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Merge pull request #1473 from Computroniks/#1059-specify-dns-resolver-port

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Added #1059: Allow to specify Resolver Port for DNS Monitor
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Louis Lam 2022-05-25 14:59:14 +08:00 committed by GitHub
commit 35b8e89457
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4 changed files with 26 additions and 3 deletions
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2
server/model/monitor.js
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@ -330,7 +330,7 @@ class Monitor extends BeanModel {
let startTime = dayjs().valueOf();
let dnsMessage = "";
let dnsRes = await dnsResolve(this.hostname, this.dns_resolve_server, this.dns_resolve_type);
let dnsRes = await dnsResolve(this.hostname, this.dns_resolve_server, this.port, this.dns_resolve_type);
bean.ping = dayjs().valueOf() - startTime;
if (this.dns_resolve_type === "A" || this.dns_resolve_type === "AAAA" || this.dns_resolve_type === "TXT") {

8
server/util-server.js
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@ -176,12 +176,16 @@ exports.mqttAsync = function (hostname, topic, okMessage, options = {}) {
* Resolves a given record using the specified DNS server
* @param {string} hostname The hostname of the record to lookup
* @param {string} resolverServer The DNS server to use
* @param {string} resolverPort Port the DNS server is listening on
* @param {string} rrtype The type of record to request
* @returns {Promise<(string[]|Object[]|Object)>}
*/
exports.dnsResolve = function (hostname, resolverServer, rrtype) {
exports.dnsResolve = function (hostname, resolverServer, resolverPort, rrtype) {
const resolver = new Resolver();
resolver.setServers([ resolverServer ]);
// Remove brackets from IPv6 addresses so we can re-add them to
// prevent issues with ::1:5300 (::1 port 5300)
resolverServer = resolverServer.replace("[", "").replace("]", "");
resolver.setServers([`[${resolverServer}]:${resolverPort}`]);
return new Promise((resolve, reject) => {
if (rrtype === "PTR") {
resolver.reverse(hostname, (err, records) => {

1
src/languages/en.js
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@ -13,6 +13,7 @@ export default {
pauseDashboardHome: "Pause",
deleteMonitorMsg: "Are you sure want to delete this monitor?",
deleteNotificationMsg: "Are you sure want to delete this notification for all monitors?",
dnsPortDescription: "DNS server port. Defaults to 53. You can change the port at any time.",
resolverserverDescription: "Cloudflare is the default server. You can change the resolver server anytime.",
rrtypeDescription: "Select the RR type you want to monitor",
pauseMonitorMsg: "Are you sure want to pause?",

18
src/pages/EditMonitor.vue
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@ -94,6 +94,15 @@
</div>
</div>
<!-- Port -->
<div class="my-3">
<label for="port" class="form-label">{{ $t("Port") }}</label>
<input id="port" v-model="monitor.port" type="number" class="form-control" required min="0" max="65535" step="1">
<div class="form-text">
{{ $t("dnsPortDescription") }}
</div>
</div>
<div class="my-3">
<label for="dns_resolve_type" class="form-label">{{ $t("Resource Record Type") }}</label>
@ -469,6 +478,15 @@ export default {
this.monitor.pushToken = genSecret(10);
}
}
// Set default port for DNS if not already defined
if (! this.monitor.port || this.monitor.port === "53") {
if (this.monitor.type === "dns") {
this.monitor.port = "53";
} else {
this.monitor.port = "";
}
}
}
},