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<?php |
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/** |
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* URI.php - Jaxon request URI detector |
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* |
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* Detect and parse the URI of the Jaxon request being processed. |
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* |
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* @package jaxon-core |
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* @author Thierry Feuzeu <[email protected]> |
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* @copyright 2022 Thierry Feuzeu <[email protected]> |
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* @license https://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License |
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* @link https://github.com/jaxon-php/jaxon-core |
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*/ |
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namespace Jaxon\Utils\Http; |
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use function strpos; |
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use function explode; |
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use function implode; |
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use function strtolower; |
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use function strlen; |
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use function basename; |
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use function parse_url; |
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use function str_replace; |
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class URI |
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{ |
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/** |
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* @param array $aUrl |
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* |
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* @return void |
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*/ |
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private function setScheme(array &$aUrl) |
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{ |
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if(!empty($aUrl['scheme'])) |
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{ |
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return; |
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} |
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if(!empty($_SERVER['HTTP_SCHEME'])) |
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{ |
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$aUrl['scheme'] = $_SERVER['HTTP_SCHEME']; |
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return; |
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} |
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$aUrl['scheme'] = (!empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) != 'off') ? 'https' : 'http'; |
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} |
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/** |
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* Get the URL from the $_SERVER var |
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* |
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* @param array $aUrl The URL data |
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* @param string $sKey The key in the $_SERVER array |
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* |
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* @return void |
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*/ |
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private function setHostFromServer(array &$aUrl, string $sKey) |
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{ |
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if(!empty($aUrl['host']) && !empty($_SERVER[$sKey])) |
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{ |
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return; |
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} |
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if(strpos($_SERVER[$sKey], ':') === false) |
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{ |
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$aUrl['host'] = $_SERVER[$sKey]; |
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return; |
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} |
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list($aUrl['host'], $aUrl['port']) = explode(':', $_SERVER[$sKey]); |
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} |
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/** |
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* @param array $aUrl |
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* |
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* @return void |
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* @throws Error |
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*/ |
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private function setHost(array &$aUrl) |
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{ |
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$this->setHostFromServer($aUrl, 'HTTP_X_FORWARDED_HOST'); |
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$this->setHostFromServer($aUrl, 'HTTP_HOST'); |
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$this->setHostFromServer($aUrl, 'SERVER_NAME'); |
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if(empty($aUrl['host'])) |
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{ |
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throw new Error(); |
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} |
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if(empty($aUrl['port']) && !empty($_SERVER['SERVER_PORT'])) |
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{ |
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$aUrl['port'] = $_SERVER['SERVER_PORT']; |
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} |
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} |
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/** |
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* @param array $aUrl |
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* |
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* @return void |
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*/ |
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private function setPath(array &$aUrl) |
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{ |
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if(!empty($aUrl['path']) && strlen(basename($aUrl['path'])) === 0) |
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{ |
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unset($aUrl['path']); |
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} |
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if(!empty($aUrl['path'])) |
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{ |
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return; |
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} |
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$sPath = parse_url(!empty($_SERVER['PATH_INFO']) ? $_SERVER['PATH_INFO'] : $_SERVER['PHP_SELF']); |
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if(isset($sPath['path'])) |
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{ |
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$aUrl['path'] = str_replace(['"', "'", '<', '>'], ['%22', '%27', '%3C', '%3E'], $sPath['path']); |
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} |
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} |
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/** |
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* @param array $aUrl |
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* |
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* @return string |
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*/ |
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private function getUser(array $aUrl) |
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{ |
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if(empty($aUrl['user'])) |
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{ |
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return ''; |
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} |
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$sUrl = $aUrl['user']; |
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if(!empty($aUrl['pass'])) |
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{ |
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$sUrl .= ':' . $aUrl['pass']; |
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} |
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return $sUrl . '@'; |
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} |
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/** |
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* @param array $aUrl |
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* |
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* @return string |
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*/ |
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private function getPort(array $aUrl) |
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{ |
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if(!empty($aUrl['port']) && |
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(($aUrl['scheme'] === 'http' && $aUrl['port'] != 80) || |
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($aUrl['scheme'] === 'https' && $aUrl['port'] != 443))) |
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{ |
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return ':' . $aUrl['port']; |
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} |
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return ''; |
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} |
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/** |
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* @param array $aUrl |
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* |
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* @return void |
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*/ |
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private function setQuery(array &$aUrl) |
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{ |
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if(empty($aUrl['query'])) |
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{ |
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$aUrl['query'] = empty($_SERVER['QUERY_STRING']) ? '' : $_SERVER['QUERY_STRING']; |
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} |
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} |
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/** |
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* @param array $aUrl |
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* |
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* @return string |
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*/ |
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private function getQuery(array $aUrl) |
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{ |
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if(empty($aUrl['query'])) |
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{ |
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return ''; |
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} |
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$aQueries = explode("&", $aUrl['query']); |
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foreach($aQueries as $sKey => $sQuery) |
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{ |
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if(substr($sQuery, 0, 11) === 'jxnGenerate') |
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{ |
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unset($aQueries[$sKey]); |
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} |
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} |
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return '?' . implode("&", $aQueries); |
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} |
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/** |
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* Detect the URI of the current request |
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* |
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* @return string |
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* @throws Error |
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*/ |
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public function detect() |
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{ |
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$aUrl = []; |
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// Try to get the request URL |
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if(!empty($_SERVER['REQUEST_URI'])) |
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{ |
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$_SERVER['REQUEST_URI'] = str_replace(['"', "'", '<', '>'], ['%22', '%27', '%3C', '%3E'], $_SERVER['REQUEST_URI']); |
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$aUrl = parse_url($_SERVER['REQUEST_URI']); |
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} |
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// Fill in the empty values |
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$this->setScheme($aUrl); |
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$this->setHost($aUrl); |
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$this->setPath($aUrl); |
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$this->setQuery($aUrl); |
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// Build the URL: Start with scheme, user and pass |
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return $aUrl['scheme'] . '://' . $this->getUser($aUrl) . $aUrl['host'] . |
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$this->getPort($aUrl) . $aUrl['path'] . $this->getQuery($aUrl); |
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} |
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} |
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jaxon-php /
jaxon-utils
