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<?php |
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namespace Thinktomorrow\Url; |
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use Thinktomorrow\Url\Exceptions\InvalidUrl; |
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class Root |
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{ |
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/** @var string|null */ |
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private $scheme; |
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/** @var string|null */ |
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private $host; |
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/** @var string|null */ |
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private $port; |
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/** @var bool */ |
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private $anonymousScheme; |
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/** @var null|string */ |
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private $defaultScheme; |
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/** @var bool */ |
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private $secure = false; |
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/** @var bool */ |
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private $valid = false; |
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private function __construct(?string $scheme = null, ?string $host = null, ?string $port = null, bool $anonymousScheme, ?string $defaultScheme = 'http://') |
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{ |
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$this->scheme = $scheme; |
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$this->host = $host; |
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$this->port = $port; |
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$this->anonymousScheme = $anonymousScheme; |
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$this->defaultScheme = $defaultScheme; |
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if (false !== filter_var($this->get(), FILTER_VALIDATE_URL)) { |
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$this->valid = true; |
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} |
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if ($this->composeScheme() == 'https://') { |
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$this->secure(); |
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} |
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} |
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public static function fromString(string $host) |
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{ |
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return new static(...array_values(static::parse($host))); |
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} |
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public function get() |
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{ |
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return $this->composeScheme() . |
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$this->host() . |
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( $this->port() ? ':'.$this->port : null ); |
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} |
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public function valid(): bool |
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{ |
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return $this->valid; |
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} |
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public function secure(): self |
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{ |
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$this->secure = true; |
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$this->scheme = 'https'; |
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return $this; |
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} |
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private function composeScheme() |
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{ |
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return $this->scheme() ? $this->scheme().'://' : ($this->anonymousScheme ? '//' : $this->defaultScheme); |
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} |
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public function replaceScheme(string $scheme): self |
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{ |
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return new static( |
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$scheme, |
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$this->host, |
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$this->port, |
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false, |
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$this->defaultScheme |
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); |
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} |
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public function defaultScheme(?string $scheme = null): self |
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{ |
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return new static( |
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$this->scheme, |
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$this->host, |
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$this->port, |
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$this->anonymousScheme, |
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$scheme |
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); |
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} |
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public function host(): ?string |
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{ |
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return $this->host; |
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} |
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public function scheme(): ?string |
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{ |
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return $this->scheme; |
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} |
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public function port(): ?string |
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{ |
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return $this->port; |
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} |
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private static function parse(string $url) |
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{ |
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if (in_array($url, ['//','/'])){ |
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return [ |
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'scheme' => null, |
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'host' => null, |
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'port' => null, |
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'anonymousScheme' => false, |
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]; |
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} |
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$parsed = parse_url($url); |
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if (false === $parsed) { |
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throw new InvalidUrl('Failed to parse url. Invalid url ['.$url.'] passed as parameter.'); |
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} |
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return [ |
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'scheme' => $parsed['scheme'] ?? null, |
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'host' => static::parseHost($parsed), |
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'port' => $parsed['port'] ?? null, |
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'anonymousScheme' => static::isAnonymousScheme($url), |
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]; |
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} |
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public function __toString(): string |
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{ |
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return $this->get(); |
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} |
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/** |
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* If an url is passed with anonymous scheme, e.g. //example.com, parse_url will ignore this and |
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* strip the first tags so we need to explicitly reassemble the 'anonymous scheme' manually |
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* |
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* @param string $host |
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* @return bool |
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*/ |
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private static function isAnonymousScheme(string $host): bool |
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{ |
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$parsed = parse_url($host); |
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return !isset($parsed['scheme']) && (0 === strpos($host, '//') && isset($parsed['host'])); |
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} |
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private static function parseHost(array $parsed): ?string |
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{ |
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if (isset($parsed['host'])) { |
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return $parsed['host']; |
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} |
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if(!isset($parsed['path'])) return null; |
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// e.g. /foo/bar |
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if((0 === strpos($parsed['path'], '/'))) return null; |
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// Invalid tld (missing .tld) |
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if(false == strpos($parsed['path'], '.')) return null; |
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// e.g. example.com/foo |
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if( (0 < strpos($parsed['path'], '/')) ) return substr($parsed['path'], 0, strpos($parsed['path'], '/')); |
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// e.g. foo or example.com |
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return $parsed['path']; |
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} |
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} |
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thinktomorrow /
url
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