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<?php |
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|
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namespace Spatie\ImageOptimizer; |
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|
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use InvalidArgumentException; |
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|
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class Image |
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{ |
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protected $pathToImage = ''; |
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protected const ALLOWED_PROTOCOLS = ['file']; |
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|
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protected const WINDOWS_LOCAL_FILENAME_REGEX = '/^[a-z]:(?:[\\\\\/]?(?:[\w\s!#()-]+|[\.]{1,2})+)*[\\\\\/]?/i'; |
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|
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public function __construct(string $pathToImage) |
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{ |
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if (! $this->isProtocolAllowed($pathToImage)) { |
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throw new InvalidArgumentException(\sprintf('The output file scheme is not supported. Expected one of [\'%s\'].', \implode('\', \'', self::ALLOWED_PROTOCOLS))); |
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} |
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|
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if (! file_exists($pathToImage)) { |
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throw new InvalidArgumentException("`{$pathToImage}` does not exist"); |
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} |
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|
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$this->pathToImage = $pathToImage; |
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} |
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|
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public function mime(): string |
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{ |
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return mime_content_type($this->pathToImage); |
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} |
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|
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public function path(): string |
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{ |
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return $this->pathToImage; |
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} |
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|
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public function extension(): string |
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{ |
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$extension = pathinfo($this->pathToImage, PATHINFO_EXTENSION); |
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|
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return strtolower($extension); |
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} |
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|
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protected function isProtocolAllowed($filename) |
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{ |
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if (false === $parsedFilename = \parse_url($filename)) { |
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throw new InvalidArgumentException('The filename is not valid.'); |
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} |
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|
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$protocol = isset($parsedFilename['scheme']) ? \mb_strtolower($parsedFilename['scheme']) : 'file'; |
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|
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if ( |
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\PHP_OS_FAMILY === 'Windows' |
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&& \strlen($protocol) === 1 |
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&& \preg_match(self::WINDOWS_LOCAL_FILENAME_REGEX, $filename) |
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) { |
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$protocol = 'file'; |
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} |
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|
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return \in_array($protocol, self::ALLOWED_PROTOCOLS, true); |
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} |
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} |
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|
