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<?php |
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|
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namespace GuzzleHttp\Psr7; |
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|
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use Psr\Http\Message\UriInterface; |
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|
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/** |
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* Provides methods to determine if a modified URL should be considered cross-origin. |
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* |
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* @author Graham Campbell |
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*/ |
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final class UriComparator |
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{ |
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/** |
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* Determines if a modified URL should be considered cross-origin with |
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* respect to an original URL. |
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* |
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* @return bool |
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*/ |
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public static function isCrossOrigin(UriInterface $original, UriInterface $modified) |
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{ |
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if (\strcasecmp($original->getHost(), $modified->getHost()) !== 0) { |
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return true; |
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} |
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|
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if ($original->getScheme() !== $modified->getScheme()) { |
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return true; |
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} |
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|
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if (self::computePort($original) !== self::computePort($modified)) { |
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return true; |
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} |
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|
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return false; |
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} |
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|
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/** |
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* @return int |
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*/ |
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private static function computePort(UriInterface $uri) |
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{ |
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$port = $uri->getPort(); |
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|
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if (null !== $port) { |
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return $port; |
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} |
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|
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return 'https' === $uri->getScheme() ? 443 : 80; |
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} |
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|
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private function __construct() |
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{ |
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// cannot be instantiated |
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} |
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} |
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|
