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<?php |
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/** |
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* Author: jairo.rodriguez <[email protected]> |
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*/ |
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namespace BFunky\HttpParser; |
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use BFunky\HttpParser\Entity\HttpDataValidation; |
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use BFunky\HttpParser\Entity\HttpField; |
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use BFunky\HttpParser\Entity\HttpFieldCollection; |
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use BFunky\HttpParser\Entity\HttpHeaderInterface; |
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use BFunky\HttpParser\Exception\HttpFieldNotFoundOnCollection; |
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use BFunky\HttpParser\Exception\HttpParserBadFormatException; |
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abstract class AbstractHttpParser implements HttpParserInterface |
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{ |
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/** |
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* @var string |
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*/ |
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protected $httpRaw; |
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/** |
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* @var HttpHeaderInterface |
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*/ |
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protected $httpHeader; |
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/** |
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* @var HttpFieldCollection |
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*/ |
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protected $httpFieldCollection; |
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/** |
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* HttpParser constructor. |
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* @param HttpFieldCollection $httpFieldCollection |
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*/ |
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public function __construct(HttpFieldCollection $httpFieldCollection = null) |
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{ |
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$this->httpFieldCollection = $httpFieldCollection ?? HttpFieldCollection::fromHttpFieldArray([]); |
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} |
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/** |
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* @param string $rawHttp |
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*/ |
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public function parse(string $rawHttp) |
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{ |
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$this->process($rawHttp); |
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} |
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/** |
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* @param string $headerFieldName |
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* @return string |
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* @throws HttpFieldNotFoundOnCollection |
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*/ |
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public function get(string $headerFieldName): string |
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{ |
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$httpField = $this->httpFieldCollection->get($headerFieldName); |
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return $httpField->getValue(); |
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} |
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/** |
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* @return HttpHeaderInterface |
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*/ |
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public function getHeader(): HttpHeaderInterface |
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{ |
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return $this->httpHeader; |
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} |
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/** |
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* @param string $rawHttp |
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*/ |
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protected function process(string $rawHttp) |
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{ |
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$this->setHttpRaw($rawHttp); |
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$this->extract(); |
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} |
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/** |
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* Split the http string |
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* @throws HttpParserBadFormatException |
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*/ |
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protected function extract() |
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{ |
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$headers = explode("\n", $this->httpRaw); |
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foreach ($headers as $i => $headerLine) { |
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if (trim($headerLine) === '') { |
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continue; |
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} |
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if (HttpDataValidation::isField($headerLine)) { |
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$this->addField($headerLine); |
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} else { |
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$this->addHeader($headerLine); |
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} |
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} |
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} |
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/** |
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* @param string $headerLine |
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* @throws HttpParserBadFormatException |
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*/ |
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protected function addHeader(string $headerLine) |
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{ |
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$data = preg_split('/ /', $headerLine); |
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$data = array_merge($data, ['', '', '']); |
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HttpDataValidation::checkHeaderOrRaiseError($data[0], $data[1], $data[2]); |
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$this->setHttpHeader($data[0], $data[1], $data[2]); |
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} |
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/** |
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* @param string $headerLine |
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*/ |
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protected function addField(string $headerLine) |
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{ |
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list($fieldKey, $fieldValue) = $this->splitRawLine($headerLine); |
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$this->httpFieldCollection->add(HttpField::fromKeyAndValue($fieldKey, $fieldValue)); |
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} |
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/** |
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* @param string $method |
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* @param string $path |
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* @param string $protocol |
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*/ |
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abstract protected function setHttpHeader(string $method, string $path, string $protocol); |
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/** |
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* @param string $line |
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* @return array |
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*/ |
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protected function splitRawLine(string $line): array |
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{ |
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$parts = []; |
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if (strpos($line, ': ') !== false) { |
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$parts = explode(': ', $line); |
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} else if (strpos($line, ':') !== false) { |
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$parts = explode(':', $line); |
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} |
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return $parts; |
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} |
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/** |
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* @param string $httpRaw |
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* @return HttpParserInterface |
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*/ |
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protected function setHttpRaw(string $httpRaw): HttpParserInterface |
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{ |
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$this->httpRaw = $httpRaw; |
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return $this; |
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} |
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} |