[tomcat] 01/06: Don't include a cookie header in push request when there are no cookies

[markt]

This is an automated email from the ASF dual-hosted git repository.

markt pushed a commit to branch 9.0.x
in repository https://gitbox.apache.org/repos/asf/tomcat.git

commit 3122653120857b9ea225474f7cbd8e4a508a7cdd
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Fri Jan 14 19:20:04 2022 +0000

    Don't include a cookie header in push request when there are no cookies
---
 java/org/apache/catalina/core/ApplicationPushBuilder.java | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/java/org/apache/catalina/core/ApplicationPushBuilder.java 
b/java/org/apache/catalina/core/ApplicationPushBuilder.java
index 67729cf..e06b9d3 100644
--- a/java/org/apache/catalina/core/ApplicationPushBuilder.java
+++ b/java/org/apache/catalina/core/ApplicationPushBuilder.java
@@ -151,10 +151,12 @@ public class ApplicationPushBuilder implements 
PushBuilder {
                 cookies.add(new Cookie(responseCookie.getName(), 
responseCookie.getValue()));
             }
         }
-        List<String> cookieValues = new ArrayList<>(1);
-        cookieValues.add(generateCookieHeader(cookies,
-                catalinaRequest.getContext().getCookieProcessor()));
-        headers.put("cookie", cookieValues);
+        if (cookies.size() > 0) {
+            List<String> cookieValues = new ArrayList<>(1);
+            cookieValues.add(generateCookieHeader(cookies,
+                    catalinaRequest.getContext().getCookieProcessor()));
+            headers.put("cookie", cookieValues);
+        }
 
         // Authentication
         if (catalinaRequest.getPrincipal() != null) {

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