Example usage for org.apache.http.impl.client HttpClientBuilder setDefaultCredentialsProvider

List of usage examples for org.apache.http.impl.client HttpClientBuilder setDefaultCredentialsProvider

Introduction

In this page you can find the example usage for org.apache.http.impl.client HttpClientBuilder setDefaultCredentialsProvider.

Prototype

public final HttpClientBuilder setDefaultCredentialsProvider(final CredentialsProvider credentialsProvider) 

Source Link

Document

Assigns default CredentialsProvider instance which will be used for request execution if not explicitly set in the client execution context.

Usage

From source file:com.gargoylesoftware.htmlunit.HttpWebConnection.java

/**
 * Creates an <tt>HttpMethod</tt> instance according to the specified parameters.
 * @param webRequest the request//  ww w  .  j  a  va  2  s. c o  m
 * @param httpClientBuilder the httpClientBuilder that will be configured
 * @return the <tt>HttpMethod</tt> instance constructed according to the specified parameters
 * @throws IOException
 * @throws URISyntaxException
 */
@SuppressWarnings("deprecation")
private HttpUriRequest makeHttpMethod(final WebRequest webRequest, final HttpClientBuilder httpClientBuilder)
        throws IOException, URISyntaxException {

    final String charset = webRequest.getCharset();

    // Make sure that the URL is fully encoded. IE actually sends some Unicode chars in request
    // URLs; because of this we allow some Unicode chars in URLs. However, at this point we're
    // handing things over the HttpClient, and HttpClient will blow up if we leave these Unicode
    // chars in the URL.
    final URL url = UrlUtils.encodeUrl(webRequest.getUrl(), false, charset);

    // URIUtils.createURI is deprecated but as of httpclient-4.2.1, URIBuilder doesn't work here as it encodes path
    // what shouldn't happen here
    URI uri = URIUtils.createURI(url.getProtocol(), url.getHost(), url.getPort(), url.getPath(),
            escapeQuery(url.getQuery()), null);
    if (getVirtualHost() != null) {
        uri = URI.create(getVirtualHost());
    }
    final HttpRequestBase httpMethod = buildHttpMethod(webRequest.getHttpMethod(), uri);
    setProxy(httpMethod, webRequest);
    if (!(httpMethod instanceof HttpEntityEnclosingRequest)) {
        // this is the case for GET as well as TRACE, DELETE, OPTIONS and HEAD
        if (!webRequest.getRequestParameters().isEmpty()) {
            final List<NameValuePair> pairs = webRequest.getRequestParameters();
            final org.apache.http.NameValuePair[] httpClientPairs = NameValuePair.toHttpClient(pairs);
            final String query = URLEncodedUtils.format(Arrays.asList(httpClientPairs), charset);
            uri = URIUtils.createURI(url.getProtocol(), url.getHost(), url.getPort(), url.getPath(), query,
                    null);
            httpMethod.setURI(uri);
        }
    } else { // POST as well as PUT and PATCH
        final HttpEntityEnclosingRequest method = (HttpEntityEnclosingRequest) httpMethod;

        if (webRequest.getEncodingType() == FormEncodingType.URL_ENCODED && method instanceof HttpPost) {
            final HttpPost postMethod = (HttpPost) method;
            if (webRequest.getRequestBody() == null) {
                final List<NameValuePair> pairs = webRequest.getRequestParameters();
                final org.apache.http.NameValuePair[] httpClientPairs = NameValuePair.toHttpClient(pairs);
                final String query = URLEncodedUtils.format(Arrays.asList(httpClientPairs), charset);
                final StringEntity urlEncodedEntity = new StringEntity(query, charset);
                urlEncodedEntity.setContentType(URLEncodedUtils.CONTENT_TYPE);
                postMethod.setEntity(urlEncodedEntity);
            } else {
                final String body = StringUtils.defaultString(webRequest.getRequestBody());
                final StringEntity urlEncodedEntity = new StringEntity(body, charset);
                urlEncodedEntity.setContentType(URLEncodedUtils.CONTENT_TYPE);
                postMethod.setEntity(urlEncodedEntity);
            }
        } else if (FormEncodingType.MULTIPART == webRequest.getEncodingType()) {
            final Charset c = getCharset(charset, webRequest.getRequestParameters());
            final MultipartEntityBuilder builder = MultipartEntityBuilder.create().setLaxMode();
            builder.setCharset(c);

            for (final NameValuePair pair : webRequest.getRequestParameters()) {
                if (pair instanceof KeyDataPair) {
                    buildFilePart((KeyDataPair) pair, builder);
                } else {
                    builder.addTextBody(pair.getName(), pair.getValue(),
                            ContentType.create("text/plain", charset));
                }
            }
            method.setEntity(builder.build());
        } else { // for instance a PUT or PATCH request
            final String body = webRequest.getRequestBody();
            if (body != null) {
                method.setEntity(new StringEntity(body, charset));
            }
        }
    }

    configureHttpProcessorBuilder(httpClientBuilder, webRequest);

    // Tell the client where to get its credentials from
    // (it may have changed on the webClient since last call to getHttpClientFor(...))
    final CredentialsProvider credentialsProvider = webClient_.getCredentialsProvider();

    // if the used url contains credentials, we have to add this
    final Credentials requestUrlCredentials = webRequest.getUrlCredentials();
    if (null != requestUrlCredentials && webClient_.getBrowserVersion().hasFeature(URL_AUTH_CREDENTIALS)) {
        final URL requestUrl = webRequest.getUrl();
        final AuthScope authScope = new AuthScope(requestUrl.getHost(), requestUrl.getPort());
        // updating our client to keep the credentials for the next request
        credentialsProvider.setCredentials(authScope, requestUrlCredentials);
        httpContext_.removeAttribute(HttpClientContext.TARGET_AUTH_STATE);
    }

    // if someone has set credentials to this request, we have to add this
    final Credentials requestCredentials = webRequest.getCredentials();
    if (null != requestCredentials) {
        final URL requestUrl = webRequest.getUrl();
        final AuthScope authScope = new AuthScope(requestUrl.getHost(), requestUrl.getPort());
        // updating our client to keep the credentials for the next request
        credentialsProvider.setCredentials(authScope, requestCredentials);
        httpContext_.removeAttribute(HttpClientContext.TARGET_AUTH_STATE);
    }
    httpClientBuilder.setDefaultCredentialsProvider(credentialsProvider);
    httpContext_.removeAttribute(HttpClientContext.CREDS_PROVIDER);

    return httpMethod;
}

From source file:org.apache.nifi.processors.standard.GetHTTP.java

@Override
public void onTrigger(final ProcessContext context, final ProcessSessionFactory sessionFactory)
        throws ProcessException {
    final ComponentLog logger = getLogger();

    final ProcessSession session = sessionFactory.createSession();
    final FlowFile incomingFlowFile = session.get();
    if (incomingFlowFile != null) {
        session.transfer(incomingFlowFile, REL_SUCCESS);
        logger.warn("found FlowFile {} in input queue; transferring to success",
                new Object[] { incomingFlowFile });
    }/* w w  w  .ja va2s.  c o m*/

    // get the URL
    final String url = context.getProperty(URL).evaluateAttributeExpressions().getValue();
    final URI uri;
    String source = url;
    try {
        uri = new URI(url);
        source = uri.getHost();
    } catch (final URISyntaxException swallow) {
        // this won't happen as the url has already been validated
    }

    // get the ssl context service
    final SSLContextService sslContextService = context.getProperty(SSL_CONTEXT_SERVICE)
            .asControllerService(SSLContextService.class);

    // create the connection manager
    final HttpClientConnectionManager conMan;
    if (sslContextService == null) {
        conMan = new BasicHttpClientConnectionManager();
    } else {
        final SSLContext sslContext;
        try {
            sslContext = createSSLContext(sslContextService);
        } catch (final Exception e) {
            throw new ProcessException(e);
        }

        final SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslContext);

        // Also include a plain socket factory for regular http connections (especially proxies)
        final Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder
                .<ConnectionSocketFactory>create().register("https", sslsf)
                .register("http", PlainConnectionSocketFactory.getSocketFactory()).build();

        conMan = new BasicHttpClientConnectionManager(socketFactoryRegistry);
    }

    try {
        // build the request configuration
        final RequestConfig.Builder requestConfigBuilder = RequestConfig.custom();
        requestConfigBuilder.setConnectionRequestTimeout(
                context.getProperty(DATA_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue());
        requestConfigBuilder.setConnectTimeout(
                context.getProperty(CONNECTION_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue());
        requestConfigBuilder.setSocketTimeout(
                context.getProperty(DATA_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue());
        requestConfigBuilder.setRedirectsEnabled(context.getProperty(FOLLOW_REDIRECTS).asBoolean());
        switch (context.getProperty(REDIRECT_COOKIE_POLICY).getValue()) {
        case STANDARD_COOKIE_POLICY_STR:
            requestConfigBuilder.setCookieSpec(CookieSpecs.STANDARD);
            break;
        case STRICT_COOKIE_POLICY_STR:
            requestConfigBuilder.setCookieSpec(CookieSpecs.STANDARD_STRICT);
            break;
        case NETSCAPE_COOKIE_POLICY_STR:
            requestConfigBuilder.setCookieSpec(CookieSpecs.NETSCAPE);
            break;
        case IGNORE_COOKIE_POLICY_STR:
            requestConfigBuilder.setCookieSpec(CookieSpecs.IGNORE_COOKIES);
            break;
        case DEFAULT_COOKIE_POLICY_STR:
        default:
            requestConfigBuilder.setCookieSpec(CookieSpecs.DEFAULT);
        }

        // build the http client
        final HttpClientBuilder clientBuilder = HttpClientBuilder.create();
        clientBuilder.setConnectionManager(conMan);

        // include the user agent
        final String userAgent = context.getProperty(USER_AGENT).getValue();
        if (userAgent != null) {
            clientBuilder.setUserAgent(userAgent);
        }

        // set the ssl context if necessary
        if (sslContextService != null) {
            clientBuilder.setSslcontext(sslContextService.createSSLContext(ClientAuth.REQUIRED));
        }

        final String username = context.getProperty(USERNAME).getValue();
        final String password = context.getProperty(PASSWORD).getValue();

        // set the credentials if appropriate
        if (username != null) {
            final CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
            if (password == null) {
                credentialsProvider.setCredentials(AuthScope.ANY, new UsernamePasswordCredentials(username));
            } else {
                credentialsProvider.setCredentials(AuthScope.ANY,
                        new UsernamePasswordCredentials(username, password));
            }
            clientBuilder.setDefaultCredentialsProvider(credentialsProvider);
        }

        // Set the proxy if specified
        if (context.getProperty(PROXY_HOST).isSet() && context.getProperty(PROXY_PORT).isSet()) {
            final String host = context.getProperty(PROXY_HOST).getValue();
            final int port = context.getProperty(PROXY_PORT).asInteger();
            clientBuilder.setProxy(new HttpHost(host, port));
        }

        // create request
        final HttpGet get = new HttpGet(url);
        get.setConfig(requestConfigBuilder.build());

        final StateMap beforeStateMap;

        try {
            beforeStateMap = context.getStateManager().getState(Scope.LOCAL);
            final String lastModified = beforeStateMap.get(LAST_MODIFIED + ":" + url);
            if (lastModified != null) {
                get.addHeader(HEADER_IF_MODIFIED_SINCE, parseStateValue(lastModified).getValue());
            }

            final String etag = beforeStateMap.get(ETAG + ":" + url);
            if (etag != null) {
                get.addHeader(HEADER_IF_NONE_MATCH, parseStateValue(etag).getValue());
            }
        } catch (final IOException ioe) {
            throw new ProcessException(ioe);
        }

        final String accept = context.getProperty(ACCEPT_CONTENT_TYPE).getValue();
        if (accept != null) {
            get.addHeader(HEADER_ACCEPT, accept);
        }

        // Add dynamic headers

        PropertyValue customHeaderValue;
        for (PropertyDescriptor customProperty : customHeaders) {
            customHeaderValue = context.getProperty(customProperty).evaluateAttributeExpressions();
            if (StringUtils.isNotBlank(customHeaderValue.getValue())) {
                get.addHeader(customProperty.getName(), customHeaderValue.getValue());
            }
        }

        // create the http client
        try (final CloseableHttpClient client = clientBuilder.build()) {
            // NOTE: including this inner try in order to swallow exceptions on close
            try {
                final StopWatch stopWatch = new StopWatch(true);
                final HttpResponse response = client.execute(get);
                final int statusCode = response.getStatusLine().getStatusCode();
                if (statusCode == NOT_MODIFIED) {
                    logger.info(
                            "content not retrieved because server returned HTTP Status Code {}: Not Modified",
                            new Object[] { NOT_MODIFIED });
                    context.yield();
                    // doing a commit in case there were flow files in the input queue
                    session.commit();
                    return;
                }
                final String statusExplanation = response.getStatusLine().getReasonPhrase();

                if ((statusCode >= 300) || (statusCode == 204)) {
                    logger.error("received status code {}:{} from {}",
                            new Object[] { statusCode, statusExplanation, url });
                    // doing a commit in case there were flow files in the input queue
                    session.commit();
                    return;
                }

                FlowFile flowFile = session.create();
                flowFile = session.putAttribute(flowFile, CoreAttributes.FILENAME.key(),
                        context.getProperty(FILENAME).evaluateAttributeExpressions().getValue());
                flowFile = session.putAttribute(flowFile,
                        this.getClass().getSimpleName().toLowerCase() + ".remote.source", source);
                flowFile = session.importFrom(response.getEntity().getContent(), flowFile);

                final Header contentTypeHeader = response.getFirstHeader("Content-Type");
                if (contentTypeHeader != null) {
                    final String contentType = contentTypeHeader.getValue();
                    if (!contentType.trim().isEmpty()) {
                        flowFile = session.putAttribute(flowFile, CoreAttributes.MIME_TYPE.key(),
                                contentType.trim());
                    }
                }

                final long flowFileSize = flowFile.getSize();
                stopWatch.stop();
                final String dataRate = stopWatch.calculateDataRate(flowFileSize);
                session.getProvenanceReporter().receive(flowFile, url,
                        stopWatch.getDuration(TimeUnit.MILLISECONDS));
                session.transfer(flowFile, REL_SUCCESS);
                logger.info("Successfully received {} from {} at a rate of {}; transferred to success",
                        new Object[] { flowFile, url, dataRate });
                session.commit();

                updateStateMap(context, response, beforeStateMap, url);

            } catch (final IOException e) {
                context.yield();
                session.rollback();
                logger.error("Failed to retrieve file from {} due to {}; rolling back session",
                        new Object[] { url, e.getMessage() }, e);
                throw new ProcessException(e);
            } catch (final Throwable t) {
                context.yield();
                session.rollback();
                logger.error("Failed to process due to {}; rolling back session",
                        new Object[] { t.getMessage() }, t);
                throw t;
            }
        } catch (final IOException e) {
            logger.debug("Error closing client due to {}, continuing.", new Object[] { e.getMessage() });
        }
    } finally {
        conMan.shutdown();
    }
}

From source file:org.apache.nifi.processors.standard.PostHTTP.java

@Override
public void onTrigger(final ProcessContext context, final ProcessSession session) {
    final boolean sendAsFlowFile = context.getProperty(SEND_AS_FLOWFILE).asBoolean();
    final int compressionLevel = context.getProperty(COMPRESSION_LEVEL).asInteger();
    final String userAgent = context.getProperty(USER_AGENT).getValue();

    final RequestConfig.Builder requestConfigBuilder = RequestConfig.custom();
    requestConfigBuilder.setConnectionRequestTimeout(
            context.getProperty(DATA_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue());
    requestConfigBuilder.setConnectTimeout(
            context.getProperty(CONNECTION_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue());
    requestConfigBuilder.setRedirectsEnabled(false);
    requestConfigBuilder/*from   w w w .  j a  v  a2s  .co m*/
            .setSocketTimeout(context.getProperty(DATA_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue());
    final RequestConfig requestConfig = requestConfigBuilder.build();

    final StreamThrottler throttler = throttlerRef.get();
    final ComponentLog logger = getLogger();

    final Double maxBatchBytes = context.getProperty(MAX_BATCH_SIZE).asDataSize(DataUnit.B);
    String lastUrl = null;
    long bytesToSend = 0L;

    final List<FlowFile> toSend = new ArrayList<>();
    DestinationAccepts destinationAccepts = null;
    CloseableHttpClient client = null;
    final String transactionId = UUID.randomUUID().toString();

    final AtomicReference<String> dnHolder = new AtomicReference<>("none");
    while (true) {
        FlowFile flowFile = session.get();
        if (flowFile == null) {
            break;
        }

        final String url = context.getProperty(URL).evaluateAttributeExpressions(flowFile).getValue();
        try {
            new java.net.URL(url);
        } catch (final MalformedURLException e) {
            logger.error(
                    "After substituting attribute values for {}, URL is {}; this is not a valid URL, so routing to failure",
                    new Object[] { flowFile, url });
            flowFile = session.penalize(flowFile);
            session.transfer(flowFile, REL_FAILURE);
            continue;
        }

        // If this FlowFile doesn't have the same url, throw it back on the queue and stop grabbing FlowFiles
        if (lastUrl != null && !lastUrl.equals(url)) {
            session.transfer(flowFile);
            break;
        }

        lastUrl = url;
        toSend.add(flowFile);

        if (client == null || destinationAccepts == null) {
            final Config config = getConfig(url, context);
            final HttpClientConnectionManager conMan = config.getConnectionManager();

            final HttpClientBuilder clientBuilder = HttpClientBuilder.create();
            clientBuilder.setConnectionManager(conMan);
            clientBuilder.setUserAgent(userAgent);
            clientBuilder.addInterceptorFirst(new HttpResponseInterceptor() {
                @Override
                public void process(final HttpResponse response, final HttpContext httpContext)
                        throws HttpException, IOException {
                    final HttpCoreContext coreContext = HttpCoreContext.adapt(httpContext);
                    final ManagedHttpClientConnection conn = coreContext
                            .getConnection(ManagedHttpClientConnection.class);
                    if (!conn.isOpen()) {
                        return;
                    }

                    final SSLSession sslSession = conn.getSSLSession();

                    if (sslSession != null) {
                        final Certificate[] certChain = sslSession.getPeerCertificates();
                        if (certChain == null || certChain.length == 0) {
                            throw new SSLPeerUnverifiedException("No certificates found");
                        }

                        try {
                            final X509Certificate cert = CertificateUtils
                                    .convertAbstractX509Certificate(certChain[0]);
                            dnHolder.set(cert.getSubjectDN().getName().trim());
                        } catch (CertificateException e) {
                            final String msg = "Could not extract subject DN from SSL session peer certificate";
                            logger.warn(msg);
                            throw new SSLPeerUnverifiedException(msg);
                        }
                    }
                }
            });

            clientBuilder.disableAutomaticRetries();
            clientBuilder.disableContentCompression();

            final String username = context.getProperty(USERNAME).getValue();
            final String password = context.getProperty(PASSWORD).getValue();
            // set the credentials if appropriate
            if (username != null) {
                final CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
                if (password == null) {
                    credentialsProvider.setCredentials(AuthScope.ANY,
                            new UsernamePasswordCredentials(username));
                } else {
                    credentialsProvider.setCredentials(AuthScope.ANY,
                            new UsernamePasswordCredentials(username, password));
                }
                clientBuilder.setDefaultCredentialsProvider(credentialsProvider);
            }

            // Set the proxy if specified
            if (context.getProperty(PROXY_HOST).isSet() && context.getProperty(PROXY_PORT).isSet()) {
                final String host = context.getProperty(PROXY_HOST).getValue();
                final int port = context.getProperty(PROXY_PORT).asInteger();
                clientBuilder.setProxy(new HttpHost(host, port));
            }

            client = clientBuilder.build();

            // determine whether or not destination accepts flowfile/gzip
            destinationAccepts = config.getDestinationAccepts();
            if (destinationAccepts == null) {
                try {
                    destinationAccepts = getDestinationAcceptance(sendAsFlowFile, client, url, getLogger(),
                            transactionId);
                    config.setDestinationAccepts(destinationAccepts);
                } catch (final IOException e) {
                    flowFile = session.penalize(flowFile);
                    session.transfer(flowFile, REL_FAILURE);
                    logger.error(
                            "Unable to communicate with destination {} to determine whether or not it can accept "
                                    + "flowfiles/gzip; routing {} to failure due to {}",
                            new Object[] { url, flowFile, e });
                    context.yield();
                    return;
                }
            }
        }

        bytesToSend += flowFile.getSize();
        if (bytesToSend > maxBatchBytes.longValue()) {
            break;
        }

        // if we are not sending as flowfile, or if the destination doesn't accept V3 or V2 (streaming) format,
        // then only use a single FlowFile
        if (!sendAsFlowFile
                || !destinationAccepts.isFlowFileV3Accepted() && !destinationAccepts.isFlowFileV2Accepted()) {
            break;
        }
    }

    if (toSend.isEmpty()) {
        return;
    }

    final String url = lastUrl;
    final HttpPost post = new HttpPost(url);
    final List<FlowFile> flowFileList = toSend;
    final DestinationAccepts accepts = destinationAccepts;
    final boolean isDestinationLegacyNiFi = accepts.getProtocolVersion() == null;

    final EntityTemplate entity = new EntityTemplate(new ContentProducer() {
        @Override
        public void writeTo(final OutputStream rawOut) throws IOException {
            final OutputStream throttled = throttler == null ? rawOut
                    : throttler.newThrottledOutputStream(rawOut);
            OutputStream wrappedOut = new BufferedOutputStream(throttled);
            if (compressionLevel > 0 && accepts.isGzipAccepted()) {
                wrappedOut = new GZIPOutputStream(wrappedOut, compressionLevel);
            }

            try (final OutputStream out = wrappedOut) {
                for (final FlowFile flowFile : flowFileList) {
                    session.read(flowFile, new InputStreamCallback() {
                        @Override
                        public void process(final InputStream rawIn) throws IOException {
                            try (final InputStream in = new BufferedInputStream(rawIn)) {

                                FlowFilePackager packager = null;
                                if (!sendAsFlowFile) {
                                    packager = null;
                                } else if (accepts.isFlowFileV3Accepted()) {
                                    packager = new FlowFilePackagerV3();
                                } else if (accepts.isFlowFileV2Accepted()) {
                                    packager = new FlowFilePackagerV2();
                                } else if (accepts.isFlowFileV1Accepted()) {
                                    packager = new FlowFilePackagerV1();
                                }

                                // if none of the above conditions is met, we should never get here, because
                                // we will have already verified that at least 1 of the FlowFile packaging
                                // formats is acceptable if sending as FlowFile.
                                if (packager == null) {
                                    StreamUtils.copy(in, out);
                                } else {
                                    final Map<String, String> flowFileAttributes;
                                    if (isDestinationLegacyNiFi) {
                                        // Old versions of NiFi expect nf.file.name and nf.file.path to indicate filename & path;
                                        // in order to maintain backward compatibility, we copy the filename & path to those attribute keys.
                                        flowFileAttributes = new HashMap<>(flowFile.getAttributes());
                                        flowFileAttributes.put("nf.file.name",
                                                flowFile.getAttribute(CoreAttributes.FILENAME.key()));
                                        flowFileAttributes.put("nf.file.path",
                                                flowFile.getAttribute(CoreAttributes.PATH.key()));
                                    } else {
                                        flowFileAttributes = flowFile.getAttributes();
                                    }

                                    packager.packageFlowFile(in, out, flowFileAttributes, flowFile.getSize());
                                }
                            }
                        }
                    });
                }

                out.flush();
            }
        }
    }) {

        @Override
        public long getContentLength() {
            if (compressionLevel == 0 && !sendAsFlowFile
                    && !context.getProperty(CHUNKED_ENCODING).asBoolean()) {
                return toSend.get(0).getSize();
            } else {
                return -1;
            }
        }
    };

    if (context.getProperty(CHUNKED_ENCODING).isSet()) {
        entity.setChunked(context.getProperty(CHUNKED_ENCODING).asBoolean());
    }
    post.setEntity(entity);
    post.setConfig(requestConfig);

    final String contentType;
    if (sendAsFlowFile) {
        if (accepts.isFlowFileV3Accepted()) {
            contentType = APPLICATION_FLOW_FILE_V3;
        } else if (accepts.isFlowFileV2Accepted()) {
            contentType = APPLICATION_FLOW_FILE_V2;
        } else if (accepts.isFlowFileV1Accepted()) {
            contentType = APPLICATION_FLOW_FILE_V1;
        } else {
            logger.error(
                    "Cannot send data to {} because the destination does not accept FlowFiles and this processor is "
                            + "configured to deliver FlowFiles; rolling back session",
                    new Object[] { url });
            session.rollback();
            context.yield();
            IOUtils.closeQuietly(client);
            return;
        }
    } else {
        final String contentTypeValue = context.getProperty(CONTENT_TYPE)
                .evaluateAttributeExpressions(toSend.get(0)).getValue();
        contentType = StringUtils.isBlank(contentTypeValue) ? DEFAULT_CONTENT_TYPE : contentTypeValue;
    }

    final String attributeHeaderRegex = context.getProperty(ATTRIBUTES_AS_HEADERS_REGEX).getValue();
    if (attributeHeaderRegex != null && !sendAsFlowFile && flowFileList.size() == 1) {
        final Pattern pattern = Pattern.compile(attributeHeaderRegex);

        final Map<String, String> attributes = flowFileList.get(0).getAttributes();
        for (final Map.Entry<String, String> entry : attributes.entrySet()) {
            final String key = entry.getKey();
            if (pattern.matcher(key).matches()) {
                post.setHeader(entry.getKey(), entry.getValue());
            }
        }
    }

    post.setHeader(CONTENT_TYPE_HEADER, contentType);
    post.setHeader(FLOWFILE_CONFIRMATION_HEADER, "true");
    post.setHeader(PROTOCOL_VERSION_HEADER, PROTOCOL_VERSION);
    post.setHeader(TRANSACTION_ID_HEADER, transactionId);
    if (compressionLevel > 0 && accepts.isGzipAccepted()) {
        if (sendAsFlowFile) {
            post.setHeader(GZIPPED_HEADER, "true");
        } else {
            post.setHeader(CONTENT_ENCODING_HEADER, CONTENT_ENCODING_GZIP_VALUE);
        }
    }

    // Do the actual POST
    final String flowFileDescription = toSend.size() <= 10 ? toSend.toString() : toSend.size() + " FlowFiles";

    final String uploadDataRate;
    final long uploadMillis;
    CloseableHttpResponse response = null;
    try {
        final StopWatch stopWatch = new StopWatch(true);
        response = client.execute(post);

        // consume input stream entirely, ignoring its contents. If we
        // don't do this, the Connection will not be returned to the pool
        EntityUtils.consume(response.getEntity());
        stopWatch.stop();
        uploadDataRate = stopWatch.calculateDataRate(bytesToSend);
        uploadMillis = stopWatch.getDuration(TimeUnit.MILLISECONDS);
    } catch (final IOException e) {
        logger.error("Failed to Post {} due to {}; transferring to failure",
                new Object[] { flowFileDescription, e });
        context.yield();
        for (FlowFile flowFile : toSend) {
            flowFile = session.penalize(flowFile);
            session.transfer(flowFile, REL_FAILURE);
        }
        return;
    } finally {
        if (response != null) {
            try {
                response.close();
            } catch (final IOException e) {
                getLogger().warn("Failed to close HTTP Response due to {}", new Object[] { e });
            }
        }
    }

    // If we get a 'SEE OTHER' status code and an HTTP header that indicates that the intent
    // of the Location URI is a flowfile hold, we will store this holdUri. This prevents us
    // from posting to some other webservice and then attempting to delete some resource to which
    // we are redirected
    final int responseCode = response.getStatusLine().getStatusCode();
    final String responseReason = response.getStatusLine().getReasonPhrase();
    String holdUri = null;
    if (responseCode == HttpServletResponse.SC_SEE_OTHER) {
        final Header locationUriHeader = response.getFirstHeader(LOCATION_URI_INTENT_NAME);
        if (locationUriHeader != null) {
            if (LOCATION_URI_INTENT_VALUE.equals(locationUriHeader.getValue())) {
                final Header holdUriHeader = response.getFirstHeader(LOCATION_HEADER_NAME);
                if (holdUriHeader != null) {
                    holdUri = holdUriHeader.getValue();
                }
            }
        }

        if (holdUri == null) {
            for (FlowFile flowFile : toSend) {
                flowFile = session.penalize(flowFile);
                logger.error(
                        "Failed to Post {} to {}: sent content and received status code {}:{} but no Hold URI",
                        new Object[] { flowFile, url, responseCode, responseReason });
                session.transfer(flowFile, REL_FAILURE);
            }
            return;
        }
    }

    if (holdUri == null) {
        if (responseCode == HttpServletResponse.SC_SERVICE_UNAVAILABLE) {
            for (FlowFile flowFile : toSend) {
                flowFile = session.penalize(flowFile);
                logger.error(
                        "Failed to Post {} to {}: response code was {}:{}; will yield processing, "
                                + "since the destination is temporarily unavailable",
                        new Object[] { flowFile, url, responseCode, responseReason });
                session.transfer(flowFile, REL_FAILURE);
            }
            context.yield();
            return;
        }

        if (responseCode >= 300) {
            for (FlowFile flowFile : toSend) {
                flowFile = session.penalize(flowFile);
                logger.error("Failed to Post {} to {}: response code was {}:{}",
                        new Object[] { flowFile, url, responseCode, responseReason });
                session.transfer(flowFile, REL_FAILURE);
            }
            return;
        }

        logger.info("Successfully Posted {} to {} in {} at a rate of {}", new Object[] { flowFileDescription,
                url, FormatUtils.formatMinutesSeconds(uploadMillis, TimeUnit.MILLISECONDS), uploadDataRate });

        for (final FlowFile flowFile : toSend) {
            session.getProvenanceReporter().send(flowFile, url, "Remote DN=" + dnHolder.get(), uploadMillis,
                    true);
            session.transfer(flowFile, REL_SUCCESS);
        }
        return;
    }

    //
    // the response indicated a Hold URI; delete the Hold.
    //
    // determine the full URI of the Flow File's Hold; Unfortunately, the responses that are returned have
    // changed over the past, so we have to take into account a few different possibilities.
    String fullHoldUri = holdUri;
    if (holdUri.startsWith("/contentListener")) {
        // If the Hold URI that we get starts with /contentListener, it may not really be /contentListener,
        // as this really indicates that it should be whatever we posted to -- if posting directly to the
        // ListenHTTP component, it will be /contentListener, but if posting to a proxy/load balancer, we may
        // be posting to some other URL.
        fullHoldUri = url + holdUri.substring(16);
    } else if (holdUri.startsWith("/")) {
        // URL indicates the full path but not hostname or port; use the same hostname & port that we posted
        // to but use the full path indicated by the response.
        int firstSlash = url.indexOf("/", 8);
        if (firstSlash < 0) {
            firstSlash = url.length();
        }
        final String beforeSlash = url.substring(0, firstSlash);
        fullHoldUri = beforeSlash + holdUri;
    } else if (!holdUri.startsWith("http")) {
        // Absolute URL
        fullHoldUri = url + (url.endsWith("/") ? "" : "/") + holdUri;
    }

    final HttpDelete delete = new HttpDelete(fullHoldUri);
    delete.setHeader(TRANSACTION_ID_HEADER, transactionId);

    while (true) {
        try {
            final HttpResponse holdResponse = client.execute(delete);
            EntityUtils.consume(holdResponse.getEntity());
            final int holdStatusCode = holdResponse.getStatusLine().getStatusCode();
            final String holdReason = holdResponse.getStatusLine().getReasonPhrase();
            if (holdStatusCode >= 300) {
                logger.error(
                        "Failed to delete Hold that destination placed on {}: got response code {}:{}; routing to failure",
                        new Object[] { flowFileDescription, holdStatusCode, holdReason });

                for (FlowFile flowFile : toSend) {
                    flowFile = session.penalize(flowFile);
                    session.transfer(flowFile, REL_FAILURE);
                }
                return;
            }

            logger.info("Successfully Posted {} to {} in {} milliseconds at a rate of {}",
                    new Object[] { flowFileDescription, url, uploadMillis, uploadDataRate });

            for (final FlowFile flowFile : toSend) {
                session.getProvenanceReporter().send(flowFile, url);
                session.transfer(flowFile, REL_SUCCESS);
            }
            return;
        } catch (final IOException e) {
            logger.warn("Failed to delete Hold that destination placed on {} due to {}",
                    new Object[] { flowFileDescription, e });
        }

        if (!isScheduled()) {
            context.yield();
            logger.warn(
                    "Failed to delete Hold that destination placed on {}; Processor has been stopped so routing FlowFile(s) to failure",
                    new Object[] { flowFileDescription });
            for (FlowFile flowFile : toSend) {
                flowFile = session.penalize(flowFile);
                session.transfer(flowFile, REL_FAILURE);
            }
            return;
        }
    }
}

From source file:org.apache.nifi.remote.util.SiteToSiteRestApiClient.java

private void setupClient() {
    final HttpClientBuilder clientBuilder = HttpClients.custom();

    if (sslContext != null) {
        clientBuilder.setSslcontext(sslContext);
        clientBuilder.addInterceptorFirst(new HttpsResponseInterceptor());
    }//from   w w  w.java  2  s. c om

    httpClient = clientBuilder.setDefaultCredentialsProvider(getCredentialsProvider()).build();
}

From source file:org.apache.zeppelin.submarine.hadoop.YarnClient.java

private static HttpClient buildSpengoHttpClient() {
    HttpClientBuilder builder = HttpClientBuilder.create();
    Lookup<AuthSchemeProvider> authSchemeRegistry = RegistryBuilder.<AuthSchemeProvider>create()
            .register(AuthSchemes.SPNEGO, new SPNegoSchemeFactory(true)).build();
    builder.setDefaultAuthSchemeRegistry(authSchemeRegistry);
    BasicCredentialsProvider credentialsProvider = new BasicCredentialsProvider();
    credentialsProvider.setCredentials(new AuthScope(null, -1, null), new Credentials() {
        @Override/*from ww  w  .  ja  va  2 s .  c  o m*/
        public Principal getUserPrincipal() {
            return null;
        }

        @Override
        public String getPassword() {
            return null;
        }
    });
    builder.setDefaultCredentialsProvider(credentialsProvider);

    // Avoid output WARN: Cookie rejected
    RequestConfig globalConfig = RequestConfig.custom().setCookieSpec(CookieSpecs.IGNORE_COOKIES).build();
    builder.setDefaultRequestConfig(globalConfig);

    CloseableHttpClient httpClient = builder.build();

    return httpClient;
}

From source file:org.flowable.ui.admin.service.engine.FlowableClientService.java

public CloseableHttpClient getHttpClient(String userName, String password) {

    CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
    credentialsProvider.setCredentials(AuthScope.ANY, new UsernamePasswordCredentials(userName, password));

    SSLConnectionSocketFactory sslsf = null;
    try {/*w  ww . j  av a 2 s  . co  m*/
        SSLContextBuilder builder = new SSLContextBuilder();
        builder.loadTrustMaterial(null, new TrustSelfSignedStrategy());
        sslsf = new SSLConnectionSocketFactory(builder.build(), new HostnameVerifier() {
            @Override
            public boolean verify(String s, SSLSession sslSession) {
                return true;
            }
        });
    } catch (Exception e) {
        LOGGER.warn("Could not configure HTTP client to use SSL", e);
    }

    HttpClientBuilder httpClientBuilder = HttpClientBuilder.create();
    httpClientBuilder.setDefaultCredentialsProvider(credentialsProvider);
    if (preemptiveBasicAuthentication) {
        String auth = userName + ":" + password;
        httpClientBuilder.setDefaultHeaders(Collections.singletonList(new BasicHeader(AUTH.WWW_AUTH_RESP,
                "Basic " + Base64.getEncoder().encodeToString(auth.getBytes(StandardCharsets.UTF_8)))));
    }

    if (sslsf != null) {
        httpClientBuilder.setSSLSocketFactory(sslsf);
    }

    return httpClientBuilder.build();
}

From source file:org.mitre.dsmiley.httpproxy.ProxyServlet.java

/**
 * Called from {@link #init(javax.servlet.ServletConfig)}. HttpClient offers
 * many opportunities for customization. By default, <a href=
 * "http://hc.apache.org/httpcomponents-client-ga/httpclient/apidocs/org/apache/http/impl/client/SystemDefaultHttpClient.html">
 * SystemDefaultHttpClient</a> is used if available, otherwise it falls back
 * to://from   www .j  ava2s  . c om
 * 
 * <pre>
 * new DefaultHttpClient(new ThreadSafeClientConnManager(), hcParams)
 * </pre>
 * 
 * SystemDefaultHttpClient uses PoolingClientConnectionManager. In any case,
 * it should be thread-safe.
 */
protected HttpClient createHttpClient(HttpParams hcParams) {
    try {

        String negotiateURL = getConfigParam("negotiate.url");
        String negotiateSPN = getConfigParam("negotiate.spn");
        if (negotiateURL != null && negotiateSPN != null) {
            System.out.println("negotiate url:" + negotiateURL);
            System.out.println("negotiate spn:" + negotiateSPN);
            // initialize the Windows security Context to get the negotiate
            // client token
            IWindowsSecurityContext clientContext = null;
            IWindowsCredentialsHandle clientCredentials = null;
            clientContext = WindowsSecurityContextImpl.getCurrent(SECURITY_PACKAGE, negotiateSPN);
            clientCredentials = WindowsCredentialsHandleImpl.getCurrent(SECURITY_PACKAGE);
            clientCredentials.initialize();
            String username = WindowsAccountImpl.getCurrentUsername();
            System.out.println("credentials for user " + username + " get prepared");
            byte[] token = clientContext.getToken();
            // encode the token with Base64 to be able to add it to the http
            // header
            String clientToken = Base64.encodeBase64String(token);
            System.out.println("clientToken" + clientToken);
            // if there is only a negotiate url the rest of the
            // authorization is based on cookies
            // so we need to support them.
            CookieStore cookieStore = new BasicCookieStore();
            RequestConfig globalConfig = RequestConfig.custom().setCookieSpec(CookieSpecs.DEFAULT).build();
            HttpClientContext context = HttpClientContext.create();
            proxyContext = context;
            context.setCookieStore(cookieStore);
            HttpClient httpClient = HttpClients.custom().disableRedirectHandling()
                    .setDefaultRequestConfig(globalConfig).setDefaultCookieStore(cookieStore).build();

            // first we need to act as a normal browser to get a http 401
            // with negotiate header
            doActAsBrowser = true;
            HttpGet browserHttpGet = new HttpGet(negotiateURL);
            addBrowserHeader(browserHttpGet);
            HttpResponse rep = httpClient.execute(browserHttpGet, context);

            if (rep.getStatusLine().getStatusCode() == 401) {
                System.out.println("negotiate requested - sending negotiate client token");
                HttpGet negotiateHttpGet = new HttpGet(negotiateURL);
                addBrowserHeader(negotiateHttpGet);
                negotiateHttpGet.addHeader("Authorization", "Negotiate " + clientToken);
                HttpResponse response = httpClient.execute(negotiateHttpGet, context);
                System.out.println(
                        "http result code of negotiate request:" + response.getStatusLine().getStatusCode());
                // now the url needs to be called periodically to keep the
                // cookie and connection alive
                String refreshTimeString = getConfigParam("negotiate.refreshtime");
                long refreshTime = 1000000;
                if (refreshTimeString != null) {
                    refreshTime = Long.parseLong(refreshTimeString);
                }
                HttpClientRefreshThread thread = new HttpClientRefreshThread(refreshTime, negotiateURL);
                thread.start();
                List<org.apache.http.cookie.Cookie> cookies = context.getCookieStore().getCookies();
                cookieString = "";
                int size = cookies.size() - 1;
                for (int i = 0; i < cookies.size(); i++) {
                    cookieString += cookies.get(i).getName();
                    cookieString += "=";
                    cookieString += cookies.get(i).getValue();
                    if (i != size)
                        cookieString += "; ";
                }
            } else {
                System.out.println("No negotiate requested");
            }
        } else {
            if (!WinHttpClients.isWinAuthAvailable()) {
                System.out.println("Integrated Win auth is not supported!!!");
            } else {
                HttpClientBuilder builder = WinHttpClients.custom();
                Registry<AuthSchemeProvider> authSchemeRegistry = RegistryBuilder.<AuthSchemeProvider>create()
                        .register(AuthSchemes.BASIC, new BasicSchemeFactory())
                        .register(AuthSchemes.DIGEST, new DigestSchemeFactory())
                        .register(AuthSchemes.SPNEGO, new SPNegoSchemeFactory())
                        .register(AuthSchemes.NTLM, new NTLMSchemeFactory())
                        .register(AuthSchemes.KERBEROS, new KerberosSchemeFactory()).build();
                builder.setDefaultAuthSchemeRegistry(authSchemeRegistry);
                String username = getConfigParam("user");
                String password = getConfigParam("password");
                String domain = getConfigParam("domain");
                String host = getConfigParam("host");
                if (username != null) {
                    NTCredentials cred = new NTCredentials(username, password, host, domain);
                    CredentialsProvider credsProvider = new WindowsCredentialsProvider(
                            new SystemDefaultCredentialsProvider());
                    credsProvider.setCredentials(AuthScope.ANY, cred);
                    builder.setDefaultCredentialsProvider(credsProvider);
                }
                builder.disableCookieManagement();
                builder.disableRedirectHandling();
                return builder.build();
            }

            // as of HttpComponents v4.2, this class is better since it uses
            // System
            // Properties:
            Class<?> clientClazz = Class.forName("org.apache.http.impl.client.SystemDefaultHttpClient");
            Constructor<?> constructor = clientClazz.getConstructor(HttpParams.class);
            return (HttpClient) constructor.newInstance(hcParams);
        }
    } catch (ClassNotFoundException e) {
        // no problem; use v4.1 below
    } catch (Exception e) {
        throw new RuntimeException(e);
    }

    // Fallback on using older client:
    return new DefaultHttpClient(new ThreadSafeClientConnManager(), hcParams);
}

From source file:org.opennms.core.web.HttpClientWrapper.java

protected void setCredentials(final HttpClientBuilder httpClientBuilder, final String username,
        final String password) {
    final UsernamePasswordCredentials credentials = new UsernamePasswordCredentials(username, password);
    final BasicCredentialsProvider credentialsProvider = new BasicCredentialsProvider();

    credentialsProvider.setCredentials(AuthScope.ANY, credentials);
    httpClientBuilder.setDefaultCredentialsProvider(credentialsProvider);
}

From source file:org.tanaguru.util.http.HttpRequestHandler.java

private CloseableHttpClient getHttpClient(String url) {
    RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(socketTimeout)
            .setConnectTimeout(connectionTimeout).build();
    HttpClientBuilder httpClientBuilder = HttpClientBuilder.create();
    httpClientBuilder.setDefaultRequestConfig(requestConfig);
    httpClientBuilder.setConnectionManager(new PoolingHttpClientConnectionManager());
    httpClientBuilder.setUserAgent(TANAGURU_USER_AGENT);
    if (isProxySet(url)) {
        LOGGER.debug(("Set proxy with " + proxyHost + " and " + proxyPort));
        httpClientBuilder.setProxy(new HttpHost(proxyHost, Integer.valueOf(proxyPort)));
        if (isProxyCredentialSet()) {
            CredentialsProvider credsProvider = new BasicCredentialsProvider();
            credsProvider.setCredentials(new AuthScope(proxyHost, Integer.valueOf(proxyPort)),
                    new UsernamePasswordCredentials(proxyUser, proxyPassword));
            httpClientBuilder.setDefaultCredentialsProvider(credsProvider);
            LOGGER.debug(("Set proxy credentials " + proxyHost + " and " + proxyPort + " and " + proxyUser
                    + " and " + proxyPassword));
        }/*from   w w w.  jav  a 2 s  . c  om*/
    }
    return httpClientBuilder.build();
}