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libraries/fof40/Model/DataModel/Behaviour/Assets.php

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+<?php
+/**
+ * @package   FOF
+ * @copyright Copyright (c)2010-2022 Nicholas K. Dionysopoulos / Akeeba Ltd
+ * @license   GNU General Public License version 3, or later
+ */
+
+namespace FOF40\Model\DataModel\Behaviour;
+
+defined('_JEXEC') || die;
+
+use FOF40\Event\Observer;
+use FOF40\Model\DataModel;
+use Joomla\CMS\Access\Rules;
+use Joomla\CMS\Factory;
+use Joomla\CMS\Table\Asset;
+
+/**
+ * FOF model behavior class to add Joomla! ACL assets support
+ *
+ * @since    2.1
+ */
+class Assets extends Observer
+{
+	public function onAfterSave(DataModel &$model)
+	{
+		if (!$model->hasField('asset_id') || !$model->isAssetsTracked())
+		{
+			return true;
+		}
+
+		$assetFieldAlias = $model->getFieldAlias('asset_id');
+		$currentAssetId  = $model->getFieldValue('asset_id');
+
+		unset($model->$assetFieldAlias);
+
+		// Create the object used for inserting/updating data to the database
+		$fields = $model->getTableFields();
+
+		// Let's remove the asset_id field, since we unset the property above and we would get a PHP notice
+		if (isset($fields[$assetFieldAlias]))
+		{
+			unset($fields[$assetFieldAlias]);
+		}
+
+		// Asset Tracking
+		$parentId = $model->getAssetParentId();
+		$name     = $model->getAssetName();
+		$title    = $model->getAssetTitle();
+
+		$asset = new Asset(Factory::getDbo());
+		$asset->loadByName($name);
+
+		// Re-inject the asset id.
+		$this->$assetFieldAlias = $asset->id;
+
+		// Check for an error.
+		$error = $asset->getError();
+
+		// Since we are using \Joomla\CMS\Table\Table, there is no way to mock it and test for failures :(
+		// @codeCoverageIgnoreStart
+		if (!empty($error))
+		{
+			throw new \Exception($error);
+		}
+		// @codeCoverageIgnoreEnd
+
+		// Specify how a new or moved node asset is inserted into the tree.
+		// Since we're unsetting the table field before, this statement is always true...
+		if (empty($model->$assetFieldAlias) || $asset->parent_id !== $parentId)
+		{
+			$asset->setLocation($parentId, 'last-child');
+		}
+
+		// Prepare the asset to be stored.
+		$asset->parent_id = $parentId;
+		$asset->name      = $name;
+		$asset->title     = $title;
+
+		if ($model->getRules() instanceof Rules)
+		{
+			$asset->rules = (string) $model->getRules();
+		}
+
+		// Since we are using \Joomla\CMS\Table\Table, there is no way to mock it and test for failures :(
+		// @codeCoverageIgnoreStart
+		if (!$asset->check() || !$asset->store())
+		{
+			throw new \Exception($asset->getError());
+		}
+		// @codeCoverageIgnoreEnd
+
+		// Create an asset_id or heal one that is corrupted.
+		if (empty($model->$assetFieldAlias) || (($currentAssetId != $model->$assetFieldAlias) && !empty($model->$assetFieldAlias)))
+		{
+			// Update the asset_id field in this table.
+			$model->$assetFieldAlias = (int) $asset->id;
+
+			$k = $model->getKeyName();
+
+			$db = $model->getDbo();
+
+			$query = $db->getQuery(true)
+				->update($db->qn($model->getTableName()))
+				->set($db->qn($assetFieldAlias) . ' = ' . (int) $model->$assetFieldAlias)
+				->where($db->qn($k) . ' = ' . (int) $model->$k);
+
+			$db->setQuery($query)->execute();
+		}
+
+		return true;
+	}
+
+	public function onAfterBind(DataModel &$model, &$src)
+	{
+		if (!$model->isAssetsTracked())
+		{
+			return true;
+		}
+
+		$rawRules = [];
+
+		if (is_array($src) && array_key_exists('rules', $src) && is_array($src['rules']))
+		{
+			$rawRules = $src['rules'];
+		}
+		elseif (is_object($src) && isset($src->rules) && is_array($src->rules))
+		{
+			$rawRules = $src->rules;
+		}
+
+		if (empty($rawRules))
+		{
+			return true;
+		}
+
+		// Bind the rules.
+		if (isset($rawRules) && is_array($rawRules))
+		{
+			// We have to manually remove any empty value, since they will be converted to int,
+			// and "Inherited" values will become "Denied". Joomla is doing this manually, too.
+			$rules = [];
+
+			foreach ($rawRules as $action => $ids)
+			{
+				// Build the rules array.
+				$rules[$action] = [];
+
+				foreach ($ids as $id => $p)
+				{
+					if ($p !== '')
+					{
+						$rules[$action][$id] = $p == '1' || $p == 'true';
+					}
+				}
+			}
+
+			$model->setRules($rules);
+		}
+
+		return true;
+	}
+
+	public function onBeforeDelete(DataModel &$model, $oid)
+	{
+		if (!$model->isAssetsTracked())
+		{
+			return true;
+		}
+
+		$k = $model->getKeyName();
+
+		// If the table is not loaded, let's try to load it with the id
+		if (!$model->$k)
+		{
+			$model->load($oid);
+		}
+
+		// If I have an invalid assetName I have to stop
+		$name = $model->getAssetName();
+
+		// Do NOT touch \Joomla\CMS\Table\Table here -- we are loading the core asset table which is a \Joomla\CMS\Table\Table, not a FOF Table
+		$asset = new Asset(Factory::getDbo());
+
+		if ($asset->loadByName($name))
+		{
+			// Since we are using \Joomla\CMS\Table\Table, there is no way to mock it and test for failures :(
+			// @codeCoverageIgnoreStart
+			if (!$asset->delete())
+			{
+				throw new \Exception($asset->getError());
+			}
+			// @codeCoverageIgnoreEnd
+		}
+
+		return true;
+	}
+}