Examples with RegistrationRequest it.unibo.arces.wot.sepa.commons.request.RegistrationRequest used on opensource projects

Example 1 with RegistrationRequest

use of it.unibo.arces.wot.sepa.commons.request.RegistrationRequest in project SEPA by arces-wot.

the class SPARQL11SEProtocol method executeSPARQL11SEPrimitive.

protected Response executeSPARQL11SEPrimitive(SPARQL11SEPrimitive op, Object request) {
    // Create the HTTPS request
    URI uri;
    String path = null;
    int port = 0;
    // Headers and body
    String contentType = null;
    ByteArrayEntity body = null;
    String accept = null;
    String authorization = null;
    switch(op) {
        case SUBSCRIBE:
            SubscribeRequest subscribe = (SubscribeRequest) request;
            return wsClient.subscribe(subscribe.getSPARQL());
        case UNSUBSCRIBE:
            UnsubscribeRequest unsubscribe = (UnsubscribeRequest) request;
            return wsClient.unsubscribe(unsubscribe.getSubscribeUUID());
        // }
        default:
            break;
    }
    switch(op) {
        case REGISTER:
            path = properties.getRegisterPath();
            port = properties.getHttpsPort();
            accept = "application/json";
            contentType = "application/json";
            String identity = (String) request;
            try {
                body = new ByteArrayEntity(new RegistrationRequest(identity).toString().getBytes("UTF-8"));
            } catch (UnsupportedEncodingException e) {
                return new ErrorResponse(500, e.getMessage());
            }
            break;
        case REQUESTTOKEN:
            String basic;
            try {
                basic = properties.getBasicAuthorization();
            } catch (SEPASecurityException e2) {
                return new ErrorResponse(500, e2.getMessage());
            }
            if (basic == null)
                return new ErrorResponse(0, 401, "Basic authorization in null. Register first");
            path = properties.getTokenRequestPath();
            port = properties.getHttpsPort();
            authorization = "Basic " + basic;
            contentType = "application/json";
            accept = "application/json";
            break;
        case SECUREUPDATE:
            path = properties.getSecurePath() + properties.getUpdatePath();
            port = properties.getHttpsPort();
            accept = "text/plain";
            contentType = "application/x-www-form-urlencoded";
            try {
                authorization = "Bearer " + properties.getAccessToken();
            } catch (SEPASecurityException e2) {
                return new ErrorResponse(500, e2.getMessage());
            }
            String encodedContent;
            try {
                encodedContent = URLEncoder.encode(((UpdateRequest) request).getSPARQL(), "UTF-8");
            } catch (UnsupportedEncodingException e) {
                return new ErrorResponse(500, e.getMessage());
            }
            body = new ByteArrayEntity(("update=" + encodedContent).getBytes());
            body.setContentType(contentType);
            break;
        case SECUREQUERY:
            path = properties.getSecurePath() + properties.getQueryPath();
            port = properties.getHttpsPort();
            accept = "application/sparql-results+json";
            contentType = "application/sparql-query";
            try {
                authorization = "Bearer " + properties.getAccessToken();
            } catch (SEPASecurityException e2) {
                return new ErrorResponse(500, e2.getMessage());
            }
            try {
                body = new ByteArrayEntity(((QueryRequest) request).getSPARQL().getBytes("UTF-8"));
            } catch (UnsupportedEncodingException e) {
                return new ErrorResponse(500, e.getMessage());
            }
            break;
        default:
            break;
    }
    // POST request
    try {
        uri = new URI("https", null, properties.getHost(), port, path, null, null);
    } catch (URISyntaxException e1) {
        return new ErrorResponse(500, e1.getMessage());
    }
    HttpUriRequest httpRequest = new HttpPost(uri);
    if (contentType != null)
        httpRequest.setHeader("Content-Type", contentType);
    if (accept != null)
        httpRequest.setHeader("Accept", accept);
    if (authorization != null)
        httpRequest.setHeader("Authorization", authorization);
    if (body != null)
        ((HttpPost) httpRequest).setEntity(body);
    logger.debug("Request: " + httpRequest);
    // HTTP request execution
    CloseableHttpClient httpclient;
    try {
        httpclient = new SSLSecurityManager("TLSv1", "sepa.jks", "sepa2017", "sepa2017").getSSLHttpClient();
    } catch (KeyManagementException | UnrecoverableKeyException | NoSuchAlgorithmException | KeyStoreException | CertificateException | IOException e) {
        return new ErrorResponse(500, e.getMessage());
    }
    CloseableHttpResponse response = null;
    String jsonResponse = null;
    try {
        long timing = System.nanoTime();
        try {
            response = httpclient.execute(httpRequest);
        } catch (IOException e) {
            return new ErrorResponse(500, e.getMessage());
        }
        timing = System.nanoTime() - timing;
        logger.debug("Response: " + response);
        if (op.equals(SPARQL11SEPrimitive.REGISTER))
            logger.debug("REGISTER " + timing / 1000000 + " ms");
        else if (op.equals(SPARQL11SEPrimitive.REQUESTTOKEN))
            logger.debug("TOKEN " + timing / 1000000 + " ms");
        else if (op.equals(SPARQL11SEPrimitive.SECUREQUERY))
            logger.debug("SECURE_QUERY " + timing / 1000000 + " ms");
        else if (op.equals(SPARQL11SEPrimitive.SECUREUPDATE))
            logger.debug("SECURE_UPDATE " + timing / 1000000 + " ms");
        HttpEntity entity = response.getEntity();
        try {
            jsonResponse = EntityUtils.toString(entity, Charset.forName("UTF-8"));
        } catch (ParseException | IOException e) {
            return new ErrorResponse(500, e.getMessage());
        }
        try {
            EntityUtils.consume(entity);
        } catch (IOException e) {
            return new ErrorResponse(500, e.getMessage());
        }
    } finally {
        try {
            response.close();
        } catch (IOException e) {
            return new ErrorResponse(500, e.getMessage());
        }
    }
    // Parsing the response
    try {
        return parseSPARQL11SEResponse(jsonResponse, op);
    } catch (InvalidKeyException | NoSuchAlgorithmException | NoSuchPaddingException | IllegalBlockSizeException | BadPaddingException e) {
        return new ErrorResponse(500, e.getMessage());
    }
}