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<?php |
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namespace vipnytt\RobotsTxtParser\Client\Directives; |
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use vipnytt\RobotsTxtParser\Parser\UriParser; |
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/** |
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* Class HostClient |
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* |
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* @see https://github.com/VIPnytt/RobotsTxtParser/blob/master/docs/methods/HostClient.md for documentation |
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* @package vipnytt\RobotsTxtParser\Client\Directives |
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*/ |
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class HostClient implements ClientInterface |
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{ |
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use UriParser; |
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/** |
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* Base uri |
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* @var string |
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*/ |
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private $base; |
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/** |
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* Effective uri |
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* @var string |
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*/ |
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private $effective; |
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/** |
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* Host values |
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* @var string[] |
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*/ |
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private $host; |
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/** |
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* Parent directive |
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* @var string|null |
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*/ |
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private $parent; |
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/** |
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* HostClient constructor. |
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* |
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* @param string $base |
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* @param string $effective |
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* @param string[] $host |
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* @param string|null $parentDirective |
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*/ |
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public function __construct($base, $effective, array $host, $parentDirective = null) |
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{ |
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$this->base = $base; |
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$this->effective = $effective; |
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$this->host = $host; |
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$this->parent = $parentDirective; |
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} |
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/** |
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* Is preferred host |
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* |
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* @return bool |
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*/ |
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public function isPreferred() |
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{ |
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if (($host = $this->get()) === null) { |
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return $this->base === $this->effective; |
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} |
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$parsed = parse_url($host); |
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$new = [ |
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'scheme' => isset($parsed['scheme']) ? $parsed['scheme'] : parse_url($this->base, PHP_URL_SCHEME), |
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'host' => isset($parsed['host']) ? $parsed['host'] : $parsed['path'], |
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]; |
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$new['port'] = isset($parsed['port']) ? $parsed['port'] : getservbyname($new['scheme'], 'tcp'); |
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return $this->base == $new['scheme'] . '://' . $new['host'] . ':' . $new['port']; |
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} |
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/** |
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* Get |
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* |
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* @return string|null |
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*/ |
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public function get() |
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{ |
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return isset($this->host[0]) ? $this->host[0] : null; |
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} |
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/** |
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* Get with uri redirect fallback |
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* |
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* @return string |
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*/ |
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public function getWithFallback() |
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{ |
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if (($get = $this->get()) !== null) { |
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// Host defined by the Host directive |
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return $get; |
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} elseif ( |
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$this->base !== $this->effective && |
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parse_url($this->base, PHP_URL_HOST) === ($host = parse_url($this->effective, PHP_URL_HOST)) |
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) { |
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// Host is the same, but Scheme or Port is different |
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return getservbyname($scheme = parse_url($this->effective, PHP_URL_SCHEME), 'tcp') === parse_url($this->effective, PHP_URL_PORT) ? $scheme . '://' . $host : $this->effective; |
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} |
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// Return Host name only |
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return parse_url($this->effective, PHP_URL_HOST); |
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} |
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/** |
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* Is host listed by directive |
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* |
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* @param string $uri |
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* @return bool |
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*/ |
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public function isUriListed($uri) |
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{ |
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$uri = mb_strtolower($this->urlEncode($uri)); |
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$parts = [ |
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'scheme' => parse_url($uri, PHP_URL_SCHEME), |
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'host' => parse_url($uri, PHP_URL_HOST), |
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]; |
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$parts['port'] = is_int($port = parse_url($uri, PHP_URL_PORT)) ? $port : getservbyname($parts['scheme'], 'tcp'); |
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$cases = [ |
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$parts['host'], |
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$parts['host'] . ':' . $parts['port'], |
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$parts['scheme'] . '://' . $parts['host'], |
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$parts['scheme'] . '://' . $parts['host'] . ':' . $parts['port'] |
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]; |
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foreach ($this->host as $host) { |
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if (in_array($host, $cases)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Export |
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* |
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* @return string[]|string|null |
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*/ |
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public function export() |
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{ |
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if ($this->parent === null) { |
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return isset($this->host[0]) ? $this->host[0] : null; |
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} |
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return $this->host; |
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} |
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} |
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VIPnytt /
RobotsTxtParser
