Adding upstream version 1.0.2.upstream/1.0.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

14 files changed, 1950 insertions, 0 deletions

diff --git a/application/forms/Command/CommandForm.php b/application/forms/Command/CommandForm.php
new file mode 100644
index 0000000..7fb7966
--- /dev/null
+++ b/application/forms/Command/CommandForm.php
@@ -0,0 +1,136 @@
+<?php
+
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Icingadb\Forms\Command;
+
+use Exception;
+use Icinga\Application\Logger;
+use Icinga\Module\Icingadb\Command\IcingaCommand;
+use Icinga\Module\Icingadb\Command\Transport\CommandTransport;
+use Icinga\Web\Notification;
+use Icinga\Web\Session;
+use ipl\Html\Form;
+use ipl\Orm\Model;
+use ipl\Web\Common\CsrfCounterMeasure;
+
+abstract class CommandForm extends Form
+{
+    use CsrfCounterMeasure;
+
+    protected $defaultAttributes = ['class' => 'icinga-form icinga-controls'];
+
+    /** @var mixed */
+    protected $objects;
+
+    /**
+     * Whether an error occurred while sending the command
+     *
+     * Prevents the success message from being rendered simultaneously
+     *
+     * @var bool
+     */
+    protected $errorOccurred = false;
+
+    /**
+     * Set the objects to issue the command for
+     *
+     * @param mixed $objects A traversable that is also countable
+     *
+     * @return $this
+     */
+    public function setObjects($objects): self
+    {
+        $this->objects = $objects;
+
+        return $this;
+    }
+
+    /**
+     * Get the objects to issue the command for
+     *
+     * @return mixed
+     */
+    public function getObjects()
+    {
+        return $this->objects;
+    }
+
+    /**
+     * Create and add form elements representing the command's options
+     *
+     * @return void
+     */
+    abstract protected function assembleElements();
+
+    /**
+     * Create and add a submit button to the form
+     *
+     * @return void
+     */
+    abstract protected function assembleSubmitButton();
+
+    /**
+     * Get the command to issue for the given object
+     *
+     * @param Model $object
+     *
+     * @return IcingaCommand|IcingaCommand[]|null NULL in case no command should be issued for the object
+     */
+    abstract protected function getCommand(Model $object);
+
+    protected function assemble()
+    {
+        $this->assembleElements();
+        $this->assembleSubmitButton();
+        $this->addElement($this->createCsrfCounterMeasure(Session::getSession()->getId()));
+    }
+
+    protected function onSuccess()
+    {
+        $errors = [];
+        foreach ($this->getObjects() as $object) {
+            $commands = $this->getCommand($object);
+            if ($commands === null) {
+                continue;
+            }
+
+            if ($commands instanceof IcingaCommand) {
+                $commands = [$commands];
+            }
+
+            foreach ($commands as $command) {
+                try {
+                    $this->sendCommand($command);
+                } catch (Exception $e) {
+                    Logger::error($e->getMessage());
+                    $errors[] = $e->getMessage();
+                }
+            }
+        }
+
+        if (! empty($errors)) {
+            if (count($errors) > 1) {
+                Notification::warning(
+                    t('Some commands were not transmitted. Please check the log. The first error follows.')
+                );
+            }
+
+            $this->errorOccurred = true;
+
+            Notification::error($errors[0]);
+        }
+    }
+
+    /**
+     * Transmit the given command
+     *
+     * @param IcingaCommand $command
+     *
+     * @return void
+     */
+    protected function sendCommand(IcingaCommand $command)
+    {
+        (new CommandTransport())->send($command);
+    }
+}
diff --git a/application/forms/Command/Instance/ToggleInstanceFeaturesForm.php b/application/forms/Command/Instance/ToggleInstanceFeaturesForm.php
new file mode 100644
index 0000000..eb270da
--- /dev/null
+++ b/application/forms/Command/Instance/ToggleInstanceFeaturesForm.php
@@ -0,0 +1,157 @@
+<?php
+
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Icingadb\Forms\Command\Instance;
+
+use Icinga\Module\Icingadb\Command\Instance\ToggleInstanceFeatureCommand;
+use Icinga\Module\Icingadb\Common\Auth;
+use Icinga\Module\Icingadb\Forms\Command\CommandForm;
+use Icinga\Web\Notification;
+use ipl\Orm\Model;
+use ipl\Web\FormDecorator\IcingaFormDecorator;
+
+class ToggleInstanceFeaturesForm extends CommandForm
+{
+    use Auth;
+
+    protected $features;
+
+    protected $featureStatus;
+
+    /**
+     * ToggleFeature(s) being used to submit this form
+     *
+     * @var ToggleInstanceFeatureCommand[]
+     */
+    protected $submittedFeatures = [];
+
+    public function __construct(array $featureStatus)
+    {
+        $this->featureStatus = $featureStatus;
+        $this->features = [
+            ToggleInstanceFeatureCommand::FEATURE_ACTIVE_HOST_CHECKS =>
+                t('Active Host Checks'),
+            ToggleInstanceFeatureCommand::FEATURE_ACTIVE_SERVICE_CHECKS =>
+                t('Active Service Checks'),
+            ToggleInstanceFeatureCommand::FEATURE_EVENT_HANDLERS =>
+                t('Event Handlers'),
+            ToggleInstanceFeatureCommand::FEATURE_FLAP_DETECTION =>
+                t('Flap Detection'),
+            ToggleInstanceFeatureCommand::FEATURE_NOTIFICATIONS =>
+                t('Notifications'),
+            ToggleInstanceFeatureCommand::FEATURE_PERFORMANCE_DATA =>
+                t('Performance Data')
+        ];
+
+        $this->getAttributes()->add('class', 'instance-features');
+
+        $this->on(self::ON_SUCCESS, function () {
+            if ($this->errorOccurred) {
+                return;
+            }
+
+            foreach ($this->submittedFeatures as $feature) {
+                $enabled = $feature->getEnabled();
+                switch ($feature->getFeature()) {
+                    case ToggleInstanceFeatureCommand::FEATURE_ACTIVE_HOST_CHECKS:
+                        if ($enabled) {
+                            $message = t('Enabled active host checks successfully');
+                        } else {
+                            $message = t('Disabled active host checks successfully');
+                        }
+
+                        break;
+                    case ToggleInstanceFeatureCommand::FEATURE_ACTIVE_SERVICE_CHECKS:
+                        if ($enabled) {
+                            $message = t('Enabled active service checks successfully');
+                        } else {
+                            $message = t('Disabled active service checks successfully');
+                        }
+
+                        break;
+                    case ToggleInstanceFeatureCommand::FEATURE_EVENT_HANDLERS:
+                        if ($enabled) {
+                            $message = t('Enabled event handlers successfully');
+                        } else {
+                            $message = t('Disabled event handlers checks successfully');
+                        }
+
+                        break;
+                    case ToggleInstanceFeatureCommand::FEATURE_FLAP_DETECTION:
+                        if ($enabled) {
+                            $message = t('Enabled flap detection successfully');
+                        } else {
+                            $message = t('Disabled flap detection successfully');
+                        }
+
+                        break;
+                    case ToggleInstanceFeatureCommand::FEATURE_NOTIFICATIONS:
+                        if ($enabled) {
+                            $message = t('Enabled notifications successfully');
+                        } else {
+                            $message = t('Disabled notifications successfully');
+                        }
+
+                        break;
+                    case ToggleInstanceFeatureCommand::FEATURE_PERFORMANCE_DATA:
+                        if ($enabled) {
+                            $message = t('Enabled performance data successfully');
+                        } else {
+                            $message = t('Disabled performance data successfully');
+                        }
+
+                        break;
+                    default:
+                        $message = t('Invalid feature option');
+                        break;
+                }
+
+                Notification::success($message);
+            }
+        });
+    }
+
+    protected function assembleElements()
+    {
+        $disabled = ! $this->getAuth()->hasPermission('icingadb/command/feature/instance');
+        $decorator = new IcingaFormDecorator();
+
+        foreach ($this->features as $feature => $label) {
+            $this->addElement(
+                'checkbox',
+                $feature,
+                [
+                    'class'     => 'autosubmit',
+                    'label'     => $label,
+                    'disabled'  => $disabled,
+                    'value'     => (bool) $this->featureStatus[$feature]
+                ]
+            );
+            $decorator->decorate($this->getElement($feature));
+        }
+    }
+
+    protected function assembleSubmitButton()
+    {
+    }
+
+    protected function getCommand(Model $object): \Generator
+    {
+        foreach ($this->features as $feature => $spec) {
+            $featureState = $this->getElement($feature)->isChecked();
+
+            if ((int) $featureState === (int) $this->featureStatus[$feature]) {
+                continue;
+            }
+
+            $command = new ToggleInstanceFeatureCommand();
+            $command->setFeature($feature);
+            $command->setEnabled($featureState);
+
+            $this->submittedFeatures[] = $command;
+
+            yield $command;
+        }
+    }
+}
diff --git a/application/forms/Command/Object/AcknowledgeProblemForm.php b/application/forms/Command/Object/AcknowledgeProblemForm.php
new file mode 100644
index 0000000..5ca7074
--- /dev/null
+++ b/application/forms/Command/Object/AcknowledgeProblemForm.php
@@ -0,0 +1,203 @@
+<?php
+
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Icingadb\Forms\Command\Object;
+
+use DateInterval;
+use DateTime;
+use Icinga\Application\Config;
+use Icinga\Module\Icingadb\Command\Object\AcknowledgeProblemCommand;
+use Icinga\Module\Icingadb\Common\Auth;
+use Icinga\Module\Icingadb\Forms\Command\CommandForm;
+use Icinga\Module\Icingadb\Model\Host;
+use Icinga\Web\Notification;
+use ipl\Html\Attributes;
+use ipl\Html\HtmlElement;
+use ipl\Html\Text;
+use ipl\Orm\Model;
+use ipl\Web\FormDecorator\IcingaFormDecorator;
+use ipl\Web\Widget\Icon;
+
+class AcknowledgeProblemForm extends CommandForm
+{
+    use Auth;
+
+    public function __construct()
+    {
+        $this->on(self::ON_SUCCESS, function () {
+            if ($this->errorOccurred) {
+                return;
+            }
+
+            $countObjects = count($this->getObjects());
+            if (current($this->getObjects()) instanceof Host) {
+                $message = sprintf(tp(
+                    'Acknowledged problem successfully',
+                    'Acknowledged problem on %d hosts successfully',
+                    $countObjects
+                ), $countObjects);
+            } else {
+                $message = sprintf(tp(
+                    'Acknowledged problem successfully',
+                    'Acknowledged problem on %d services successfully',
+                    $countObjects
+                ), $countObjects);
+            }
+
+            Notification::success($message);
+        });
+    }
+
+    protected function assembleElements()
+    {
+        $this->addHtml(new HtmlElement(
+            'div',
+            Attributes::create(['class' => 'form-description']),
+            new Icon('info-circle', ['class' => 'form-description-icon']),
+            new HtmlElement(
+                'ul',
+                null,
+                new HtmlElement('li', null, Text::create(t(
+                    'This command is used to acknowledge host or service problems. When a problem is acknowledged,'
+                    . ' future notifications about problems are temporarily disabled until the host or service'
+                    . ' recovers.'
+                )))
+            )
+        ));
+
+        $config = Config::module('icingadb');
+        $decorator = new IcingaFormDecorator();
+
+        $this->addElement(
+            'textarea',
+            'comment',
+            [
+                'required'      => true,
+                'label'         => t('Comment'),
+                'description'   => t(
+                    'If you work with other administrators, you may find it useful to share information about'
+                    . ' the host or service that is having problems. Make sure you enter a brief description of'
+                    . ' what you are doing.'
+                )
+            ]
+        );
+        $decorator->decorate($this->getElement('comment'));
+
+        $this->addElement(
+            'checkbox',
+            'persistent',
+            [
+                'label'         => t('Persistent Comment'),
+                'value'         => (bool) $config->get('settings', 'acknowledge_persistent', false),
+                'description'   => t(
+                    'If you want the comment to remain even when the acknowledgement is removed, check this'
+                    . ' option.'
+                )
+            ]
+        );
+        $decorator->decorate($this->getElement('persistent'));
+
+        $this->addElement(
+            'checkbox',
+            'notify',
+            [
+                'label'         => t('Send Notification'),
+                'value'         => (bool) $config->get('settings', 'acknowledge_notify', true),
+                'description'   => t(
+                    'If you want an acknowledgement notification to be sent out to the appropriate contacts,'
+                    . ' check this option.'
+                )
+            ]
+        );
+        $decorator->decorate($this->getElement('notify'));
+
+        $this->addElement(
+            'checkbox',
+            'sticky',
+            [
+                'label'         => t('Sticky Acknowledgement'),
+                'value'         => (bool) $config->get('settings', 'acknowledge_sticky', false),
+                'description'   => t(
+                    'If you want the acknowledgement to remain until the host or service recovers even if the host'
+                    . ' or service changes state, check this option.'
+                )
+            ]
+        );
+        $decorator->decorate($this->getElement('sticky'));
+
+        $acknowledgeExpire = (bool) $config->get('settings', 'acknowledge_expire', false);
+
+        $this->addElement(
+            'checkbox',
+            'expire',
+            [
+                'ignore'        => true,
+                'class'         => 'autosubmit',
+                'value'         => $acknowledgeExpire,
+                'label'         => t('Use Expire Time'),
+                'description'   => t('If the acknowledgement should expire, check this option.')
+            ]
+        );
+        $decorator->decorate($this->getElement('expire'));
+
+        if ($acknowledgeExpire || $this->getPopulatedValue('expire') === 'y') {
+            $expireTime = new DateTime();
+            $expireTime->add(new DateInterval($config->get('settings', 'acknowledge_expire_time', 'PT1H')));
+
+            $this->addElement(
+                'localDateTime',
+                'expire_time',
+                [
+                    'data-use-datetime-picker'  => true,
+                    'required'                  => true,
+                    'value'                     => $expireTime,
+                    'label'                     => t('Expire Time'),
+                    'description'               => t(
+                        'Choose the date and time when Icinga should delete the acknowledgement.'
+                    )
+                ]
+            );
+            $decorator->decorate($this->getElement('expire_time'));
+        }
+    }
+
+    protected function assembleSubmitButton()
+    {
+        $this->addElement(
+            'submit',
+            'btn_submit',
+            [
+                'required'  => true,
+                'label'     => tp('Acknowledge problem', 'Acknowledge problems', count($this->getObjects()))
+            ]
+        );
+
+        (new IcingaFormDecorator())->decorate($this->getElement('btn_submit'));
+    }
+
+    /**
+     * @return ?AcknowledgeProblemCommand
+     */
+    protected function getCommand(Model $object)
+    {
+        if (! $this->isGrantedOn('icingadb/command/acknowledge-problem', $object)) {
+            return null;
+        }
+
+        $command = new AcknowledgeProblemCommand();
+        $command->setObject($object);
+        $command->setComment($this->getValue('comment'));
+        $command->setAuthor($this->getAuth()->getUser()->getUsername());
+        $command->setNotify($this->getElement('notify')->isChecked());
+        $command->setSticky($this->getElement('sticky')->isChecked());
+        $command->setPersistent($this->getElement('persistent')->isChecked());
+
+        if (($expireTime = $this->getValue('expire_time')) !== null) {
+            /** @var DateTime $expireTime */
+            $command->setExpireTime($expireTime->getTimestamp());
+        }
+
+        return $command;
+    }
+}
diff --git a/application/forms/Command/Object/AddCommentForm.php b/application/forms/Command/Object/AddCommentForm.php
new file mode 100644
index 0000000..af75f86
--- /dev/null
+++ b/application/forms/Command/Object/AddCommentForm.php
@@ -0,0 +1,154 @@
+<?php
+
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Icingadb\Forms\Command\Object;
+
+use DateInterval;
+use DateTime;
+use Icinga\Application\Config;
+use Icinga\Module\Icingadb\Command\Object\AddCommentCommand;
+use Icinga\Module\Icingadb\Common\Auth;
+use Icinga\Module\Icingadb\Forms\Command\CommandForm;
+use Icinga\Module\Icingadb\Model\Host;
+use Icinga\Web\Notification;
+use ipl\Html\Attributes;
+use ipl\Html\HtmlElement;
+use ipl\Html\Text;
+use ipl\Orm\Model;
+use ipl\Web\FormDecorator\IcingaFormDecorator;
+use ipl\Web\Widget\Icon;
+
+class AddCommentForm extends CommandForm
+{
+    use Auth;
+
+    public function __construct()
+    {
+        $this->on(self::ON_SUCCESS, function () {
+            if ($this->errorOccurred) {
+                return;
+            }
+
+            $countObjects = count($this->getObjects());
+            if (current($this->getObjects()) instanceof Host) {
+                $message = sprintf(
+                    tp('Added comment successfully', 'Added comment to %d hosts successfully', $countObjects),
+                    $countObjects
+                );
+            } else {
+                $message = sprintf(
+                    tp('Added comment successfully', 'Added comment to %d services successfully', $countObjects),
+                    $countObjects
+                );
+            }
+
+            Notification::success($message);
+        });
+    }
+
+    protected function assembleElements()
+    {
+        $this->addHtml(new HtmlElement(
+            'div',
+            Attributes::create(['class' => 'form-description']),
+            new Icon('info-circle', ['class' => 'form-description-icon']),
+            new HtmlElement(
+                'ul',
+                null,
+                new HtmlElement(
+                    'li',
+                    null,
+                    Text::create(t('This command is used to add host or service comments.'))
+                )
+            )
+        ));
+
+        $decorator = new IcingaFormDecorator();
+
+        $this->addElement(
+            'textarea',
+            'comment',
+            [
+                'required'      => true,
+                'label'         => t('Comment'),
+                'description'   => t(
+                    'If you work with other administrators, you may find it useful to share information about'
+                    . ' the host or service that is having problems. Make sure you enter a brief description of'
+                    . ' what you are doing.'
+                )
+            ]
+        );
+        $decorator->decorate($this->getElement('comment'));
+
+        $config = Config::module('icingadb');
+        $commentExpire = (bool) $config->get('settings', 'comment_expire', false);
+
+        $this->addElement(
+            'checkbox',
+            'expire',
+            [
+                'ignore'        => true,
+                'class'         => 'autosubmit',
+                'value'         => $commentExpire,
+                'label'         => t('Use Expire Time'),
+                'description'   => t('If the comment should expire, check this option.')
+            ]
+        );
+        $decorator->decorate($this->getElement('expire'));
+
+        if ($commentExpire || $this->getPopulatedValue('expire') === 'y') {
+            $expireTime = new DateTime();
+            $expireTime->add(new DateInterval($config->get('settings', 'comment_expire_time', 'PT1H')));
+
+            $this->addElement(
+                'localDateTime',
+                'expire_time',
+                [
+                    'data-use-datetime-picker'  => true,
+                    'required'                  => true,
+                    'value'                     => $expireTime,
+                    'label'                     => t('Expire Time'),
+                    'description'               => t('Choose the date and time when Icinga should delete the comment.')
+                ]
+            );
+            $decorator->decorate($this->getElement('expire_time'));
+        }
+    }
+
+    protected function assembleSubmitButton()
+    {
+        $this->addElement(
+            'submit',
+            'btn_submit',
+            [
+                'required'  => true,
+                'label'     => tp('Add comment', 'Add comments', count($this->getObjects()))
+            ]
+        );
+
+        (new IcingaFormDecorator())->decorate($this->getElement('btn_submit'));
+    }
+
+    /**
+     * @return ?AddCommentCommand
+     */
+    protected function getCommand(Model $object)
+    {
+        if (! $this->isGrantedOn('icingadb/command/comment/add', $object)) {
+            return null;
+        }
+
+        $command = new AddCommentCommand();
+        $command->setObject($object);
+        $command->setComment($this->getValue('comment'));
+        $command->setAuthor($this->getAuth()->getUser()->getUsername());
+
+        if (($expireTime = $this->getValue('expire_time'))) {
+            /** @var DateTime $expireTime */
+            $command->setExpireTime($expireTime->getTimestamp());
+        }
+
+        return $command;
+    }
+}
diff --git a/application/forms/Command/Object/CheckNowForm.php b/application/forms/Command/Object/CheckNowForm.php
new file mode 100644
index 0000000..136b40e
--- /dev/null
+++ b/application/forms/Command/Object/CheckNowForm.php
@@ -0,0 +1,71 @@
+<?php
+
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Icingadb\Forms\Command\Object;
+
+use Icinga\Module\Icingadb\Command\Object\ScheduleCheckCommand;
+use Icinga\Module\Icingadb\Common\Auth;
+use Icinga\Module\Icingadb\Forms\Command\CommandForm;
+use Icinga\Web\Notification;
+use ipl\Orm\Model;
+use ipl\Web\Widget\Icon;
+
+class CheckNowForm extends CommandForm
+{
+    use Auth;
+
+    protected $defaultAttributes = ['class' => 'inline'];
+
+    public function __construct()
+    {
+        $this->on(self::ON_SUCCESS, function () {
+            if (! $this->errorOccurred) {
+                Notification::success(tp('Scheduling check..', 'Scheduling checks..', count($this->getObjects())));
+            }
+        });
+    }
+
+    protected function assembleElements()
+    {
+    }
+
+    protected function assembleSubmitButton()
+    {
+        $this->addElement(
+            'submitButton',
+            'btn_submit',
+            [
+                'class' => ['link-button', 'spinner'],
+                'label' => [
+                    new Icon('sync-alt'),
+                    t('Check Now')
+                ],
+                'title' => t('Schedule the next active check to run immediately')
+            ]
+        );
+    }
+
+    /**
+     * @return ?ScheduleCheckCommand
+     */
+    protected function getCommand(Model $object)
+    {
+        if (
+            ! $this->isGrantedOn('icingadb/command/schedule-check', $object)
+            && (
+                ! $object->active_checks_enabled
+                || ! $this->isGrantedOn('icingadb/command/schedule-check/active-only', $object)
+            )
+        ) {
+            return null;
+        }
+
+        $command = new ScheduleCheckCommand();
+        $command->setObject($object);
+        $command->setCheckTime(time());
+        $command->setForced();
+
+        return $command;
+    }
+}
diff --git a/application/forms/Command/Object/DeleteCommentForm.php b/application/forms/Command/Object/DeleteCommentForm.php
new file mode 100644
index 0000000..1889c7b
--- /dev/null
+++ b/application/forms/Command/Object/DeleteCommentForm.php
@@ -0,0 +1,73 @@
+<?php
+
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Icingadb\Forms\Command\Object;
+
+use Icinga\Module\Icingadb\Command\Object\DeleteCommentCommand;
+use Icinga\Module\Icingadb\Common\Auth;
+use Icinga\Module\Icingadb\Forms\Command\CommandForm;
+use Icinga\Web\Notification;
+use ipl\Orm\Model;
+use ipl\Web\Common\RedirectOption;
+use ipl\Web\Widget\Icon;
+
+class DeleteCommentForm extends CommandForm
+{
+    use Auth;
+    use RedirectOption;
+
+    protected $defaultAttributes = ['class' => 'inline'];
+
+    public function __construct()
+    {
+        $this->on(self::ON_SUCCESS, function () {
+            if ($this->errorOccurred) {
+                return;
+            }
+
+            $countObjects = count($this->getObjects());
+
+            Notification::success(sprintf(
+                tp('Removed comment successfully', 'Removed comment from %d objects successfully', $countObjects),
+                $countObjects
+            ));
+        });
+    }
+
+    protected function assembleElements()
+    {
+        $this->addElement($this->createRedirectOption());
+    }
+
+    protected function assembleSubmitButton()
+    {
+        $this->addElement(
+            'submitButton',
+            'btn_submit',
+            [
+                'class' => ['cancel-button', 'spinner'],
+                'label' => [
+                    new Icon('trash'),
+                    tp('Remove Comment', 'Remove Comments', count($this->getObjects()))
+                ]
+            ]
+        );
+    }
+
+    /**
+     * @return ?DeleteCommentCommand
+     */
+    protected function getCommand(Model $object)
+    {
+        if (! $this->isGrantedOn('icingadb/command/comment/delete', $object->{$object->object_type})) {
+            return null;
+        }
+
+        $command = new DeleteCommentCommand();
+        $command->setCommentName($object->name);
+        $command->setAuthor($this->getAuth()->getUser()->getUsername());
+
+        return $command;
+    }
+}
diff --git a/application/forms/Command/Object/DeleteDowntimeForm.php b/application/forms/Command/Object/DeleteDowntimeForm.php
new file mode 100644
index 0000000..c34c9a8
--- /dev/null
+++ b/application/forms/Command/Object/DeleteDowntimeForm.php
@@ -0,0 +1,88 @@
+<?php
+
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Icingadb\Forms\Command\Object;
+
+use Icinga\Module\Icingadb\Command\Object\DeleteDowntimeCommand;
+use Icinga\Module\Icingadb\Common\Auth;
+use Icinga\Module\Icingadb\Forms\Command\CommandForm;
+use Icinga\Web\Notification;
+use ipl\Orm\Model;
+use ipl\Web\Common\RedirectOption;
+use ipl\Web\Widget\Icon;
+
+class DeleteDowntimeForm extends CommandForm
+{
+    use Auth;
+    use RedirectOption;
+
+    protected $defaultAttributes = ['class' => 'inline'];
+
+    public function __construct()
+    {
+        $this->on(self::ON_SUCCESS, function () {
+            if ($this->errorOccurred) {
+                return;
+            }
+
+            $countObjects = count($this->getObjects());
+
+            Notification::success(sprintf(
+                tp('Removed downtime successfully', 'Removed downtime from %d objects successfully', $countObjects),
+                $countObjects
+            ));
+        });
+    }
+
+    protected function assembleElements()
+    {
+        $this->addElement($this->createRedirectOption());
+    }
+
+    protected function assembleSubmitButton()
+    {
+        $isDisabled = true;
+        foreach ($this->getObjects() as $downtime) {
+            if ($downtime->scheduled_by === null) {
+                $isDisabled = false;
+                break;
+            }
+        }
+
+        $this->addElement(
+            'submitButton',
+            'btn_submit',
+            [
+                'class' => ['cancel-button', 'spinner'],
+                'disabled' => $isDisabled ?: null,
+                'title' => $isDisabled
+                    ? t('Downtime cannot be removed at runtime because it is based on a configured scheduled downtime.')
+                    : null,
+                'label' => [
+                    new Icon('trash'),
+                    tp('Delete downtime', 'Delete downtimes', count($this->getObjects()))
+                ]
+            ]
+        );
+    }
+
+    /**
+     * @return ?DeleteDowntimeCommand
+     */
+    protected function getCommand(Model $object)
+    {
+        if (
+            ! $this->isGrantedOn('icingadb/command/downtime/delete', $object->{$object->object_type})
+            || $object->scheduled_by !== null
+        ) {
+            return null;
+        }
+
+        $command = new DeleteDowntimeCommand();
+        $command->setDowntimeName($object->name);
+        $command->setAuthor($this->getAuth()->getUser()->getUsername());
+
+        return $command;
+    }
+}
diff --git a/application/forms/Command/Object/ProcessCheckResultForm.php b/application/forms/Command/Object/ProcessCheckResultForm.php
new file mode 100644
index 0000000..e7e23e7
--- /dev/null
+++ b/application/forms/Command/Object/ProcessCheckResultForm.php
@@ -0,0 +1,159 @@
+<?php
+
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Icingadb\Forms\Command\Object;
+
+use Icinga\Module\Icingadb\Command\Object\ProcessCheckResultCommand;
+use Icinga\Module\Icingadb\Common\Auth;
+use Icinga\Module\Icingadb\Forms\Command\CommandForm;
+use Icinga\Module\Icingadb\Model\Host;
+use Icinga\Web\Notification;
+use ipl\Html\Attributes;
+use ipl\Html\HtmlElement;
+use ipl\Html\Text;
+use ipl\Orm\Model;
+use ipl\Web\FormDecorator\IcingaFormDecorator;
+use ipl\Web\Widget\Icon;
+
+class ProcessCheckResultForm extends CommandForm
+{
+    use Auth;
+
+    public function __construct()
+    {
+        $this->on(self::ON_SUCCESS, function () {
+            if ($this->errorOccurred) {
+                return;
+            }
+
+            $countObjects = count($this->getObjects());
+            if (current($this->getObjects()) instanceof Host) {
+                $message = sprintf(tp(
+                    'Submitted passive check result successfully',
+                    'Submitted passive check result for %d hosts successfully',
+                    $countObjects
+                ), $countObjects);
+            } else {
+                $message = sprintf(tp(
+                    'Submitted passive check result successfully',
+                    'Submitted passive check result for %d services successfully',
+                    $countObjects
+                ), $countObjects);
+            }
+
+            Notification::success($message);
+        });
+    }
+
+    protected function assembleElements()
+    {
+        $this->addHtml(new HtmlElement(
+            'div',
+            Attributes::create(['class' => 'form-description']),
+            new Icon('info-circle', ['class' => 'form-description-icon']),
+            new HtmlElement(
+                'ul',
+                null,
+                new HtmlElement(
+                    'li',
+                    null,
+                    Text::create(t('This command is used to submit passive host or service check results.'))
+                )
+            )
+        ));
+
+        $decorator = new IcingaFormDecorator();
+
+        foreach ($this->getObjects() as $object) {
+            /** @var Model $object */
+            // Nasty, but as getObjects() returns everything but an object with a real
+            // iterator interface this is the only way to fetch just the first element
+            break;
+        }
+
+        $this->addElement(
+            'select',
+            'status',
+            [
+                'required'      => true,
+                'label'         => t('Status'),
+                'description'   => t('The state this check result should report'),
+                'multiOptions'  => $object instanceof Host ? [
+                    ProcessCheckResultCommand::HOST_UP          => t('UP', 'icinga.state'),
+                    ProcessCheckResultCommand::HOST_DOWN        => t('DOWN', 'icinga.state')
+                ] : [
+                    ProcessCheckResultCommand::SERVICE_OK       => t('OK', 'icinga.state'),
+                    ProcessCheckResultCommand::SERVICE_WARNING  => t('WARNING', 'icinga.state'),
+                    ProcessCheckResultCommand::SERVICE_CRITICAL => t('CRITICAL', 'icinga.state'),
+                    ProcessCheckResultCommand::SERVICE_UNKNOWN  => t('UNKNOWN', 'icinga.state')
+                ]
+            ]
+        );
+        $decorator->decorate($this->getElement('status'));
+
+        $this->addElement(
+            'text',
+            'output',
+            [
+                'required'      => true,
+                'label'         => t('Output'),
+                'description'   => t('The plugin output of this check result')
+            ]
+        );
+        $decorator->decorate($this->getElement('output'));
+
+        $this->addElement(
+            'text',
+            'perfdata',
+            [
+                'allowEmpty'    => true,
+                'label'         => t('Performance Data'),
+                'description'   => t(
+                    'The performance data of this check result. Leave empty'
+                    . ' if this check result has no performance data'
+                )
+            ]
+        );
+        $decorator->decorate($this->getElement('perfdata'));
+    }
+
+    protected function assembleSubmitButton()
+    {
+        $this->addElement(
+            'submit',
+            'btn_submit',
+            [
+                'required'  => true,
+                'label'     => tp(
+                    'Submit Passive Check Result',
+                    'Submit Passive Check Results',
+                    count($this->getObjects())
+                )
+            ]
+        );
+
+        (new IcingaFormDecorator())->decorate($this->getElement('btn_submit'));
+    }
+
+    /**
+     * @return ?ProcessCheckResultCommand
+     */
+    protected function getCommand(Model $object)
+    {
+        if (
+            ! $object->passive_checks_enabled
+            || ! $this->isGrantedOn('icingadb/command/process-check-result', $object)
+        ) {
+            return null;
+        }
+
+        $command = new ProcessCheckResultCommand();
+        $command->setObject($object);
+        $command->setStatus($this->getValue('status'));
+        $command->setOutput($this->getValue('output'));
+        $command->setPerformanceData($this->getValue('perfdata'));
+
+        return $command;
+    }
+}
diff --git a/application/forms/Command/Object/RemoveAcknowledgementForm.php b/application/forms/Command/Object/RemoveAcknowledgementForm.php
new file mode 100644
index 0000000..a69706a
--- /dev/null
+++ b/application/forms/Command/Object/RemoveAcknowledgementForm.php
@@ -0,0 +1,81 @@
+<?php
+
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Icingadb\Forms\Command\Object;
+
+use Icinga\Module\Icingadb\Command\Object\RemoveAcknowledgementCommand;
+use Icinga\Module\Icingadb\Common\Auth;
+use Icinga\Module\Icingadb\Forms\Command\CommandForm;
+use Icinga\Module\Icingadb\Model\Host;
+use Icinga\Web\Notification;
+use ipl\Orm\Model;
+use ipl\Web\Widget\Icon;
+
+class RemoveAcknowledgementForm extends CommandForm
+{
+    use Auth;
+
+    public function __construct()
+    {
+        $this->on(self::ON_SUCCESS, function () {
+            if ($this->errorOccurred) {
+                return;
+            }
+
+            $countObjects = count($this->getObjects());
+            if (current($this->getObjects()) instanceof Host) {
+                $message = sprintf(tp(
+                    'Removed acknowledgment successfully',
+                    'Removed acknowledgment from %d hosts successfully',
+                    $countObjects
+                ), $countObjects);
+            } else {
+                $message = sprintf(tp(
+                    'Removed acknowledgment successfully',
+                    'Removed acknowledgment from %d services successfully',
+                    $countObjects
+                ), $countObjects);
+            }
+
+            Notification::success($message);
+        });
+    }
+
+    protected $defaultAttributes = ['class' => 'inline'];
+
+    protected function assembleElements()
+    {
+    }
+
+    protected function assembleSubmitButton()
+    {
+        $this->addElement(
+            'submitButton',
+            'btn_submit',
+            [
+                'class' => ['link-button', 'spinner'],
+                'label' => [
+                    new Icon('trash'),
+                    tp('Remove acknowledgement', 'Remove acknowledgements', count($this->getObjects()))
+                ]
+            ]
+        );
+    }
+
+    /**
+     * @return ?RemoveAcknowledgementCommand
+     */
+    protected function getCommand(Model $object)
+    {
+        if (! $this->isGrantedOn('icingadb/command/remove-acknowledgement', $object)) {
+            return null;
+        }
+
+        $command = new RemoveAcknowledgementCommand();
+        $command->setObject($object);
+        $command->setAuthor($this->getAuth()->getUser()->getUsername());
+
+        return $command;
+    }
+}
diff --git a/application/forms/Command/Object/ScheduleCheckForm.php b/application/forms/Command/Object/ScheduleCheckForm.php
new file mode 100644
index 0000000..853516f
--- /dev/null
+++ b/application/forms/Command/Object/ScheduleCheckForm.php
@@ -0,0 +1,134 @@
+<?php
+
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Icingadb\Forms\Command\Object;
+
+use DateInterval;
+use DateTime;
+use Icinga\Module\Icingadb\Command\Object\ScheduleCheckCommand;
+use Icinga\Module\Icingadb\Common\Auth;
+use Icinga\Module\Icingadb\Forms\Command\CommandForm;
+use Icinga\Module\Icingadb\Model\Host;
+use Icinga\Web\Notification;
+use ipl\Html\Attributes;
+use ipl\Html\HtmlElement;
+use ipl\Html\Text;
+use ipl\Orm\Model;
+use ipl\Web\FormDecorator\IcingaFormDecorator;
+use ipl\Web\Widget\Icon;
+
+class ScheduleCheckForm extends CommandForm
+{
+    use Auth;
+
+    public function __construct()
+    {
+        $this->on(self::ON_SUCCESS, function () {
+            if ($this->errorOccurred) {
+                return;
+            }
+
+            $countObjects = count($this->getObjects());
+            if (current($this->getObjects()) instanceof Host) {
+                $message = sprintf(
+                    tp('Scheduled check successfully', 'Scheduled check for %d hosts successfully', $countObjects),
+                    $countObjects
+                );
+            } else {
+                $message = sprintf(
+                    tp('Scheduled check successfully', 'Scheduled check for %d services successfully', $countObjects),
+                    $countObjects
+                );
+            }
+
+            Notification::success($message);
+        });
+    }
+
+    protected function assembleElements()
+    {
+        $this->addHtml(new HtmlElement(
+            'div',
+            Attributes::create(['class' => 'form-description']),
+            new Icon('info-circle', ['class' => 'form-description-icon']),
+            new HtmlElement(
+                'ul',
+                null,
+                new HtmlElement(
+                    'li',
+                    null,
+                    Text::create(t(
+                        'This command is used to schedule the next check of hosts or services. Icinga'
+                        . ' will re-queue the hosts or services to be checked at the time you specify.'
+                    ))
+                )
+            )
+        ));
+
+        $decorator = new IcingaFormDecorator();
+
+        $this->addElement(
+            'localDateTime',
+            'check_time',
+            [
+                'data-use-datetime-picker'  => true,
+                'required'                  => true,
+                'label'                     => t('Check Time'),
+                'description'               => t('Set the date and time when the check should be scheduled.'),
+                'value'                     => (new DateTime())->add(new DateInterval('PT1H'))
+            ]
+        );
+        $decorator->decorate($this->getElement('check_time'));
+
+        $this->addElement(
+            'checkbox',
+            'force_check',
+            [
+                'label'         => t('Force Check'),
+                'description'   => t(
+                    'If you select this option, Icinga will force a check regardless of both what time the'
+                    . ' scheduled check occurs and whether or not checks are enabled.'
+                )
+            ]
+        );
+        $decorator->decorate($this->getElement('force_check'));
+    }
+
+    protected function assembleSubmitButton()
+    {
+        $this->addElement(
+            'submit',
+            'btn_submit',
+            [
+                'required'  => true,
+                'label'     => tp('Schedule check', 'Schedule checks', count($this->getObjects()))
+            ]
+        );
+
+        (new IcingaFormDecorator())->decorate($this->getElement('btn_submit'));
+    }
+
+    /**
+     * @return ?ScheduleCheckCommand
+     */
+    protected function getCommand(Model $object)
+    {
+        if (
+            ! $this->isGrantedOn('icingadb/command/schedule-check', $object)
+            && (
+                ! $object->active_checks_enabled
+                || ! $this->isGrantedOn('icingadb/command/schedule-check/active-only', $object)
+            )
+        ) {
+            return null;
+        }
+
+        $command = new ScheduleCheckCommand();
+        $command->setObject($object);
+        $command->setForced($this->getElement('force_check')->isChecked());
+        $command->setCheckTime($this->getValue('check_time')->getTimestamp());
+
+        return $command;
+    }
+}
diff --git a/application/forms/Command/Object/ScheduleHostDowntimeForm.php b/application/forms/Command/Object/ScheduleHostDowntimeForm.php
new file mode 100644
index 0000000..081316b
--- /dev/null
+++ b/application/forms/Command/Object/ScheduleHostDowntimeForm.php
@@ -0,0 +1,122 @@
+<?php
+
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Icingadb\Forms\Command\Object;
+
+use DateInterval;
+use DateTime;
+use Icinga\Application\Config;
+use Icinga\Module\Icingadb\Command\Object\PropagateHostDowntimeCommand;
+use Icinga\Module\Icingadb\Command\Object\ScheduleHostDowntimeCommand;
+use Icinga\Web\Notification;
+use ipl\Orm\Model;
+use ipl\Web\FormDecorator\IcingaFormDecorator;
+
+class ScheduleHostDowntimeForm extends ScheduleServiceDowntimeForm
+{
+    /** @var bool */
+    protected $hostDowntimeAllServices;
+
+    public function __construct()
+    {
+        $this->start = new DateTime();
+        $config = Config::module('icingadb');
+        $this->commentText = $config->get('settings', 'hostdowntime_comment_text');
+
+        $this->hostDowntimeAllServices = (bool) $config->get('settings', 'hostdowntime_all_services', false);
+
+        $fixedEnd = clone $this->start;
+        $fixed = $config->get('settings', 'hostdowntime_end_fixed', 'PT1H');
+        $this->fixedEnd = $fixedEnd->add(new DateInterval($fixed));
+
+        $flexibleEnd = clone $this->start;
+        $flexible = $config->get('settings', 'hostdowntime_end_flexible', 'PT2H');
+        $this->flexibleEnd = $flexibleEnd->add(new DateInterval($flexible));
+
+        $flexibleDuration = $config->get('settings', 'hostdowntime_flexible_duration', 'PT2H');
+        $this->flexibleDuration = new DateInterval($flexibleDuration);
+
+        $this->on(self::ON_SUCCESS, function () {
+            if ($this->errorOccurred) {
+                return;
+            }
+
+            $countObjects = count($this->getObjects());
+
+            Notification::success(sprintf(
+                tp('Scheduled downtime successfully', 'Scheduled downtime for %d hosts successfully', $countObjects),
+                $countObjects
+            ));
+        });
+    }
+
+    protected function assembleElements()
+    {
+        parent::assembleElements();
+
+        $decorator = new IcingaFormDecorator();
+
+        $this->addElement(
+            'checkbox',
+            'all_services',
+            [
+                'label'         => t('All Services'),
+                'description'   => t(
+                    'Sets downtime for all services for the matched host objects. If child options are set,'
+                    . ' all child hosts and their services will schedule a downtime too.'
+                ),
+                'value'         => $this->hostDowntimeAllServices
+            ]
+        );
+        $decorator->decorate($this->getElement('all_services'));
+
+        $this->addElement(
+            'select',
+            'child_options',
+            array(
+                'description'   => t('Schedule child downtimes.'),
+                'label'         => t('Child Options'),
+                'multiOptions'  => [
+                    0 => t('Do nothing with child hosts'),
+                    1 => t('Schedule triggered downtime for all child hosts'),
+                    2 => t('Schedule non-triggered downtime for all child hosts')
+                ]
+            )
+        );
+        $decorator->decorate($this->getElement('child_options'));
+    }
+
+    /**
+     * @return ?PropagateHostDowntimeCommand|ScheduleHostDowntimeCommand
+     */
+    protected function getCommand(Model $object)
+    {
+        if (! $this->isGrantedOn('icingadb/command/downtime/schedule', $object)) {
+            return null;
+        }
+
+        if (($childOptions = (int) $this->getValue('child_options'))) {
+            $command = new PropagateHostDowntimeCommand();
+            $command->setTriggered($childOptions === 1);
+        } else {
+            $command = new ScheduleHostDowntimeCommand();
+        }
+
+        $command->setObject($object);
+        $command->setComment($this->getValue('comment'));
+        $command->setAuthor($this->getAuth()->getUser()->getUsername());
+        $command->setStart($this->getValue('start')->getTimestamp());
+        $command->setEnd($this->getValue('end')->getTimestamp());
+        $command->setForAllServices($this->getElement('all_services')->isChecked());
+
+        if ($this->getElement('flexible')->isChecked()) {
+            $command->setFixed(false);
+            $command->setDuration(
+                $this->getValue('hours') * 3600 + $this->getValue('minutes') * 60
+            );
+        }
+
+        return $command;
+    }
+}
diff --git a/application/forms/Command/Object/ScheduleServiceDowntimeForm.php b/application/forms/Command/Object/ScheduleServiceDowntimeForm.php
new file mode 100644
index 0000000..05453e2
--- /dev/null
+++ b/application/forms/Command/Object/ScheduleServiceDowntimeForm.php
@@ -0,0 +1,255 @@
+<?php
+
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Icingadb\Forms\Command\Object;
+
+use DateInterval;
+use DateTime;
+use Icinga\Application\Config;
+use Icinga\Module\Icingadb\Command\Object\ScheduleServiceDowntimeCommand;
+use Icinga\Module\Icingadb\Common\Auth;
+use Icinga\Module\Icingadb\Forms\Command\CommandForm;
+use Icinga\Web\Notification;
+use ipl\Html\Attributes;
+use ipl\Html\HtmlElement;
+use ipl\Html\Text;
+use ipl\Orm\Model;
+use ipl\Validator\CallbackValidator;
+use ipl\Web\FormDecorator\IcingaFormDecorator;
+use ipl\Web\Widget\Icon;
+
+class ScheduleServiceDowntimeForm extends CommandForm
+{
+    use Auth;
+
+    /** @var DateTime downtime start */
+    protected $start;
+
+    /** @var DateTime fixed downtime end */
+    protected $fixedEnd;
+
+    /**@var DateTime flexible downtime end */
+    protected $flexibleEnd;
+
+    /**  @var DateInterval flexible downtime duration */
+    protected $flexibleDuration;
+
+    /** @var mixed Comment Text */
+    protected $commentText;
+
+    /**
+     * Initialize this form
+     */
+    public function __construct()
+    {
+        $this->start = new DateTime();
+
+        $config = Config::module('icingadb');
+
+        $this->commentText = $config->get('settings', 'hostdowntime_comment_text');
+        $fixedEnd = clone $this->start;
+        $fixed = $config->get('settings', 'servicedowntime_end_fixed', 'PT1H');
+        $this->fixedEnd = $fixedEnd->add(new DateInterval($fixed));
+
+        $flexibleEnd = clone $this->start;
+        $flexible = $config->get('settings', 'servicedowntime_end_flexible', 'PT2H');
+        $this->flexibleEnd = $flexibleEnd->add(new DateInterval($flexible));
+
+        $flexibleDuration = $config->get('settings', 'servicedowntime_flexible_duration', 'PT2H');
+        $this->flexibleDuration = new DateInterval($flexibleDuration);
+
+        $this->on(self::ON_SUCCESS, function () {
+            if ($this->errorOccurred) {
+                return;
+            }
+
+            $countObjects = count($this->getObjects());
+
+            Notification::success(sprintf(
+                tp('Scheduled downtime successfully', 'Scheduled downtime for %d services successfully', $countObjects),
+                $countObjects
+            ));
+        });
+    }
+
+    protected function assembleElements()
+    {
+        $isFlexible = $this->getPopulatedValue('flexible') === 'y';
+
+        $this->addHtml(new HtmlElement(
+            'div',
+            Attributes::create(['class' => 'form-description']),
+            new Icon('info-circle', ['class' => 'form-description-icon']),
+            new HtmlElement(
+                'ul',
+                null,
+                new HtmlElement(
+                    'li',
+                    null,
+                    Text::create(t(
+                        'This command is used to schedule host and service downtimes. During the downtime specified'
+                        . ' by the start and end time, Icinga will not send notifications out about the hosts and'
+                        . ' services. When the scheduled downtime expires, Icinga will send out notifications for'
+                        . ' the hosts and services as it normally would.'
+                    ))
+                )
+            )
+        ));
+
+        $decorator = new IcingaFormDecorator();
+
+        $this->addElement(
+            'textarea',
+            'comment',
+            [
+                'required'      => true,
+                'label'         => t('Comment'),
+                'description'   => t(
+                    'If you work with other administrators, you may find it useful to share information about'
+                    . ' the host or service that is having problems. Make sure you enter a brief description of'
+                    . ' what you are doing.'
+                ),
+                'value'         => $this->commentText
+            ]
+        );
+        $decorator->decorate($this->getElement('comment'));
+
+        $this->addElement(
+            'localDateTime',
+            'start',
+            [
+                'data-use-datetime-picker'  => true,
+                'required'                  => true,
+                'value'                     => $this->start,
+                'label'                     => t('Start Time'),
+                'description'               => t('Set the start date and time for the downtime.')
+            ]
+        );
+        $decorator->decorate($this->getElement('start'));
+
+        $this->addElement(
+            'localDateTime',
+            'end',
+            [
+                'data-use-datetime-picker'  => true,
+                'required'                  => true,
+                'label'                     => t('End Time'),
+                'description'               => t('Set the end date and time for the downtime.'),
+                'value'                     => $isFlexible ? $this->flexibleEnd : $this->fixedEnd,
+                'validators'                => [
+                    'DateTime' => ['break_chain_on_failure' => true],
+                    'Callback' => function ($value, $validator) {
+                    /** @var CallbackValidator $validator */
+
+                        if ($value <= $this->getValue('start')) {
+                            $validator->addMessage(t('The end time must be greater than the start time'));
+                            return false;
+                        }
+
+                        if ($value <= (new DateTime())) {
+                            $validator->addMessage(t('A downtime must not be in the past'));
+                            return false;
+                        }
+
+                        return true;
+                    }
+                ]
+            ]
+        );
+        $decorator->decorate($this->getElement('end'));
+
+        $this->addElement(
+            'checkbox',
+            'flexible',
+            [
+                'class'         => 'autosubmit',
+                'label'         => t('Flexible'),
+                'description'   => t(
+                    'To make this a flexible downtime, check this option. A flexible downtime starts when the host'
+                    . ' or service enters a problem state sometime between the start and end times you specified.'
+                    . ' It then lasts as long as the duration time you enter.'
+                )
+            ]
+        );
+        $decorator->decorate($this->getElement('flexible'));
+
+        if ($isFlexible) {
+            $hoursInput = $this->createElement(
+                'number',
+                'hours',
+                [
+                    'required'  => true,
+                    'label'     => t('Duration'),
+                    'value'     => $this->flexibleDuration->h,
+                    'min'       => 0
+                ]
+            );
+            $this->registerElement($hoursInput);
+            $decorator->decorate($hoursInput);
+
+            $minutesInput = $this->createElement(
+                'number',
+                'minutes',
+                [
+                    'required'  => true,
+                    'value'     => $this->flexibleDuration->m,
+                    'min'       => 0
+                ]
+            );
+            $this->registerElement($minutesInput);
+            $minutesInput->addWrapper(
+                new HtmlElement('label', null, new HtmlElement('span', null, Text::create(t('Minutes'))))
+            );
+
+            $hoursInput->getWrapper()
+                ->add($minutesInput)
+                ->getAttributes()->add('class', 'downtime-duration');
+            $hoursInput->prependWrapper(
+                new HtmlElement('label', null, new HtmlElement('span', null, Text::create(t('Hours'))))
+            );
+
+            $this->add($hoursInput);
+        }
+    }
+
+    protected function assembleSubmitButton()
+    {
+        $this->addElement(
+            'submit',
+            'btn_submit',
+            [
+                'required'  => true,
+                'label'     => tp('Schedule downtime', 'Schedule downtimes', count($this->getObjects()))
+            ]
+        );
+
+        (new IcingaFormDecorator())->decorate($this->getElement('btn_submit'));
+    }
+
+    /**
+     * @return ?ScheduleServiceDowntimeCommand
+     */
+    protected function getCommand(Model $object)
+    {
+        if (! $this->isGrantedOn('icingadb/command/downtime/schedule', $object)) {
+            return null;
+        }
+
+        $command = new ScheduleServiceDowntimeCommand();
+        $command->setObject($object);
+        $command->setComment($this->getValue('comment'));
+        $command->setAuthor($this->getAuth()->getUser()->getUsername());
+        $command->setStart($this->getValue('start')->getTimestamp());
+        $command->setEnd($this->getValue('end')->getTimestamp());
+
+        if ($this->getElement('flexible')->isChecked()) {
+            $command->setFixed(false);
+            $command->setDuration(
+                $this->getValue('hours') * 3600 + $this->getValue('minutes') * 60
+            );
+        }
+
+        return $command;
+    }
+}
diff --git a/application/forms/Command/Object/SendCustomNotificationForm.php b/application/forms/Command/Object/SendCustomNotificationForm.php
new file mode 100644
index 0000000..9813def
--- /dev/null
+++ b/application/forms/Command/Object/SendCustomNotificationForm.php
@@ -0,0 +1,129 @@
+<?php
+
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Icingadb\Forms\Command\Object;
+
+use Icinga\Application\Config;
+use Icinga\Module\Icingadb\Command\Object\SendCustomNotificationCommand;
+use Icinga\Module\Icingadb\Common\Auth;
+use Icinga\Module\Icingadb\Forms\Command\CommandForm;
+use Icinga\Module\Icingadb\Model\Host;
+use Icinga\Web\Notification;
+use ipl\Html\Attributes;
+use ipl\Html\HtmlElement;
+use ipl\Html\Text;
+use ipl\Orm\Model;
+use ipl\Web\FormDecorator\IcingaFormDecorator;
+use ipl\Web\Widget\Icon;
+
+class SendCustomNotificationForm extends CommandForm
+{
+    use Auth;
+
+    public function __construct()
+    {
+        $this->on(self::ON_SUCCESS, function () {
+            if ($this->errorOccurred) {
+                return;
+            }
+
+            $countObjects = count($this->getObjects());
+            if (current($this->getObjects()) instanceof Host) {
+                $message = sprintf(tp(
+                    'Sent custom notification successfully',
+                    'Sent custom notification for %d hosts successfully',
+                    $countObjects
+                ), $countObjects);
+            } else {
+                $message = sprintf(tp(
+                    'Sent custom notification successfully',
+                    'Sent custom notification for %d services successfully',
+                    $countObjects
+                ), $countObjects);
+            }
+
+            Notification::success($message);
+        });
+    }
+
+    protected function assembleElements()
+    {
+        $this->addHtml(new HtmlElement(
+            'div',
+            Attributes::create(['class' => 'form-description']),
+            new Icon('info-circle', ['class' => 'form-description-icon']),
+            new HtmlElement(
+                'ul',
+                null,
+                new HtmlElement(
+                    'li',
+                    null,
+                    Text::create(t('This command is used to send custom notifications about hosts or services.'))
+                )
+            )
+        ));
+
+        $config = Config::module('icingadb');
+        $decorator = new IcingaFormDecorator();
+
+        $this->addElement(
+            'textarea',
+            'comment',
+            [
+                'required'      => true,
+                'label'         => t('Comment'),
+                'description'   => t(
+                    'Enter a brief description on why you\'re sending this notification. It will be sent with it.'
+                )
+            ]
+        );
+        $decorator->decorate($this->getElement('comment'));
+
+        $this->addElement(
+            'checkbox',
+            'forced',
+            [
+                'label'         => t('Forced'),
+                'value'         => (bool) $config->get('settings', 'custom_notification_forced', false),
+                'description'   => t(
+                    'If you check this option, the notification is sent regardless'
+                    . ' of downtimes or whether notifications are enabled or not.'
+                )
+            ]
+        );
+        $decorator->decorate($this->getElement('forced'));
+    }
+
+    protected function assembleSubmitButton()
+    {
+        $this->addElement(
+            'submit',
+            'btn_submit',
+            [
+                'required'  => true,
+                'label'     => tp('Send custom notification', 'Send custom notifications', count($this->getObjects()))
+            ]
+        );
+
+        (new IcingaFormDecorator())->decorate($this->getElement('btn_submit'));
+    }
+
+    /**
+     * @return ?SendCustomNotificationCommand
+     */
+    protected function getCommand(Model $object)
+    {
+        if (! $this->isGrantedOn('icingadb/command/send-custom-notification', $object)) {
+            return null;
+        }
+
+        $command = new SendCustomNotificationCommand();
+        $command->setObject($object);
+        $command->setComment($this->getValue('comment'));
+        $command->setForced($this->getElement('forced')->isChecked());
+        $command->setAuthor($this->getAuth()->getUser()->getUsername());
+
+        return $command;
+    }
+}
diff --git a/application/forms/Command/Object/ToggleObjectFeaturesForm.php b/application/forms/Command/Object/ToggleObjectFeaturesForm.php
new file mode 100644
index 0000000..8b2d2d2
--- /dev/null
+++ b/application/forms/Command/Object/ToggleObjectFeaturesForm.php
@@ -0,0 +1,188 @@
+<?php
+
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Icingadb\Forms\Command\Object;
+
+use Icinga\Module\Icingadb\Command\Object\ToggleObjectFeatureCommand;
+use Icinga\Module\Icingadb\Common\Auth;
+use Icinga\Module\Icingadb\Forms\Command\CommandForm;
+use Icinga\Web\Notification;
+use ipl\Html\FormElement\CheckboxElement;
+use ipl\Orm\Model;
+use ipl\Web\FormDecorator\IcingaFormDecorator;
+
+class ToggleObjectFeaturesForm extends CommandForm
+{
+    use Auth;
+
+    const LEAVE_UNCHANGED = 'noop';
+
+    protected $features;
+
+    protected $featureStatus;
+
+    /**
+     * ToggleFeature(s) being used to submit this form
+     *
+     * @var ToggleObjectFeatureCommand[]
+     */
+    protected $submittedFeatures = [];
+
+    public function __construct($featureStatus)
+    {
+        $this->featureStatus = $featureStatus;
+        $this->features = [
+            ToggleObjectFeatureCommand::FEATURE_ACTIVE_CHECKS => [
+                'label'         => t('Active Checks'),
+                'permission'    => 'icingadb/command/feature/object/active-checks'
+            ],
+            ToggleObjectFeatureCommand::FEATURE_PASSIVE_CHECKS => [
+                'label'         => t('Passive Checks'),
+                'permission'    => 'icingadb/command/feature/object/passive-checks'
+            ],
+            ToggleObjectFeatureCommand::FEATURE_NOTIFICATIONS => [
+                'label'         => t('Notifications'),
+                'permission'    => 'icingadb/command/feature/object/notifications'
+            ],
+            ToggleObjectFeatureCommand::FEATURE_EVENT_HANDLER => [
+                'label'         => t('Event Handler'),
+                'permission'    => 'icingadb/command/feature/object/event-handler'
+            ],
+            ToggleObjectFeatureCommand::FEATURE_FLAP_DETECTION => [
+                'label'         => t('Flap Detection'),
+                'permission'    => 'icingadb/command/feature/object/flap-detection'
+            ]
+        ];
+
+        $this->getAttributes()->add('class', 'object-features');
+
+        $this->on(self::ON_SUCCESS, function () {
+            if ($this->errorOccurred) {
+                return;
+            }
+
+            foreach ($this->submittedFeatures as $feature) {
+                $enabled = $feature->getEnabled();
+                switch ($feature->getFeature()) {
+                    case ToggleObjectFeatureCommand::FEATURE_ACTIVE_CHECKS:
+                        if ($enabled) {
+                            $message = t('Enabled active checks successfully');
+                        } else {
+                            $message = t('Disabled active checks successfully');
+                        }
+
+                        break;
+                    case ToggleObjectFeatureCommand::FEATURE_PASSIVE_CHECKS:
+                        if ($enabled) {
+                            $message = t('Enabled passive checks successfully');
+                        } else {
+                            $message = t('Disabled passive checks successfully');
+                        }
+
+                        break;
+                    case ToggleObjectFeatureCommand::FEATURE_EVENT_HANDLER:
+                        if ($enabled) {
+                            $message = t('Enabled event handler successfully');
+                        } else {
+                            $message = t('Disabled event handler checks successfully');
+                        }
+
+                        break;
+                    case ToggleObjectFeatureCommand::FEATURE_FLAP_DETECTION:
+                        if ($enabled) {
+                            $message = t('Enabled flap detection successfully');
+                        } else {
+                            $message = t('Disabled flap detection successfully');
+                        }
+
+                        break;
+                    case ToggleObjectFeatureCommand::FEATURE_NOTIFICATIONS:
+                        if ($enabled) {
+                            $message = t('Enabled notifications successfully');
+                        } else {
+                            $message = t('Disabled notifications successfully');
+                        }
+
+                        break;
+                    default:
+                        $message = t('Invalid feature option');
+                        break;
+                }
+
+                Notification::success($message);
+            }
+        });
+    }
+
+    protected function assembleElements()
+    {
+        $decorator = new IcingaFormDecorator();
+        foreach ($this->features as $feature => $spec) {
+            $options = [
+                'class'         => 'autosubmit',
+                'disabled'      => $this->featureStatus instanceof Model
+                    ? ! $this->isGrantedOn($spec['permission'], $this->featureStatus)
+                    : false,
+                'label'         => $spec['label']
+            ];
+            if ($this->featureStatus[$feature] === 2) {
+                $this->addElement(
+                    'select',
+                    $feature,
+                    $options + [
+                        'description'   => t('Multiple Values'),
+                        'options'       => [
+                            self::LEAVE_UNCHANGED => t('Leave Unchanged'),
+                            t('Disable All'),
+                            t('Enable All')
+                        ],
+                        'value'         => self::LEAVE_UNCHANGED
+                    ]
+                );
+                $decorator->decorate($this->getElement($feature));
+
+                $this->getElement($feature)
+                    ->getWrapper()
+                    ->getAttributes()
+                    ->add('class', 'indeterminate');
+            } else {
+                $options['value'] = (bool) $this->featureStatus[$feature];
+                $this->addElement('checkbox', $feature, $options);
+                $decorator->decorate($this->getElement($feature));
+            }
+        }
+    }
+
+    protected function assembleSubmitButton()
+    {
+    }
+
+    protected function getCommand(Model $object): \Generator
+    {
+        foreach ($this->features as $feature => $spec) {
+            if ($this->getElement($feature) instanceof CheckboxElement) {
+                $featureState = $this->getElement($feature)->isChecked();
+            } else {
+                $featureState = $this->getElement($feature)->getValue();
+            }
+
+            if (
+                ! $this->isGrantedOn($spec['permission'], $object)
+                || $featureState === self::LEAVE_UNCHANGED
+                || (int) $featureState === (int) $this->featureStatus[$feature]
+            ) {
+                continue;
+            }
+
+            $command = new ToggleObjectFeatureCommand();
+            $command->setObject($object);
+            $command->setFeature($feature);
+            $command->setEnabled((int) $featureState);
+
+            $this->submittedFeatures[] = $command;
+
+            yield $command;
+        }
+    }
+}