Example usage for org.apache.commons.httpclient.contrib.proxy PluginProxyUtil detectProxy

List of usage examples for org.apache.commons.httpclient.contrib.proxy PluginProxyUtil detectProxy

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Introduction

In this page you can find the example usage for org.apache.commons.httpclient.contrib.proxy PluginProxyUtil detectProxy.

Prototype

public static ProxyHost detectProxy(URL sampleURL) throws ProxyDetectionException

Source Link

Document

Returns the Proxy Host information using settings from the java plugin.

Usage

From source file:org.apache.commons.httpclient.contrib.proxy.PluginProxyTestApplet.java

private void detectProxy() {
    String urlString = urlTextField.getText();
    if (urlString == null || "".equals(urlString)) {
        JOptionPane.showMessageDialog(super.getRootPane(), "URL can't be empty", "Missing URL",
                JOptionPane.ERROR_MESSAGE);
        return;/*from  ww w.  j a  va  2  s  . c  o  m*/
    }
    if (!urlString.startsWith("http://")) {
        urlString = "http://" + urlString;
    }
    try {
        URL url = new URL(urlString);
        HttpHost hostInfo = PluginProxyUtil.detectProxy(url);
        if (hostInfo != null) {
            hostLabel.setText(hostInfo.getHostName());
            portLabel.setText("" + hostInfo.getPort());
        } else {
            hostLabel.setText("none");
            portLabel.setText("none");
        }
        grid.validate();
    } catch (ProxyDetectionException e) {
        JOptionPane.showMessageDialog(getRootPane(), e.getMessage(), "Proxy Detection Failed",
                JOptionPane.ERROR_MESSAGE);
        e.printStackTrace();
    } catch (Exception e) {
        JOptionPane.showMessageDialog(getRootPane(), e.getMessage(), "Unexpected Exception",
                JOptionPane.ERROR_MESSAGE);
        e.printStackTrace();
    }
}

From source file:org.apache.commons.httpclient.contrib.proxy.PluginProxyTestApplet.java

public String getProxyHost(String urlString) {
    String result = urlString;//from   ww w.jav a 2s .  c  o  m
    try {
        URL url = new URL(urlString);
        HttpHost hostInfo = PluginProxyUtil.detectProxy(url);
        if (hostInfo != null) {
            result = hostInfo.getHostName();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return result;
}

From source file:org.apache.commons.httpclient.contrib.proxy.PluginProxyTestApplet.java

public int getProxyPort(String urlString) {
    int result = 80;
    try {//from w  w  w. j a  v a  2s .  c  om
        URL url = new URL(urlString);
        HttpHost hostInfo = PluginProxyUtil.detectProxy(url);
        if (hostInfo != null) {
            result = hostInfo.getPort();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return result;
}

From source file:org.jets3t.apps.uploader.Uploader.java

/**
 * Retrieves a signed PUT URL from the given URL address.
 * The URL must point at a server-side script or service that accepts POST messages.
 * The POST message will include parameters for all the items in uploaderProperties,
 * that is everything in the file uploader.properties plus all the applet's parameters.
 * Based on this input, the server-side script decides whether to allow access and return
 * a signed PUT URL.//from   w ww  . j ava2 s  . c o m
 *
 * @param credsProviderParamName
 * the name of the parameter containing the server URL target for the PUT request.
 * @return
 * the AWS credentials provided by the server-side script if access was allowed, null otherwise.
 *
 * @throws HttpException
 * @throws Exception
 */
private GatekeeperMessage contactGatewayServer(S3Object[] objects) throws Exception {
    // Retrieve credentials from URL location value by the property 'credentialsServiceUrl'.
    String gatekeeperUrl = uploaderProperties.getStringProperty("gatekeeperUrl",
            "Missing required property gatekeeperUrl");

    /*
     *  Build Gatekeeper request.
     */
    GatekeeperMessage gatekeeperMessage = new GatekeeperMessage();
    gatekeeperMessage.addApplicationProperties(userInputProperties); // Add User inputs as application properties.
    gatekeeperMessage.addApplicationProperties(parametersMap); // Add any Applet/Application parameters as application properties.

    // Make the Uploader's identifier available to Gatekeeper for version compatibility checking (if necessary)
    gatekeeperMessage.addApplicationProperty(GatekeeperMessage.PROPERTY_CLIENT_VERSION_ID, UPLOADER_VERSION_ID);

    // If a prior failure has occurred, add information about this failure.
    if (priorFailureException != null) {
        gatekeeperMessage.addApplicationProperty(GatekeeperMessage.PROPERTY_PRIOR_FAILURE_MESSAGE,
                priorFailureException.getMessage());
        // Now reset the prior failure variable.
        priorFailureException = null;
    }

    // Add all S3 objects as candiates for PUT signing.
    for (int i = 0; i < objects.length; i++) {
        SignatureRequest signatureRequest = new SignatureRequest(SignatureRequest.SIGNATURE_TYPE_PUT,
                objects[i].getKey());
        signatureRequest.setObjectMetadata(objects[i].getMetadataMap());

        gatekeeperMessage.addSignatureRequest(signatureRequest);
    }

    /*
     *  Build HttpClient POST message.
     */

    // Add all properties/parameters to credentials POST request.
    HttpPost postMethod = new HttpPost(gatekeeperUrl);
    Properties properties = gatekeeperMessage.encodeToProperties();

    Iterator<Map.Entry<Object, Object>> propsIter = properties.entrySet().iterator();
    List<NameValuePair> parameters = new ArrayList<NameValuePair>(properties.size());
    while (propsIter.hasNext()) {
        Map.Entry<Object, Object> entry = propsIter.next();
        String fieldName = (String) entry.getKey();
        String fieldValue = (String) entry.getValue();
        parameters.add(new BasicNameValuePair(fieldName, fieldValue));
    }
    postMethod.setEntity(new UrlEncodedFormEntity(parameters));

    // Create Http Client if necessary, and include User Agent information.
    if (httpClientGatekeeper == null) {
        httpClientGatekeeper = initHttpConnection();
    }

    // Try to detect any necessary proxy configurations.
    try {
        HttpHost proxyHost = PluginProxyUtil.detectProxy(new URL(gatekeeperUrl));
        if (proxyHost != null) {
            httpClientGatekeeper.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, proxyHost);
        }
        ((DefaultHttpClient) httpClientGatekeeper).setCredentialsProvider(this);

    } catch (Throwable t) {
        log.debug("No proxy detected");
    }

    // Perform Gateway request.
    log.debug("Contacting Gatekeeper at: " + gatekeeperUrl);
    HttpResponse response = null;
    try {
        response = httpClientGatekeeper.execute(postMethod);
        int responseCode = response.getStatusLine().getStatusCode();
        String contentType = response.getFirstHeader("Content-Type").getValue();
        if (responseCode == 200) {
            InputStream responseInputStream = null;

            Header encodingHeader = response.getFirstHeader("Content-Encoding");
            if (encodingHeader != null && "gzip".equalsIgnoreCase(encodingHeader.getValue())) {
                log.debug("Inflating gzip-encoded response");
                responseInputStream = new GZIPInputStream(response.getEntity().getContent());
            } else {
                responseInputStream = response.getEntity().getContent();
            }

            if (responseInputStream == null) {
                throw new IOException("No response input stream available from Gatekeeper");
            }

            Properties responseProperties = new Properties();
            try {
                responseProperties.load(responseInputStream);
            } finally {
                responseInputStream.close();
            }

            GatekeeperMessage gatekeeperResponseMessage = GatekeeperMessage
                    .decodeFromProperties(responseProperties);

            // Check for Gatekeeper Error Code in response.
            String gatekeeperErrorCode = gatekeeperResponseMessage.getApplicationProperties()
                    .getProperty(GatekeeperMessage.APP_PROPERTY_GATEKEEPER_ERROR_CODE);
            if (gatekeeperErrorCode != null) {
                log.warn("Received Gatekeeper error code: " + gatekeeperErrorCode);
                failWithFatalError(gatekeeperErrorCode);
                return null;
            }

            if (gatekeeperResponseMessage.getSignatureRequests().length != objects.length) {
                throw new Exception("The Gatekeeper service did not provide the necessary " + objects.length
                        + " response items");
            }

            return gatekeeperResponseMessage;
        } else {
            log.debug("The Gatekeeper did not permit a request. Response code: " + responseCode
                    + ", Response content type: " + contentType);
            throw new Exception("The Gatekeeper did not permit your request");
        }
    } catch (Exception e) {
        throw new Exception("Gatekeeper did not respond", e);
    } finally {
        EntityUtils.consume(response.getEntity());
    }
}

From source file:org.jets3t.service.utils.signedurl.GatekeeperClientUtils.java

/**
 * Request permission from the Gatekeeper for a particular operation.
 *
 * @param operationType/*www .ja va 2 s . c  o  m*/
 * @param bucketName
 * @param objects
 * @param applicationPropertiesMap
 * @throws HttpException
 * @throws Exception
 */
public GatekeeperMessage requestActionThroughGatekeeper(String operationType, String bucketName,
        S3Object[] objects, Map applicationPropertiesMap) throws HttpException, Exception {
    /*
     *  Build Gatekeeper request.
     */
    GatekeeperMessage gatekeeperMessage = new GatekeeperMessage();
    gatekeeperMessage.addApplicationProperties(applicationPropertiesMap);
    gatekeeperMessage.addApplicationProperty(GatekeeperMessage.PROPERTY_CLIENT_VERSION_ID,
            userAgentDescription);

    // If a prior failure has occurred, add information about this failure.
    if (priorFailureException != null) {
        gatekeeperMessage.addApplicationProperty(GatekeeperMessage.PROPERTY_PRIOR_FAILURE_MESSAGE,
                priorFailureException.getMessage());
        // Now reset the prior failure variable.
        priorFailureException = null;
    }

    // Add all S3 objects as candiates for PUT signing.
    for (int i = 0; i < objects.length; i++) {
        SignatureRequest signatureRequest = new SignatureRequest(operationType, objects[i].getKey());
        signatureRequest.setObjectMetadata(objects[i].getMetadataMap());
        signatureRequest.setBucketName(bucketName);

        gatekeeperMessage.addSignatureRequest(signatureRequest);
    }

    /*
     *  Build HttpClient POST message.
     */

    // Add all properties/parameters to credentials POST request.
    HttpPost postMethod = new HttpPost(gatekeeperUrl);
    Properties properties = gatekeeperMessage.encodeToProperties();
    Iterator<Map.Entry<Object, Object>> propsIter = properties.entrySet().iterator();
    List<NameValuePair> parameters = new ArrayList<NameValuePair>(properties.size());
    while (propsIter.hasNext()) {
        Map.Entry<Object, Object> entry = propsIter.next();
        String fieldName = (String) entry.getKey();
        String fieldValue = (String) entry.getValue();
        parameters.add(new BasicNameValuePair(fieldName, fieldValue));
    }
    postMethod.setEntity(new UrlEncodedFormEntity(parameters));

    // Create Http Client if necessary, and include User Agent information.
    if (httpClientGatekeeper == null) {
        httpClientGatekeeper = initHttpConnection();
    }

    // Try to detect any necessary proxy configurations.
    try {
        HttpHost proxyHost = PluginProxyUtil.detectProxy(new URL(gatekeeperUrl));
        if (proxyHost != null) {
            httpClientGatekeeper.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, proxyHost);
        }
    } catch (Throwable t) {
        if (log.isDebugEnabled()) {
            log.debug("No proxy detected");
        }
    }

    // Perform Gateway request.
    if (log.isDebugEnabled()) {
        log.debug("Contacting Gatekeeper at: " + gatekeeperUrl);
    }
    HttpResponse response = null;
    try {
        response = httpClientGatekeeper.execute(postMethod);
        int responseCode = response.getStatusLine().getStatusCode();
        String contentType = response.getFirstHeader("Content-Type").getValue();
        if (responseCode == 200) {
            InputStream responseInputStream = null;

            Header encodingHeader = response.getFirstHeader("Content-Encoding");
            if (encodingHeader != null && "gzip".equalsIgnoreCase(encodingHeader.getValue())) {
                if (log.isDebugEnabled()) {
                    log.debug("Inflating gzip-encoded response");
                }
                responseInputStream = new GZIPInputStream(response.getEntity().getContent());
            } else {
                responseInputStream = response.getEntity().getContent();
            }

            if (responseInputStream == null) {
                throw new IOException("No response input stream available from Gatekeeper");
            }

            Properties responseProperties = new Properties();
            try {
                responseProperties.load(responseInputStream);
            } finally {
                responseInputStream.close();
            }

            GatekeeperMessage gatekeeperResponseMessage = GatekeeperMessage
                    .decodeFromProperties(responseProperties);

            // Check for Gatekeeper Error Code in response.
            String gatekeeperErrorCode = gatekeeperResponseMessage.getApplicationProperties()
                    .getProperty(GatekeeperMessage.APP_PROPERTY_GATEKEEPER_ERROR_CODE);
            if (gatekeeperErrorCode != null) {
                if (log.isWarnEnabled()) {
                    log.warn("Received Gatekeeper error code: " + gatekeeperErrorCode);
                }
            }

            return gatekeeperResponseMessage;
        } else {
            if (log.isDebugEnabled()) {
                log.debug("The Gatekeeper did not permit a request. Response code: " + responseCode
                        + ", Response content type: " + contentType);
            }
            throw new IOException("The Gatekeeper did not permit your request");
        }
    } catch (IOException e) {
        throw e;
    } catch (Exception e) {
        throw new Exception("Gatekeeper did not respond", e);
    } finally {
        try {
            EntityUtils.consume(response.getEntity());
        } catch (Exception ee) {
            // ignore
        }
    }
}