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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/request |
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* @copyright Copyright (c) 2019 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 Webino; |
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/** |
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* Class BasePath |
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* @package request |
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*/ |
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class BasePath implements BasePathInterface |
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{ |
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/** |
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* @var string |
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*/ |
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private $basePath; |
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/** |
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* @var HttpRequestInterface |
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*/ |
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private $request; |
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/** |
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* @var RequestUriInterface |
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*/ |
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private $requestUri; |
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/** |
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* @param CreateInstanceEventInterface $event |
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* @return BasePath |
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*/ |
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public static function create(CreateInstanceEventInterface $event): BasePath |
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{ |
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$params = $event->getParameters(); |
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return new static(...$params); |
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} |
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/** |
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* @param HttpRequestInterface $request |
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* @param RequestUriInterface $requestUri |
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*/ |
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public function __construct(HttpRequestInterface $request, RequestUriInterface $requestUri) |
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{ |
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$this->request = $request; |
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$this->requestUri = $requestUri; |
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} |
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/** |
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* @return string |
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*/ |
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public function __toString(): string |
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{ |
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$this->basePath or $this->basePath = $this->createHttpBasePath(); |
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return $this->basePath; |
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} |
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/** |
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* @see https://github.com/zendframework/zend-http/blob/master/src/PhpEnvironment/Request.php |
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* @return string |
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*/ |
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protected function createHttpBasePath(): string |
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{ |
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$request = $this->request; |
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$filename = $request[$request::SCRIPT_FILENAME] ?? ''; |
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$scriptName = $request[$request::SCRIPT_NAME] ?? ''; |
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$phpSelf = $request['PHP_SELF'] ?? $scriptName; |
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$origScriptName = $request['ORIG_SCRIPT_NAME'] ?? ''; |
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if ($scriptName !== null && basename($scriptName) === $filename) { |
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$basePath = $scriptName; |
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} elseif ($phpSelf !== null && basename($phpSelf) === $filename) { |
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$basePath = $phpSelf; |
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} elseif ($origScriptName !== null && basename($origScriptName) === $filename) { |
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// 1and1 shared hosting compatibility. |
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$basePath = $origScriptName; |
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} else { |
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// Backtrack up the SCRIPT_FILENAME to find the portion |
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// matching PHP_SELF. |
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$basePath = ''; |
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$basename = basename($filename); |
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if ($basename) { |
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$path = ($phpSelf ? trim($phpSelf, '/') : ''); |
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$basePos = strpos($path, $basename) ?: 0; |
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$basePath .= substr($path, 0, $basePos) . $basename; |
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} |
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} |
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// If the basePath is empty, then simply return it. |
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if (empty($basePath)) { |
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return ''; |
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} |
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// Does the base URL have anything in common with the request URI? |
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$requestUri = (string) $this->requestUri; |
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// Full base URL matches. |
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if (0 === strpos($requestUri, $basePath)) { |
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return $basePath; |
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} |
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// Directory portion of base path matches. |
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$baseDir = '/' . str_replace('\\', '/', dirname($basePath)); |
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if (0 === strpos($requestUri, $baseDir)) { |
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return $baseDir; |
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} |
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$truncatedRequestUri = $requestUri; |
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if (false !== ($pos = strpos($requestUri, '?'))) { |
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$truncatedRequestUri = substr($requestUri, 0, $pos); |
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} |
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// No match whatsoever |
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$basename = basename($basePath); |
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if (empty($basename) || false === strpos($truncatedRequestUri, $basename)) { |
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return ''; |
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} |
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// If using mod_rewrite or ISAPI_Rewrite strip the script filename |
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// out of the base path. $pos !== 0 makes sure it is not matching a |
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// value from PATH_INFO or QUERY_STRING. |
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if (strlen($requestUri) >= strlen($basePath) |
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&& (false !== ($pos = strpos($requestUri, $basePath)) && $pos !== 0) |
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) { |
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$basePath = substr($requestUri, 0, $pos + strlen($basePath)); |
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} |
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return $basePath; |
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} |
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} |
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webino /
request
