Invalid expires date format with non english default locale
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                 Key: SHIRO-179
                 URL: https://issues.apache.org/jira/browse/SHIRO-179
             Project: Shiro
          Issue Type: Bug
          Components: Web
         Environment: I'm on a french locale java system
            Reporter: Nicolas ANTONIAZZI


There is a problem with the "rememberMe" cookie feature.

A cookie is sent to the user to store the rememberMe data, but the expiration 
date used for the formating is the system default one.
In my case, expiration date are formated in french and the browser cannot 
correctly handle it (so rememberMe cookie will automatically be removed when 
the browser is closed)

A fix could be done in the class : org.apache.shiro.web.servlet.SimpleCookie

Around line 330 :

    private static String toCookieDate(Date date) {
        TimeZone tz = TimeZone.getTimeZone(GMT_TIME_ZONE_ID);
        DateFormat fmt = new SimpleDateFormat(COOKIE_DATE_FORMAT_STRING);  // 
Here, SimpleDateFormat use default Locale
        fmt.setTimeZone(tz);
        return fmt.format(date);
    }

replace with :

    private static String toCookieDate(Date date) {
        TimeZone tz = TimeZone.getTimeZone(GMT_TIME_ZONE_ID);
        DateFormat fmt = new SimpleDateFormat(COOKIE_DATE_FORMAT_STRING, 
Locale.ENGLISH); // Force english locale
        fmt.setTimeZone(tz);
        return fmt.format(date);
    }

---

A workaround is to replace the default local when calling the login() method :

        Locale systemLocale = Locale.getDefault();
        Locale.setDefault(Locale.ENGLISH);
        currentUser.login(token);
        Locale.setDefault(systemLocale);


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