57 lines
1.7 KiB
JavaScript
57 lines
1.7 KiB
JavaScript
'use strict';
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module.exports.create = function (deps, conf) {
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var loopback = require('./loopback').create(deps, conf);
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var dnsCtrl = require('./dns-ctrl').create(deps, conf);
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async function getSession() {
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var sessions = await deps.storage.owners.all();
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var session = sessions.filter(function (sess) {
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return sess.token.scp.indexOf('dns') >= 0;
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})[0];
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if (!session) {
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throw new Error('no sessions with DNS grants');
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}
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// The OAUTH3 library stores some things on the root session object that we usually
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// just leave inside the token, but we need to pull those out before we use it here
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session.provider_uri = session.provider_uri || session.token.provider_uri || session.token.iss;
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session.client_uri = session.client_uri || session.token.azp;
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session.scope = session.scope || session.token.scp;
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return session;
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}
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var publicAddress;
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async function recheckPubAddr() {
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if (!conf.ddns.enabled) {
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return;
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}
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var session = await getSession();
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var directives = await deps.OAUTH3.discover(session.token.aud);
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var addr = await loopback.checkPublicAddr(directives.api);
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if (publicAddress === addr) {
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return;
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}
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if (conf.debug) {
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console.log('previous public address',publicAddress, 'does not match current public address', addr);
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}
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await dnsCtrl.setDeviceAddress(session, addr);
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publicAddress = addr;
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}
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recheckPubAddr();
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setInterval(recheckPubAddr, 5*60*1000);
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return {
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loopbackServer: loopback.server
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, setDeviceAddress: dnsCtrl.setDeviceAddress
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, getDeviceAddresses: dnsCtrl.getDeviceAddresses
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, recheckPubAddr: recheckPubAddr
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};
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};
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