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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 Url |
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{ |
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private $parsed; |
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private $root; |
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private $secure; |
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private $forceScheme = false; |
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/** |
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* Schemeless url is considered to be an url with a // prepend. |
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* @var bool |
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*/ |
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private $schemeless = false; |
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private $absolute = false; |
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private function __construct(string $url) |
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{ |
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$this->parse($url); |
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} |
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public static function fromString(string $url) |
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{ |
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return new self($url); |
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} |
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public function setCustomRoot(Root $root) |
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{ |
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$this->root = $root; |
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return $this; |
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} |
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public function secure() |
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{ |
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return $this->scheme(true); |
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} |
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public function scheme(bool $secure = true) |
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{ |
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$this->forceScheme = true; |
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$this->secure = $secure; |
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return $this; |
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} |
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public function get() |
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{ |
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if ($this->root) { |
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if ($this->secure) { |
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$this->root->secure($this->secure); |
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} |
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// Path is reconstructed. Taken care of possible double slashes |
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$path = str_replace('//', '/', '/'.trim($this->reassembleWithoutRoot(), '/')); |
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if ($path == '/') { |
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$path = ''; |
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} |
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return $this->root->get().$path; |
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} |
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return $this->reassemble(); |
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} |
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public function isAbsolute(): bool |
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{ |
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return $this->absolute; |
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} |
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public function localize(string $localeSegment = null, array $available_locales = []) |
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{ |
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$this->parsed['path'] = str_replace('//', '/', |
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rtrim( |
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'/'.trim($localeSegment.$this->delocalizePath($available_locales), '/'), |
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'/' |
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) |
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); |
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return $this; |
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} |
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private function delocalizePath(array $available_locales) |
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{ |
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if (!isset($this->parsed['path'])) { |
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return; |
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} |
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$path_segments = explode('/', trim($this->parsed['path'], '/')); |
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// Remove the locale segment if present |
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if (in_array($path_segments[0], array_keys($available_locales))) { |
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unset($path_segments[0]); |
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} |
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return '/'.implode('/', $path_segments); |
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} |
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private function parse(string $url) |
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{ |
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// Sanitize url input a bit to remove double slashes, but do not remove first slashes |
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if ($url == '//') { |
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$url = '/'; |
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} |
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$this->parsed = parse_url($url); |
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if (false === $this->parsed) { |
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throw new InvalidUrl('Failed to parse url. Invalid url ['.$url.'] passed as parameter.'); |
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} |
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// If a schemeless url is passed, parse_url will ignore this and strip the first tags |
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// so we keep a reminder to explicitly reassemble the 'anonymous scheme' manually |
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$this->schemeless = (0 === strpos($url, '//') && isset($this->parsed['host'])); |
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$this->absolute = (!preg_match('~^(#|//|https?://|mailto:|tel:)~', $url)) |
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? filter_var($url, FILTER_VALIDATE_URL) !== false |
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: true; |
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} |
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public function __toString(): string |
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{ |
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return $this->get(); |
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} |
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private function reassemble(): string |
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{ |
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return |
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$this->assembleScheme() |
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.((isset($this->parsed['user'])) ? $this->parsed['user'].((isset($this->parsed['pass'])) ? ':'.$this->parsed['pass'] : '').'@' : '') |
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.((isset($this->parsed['host'])) ? $this->parsed['host'] : '') |
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.((isset($this->parsed['port'])) ? ':'.$this->parsed['port'] : '') |
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.((isset($this->parsed['path'])) ? $this->parsed['path'] : '') |
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.((isset($this->parsed['query'])) ? '?'.$this->parsed['query'] : '') |
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.((isset($this->parsed['fragment'])) ? '#'.$this->parsed['fragment'] : ''); |
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} |
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/** |
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* Construct a full url with the parsed url elements |
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* resulted from a parse_url() function call. |
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* |
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* @return string |
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*/ |
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private function reassembleWithoutRoot() |
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{ |
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/** |
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* In some rare conditions the path in interpreted as the host when there is no domain.tld format given. |
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* This is still considered a valid url, be it with only a tld as indication. |
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*/ |
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$path = (isset($this->parsed['path']) && $this->parsed['path'] != $this->root->host()) |
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? $this->parsed['path'] |
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: ''; |
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return $path |
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.((isset($this->parsed['query'])) ? '?'.$this->parsed['query'] : '') |
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.((isset($this->parsed['fragment'])) ? '#'.$this->parsed['fragment'] : ''); |
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} |
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private function assembleScheme(): string |
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{ |
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$scheme = (isset($this->parsed['scheme'])) |
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? $this->parsed['scheme'] . '://' |
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: ($this->schemeless ? '//' : ''); |
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// Convert to secure scheme if needed or vice versa |
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if(!$this->forceScheme){ |
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return $scheme; |
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} |
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return $this->secure ? 'https://' : 'http://'; |
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} |
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} |
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thinktomorrow /
url
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