Function getUriAfterRedirect

src/IO/ReadWriteBufferFromHTTP.cpp:36–50

}

Poco::URI getUriAfterRedirect(const Poco::URI & prev_uri, Poco::Net::HTTPResponse & response, bool enable_url_encoding)
{
    chassert(DB::isRedirect(response.getStatus()));

    auto location = response.get("Location");
    auto location_uri = Poco::URI(location, enable_url_encoding);
    if (!location_uri.isRelative())
        return location_uri;
    /// Location header contains relative path. So we need to concatenate it
    /// with path from the original URI and normalize it.
    auto path = std::filesystem::weakly_canonical(std::filesystem::path(prev_uri.getPath()) / location);
    location_uri = prev_uri;
    location_uri.setPath(path);
    return location_uri;
}

class ReadBufferFromSessionResponse : public DB::ReadBufferFromIStream
{