scripts/ddos_protection_challenge.lua

@@ -21,12 +21,10 @@ local function getCookieValue(cookie_header, cookie_name)
         return nil
     end
     -- Parse cookie header to find our cookie
+    -- Use Lua patterns instead of PCRE for better test compatibility
     local pattern = cookie_name .. "=([^;]+)"
-    local match = ngx.re.match(cookie_header, pattern)
-    if match then
-        return match[1]
-    end
-    return nil
+    local value = string.match(cookie_header, pattern)
+    return value
 end
 
 -- Question pool for multiple-choice challenges
@@ -539,19 +537,12 @@ local function challengeCallback(cfg, state)
 
     -- Check for valid token cookie
     local headers = ngx.req.get_headers()
-    ngx.log(ngx.DEBUG, "DEBUG: headers type = " .. type(headers))
-    if headers then
-        ngx.log(ngx.DEBUG, "DEBUG: headers.Cookie = " .. tostring(headers["Cookie"]))
-        ngx.log(ngx.DEBUG, "DEBUG: headers.cookie = " .. tostring(headers["cookie"]))
-    end
     local cookie_header = headers["Cookie"]
     local token = getCookieValue(cookie_header, cfg.cookie_name)
-    ngx.log(ngx.DEBUG, "DEBUG: token extracted = " .. tostring(token))
 
     if token then
         -- Verify token is still valid in shared dict
         local is_valid = state.tokens_dict:get(token)
-        ngx.log(ngx.DEBUG, "DEBUG: token is_valid = " .. tostring(is_valid))
         if is_valid then
             -- Token is valid, allow request through
             return nil