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<?php |
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/* |
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* This file is part of the NNTP library. |
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* |
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* (c) Robin van der Vleuten <[email protected]> |
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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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namespace Rvdv\Nntp\Command; |
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use Rvdv\Nntp\Exception\RuntimeException; |
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use Rvdv\Nntp\Response\MultiLineResponse; |
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use Rvdv\Nntp\Response\Response; |
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/** |
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* HeadCommand. |
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* |
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* @author elabz |
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*/ |
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class HeadCommand extends Command implements CommandInterface |
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{ |
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/** |
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* @var string |
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*/ |
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private $article; |
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/** |
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* Constructor. |
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* |
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* @param string $article |
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*/ |
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public function __construct($article) |
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{ |
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$this->article = $article; |
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parent::__construct(true); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __invoke() |
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{ |
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return sprintf('HEAD %s', $this->article); |
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} |
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/** |
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* @return string |
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*/ |
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public function onHeadFollows(MultiLineResponse $response) |
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{ |
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return array_reduce($response->getLines(), function ($headers, $line) { |
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preg_match('/^([^\:]+)\:\s*(.*)$/', $line, $matches); |
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if (!empty($matches)) { |
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$headers[$matches[1]] = trim($matches[2]); |
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} |
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return $headers; |
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}); |
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} |
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public function onNoNewsGroupCurrentSelected(Response $response) |
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{ |
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throw new RuntimeException('A group must be selected first before getting an article header.', $response->getStatusCode()); |
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} |
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public function onNoSuchArticleNumber(Response $response) |
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{ |
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throw new RuntimeException('No article with that number.', $response->getStatusCode()); |
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} |
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public function onNoSuchArticleId(Response $response) |
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{ |
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throw new RuntimeException('No article with that message-id.', $response->getStatusCode()); |
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} |
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} |
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RobinvdVleuten /
php-nntp
