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<?php |
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namespace mpyw\Cowitter\Components; |
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use mpyw\Co\Co; |
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use mpyw\Cowitter\Response; |
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use mpyw\Cowitter\Helpers\ResponseBodyDecoder; |
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use mpyw\Cowitter\Helpers\RequestParamValidator; |
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class StreamHandler |
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{ |
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protected $headerResponse; |
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protected $headerResponseBuffer = ''; |
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protected $headerResponseHandler; |
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protected $eventBuffer = ''; |
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protected $eventHandler; |
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protected $haltedByUser = false; |
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public function __construct(callable $header_response_handler = null, callable $event_handler = null) |
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{ |
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$this->headerResponseHandler = $header_response_handler; |
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$this->eventHandler = $event_handler; |
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} |
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public function headerFunction($ch, $str) |
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{ |
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$handle = $this->headerResponseHandler; |
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$this->headerResponseBuffer .= $str; |
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if (substr($this->headerResponseBuffer, -4) === "\r\n\r\n") { |
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$this->headerResponse = new Response($this->headerResponseBuffer, $ch); |
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if ($handle) { |
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RequestParamValidator::isGenerator($handle) |
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? Co::async($handle($this->headerResponse)) |
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: $handle($this->headerResponse); |
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} |
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} |
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return strlen($str); |
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} |
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protected function processLine($line) |
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{ |
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$handle = $this->eventHandler; |
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if ('' === $line = rtrim($line)) { |
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return; |
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} |
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$event = ResponseBodyDecoder::getDecodedResponse($this->headerResponse, $line); |
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if ($handle) { |
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if (RequestParamValidator::isGenerator($handle)) { |
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Co::async(function () use ($handle, $event) { |
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if (false === (yield $handle($event->getContent()))) { |
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$this->haltedByUser = true; |
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} |
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}); |
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} elseif (false === $handle($event->getContent())) { |
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$this->haltedByUser = true; |
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} |
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} |
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} |
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public function writeFunction($ch, $str) |
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{ |
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if ($this->haltedByUser) { |
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// @codeCoverageIgnoreStart |
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return 0; |
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// @codeCoverageIgnoreEnd |
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} |
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$this->eventBuffer .= $str; |
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if (200 !== curl_getinfo($ch, CURLINFO_HTTP_CODE)) { |
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ResponseBodyDecoder::getDecodedResponse($this->headerResponse, $this->eventBuffer); |
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throw new \UnexpectedValueException('Unexpected response: ' . $this->eventBuffer); |
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} |
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while (false !== $pos = strpos($this->eventBuffer, "\n")) { |
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$line = substr($this->eventBuffer, 0, $pos + 1); |
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$this->eventBuffer = substr($this->eventBuffer, $pos + 1); |
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$this->processLine($line); |
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if ($this->haltedByUser) { |
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return 0; |
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} |
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} |
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return strlen($str); |
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} |
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public function isHaltedByUser() |
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{ |
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return $this->haltedByUser; |
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} |
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} |
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mpyw /
cowitter
