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Added mfa support using temporary credentials. #56

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Added mfa support using temporary credentials. #56

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6 changes: 5 additions & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,11 @@ Where cluster-endpoint can be either a URL (i.e. https://search-xxxxx.us-west-2.
Alternatively, you can set the _AWS_PROFILE_ environment variable

AWS_PROFILE=myprofile aws-es-kibana <cluster-endpoint>


With MFA Enabled on your IAM Account (can be a hardware device serial number, or virtual device such as Google Authenticator, like example below)

aws-es-kibana <cluster-endpoint> --mfa-serial arn:aws:iam::<AWS Account Number>:mfa/<username> --mfa-token <current token value>

Example with hostname as cluster-endpoint:

![aws-es-kibana](https://raw.githubusercontent.com/santthosh/aws-es-kibana/master/aws-es-kibana.png)
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81 changes: 54 additions & 27 deletions index.js
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Expand Up @@ -36,22 +36,22 @@ var yargs = require('yargs')
type: 'string'
})
.option('u', {
alias: 'user',
default: process.env.AUTH_USER ||process.env.USER,
demand: false,
describe: 'the username to access the proxy'
alias: 'user',
default: process.env.AUTH_USER || process.env.USER,
demand: false,
describe: 'the username to access the proxy'
})
.option('a', {
alias: 'password',
default: process.env.AUTH_PASSWORD || process.env.PASSWORD,
demand: false,
describe: 'the password to access the proxy'
alias: 'password',
default: process.env.AUTH_PASSWORD || process.env.PASSWORD,
demand: false,
describe: 'the password to access the proxy'
})
.option('s', {
alias: 'silent',
default: false,
demand: false,
describe: 'remove figlet banner'
alias: 'silent',
default: false,
demand: false,
describe: 'remove figlet banner'
})
.option('H', {
alias: 'health-path',
Expand All @@ -61,10 +61,24 @@ var yargs = require('yargs')
type: 'string'
})
.option('l', {
alias: 'limit',
default: process.env.LIMIT || '10000kb',
demand: false,
describe: 'request limit'
alias: 'limit',
default: process.env.LIMIT || '10000kb',
demand: false,
describe: 'request limit'
})
.option('t', {
alias: 'mfa-token',
default: process.env.MFA_TOKEN,
demand: false,
describe: 'mfa token',
type: 'string'
})
.option('sr', {
alias: 'mfa-serial',
default: process.env.MFA_SERIAL,
demand: false,
describe: 'mfa serial (hardware device serial or virtual device arn)',
type: 'string'
})
.help()
.version()
Expand All @@ -86,7 +100,7 @@ if (!REGION) {
REGION = m[1];
} else {
console.error('region cannot be parsed from endpoint address, either the endpoint must end ' +
'in .<region>.es.amazonaws.com or --region should be provided as an argument');
'in .<region>.es.amazonaws.com or --region should be provided as an argument');
yargs.showHelp();
process.exit(1);
}
Expand All @@ -104,15 +118,28 @@ var REQ_LIMIT = argv.l;
var credentials;

var PROFILE = process.env.AWS_PROFILE;
var SERIAL = argv.sr;
var TOKEN = argv.t;

if (!PROFILE) {
if (!PROFILE && (!TOKEN || !SERIAL)) {
var chain = new AWS.CredentialProviderChain();
chain.resolve(function (err, resolved) {
if (err) throw err;
else credentials = resolved;
});
} else {
credentials = new AWS.SharedIniFileCredentials({profile: PROFILE});
var credentialOptions = {};
if (PROFILE) credentialOptions.profile = PROFILE;
credentials = new AWS.SharedIniFileCredentials(credentialOptions);

if (TOKEN && SERIAL) {
var params = {
SerialNumber: SERIAL,
TokenCode: TOKEN,
};
credentials = new AWS.TemporaryCredentials(params, credentials);
}

AWS.config.credentials = credentials;
}

Expand Down Expand Up @@ -145,16 +172,16 @@ if (argv.H) {

if (argv.u && argv.a) {

var users = {};
var user = process.env.USER || process.env.AUTH_USER;
var pass = process.env.PASSWORD || process.env.AUTH_PASSWORD;
var users = {};
var user = process.env.USER || process.env.AUTH_USER;
var pass = process.env.PASSWORD || process.env.AUTH_PASSWORD;

users[user] = pass;
users[user] = pass;

app.use(basicAuth({
users: users,
challenge: true
}));
app.use(basicAuth({
users: users,
challenge: true
}));
}

app.use(async function (req, res) {
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