483 lines
17 KiB
JavaScript
483 lines
17 KiB
JavaScript
'use strict';
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var crypto = require('crypto');
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var PromiseA = require('bluebird');
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var OpErr = PromiseA.OperationalError;
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var makeB64UrlSafe = require('./common').makeB64UrlSafe;
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function retrieveOtp(codeStore, codeId) {
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return codeStore.get(codeId).then(function (code) {
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if (!code) {
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return null;
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}
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var expires = (new Date(code.expires)).valueOf();
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if (!expires || Date.now() > expires) {
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return codeStore.destroy(codeId).then(function () {
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return null;
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});
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}
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return code;
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});
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}
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function validateOtp(codeStore, codeId, token) {
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if (!codeId) {
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return PromiseA.reject(new Error("Must provide authcode ID"));
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}
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if (!token) {
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return PromiseA.reject(new Error("Must provide authcode code"));
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}
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return codeStore.get(codeId).then(function (code) {
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if (!code) {
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throw new OpErr('authcode specified does not exist or has expired');
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}
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return PromiseA.resolve().then(function () {
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var attemptsLeft = 3 - (code.attempts && code.attempts.length || 0);
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if (attemptsLeft <= 0) {
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throw new OpErr('you have tried to authorize this code too many times');
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}
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if (code.code !== token) {
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throw new OpErr('you have entered the code incorrectly. '+attemptsLeft+' attempts remaining');
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}
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// TODO: maybe impose a rate limit, although going fast doesn't help you break the
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// system when you can only try 3 times total.
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}).then(function () {
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return codeStore.destroy(codeId).then(function () {
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return code;
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});
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}, function (err) {
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code.attempts = code.attempts || [];
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code.attempts.unshift(new Date());
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return codeStore.upsert(codeId, code).then(function () {
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return PromiseA.reject(err);
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}, function () {
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return PromiseA.reject(err);
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});
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});
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});
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}
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function getOrCreate(store, username) {
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return store.IssuerOauth3OrgAccounts.get(username).then(function (account) {
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if (account) {
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return account;
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}
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account = {
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username: username,
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accountId: makeB64UrlSafe(crypto.randomBytes(32).toString('base64')),
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};
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return store.IssuerOauth3OrgAccounts.create(username, account).then(function () {
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// TODO: put sort sort of email notification to the server managers?
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return account;
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});
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});
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}
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function getPrivKey(store, experienceId) {
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return store.IssuerOauth3OrgPrivateKeys.get(experienceId).then(function (jwk) {
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if (jwk) {
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return jwk;
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}
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var keyPair = require('elliptic').ec('p256').genKeyPair();
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jwk = {
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kty: 'EC',
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crv: 'P-256',
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alg: 'ES256',
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kid: experienceId,
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x: makeB64UrlSafe(keyPair.getPublic().getX().toArrayLike(Buffer).toString('base64')),
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y: makeB64UrlSafe(keyPair.getPublic().getY().toArrayLike(Buffer).toString('base64')),
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d: makeB64UrlSafe(keyPair.getPrivate().toArrayLike(Buffer).toString('base64')),
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};
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return store.IssuerOauth3OrgPrivateKeys.upsert(experienceId, jwk).then(function () {
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return jwk;
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});
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});
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}
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function timespan(duration, max) {
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var timestamp = Math.floor(Date.now() / 1000);
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if (!duration) {
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return;
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}
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if (typeof duration === 'string') {
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duration = Math.floor(require('ms')(duration) / 1000) || 0;
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}
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if (typeof duration !== 'number') {
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return 0;
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}
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// Handle the case where the user gave us a timestamp instead of duration for the expiration.
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// Also make the maximum explicitly defined expiration as one year.
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if (duration > 31557600) {
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if (duration > timestamp) {
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return duration - timestamp;
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} else {
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return 31557600;
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}
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}
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if (max && timestamp+duration > max) {
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return max - timestamp;
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}
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return duration;
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}
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function createOtp(store, params) {
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return PromiseA.resolve().then(function () {
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if (!params || !params.username) {
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throw new OpErr("must provide the email address as 'username' in the body");
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}
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if ((params.username_type && 'email' !== params.username_type) || !/@/.test(params.username)) {
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throw new OpErr("only email one-time login codes are supported at this time");
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}
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params.username_type = 'email';
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var codeStore = store.IssuerOauth3OrgCodes;
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var codeId = crypto.createHash('sha256').update(params.username_type+':'+params.username).digest('base64');
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codeId = makeB64UrlSafe(codeId);
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return retrieveOtp(codeStore, codeId).then(function (code) {
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if (code) {
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return code;
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}
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var token = '';
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while (!/^\d{4}-\d{4}-\d{4}$/.test(token)) {
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// Most of the number we can generate this was start with 1 (and no matter what can't
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// start with 0), so we don't use the very first digit. Also basically all of the
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// numbers are too big to accurately store in JS floats, so we limit the trailing 0's.
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token = (parseInt(crypto.randomBytes(8).toString('hex'), 16)).toString()
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.replace(/0+$/, '0').replace(/\d(\d{4})(\d{4})(\d{4}).*/, '$1-$2-$3');
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}
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code = {
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id: codeId,
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code: token,
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expires: new Date(Date.now() + 20*60*1000),
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node: { type: params.username_type, node: params.username }
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};
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return codeStore.upsert(codeId, code).then(function (){
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return code;
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});
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});
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});
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}
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function create(app) {
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var restful = {};
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restful.sendOtp = function (req, res) {
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var params = req.body;
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var promise = req.getSiteStore().then(function (store) {
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return createOtp(store, params).then(function (code) {
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var emailParams = {
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to: params.username,
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from: 'login@daplie.com',
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replyTo: 'hello@daplie.com',
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subject: "Use " + code.code + " as your Login Code",
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text: "Your login code is:\n\n"
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+ code.code
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+ "\n\nThis email address was used to request to add your Hello ID to a device."
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+ "\nIf you did not make the request you can safely ignore this message."
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};
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emailParams['h:Reply-To'] = emailParams.replyTo;
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return req.getSiteCapability('email@daplie.com').then(function (mailer) {
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return mailer.sendMailAsync(emailParams).then(function () {
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return {
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code_id: code.id,
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expires: code.expires,
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created: new Date(parseInt(code.createdAt, 10) || code.createdAt),
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};
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});
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});
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});
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});
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app.handlePromise(req, res, promise, '[issuer@oauth3.org] send one-time-password');
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};
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restful.createToken = function (req, res) {
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var store;
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var promise = req.getSiteStore().then(function (_store) {
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store = _store;
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if (!req.body || !req.body.grant_type) {
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throw new OpErr("missing 'grant_type' from the body");
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}
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if (req.body.grant_type === 'password') {
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return restful.createToken.password(req);
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}
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if (req.body.grant_type === 'issuer_token') {
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return restful.createToken.issuerToken(req);
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}
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if (req.body.grant_type === 'refresh_token') {
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return restful.createToken.refreshToken(req);
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}
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throw new OpErr("unknown or un-implemented grant_type '"+req.body.grant_type+"'");
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}).then(function (token_info) {
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token_info.iss = req.experienceId;
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if (!token_info.aud) {
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throw new OpErr("missing required token field 'aud'");
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}
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if (!token_info.azp) {
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throw new OpErr("missing required token field 'azp'");
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}
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if (token_info.iss === token_info.azp) {
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// We don't have normal grants for the issuer, so we don't need to look the
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// azpSub or the grants up in the database.
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token_info.azpSub = token_info.sub;
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token_info.scope = '';
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return token_info;
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}
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var search = {};
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['sub', 'azp', 'azpSub'].forEach(function (key) {
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if (token_info[key]) {
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search[key] = token_info[key];
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}
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});
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return store.IssuerOauth3OrgGrants.find(search).then(function (grants) {
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if (!grants.length) {
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throw new OpErr("'"+token_info.azp+"' not given any grants from '"+(token_info.sub || token_info.azpSub)+"'");
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}
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if (grants.length > 1) {
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throw new Error("unexpected resource collision: too many relevant grants");
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}
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var grant = grants[0];
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Object.keys(grant).forEach(function (key) {
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token_info[key] = grant[key];
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});
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return token_info;
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});
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}).then(function (token_info) {
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return getPrivKey(store, req.experienceId).then(function (jwk) {
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var pem = require('jwk-to-pem')(jwk, { private: true });
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var payload = {
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// standard
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iss: token_info.iss, // https://tools.ietf.org/html/draft-ietf-oauth-json-web-token-32#section-4.1.1
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aud: token_info.aud, // https://tools.ietf.org/html/draft-ietf-oauth-json-web-token-32#section-4.1.3
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azp: token_info.azp,
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sub: token_info.azpSub, // https://tools.ietf.org/html/draft-ietf-oauth-json-web-token-32#section-4.1.2
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// extended
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scp: token_info.scope,
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};
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var opts = {
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algorithm: jwk.alg,
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header: {
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kid: jwk.kid
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}
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};
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var accessOpts = {};
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// We set `expiresIn` like this to make it possible to send `null` and `exp` to have
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// no expiration while still having a default of 1 day.
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if (req.body.hasOwnProperty('exp')) {
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accessOpts.expiresIn = timespan(req.body.exp, token_info.exp);
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} else {
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accessOpts.expiresIn = timespan('1h', token_info.exp);
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}
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var refreshOpts = {};
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refreshOpts.expiresIn = timespan(req.body.refresh_exp, token_info.exp);
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var jwt = require('jsonwebtoken');
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var result = {};
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result.scope = token_info.scope;
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result.access_token = jwt.sign(payload, pem, Object.assign(accessOpts, opts));
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if (req.body.refresh_token) {
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if (token_info.refresh_token) {
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result.refresh_token = token_info.refresh_token;
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} else {
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result.refresh_token = jwt.sign(payload, pem, Object.assign(refreshOpts, opts));
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}
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}
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return result;
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});
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});
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app.handlePromise(req, res, promise, '[issuer@oauth3.org] create tokens');
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};
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restful.createToken.password = function (req) {
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var params = req.body;
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if (!params || !params.username) {
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return PromiseA.reject(PromiseA.OperationalError("must provide the email address as 'username' in the body"));
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}
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if ((params.username_type && 'email' !== params.username_type) || !/@/.test(params.username)) {
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return PromiseA.reject(PromiseA.OperationalError("only email one-time login codes are supported at this time"));
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}
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params.username_type = 'email';
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if (!params.password) {
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return PromiseA.reject(new OpErr("request missing 'password'"));
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}
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var codeId = crypto.createHash('sha256').update(params.username_type+':'+params.username).digest('base64');
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codeId = makeB64UrlSafe(codeId);
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return req.getSiteStore().then(function (store) {
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return validateOtp(store.IssuerOauth3OrgCodes, codeId, params.password)
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.then(function () {
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return getOrCreate(store, params.username);
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}).then(function (account) {
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var contactClaimId = crypto.createHash('sha256').update(account.accountId+':'+params.username_type+':'+params.username).digest('base64');
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return req.Models.IssuerOauth3OrgContactNodes.get(contactClaimId).then(function (contactClaim) {
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var now = Date.now();
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if (!contactClaim) { contactClaim = { id: contactClaimId }; }
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if (!contactClaim.verifiedAt) { contactClaim.verifiedAt = now; }
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contactClaim.lastVerifiedAt = now;
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console.log('contactClaim');
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console.log(contactClaim);
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return req.Models.IssuerOauth3OrgContactNodes.upsert(contactClaim).then(function () {
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return {
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sub: account.accountId,
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aud: req.params.aud || req.body.aud || req.experienceId,
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azp: req.params.azp || req.body.azp || req.body.client_id || req.body.client_uri || req.experienceId,
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};
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});
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});
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});
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});
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};
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restful.createToken.issuerToken = function (req) {
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return require('./common').checkIssuerToken(req, req.params.sub || req.body.sub).then(function (sub) {
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return {
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sub: sub,
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aud: req.params.aud || req.body.aud || req.experienceId,
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azp: req.params.azp || req.body.azp || req.body.client_id || req.body.client_uri,
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exp: req.oauth3.token.exp,
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};
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});
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};
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restful.createToken.refreshToken = function (req) {
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return PromiseA.resolve().then(function () {
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if (!req.body.refresh_token) {
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throw new OpErr("missing refresh token");
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}
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return req.oauth3.verifyAsync(req.body.refresh_token).then(function (token) {
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return {
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sub: token.sub,
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aud: token.aud,
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azp: token.azp,
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exp: token.exp,
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refresh_token: req.body.refresh_token,
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};
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});
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});
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};
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restful.getProfile = function (req, res) {
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var promise = req.Models.IssuerOauth3OrgAccounts.get(req.oauth3.accountIdx).then(function (result) {
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if (!result) { result = { id: undefined }; }
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result.id = undefined;
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return result;
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});
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app.handlePromise(req, res, promise, '[issuer@oauth3.org] get profile');
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};
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restful.setProfile = function (req, res) {
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console.log('req.oauth3');
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console.log(req.oauth3);
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var body = req.body;
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var promise = req.Models.IssuerOauth3OrgAccounts.find({ accountId: req.oauth3.ppid }).then(function (results) {
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var result = results[0];
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var changed = false;
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console.log('get gotten');
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console.log(results);
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if (!result) { throw new OpErr("account could not be found"); /*result = { accountId: req.oauth3.accountIdx, displayName: '', firstName: '', lastName: '', avatarUrl: '' };*/ }
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// TODO schema for validation
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[ 'firstName', 'lastName', 'avatarUrl', 'displayName' ].forEach(function (key) {
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if ('string' === typeof body[key] && -1 === [ 'null', 'undefined' ].indexOf(body[key])) {
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if (result[key] !== body[key]) {
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result[key] = body[key];
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changed = true;
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}
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}
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});
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if (changed) {
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return req.Models.IssuerOauth3OrgAccounts.upsert(result).then(function () { console.log('update updated'); return result; });
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}
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return result;
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}).then(function (result) {
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result.id = undefined;
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});
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app.handlePromise(req, res, promise, '[issuer@oauth3.org] set profile');
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};
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restful.listContactNodes = function (req, res) {
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};
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restful.claimContact = function (req, res) {
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var type = req.body.type;
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var node = req.body.node;
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var promise = createOtp(req.Models, { username_type: type, username: node }).then(function (code) {
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var emailParams = {
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to: node,
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from: 'login@daplie.com',
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replyTo: 'hello@daplie.com',
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subject: "Verify your email address: " + code.code,
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text: "Your verification code is:\n\n"
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+ code.code
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+ "\n\nThis email address was requested to be used with Hello ID."
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+ "\nIf you did not make the request you can safely ignore this message."
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};
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emailParams['h:Reply-To'] = emailParams.replyTo;
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return req.getSiteCapability('email@daplie.com').then(function (mailer) {
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return mailer.sendMailAsync(emailParams).then(function () {
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return {
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code_id: code.id,
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expires: code.expires,
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created: new Date(parseInt(code.createdAt, 10) || code.createdAt),
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};
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});
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});
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});
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app.handlePromise(req, res, promise, '[issuer@oauth3.org] claim contact');
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};
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restful.verifyContact = function (req, res) {
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var codeId = req.params.id;
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var challenge = req.body.challenge || req.body.token || req.body.code;
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var store = req.Models;
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var promise = validateOtp(store.IssuerOauth3OrgCodes, codeId, challenge).then(function (code) {
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if (!code.node || !code.node.type || !code.node.node) {
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throw new OpErr("code didn't have contact node and type information");
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}
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var contactClaimId = crypto.createHash('sha256').update(req.oauth3.accountIdx+':'+code.node.type+':'+code.node.node).digest('base64');
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return req.Models.IssuerOauth3OrgContactNodes.get(contactClaimId).then(function (contactClaim) {
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var now = Date.now();
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if (!contactClaim) { contactClaim = { id: contactClaimId }; }
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if (!contactClaim.verifiedAt) { contactClaim.verifiedAt = now; }
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contactClaim.lastVerifiedAt = now;
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return req.Models.IssuerOauth3OrgContactNodes.upsert(contactClaim).then(function () {
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return { success: true };
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});
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});
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});
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app.handlePromise(req, res, promise, '[issuer@oauth3.org] verify contact');
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};
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return {
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restful: restful,
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};
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}
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module.exports.create = create;
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