $expected);
+
+		$called = false;
+		$this->responseServer->expects($this->once())
+			->method('handleITipMessage')
+			->will($this->returnCallback(function(Message $iTipMessage) use (&$called, $expected) {
+				$called = true;
+				$this->assertEquals('this-is-the-events-uid', $iTipMessage->uid);
+				$this->assertEquals('VEVENT', $iTipMessage->component);
+				$this->assertEquals('REPLY', $iTipMessage->method);
+				$this->assertEquals(0, $iTipMessage->sequence);
+				$this->assertEquals('mailto:attendee@foo.bar', $iTipMessage->sender);
+				$this->assertEquals('mailto:organizer@foo.bar', $iTipMessage->recipient);
+
+				$iTipMessage->scheduleStatus = '1.2;Message delivered locally';
+
+				$this->assertEquals($expected, $iTipMessage->message->serialize());
+			}));
+
+
+
+		$response = $this->controller->accept('TOKEN123');
+		$this->assertInstanceOf(TemplateResponse::class, $response);
+		$this->assertEquals('schedule-response-success', $response->getTemplateName());
+		$this->assertEquals([], $response->getParams());
+		$this->assertTrue($called);
+	}
+
+	public function testAcceptTokenNotFound() {
+		$this->buildQueryExpects('TOKEN123', null, 1337);
+
+		$response = $this->controller->accept('TOKEN123');
+		$this->assertInstanceOf(TemplateResponse::class, $response);
+		$this->assertEquals('schedule-response-error', $response->getTemplateName());
+		$this->assertEquals([], $response->getParams());
+	}
+
+	public function testAcceptExpiredToken() {
+		$this->buildQueryExpects('TOKEN123', [
+			'id' => 0,
+			'uid' => 'this-is-the-events-uid',
+			'recurrenceid' => null,
+			'attendee' => 'mailto:attendee@foo.bar',
+			'organizer' => 'mailto:organizer@foo.bar',
+			'sequence' => null,
+			'token' => 'TOKEN123',
+			'expiration' => 42,
+		], 1337);
+
+		$response = $this->controller->accept('TOKEN123');
+		$this->assertInstanceOf(TemplateResponse::class, $response);
+		$this->assertEquals('schedule-response-error', $response->getTemplateName());
+		$this->assertEquals([], $response->getParams());
+	}
+
+	public function testDecline() {
+		$this->buildQueryExpects('TOKEN123', [
+			'id' => 0,
+			'uid' => 'this-is-the-events-uid',
+			'recurrenceid' => null,
+			'attendee' => 'mailto:attendee@foo.bar',
+			'organizer' => 'mailto:organizer@foo.bar',
+			'sequence' => null,
+			'token' => 'TOKEN123',
+			'expiration' => 420000,
+		], 1337);
+
+		$expected = <<<EOF
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Nextcloud/Nextcloud CalDAV Server//EN
+METHOD:REPLY
+BEGIN:VEVENT
+ATTENDEE;PARTSTAT=DECLINED:mailto:attendee@foo.bar
+ORGANIZER:mailto:organizer@foo.bar
+UID:this-is-the-events-uid
+SEQUENCE:0
+REQUEST-STATUS:2.0;Success
+DTSTAMP:19700101T002217Z
+END:VEVENT
+END:VCALENDAR
+
+EOF;
+		$expected = preg_replace('~\R~u', "\r\n", $expected);
+
+		$called = false;
+		$this->responseServer->expects($this->once())
+			->method('handleITipMessage')
+			->will($this->returnCallback(function(Message $iTipMessage) use (&$called, $expected) {
+				$called = true;
+				$this->assertEquals('this-is-the-events-uid', $iTipMessage->uid);
+				$this->assertEquals('VEVENT', $iTipMessage->component);
+				$this->assertEquals('REPLY', $iTipMessage->method);
+				$this->assertEquals(null, $iTipMessage->sequence);
+				$this->assertEquals('mailto:attendee@foo.bar', $iTipMessage->sender);
+				$this->assertEquals('mailto:organizer@foo.bar', $iTipMessage->recipient);
+
+				$iTipMessage->scheduleStatus = '1.2;Message delivered locally';
+
+				$this->assertEquals($expected, $iTipMessage->message->serialize());
+			}));
+
+
+
+		$response = $this->controller->decline('TOKEN123');
+		$this->assertInstanceOf(TemplateResponse::class, $response);
+		$this->assertEquals('schedule-response-success', $response->getTemplateName());
+		$this->assertEquals([], $response->getParams());
+		$this->assertTrue($called);
+	}
+
+	public function testOptions() {
+		$response = $this->controller->options('TOKEN123');
+		$this->assertInstanceOf(TemplateResponse::class, $response);
+		$this->assertEquals('schedule-response-options', $response->getTemplateName());
+		$this->assertEquals(['token' => 'TOKEN123'], $response->getParams());
+	}
+
+	public function testProcessMoreOptionsResult() {
+		$this->request->expects($this->at(0))
+			->method('getParam')
+			->with('partStat')
+			->will($this->returnValue('TENTATIVE'));
+		$this->request->expects($this->at(1))
+			->method('getParam')
+			->with('guests')
+			->will($this->returnValue('7'));
+		$this->request->expects($this->at(2))
+			->method('getParam')
+			->with('comment')
+			->will($this->returnValue('Foo bar Bli blub'));
+
+		$this->buildQueryExpects('TOKEN123', [
+			'id' => 0,
+			'uid' => 'this-is-the-events-uid',
+			'recurrenceid' => null,
+			'attendee' => 'mailto:attendee@foo.bar',
+			'organizer' => 'mailto:organizer@foo.bar',
+			'sequence' => null,
+			'token' => 'TOKEN123',
+			'expiration' => 420000,
+		], 1337);
+
+		$expected = <<<EOF
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Nextcloud/Nextcloud CalDAV Server//EN
+METHOD:REPLY
+BEGIN:VEVENT
+ATTENDEE;PARTSTAT=TENTATIVE;X-RESPONSE-COMMENT=Foo bar Bli blub;X-NUM-GUEST
+ S=7:mailto:attendee@foo.bar
+ORGANIZER:mailto:organizer@foo.bar
+UID:this-is-the-events-uid
+SEQUENCE:0
+REQUEST-STATUS:2.0;Success
+DTSTAMP:19700101T002217Z
+COMMENT:Foo bar Bli blub
+END:VEVENT
+END:VCALENDAR
+
+EOF;
+		$expected = preg_replace('~\R~u', "\r\n", $expected);
+
+		$called = false;
+		$this->responseServer->expects($this->once())
+			->method('handleITipMessage')
+			->will($this->returnCallback(function(Message $iTipMessage) use (&$called, $expected) {
+				$called = true;
+				$this->assertEquals('this-is-the-events-uid', $iTipMessage->uid);
+				$this->assertEquals('VEVENT', $iTipMessage->component);
+				$this->assertEquals('REPLY', $iTipMessage->method);
+				$this->assertEquals(null, $iTipMessage->sequence);
+				$this->assertEquals('mailto:attendee@foo.bar', $iTipMessage->sender);
+				$this->assertEquals('mailto:organizer@foo.bar', $iTipMessage->recipient);
+
+				$iTipMessage->scheduleStatus = '1.2;Message delivered locally';
+
+				$this->assertEquals($expected, $iTipMessage->message->serialize());
+			}));
+
+
+
+		$response = $this->controller->processMoreOptionsResult('TOKEN123');
+		$this->assertInstanceOf(TemplateResponse::class, $response);
+		$this->assertEquals('schedule-response-success', $response->getTemplateName());
+		$this->assertEquals([], $response->getParams());
+		$this->assertTrue($called);
+	}
+
+	private function buildQueryExpects($token, $return, $time) {
+		$queryBuilder = $this->createMock(IQueryBuilder::class);
+		$stmt = $this->createMock(\Doctrine\DBAL\Driver\Statement::class);
+		$expr = $this->createMock(\OCP\DB\QueryBuilder\IExpressionBuilder::class);
+
+		$this->dbConnection->expects($this->once())
+			->method('getQueryBuilder')
+			->with()
+			->will($this->returnValue($queryBuilder));
+		$queryBuilder->method('expr')
+			->will($this->returnValue($expr));
+		$queryBuilder->method('createNamedParameter')
+			->will($this->returnValueMap([
+				[$token, \PDO::PARAM_STR, null, 'namedParameterToken']
+			]));
+
+		$stmt->expects($this->once())
+			->method('fetch')
+			->with(\PDO::FETCH_ASSOC)
+			->will($this->returnValue($return));
+
+		$expr->expects($this->once())
+			->method('eq')
+			->with('token', 'namedParameterToken')
+			->will($this->returnValue('EQ STATEMENT'));
+
+		$this->dbConnection->expects($this->once())
+			->method('getQueryBuilder')
+			->with()
+			->will($this->returnValue($queryBuilder));
+
+		$queryBuilder->expects($this->at(0))
+			->method('select')
+			->with('*')
+			->will($this->returnValue($queryBuilder));
+		$queryBuilder->expects($this->at(1))
+			->method('from')
+			->with('calendar_invitation_tokens')
+			->will($this->returnValue($queryBuilder));
+		$queryBuilder->expects($this->at(4))
+			->method('where')
+			->with('EQ STATEMENT')
+			->will($this->returnValue($queryBuilder));
+		$queryBuilder->expects($this->at(5))
+			->method('execute')
+			->with()
+			->will($this->returnValue($stmt));
+
+		$this->timeFactory->method('getTime')
+			->will($this->returnValue($time));
+	}
+}
\ No newline at end of file