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<?php |
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/** |
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* ownCloud - galleryplus |
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* |
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* This file is licensed under the Affero General Public License version 3 or |
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* later. See the COPYING file. |
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* |
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* @author Olivier Paroz <[email protected]> |
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* |
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* @copyright Olivier Paroz 2015 |
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*/ |
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namespace OCA\GalleryPlus\Config; |
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/** |
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* Validates parsed configuration elements |
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* |
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* @package OCA\GalleryPlus\Config |
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*/ |
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class ConfigValidator { |
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/** |
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* Determines if the content of that sub-section is safe for web use |
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* |
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* @param string $key the configuration sub-section identifier |
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* @param array $parsedConfigItem the configuration for a sub-section |
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* |
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* @return bool |
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*/ |
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public function isConfigSafe($key, $parsedConfigItem) { |
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$safe = true; |
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switch ($key) { |
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case 'sorting': |
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$safe = $this->isSortingSafe('type',$parsedConfigItem, $safe); |
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$safe = $this->isSortingSafe('order',$parsedConfigItem, $safe); |
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break; |
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case 'design': |
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$safe = $this->isDesignColourSafe($parsedConfigItem, $safe); |
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break; |
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} |
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return $safe; |
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} |
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/** |
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* Determines if the sorting type found in the config file is safe for web use |
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* @param string will specify the key to check 'type' or 'order' |
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* @param array $parsedConfigItem the sorting configuration to analyse |
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* @param bool $safe whether the current config has been deemed safe to use so far |
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* @return bool |
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*/ |
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private function isSortingSafe($key,$parsedConfigItem, $safe) { |
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if ($safe && array_key_exists($key, $parsedConfigItem)) { |
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$safe = $safe && $this->sortingValidator($key, $parsedConfigItem[ $key ]); |
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} |
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return $safe; |
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} |
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/** |
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* Determines if the background colour found in the config file is safe for web use |
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* |
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* @param array $parsedConfigItem the design configuration to analyse |
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* @param bool $safe whether the current config has been deemed safe to use so far |
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* |
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* @return bool |
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*/ |
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private function isDesignColourSafe($parsedConfigItem, $safe) { |
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if (array_key_exists('background', $parsedConfigItem)) { |
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$background = $parsedConfigItem['background']; |
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$safe = $safe && ctype_xdigit(substr($background, 1)); |
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} |
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return $safe; |
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} |
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/** |
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* Validates the parsed sorting values against allowed values |
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* |
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* @param string $section the section in the sorting config to be analysed |
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* @param string $value the value found in that section |
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* |
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* @return bool |
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*/ |
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private function sortingValidator($section, $value) { |
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if ($section === 'type') { |
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$validValues = ['date', 'name']; |
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} else { |
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$validValues = ['des', 'asc']; |
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} |
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return in_array($value, $validValues); |
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} |
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} |
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interfasys /
galleryplus
