Add fix for content-type getting empty when backend having header "Co…

…ntent-Length : 0"
wso2 · Jan 17, 2024 · 1aeede7 · 1aeede7
1 parent 835e814
commit 1aeede7
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Showing 2 changed files with 6 additions and 27 deletions.
diff --git a/modules/core/src/main/java/org/apache/synapse/api/cors/CORSHelper.java b/modules/core/src/main/java/org/apache/synapse/api/cors/CORSHelper.java
@@ -50,7 +50,7 @@ public static String getAllowedOrigins(String origin, Set<String> allowedOrigins
         } else if (allowedOrigins.contains(origin)) {
             return origin;
         } else {
-            return null;
+            return "";
         }
     }
 
@@ -86,7 +86,7 @@ public static void handleCORSHeaders(CORSConfiguration corsConfiguration, Messag
                         transportHeaders.get(RESTConstants.CORS_HEADER_ORIGIN));
 
                 // If the request origin is not allowed, set the status code to 403
-                if (isOptionsRequest(synCtx) && allowedOrigin == null) {
+                if (isOptionsRequest(synCtx) && allowedOrigin.isEmpty()) {
                     ((Axis2MessageContext) synCtx).getAxis2MessageContext()
                             .setProperty(PassThroughConstants.HTTP_SC, HttpStatus.SC_FORBIDDEN);
                 }

diff --git a/...nhttp/src/main/java/org/apache/synapse/transport/passthru/util/SourceResponseFactory.java b/...nhttp/src/main/java/org/apache/synapse/transport/passthru/util/SourceResponseFactory.java
@@ -153,34 +153,13 @@ public static SourceResponse create(MessageContext msgContext,
 	private static void addResponseHeader(SourceResponse sourceResponse, Map transportHeaders) {
 	    for (Object entryObj : transportHeaders.entrySet()) {
 	        Map.Entry entry = (Map.Entry) entryObj;
-	        String headerValue = getHeaderValueAsString(entry.getValue());
-	        if (entry.getKey() instanceof String && headerValue != null) {
-	            sourceResponse.addHeader((String) entry.getKey(), headerValue);
-	        }
+            if (entry.getValue() != null && entry.getKey() instanceof String &&
+                    entry.getValue() instanceof String) {
+                sourceResponse.addHeader((String) entry.getKey(), (String) entry.getValue());
+            }
 	    }
     }
 
-    /**
-     * Get the header value as a string.
-     * <p>
-     * If the header value is a string, return it
-     * If the header value is null, return empty string. otherwise the header will get dropped
-     * Else return null to drop the header
-     * </p>
-     *
-     * @param value the header value
-     * @return the header value as a string
-     */
-    private static String getHeaderValueAsString(Object value) {
-
-        if (value instanceof String) {
-            return (String) value;
-        } else if (value == null) {
-            return "";
-        }
-        return null;
-    }
-
     private static boolean isPayloadOptionalMethod(String httpMethod) {
         return (PassThroughConstants.HTTP_GET.equals(httpMethod) ||
                 PassThroughConstants.HTTP_HEAD.equals(httpMethod) ||