SysMgr.updateUser (param, admin)
function stores updated user

Sourcecode in SysMgr/objectFunctions.js:
1:   function updateUser(param, admin) {
2:      var u = this.users.get(param.item);
3:      if (!u)
4:         throw new Exception("userEditMissing");
5:      if (u == admin)
6:         throw new Exception("accountModifyOwn");
7:      // check if this is an attempt to remove the last sysadmin
8:      var sysadmin = parseInt(param.sysadmin, 10);
9:      var trust = parseInt(param.trusted, 10);
10:     var block = parseInt(param.blocked, 10);
11:     if (u.sysadmin && this.sysadmins.size() == 1)
12:        throw new Exception("adminDeleteLast");
13:     else {
14:        //logging
15:        if (sysadmin > u.sysadmin)
16:           this.syslogs.add(new SysLog("user", u.name, "granted sysadmin-rights", admin));
17:        else if (sysadmin < u.sysadmin)
18:           this.syslogs.add(new SysLog("user", u.name, "revoked sysadmin-rights", admin));
19:        u.sysadmin = sysadmin;
20:     }
21:     if (trust > u.trusted)
22:        this.syslogs.add(new SysLog("user", u.name, "granted trust", admin));
23:     else if (trust < u.trusted)
24:        this.syslogs.add(new SysLog("user", u.name, "revoked trust", admin));
25:     if (block > u.blocked)
26:        this.syslogs.add(new SysLog("user", u.name, "blocked user", admin));
27:     else if (block < u.blocked)
28:        this.syslogs.add(new SysLog("user", u.name, "unblocked user", admin));
29:     u.trusted = trust;
30:     u.blocked = block;
31:     return new Message("update");
32:  }