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<?php |
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/** |
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* Webino (http://webino.sk) |
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* |
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* @link https://github.com/webino/WebinoCanonicalRedirect for the canonical source repository |
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* @copyright Copyright (c) 2014-2017 Webino, s. r. o. (http://webino.sk) |
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* @author Peter Bačinský <[email protected]> |
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* @license BSD-3-Clause |
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*/ |
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namespace WebinoCanonicalRedirect\Uri; |
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use Zend\Uri\UriInterface; |
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/** |
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* URI Canonicalizer |
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*/ |
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class Canonicalizer |
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{ |
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/** |
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* @var UriInterface |
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*/ |
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protected $uri; |
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/** |
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* @var string |
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*/ |
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protected $baseUrl; |
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/** |
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* @var bool |
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*/ |
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protected $isCanonicalized = false; |
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/** |
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* @param UriInterface $uri |
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* @param null $baseUrl |
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*/ |
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public function __construct(UriInterface $uri, $baseUrl = null) |
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{ |
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$this->uri = $uri; |
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$this->baseUrl = $baseUrl; |
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$uriPath = $this->uri->getPath(); |
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if (false !== strpos($uriPath, '/index.php')) { |
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$this->uri->setPath(str_replace('/index.php', '', $uriPath)); |
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$this->isCanonicalized = true; |
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} |
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} |
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/** |
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* Return true if URI was canonicalized |
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* |
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* @return bool |
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*/ |
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public function isCanonicalized() |
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{ |
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return $this->isCanonicalized; |
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} |
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/** |
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* Canonicalize URI to use www or not |
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* |
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* @param bool $useWww |
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* @return self |
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*/ |
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public function www($useWww) |
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{ |
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$host = $this->uri->getHost(); |
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$has = (0 === strpos($host, 'www')); |
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$dotsCount = substr_count($host, '.'); |
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$isSubdomain = (!$has && 2 <= $dotsCount); |
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$isLocalhost = (!$has && 0 === $dotsCount); |
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if (($has && $useWww) || (!$has && !$useWww) |
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|| $isSubdomain |
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|| $isLocalhost |
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) { |
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return $this; |
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} |
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$host = $useWww ? 'www.' . $host : preg_replace('~^www\.~', '', $host); |
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$this->uri->setHost($host); |
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$this->isCanonicalized = true; |
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return $this; |
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} |
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/** |
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* Canonicalize URI to use trailingSlash or not |
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* |
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* @param bool $useTrailingSlash |
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* @return self |
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*/ |
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public function trailingSlash($useTrailingSlash) |
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{ |
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$fullUriPath = $this->uri->getPath(); |
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$uriPath = trim($fullUriPath, '/'); |
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$baseUrl = trim($this->baseUrl, '/'); |
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if (empty($uriPath) || $uriPath === $baseUrl) { |
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return $this; |
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} |
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$has = ('/' === $fullUriPath[strlen($fullUriPath) - 1]); |
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$use = ($useTrailingSlash && !preg_match('~\.[a-zA-Z0-9]{1,}$~', $uriPath)); |
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if (($has && $use) || (!$has && !$use)) { |
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return $this; |
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} |
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$newUriPath = $use ? '/' . $uriPath . '/' : '/' . $uriPath; |
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$this->uri->setPath($newUriPath); |
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$this->isCanonicalized = true; |
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return $this; |
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} |
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/** |
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* Return URI as string |
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* |
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* @return string |
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*/ |
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public function toString() |
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{ |
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return $this->uri->toString(); |
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} |
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/** |
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* Magic method to convert the URI to a string |
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* |
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* @return string |
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*/ |
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public function __toString() |
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{ |
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try { |
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return $this->toString(); |
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} catch (\Exception $exc) { |
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return ''; |
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} |
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} |
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} |
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webino /
WebinoCanonicalRedirect
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