Examples with HeaderFilterStrategy org.apache.camel.spi.HeaderFilterStrategy used on opensource projects

Example 11 with HeaderFilterStrategy

use of org.apache.camel.spi.HeaderFilterStrategy in project camel by apache.

the class NettyHttpComponent method createEndpoint.

@Override
protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
    NettyConfiguration config;
    if (getConfiguration() != null) {
        config = getConfiguration().copy();
    } else {
        config = new NettyHttpConfiguration();
    }
    HeaderFilterStrategy headerFilterStrategy = resolveAndRemoveReferenceParameter(parameters, "headerFilterStrategy", HeaderFilterStrategy.class);
    // merge any custom bootstrap configuration on the config
    NettyServerBootstrapConfiguration bootstrapConfiguration = resolveAndRemoveReferenceParameter(parameters, "bootstrapConfiguration", NettyServerBootstrapConfiguration.class);
    if (bootstrapConfiguration != null) {
        Map<String, Object> options = new HashMap<String, Object>();
        if (IntrospectionSupport.getProperties(bootstrapConfiguration, options, null, false)) {
            IntrospectionSupport.setProperties(getCamelContext().getTypeConverter(), config, options);
        }
    }
    // any custom security configuration
    NettyHttpSecurityConfiguration securityConfiguration = resolveAndRemoveReferenceParameter(parameters, "securityConfiguration", NettyHttpSecurityConfiguration.class);
    Map<String, Object> securityOptions = IntrospectionSupport.extractProperties(parameters, "securityConfiguration.");
    // are we using a shared http server?
    int sharedPort = -1;
    NettySharedHttpServer shared = resolveAndRemoveReferenceParameter(parameters, "nettySharedHttpServer", NettySharedHttpServer.class);
    if (shared != null) {
        // use port number from the shared http server
        LOG.debug("Using NettySharedHttpServer: {} with port: {}", shared, shared.getPort());
        sharedPort = shared.getPort();
    }
    // we must include the protocol in the remaining
    boolean hasProtocol = remaining.startsWith("http://") || remaining.startsWith("http:") || remaining.startsWith("https://") || remaining.startsWith("https:");
    if (!hasProtocol) {
        // http is the default protocol
        remaining = "http://" + remaining;
    }
    boolean hasSlash = remaining.startsWith("http://") || remaining.startsWith("https://");
    if (!hasSlash) {
        // must have double slash after protocol
        if (remaining.startsWith("http:")) {
            remaining = "http://" + remaining.substring(5);
        } else {
            remaining = "https://" + remaining.substring(6);
        }
    }
    LOG.debug("Netty http url: {}", remaining);
    // set port on configuration which is either shared or using default values
    if (sharedPort != -1) {
        config.setPort(sharedPort);
    } else if (config.getPort() == -1 || config.getPort() == 0) {
        if (remaining.startsWith("http:")) {
            config.setPort(80);
        } else if (remaining.startsWith("https:")) {
            config.setPort(443);
        }
    }
    if (config.getPort() == -1) {
        throw new IllegalArgumentException("Port number must be configured");
    }
    // configure configuration
    config = parseConfiguration(config, remaining, parameters);
    setProperties(config, parameters);
    // validate config
    config.validateConfiguration();
    // create the address uri which includes the remainder parameters (which is not configuration parameters for this component)
    URI u = new URI(UnsafeUriCharactersEncoder.encodeHttpURI(remaining));
    String addressUri = URISupport.createRemainingURI(u, parameters).toString();
    NettyHttpEndpoint answer = new NettyHttpEndpoint(addressUri, this, config);
    answer.setTimer(getTimer());
    // must use a copy of the binding on the endpoint to avoid sharing same instance that can cause side-effects
    if (answer.getNettyHttpBinding() == null) {
        Object binding = getNettyHttpBinding();
        if (binding instanceof RestNettyHttpBinding) {
            NettyHttpBinding copy = ((RestNettyHttpBinding) binding).copy();
            answer.setNettyHttpBinding(copy);
        } else if (binding instanceof DefaultNettyHttpBinding) {
            NettyHttpBinding copy = ((DefaultNettyHttpBinding) binding).copy();
            answer.setNettyHttpBinding(copy);
        }
    }
    if (headerFilterStrategy != null) {
        answer.setHeaderFilterStrategy(headerFilterStrategy);
    } else if (answer.getHeaderFilterStrategy() == null) {
        answer.setHeaderFilterStrategy(getHeaderFilterStrategy());
    }
    if (securityConfiguration != null) {
        answer.setSecurityConfiguration(securityConfiguration);
    } else if (answer.getSecurityConfiguration() == null) {
        answer.setSecurityConfiguration(getSecurityConfiguration());
    }
    // configure any security options
    if (securityOptions != null && !securityOptions.isEmpty()) {
        securityConfiguration = answer.getSecurityConfiguration();
        if (securityConfiguration == null) {
            securityConfiguration = new NettyHttpSecurityConfiguration();
            answer.setSecurityConfiguration(securityConfiguration);
        }
        setProperties(securityConfiguration, securityOptions);
        validateParameters(uri, securityOptions, null);
    }
    answer.setNettySharedHttpServer(shared);
    return answer;
}

Example 12 with HeaderFilterStrategy

use of org.apache.camel.spi.HeaderFilterStrategy in project camel by apache.

the class NettyHttpComponent method createEndpoint.

@Override
protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
    NettyConfiguration config;
    if (getConfiguration() != null) {
        config = getConfiguration().copy();
    } else {
        config = new NettyHttpConfiguration();
    }
    HeaderFilterStrategy headerFilterStrategy = resolveAndRemoveReferenceParameter(parameters, "headerFilterStrategy", HeaderFilterStrategy.class);
    // merge any custom bootstrap configuration on the config
    NettyServerBootstrapConfiguration bootstrapConfiguration = resolveAndRemoveReferenceParameter(parameters, "bootstrapConfiguration", NettyServerBootstrapConfiguration.class);
    if (bootstrapConfiguration != null) {
        Map<String, Object> options = new HashMap<String, Object>();
        if (IntrospectionSupport.getProperties(bootstrapConfiguration, options, null, false)) {
            IntrospectionSupport.setProperties(getCamelContext().getTypeConverter(), config, options);
        }
    }
    // any custom security configuration
    NettyHttpSecurityConfiguration securityConfiguration = resolveAndRemoveReferenceParameter(parameters, "securityConfiguration", NettyHttpSecurityConfiguration.class);
    Map<String, Object> securityOptions = IntrospectionSupport.extractProperties(parameters, "securityConfiguration.");
    NettyHttpBinding bindingFromUri = resolveAndRemoveReferenceParameter(parameters, "nettyHttpBinding", NettyHttpBinding.class);
    // are we using a shared http server?
    int sharedPort = -1;
    NettySharedHttpServer shared = resolveAndRemoveReferenceParameter(parameters, "nettySharedHttpServer", NettySharedHttpServer.class);
    if (shared != null) {
        // use port number from the shared http server
        LOG.debug("Using NettySharedHttpServer: {} with port: {}", shared, shared.getPort());
        sharedPort = shared.getPort();
    }
    // we must include the protocol in the remaining
    boolean hasProtocol = remaining.startsWith("http://") || remaining.startsWith("http:") || remaining.startsWith("https://") || remaining.startsWith("https:");
    if (!hasProtocol) {
        // http is the default protocol
        remaining = "http://" + remaining;
    }
    boolean hasSlash = remaining.startsWith("http://") || remaining.startsWith("https://");
    if (!hasSlash) {
        // must have double slash after protocol
        if (remaining.startsWith("http:")) {
            remaining = "http://" + remaining.substring(5);
        } else {
            remaining = "https://" + remaining.substring(6);
        }
    }
    LOG.debug("Netty http url: {}", remaining);
    // set port on configuration which is either shared or using default values
    if (sharedPort != -1) {
        config.setPort(sharedPort);
    } else if (config.getPort() == -1 || config.getPort() == 0) {
        if (remaining.startsWith("http:")) {
            config.setPort(80);
        } else if (remaining.startsWith("https:")) {
            config.setPort(443);
        }
    }
    if (config.getPort() == -1) {
        throw new IllegalArgumentException("Port number must be configured");
    }
    // configure configuration
    config = parseConfiguration(config, remaining, parameters);
    setProperties(config, parameters);
    // validate config
    config.validateConfiguration();
    // create the address uri which includes the remainder parameters (which
    // is not configuration parameters for this component)
    URI u = new URI(UnsafeUriCharactersEncoder.encodeHttpURI(remaining));
    String addressUri = URISupport.createRemainingURI(u, parameters).toString();
    NettyHttpEndpoint answer = new NettyHttpEndpoint(addressUri, this, config);
    // instance that can cause side-effects
    if (answer.getNettyHttpBinding() == null) {
        Object binding = null;
        if (bindingFromUri != null) {
            binding = bindingFromUri;
        } else {
            binding = getNettyHttpBinding();
        }
        if (binding instanceof RestNettyHttpBinding) {
            NettyHttpBinding copy = ((RestNettyHttpBinding) binding).copy();
            answer.setNettyHttpBinding(copy);
        } else if (binding instanceof DefaultNettyHttpBinding) {
            NettyHttpBinding copy = ((DefaultNettyHttpBinding) binding).copy();
            answer.setNettyHttpBinding(copy);
        }
    }
    if (headerFilterStrategy != null) {
        answer.setHeaderFilterStrategy(headerFilterStrategy);
    } else if (answer.getHeaderFilterStrategy() == null) {
        answer.setHeaderFilterStrategy(getHeaderFilterStrategy());
    }
    if (securityConfiguration != null) {
        answer.setSecurityConfiguration(securityConfiguration);
    } else if (answer.getSecurityConfiguration() == null) {
        answer.setSecurityConfiguration(getSecurityConfiguration());
    }
    // configure any security options
    if (securityOptions != null && !securityOptions.isEmpty()) {
        securityConfiguration = answer.getSecurityConfiguration();
        if (securityConfiguration == null) {
            securityConfiguration = new NettyHttpSecurityConfiguration();
            answer.setSecurityConfiguration(securityConfiguration);
        }
        setProperties(securityConfiguration, securityOptions);
        validateParameters(uri, securityOptions, null);
    }
    answer.setNettySharedHttpServer(shared);
    return answer;
}

Example 13 with HeaderFilterStrategy

use of org.apache.camel.spi.HeaderFilterStrategy in project camel by apache.

the class HttpPollingConsumer method doReceive.

protected Exchange doReceive(int timeout) {
    Exchange exchange = endpoint.createExchange();
    HttpRequestBase method = createMethod(exchange);
    HttpClientContext httpClientContext = new HttpClientContext();
    // set optional timeout in millis
    if (timeout > 0) {
        RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(timeout).build();
        httpClientContext.setRequestConfig(requestConfig);
    }
    HttpEntity responeEntity = null;
    try {
        // execute request
        HttpResponse response = httpClient.execute(method, httpClientContext);
        int responseCode = response.getStatusLine().getStatusCode();
        responeEntity = response.getEntity();
        Object body = HttpHelper.readResponseBodyFromInputStream(responeEntity.getContent(), exchange);
        // lets store the result in the output message.
        Message message = exchange.getOut();
        message.setBody(body);
        // lets set the headers
        Header[] headers = response.getAllHeaders();
        HeaderFilterStrategy strategy = endpoint.getHeaderFilterStrategy();
        for (Header header : headers) {
            String name = header.getName();
            // mapping the content-type
            if (name.toLowerCase().equals("content-type")) {
                name = Exchange.CONTENT_TYPE;
            }
            String value = header.getValue();
            if (strategy != null && !strategy.applyFilterToExternalHeaders(name, value, exchange)) {
                message.setHeader(name, value);
            }
        }
        message.setHeader(Exchange.HTTP_RESPONSE_CODE, responseCode);
        if (response.getStatusLine() != null) {
            message.setHeader(Exchange.HTTP_RESPONSE_TEXT, response.getStatusLine().getReasonPhrase());
        }
        return exchange;
    } catch (IOException e) {
        throw new RuntimeCamelException(e);
    } finally {
        if (responeEntity != null) {
            try {
                EntityUtils.consume(responeEntity);
            } catch (IOException e) {
            // nothing what we can do
            }
        }
    }
}

Example 14 with HeaderFilterStrategy

use of org.apache.camel.spi.HeaderFilterStrategy in project camel by apache.

the class HttpProducer method process.

public void process(Exchange exchange) throws Exception {
    if (getEndpoint().isClearExpiredCookies() && !getEndpoint().isBridgeEndpoint()) {
        // create the cookies before the invocation
        getEndpoint().getCookieStore().clearExpired(new Date());
    }
    // if we bridge endpoint then we need to skip matching headers with the HTTP_QUERY to avoid sending
    // duplicated headers to the receiver, so use this skipRequestHeaders as the list of headers to skip
    Map<String, Object> skipRequestHeaders = null;
    if (getEndpoint().isBridgeEndpoint()) {
        exchange.setProperty(Exchange.SKIP_GZIP_ENCODING, Boolean.TRUE);
        String queryString = exchange.getIn().getHeader(Exchange.HTTP_QUERY, String.class);
        if (queryString != null) {
            skipRequestHeaders = URISupport.parseQuery(queryString, false, true);
        }
    }
    HttpRequestBase httpRequest = createMethod(exchange);
    Message in = exchange.getIn();
    String httpProtocolVersion = in.getHeader(Exchange.HTTP_PROTOCOL_VERSION, String.class);
    if (httpProtocolVersion != null) {
        // set the HTTP protocol version
        int[] version = HttpHelper.parserHttpVersion(httpProtocolVersion);
        httpRequest.setProtocolVersion(new HttpVersion(version[0], version[1]));
    }
    HeaderFilterStrategy strategy = getEndpoint().getHeaderFilterStrategy();
    // propagate headers as HTTP headers
    for (Map.Entry<String, Object> entry : in.getHeaders().entrySet()) {
        String key = entry.getKey();
        Object headerValue = in.getHeader(key);
        if (headerValue != null) {
            // use an iterator as there can be multiple values. (must not use a delimiter, and allow empty values)
            final Iterator<?> it = ObjectHelper.createIterator(headerValue, null, true);
            // the value to add as request header
            final List<String> values = new ArrayList<String>();
            // should be combined into a single value
            while (it.hasNext()) {
                String value = exchange.getContext().getTypeConverter().convertTo(String.class, it.next());
                // as then we would duplicate headers on both the endpoint uri, and in HTTP headers as well
                if (skipRequestHeaders != null && skipRequestHeaders.containsKey(key)) {
                    continue;
                }
                if (value != null && strategy != null && !strategy.applyFilterToCamelHeaders(key, value, exchange)) {
                    values.add(value);
                }
            }
            // add the value(s) as a http request header
            if (values.size() > 0) {
                // use the default toString of a ArrayList to create in the form [xxx, yyy]
                // if multi valued, for a single value, then just output the value as is
                String s = values.size() > 1 ? values.toString() : values.get(0);
                httpRequest.addHeader(key, s);
            }
        }
    }
    if (getEndpoint().getCookieHandler() != null) {
        Map<String, List<String>> cookieHeaders = getEndpoint().getCookieHandler().loadCookies(exchange, httpRequest.getURI());
        for (Map.Entry<String, List<String>> entry : cookieHeaders.entrySet()) {
            String key = entry.getKey();
            if (entry.getValue().size() > 0) {
                // use the default toString of a ArrayList to create in the form [xxx, yyy]
                // if multi valued, for a single value, then just output the value as is
                String s = entry.getValue().size() > 1 ? entry.getValue().toString() : entry.getValue().get(0);
                httpRequest.addHeader(key, s);
            }
        }
    }
    //if this option is set, and the exchange Host header is not null, we will set it's current value on the httpRequest
    if (getEndpoint().isPreserveHostHeader()) {
        String hostHeader = exchange.getIn().getHeader("Host", String.class);
        if (hostHeader != null) {
            //HttpClient 4 will check to see if the Host header is present, and use it if it is, see org.apache.http.protocol.RequestTargetHost in httpcore
            httpRequest.setHeader("Host", hostHeader);
        }
    }
    if (getEndpoint().isConnectionClose()) {
        httpRequest.addHeader("Connection", HTTP.CONN_CLOSE);
    }
    // lets store the result in the output message.
    HttpResponse httpResponse = null;
    try {
        if (LOG.isDebugEnabled()) {
            LOG.debug("Executing http {} method: {}", httpRequest.getMethod(), httpRequest.getURI().toString());
        }
        httpResponse = executeMethod(httpRequest);
        int responseCode = httpResponse.getStatusLine().getStatusCode();
        LOG.debug("Http responseCode: {}", responseCode);
        if (!throwException) {
            // if we do not use failed exception then populate response for all response codes
            populateResponse(exchange, httpRequest, httpResponse, in, strategy, responseCode);
        } else {
            boolean ok = HttpHelper.isStatusCodeOk(responseCode, getEndpoint().getOkStatusCodeRange());
            if (ok) {
                // only populate response for OK response
                populateResponse(exchange, httpRequest, httpResponse, in, strategy, responseCode);
            } else {
                // operation failed so populate exception to throw
                throw populateHttpOperationFailedException(exchange, httpRequest, httpResponse, responseCode);
            }
        }
    } finally {
        final HttpResponse response = httpResponse;
        if (httpResponse != null && getEndpoint().isDisableStreamCache()) {
            // close the stream at the end of the exchange to ensure it gets eventually closed later
            exchange.addOnCompletion(new SynchronizationAdapter() {

                @Override
                public void onDone(Exchange exchange) {
                    try {
                        EntityUtils.consume(response.getEntity());
                    } catch (Throwable e) {
                    // ignore
                    }
                }
            });
        } else if (httpResponse != null) {
            // close the stream now
            try {
                EntityUtils.consume(response.getEntity());
            } catch (Throwable e) {
            // ignore
            }
        }
    }
}

Example 15 with HeaderFilterStrategy

use of org.apache.camel.spi.HeaderFilterStrategy in project camel by apache.

the class HttpProducer method process.

public void process(Exchange exchange) throws Exception {
    // if we bridge endpoint then we need to skip matching headers with the HTTP_QUERY to avoid sending
    // duplicated headers to the receiver, so use this skipRequestHeaders as the list of headers to skip
    Map<String, Object> skipRequestHeaders = null;
    if (getEndpoint().isBridgeEndpoint()) {
        exchange.setProperty(Exchange.SKIP_GZIP_ENCODING, Boolean.TRUE);
        String queryString = exchange.getIn().getHeader(Exchange.HTTP_QUERY, String.class);
        if (queryString != null) {
            skipRequestHeaders = URISupport.parseQuery(queryString, false, true);
        }
        // Need to remove the Host key as it should be not used 
        exchange.getIn().getHeaders().remove("host");
    }
    HttpMethod method = createMethod(exchange);
    Message in = exchange.getIn();
    String httpProtocolVersion = in.getHeader(Exchange.HTTP_PROTOCOL_VERSION, String.class);
    if (httpProtocolVersion != null) {
        // set the HTTP protocol version
        HttpMethodParams params = method.getParams();
        params.setVersion(HttpVersion.parse(httpProtocolVersion));
    }
    HeaderFilterStrategy strategy = getEndpoint().getHeaderFilterStrategy();
    // propagate headers as HTTP headers
    for (Map.Entry<String, Object> entry : in.getHeaders().entrySet()) {
        String key = entry.getKey();
        Object headerValue = in.getHeader(key);
        if (headerValue != null) {
            // use an iterator as there can be multiple values. (must not use a delimiter, and allow empty values)
            final Iterator<?> it = ObjectHelper.createIterator(headerValue, null, true);
            // the value to add as request header
            final List<String> values = new ArrayList<String>();
            // should be combined into a single value
            while (it.hasNext()) {
                String value = exchange.getContext().getTypeConverter().convertTo(String.class, it.next());
                // as then we would duplicate headers on both the endpoint uri, and in HTTP headers as well
                if (skipRequestHeaders != null && skipRequestHeaders.containsKey(key)) {
                    continue;
                }
                if (value != null && strategy != null && !strategy.applyFilterToCamelHeaders(key, value, exchange)) {
                    values.add(value);
                }
            }
            // add the value(s) as a http request header
            if (values.size() > 0) {
                // use the default toString of a ArrayList to create in the form [xxx, yyy]
                // if multi valued, for a single value, then just output the value as is
                String s = values.size() > 1 ? values.toString() : values.get(0);
                method.addRequestHeader(key, s);
            }
        }
    }
    if (getEndpoint().getCookieHandler() != null) {
        // disable the per endpoint cookie handling
        method.getParams().setCookiePolicy(CookiePolicy.IGNORE_COOKIES);
        Map<String, List<String>> cookieHeaders = getEndpoint().getCookieHandler().loadCookies(exchange, new URI(method.getURI().getEscapedURI()));
        for (Map.Entry<String, List<String>> entry : cookieHeaders.entrySet()) {
            String key = entry.getKey();
            if (entry.getValue().size() > 0) {
                // use the default toString of a ArrayList to create in the form [xxx, yyy]
                // if multi valued, for a single value, then just output the value as is
                String s = entry.getValue().size() > 1 ? entry.getValue().toString() : entry.getValue().get(0);
                method.addRequestHeader(key, s);
            }
        }
    }
    if (getEndpoint().isConnectionClose()) {
        method.addRequestHeader("Connection", "close");
    }
    // lets store the result in the output message.
    try {
        if (LOG.isDebugEnabled()) {
            LOG.debug("Executing http {} method: {}", method.getName(), method.getURI().toString());
        }
        int responseCode = executeMethod(method);
        LOG.debug("Http responseCode: {}", responseCode);
        if (!throwException) {
            // if we do not use failed exception then populate response for all response codes
            populateResponse(exchange, method, in, strategy, responseCode);
        } else {
            boolean ok = HttpHelper.isStatusCodeOk(responseCode, getEndpoint().getOkStatusCodeRange());
            if (ok) {
                // only populate response for OK response
                populateResponse(exchange, method, in, strategy, responseCode);
            } else {
                // operation failed so populate exception to throw
                throw populateHttpOperationFailedException(exchange, method, responseCode);
            }
        }
    } finally {
        method.releaseConnection();
    }
}