211 lines
		
	
	
		
			5.5 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			211 lines
		
	
	
		
			5.5 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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            $className = __NAMESPACE__ . '\\ClientException';
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        } elseif ($level === 5) {
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            $label = 'Server error';
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            $className = __NAMESPACE__ . '\\ServerException';
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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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        // Server 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` resulted in a `%s` response',
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            $label,
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            $request->getMethod() . ' ' . $uri,
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            $response->getStatusCode() . ' ' . $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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        $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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