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<?php |
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namespace ExoUNX\Vasri; |
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use Illuminate\Support\Facades\File; |
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use Exception; |
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/** |
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* Access class for Vasri |
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* Class Vasri |
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* |
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* @package ExoUNX\Vasri |
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* @author Gaige Lama <[email protected]> |
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* @license MIT License |
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* @link https://github.com/ExoUNX/Vasri |
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*/ |
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class Vasri |
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{ |
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/** |
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* @var Builder |
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*/ |
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private $builder; |
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/** |
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* @var ManifestReader |
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*/ |
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private $manifestReader; |
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/** |
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* @var array |
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*/ |
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private $vasriManifest; |
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/** |
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* @var mixed |
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*/ |
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private $appEnvironment; |
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/** |
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* @var |
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*/ |
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private $vasriConfig; |
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/** |
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* @var |
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*/ |
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private $isMixManifestAltEnabled; |
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/** |
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* Vasri constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->builder = new Builder(); |
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$this->manifestReader = new ManifestReader(); |
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$this->vasriConfig = config('vasri'); |
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$this->isMixManifestAltEnabled = $this->vasriConfig['mix-manifest-alt']; |
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$this->vasriManifest = $this->manifestReader->getManifest(base_path('vasri-manifest.json')); |
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$this->appEnvironment = env('APP_ENV', 'production'); |
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} |
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/** |
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* The Vasri helper function |
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* |
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* @param string $file |
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* @param bool $enableVersioning |
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* @param bool $enableSRI |
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* |
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* @param string $keyword |
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* |
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* @return string |
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* @throws Exception |
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*/ |
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public function vasri( |
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string $file, |
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bool $enableVersioning = true, |
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bool $enableSRI = true, |
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string $keyword = 'anonymous' |
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): string { |
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$altFile = ''; |
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if ($this->isMixManifestAltEnabled) { |
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$altFile = $this->vasriManifest[$file]['alt']; |
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} |
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if (self::isPublicFile($file) || self::isPublicFile($altFile)) { |
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return $this->addAttributes($file, $altFile, $enableVersioning, $enableSRI, $keyword); |
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} else { |
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throw new Exception('Incorrect file path or file does not exist for local asset'); |
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} |
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} |
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/** |
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* Fetches the SRI hash from the Vasri Manifest and adds the crossorigin attribute |
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* |
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* @param string $file |
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* |
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* @param string $keyword |
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* |
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* @return string |
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*/ |
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private function getSRI(string $file, string $keyword): string |
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{ |
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return sprintf('integrity="%s" %s', $this->vasriManifest[$file]['sri'], $this->builder->crossOrigin($keyword)); |
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} |
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/** |
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* Builds all the attributes |
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* |
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* @param string $file |
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* @param string $altFile |
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* @param bool $enableVersioning |
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* |
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* @param bool $enableSRI |
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* @param string $keyword |
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* |
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* @return string |
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* @throws Exception |
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*/ |
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private function addAttributes( |
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string $file, |
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string $altFile, |
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bool $enableVersioning, |
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bool $enableSRI, |
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string $keyword |
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): string { |
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$option = $this->getOptions($enableVersioning, $enableSRI); |
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$output = $this->getSourceAttribute($file); |
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if ($option['versioning']) { |
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$path = $file; |
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if ($this->isMixManifestAltEnabled) { |
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$path = $altFile; |
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} |
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$output = $this->getSourceAttribute($path, $this->getVersioning($file)); |
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} |
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if ($option['sri']) { |
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$output = sprintf('%s %s', $output, $this->getSRI($file, $keyword)); |
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} |
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return $output; |
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} |
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/** |
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* Fetches the version query string from the Vasri Manifest |
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* |
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* @param string $file |
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* |
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* @return string |
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*/ |
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private function getVersioning(string $file): string |
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{ |
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return $this->vasriManifest[$file]['version']; |
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} |
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/** |
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* Figures out whether or not to toggle versioning and sri |
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* |
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* @param bool $enableVersioning |
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* @param bool $enableSRI |
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* |
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* @return array |
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*/ |
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private function getOptions(bool $enableVersioning, bool $enableSRI): array |
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{ |
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return [ |
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'versioning' => ! ($this->appEnvironment === 'local' |
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&& ! config('vasri.local-versioning') |
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|| ! $enableVersioning |
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|| ! $this->vasriConfig['versioning'] |
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), |
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'sri' => $enableSRI && $this->vasriConfig['sri'], |
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]; |
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} |
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/** |
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* Gets source attribute based on the extension, adds file path and version |
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* |
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* @param string $file |
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* @param string $version |
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* |
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* @return string |
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* @throws Exception |
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*/ |
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private function getSourceAttribute(string $file, string $version = ''): string |
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{ |
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return sprintf('%s="%s%s"', $this->builder->attribute($file), $file, $version); |
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} |
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/** |
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* Checks if the file is in the Laravel public path |
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* |
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* @param string $file |
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* |
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* @return bool |
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*/ |
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private static function isPublicFile(string $file): bool |
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{ |
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return File::exists(public_path($file)); |
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} |
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} |
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