access_ensure_global_level(config_get('manage_user_threshold'));
$f_protected = gpc_get_bool('protected');
$f_enabled = gpc_get_bool('enabled');
$f_email = gpc_get_string('email', '');
$f_username = gpc_get_string('username', '');
$f_realname = gpc_get_string('realname', '');
$f_access_level = gpc_get_int('access_level');
$f_user_id = gpc_get_int('user_id');
$f_email = trim($f_email);
$f_username = trim($f_username);
$t_old_username = user_get_field($f_user_id, 'username');
# check that the username is unique
if (0 != strcasecmp($t_old_username, $f_username) && false == user_is_name_unique($f_username)) {
    trigger_error(ERROR_USER_NAME_NOT_UNIQUE, ERROR);
}
user_ensure_name_valid($f_username);
user_ensure_realname_valid($f_realname);
user_ensure_realname_unique($f_username, $f_realname);
$f_email = email_append_domain($f_email);
email_ensure_valid($f_email);
$c_email = db_prepare_string($f_email);
$c_username = db_prepare_string($f_username);
$c_realname = db_prepare_string($f_realname);
$c_protected = db_prepare_bool($f_protected);
$c_enabled = db_prepare_bool($f_enabled);
$c_user_id = db_prepare_int($f_user_id);
$c_access_level = db_prepare_int($f_access_level);
$t_user_table = config_get('mantis_user_table');
$t_old_protected = user_get_field($f_user_id, 'protected');
# check that we are not downgrading the last administrator
$t_old_access = user_get_field($f_user_id, 'access_level');

/**
 * Set the user's username to the given string after checking that it is valid
 * @param integer $p_user_id  A valid user identifier.
 * @param string  $p_username A valid username to set.
 * @return boolean
 */
function user_set_name($p_user_id, $p_username)
{
    user_ensure_name_valid($p_username);
    user_ensure_name_unique($p_username);
    return user_set_field($p_user_id, 'username', $p_username);
}

 public function put($request)
 {
     /**
      * 	Updates the user.
      *
      *      @param $request - The Request we're responding to
      */
     $this->user_id = User::get_mantis_id_from_url($request->url);
     if (!access_has_global_level(config_get('manage_user_threshold')) && auth_get_current_user_id() != $this->user_id) {
         throw new HTTPException(403, "Access denied to edit user {$this->user_id}'s info");
     }
     $this->populate_from_repr($request->body);
     # Do some validation on the inputs (from Mantis's user_create())
     $username = db_prepare_string($this->rsrc_data['username']);
     $realname = db_prepare_string($this->rsrc_data['realname']);
     $password = db_prepare_string($this->rsrc_data['password']);
     $email = db_prepare_string($this->rsrc_data['email']);
     $access_level = db_prepare_int(get_string_to_enum(config_get('access_levels_enum_string'), $this->rsrc_data['access_level']));
     $protected = db_prepare_bool($this->rsrc_data['protected']);
     $enabled = db_prepare_bool($this->rsrc_data['enabled']);
     user_ensure_name_valid($username);
     user_ensure_realname_valid($realname);
     user_ensure_realname_unique($username, $realname);
     email_ensure_valid($email);
     # The cookie string is based on email and username, so if either of those changed,
     # we have to change the cookie string.
     $user_row = user_get_row($this->user_id);
     $username_key = array_key_exists('username', $user_row) ? 'username' : 1;
     $email_key = array_key_exists('email', $user_row) ? 'email' : 3;
     $cookie_string_key = array_key_exists('cookie_string', $user_row) ? 'cookie_string' : 13;
     if ($user_row[$username_key] != $username || $user_row[$email_key] != $email) {
         $seed = $email . $username;
         $cookie_string = auth_generate_unique_cookie_string($seed);
     } else {
         $cookie_string = $user_row[$cookie_string_key];
     }
     $password_hash = auth_process_plain_password($password);
     $user_table = config_get('mantis_user_table');
     $query = "UPDATE  {$user_table}\n\t\t\t\tSET username = '{$username}',\n\t\t\t\t    realname = '{$realname}',\n\t\t\t\t    email = '{$email}',\n\t\t\t\t    password = '{$password_hash}',\n\t\t\t\t    enabled = {$enabled},\n\t\t\t\t    protected = {$protected},\n\t\t\t\t    access_level = {$access_level},\n\t\t\t\t    cookie_string = '{$cookie_string}'\n\t\t\t\tWHERE id = {$this->user_id};";
     db_query($query);
     $resp = new Response();
     $resp->status = 204;
     return $resp;
 }