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<?php |
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namespace OAuth\Common\Http\Uri; |
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use RuntimeException; |
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/** |
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* Factory class for uniform resource indicators |
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*/ |
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class UriFactory implements UriFactoryInterface |
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{ |
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/** |
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* Factory method to build a URI from a super-global $_SERVER array. |
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* |
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* @param array $_server |
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* |
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* @return UriInterface |
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*/ |
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public function createFromSuperGlobalArray(array $_server) |
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{ |
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if ($uri = $this->attemptProxyStyleParse($_server)) { |
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return $uri; |
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} |
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$scheme = $this->detectScheme($_server); |
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$host = $this->detectHost($_server); |
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$port = $this->detectPort($_server); |
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$path = $this->detectPath($_server); |
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$query = $this->detectQuery($_server); |
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return $this->createFromParts($scheme, '', $host, $port, $path, $query); |
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} |
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/** |
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* @param string $absoluteUri |
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* |
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* @return UriInterface |
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*/ |
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public function createFromAbsolute($absoluteUri) |
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{ |
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return new Uri($absoluteUri); |
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} |
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/** |
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* Factory method to build a URI from parts |
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* |
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* @param string $scheme |
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* @param string $userInfo |
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* @param string $host |
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* @param string $port |
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* @param string $path |
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* @param string $query |
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* @param string $fragment |
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* |
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* @return UriInterface |
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*/ |
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public function createFromParts($scheme, $userInfo, $host, $port, $path = '', $query = '', $fragment = '') |
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{ |
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$uri = new Uri(); |
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$uri->setScheme($scheme); |
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$uri->setUserInfo($userInfo); |
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$uri->setHost($host); |
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$uri->setPort($port); |
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$uri->setPath($path); |
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$uri->setQuery($query); |
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$uri->setFragment($fragment); |
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return $uri; |
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} |
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/** |
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* @param array $_server |
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* |
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* @return UriInterface|null |
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*/ |
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private function attemptProxyStyleParse($_server) |
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{ |
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// If the raw HTTP request message arrives with a proxy-style absolute URI in the |
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// initial request line, the absolute URI is stored in $_SERVER['REQUEST_URI'] and |
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// we only need to parse that. |
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if (isset($_server['REQUEST_URI']) && parse_url($_server['REQUEST_URI'], PHP_URL_SCHEME)) { |
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return new Uri($_server['REQUEST_URI']); |
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} |
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return null; |
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} |
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/** |
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* @param array $_server |
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* |
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* @return string |
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* |
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* @throws RuntimeException |
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*/ |
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private function detectPath($_server) |
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{ |
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if (isset($_server['REQUEST_URI'])) { |
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$uri = $_server['REQUEST_URI']; |
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} elseif (isset($_server['REDIRECT_URL'])) { |
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$uri = $_server['REDIRECT_URL']; |
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} else { |
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throw new RuntimeException('Could not detect URI path from superglobal'); |
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} |
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$queryStr = strpos($uri, '?'); |
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if ($queryStr !== false) { |
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$uri = substr($uri, 0, $queryStr); |
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} |
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return $uri; |
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} |
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/** |
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* @param array $_server |
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* |
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* @return string |
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*/ |
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private function detectHost(array $_server) |
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{ |
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$host = isset($_server['HTTP_HOST']) ? $_server['HTTP_HOST'] : ''; |
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if (strstr($host, ':')) { |
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$host = parse_url($host, PHP_URL_HOST); |
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} |
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return $host; |
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} |
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/** |
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* @param array $_server |
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* |
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* @return string |
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*/ |
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private function detectPort(array $_server) |
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{ |
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return isset($_server['SERVER_PORT']) ? $_server['SERVER_PORT'] : 80; |
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} |
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/** |
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* @param array $_server |
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* |
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* @return string |
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*/ |
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private function detectQuery(array $_server) |
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{ |
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return isset($_server['QUERY_STRING']) ? $_server['QUERY_STRING'] : ''; |
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} |
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/** |
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* Determine URI scheme component from superglobal array |
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* |
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* When using ISAPI with IIS, the value will be "off" if the request was |
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* not made through the HTTPS protocol. As a result, we filter the |
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* value to a bool. |
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* |
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* @param array $_server A super-global $_SERVER array |
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* |
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* @return string Returns http or https depending on the URI scheme |
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*/ |
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private function detectScheme(array $_server) |
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{ |
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if (isset($_server['HTTPS']) && filter_var($_server['HTTPS'], FILTER_VALIDATE_BOOLEAN)) { |
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return 'https'; |
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} else { |
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return 'http'; |
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} |
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} |
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} |
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Lusitanian /
PHPoAuthLib
