From b18bc644404e02b57635bfcc8258e85abb141146 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 13 Apr 2024 13:44:46 +0200
Subject: Adding upstream version 1.1.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 application/forms/Command/CommandForm.php | 179 ++++++++++++++++++++++++++++++
 1 file changed, 179 insertions(+)
 create mode 100644 application/forms/Command/CommandForm.php

(limited to 'application/forms/Command/CommandForm.php')

diff --git a/application/forms/Command/CommandForm.php b/application/forms/Command/CommandForm.php
new file mode 100644
index 0000000..a535c6d
--- /dev/null
+++ b/application/forms/Command/CommandForm.php
@@ -0,0 +1,179 @@
+<?php
+
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Icingadb\Forms\Command;
+
+use ArrayIterator;
+use Exception;
+use Generator;
+use Icinga\Application\Logger;
+use Icinga\Module\Icingadb\Command\IcingaCommand;
+use Icinga\Module\Icingadb\Command\Transport\CommandTransport;
+use Icinga\Module\Icingadb\Common\Auth;
+use Icinga\Web\Notification;
+use Icinga\Web\Session;
+use ipl\Html\Form;
+use ipl\Orm\Model;
+use ipl\Web\Common\CsrfCounterMeasure;
+use Traversable;
+
+abstract class CommandForm extends Form
+{
+    use Auth;
+    use CsrfCounterMeasure;
+
+    protected $defaultAttributes = ['class' => 'icinga-form icinga-controls'];
+
+    /** @var mixed */
+    protected $objects;
+
+    /** @var bool */
+    protected $isApiTarget = false;
+
+    /**
+     * 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;
+    }
+
+    /**
+     * Set whether this form is an API target
+     *
+     * @param bool $state
+     *
+     * @return $this
+     */
+    public function setIsApiTarget(bool $state = true): self
+    {
+        $this->isApiTarget = $state;
+
+        return $this;
+    }
+
+    /**
+     * Get whether this form is an API target
+     *
+     * @return bool
+     */
+    public function isApiTarget(): bool
+    {
+        return $this->isApiTarget;
+    }
+
+    /**
+     * 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 commands to issue for the given objects
+     *
+     * @param Traversable<Model> $objects
+     *
+     * @return Traversable<IcingaCommand>
+     */
+    abstract protected function getCommands(Traversable $objects): Traversable;
+
+    protected function assemble()
+    {
+        $this->assembleElements();
+
+        if (! $this->isApiTarget()) {
+            $this->assembleSubmitButton();
+            $this->addElement($this->createCsrfCounterMeasure(Session::getSession()->getId()));
+        }
+    }
+
+    protected function onSuccess()
+    {
+        $errors = [];
+        $objects = $this->getObjects();
+
+        foreach ($this->getCommands(is_array($objects) ? new ArrayIterator($objects) : $objects) 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);
+    }
+
+    /**
+     * Yield the $objects the currently logged in user has the permission $permission for
+     *
+     * @param string      $permission
+     * @param Traversable $objects
+     *
+     * @return Generator
+     */
+    protected function filterGrantedOn(string $permission, Traversable $objects): Generator
+    {
+        foreach ($objects as $object) {
+            if ($this->isGrantedOn($permission, $object)) {
+                yield $object;
+            }
+        }
+    }
+}
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