Examples with HttpContent org.glassfish.grizzly.http.HttpContent used on opensource projects

Example 1 with HttpContent

use of org.glassfish.grizzly.http.HttpContent in project Payara by payara.

the class HttpRedirectFilter method handleRead.

// --------------------------------------------- Methods from Filter
@Override
public NextAction handleRead(final FilterChainContext ctx) throws IOException {
    final Connection connection = ctx.getConnection();
    final HttpContent httpContent = ctx.getMessage();
    final HttpRequestPacket request = (HttpRequestPacket) httpContent.getHttpHeader();
    final URI requestURI;
    try {
        final String uri = request.getQueryString() == null ? request.getRequestURI() : request.getRequestURI() + "?" + request.getQueryString();
        requestURI = new URI(uri);
    } catch (URISyntaxException ignored) {
        return ctx.getStopAction();
    }
    final boolean redirectToSecure;
    if (secure != null) {
        // if secure is set - we use it
        redirectToSecure = secure;
    } else {
        // if secure is not set - use secure settings opposite to the current request
        final SSLEngine sslEngine = SSLUtils.getSSLEngine(connection);
        redirectToSecure = sslEngine == null;
    }
    final StringBuilder hostPort = new StringBuilder();
    String hostHeader = request.getHeader("host");
    if (hostHeader == null) {
        String hostRequestURI = requestURI.getHost();
        if (hostRequestURI == null) {
            hostPort.append(request.getLocalHost());
        } else {
            hostPort.append(hostRequestURI);
        }
        hostPort.append(':');
        if (redirectPort == null) {
            int port = requestURI.getPort();
            if (port == -1) {
                hostPort.append(request.getLocalPort());
            } else {
                hostPort.append(port);
            }
        } else {
            hostPort.append(redirectPort);
        }
    } else if (redirectPort != null) {
        // if port is specified - cut it from host header
        final int colonIdx = hostHeader.indexOf(':');
        if (colonIdx != -1) {
            hostHeader = hostHeader.substring(0, colonIdx);
        }
        hostPort.append(hostHeader).append(':').append(redirectPort);
    } else {
        hostPort.append(hostHeader);
    }
    if (hostPort.length() > 0) {
        String path = requestURI.toString();
        assert path != null;
        final StringBuilder sb = new StringBuilder();
        sb.append((redirectToSecure ? "https://" : "http://")).append(hostPort).append(path);
        request.setSkipRemainder(true);
        final HttpResponsePacket response = HttpResponsePacket.builder(request).status(302).header("Location", sb.toString()).contentLength(0).build();
        ctx.write(response);
    } else {
        connection.closeSilently();
    }
    return ctx.getStopAction();
}