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<?php |
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/** |
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* UriDetector.php - Jaxon request UriDetector 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 UriDetector |
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{ |
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/** |
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* The URL components |
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* |
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* @var array |
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*/ |
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protected $aUrl; |
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/** |
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* @param array $server The HTTP request server data |
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* |
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* @return void |
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*/ |
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private function setScheme(array $server) |
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{ |
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if(isset($this->aUrl['scheme'])) |
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{ |
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return; |
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} |
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if(isset($server['HTTP_SCHEME'])) |
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{ |
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$this->aUrl['scheme'] = $server['HTTP_SCHEME']; |
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return; |
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} |
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$this->aUrl['scheme'] = (isset($server['HTTPS']) && strtolower($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 $server The HTTP request server 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 $server, string $sKey) |
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{ |
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if(isset($this->aUrl['host']) && isset($server[$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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$this->aUrl['host'] = $server[$sKey]; |
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return; |
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} |
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list($this->aUrl['host'], $this->aUrl['port']) = explode(':', $server[$sKey]); |
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} |
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/** |
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* @param array $server The HTTP request server data |
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* |
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* @return void |
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* @throws UriException |
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*/ |
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private function setHost(array $server) |
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{ |
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$this->setHostFromServer($server, 'HTTP_X_FORWARDED_HOST'); |
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$this->setHostFromServer($server, 'HTTP_HOST'); |
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$this->setHostFromServer($server, 'SERVER_NAME'); |
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if(empty($this->aUrl['host'])) |
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{ |
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throw new UriException(); |
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} |
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if(empty($this->aUrl['port']) && isset($server['SERVER_PORT'])) |
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{ |
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$this->aUrl['port'] = $server['SERVER_PORT']; |
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} |
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} |
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/** |
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* @param array $server The HTTP request server data |
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* |
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* @return void |
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*/ |
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private function setPath(array $server) |
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{ |
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if(isset($this->aUrl['path']) && strlen(basename($this->aUrl['path'])) === 0) |
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{ |
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unset($this->aUrl['path']); |
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} |
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if(isset($this->aUrl['path'])) |
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{ |
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return; |
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} |
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$aPath = parse_url($server['PATH_INFO'] ?? $server['PHP_SELF']); |
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if(isset($aPath['path'])) |
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{ |
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$this->aUrl['path'] = str_replace(['"', "'", '<', '>'], ['%22', '%27', '%3C', '%3E'], $aPath['path']); |
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} |
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} |
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/** |
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* @return string |
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*/ |
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private function getUser(): string |
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{ |
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if(empty($this->aUrl['user'])) |
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{ |
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return ''; |
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} |
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$sUrl = $this->aUrl['user']; |
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if(isset($this->aUrl['pass'])) |
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{ |
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$sUrl .= ':' . $this->aUrl['pass']; |
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} |
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return $sUrl . '@'; |
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} |
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/** |
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* @return string |
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*/ |
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private function getPort(): string |
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{ |
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if(isset($this->aUrl['port']) && |
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(($this->aUrl['scheme'] === 'http' && $this->aUrl['port'] != 80) || |
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($this->aUrl['scheme'] === 'https' && $this->aUrl['port'] != 443))) |
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{ |
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return ':' . $this->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 $server The HTTP request server data |
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* |
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* @return void |
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*/ |
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private function setQuery(array $server) |
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{ |
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if(empty($this->aUrl['query'])) |
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{ |
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$this->aUrl['query'] = empty($server['QUERY_STRING']) ? '' : $server['QUERY_STRING']; |
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} |
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} |
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/** |
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* @return string |
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*/ |
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private function getQuery(): string |
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{ |
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if(empty($this->aUrl['query'])) |
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{ |
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return ''; |
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} |
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$aQueries = explode("&", $this->aUrl['query']); |
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foreach($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 UriDetector of the current request |
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* |
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* @param array $server The server data in the HTTP request |
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* |
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* @return string |
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* @throws UriException |
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*/ |
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public function detect(array $server): string |
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{ |
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$this->aUrl = []; |
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// Try to get the request URL |
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if(isset($server['REQUEST_URI'])) |
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{ |
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$sUri = str_replace(['"', "'", '<', '>'], ['%22', '%27', '%3C', '%3E'], $server['REQUEST_URI']); |
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$this->aUrl = parse_url($sUri); |
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} |
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// Fill in the empty values |
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$this->setScheme($server); |
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$this->setHost($server); |
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$this->setPath($server); |
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$this->setQuery($server); |
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// Build the URL: Start with scheme, user and pass |
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return $this->aUrl['scheme'] . '://' . $this->getUser() . $this->aUrl['host'] . |
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$this->getPort() . $this->aUrl['path'] . $this->getQuery(); |
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} |
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} |
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jaxon-php /
jaxon-utils
