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<?php |
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namespace Spatie\Crawler\Handlers; |
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use function GuzzleHttp\Psr7\stream_for; |
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use Psr\Http\Message\UriInterface; |
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use Spatie\Crawler\Crawler; |
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use Spatie\Crawler\CrawlUrl; |
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use Spatie\Crawler\LinkAdder; |
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use Spatie\Crawler\CrawlerRobots; |
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use Spatie\Crawler\CrawlSubdomains; |
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use Psr\Http\Message\StreamInterface; |
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use Psr\Http\Message\ResponseInterface; |
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class CrawlRequestFulfilled |
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{ |
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/** @var \Spatie\Crawler\Crawler */ |
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protected $crawler; |
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/** @var \Spatie\Crawler\LinkAdder */ |
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protected $linkAdder; |
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public function __construct(Crawler $crawler) |
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{ |
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$this->crawler = $crawler; |
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$this->linkAdder = new LinkAdder($this->crawler); |
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} |
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public function __invoke(ResponseInterface $response, $index) |
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{ |
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$robots = new CrawlerRobots($response, $this->crawler->mustRespectRobots()); |
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if (! $robots->mayIndex()) { |
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return; |
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} |
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$crawlUrl = $this->crawler->getCrawlQueue()->getUrlById($index); |
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if ($this->crawler->mayExecuteJavaScript()) { |
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$html = $this->getBodyAfterExecutingJavaScript($crawlUrl->url); |
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$response = $response->withBody(stream_for($html)); |
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} |
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$this->handleCrawled($response, $crawlUrl); |
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if (! $this->crawler->getCrawlProfile() instanceof CrawlSubdomains) { |
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if ($crawlUrl->url->getHost() !== $this->crawler->getBaseUrl()->getHost()) { |
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return; |
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} |
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} |
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if (! $robots->mayFollow()) { |
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return; |
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} |
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$body = $this->convertBodyToString($response->getBody(), $this->crawler->getMaximumResponseSize()); |
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$this->linkAdder->addFromHtml($body, $crawlUrl->url); |
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} |
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protected function handleCrawled(ResponseInterface $response, CrawlUrl $crawlUrl) |
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{ |
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$this->crawler->getCrawlObservers()->crawled($crawlUrl, $response); |
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} |
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protected function convertBodyToString(StreamInterface $bodyStream, $readMaximumBytes = 1024 * 1024 * 2): string |
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{ |
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$bodyStream->rewind(); |
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$body = $bodyStream->read($readMaximumBytes); |
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return $body; |
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} |
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protected function getBodyAfterExecutingJavaScript(UriInterface $url): string |
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{ |
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$browsershot = $this->crawler->getBrowsershot(); |
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$html = $browsershot->setUrl((string) $url)->bodyHtml(); |
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return html_entity_decode($html); |
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} |
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} |
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spatie /
crawler
