Examples with HttpClientWrapper org.opennms.core.web.HttpClientWrapper used on opensource projects

Example 1 with HttpClientWrapper

use of org.opennms.core.web.HttpClientWrapper in project opennms by OpenNMS.

the class HttpRequisitionProvider method getRequisitionFor.

@Override
public Requisition getRequisitionFor(HttpRequisitionRequest request) {
    try (HttpClientWrapper client = HttpClientWrapper.create()) {
        final URI uri = new URI(request.getUrl());
        HttpGet get = new HttpGet(uri);
        if (Boolean.FALSE.equals(request.getStrictSsl())) {
            client.trustSelfSigned(uri.getScheme());
        }
        if (request.getUsername() != null) {
            client.addBasicCredentials(request.getPassword(), request.getPassword());
        }
        try (CloseableHttpResponse response = client.execute(get)) {
            String responseString = new BasicResponseHandler().handleResponse(response);
            return JaxbUtils.unmarshal(Requisition.class, responseString);
        }
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

Example 2 with HttpClientWrapper

use of org.opennms.core.web.HttpClientWrapper in project opennms by OpenNMS.

the class HttpPostMonitor method poll.

/**
 * {@inheritDoc}
 *
 * Poll the specified address for service availability.
 *
 * During the poll an attempt is made to execute the named method (with optional input) connect on the specified port. If
 * the exec on request is successful, the banner line generated by the
 * interface is parsed and if the banner text indicates that we are talking
 * to Provided that the interface's response is valid we set the service
 * status to SERVICE_AVAILABLE and return.
 */
public PollStatus poll(MonitoredService svc, Map<String, Object> parameters) {
    // Process parameters
    TimeoutTracker tracker = new TimeoutTracker(parameters, DEFAULT_RETRY, DEFAULT_TIMEOUT);
    // Port
    int port = ParameterMap.getKeyedInteger(parameters, PARAMETER_PORT, DEFAULT_PORT);
    // URI
    String strURI = ParameterMap.getKeyedString(parameters, PARAMETER_URI, DEFAULT_URI);
    // Username
    String strUser = ParameterMap.getKeyedString(parameters, PARAMETER_USERNAME, null);
    // Password
    String strPasswd = ParameterMap.getKeyedString(parameters, PARAMETER_PASSWORD, null);
    // BannerMatch
    String strBannerMatch = ParameterMap.getKeyedString(parameters, PARAMETER_BANNER, null);
    // Scheme
    String strScheme = ParameterMap.getKeyedString(parameters, PARAMETER_SCHEME, DEFAULT_SCHEME);
    // Payload
    String strPayload = ParameterMap.getKeyedString(parameters, PARAMETER_PAYLOAD, null);
    // Mimetype
    String strMimetype = ParameterMap.getKeyedString(parameters, PARAMETER_MIMETYPE, DEFAULT_MIMETYPE);
    // Charset
    String strCharset = ParameterMap.getKeyedString(parameters, PARAMETER_CHARSET, DEFAULT_CHARSET);
    // SSLFilter
    boolean boolSSLFilter = ParameterMap.getKeyedBoolean(parameters, PARAMETER_SSLFILTER, DEFAULT_SSLFILTER);
    // Get the address instance.
    InetAddress ipAddr = svc.getAddress();
    final String hostAddress = InetAddressUtils.str(ipAddr);
    LOG.debug("poll: address = {}, port = {}, {}", hostAddress, port, tracker);
    // Give it a whirl
    PollStatus serviceStatus = PollStatus.unavailable();
    for (tracker.reset(); tracker.shouldRetry() && !serviceStatus.isAvailable(); tracker.nextAttempt()) {
        HttpClientWrapper clientWrapper = null;
        try {
            tracker.startAttempt();
            clientWrapper = HttpClientWrapper.create().setConnectionTimeout(tracker.getSoTimeout()).setSocketTimeout(tracker.getSoTimeout()).setRetries(DEFAULT_RETRY);
            if (boolSSLFilter) {
                clientWrapper.trustSelfSigned(strScheme);
            }
            HttpEntity postReq;
            if (strUser != null && strPasswd != null) {
                clientWrapper.addBasicCredentials(strUser, strPasswd);
            }
            try {
                postReq = new StringEntity(strPayload, ContentType.create(strMimetype, strCharset));
            } catch (final UnsupportedCharsetException e) {
                serviceStatus = PollStatus.unavailable("Unsupported encoding encountered while constructing POST body " + e);
                break;
            }
            URIBuilder ub = new URIBuilder();
            ub.setScheme(strScheme);
            ub.setHost(hostAddress);
            ub.setPort(port);
            ub.setPath(strURI);
            LOG.debug("HttpPostMonitor: Constructed URL is {}", ub);
            HttpPost post = new HttpPost(ub.build());
            post.setEntity(postReq);
            CloseableHttpResponse response = clientWrapper.execute(post);
            LOG.debug("HttpPostMonitor: Status Line is {}", response.getStatusLine());
            if (response.getStatusLine().getStatusCode() > 399) {
                LOG.info("HttpPostMonitor: Got response status code {}", response.getStatusLine().getStatusCode());
                LOG.debug("HttpPostMonitor: Received server response: {}", response.getStatusLine());
                LOG.debug("HttpPostMonitor: Failing on bad status code");
                serviceStatus = PollStatus.unavailable("HTTP(S) Status code " + response.getStatusLine().getStatusCode());
                break;
            }
            LOG.debug("HttpPostMonitor: Response code is valid");
            double responseTime = tracker.elapsedTimeInMillis();
            HttpEntity entity = response.getEntity();
            InputStream responseStream = entity.getContent();
            String Strresponse = IOUtils.toString(responseStream);
            if (Strresponse == null)
                continue;
            LOG.debug("HttpPostMonitor: banner = {}", Strresponse);
            LOG.debug("HttpPostMonitor: responseTime= {}ms", responseTime);
            // Could it be a regex?
            if (!Strings.isNullOrEmpty(strBannerMatch) && strBannerMatch.startsWith("~")) {
                if (!Strresponse.matches(strBannerMatch.substring(1))) {
                    serviceStatus = PollStatus.unavailable("Banner does not match Regex '" + strBannerMatch + "'");
                    break;
                } else {
                    serviceStatus = PollStatus.available(responseTime);
                }
            } else {
                if (Strresponse.indexOf(strBannerMatch) > -1) {
                    serviceStatus = PollStatus.available(responseTime);
                } else {
                    serviceStatus = PollStatus.unavailable("Did not find expected Text '" + strBannerMatch + "'");
                    break;
                }
            }
        } catch (final URISyntaxException e) {
            final String reason = "URISyntaxException for URI: " + strURI + " " + e.getMessage();
            LOG.debug(reason, e);
            serviceStatus = PollStatus.unavailable(reason);
            break;
        } catch (final Exception e) {
            final String reason = "Exception: " + e.getMessage();
            LOG.debug(reason, e);
            serviceStatus = PollStatus.unavailable(reason);
            break;
        } finally {
            IOUtils.closeQuietly(clientWrapper);
        }
    }
    // return the status of the service
    return serviceStatus;
}

Example 3 with HttpClientWrapper

use of org.opennms.core.web.HttpClientWrapper in project opennms by OpenNMS.

the class WebMonitor method poll.

/**
 * {@inheritDoc}
 */
@Override
public PollStatus poll(MonitoredService svc, Map<String, Object> map) {
    PollStatus pollStatus = PollStatus.unresponsive();
    HttpClientWrapper clientWrapper = HttpClientWrapper.create();
    try {
        final String hostAddress = InetAddressUtils.str(svc.getAddress());
        URIBuilder ub = new URIBuilder();
        ub.setScheme(ParameterMap.getKeyedString(map, "scheme", DEFAULT_SCHEME));
        ub.setHost(hostAddress);
        ub.setPort(ParameterMap.getKeyedInteger(map, "port", DEFAULT_PORT));
        ub.setPath(ParameterMap.getKeyedString(map, "path", DEFAULT_PATH));
        String queryString = ParameterMap.getKeyedString(map, "queryString", null);
        if (queryString != null && !queryString.trim().isEmpty()) {
            final List<NameValuePair> params = URLEncodedUtils.parse(queryString, StandardCharsets.UTF_8);
            if (!params.isEmpty()) {
                ub.setParameters(params);
            }
        }
        final HttpGet getMethod = new HttpGet(ub.build());
        clientWrapper.setConnectionTimeout(ParameterMap.getKeyedInteger(map, "timeout", DEFAULT_TIMEOUT)).setSocketTimeout(ParameterMap.getKeyedInteger(map, "timeout", DEFAULT_TIMEOUT));
        final String userAgent = ParameterMap.getKeyedString(map, "user-agent", DEFAULT_USER_AGENT);
        if (userAgent != null && !userAgent.trim().isEmpty()) {
            clientWrapper.setUserAgent(userAgent);
        }
        final String virtualHost = ParameterMap.getKeyedString(map, "virtual-host", hostAddress);
        if (virtualHost != null && !virtualHost.trim().isEmpty()) {
            clientWrapper.setVirtualHost(virtualHost);
        }
        if (ParameterMap.getKeyedBoolean(map, "http-1.0", false)) {
            clientWrapper.setVersion(HttpVersion.HTTP_1_0);
        }
        for (final Object okey : map.keySet()) {
            final String key = okey.toString();
            if (key.matches("header_[0-9]+$")) {
                final String headerName = ParameterMap.getKeyedString(map, key, null);
                final String headerValue = ParameterMap.getKeyedString(map, key + "_value", null);
                getMethod.setHeader(headerName, headerValue);
            }
        }
        if (ParameterMap.getKeyedBoolean(map, "use-ssl-filter", false)) {
            clientWrapper.trustSelfSigned(ParameterMap.getKeyedString(map, "scheme", DEFAULT_SCHEME));
        }
        if (ParameterMap.getKeyedBoolean(map, "auth-enabled", false)) {
            clientWrapper.addBasicCredentials(ParameterMap.getKeyedString(map, "auth-user", DEFAULT_USER), ParameterMap.getKeyedString(map, "auth-password", DEFAULT_PASSWORD));
            if (ParameterMap.getKeyedBoolean(map, "auth-preemptive", true)) {
                clientWrapper.usePreemptiveAuth();
            }
        }
        LOG.debug("getMethod parameters: {}", getMethod);
        CloseableHttpResponse response = clientWrapper.execute(getMethod);
        int statusCode = response.getStatusLine().getStatusCode();
        String statusText = response.getStatusLine().getReasonPhrase();
        String expectedText = ParameterMap.getKeyedString(map, "response-text", null);
        LOG.debug("returned results are:");
        if (!inRange(ParameterMap.getKeyedString(map, "response-range", DEFAULT_HTTP_STATUS_RANGE), statusCode)) {
            pollStatus = PollStatus.unavailable(statusText);
        } else {
            pollStatus = PollStatus.available();
        }
        if (expectedText != null) {
            String responseText = EntityUtils.toString(response.getEntity());
            if (expectedText.charAt(0) == '~') {
                if (!responseText.matches(expectedText.substring(1))) {
                    pollStatus = PollStatus.unavailable("Regex Failed");
                } else
                    pollStatus = PollStatus.available();
            } else {
                if (expectedText.equals(responseText))
                    pollStatus = PollStatus.available();
                else
                    pollStatus = PollStatus.unavailable("Did not find expected Text");
            }
        }
    } catch (IOException e) {
        LOG.info(e.getMessage());
        pollStatus = PollStatus.unavailable(e.getMessage());
    } catch (URISyntaxException e) {
        LOG.info(e.getMessage());
        pollStatus = PollStatus.unavailable(e.getMessage());
    } catch (GeneralSecurityException e) {
        LOG.error("Unable to set SSL trust to allow self-signed certificates", e);
        pollStatus = PollStatus.unavailable("Unable to set SSL trust to allow self-signed certificates");
    } catch (Throwable e) {
        LOG.error("Unexpected exception while running " + getClass().getName(), e);
        pollStatus = PollStatus.unavailable("Unexpected exception: " + e.getMessage());
    } finally {
        IOUtils.closeQuietly(clientWrapper);
    }
    return pollStatus;
}

Example 4 with HttpClientWrapper

use of org.opennms.core.web.HttpClientWrapper in project opennms by OpenNMS.

the class HttpNorthbounder method forwardAlarms.

/* (non-Javadoc)
     * @see org.opennms.netmgt.alarmd.api.support.AbstractNorthbounder#forwardAlarms(java.util.List)
     */
@Override
public void forwardAlarms(List<NorthboundAlarm> alarms) throws NorthbounderException {
    LOG.info("Forwarding {} alarms", alarms.size());
    // Need a configuration bean for these
    int connectionTimeout = 3000;
    int socketTimeout = 3000;
    Integer retryCount = Integer.valueOf(3);
    URI uri = m_config.getURI();
    final HttpClientWrapper clientWrapper = HttpClientWrapper.create().setConnectionTimeout(connectionTimeout).setSocketTimeout(socketTimeout).setRetries(retryCount).useBrowserCompatibleCookies();
    if (m_config.getVirtualHost() != null && !m_config.getVirtualHost().trim().isEmpty()) {
        clientWrapper.setVirtualHost(m_config.getVirtualHost());
    }
    if (m_config.getUserAgent() != null && !m_config.getUserAgent().trim().isEmpty()) {
        clientWrapper.setUserAgent(m_config.getUserAgent());
    }
    if ("https".equals(uri.getScheme())) {
        try {
            clientWrapper.useRelaxedSSL("https");
        } catch (final GeneralSecurityException e) {
            throw new NorthbounderException("Failed to configure HTTP northbounder for relaxed SSL.", e);
        }
    }
    HttpUriRequest method = null;
    if (HttpMethod.POST == (m_config.getMethod())) {
        HttpPost postMethod = new HttpPost(uri);
        // TODO: need to configure these
        List<NameValuePair> postParms = new ArrayList<>();
        // FIXME:do this for now
        NameValuePair p = new BasicNameValuePair("foo", "bar");
        postParms.add(p);
        UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(postParms, StandardCharsets.UTF_8);
        postMethod.setEntity(formEntity);
        HttpEntity entity = null;
        try {
            // I have no idea what I'm doing here ;)
            entity = new StringEntity("XML HERE");
        } catch (UnsupportedEncodingException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        postMethod.setEntity(entity);
        method = postMethod;
    } else if (HttpMethod.GET == m_config.getMethod()) {
        // TODO: need to configure these
        // List<NameValuePair> getParms = null;
        method = new HttpGet(uri);
    }
    HttpVersion httpVersion = determineHttpVersion(m_config.getHttpVersion());
    clientWrapper.setVersion(httpVersion);
    HttpResponse response = null;
    try {
        response = clientWrapper.execute(method);
        int code = response.getStatusLine().getStatusCode();
        HttpResponseRange range = new HttpResponseRange("200-399");
        if (!range.contains(code)) {
            LOG.debug("response code out of range for uri:{}.  Expected {} but received {}", uri, range, code);
            throw new NorthbounderException("response code out of range for uri:" + uri + ".  Expected " + range + " but received " + code);
        }
        LOG.debug("HTTP Northbounder received response: {}", response.getStatusLine().getReasonPhrase());
    } catch (final ClientProtocolException e) {
        throw new NorthbounderException(e);
    } catch (final IOException e) {
        throw new NorthbounderException(e);
    } finally {
        IOUtils.closeQuietly(clientWrapper);
    }
}

Example 5 with HttpClientWrapper

use of org.opennms.core.web.HttpClientWrapper in project opennms by OpenNMS.

the class HttpNotificationStrategy method send.

/* (non-Javadoc)
     * @see org.opennms.netmgt.notifd.NotificationStrategy#send(java.util.List)
     */
/**
 * {@inheritDoc}
 */
@Override
public int send(List<Argument> arguments) {
    m_arguments = arguments;
    String url = getUrl();
    if (url == null) {
        LOG.warn("send: url argument is null, HttpNotification requires a URL");
        return 1;
    }
    final HttpClientWrapper clientWrapper = HttpClientWrapper.create().setConnectionTimeout(3000).setSocketTimeout(3000).useSystemProxySettings();
    HttpUriRequest method = null;
    final List<NameValuePair> posts = getPostArguments();
    if (posts == null) {
        method = new HttpGet(url);
        LOG.info("send: No \"post-\" arguments..., continuing with an HTTP GET using URL: {}", url);
    } else {
        LOG.info("send: Found \"post-\" arguments..., continuing with an HTTP POST using URL: {}", url);
        for (final NameValuePair post : posts) {
            LOG.debug("send: post argument: {} = {}", post.getName(), post.getValue());
        }
        method = new HttpPost(url);
        final UrlEncodedFormEntity entity = new UrlEncodedFormEntity(posts, StandardCharsets.UTF_8);
        ((HttpPost) method).setEntity(entity);
    }
    String contents = null;
    int statusCode = -1;
    try {
        CloseableHttpResponse response = clientWrapper.execute(method);
        statusCode = response.getStatusLine().getStatusCode();
        contents = EntityUtils.toString(response.getEntity());
        LOG.info("send: Contents is: {}", contents);
    } catch (IOException e) {
        LOG.error("send: IO problem with HTTP post/response: {}", e);
        throw new RuntimeException("Problem with HTTP post: " + e.getMessage());
    } finally {
        IOUtils.closeQuietly(clientWrapper);
    }
    doSql(contents);
    return statusCode;
}