From 47c08abcfd8532ef877b1a65c2baddbca6203299 Mon Sep 17 00:00:00 2001
From: Andrea Aime <andrea.aime@gmail.com>
Date: Fri, 25 Nov 2016 10:50:16 +0100
Subject: [PATCH] [GEOS-7888] ClassCastException when posting WFS Transaction
 request on a URL containing a valid GetFeature request

---
 .../java/org/geoserver/ows/Dispatcher.java    | 32 ++++++++++++-------
 .../org/geoserver/wfs/TransactionTest.java    | 23 +++++++++++++
 2 files changed, 44 insertions(+), 11 deletions(-)

diff --git a/src/ows/src/main/java/org/geoserver/ows/Dispatcher.java b/src/ows/src/main/java/org/geoserver/ows/Dispatcher.java
index 58656d86a14..65f2def3306 100644
--- a/src/ows/src/main/java/org/geoserver/ows/Dispatcher.java
+++ b/src/ows/src/main/java/org/geoserver/ows/Dispatcher.java
@@ -500,19 +500,19 @@ Service service(Request req) throws Exception {
         //check the body
         if (req.getInput() != null) {
             Map xml = readOpPost(req.getInput());
-            if (req.getService() == null) {
+            if (xml.get("service") != null) {
                 req.setService(normalize((String) xml.get("service")));    
             }
-            if (req.getVersion() == null) {
+            if (xml.get("version") != null) {
                 req.setVersion(normalizeVersion(normalize((String) xml.get("version"))));
             }
-            if (req.getRequest() == null) {
+            if (xml.get("request") != null) {
                 req.setRequest(normalize((String) xml.get("request")));    
             }
-            if (req.getOutputFormat() == null) {
+            if (xml.get("outputFormat") != null) {
                 req.setOutputFormat(normalize((String) xml.get("outputFormat")));    
             }
-            if (req.getNamespace() == null) {
+            if ((String)xml.get("namespace") != null) {
                 req.setNamespace(normalize((String)xml.get("namespace")));
             }
         }
@@ -623,12 +623,11 @@ Operation dispatch(Request req, Service serviceDescriptor)
         }
 
         // ensure the requested operation exists
-        boolean exists = false;
-        for ( String op : serviceDescriptor.getOperations() ) {
-            if ( op.equalsIgnoreCase( req.getRequest() ) ) {
-                exists = true;
-                break;
-            }
+        boolean exists = operationExists(req, serviceDescriptor);
+        // did we have a mixed kvp + post request and trusted the body for the request?
+        if(!exists && req.getKvp().get("request") != null) {
+            req.setRequest(normalize(KvpUtils.getSingleValue(req.getKvp(), "request")));
+            exists = operationExists(req, serviceDescriptor);
         }
 
         // lookup the operation, initial lookup based on (service,request)
@@ -790,6 +789,17 @@ else if (parameterType.isAssignableFrom(InputStream.class)) {
         return fireOperationDispatchedCallback(req,op);
     }
 
+    private boolean operationExists(Request req, Service serviceDescriptor) {
+        boolean exists = false;
+        for ( String op : serviceDescriptor.getOperations() ) {
+            if ( op.equalsIgnoreCase( req.getRequest() ) ) {
+                exists = true;
+                break;
+            }
+        }
+        return exists;
+    }
+
     Operation fireOperationDispatchedCallback(Request req, Operation op ) {
         for ( DispatcherCallback cb : callbacks ) {
             Operation o = cb.operationDispatched( req, op );
diff --git a/src/wfs/src/test/java/org/geoserver/wfs/TransactionTest.java b/src/wfs/src/test/java/org/geoserver/wfs/TransactionTest.java
index c822ef14306..f4336e59687 100644
--- a/src/wfs/src/test/java/org/geoserver/wfs/TransactionTest.java
+++ b/src/wfs/src/test/java/org/geoserver/wfs/TransactionTest.java
@@ -159,6 +159,29 @@ public void testInsert() throws Exception {
         assertEquals(2, dom.getElementsByTagName("gml:featureMember")
                 .getLength());
     }
+	
+	@Test
+    public void testInsertWithGetFeatureInThePath() throws Exception {
+        // perform an insert
+        String insert = "<wfs:Transaction service=\"WFS\" version=\"1.0.0\" "
+                + "xmlns:cgf=\"http://www.opengis.net/cite/geometry\" "
+                + "xmlns:ogc=\"http://www.opengis.net/ogc\" "
+                + "xmlns:wfs=\"http://www.opengis.net/wfs\" "
+                + "xmlns:gml=\"http://www.opengis.net/gml\"> "
+                + "<wfs:Insert > "
+                + "<cgf:Lines>"
+                + "<cgf:lineStringProperty>"
+                + "<gml:LineString>"
+                + "<gml:coordinates decimal=\".\" cs=\",\" ts=\" \">"
+                + "494475.71056415,5433016.8189323 494982.70115662,5435041.95096618"
+                + "</gml:coordinates>" + "</gml:LineString>"
+                + "</cgf:lineStringProperty>" + "<cgf:id>t0002</cgf:id>"
+                + "</cgf:Lines>" + "</wfs:Insert>" + "</wfs:Transaction>";
+
+        Document dom = postAsDOM("wfs?service=WFS&version=1.0.0&request=GetFeature&typeName=cgf:Lines", insert);
+        assertTrue(dom.getElementsByTagName("wfs:SUCCESS").getLength() != 0);
+        assertTrue(dom.getElementsByTagName("wfs:InsertResult").getLength() != 0);
+    }
 
 	@Test
     public void testUpdate() throws Exception {