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markt pushed a commit to branch main
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The following commit(s) were added to refs/heads/main by this push:
new 1692b97445 Error dispatch must now always use GET
1692b97445 is described below
commit 1692b97445506db6599824c6509b7f59e9bf81e1
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Thu Nov 23 16:25:02 2023 +0000
Error dispatch must now always use GET
---
java/jakarta/servlet/RequestDispatcher.java | 8 ++
java/jakarta/servlet/jsp/ErrorData.java | 19 ++-
java/jakarta/servlet/jsp/PageContext.java | 1 +
.../catalina/core/ApplicationDispatcher.java | 14 +++
.../catalina/core/ApplicationHttpRequest.java | 22 ++++
.../apache/catalina/core/StandardHostValve.java | 2 +
.../org/apache/jasper/runtime/PageContextImpl.java | 1 +
.../catalina/core/TestApplicationDispatcher.java | 133 +++++++++++++++++++++
test/webapp/dispatch/error.jsp | 23 ++++
test/webapp/dispatch/trigger-with-error-page.jsp | 20 ++++
.../webapp/dispatch/trigger-without-error-page.jsp | 19 +++
webapps/docs/changelog.xml | 5 +
12 files changed, 264 insertions(+), 3 deletions(-)
diff --git a/java/jakarta/servlet/RequestDispatcher.java
b/java/jakarta/servlet/RequestDispatcher.java
index bfcdfdd981..c378d9e32a 100644
--- a/java/jakarta/servlet/RequestDispatcher.java
+++ b/java/jakarta/servlet/RequestDispatcher.java
@@ -185,6 +185,14 @@ public interface RequestDispatcher {
*/
String ERROR_MESSAGE = "jakarta.servlet.error.message";
+ /**
+ * The name of the request attribute under which the method of the request
whose processing caused the error is
+ * propagated during an error dispatch.
+ *
+ * @since Servlet 6.1
+ */
+ String ERROR_METHOD = "jakarta.servlet.error.method";
+
/**
* The name of the request attribute that should be set by the container
when custom error-handling servlet or JSP
* page is invoked. The value of the attribute is of type {@code String}.
See the chapter "Error Handling" in the
diff --git a/java/jakarta/servlet/jsp/ErrorData.java
b/java/jakarta/servlet/jsp/ErrorData.java
index a1d445b059..3137071b15 100644
--- a/java/jakarta/servlet/jsp/ErrorData.java
+++ b/java/jakarta/servlet/jsp/ErrorData.java
@@ -29,6 +29,7 @@ public final class ErrorData {
private final Throwable throwable;
private final int statusCode;
+ private final String method;
private final String uri;
private final String servletName;
private final String queryString;
@@ -41,11 +42,11 @@ public final class ErrorData {
* @param uri The request URI
* @param servletName The name of the servlet invoked
*
- * @deprecated Use {#link {@link ErrorData#ErrorData(Throwable, int,
String, String, String)}
+ * @deprecated Use {#link {@link ErrorData#ErrorData(Throwable, int,
String, String, String, String)}
*/
@Deprecated(since = "4.0", forRemoval = true)
public ErrorData(Throwable throwable, int statusCode, String uri, String
servletName) {
- this(throwable, statusCode, uri, servletName, null);
+ this(throwable, statusCode, null, uri, servletName, null);
}
/**
@@ -53,15 +54,18 @@ public final class ErrorData {
*
* @param throwable The Throwable that is the cause of the error
* @param statusCode The status code of the error
+ * @param method The request method
* @param uri The request URI
* @param servletName The name of the servlet invoked
* @param queryString The request query string
*
* @since JSP 4.0
*/
- public ErrorData(Throwable throwable, int statusCode, String uri, String
servletName, String queryString) {
+ public ErrorData(Throwable throwable, int statusCode, String method,
String uri, String servletName,
+ String queryString) {
this.throwable = throwable;
this.statusCode = statusCode;
+ this.method = method;
this.uri = uri;
this.servletName = servletName;
this.queryString = queryString;
@@ -85,6 +89,15 @@ public final class ErrorData {
return this.statusCode;
}
+ /**
+ * Returns the request method.
+ *
+ * @return The request method
+ */
+ public String getMethod() {
+ return this.method;
+ }
+
/**
* Returns the request URI.
*
diff --git a/java/jakarta/servlet/jsp/PageContext.java
b/java/jakarta/servlet/jsp/PageContext.java
index edc93bab8a..7a7df8d355 100644
--- a/java/jakarta/servlet/jsp/PageContext.java
+++ b/java/jakarta/servlet/jsp/PageContext.java
@@ -438,6 +438,7 @@ public abstract class PageContext extends JspContext {
}
return new ErrorData((Throwable)
getRequest().getAttribute(RequestDispatcher.ERROR_EXCEPTION), status,
+ (String)
getRequest().getAttribute(RequestDispatcher.ERROR_METHOD),
(String)
getRequest().getAttribute(RequestDispatcher.ERROR_REQUEST_URI),
(String)
getRequest().getAttribute(RequestDispatcher.ERROR_SERVLET_NAME),
(String)
getRequest().getAttribute(RequestDispatcher.ERROR_QUERY_STRING));
diff --git a/java/org/apache/catalina/core/ApplicationDispatcher.java
b/java/org/apache/catalina/core/ApplicationDispatcher.java
index 420286ad9b..ebc5111ecd 100644
--- a/java/org/apache/catalina/core/ApplicationDispatcher.java
+++ b/java/org/apache/catalina/core/ApplicationDispatcher.java
@@ -234,6 +234,13 @@ final class ApplicationDispatcher implements
AsyncDispatcher, RequestDispatcher
ApplicationHttpRequest wrequest = (ApplicationHttpRequest)
wrapRequest(state);
HttpServletRequest hrequest = state.hrequest;
+ /*
+ * All ERROR dispatches must be GET requests. Use the presence of
ERROR_METHOD to determine if this is an
+ * error dispatch as not all components (JSP) set the dispatcher
type.
+ */
+ if (request.getAttribute(ERROR_METHOD) != null) {
+ wrequest.setMethod("GET");
+ }
wrequest.setRequestURI(hrequest.getRequestURI());
wrequest.setContextPath(hrequest.getContextPath());
wrequest.setServletPath(hrequest.getServletPath());
@@ -257,6 +264,13 @@ final class ApplicationDispatcher implements
AsyncDispatcher, RequestDispatcher
wrequest.setAttribute(FORWARD_MAPPING,
hrequest.getHttpServletMapping());
}
+ /*
+ * All ERROR dispatches must be GET requests. Use the presence of
ERROR_METHOD to determine if this is an
+ * error dispatch as not all components (JSP) set the dispatcher
type.
+ */
+ if (request.getAttribute(ERROR_METHOD) != null) {
+ wrequest.setMethod("GET");
+ }
wrequest.setContextPath(context.getEncodedPath());
wrequest.setRequestURI(requestURI);
wrequest.setServletPath(servletPath);
diff --git a/java/org/apache/catalina/core/ApplicationHttpRequest.java
b/java/org/apache/catalina/core/ApplicationHttpRequest.java
index 9b60f94814..b518dbe454 100644
--- a/java/org/apache/catalina/core/ApplicationHttpRequest.java
+++ b/java/org/apache/catalina/core/ApplicationHttpRequest.java
@@ -115,6 +115,10 @@ class ApplicationHttpRequest extends
HttpServletRequestWrapper {
*/
protected DispatcherType dispatcherType = null;
+ /**
+ * The HTTP method for this request.
+ */
+ private String method;
/**
* The request parameters for this request. This is initialized from the
wrapped request.
@@ -372,6 +376,13 @@ class ApplicationHttpRequest extends
HttpServletRequestWrapper {
}
+
+ @Override
+ public String getMethod() {
+ return method;
+ }
+
+
/**
* Override the <code>getParameter()</code> method of the wrapped request.
*
@@ -651,6 +662,7 @@ class ApplicationHttpRequest extends
HttpServletRequestWrapper {
// Initialize the path elements for this request
contextPath = request.getContextPath();
+ method = request.getMethod();
pathInfo = request.getPathInfo();
queryString = request.getQueryString();
requestURI = request.getRequestURI();
@@ -659,6 +671,16 @@ class ApplicationHttpRequest extends
HttpServletRequestWrapper {
}
+ /**
+ * Set the request method for this request.
+ *
+ * @param method The new request method
+ */
+ void setMethod(String method) {
+ this.method = method;
+ }
+
+
/**
* Set the request URI for this request.
*
diff --git a/java/org/apache/catalina/core/StandardHostValve.java
b/java/org/apache/catalina/core/StandardHostValve.java
index 7b5dacbd72..b4be2e6b6f 100644
--- a/java/org/apache/catalina/core/StandardHostValve.java
+++ b/java/org/apache/catalina/core/StandardHostValve.java
@@ -218,6 +218,7 @@ final class StandardHostValve extends ValveBase {
if (wrapper != null) {
request.setAttribute(RequestDispatcher.ERROR_SERVLET_NAME,
wrapper.getName());
}
+ request.setAttribute(RequestDispatcher.ERROR_METHOD,
request.getMethod());
request.setAttribute(RequestDispatcher.ERROR_REQUEST_URI,
request.getRequestURI());
request.setAttribute(RequestDispatcher.ERROR_QUERY_STRING,
request.getQueryString());
if (custom(request, response, errorPage)) {
@@ -283,6 +284,7 @@ final class StandardHostValve extends ValveBase {
if (wrapper != null) {
request.setAttribute(RequestDispatcher.ERROR_SERVLET_NAME,
wrapper.getName());
}
+ request.setAttribute(RequestDispatcher.ERROR_METHOD,
request.getMethod());
request.setAttribute(RequestDispatcher.ERROR_REQUEST_URI,
request.getRequestURI());
request.setAttribute(RequestDispatcher.ERROR_QUERY_STRING,
request.getQueryString());
request.setAttribute(RequestDispatcher.ERROR_EXCEPTION_TYPE,
realError.getClass());
diff --git a/java/org/apache/jasper/runtime/PageContextImpl.java
b/java/org/apache/jasper/runtime/PageContextImpl.java
index a07f9c1c9c..b38ce953f4 100644
--- a/java/org/apache/jasper/runtime/PageContextImpl.java
+++ b/java/org/apache/jasper/runtime/PageContextImpl.java
@@ -595,6 +595,7 @@ public class PageContextImpl extends PageContext {
request.setAttribute(EXCEPTION, t);
request.setAttribute(RequestDispatcher.ERROR_STATUS_CODE,
Integer.valueOf(HttpServletResponse.SC_INTERNAL_SERVER_ERROR));
+ request.setAttribute(RequestDispatcher.ERROR_METHOD,
((HttpServletRequest) request).getMethod());
request.setAttribute(RequestDispatcher.ERROR_REQUEST_URI,
((HttpServletRequest) request).getRequestURI());
request.setAttribute(RequestDispatcher.ERROR_QUERY_STRING,
((HttpServletRequest) request).getQueryString());
request.setAttribute(RequestDispatcher.ERROR_SERVLET_NAME,
config.getServletName());
diff --git a/test/org/apache/catalina/core/TestApplicationDispatcher.java
b/test/org/apache/catalina/core/TestApplicationDispatcher.java
new file mode 100644
index 0000000000..12e838c7a9
--- /dev/null
+++ b/test/org/apache/catalina/core/TestApplicationDispatcher.java
@@ -0,0 +1,133 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.catalina.core;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.nio.charset.StandardCharsets;
+
+import jakarta.servlet.RequestDispatcher;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.http.HttpServlet;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import org.apache.catalina.Context;
+import org.apache.catalina.startup.Tomcat;
+import org.apache.catalina.startup.TomcatBaseTest;
+import org.apache.tomcat.util.buf.ByteChunk;
+import org.apache.tomcat.util.descriptor.web.ErrorPage;
+
+
+public class TestApplicationDispatcher extends TomcatBaseTest {
+
+ @Test
+ public void testDispatchErrorToServlet() throws Exception {
+ Tomcat tomcat = getTomcatInstance();
+
+ // No file system docBase required
+ Context ctx = tomcat.addContext("", null);
+
+ Tomcat.addServlet(ctx, "errorTrigger", new ErrorTriggerServlet());
+ ctx.addServletMappingDecoded("/trigger", "errorTrigger");
+
+ Tomcat.addServlet(ctx, "errorHandling", new ErrorHandlingServlet());
+ ctx.addServletMappingDecoded("/error", "errorHandling");
+
+ ErrorPage ep = new ErrorPage();
+ ep.setExceptionType(Throwable.class.getName());
+ ep.setLocation("/error");
+ ctx.addErrorPage(ep);
+
+ tomcat.start();
+
+ ByteChunk response = new ByteChunk();
+ int rc = postUrl(new byte[0], "http://localhost:"; + getPort() +
"/trigger", response, null);
+
+ Assert.assertEquals(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, rc);
+ Assert.assertEquals("OK", response.toString());
+ }
+
+
+ @Test
+ public void testDispatchErrorToJspWithErrorPage() throws Exception {
+ getTomcatInstanceTestWebapp(false, true);
+
+ ByteChunk response = new ByteChunk();
+ int rc = postUrl(new byte[0], "http://localhost:"; + getPort() +
"/test/dispatch/trigger-with-error-page.jsp",
+ response, null);
+
+ Assert.assertEquals(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, rc);
+ Assert.assertEquals("OK", response.toString().trim());
+ }
+
+
+ @Test
+ public void testDispatchErrorToJspWithoutErrorPage() throws Exception {
+ Tomcat tomcat = getTomcatInstanceTestWebapp(false, false);
+ Context ctx = (Context) tomcat.getHost().findChildren()[0];
+
+ Tomcat.addServlet(ctx, "errorHandling", new ErrorHandlingServlet());
+ ctx.addServletMappingDecoded("/error", "errorHandling");
+
+ ErrorPage ep = new ErrorPage();
+ ep.setExceptionType(Throwable.class.getName());
+ ep.setLocation("/error");
+ ctx.addErrorPage(ep);
+
+ tomcat.start();
+
+ ByteChunk response = new ByteChunk();
+ int rc = postUrl(new byte[0], "http://localhost:"; + getPort() +
"/test/dispatch/trigger-without-error-page.jsp",
+ response, null);
+
+ Assert.assertEquals(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, rc);
+ Assert.assertEquals("OK", response.toString().trim());
+ }
+
+
+ private static class ErrorTriggerServlet extends HttpServlet {
+ private static final long serialVersionUID = 1L;
+
+ @Override
+ protected void service(HttpServletRequest req, HttpServletResponse
resp) throws ServletException, IOException {
+ throw new RuntimeException("Forced failure");
+ }
+ }
+
+
+ private static class ErrorHandlingServlet extends HttpServlet {
+ private static final long serialVersionUID = 1L;
+
+ @Override
+ protected void service(HttpServletRequest req, HttpServletResponse
resp) throws ServletException, IOException {
+ resp.setContentType("text/plain");
+ resp.setCharacterEncoding(StandardCharsets.UTF_8);
+ PrintWriter pw = resp.getWriter();
+
+ if
("POST".equals(req.getAttribute(RequestDispatcher.ERROR_METHOD)) &&
+ "GET".equals(req.getMethod())) {
+ pw.print("OK");
+ } else {
+ pw.print("FAIL");
+ }
+ }
+ }
+}
diff --git a/test/webapp/dispatch/error.jsp b/test/webapp/dispatch/error.jsp
new file mode 100644
index 0000000000..d45f08f13b
--- /dev/null
+++ b/test/webapp/dispatch/error.jsp
@@ -0,0 +1,23 @@
+<%--
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The ASF licenses this file to You under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with
+ the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+--%>
+<%@ page isErrorPage="true" %><%
+if ("POST".equals(request.getAttribute(RequestDispatcher.ERROR_METHOD)) &&
+ "GET".equals(request.getMethod())) {
+ out.print("OK");
+} else {
+ out.print("FAIL");
+}%>
\ No newline at end of file
diff --git a/test/webapp/dispatch/trigger-with-error-page.jsp
b/test/webapp/dispatch/trigger-with-error-page.jsp
new file mode 100644
index 0000000000..d3289fed2c
--- /dev/null
+++ b/test/webapp/dispatch/trigger-with-error-page.jsp
@@ -0,0 +1,20 @@
+<%--
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The ASF licenses this file to You under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with
+ the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+--%>
+<%@ page errorPage="/dispatch/error.jsp" %>
+<%
+ throw new RuntimeException("Forced failure");
+%>
\ No newline at end of file
diff --git a/test/webapp/dispatch/trigger-without-error-page.jsp
b/test/webapp/dispatch/trigger-without-error-page.jsp
new file mode 100644
index 0000000000..8b0fb9bcfc
--- /dev/null
+++ b/test/webapp/dispatch/trigger-without-error-page.jsp
@@ -0,0 +1,19 @@
+<%--
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The ASF licenses this file to You under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with
+ the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+--%>
+<%
+ throw new RuntimeException("Forced failure");
+%>
\ No newline at end of file
diff --git a/webapps/docs/changelog.xml b/webapps/docs/changelog.xml
index 9a7e836924..e4f507a131 100644
--- a/webapps/docs/changelog.xml
+++ b/webapps/docs/changelog.xml
@@ -117,6 +117,11 @@
replaces the now deprecated Tomcat specific request attribute
<code>org.apache.tomcat.util.net.secure_protocol_version</code>.
(markt)
</add>
+ <add>
+ Align behaviour with the latest addition to the Servlet 6.1
+ specification that requires that all HTTP error dispatches use the GET
+ method. (markt)
+ </add>
</changelog>
</subsection>
<subsection name="Coyote">
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