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<?php |
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/** |
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* League.Uri (http://uri.thephpleague.com) |
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* |
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* @package League.uri |
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* @author Ignace Nyamagana Butera <[email protected]> |
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* @copyright 2016 Ignace Nyamagana Butera |
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* @license https://github.com/thephpleague/uri/blob/master/LICENSE (MIT License) |
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* @version 4.2.0 |
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* @link https://github.com/thephpleague/uri/ |
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*/ |
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namespace League\Uri\Modifiers; |
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use League\Uri\Interfaces\Uri; |
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use Psr\Http\Message\UriInterface; |
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/** |
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* Resolve an URI according to a base URI using |
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* RFC3986 rules |
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* |
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* @package League.uri |
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* @author Ignace Nyamagana Butera <[email protected]> |
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* @since 4.2.0 |
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*/ |
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class Relativize extends AbstractUriModifier |
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{ |
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/** |
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* Base URI |
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* |
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* @var Uri|UriInterface |
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*/ |
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protected $uri; |
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/** |
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* New instance |
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* |
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* @param Uri|UriInterface $uri |
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*/ |
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public function __construct($uri) |
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{ |
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102 |
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$this->assertUriObject($uri); |
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102 |
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$this->uri = $this->hostToAscii($uri); |
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} |
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102 |
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protected function hostToAscii($uri) |
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{ |
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102 |
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static $modifier; |
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102 |
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if (null === $modifier) { |
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$modifier = new HostToAscii(); |
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} |
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return $modifier($uri); |
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} |
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/** |
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* Return a Uri object modified according to the modifier |
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* |
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* @param Uri|UriInterface $payload |
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* |
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* @return Uri|UriInterface |
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*/ |
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102 |
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public function __invoke($payload) |
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{ |
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102 |
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$this->assertUriObject($payload); |
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102 |
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$payload_normalized = $this->hostToAscii($payload); |
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102 |
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if ($this->uri->getScheme() !== $payload_normalized->getScheme() |
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102 |
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|| $this->uri->getAuthority() !== $payload_normalized->getAuthority() |
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) { |
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return $payload; |
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} |
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$path = $this->relativizePath($payload->getPath()); |
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return $payload |
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->withScheme('') |
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->withPort(null) |
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->withUserInfo('') |
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->withHost('') |
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->withPath($this->formatPath($path)); |
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} |
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/** |
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* Relative the URI for a authority-less payload URI |
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* |
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* @param string $path |
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* |
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* @return string |
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*/ |
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69 |
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protected function relativizePath($path) |
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{ |
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69 |
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$segments = $this->getSegments($path); |
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69 |
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$basename = array_pop($segments); |
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69 |
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$basePath = $this->uri->getPath(); |
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69 |
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if ($basePath === $path) { |
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return $basename; |
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} |
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$baseSegments = $this->getSegments($basePath); |
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array_pop($baseSegments); |
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foreach ($baseSegments as $offset => $segment) { |
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if (!isset($segments[$offset]) || $segment !== $segments[$offset]) { |
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break; |
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} |
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unset($baseSegments[$offset], $segments[$offset]); |
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} |
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$segments[] = $basename; |
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return str_repeat('../', count($baseSegments)).implode('/', $segments); |
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} |
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/** |
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* returns the path segments |
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* |
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* @param string $path |
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* |
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* @return array |
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*/ |
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protected function getSegments($path) |
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{ |
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if ('' !== $path && '/' === $path[0]) { |
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$path = substr($path, 1); |
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} |
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return explode('/', $path); |
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} |
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/** |
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* Post formatting the path to keep a valid URI |
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* |
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* @param string $path |
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* |
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* @return string |
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*/ |
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69 |
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protected function formatPath($path) |
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{ |
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69 |
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if ('' === $path) { |
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9 |
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$basePath = $this->uri->getPath(); |
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return in_array($basePath, ['', '/']) ? $basePath : './'; |
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} |
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if (false === ($colonPos = strpos($path, ':'))) { |
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return $path; |
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} |
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6 |
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$slashPos = strpos($path, '/'); |
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6 |
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if (false === $slashPos || $colonPos < $slashPos) { |
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return "./$path"; |
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} |
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3 |
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return $path; |
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} |
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} |
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thephpleague /
uri
