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/*
** Zabbix
** Copyright (C) 2001-2021 Zabbix SIA
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
const ZBX_DB_MYSQL = 'MYSQL';
const ZBX_DB_POSTGRESQL = 'POSTGRESQL';
const ZBX_STYLE_DISPLAY_NONE = 'display-none';
function updateElementsAvailability() {
const db_type = document.querySelector('[name=type]').value;
const host = document.querySelector('[name=server]').value;
const encryption_enabled = document.querySelector('#tls_encryption').checked;
const encryption_supported = (db_type === ZBX_DB_MYSQL || db_type === ZBX_DB_POSTGRESQL);
const encryption_allowed = (host !== '' && ((db_type === ZBX_DB_MYSQL && host !== 'localhost')
|| (db_type === ZBX_DB_POSTGRESQL && !host.startsWith('/'))));
const encryption_customizable = (encryption_supported && encryption_allowed && encryption_enabled
&& document.querySelector('#verify_certificate').checked);
const rows = {
'#db_schema_row': (db_type === ZBX_DB_POSTGRESQL),
'#db_encryption_row': encryption_supported,
'#db_verify_host': (encryption_supported && encryption_allowed && encryption_enabled),
'#db_keyfile_row': encryption_customizable,
'#db_certfile_row': encryption_customizable,
'#db_cafile_row': encryption_customizable,
'#db_verify_host_row': encryption_customizable,
'#db_cipher_row': (encryption_customizable && (db_type === ZBX_DB_MYSQL))
};
for (let selector in rows) {
const elem = document.querySelector(selector);
elem
.classList
.toggle(ZBX_STYLE_DISPLAY_NONE, !rows[selector]);
for (let input of elem.querySelectorAll('input')) {
if (rows[selector]) {
input.removeAttribute('disabled');
}
else {
input.setAttribute('disabled', 'disabled');
}
}
}
// TLS encryption checkbox and secure connection hint message.
if (encryption_supported) {
if (!encryption_allowed) {
document
.querySelector('#tls_encryption')
.setAttribute('disabled', 'disabled');
document
.querySelector('input + [for=tls_encryption]')
.classList
.add(ZBX_STYLE_DISPLAY_NONE);
document
.querySelector('#tls_encryption_hint')
.classList
.remove(ZBX_STYLE_DISPLAY_NONE);
}
else {
document
.querySelector('#tls_encryption')
.removeAttribute('disabled');
document
.querySelector('input + [for=tls_encryption]')
.classList
.remove(ZBX_STYLE_DISPLAY_NONE);
document
.querySelector('#tls_encryption_hint')
.classList
.add(ZBX_STYLE_DISPLAY_NONE);
}
}
// Verify host checkbox availability.
if (db_type === ZBX_DB_MYSQL) {
document
.querySelector('#verify_host')
.checked = true;
document
.querySelector('#verify_host')
.setAttribute('checked', true);
document
.querySelector('#verify_host')
.setAttribute('disabled', 'disabled');
}
else if (encryption_customizable) {
document
.querySelector('#verify_host')
.removeAttribute('disabled');
}
}
document.addEventListener('DOMContentLoaded', () => {
// Stage 2, database configuration.
if (document.querySelector('[name=type]')) {
document.querySelectorAll('#type, #server, #tls_encryption, #verify_certificate').forEach(
(elem) => elem.addEventListener('change', updateElementsAvailability)
);
updateElementsAvailability();
}
});
// Function is required by 'Database port' input and is copy of validateNumericBox from functions.js file.
function validateNumericBox(obj, allowempty, allownegative) {
if (obj != null) {
if (allowempty) {
if (obj.value.length == 0 || obj.value == null) {
obj.value = '';
}
else {
if (isNaN(parseInt(obj.value, 10))) {
obj.value = 0;
}
else {
obj.value = parseInt(obj.value, 10);
}
}
}
else {
if (isNaN(parseInt(obj.value, 10))) {
obj.value = 0;
}
else {
obj.value = parseInt(obj.value, 10);
}
}
}
if (!allownegative) {
if (obj.value < 0) {
obj.value = obj.value * -1;
}
}
}
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