mirror of
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96 lines
2.6 KiB
PHP
96 lines
2.6 KiB
PHP
<?php
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namespace Wallabag\ExpressionLanguage;
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use GuzzleHttp\ClientInterface;
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use Symfony\Component\ExpressionLanguage\ExpressionFunction;
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use Symfony\Component\ExpressionLanguage\ExpressionFunctionProviderInterface;
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class AuthenticatorProvider implements ExpressionFunctionProviderInterface
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{
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/**
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* @var ClientInterface
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*/
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private $guzzle;
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public function __construct(ClientInterface $guzzle)
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{
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$this->guzzle = $guzzle;
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}
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public function getFunctions(): array
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{
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$result = [
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$this->getRequestHtmlFunction(),
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$this->getXpathFunction(),
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$this->getPregMatchFunction(),
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];
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return $result;
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}
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private function getRequestHtmlFunction()
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{
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return new ExpressionFunction(
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'request_html',
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function () {
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throw new \Exception('Not supported');
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},
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function (array $arguments, $uri, array $options = []) {
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return $this->guzzle->get($uri, $options)->getBody();
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}
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);
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}
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private function getPregMatchFunction()
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{
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return new ExpressionFunction(
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'preg_match',
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function () {
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throw new \Exception('Not supported');
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},
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function (array $arguments, $pattern, $html) {
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preg_match($pattern, $html, $matches);
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if (2 !== \count($matches)) {
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return '';
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}
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return $matches[1];
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}
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);
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}
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private function getXpathFunction()
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{
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return new ExpressionFunction(
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'xpath',
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function () {
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throw new \Exception('Not supported');
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},
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function (array $arguments, $xpathQuery, $html) {
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$useInternalErrors = libxml_use_internal_errors(true);
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$doc = new \DOMDocument();
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$doc->loadHTML((string) $html, \LIBXML_NOCDATA | \LIBXML_NOWARNING | \LIBXML_NOERROR);
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$xpath = new \DOMXPath($doc);
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$domNodeList = $xpath->query($xpathQuery);
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if (0 === $domNodeList->length) {
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return '';
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}
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$domNode = $domNodeList->item(0);
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libxml_use_internal_errors($useInternalErrors);
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if (null === $domNode || null === $domNode->attributes) {
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return '';
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}
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return $domNode->attributes->getNamedItem('value')->nodeValue;
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}
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);
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}
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}
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