telebit.js/lib/cli-common.js

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'use strict';
var common = module.exports;
var path = require('path');
var url = require('url');
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var mkdirp = require('mkdirp');
var os = require('os');
var homedir = os.homedir();
var urequest = require('@coolaj86/urequest');
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var localshare = '.local/share/telebit';
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var localconf = '.config/telebit';
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common.pipename = function (config, newApi) {
var _ipc = {
path: (config.sock || common.DEFAULT_SOCK_NAME)
, comment: (/^win/i.test(os.platform()) ? 'windows pipe' : 'unix socket')
, type: (/^win/i.test(os.platform()) ? 'pipe' : 'socket')
};
if ('pipe' === _ipc.type) {
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_ipc.path = '\\\\?\\pipe' + _ipc.path.replace(/\//, '\\');
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}
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if (newApi) {
return _ipc;
}
return _ipc.path;
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};
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common.DEFAULT_SOCK_NAME = path.join(homedir, localshare, 'var', 'run', 'telebit.sock');
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common.parseUrl = function (hostname) {
var location = url.parse(hostname);
if (!location.protocol || /\./.test(location.protocol)) {
hostname = 'https://' + hostname;
location = url.parse(hostname);
}
hostname = location.hostname + (location.port ? ':' + location.port : '');
hostname = location.protocol.replace(/https?/, 'https') + '//' + hostname + location.pathname;
return hostname;
};
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common.parseHostname = function (hostname) {
var location = url.parse(hostname);
if (!location.protocol || /\./.test(location.protocol)) {
hostname = 'https://' + hostname;
location = url.parse(hostname);
}
//hostname = location.hostname + (location.port ? ':' + location.port : '');
//hostname = location.protocol.replace(/https?/, 'https') + '//' + hostname + location.pathname;
return location.hostname;
};
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common.apiDirectory = '_apis/telebit.cloud/index.json';
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common.otp = function getOtp() {
return Math.round(Math.random() * 9999).toString().padStart(4, '0');
};
common.api = {};
common.api.directory = function (state, next) {
state.relayUrl = common.parseUrl(state.relay);
urequest({ url: state.relayUrl + common.apiDirectory, json: true }, function (err, resp, body) {
next(err, body);
});
};
common.api.token = function (state, handlers) {
common.api.directory(state, function (err, dir) {
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// directory, requested, connect, tunnelUrl, offer, granted, end
function afterDir() {
//console.log('[debug] after dir');
state.relayHostname = common.parseHostname(state.relay);
state.wss = dir.tunnel.method + '://' + dir.api_host.replace(/:hostname/g, state.relayHostname) + dir.tunnel.pathname;
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handlers.tunnelUrl(state.wss, function () {
//console.log('[debug] after tunnelUrl');
if (!state.config.token && state.config.secret) {
var jwt = require('jsonwebtoken');
var tokenData = {
domains: Object.keys(state.config.servernames || {}).filter(function (name) {
return /\./.test(name);
})
, ports: Object.keys(state.config.ports || {}).filter(function (port) {
port = parseInt(port, 10);
return port > 0 && port <= 65535;
})
, aud: state.relayUrl
, iss: Math.round(Date.now() / 1000)
};
state.token = jwt.sign(tokenData, state.config.secret);
}
state.token = state.token || state.config.token;
if (state.token) {
//console.log('[debug] token via token or secret');
handlers.connect(state.token, function () {
handlers.end(null, function () {});
});
return;
}
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// backwards compat (TODO remove)
if (err || !dir || !dir.pair_request) {
//console.log('[debug] no dir, connect');
handlers.error(new Error("No token found or generated, and no pair_request api found."));
return;
}
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// TODO sign token with own private key, including public key and thumbprint
// (much like ACME JOSE account)
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var otp = state.otp || state._otp || '0000'; // common.otp();
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var authReq = state.authRequest || state._auth || {
subject: state.config.email
, subject_scheme: 'mailto'
// TODO create domains list earlier
, scope: Object.keys(state.config.servernames || {})
.concat(Object.keys(state.config.ports || {})).join(',')
, otp: otp
, hostname: os.hostname()
// Used for User-Agent
, os_type: os.type()
, os_platform: os.platform()
, os_release: os.release()
, os_arch: os.arch()
};
var pairRequestUrl = url.resolve('https://' + dir.api_host.replace(/:hostname/g, state.relayHostname), dir.pair_request.pathname);
var req = {
url: pairRequestUrl
, method: dir.pair_request.method
, json: authReq
};
var firstReq = true;
var firstReady = true;
function gotoNext(req) {
//console.log('[debug] gotoNext called');
urequest(req, function (err, resp, body) {
if (err) {
//console.log('[debug] gotoNext error');
err._request = req;
err._hint = '[telebitd.js] pair request';
handlers.error(err, function () {});
return;
}
function checkLocation() {
//console.log('[debug] checkLocation');
// pending, try again
if ('pending' === body.status && resp.headers.location) {
//console.log('[debug] pending');
setTimeout(gotoNext, 2 * 1000, { url: resp.headers.location, json: true });
return;
}
if ('ready' === body.status) {
//console.log('[debug] ready');
if (firstReady) {
//console.log('[debug] first ready');
firstReady = false;
state.token = body.access_token;
state.config.token = state.token;
handlers.offer(body.access_token, function () {
/*ignore*/
});
}
setTimeout(gotoNext, 2 * 1000, req);
return;
}
if ('complete' === body.status) {
//console.log('[debug] complete');
handlers.granted(null, function () {
handlers.end(null, function () {});
});
return;
}
//console.log('[debug] bad status');
var err = new Error("Bad State:" + body.status);
err._request = req;
handlers.error(err, function () {});
}
if (firstReq) {
//console.log('[debug] first req');
handlers.requested(authReq, function () {
handlers.connect(body.access_token || body.jwt, function () {
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var err;
if (!resp.headers.location) {
err = new Error("bad authentication request response");
err._resp = resp.toJSON();
handlers.error(err, function () {});
return;
}
setTimeout(gotoNext, 2 * 1000, { url: resp.headers.location, json: true });
});
});
firstReq = false;
return;
} else {
//console.log('[debug] other req');
checkLocation();
}
});
}
gotoNext(req);
});
}
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if (dir && dir.api_host) {
handlers.directory(dir, afterDir);
} else {
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// backwards compat
dir = { api_host: ':hostname', tunnel: { method: "wss", pathname: "" } };
afterDir();
}
});
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};
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common._init = function (rootpath, confpath) {
try {
mkdirp.sync(path.join(rootpath, 'var', 'log'));
mkdirp.sync(path.join(rootpath, 'var', 'run'));
mkdirp.sync(path.join(confpath));
} catch(e) {
console.error(e);
}
};