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<?php |
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/** |
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* This file is part of sitemap-common. |
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* |
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* (c) 2016 Daniele Moraschi |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace SiteMap\Http; |
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class UrlUtil |
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{ |
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/** |
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* @param Url $baseUrl |
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* @param Url $url |
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* @return bool |
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* @throws \RuntimeException |
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*/ |
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public static function checkSameHost(Url $baseUrl, Url $url) |
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{ |
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if ($baseUrl->getHost() == null) { |
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throw new \RuntimeException("Base URL is null"); |
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} |
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return $baseUrl->getHost() == $url->getHost(); |
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} |
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/** |
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* @param Url $baseUrl |
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* @param $link |
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* @return string |
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*/ |
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public static function getAbsoluteLink(Url $baseUrl, $link) |
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{ |
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if (! $link) { |
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return $baseUrl->getWebUrl(); |
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} |
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if (self::isSingleSlashed($link)) { |
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return self::addSchemaAndHost($baseUrl, $link); |
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} |
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if (self::isDoubleSlashed($link)) { |
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return self::addSchema($baseUrl, $link); |
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} |
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if (self::isRelative($link)) { |
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return self::buildUrl($baseUrl, $link); |
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} |
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return $link; |
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} |
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/** |
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* @TODO Improve this, definitely not the most elegant way. |
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* @param $link |
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* @return bool |
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*/ |
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public static function isRelative($link) |
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{ |
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return $link && ($link[0] === '#' |
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|| $link[0] === '?' |
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|| (strlen($link) > 3 && $link[0].$link[1].$link[2] === '../') |
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|| (strlen($link) > 2 && $link[0].$link[1] === './') |
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|| self::isPathOnly($link) |
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|| self::isSingleSlashed($link) |
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|| self::isDoubleSlashed($link)); |
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} |
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/** |
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* @param $link |
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* @return bool |
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*/ |
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public static function isPathOnly($link) |
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{ |
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$parts = parse_url($link); |
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return count($parts) === 1 && isset($parts['path']); |
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} |
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/** |
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* @param $link |
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* @return bool |
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*/ |
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public static function isSingleSlashed($link) { |
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return (! self::isDoubleSlashed($link)) && $link[0] === '/'; |
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} |
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/** |
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* @param $link |
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* @return bool |
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*/ |
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public static function isDoubleSlashed($link) { |
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return strlen($link) > 1 && $link[0].$link[1] === '//'; |
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} |
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/** |
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* @param Url $baseUrl |
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* @param $partial |
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* @return string |
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*/ |
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public static function buildUrl(Url $baseUrl, $partial) |
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{ |
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return rtrim($baseUrl->getWebUrl(), '/') .'/'. ltrim($partial, '/'); |
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} |
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/** |
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* @param Url $baseUrl |
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* @param $partial |
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* @return string |
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*/ |
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public static function addSchema(Url $baseUrl, $partial) |
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{ |
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return $baseUrl->getSchema() .':'. $partial; |
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} |
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/** |
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* @param Url $baseUrl |
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* @param $partial |
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* @return string |
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*/ |
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public static function addSchemaAndHost(Url $baseUrl, $partial) |
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{ |
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return $baseUrl->getSchema() .'://'. $baseUrl->getHost() .'/'. ltrim($partial, '/'); |
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} |
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} |
danielemoraschi /
sitemap-common
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