Method callWithRedirects

src/IO/ReadWriteBufferFromHTTP.cpp:288–311

}

ReadWriteBufferFromHTTP::CallResult ReadWriteBufferFromHTTP::callWithRedirects(
    Poco::Net::HTTPResponse & response, const String & method_, const std::optional<HTTPRange> & range)
{
    auto result = callImpl(response, method_, range, true);

    while (isRedirect(response.getStatus()))
    {
        Poco::URI uri_redirect = getUriAfterRedirect(current_uri, response, enable_url_encoding);
        ++redirects;
        if (redirects > max_redirects)
            throw Exception(
                ErrorCodes::TOO_MANY_REDIRECTS,
                "Too many redirects while trying to access {}."
                " You can {} redirects by changing the setting 'max_http_get_redirects'."
                " Example: `SET max_http_get_redirects = 10`."
                " Redirects are restricted to prevent possible attack when a malicious server redirects to an internal resource, bypassing the authentication or firewall.",
                initial_uri.toString(), max_redirects ? "increase the allowed maximum number of" : "allow");

        current_uri = uri_redirect;
        result = callImpl(response, method_, range, true);
    }

    return result;
}


void ReadWriteBufferFromHTTP::doWithRetries(std::function<void()> && callable,