Language: Go
Label: safe
CWE: CWE-613 \u2014 Insufficient Session Expiration
According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization."

Code:
func getToken(r *http.Request) (string, error) {
	cookies := r.Cookies()
	return httputil.JoinCookies(common.AuthCookieName, cookies)
}