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<?php |
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namespace mpyw\Cowitter\Helpers; |
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use mpyw\Cowitter\HttpException; |
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use mpyw\Cowitter\Response; |
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use mpyw\Cowitter\ResponseInterface; |
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use mpyw\Cowitter\Media; |
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class ResponseBodyDecoder |
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{ |
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protected $response; |
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protected $info; |
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protected $bodyBuffer; |
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public static function getDecodedResponse(Response $response, $body_buffer = null) |
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{ |
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$static = new static($response, $body_buffer); |
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return $response->withDecodedContent($static->normalize()); |
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} |
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protected function __construct(ResponseInterface $response, $body_buffer = null) |
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{ |
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$this->response = $response; |
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$this->info = curl_getinfo($response->getHandle()); |
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$this->bodyBuffer = $body_buffer === null ? $response->getRawContent() : $body_buffer; |
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} |
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protected function normalize() |
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{ |
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if ($this->bodyBuffer === '') { |
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return $this->handleEmptyBody(); |
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} |
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if (preg_match('@\A(?:image|video)/@', $this->info['content_type'])) { |
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return new Media($this->info['content_type'], $this->bodyBuffer); |
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} |
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if (null !== $obj = $this->handleJsonAndXml()) { |
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return $obj; |
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} |
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if (strip_tags($this->bodyBuffer) === $this->bodyBuffer) { |
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return $this->handleText(); |
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} |
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if ($this->info['http_code'] >= 400 && preg_match("@<(?:pre|h1)>([^<]++)</(?:pre|h1)>@", $this->bodyBuffer, $matches)) { |
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throw new HttpException(trim($matches[1]), -1, $this->response); |
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} |
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throw new \UnexpectedValueException('Malformed response detected: ' . $this->bodyBuffer); |
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} |
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protected function handleEmptyBody() |
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{ |
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if ($this->info['http_code'] >= 200 && $this->info['http_code'] <= 204) { |
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$message = 'Your request has been successfully sent. (This is a message generated by Cowitter)'; |
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return (object)['message' => $message]; |
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} |
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throw new HttpException( |
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"The server returned the status {$this->info['http_code']} with empty response. (This is a message generated by Cowitter)", |
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-1, |
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$this->response |
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); |
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} |
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protected function handleJsonAndXml() |
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{ |
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$orig = libxml_use_internal_errors(true); |
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try { |
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if ( |
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null === $obj = json_decode(preg_replace('@\A/\*{2}/[^(]++\((.+)\);\z@s', '$1', $this->bodyBuffer)) and |
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false === $obj = json_decode(json_encode(simplexml_load_string($this->bodyBuffer))) |
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) { |
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return; |
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} |
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} finally { |
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libxml_clear_errors(); |
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libxml_use_internal_errors($orig); |
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} |
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if (!empty($obj->error)) { |
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$errors = $obj->error; |
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} elseif (!empty($obj->errors)) { |
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$errors = $obj->errors; |
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} else { |
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return $obj; |
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} |
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if (!is_array($errors)) { |
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$errors = [$errors]; |
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} |
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$messages = []; |
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$code = -1; |
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foreach ($errors as $error) { |
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if (isset($error->code)) { |
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$code = (int)filter_var($error->code); |
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} |
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$messages[] = (string)filter_var(isset($error->message) ? $error->message : $error); |
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} |
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throw new HttpException(implode("\n", $messages), $code, $this->response); |
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} |
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protected function handleText() |
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{ |
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parse_str($this->bodyBuffer, $obj); |
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$obj = (object)$obj; |
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if (isset($obj->oauth_token, $obj->oauth_token_secret)) { |
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return $obj; |
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} |
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throw new HttpException(trim($this->bodyBuffer), -1, $this->response); |
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} |
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} |
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mpyw /
cowitter
