218 lines
5.6 KiB
PHP
218 lines
5.6 KiB
PHP
<?php
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namespace GuzzleHttp\Exception;
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use Psr\Http\Message\RequestInterface;
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use Psr\Http\Message\ResponseInterface;
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use GuzzleHttp\Promise\PromiseInterface;
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use Psr\Http\Message\UriInterface;
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/**
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* HTTP Request exception
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*/
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class RequestException extends TransferException
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{
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/** @var RequestInterface */
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private $request;
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/** @var ResponseInterface */
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private $response;
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/** @var array */
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private $handlerContext;
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public function __construct(
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$message,
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RequestInterface $request,
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ResponseInterface $response = null,
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\Exception $previous = null,
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array $handlerContext = []
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) {
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// Set the code of the exception if the response is set and not future.
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$code = $response && !($response instanceof PromiseInterface)
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? $response->getStatusCode()
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: 0;
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parent::__construct($message, $code, $previous);
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$this->request = $request;
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$this->response = $response;
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$this->handlerContext = $handlerContext;
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}
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/**
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* Wrap non-RequestExceptions with a RequestException
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*
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* @param RequestInterface $request
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* @param \Exception $e
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*
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* @return RequestException
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*/
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public static function wrapException(RequestInterface $request, \Exception $e)
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{
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return $e instanceof RequestException
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? $e
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: new RequestException($e->getMessage(), $request, null, $e);
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}
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/**
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* Factory method to create a new exception with a normalized error message
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*
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* @param RequestInterface $request Request
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* @param ResponseInterface $response Response received
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* @param \Exception $previous Previous exception
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* @param array $ctx Optional handler context.
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*
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* @return self
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*/
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public static function create(
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RequestInterface $request,
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ResponseInterface $response = null,
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\Exception $previous = null,
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array $ctx = []
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) {
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if (!$response) {
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return new self(
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'Error completing request',
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$request,
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null,
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$previous,
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$ctx
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);
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}
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$level = (int) floor($response->getStatusCode() / 100);
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if ($level === 4) {
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$label = 'Client error';
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$className = ClientException::class;
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} elseif ($level === 5) {
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$label = 'Server error';
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$className = ServerException::class;
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} else {
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$label = 'Unsuccessful request';
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$className = __CLASS__;
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}
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$uri = $request->getUri();
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$uri = static::obfuscateUri($uri);
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// Client Error: `GET /` resulted in a `404 Not Found` response:
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// <html> ... (truncated)
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$message = sprintf(
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'%s: `%s %s` resulted in a `%s %s` response',
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$label,
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$request->getMethod(),
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$uri,
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$response->getStatusCode(),
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$response->getReasonPhrase()
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);
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$summary = static::getResponseBodySummary($response);
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if ($summary !== null) {
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$message .= ":\n{$summary}\n";
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}
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return new $className($message, $request, $response, $previous, $ctx);
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}
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/**
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* Get a short summary of the response
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*
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* Will return `null` if the response is not printable.
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*
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* @param ResponseInterface $response
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*
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* @return string|null
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*/
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public static function getResponseBodySummary(ResponseInterface $response)
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{
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$body = $response->getBody();
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if (!$body->isSeekable()) {
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return null;
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}
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$size = $body->getSize();
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if ($size === 0) {
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return null;
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}
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$summary = $body->read(120);
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$body->rewind();
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if ($size > 120) {
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$summary .= ' (truncated...)';
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}
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// Matches any printable character, including unicode characters:
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// letters, marks, numbers, punctuation, spacing, and separators.
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if (preg_match('/[^\pL\pM\pN\pP\pS\pZ\n\r\t]/', $summary)) {
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return null;
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}
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return $summary;
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}
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/**
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* Obfuscates URI if there is an username and a password present
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*
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* @param UriInterface $uri
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*
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* @return UriInterface
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*/
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private static function obfuscateUri($uri)
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{
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$userInfo = $uri->getUserInfo();
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if (false !== ($pos = strpos($userInfo, ':'))) {
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return $uri->withUserInfo(substr($userInfo, 0, $pos), '***');
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}
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return $uri;
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}
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/**
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* Get the request that caused the exception
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*
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* @return RequestInterface
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*/
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public function getRequest()
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{
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return $this->request;
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}
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/**
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* Get the associated response
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*
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* @return ResponseInterface|null
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*/
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public function getResponse()
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{
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return $this->response;
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}
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/**
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* Check if a response was received
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*
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* @return bool
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*/
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public function hasResponse()
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{
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return $this->response !== null;
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}
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/**
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* Get contextual information about the error from the underlying handler.
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*
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* The contents of this array will vary depending on which handler you are
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* using. It may also be just an empty array. Relying on this data will
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* couple you to a specific handler, but can give more debug information
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* when needed.
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*
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* @return array
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*/
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public function getHandlerContext()
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{
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return $this->handlerContext;
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}
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}
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