/**
* Process the form submission and authenticate the user. If there is targetUrl then the user
* wants to go somewhere, so after authentication do redirection.
*/
@RequestMapping(method = RequestMethod.POST)
public String authenticate(
HttpSession httpSession,
@RequestParam String username,
@RequestParam String password,
@RequestParam(value = "targetUrl", required = false) String targetUrl) {
log.info("Am authenticating user with name: " + username);
try {
// only try to authenticate if they actually typed in a username
if (username == null || username.length() == 0)
throw new OpenHouseSecurityException("Unable to authenticate with an empty username");
Context.authenticate(username, password);
if (Context.isAuthenticated()) {
log.info(username + " is now authenticated with locale " + Context.getLocale());
if (targetUrl != null && !targetUrl.equals("")) {
// return a target url
return "redirect:" + targetUrl;
} else return "redirect:homepage.form";
}
} catch (OpenHouseException e) {
// set the error message for the user telling them
// to try again
}
return "login";
}
/**
* Ascertains if the current back end is MySQL.
*
* @return <code>true if Derby</code> otherwise <code>false</code>
*/
static boolean ascertainMySQLDb() {
String driver = Context.getRuntimeProperties().getProperty("hibernate.connection.driver_class");
if (driver == null || driver.length() <= 0)
driver = Context.getRuntimeProperties().getProperty("hibernate.connection.driver_class");
return driver.contains("mysql");
}
/** Get the form object for login information. */
@RequestMapping(method = RequestMethod.GET)
public String setupForm(
HttpSession httpSession,
@RequestParam(value = "targetUrl", required = false) String targetUrl) {
if (Context.isAuthenticated()) {
log.info(
Context.getAuthenticatedUser().getFullName()
+ " is authenticated with locale "
+ Context.getLocale());
if (targetUrl != null && !targetUrl.equals("")) {
// return a target url
return "redirect:" + targetUrl;
} else return "redirect:homepage.form";
}
return "/login";
}