import org.onap.dmaap.datarouter.provisioning.utils.DB;
import org.onap.dmaap.datarouter.provisioning.utils.URLUtilities;
+import static org.onap.dmaap.datarouter.provisioning.utils.HttpServletUtils.sendResponseError;
+
/**
* This class is the base class for those servlets that need to proxy their requests from the standby to active server.
* Its methods perform the proxy function to the active server. If the active server is not reachable, a 503
Properties props = (new DB()).getProperties();
String type = props.getProperty(Main.KEYSTORE_TYPE_PROPERTY, "jks");
String store = props.getProperty(Main.KEYSTORE_PATH_PROPERTY);
- String pass = props.getProperty(Main.KEYSTORE_PASSWORD_PROPERTY);
+ String pass = props.getProperty(Main.KEYSTORE_PASS_PROPERTY);
KeyStore keyStore = readStore(store, pass, type);
store = props.getProperty(Main.TRUSTSTORE_PATH_PROPERTY);
- pass = props.getProperty(Main.TRUSTSTORE_PASSWORD_PROPERTY);
+ pass = props.getProperty(Main.TRUSTSTORE_PASS_PROPERTY);
if (store == null || store.length() == 0) {
store = Main.DEFAULT_TRUSTSTORE;
pass = "changeit";
// We are connecting with the node name, but the certificate will have the CNAME
// So we need to accept a non-matching certificate name
SSLSocketFactory socketFactory = new SSLSocketFactory(keyStore,
- props.getProperty(Main.KEYSTORE_PASSWORD_PROPERTY), trustStore);
+ props.getProperty(Main.KEYSTORE_PASS_PROPERTY), trustStore);
socketFactory.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
sch = new Scheme("https", 443, socketFactory);
inited = true;
} catch (Exception e) {
- e.printStackTrace();
+ intlogger.error("ProxyServlet.init: " + e.getMessage(), e);
}
intlogger.info("ProxyServlet: inited = " + inited);
}
try (FileInputStream instream = new FileInputStream(new File(store))) {
ks.load(instream, pass.toCharArray());
} catch (FileNotFoundException fileNotFoundException) {
- intlogger.error("ProxyServlet: " + fileNotFoundException.getMessage());
+ intlogger.error("ProxyServlet.readStore: " + fileNotFoundException.getMessage(), fileNotFoundException);
} catch (Exception x) {
- System.err.println("READING TRUSTSTORE: " + x);
+ intlogger.error("READING TRUSTSTORE: " + x);
}
return ks;
}
if (t != null) {
t = t.replaceAll("&", "&");
for (String s : t.split("&")) {
- if (s.equals("noproxy") || s.startsWith("noproxy=")) {
+ if ("noproxy".equals(s) || s.startsWith("noproxy=")) {
return false;
}
}
* Issue a proxy DELETE to the active provisioning server.
*/
@Override
- public void doDelete(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+ public void doDelete(HttpServletRequest req, HttpServletResponse resp) {
doProxy(req, resp, "DELETE");
}
* Issue a proxy GET to the active provisioning server.
*/
@Override
- public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+ public void doGet(HttpServletRequest req, HttpServletResponse resp) {
doProxy(req, resp, "GET");
}
* Issue a proxy PUT to the active provisioning server.
*/
@Override
- public void doPut(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+ public void doPut(HttpServletRequest req, HttpServletResponse resp) {
doProxy(req, resp, "PUT");
}
* Issue a proxy POST to the active provisioning server.
*/
@Override
- public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+ public void doPost(HttpServletRequest req, HttpServletResponse resp) {
doProxy(req, resp, "POST");
}
*
* @return true if the proxy succeeded
*/
- public boolean doGetWithFallback(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+ public boolean doGetWithFallback(HttpServletRequest req, HttpServletResponse resp) {
boolean rv = false;
if (inited) {
String url = buildUrl(req);
copyRequestHeaders(req, proxy);
// Execute the request
- HttpResponse pxy_response = httpclient.execute(proxy);
+ HttpResponse pxyResponse = httpclient.execute(proxy);
// Get response headers and body
- int code = pxy_response.getStatusLine().getStatusCode();
+ int code = pxyResponse.getStatusLine().getStatusCode();
resp.setStatus(code);
- copyResponseHeaders(pxy_response, resp);
-
- HttpEntity entity = pxy_response.getEntity();
- if (entity != null) {
- InputStream in = entity.getContent();
- IOUtils.copy(in, resp.getOutputStream());
- in.close();
- }
+ copyResponseHeaders(pxyResponse, resp);
+ copyEntityContent(pxyResponse, resp);
rv = true;
} catch (IOException e) {
- System.err.println("ProxyServlet: " + e);
- e.printStackTrace();
+ intlogger.error("ProxyServlet.doGetWithFallback: " + e.getMessage(), e);
} finally {
proxy.releaseConnection();
httpclient.getConnectionManager().shutdown();
return rv;
}
- private void doProxy(HttpServletRequest req, HttpServletResponse resp, final String method) throws IOException {
+ private void doProxy(HttpServletRequest req, HttpServletResponse resp, final String method) {
if (inited && isProxyServer()) {
String url = buildUrl(req);
intlogger.info("ProxyServlet: proxying " + method + " " + url);
// Copy request headers and request body
copyRequestHeaders(req, proxy);
- if (method.equals("POST") || method.equals("PUT")) {
+ if ("POST".equals(method) || "PUT".equals(method)) {
BasicHttpEntity body = new BasicHttpEntity();
body.setContent(req.getInputStream());
body.setContentLength(-1); // -1 = unknown
}
// Execute the request
- HttpResponse pxy_response = httpclient.execute(proxy);
+ HttpResponse pxyResponse = httpclient.execute(proxy);
// Get response headers and body
- int code = pxy_response.getStatusLine().getStatusCode();
+ int code = pxyResponse.getStatusLine().getStatusCode();
resp.setStatus(code);
- copyResponseHeaders(pxy_response, resp);
-
- HttpEntity entity = pxy_response.getEntity();
- if (entity != null) {
- InputStream in = entity.getContent();
- IOUtils.copy(in, resp.getOutputStream());
- in.close();
- }
+ copyResponseHeaders(pxyResponse, resp);
+ copyEntityContent(pxyResponse, resp);
} catch (IOException e) {
- intlogger.warn("ProxyServlet: " + e);
- resp.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
- e.printStackTrace();
+ intlogger.warn("ProxyServlet.doProxy: " + e.getMessage(), e);
+ sendResponseError(resp, HttpServletResponse.SC_SERVICE_UNAVAILABLE, "", intlogger);
} finally {
proxy.releaseConnection();
httpclient.getConnectionManager().shutdown();
}
} else {
intlogger.warn("ProxyServlet: proxy disabled");
- resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
+ sendResponseError(resp, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG, intlogger);
}
}
List<String> list = Collections.list(from.getHeaderNames());
for (String name : list) {
// Proxy code will add this one
- if (!name.equalsIgnoreCase("Content-Length")) {
+ if (!"Content-Length".equalsIgnoreCase(name)) {
to.addHeader(name, from.getHeader(name));
}
}
private void copyResponseHeaders(HttpResponse from, HttpServletResponse to) {
for (Header hdr : from.getAllHeaders()) {
// Don't copy Date: our Jetty will add another Date header
- if (!hdr.getName().equals("Date")) {
+ if (!"Date".equals(hdr.getName())) {
to.addHeader(hdr.getName(), hdr.getValue());
}
}
}
+ private void copyEntityContent(HttpResponse pxyResponse, HttpServletResponse resp) {
+ HttpEntity entity = pxyResponse.getEntity();
+ if (entity != null) {
+ try (InputStream in = entity.getContent()) {
+ IOUtils.copy(in, resp.getOutputStream());
+ } catch (Exception e) {
+ intlogger.error("ProxyServlet.copyEntityContent: " + e.getMessage(), e);
+ }
+ }
+ }
+
public class ProxyHttpRequest extends HttpEntityEnclosingRequestBase {
private final String method;