cambiarla es obligatorio

server/user.go

@@ -60,10 +60,15 @@ func (s *server) passwordHandler(w http.ResponseWriter, r *http.Request) {
 	oldpass := r.FormValue("oldpass")
 	pass := r.FormValue("password")
 	pass2 := r.FormValue("password2")
+
 	if pass != pass2 {
 		response.execute("WrongPass")
 		return
 	}
+	if pass == oldpass {
+		response.execute("SameOldPass")
+		return
+	}
 
 	err := s.ldap.ChangePass(response.User, oldpass, pass)
 	if err != nil {

tmpl/password.html

@@ -19,7 +19,8 @@
           </div>
           <div class="form-group">
             <label for="password">Nueva contraseña:</label>
-            <input type="password" class="form-control" id="password" name="password" placeholder="Contraseña">
+            <input type="password" class="form-control {{if eq .Data "SameOldPass"}}is-invalid{{end}}" id="password" name="password" placeholder="Contraseña">
+               {{ if eq .Data "SameOldPass"}}<div class="invalid-feedback">Cuando dec&iacute;amos "cambiarla" nos refer&iacute;amos a... cambiarla ;)</div>{{end}}
           </div>
           <div class="form-group">
             <label for="password2">Repite la contraseña nueva:</label>