Merge branch 'master' of ssh://git.eclipse.org/gitroot/jetty/org.eclipse.jetty.project

This commit is contained in:
Greg Wilkins 2011-10-19 23:34:47 +11:00
commit b0a9ec30f9
2 changed files with 436 additions and 59 deletions

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@ -32,7 +32,7 @@ import org.eclipse.jetty.util.log.Logger;
/**
* <p>Implementation of the
* <a href="http://dev.w3.org/2006/waf/access-control/">cross-origin resource sharing</a>.</p>
* <a href="http://www.w3.org/TR/cors/">cross-origin resource sharing</a>.</p>
* <p>A typical example is to use this filter to allow cross-domain
* <a href="http://cometd.org">cometd</a> communication using the standard
* long polling transport instead of the JSONP transport (that is less
@ -74,38 +74,39 @@ import org.eclipse.jetty.util.log.Logger;
*/
public class CrossOriginFilter implements Filter
{
private static final Logger LOG = Log.getLogger(CrossOriginFilter.class);
private static final Logger logger = Log.getLogger(CrossOriginFilter.class);
// Request headers
private static final String ORIGIN_HEADER = "Origin";
private static final String ACCESS_CONTROL_REQUEST_METHOD_HEADER = "Access-Control-Request-Method";
private static final String ACCESS_CONTROL_REQUEST_HEADERS_HEADER = "Access-Control-Request-Headers";
public static final String ACCESS_CONTROL_REQUEST_METHOD_HEADER = "Access-Control-Request-Method";
public static final String ACCESS_CONTROL_REQUEST_HEADERS_HEADER = "Access-Control-Request-Headers";
// Response headers
private static final String ACCESS_CONTROL_ALLOW_ORIGIN_HEADER = "Access-Control-Allow-Origin";
private static final String ACCESS_CONTROL_ALLOW_METHODS_HEADER = "Access-Control-Allow-Methods";
private static final String ACCESS_CONTROL_ALLOW_HEADERS_HEADER = "Access-Control-Allow-Headers";
private static final String ACCESS_CONTROL_MAX_AGE_HEADER = "Access-Control-Max-Age";
private static final String ACCESS_CONTROL_ALLOW_CREDENTIALS_HEADER = "Access-Control-Allow-Credentials";
public static final String ACCESS_CONTROL_ALLOW_ORIGIN_HEADER = "Access-Control-Allow-Origin";
public static final String ACCESS_CONTROL_ALLOW_METHODS_HEADER = "Access-Control-Allow-Methods";
public static final String ACCESS_CONTROL_ALLOW_HEADERS_HEADER = "Access-Control-Allow-Headers";
public static final String ACCESS_CONTROL_MAX_AGE_HEADER = "Access-Control-Max-Age";
public static final String ACCESS_CONTROL_ALLOW_CREDENTIALS_HEADER = "Access-Control-Allow-Credentials";
// Implementation constants
private static final String ALLOWED_ORIGINS_PARAM = "allowedOrigins";
private static final String ALLOWED_METHODS_PARAM = "allowedMethods";
private static final String ALLOWED_HEADERS_PARAM = "allowedHeaders";
private static final String PREFLIGHT_MAX_AGE_PARAM = "preflightMaxAge";
private static final String ALLOWED_CREDENTIALS_PARAM = "allowCredentials";
public static final String ALLOWED_ORIGINS_PARAM = "allowedOrigins";
public static final String ALLOWED_METHODS_PARAM = "allowedMethods";
public static final String ALLOWED_HEADERS_PARAM = "allowedHeaders";
public static final String PREFLIGHT_MAX_AGE_PARAM = "preflightMaxAge";
public static final String ALLOW_CREDENTIALS_PARAM = "allowCredentials";
private static final String ANY_ORIGIN = "*";
private static final List<String> SIMPLE_HTTP_METHODS = Arrays.asList("GET", "POST", "HEAD");
private boolean anyOriginAllowed = false;
private boolean anyOriginAllowed;
private List<String> allowedOrigins = new ArrayList<String>();
private List<String> allowedMethods = new ArrayList<String>();
private List<String> allowedHeaders = new ArrayList<String>();
private int preflightMaxAge = 0;
private boolean allowCredentials = true;
private boolean allowCredentials;
public void init(FilterConfig config) throws ServletException
{
String allowedOriginsConfig = config.getInitParameter(ALLOWED_ORIGINS_PARAM);
if (allowedOriginsConfig == null) allowedOriginsConfig = "*";
if (allowedOriginsConfig == null)
allowedOriginsConfig = "*";
String[] allowedOrigins = allowedOriginsConfig.split(",");
for (String allowedOrigin : allowedOrigins)
{
@ -126,34 +127,38 @@ public class CrossOriginFilter implements Filter
}
String allowedMethodsConfig = config.getInitParameter(ALLOWED_METHODS_PARAM);
if (allowedMethodsConfig == null) allowedMethodsConfig = "GET,POST";
if (allowedMethodsConfig == null)
allowedMethodsConfig = "GET,POST,HEAD";
allowedMethods.addAll(Arrays.asList(allowedMethodsConfig.split(",")));
String allowedHeadersConfig = config.getInitParameter(ALLOWED_HEADERS_PARAM);
if (allowedHeadersConfig == null) allowedHeadersConfig = "X-Requested-With,Content-Type,Accept,Origin";
if (allowedHeadersConfig == null)
allowedHeadersConfig = "X-Requested-With,Content-Type,Accept,Origin";
allowedHeaders.addAll(Arrays.asList(allowedHeadersConfig.split(",")));
String preflightMaxAgeConfig = config.getInitParameter(PREFLIGHT_MAX_AGE_PARAM);
if (preflightMaxAgeConfig == null) preflightMaxAgeConfig = "1800"; // Default is 30 minutes
if (preflightMaxAgeConfig == null)
preflightMaxAgeConfig = "1800"; // Default is 30 minutes
try
{
preflightMaxAge = Integer.parseInt(preflightMaxAgeConfig);
}
catch (NumberFormatException x)
{
LOG.info("Cross-origin filter, could not parse '{}' parameter as integer: {}", PREFLIGHT_MAX_AGE_PARAM, preflightMaxAgeConfig);
logger.info("Cross-origin filter, could not parse '{}' parameter as integer: {}", PREFLIGHT_MAX_AGE_PARAM, preflightMaxAgeConfig);
}
String allowedCredentialsConfig = config.getInitParameter(ALLOWED_CREDENTIALS_PARAM);
if (allowedCredentialsConfig == null) allowedCredentialsConfig = "false";
String allowedCredentialsConfig = config.getInitParameter(ALLOW_CREDENTIALS_PARAM);
if (allowedCredentialsConfig == null)
allowedCredentialsConfig = "true";
allowCredentials = Boolean.parseBoolean(allowedCredentialsConfig);
LOG.debug("Cross-origin filter configuration: " +
logger.debug("Cross-origin filter configuration: " +
ALLOWED_ORIGINS_PARAM + " = " + allowedOriginsConfig + ", " +
ALLOWED_METHODS_PARAM + " = " + allowedMethodsConfig + ", " +
ALLOWED_HEADERS_PARAM + " = " + allowedHeadersConfig + ", " +
PREFLIGHT_MAX_AGE_PARAM + " = " + preflightMaxAgeConfig + ", " +
ALLOWED_CREDENTIALS_PARAM + " = " + allowedCredentialsConfig);
ALLOW_CREDENTIALS_PARAM + " = " + allowedCredentialsConfig);
}
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException
@ -171,18 +176,23 @@ public class CrossOriginFilter implements Filter
{
if (isSimpleRequest(request))
{
LOG.debug("Cross-origin request to {} is a simple cross-origin request", request.getRequestURI());
logger.debug("Cross-origin request to {} is a simple cross-origin request", request.getRequestURI());
handleSimpleResponse(request, response, origin);
}
else
else if (isPreflightRequest(request))
{
LOG.debug("Cross-origin request to {} is a preflight cross-origin request", request.getRequestURI());
logger.debug("Cross-origin request to {} is a preflight cross-origin request", request.getRequestURI());
handlePreflightResponse(request, response, origin);
}
else
{
logger.debug("Cross-origin request to {} is a non-simple cross-origin request", request.getRequestURI());
handleSimpleResponse(request, response, origin);
}
}
else
{
LOG.debug("Cross-origin request to " + request.getRequestURI() + " with origin " + origin + " does not match allowed origins " + allowedOrigins);
logger.debug("Cross-origin request to " + request.getRequestURI() + " with origin " + origin + " does not match allowed origins " + allowedOrigins);
}
}
@ -201,23 +211,42 @@ public class CrossOriginFilter implements Filter
return true;
}
private boolean originMatches(String origin)
private boolean originMatches(String originList)
{
if (anyOriginAllowed) return true;
if (anyOriginAllowed)
return true;
if (originList.trim().length() == 0)
return false;
String[] origins = originList.split(" ");
for (String origin : origins)
{
if (origin.trim().length() == 0)
continue;
boolean allowed = false;
for (String allowedOrigin : allowedOrigins)
{
if (allowedOrigin.equals(origin)) return true;
if (allowedOrigin.equals(origin))
{
allowed = true;
break;
}
}
if (!allowed)
return false;
}
return true;
}
private boolean isSimpleRequest(HttpServletRequest request)
{
String method = request.getMethod();
if (SIMPLE_HTTP_METHODS.contains(method))
{
// TODO: implement better section 6.1
// Section 6.1 says that for a request to be simple, custom request headers must be simple.
// TODO: implement better detection of simple headers
// The specification says that for a request to be simple, custom request headers must be simple.
// Here for simplicity I just check if there is a Access-Control-Request-Method header,
// which is required for preflight requests
return request.getHeader(ACCESS_CONTROL_REQUEST_METHOD_HEADER) == null;
@ -225,50 +254,55 @@ public class CrossOriginFilter implements Filter
return false;
}
private boolean isPreflightRequest(HttpServletRequest request)
{
String method = request.getMethod();
if (!"OPTIONS".equalsIgnoreCase(method))
return false;
if (request.getHeader(ACCESS_CONTROL_REQUEST_METHOD_HEADER) == null)
return false;
return true;
}
private void handleSimpleResponse(HttpServletRequest request, HttpServletResponse response, String origin)
{
response.setHeader(ACCESS_CONTROL_ALLOW_ORIGIN_HEADER, origin);
if (allowCredentials) response.setHeader(ACCESS_CONTROL_ALLOW_CREDENTIALS_HEADER, "true");
if (allowCredentials)
response.setHeader(ACCESS_CONTROL_ALLOW_CREDENTIALS_HEADER, "true");
}
private void handlePreflightResponse(HttpServletRequest request, HttpServletResponse response, String origin)
{
// Implementation of section 5.2
// 5.2.3 and 5.2.5
boolean methodAllowed = isMethodAllowed(request);
if (!methodAllowed) return;
// 5.2.4 and 5.2.6
if (!methodAllowed)
return;
boolean headersAllowed = areHeadersAllowed(request);
if (!headersAllowed) return;
// 5.2.7
if (!headersAllowed)
return;
response.setHeader(ACCESS_CONTROL_ALLOW_ORIGIN_HEADER, origin);
if (allowCredentials) response.setHeader(ACCESS_CONTROL_ALLOW_CREDENTIALS_HEADER, "true");
// 5.2.8
if (preflightMaxAge > 0) response.setHeader(ACCESS_CONTROL_MAX_AGE_HEADER, String.valueOf(preflightMaxAge));
// 5.2.9
if (allowCredentials)
response.setHeader(ACCESS_CONTROL_ALLOW_CREDENTIALS_HEADER, "true");
if (preflightMaxAge > 0)
response.setHeader(ACCESS_CONTROL_MAX_AGE_HEADER, String.valueOf(preflightMaxAge));
response.setHeader(ACCESS_CONTROL_ALLOW_METHODS_HEADER, commify(allowedMethods));
// 5.2.10
response.setHeader(ACCESS_CONTROL_ALLOW_HEADERS_HEADER, commify(allowedHeaders));
}
private boolean isMethodAllowed(HttpServletRequest request)
{
String accessControlRequestMethod = request.getHeader(ACCESS_CONTROL_REQUEST_METHOD_HEADER);
LOG.debug("{} is {}", ACCESS_CONTROL_REQUEST_METHOD_HEADER, accessControlRequestMethod);
logger.debug("{} is {}", ACCESS_CONTROL_REQUEST_METHOD_HEADER, accessControlRequestMethod);
boolean result = false;
if (accessControlRequestMethod != null)
{
result = allowedMethods.contains(accessControlRequestMethod);
}
LOG.debug("Method {} is" + (result ? "" : " not") + " among allowed methods {}", accessControlRequestMethod, allowedMethods);
logger.debug("Method {} is" + (result ? "" : " not") + " among allowed methods {}", accessControlRequestMethod, allowedMethods);
return result;
}
private boolean areHeadersAllowed(HttpServletRequest request)
{
String accessControlRequestHeaders = request.getHeader(ACCESS_CONTROL_REQUEST_HEADERS_HEADER);
LOG.debug("{} is {}", ACCESS_CONTROL_REQUEST_HEADERS_HEADER, accessControlRequestHeaders);
logger.debug("{} is {}", ACCESS_CONTROL_REQUEST_HEADERS_HEADER, accessControlRequestHeaders);
boolean result = true;
if (accessControlRequestHeaders != null)
{
@ -291,7 +325,7 @@ public class CrossOriginFilter implements Filter
}
}
}
LOG.debug("Headers [{}] are" + (result ? "" : " not") + " among allowed headers {}", accessControlRequestHeaders, allowedHeaders);
logger.debug("Headers [{}] are" + (result ? "" : " not") + " among allowed headers {}", accessControlRequestHeaders, allowedHeaders);
return result;
}

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@ -0,0 +1,343 @@
package org.eclipse.jetty.servlets;
import java.io.IOException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.eclipse.jetty.servlet.FilterHolder;
import org.eclipse.jetty.servlet.FilterMapping;
import org.eclipse.jetty.servlet.ServletHolder;
import org.eclipse.jetty.testing.ServletTester;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
public class CrossOriginFilterTest
{
private ServletTester tester;
@Before
public void init() throws Exception
{
tester = new ServletTester();
tester.start();
}
@After
public void destroy() throws Exception
{
if (tester != null)
tester.stop();
}
@Test
public void testRequestWithNoOriginArrivesToApplication() throws Exception
{
tester.getContext().addFilter(CrossOriginFilter.class, "/*", FilterMapping.DEFAULT);
final CountDownLatch latch = new CountDownLatch(1);
tester.getContext().addServlet(new ServletHolder(new ResourceServlet(latch)), "/*");
String request = "" +
"GET / HTTP/1.1\r\n" +
"Host: localhost\r\n" +
"\r\n";
String response = tester.getResponses(request);
Assert.assertTrue(response.contains("HTTP/1.1 200"));
Assert.assertTrue(latch.await(1, TimeUnit.SECONDS));
}
@Test
public void testSimpleRequestWithNonMatchingOrigin() throws Exception
{
FilterHolder filterHolder = new FilterHolder(new CrossOriginFilter());
String origin = "http://localhost";
filterHolder.setInitParameter(CrossOriginFilter.ALLOWED_ORIGINS_PARAM, origin);
tester.getContext().addFilter(filterHolder, "/*", FilterMapping.DEFAULT);
CountDownLatch latch = new CountDownLatch(1);
tester.getContext().addServlet(new ServletHolder(new ResourceServlet(latch)), "/*");
String otherOrigin = origin.replace("localhost", "127.0.0.1");
String request = "" +
"GET / HTTP/1.1\r\n" +
"Host: localhost\r\n" +
"Origin: " + otherOrigin + "\r\n" +
"\r\n";
String response = tester.getResponses(request);
Assert.assertTrue(response.contains("HTTP/1.1 200"));
Assert.assertFalse(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_ORIGIN_HEADER));
Assert.assertFalse(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_CREDENTIALS_HEADER));
Assert.assertTrue(latch.await(1, TimeUnit.SECONDS));
}
@Test
public void testSimpleRequestWithMatchingOrigin() throws Exception
{
FilterHolder filterHolder = new FilterHolder(new CrossOriginFilter());
String origin = "http://localhost";
filterHolder.setInitParameter(CrossOriginFilter.ALLOWED_ORIGINS_PARAM, origin);
tester.getContext().addFilter(filterHolder, "/*", FilterMapping.DEFAULT);
CountDownLatch latch = new CountDownLatch(1);
tester.getContext().addServlet(new ServletHolder(new ResourceServlet(latch)), "/*");
String request = "" +
"GET / HTTP/1.1\r\n" +
"Host: localhost\r\n" +
"Origin: " + origin + "\r\n" +
"\r\n";
String response = tester.getResponses(request);
Assert.assertTrue(response.contains("HTTP/1.1 200"));
Assert.assertTrue(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_ORIGIN_HEADER));
Assert.assertTrue(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_CREDENTIALS_HEADER));
Assert.assertTrue(latch.await(1, TimeUnit.SECONDS));
}
@Test
public void testSimpleRequestWithMatchingMultipleOrigins() throws Exception
{
FilterHolder filterHolder = new FilterHolder(new CrossOriginFilter());
String origin = "http://localhost";
String otherOrigin = origin.replace("localhost", "127.0.0.1");
filterHolder.setInitParameter(CrossOriginFilter.ALLOWED_ORIGINS_PARAM, origin + "," + otherOrigin);
tester.getContext().addFilter(filterHolder, "/*", FilterMapping.DEFAULT);
CountDownLatch latch = new CountDownLatch(1);
tester.getContext().addServlet(new ServletHolder(new ResourceServlet(latch)), "/*");
String request = "" +
"GET / HTTP/1.1\r\n" +
"Host: localhost\r\n" +
// Use 2 spaces as separator to test that the implementation does not fail
"Origin: " + otherOrigin + " " + " " + origin + "\r\n" +
"\r\n";
String response = tester.getResponses(request);
Assert.assertTrue(response.contains("HTTP/1.1 200"));
Assert.assertTrue(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_ORIGIN_HEADER));
Assert.assertTrue(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_CREDENTIALS_HEADER));
Assert.assertTrue(latch.await(1, TimeUnit.SECONDS));
}
@Test
public void testSimpleRequestWithoutCredentials() throws Exception
{
FilterHolder filterHolder = new FilterHolder(new CrossOriginFilter());
filterHolder.setInitParameter(CrossOriginFilter.ALLOW_CREDENTIALS_PARAM, "false");
tester.getContext().addFilter(filterHolder, "/*", FilterMapping.DEFAULT);
CountDownLatch latch = new CountDownLatch(1);
tester.getContext().addServlet(new ServletHolder(new ResourceServlet(latch)), "/*");
String request = "" +
"GET / HTTP/1.1\r\n" +
"Host: localhost\r\n" +
"Origin: http://localhost\r\n" +
"\r\n";
String response = tester.getResponses(request);
Assert.assertTrue(response.contains("HTTP/1.1 200"));
Assert.assertTrue(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_ORIGIN_HEADER));
Assert.assertFalse(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_CREDENTIALS_HEADER));
Assert.assertTrue(latch.await(1, TimeUnit.SECONDS));
}
@Test
public void testNonSimpleRequestWithoutPreflight() throws Exception
{
// We cannot know if an actual request has performed the preflight before:
// we'll trust browsers to do it right, so responses to actual requests
// will contain the CORS response headers.
FilterHolder filterHolder = new FilterHolder(new CrossOriginFilter());
tester.getContext().addFilter(filterHolder, "/*", FilterMapping.DEFAULT);
CountDownLatch latch = new CountDownLatch(1);
tester.getContext().addServlet(new ServletHolder(new ResourceServlet(latch)), "/*");
String request = "" +
"PUT / HTTP/1.1\r\n" +
"Host: localhost\r\n" +
"Origin: http://localhost\r\n" +
"\r\n";
String response = tester.getResponses(request);
Assert.assertTrue(response.contains("HTTP/1.1 200"));
Assert.assertTrue(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_ORIGIN_HEADER));
Assert.assertTrue(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_CREDENTIALS_HEADER));
Assert.assertTrue(latch.await(1, TimeUnit.SECONDS));
}
@Test
public void testOptionsRequestButNotPreflight() throws Exception
{
// We cannot know if an actual request has performed the preflight before:
// we'll trust browsers to do it right, so responses to actual requests
// will contain the CORS response headers.
FilterHolder filterHolder = new FilterHolder(new CrossOriginFilter());
tester.getContext().addFilter(filterHolder, "/*", FilterMapping.DEFAULT);
CountDownLatch latch = new CountDownLatch(1);
tester.getContext().addServlet(new ServletHolder(new ResourceServlet(latch)), "/*");
String request = "" +
"OPTIONS / HTTP/1.1\r\n" +
"Host: localhost\r\n" +
"Origin: http://localhost\r\n" +
"\r\n";
String response = tester.getResponses(request);
Assert.assertTrue(response.contains("HTTP/1.1 200"));
Assert.assertTrue(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_ORIGIN_HEADER));
Assert.assertTrue(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_CREDENTIALS_HEADER));
Assert.assertTrue(latch.await(1, TimeUnit.SECONDS));
}
@Test
public void testPUTRequestWithPreflight() throws Exception
{
FilterHolder filterHolder = new FilterHolder(new CrossOriginFilter());
filterHolder.setInitParameter(CrossOriginFilter.ALLOWED_METHODS_PARAM, "PUT");
tester.getContext().addFilter(filterHolder, "/*", FilterMapping.DEFAULT);
CountDownLatch latch = new CountDownLatch(1);
tester.getContext().addServlet(new ServletHolder(new ResourceServlet(latch)), "/*");
// Preflight request
String request = "" +
"OPTIONS / HTTP/1.1\r\n" +
"Host: localhost\r\n" +
CrossOriginFilter.ACCESS_CONTROL_REQUEST_METHOD_HEADER + ": PUT\r\n" +
"Origin: http://localhost\r\n" +
"\r\n";
String response = tester.getResponses(request);
Assert.assertTrue(response.contains("HTTP/1.1 200"));
Assert.assertTrue(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_ORIGIN_HEADER));
Assert.assertTrue(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_CREDENTIALS_HEADER));
Assert.assertTrue(response.contains(CrossOriginFilter.ACCESS_CONTROL_MAX_AGE_HEADER));
Assert.assertTrue(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_METHODS_HEADER));
Assert.assertTrue(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_HEADERS_HEADER));
Assert.assertTrue(latch.await(1, TimeUnit.SECONDS));
// Preflight request was ok, now make the actual request
request = "" +
"PUT / HTTP/1.1\r\n" +
"Host: localhost\r\n" +
"Origin: http://localhost\r\n" +
"\r\n";
response = tester.getResponses(request);
Assert.assertTrue(response.contains("HTTP/1.1 200"));
Assert.assertTrue(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_ORIGIN_HEADER));
Assert.assertTrue(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_CREDENTIALS_HEADER));
}
@Test
public void testDELETERequestWithPreflightAndAllowedCustomHeaders() throws Exception
{
FilterHolder filterHolder = new FilterHolder(new CrossOriginFilter());
filterHolder.setInitParameter(CrossOriginFilter.ALLOWED_METHODS_PARAM, "GET,HEAD,POST,PUT,DELETE");
filterHolder.setInitParameter(CrossOriginFilter.ALLOWED_HEADERS_PARAM, "X-Requested-With,Content-Type,Accept,Origin,X-Custom");
tester.getContext().addFilter(filterHolder, "/*", FilterMapping.DEFAULT);
CountDownLatch latch = new CountDownLatch(1);
tester.getContext().addServlet(new ServletHolder(new ResourceServlet(latch)), "/*");
// Preflight request
String request = "" +
"OPTIONS / HTTP/1.1\r\n" +
"Host: localhost\r\n" +
CrossOriginFilter.ACCESS_CONTROL_REQUEST_METHOD_HEADER + ": DELETE\r\n" +
CrossOriginFilter.ACCESS_CONTROL_REQUEST_HEADERS_HEADER + ": origin,x-custom,x-requested-with\r\n" +
"Origin: http://localhost\r\n" +
"\r\n";
String response = tester.getResponses(request);
Assert.assertTrue(response.contains("HTTP/1.1 200"));
Assert.assertTrue(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_ORIGIN_HEADER));
Assert.assertTrue(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_CREDENTIALS_HEADER));
Assert.assertTrue(response.contains(CrossOriginFilter.ACCESS_CONTROL_MAX_AGE_HEADER));
Assert.assertTrue(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_METHODS_HEADER));
Assert.assertTrue(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_HEADERS_HEADER));
Assert.assertTrue(latch.await(1, TimeUnit.SECONDS));
// Preflight request was ok, now make the actual request
request = "" +
"DELETE / HTTP/1.1\r\n" +
"Host: localhost\r\n" +
"X-Custom: value\r\n" +
"X-Requested-With: local\r\n" +
"Origin: http://localhost\r\n" +
"\r\n";
response = tester.getResponses(request);
Assert.assertTrue(response.contains("HTTP/1.1 200"));
Assert.assertTrue(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_ORIGIN_HEADER));
Assert.assertTrue(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_CREDENTIALS_HEADER));
}
@Test
public void testDELETERequestWithPreflightAndNotAllowedCustomHeaders() throws Exception
{
FilterHolder filterHolder = new FilterHolder(new CrossOriginFilter());
filterHolder.setInitParameter(CrossOriginFilter.ALLOWED_METHODS_PARAM, "GET,HEAD,POST,PUT,DELETE");
tester.getContext().addFilter(filterHolder, "/*", FilterMapping.DEFAULT);
CountDownLatch latch = new CountDownLatch(1);
tester.getContext().addServlet(new ServletHolder(new ResourceServlet(latch)), "/*");
// Preflight request
String request = "" +
"OPTIONS / HTTP/1.1\r\n" +
"Host: localhost\r\n" +
CrossOriginFilter.ACCESS_CONTROL_REQUEST_METHOD_HEADER + ": DELETE\r\n" +
CrossOriginFilter.ACCESS_CONTROL_REQUEST_HEADERS_HEADER + ": origin,x-custom,x-requested-with\r\n" +
"Origin: http://localhost\r\n" +
"\r\n";
String response = tester.getResponses(request);
Assert.assertTrue(response.contains("HTTP/1.1 200"));
Assert.assertFalse(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_ORIGIN_HEADER));
Assert.assertFalse(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_CREDENTIALS_HEADER));
Assert.assertTrue(latch.await(1, TimeUnit.SECONDS));
// The preflight request failed because header X-Custom is not allowed, actual request not issued
}
@Test
public void testCrossOriginFilterDisabledForWebSocketUpgrade() throws Exception
{
FilterHolder filterHolder = new FilterHolder(new CrossOriginFilter());
tester.getContext().addFilter(filterHolder, "/*", FilterMapping.DEFAULT);
CountDownLatch latch = new CountDownLatch(1);
tester.getContext().addServlet(new ServletHolder(new ResourceServlet(latch)), "/*");
String request = "" +
"GET / HTTP/1.1\r\n" +
"Host: localhost\r\n" +
"Connection: Upgrade\r\n" +
"Upgrade: WebSocket\r\n" +
"Origin: http://localhost\r\n" +
"\r\n";
String response = tester.getResponses(request);
Assert.assertTrue(response.contains("HTTP/1.1 200"));
Assert.assertFalse(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_ORIGIN_HEADER));
Assert.assertFalse(response.contains(CrossOriginFilter.ACCESS_CONTROL_ALLOW_CREDENTIALS_HEADER));
Assert.assertTrue(latch.await(1, TimeUnit.SECONDS));
}
public static class ResourceServlet extends HttpServlet
{
private final CountDownLatch latch;
public ResourceServlet(CountDownLatch latch)
{
this.latch = latch;
}
@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException
{
latch.countDown();
}
}
}