Examples with Header com.netflix.zuul.message.Header used on opensource projects

Example 1 with Header

use of com.netflix.zuul.message.Header in project zuul by Netflix.

the class ClientResponseWriter method buildHttpResponse.

private HttpResponse buildHttpResponse(final HttpResponseMessage zuulResp) {
    final HttpRequestInfo zuulRequest = zuulResp.getInboundRequest();
    HttpVersion responseHttpVersion;
    final String inboundProtocol = zuulRequest.getProtocol();
    if (inboundProtocol.startsWith("HTTP/1")) {
        responseHttpVersion = HttpVersion.valueOf(inboundProtocol);
    } else {
        // Default to 1.1. We do this to cope with HTTP/2 inbound requests.
        responseHttpVersion = HttpVersion.HTTP_1_1;
    }
    // Create the main http response to send, with body.
    final DefaultHttpResponse nativeResponse = new DefaultHttpResponse(responseHttpVersion, HttpResponseStatus.valueOf(zuulResp.getStatus()), false, false);
    // Now set all of the response headers - note this is a multi-set in keeping with HTTP semantics
    final HttpHeaders nativeHeaders = nativeResponse.headers();
    for (Header entry : zuulResp.getHeaders().entries()) {
        nativeHeaders.add(entry.getKey(), entry.getValue());
    }
    // Netty does not automatically add Content-Length or Transfer-Encoding: chunked. So we add here if missing.
    if (!HttpUtil.isContentLengthSet(nativeResponse) && !HttpUtil.isTransferEncodingChunked(nativeResponse)) {
        nativeResponse.headers().add(HttpHeaderNames.TRANSFER_ENCODING, HttpHeaderValues.CHUNKED);
    }
    final HttpRequest nativeReq = (HttpRequest) zuulResp.getContext().get(CommonContextKeys.NETTY_HTTP_REQUEST);
    if (!closeConnection && HttpUtil.isKeepAlive(nativeReq)) {
        HttpUtil.setKeepAlive(nativeResponse, true);
    } else {
        // Send a Connection: close response header (only needed for HTTP/1.0 but no harm in doing for 1.1 too).
        nativeResponse.headers().set("Connection", "close");
    }
    // TODO - temp hack for http/2 handling.
    if (nativeReq.headers().contains(HttpConversionUtil.ExtensionHeaderNames.STREAM_ID.text())) {
        String streamId = nativeReq.headers().get(HttpConversionUtil.ExtensionHeaderNames.STREAM_ID.text());
        nativeResponse.headers().set(HttpConversionUtil.ExtensionHeaderNames.STREAM_ID.text(), streamId);
    }
    return nativeResponse;
}

Example 2 with Header

use of com.netflix.zuul.message.Header in project zuul by Netflix.

the class OriginResponseReceiver method buildOriginHttpRequest.

private HttpRequest buildOriginHttpRequest(final HttpRequestMessage zuulRequest) {
    final String method = zuulRequest.getMethod().toUpperCase();
    final String uri = pathAndQueryString(zuulRequest);
    customRequestProcessing(zuulRequest);
    final DefaultHttpRequest nettyReq = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.valueOf(method), uri, false);
    // Copy headers across.
    for (final Header h : zuulRequest.getHeaders().entries()) {
        nettyReq.headers().add(h.getKey(), h.getValue());
    }
    return nettyReq;
}

Example 3 with Header

use of com.netflix.zuul.message.Header in project zuul by Netflix.

the class Debug method writeDebugMessage.

public static Observable<Boolean> writeDebugMessage(SessionContext context, ZuulMessage msg, String prefix, String arrow) {
    Observable<Boolean> obs = null;
    for (Header header : msg.getHeaders().entries()) {
        Debug.addRequestDebug(context, String.format("%s:: %s HDR: %s:%s", prefix, arrow, header.getKey(), header.getValue()));
    }
    // Capture the response body into a Byte array for later usage.
    if (msg.hasBody()) {
        if (!Debug.debugRequestHeadersOnly(context)) {
            // Convert body to a String and add to debug log.
            String body = msg.getBodyAsText();
            Debug.addRequestDebug(context, String.format("%s:: %s BODY: %s", prefix, arrow, body));
        }
    }
    if (obs == null)
        obs = Observable.just(Boolean.FALSE);
    return obs;
}

Example 4 with Header

use of com.netflix.zuul.message.Header in project zuul by Netflix.

the class Debug method addRequestDebugForMessage.

public static void addRequestDebugForMessage(SessionContext ctx, ZuulMessage message, String prefix) {
    for (Header header : message.getHeaders().entries()) {
        Debug.addRequestDebug(ctx, prefix + " " + header.getKey() + " " + header.getValue());
    }
    if (message.hasBody()) {
        String bodyStr = message.getBodyAsText();
        Debug.addRequestDebug(ctx, prefix + " " + bodyStr);
    }
}

Example 5 with Header

use of com.netflix.zuul.message.Header in project zuul by Netflix.

the class HttpResponseMessageImpl method removeExistingSetCookie.

@Override
public boolean removeExistingSetCookie(String cookieName) {
    String cookieNamePrefix = cookieName + "=";
    boolean dirty = false;
    Headers filtered = new Headers();
    for (Header hdr : getHeaders().entries()) {
        if (HttpHeaderNames.SET_COOKIE.equals(hdr.getName())) {
            String value = hdr.getValue();
            // Strip out this set-cookie as requested.
            if (value.startsWith(cookieNamePrefix)) {
                // Don't copy it.
                dirty = true;
            } else {
                // Copy all other headers.
                filtered.add(hdr.getName(), hdr.getValue());
            }
        } else {
            // Copy all other headers.
            filtered.add(hdr.getName(), hdr.getValue());
        }
    }
    if (dirty) {
        setHeaders(filtered);
    }
    return dirty;
}