115 lines
3.4 KiB
PHP
115 lines
3.4 KiB
PHP
<?php
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/**
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* @package Joomla.Platform
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* @subpackage Form
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*
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* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE
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*/
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defined('JPATH_PLATFORM') or die;
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/**
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* Form Rule class for the Joomla Platform.
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*
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* @package Joomla.Platform
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* @subpackage Form
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* @since 11.1
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*/
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class JFormRuleRules extends JFormRule
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{
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/**
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* Method to test the value.
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*
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* @param SimpleXMLElement $element The SimpleXMLElement object representing the <field /> tag for the form field object.
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* @param mixed $value The form field value to validate.
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* @param string $group The field name group control value. This acts as as an array container for the field.
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* For example if the field has name="foo" and the group value is set to "bar" then the
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* full field name would end up being "bar[foo]".
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* @param JRegistry $input An optional JRegistry object with the entire data set to validate against the entire form.
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* @param JForm $form The form object for which the field is being tested.
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*
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* @return boolean True if the value is valid, false otherwise.
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*
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* @since 11.1
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*/
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public function test(SimpleXMLElement $element, $value, $group = null, JRegistry $input = null, JForm $form = null)
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{
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// Get the possible field actions and the ones posted to validate them.
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$fieldActions = self::getFieldActions($element);
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$valueActions = self::getValueActions($value);
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// Make sure that all posted actions are in the list of possible actions for the field.
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foreach ($valueActions as $action)
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{
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if (!in_array($action, $fieldActions))
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{
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return false;
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}
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}
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return true;
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}
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/**
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* Method to get the list of permission action names from the form field value.
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*
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* @param mixed $value The form field value to validate.
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*
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* @return array A list of permission action names from the form field value.
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*
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* @since 11.1
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*/
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protected function getValueActions($value)
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{
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$actions = array();
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// Iterate over the asset actions and add to the actions.
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foreach ((array) $value as $name => $rules)
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{
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$actions[] = $name;
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}
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return $actions;
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}
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/**
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* Method to get the list of possible permission action names for the form field.
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*
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* @param SimpleXMLElement $element The SimpleXMLElement object representing the <field /> tag for the
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* form field object.
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*
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* @return array A list of permission action names from the form field element definition.
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*
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* @since 11.1
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*/
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protected function getFieldActions(SimpleXMLElement $element)
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{
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$actions = array();
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// Initialise some field attributes.
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$section = $element['section'] ? (string) $element['section'] : '';
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$component = $element['component'] ? (string) $element['component'] : '';
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// Get the asset actions for the element.
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$elActions = JAccess::getActions($component, $section);
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// Iterate over the asset actions and add to the actions.
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foreach ($elActions as $item)
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{
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$actions[] = $item->name;
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}
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// Iterate over the children and add to the actions.
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foreach ($element->children() as $el)
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{
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if ($el->getName() == 'action')
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{
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$actions[] = (string) $el['name'];
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}
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}
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return $actions;
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}
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}
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