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<?php |
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/* |
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* This file is part of the "andrey-helldar/support" project. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @author Andrey Helldar <[email protected]> |
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* |
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* @copyright 2021 Andrey Helldar |
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* |
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* @license MIT |
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* |
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* @see https://github.com/andrey-helldar/support |
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*/ |
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namespace Helldar\Support\Helpers\Http; |
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use Helldar\Support\Exceptions\NotValidUrlException; |
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use Helldar\Support\Facades\Http\Builder as UrlBuilder; |
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use Throwable; |
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class Url |
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{ |
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/** |
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* Parsing URL into components. |
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* |
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* @param \Helldar\Contracts\Http\Builder|string|null $url |
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* |
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* @return \Helldar\Support\Helpers\Http\Builder |
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*/ |
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public function parse($url): Builder |
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{ |
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return UrlBuilder::parse($url); |
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} |
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/** |
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* Check if the string is a valid URL. |
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* |
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* @param \Helldar\Contracts\Http\Builder|string|null $url |
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* |
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* @return bool |
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*/ |
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public function is($url): bool |
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{ |
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return filter_var((string) $url, FILTER_VALIDATE_URL) !== false; |
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} |
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/** |
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* Validate if the value is a valid URL or throw an error. |
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* |
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* @param \Helldar\Contracts\Http\Builder|string|null $url |
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* |
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* @throws \Helldar\Support\Exceptions\NotValidUrlException |
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*/ |
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public function validate($url): void |
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{ |
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if (! $this->is($url)) { |
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throw new NotValidUrlException((string) $url); |
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} |
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} |
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/** |
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* Returns the URL after validation, or throws an error. |
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* |
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* @param \Helldar\Contracts\Http\Builder|string|null $url |
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* |
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* @throws \Helldar\Support\Exceptions\NotValidUrlException |
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* |
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* @return \Helldar\Contracts\Http\Builder|\Helldar\Support\Helpers\Http\Builder|string |
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*/ |
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public function validated($url) |
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{ |
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$this->validate($url); |
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return $url; |
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} |
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/** |
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* Check if the specified URL exists. |
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* |
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* @param \Helldar\Contracts\Http\Builder|string|null $url |
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* |
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* @throws \Helldar\Support\Exceptions\NotValidUrlException |
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* |
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* @return bool |
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*/ |
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public function exists($url): bool |
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{ |
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$this->validate($url); |
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try { |
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$headers = get_headers($url); |
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$key = array_search('HTTP/', $headers); |
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$value = $headers[$key] ?? null; |
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preg_match('/HTTP\/\d{1}\.?\d?\s[2-3]\d{2}/i', $value, $matches); |
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return count($matches) > 0; |
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} catch (Throwable $e) { |
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return false; |
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} |
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} |
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/** |
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* Check the existence of the URL and return the default value if it is missing. |
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* |
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* @param \Helldar\Contracts\Http\Builder|string $url |
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* @param \Helldar\Contracts\Http\Builder|string $default |
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* |
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* @throws \Helldar\Support\Exceptions\NotValidUrlException |
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* |
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* @return string|null |
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*/ |
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public function default($url, $default): string |
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{ |
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$value = $this->exists($url) ? $url : $default; |
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return $this->validated($value); |
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} |
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} |
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andrey-helldar /
support
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