shreemaan-abhishek commented on code in PR #13331:
URL: https://github.com/apache/apisix/pull/13331#discussion_r3256279310


##########
apisix/plugins/cas-auth.lua:
##########
@@ -35,23 +38,54 @@ local schema = {
         idp_uri = {type = "string"},
         cas_callback_uri = {type = "string"},
         logout_uri = {type = "string"},
+        cookie = {
+            type = "object",
+            properties = {
+                secret = {type = "string", minLength = 32},
+                secure = {type = "boolean", default = true},
+                samesite = {type = "string", enum = {"Lax", "None"}, default = 
"Lax"},
+            },
+            required = {"secret"},

Review Comment:
   It doesn't avoid the breaking change in practice 🤔. In multi-node deployment 
scenario, the cookie would be set on the pre-redirect request but verified on 
the IdP callback, which can land on a different node. If each node generates 
its own secret, verification fails across nodes and on every reload, so CAS 
login silently breaks instead of the config being loudly rejected.
   
   Also how can we persist such autogenerated cookie?



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