adjust flow
This commit is contained in:
parent
aa28f00a4b
commit
82b0fcf00f
63
lib/apis.js
63
lib/apis.js
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@ -124,6 +124,7 @@ module.exports.create = function (xconfx, apiFactories, apiDeps) {
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var tok = req.oauth3.token;
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var accountId = req.params.accountId || '__NO_ID_GIVEN__';
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var ppid;
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var iss = tok.iss;
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if (tok.sub && tok.sub.split(/,/g).filter(function (ppid) {
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return ppid === accountId;
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@ -131,6 +132,7 @@ module.exports.create = function (xconfx, apiFactories, apiDeps) {
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ppid = accountId;
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}
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// Deprecated backwards compat. To be removed.
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if (tok.axs && tok.axs.filter(function (acc) {
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return acc.id === accountId || acc.appScopedId === accountId;
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}).length) {
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@ -145,10 +147,9 @@ module.exports.create = function (xconfx, apiFactories, apiDeps) {
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return PromiseA.reject(new Error("missing accountId '" + accountId + "' in access token"));
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}
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return req.oauth3.rescope(ppid).then(function (accountIdx) {
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return req.oauth3.rescope().then(function (accountIdx) {
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req.oauth3.accountIdx = accountIdx;
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req.oauth3.ppid = ppid;
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req.oauth3.accountHash = crypto.createHash('sha1').update(accountIdx).digest('hex');
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//console.log('[walnut@daplie.com] accountIdx:', accountIdx);
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//console.log('[walnut@daplie.com] ppid:', ppid);
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@ -160,19 +161,31 @@ module.exports.create = function (xconfx, apiFactories, apiDeps) {
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}
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function accountRequired(req, res, next) {
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console.log('[accountRequired] [enter]');
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var myIss = req.experienceId;
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var isPpid;
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// if this already has auth, great
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if (req.oauth3.ppid && req.oauth3.accountIdx) {
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next();
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return;
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}
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// being public does not disallow authentication
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if (req.isPublic && !req.oauth3.encodedToken) {
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next();
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return;
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// except that if it's a ppid, we have to internally exchange it for the real token
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isPpid = (myIss === req.oauth3.iss && myIss !== req.oauth3.azp);
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if (!isPpid) {
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console.log('[accountRequired] has token already');
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console.log(req.oauth3);
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console.log('');
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next();
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return;
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}
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}
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if (!req.oauth3.encodedToken) {
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// being public does not disallow authentication
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if (req.isPublic) {
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next();
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return;
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}
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rejectableRequest(
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req
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, res
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@ -187,6 +200,7 @@ module.exports.create = function (xconfx, apiFactories, apiDeps) {
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var tok = req.oauth3.token;
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var ppid;
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var err;
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var iss = tok.iss;
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if (tok.sub) {
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if (tok.sub.split(/,/g).length > 1) {
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@ -195,25 +209,30 @@ module.exports.create = function (xconfx, apiFactories, apiDeps) {
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}
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ppid = tok.sub;
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}
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else if (tok.axs && tok.axs.length) {
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if (tok.axs.length > 1) {
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err = new Error("more than one 'axs' specified in token (also, update to using 'sub' instead)");
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return PromiseA.reject(err);
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}
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ppid = tok.axs[0].appScopedId || tok.axs[0].id;
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}
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else if (tok.acx) {
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ppid = tok.acx.appScopedId || tok.acx.id || tok.acx;
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}
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if (!ppid) {
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return PromiseA.reject(new Error("could not determine accountId from access token"));
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}
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return req.oauth3.rescope(ppid).then(function (accountIdx) {
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return req.oauth3.rescope().then(function (accountIdx) {
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console.log('[accountRequired] req.oauth3');
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console.log(accountIdx);
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var sub = accountIdx.split('@')[0];
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var iss = accountIdx.split('@')[1];
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var id = sub + '@' + iss;
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req.oauth3.profile = {
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id: id
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, sub: sub
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, iss: iss
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};
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req.oauth3.id = id;
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req.oauth3.sub = sub;
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req.oauth3.iss = iss;
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req.oauth3.accountIdx = accountIdx;
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req.oauth3.ppid = ppid;
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req.oauth3.accountHash = crypto.createHash('sha1').update(accountIdx).digest('hex');
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next();
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});
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216
lib/oauth3.js
216
lib/oauth3.js
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@ -2,7 +2,9 @@
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var PromiseA = require('bluebird');
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function generateRescope(req, Models, decoded, fullPpid, ppid) {
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function generateRescope(req, Models, decoded) {
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var fullPpid = decoded.sub+'@'+decoded.iss;
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var ppid = decoded.sub;
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return function (/*sub*/) {
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// TODO: this function is supposed to convert PPIDs of different parties to some account
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// ID that allows application to keep track of permisions and what-not.
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@ -26,6 +28,8 @@ function generateRescope(req, Models, decoded, fullPpid, ppid) {
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return result;
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}).then(function (result) {
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var err;
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if (!result || !result.sub || !decoded.iss) {
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// XXX BUG XXX TODO swap this external ppid for an internal (and ask user to link with existing profile)
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//req.oauth3.accountIdx = fullPpid;
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@ -35,13 +39,12 @@ function generateRescope(req, Models, decoded, fullPpid, ppid) {
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console.log('[DEBUG] fullPpid:', fullPpid);
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console.log('[DEBUG] ppid:', ppid);
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if (!req.oauth3.token.sub || !req.oauth3.token.iss) {
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throw new Error(
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"TODO: No profile found with that credential. Would you like to create a new profile or link to an existing profile?"
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);
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}
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return req.oauth3.token.sub + '@' + req.oauth3.token.iss;
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err = new Error(
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"TODO: No profile found with that credential. Would you like to create a new profile or link to an existing profile?"
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);
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err.code = "E_NO_PROFILE@oauth3.org"
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throw err;
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//return req.oauth3.token.sub + '@' + req.oauth3.token.iss;
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}
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// XXX BUG XXX need to pass own url in to use as issuer for own tokens
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@ -56,52 +59,8 @@ function generateRescope(req, Models, decoded, fullPpid, ppid) {
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};
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}
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function extractAccessToken(req) {
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var token = null;
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var parts;
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var scheme;
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var credentials;
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if (req.headers && req.headers.authorization) {
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// Works for all of Authorization: Bearer {{ token }}, Token {{ token }}, JWT {{ token }}
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parts = req.headers.authorization.split(' ');
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if (parts.length !== 2) {
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return PromiseA.reject(new Error("malformed Authorization header"));
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}
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scheme = parts[0];
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credentials = parts[1];
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if (-1 !== ['token', 'bearer'].indexOf(scheme.toLowerCase())) {
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token = credentials;
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}
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}
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if (req.body && req.body.access_token) {
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if (token) { PromiseA.reject(new Error("token exists in header and body")); }
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token = req.body.access_token;
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}
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// TODO disallow query with req.method === 'GET'
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// NOTE: the case of DDNS on routers requires a GET and access_token
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// (cookies should be used for protected static assets)
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if (req.query && req.query.access_token) {
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if (token) { PromiseA.reject(new Error("token already exists in either header or body and also in query")); }
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token = req.query.access_token;
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}
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/*
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err = new Error(challenge());
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err.code = 'E_BEARER_REALM';
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if (!token) { return PromiseA.reject(err); }
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*/
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return PromiseA.resolve(token);
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}
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function verifyToken(token) {
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function verifyToken(token, opts) {
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opts = opts || { audiences: [], complete: false };
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var jwt = require('jsonwebtoken');
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var decoded;
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@ -116,6 +75,7 @@ function verifyToken(token) {
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try {
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decoded = jwt.decode(token, {complete: true});
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} catch (e) {}
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if (!decoded) {
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return PromiseA.reject({
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message: 'provided token not a JSON Web Token'
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@ -148,6 +108,27 @@ function verifyToken(token) {
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});
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}
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var audMatch = decoded.payload.aud && ('*' === decoded.payload.aud || opts.audiences.some(function (aud) { return -1 !== decoded.payload.aud.split(',').indexOf(aud); }));
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var azpMatch = decoded.payload.azp && ('*' === decoded.payload.azp || opts.audiences.some(function (aud) { return -1 !== decoded.payload.azp.split(',').indexOf(aud); }));
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if (!audMatch) {
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console.log("[verifyToken] 'aud' '" + decoded.payload.aud + "' does not match '" + opts.audiences.join(',') + "'");
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}
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// TODO needs an option to verify that the sender of the token was, in fact, the azp (i.e. the Origin and/or Referer Headers)
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if (!azpMatch) {
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console.log("[verifyToken] 'azp' '" + decoded.payload.azp + "' does not match '" + opts.audiences.join(',') + "'");
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}
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if (!audMatch && !azpMatch) {
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err = new Error(
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"Application '" + req.experienceId + "' refused token because '" + decoded.payload.aud + "' is not an accepted audience (aud)"
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+ " and '" + decoded.payload.azp + "' is not an authorized party (azp)"
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);
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err.code = 'E_TOKEN_AUD';
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err.url = 'https://oauth3.org/docs/errors#E_TOKEN_AUD'
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return PromiseA.reject(err);
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}
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var OAUTH3 = require('oauth3.js');
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OAUTH3._hooks = require('oauth3.js/oauth3.node.storage.js');
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return OAUTH3.discover(decoded.payload.iss).then(function (directives) {
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@ -206,15 +187,18 @@ function verifyToken(token) {
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if (res.data.error) {
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return PromiseA.reject(res.data.error);
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}
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var opts = {};
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var opts2 = {};
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if (Array.isArray(res.data.alg)) {
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opts.algorithms = res.data.alg;
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opts2.algorithms = res.data.alg;
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} else if (typeof res.data.alg === 'string') {
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opts.algorithms = [res.data.alg];
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opts2.algorithms = [res.data.alg];
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}
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try {
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return jwt.verify(token, require('jwk-to-pem')(res.data), opts);
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if (opts.complete) {
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opts2.complete = true;
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}
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return jwt.verify(token, require('jwk-to-pem')(res.data), opts2);
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} catch (err) {
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if ('TokenExpiredError' === err.name) {
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return PromiseA.reject({
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@ -243,6 +227,39 @@ function deepFreeze(obj) {
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Object.freeze(obj);
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}
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function fiddleOauth3(Models, req) {
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var token = req.oauth3.encodedToken;
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req.oauth3.verifyAsync = function (jwt, opts) {
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return verifyToken(jwt || token, opts || { audiences: [ req.experienceId ] });
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};
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if (!token) {
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return PromiseA.resolve(null);
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}
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return verifyToken(token, { complete: false, audiences: [ req.experienceId ] }).then(function (decoded) {
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var err;
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req.oauth3.token = decoded;
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if (!decoded) {
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return null;
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}
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req.oauth3.ppid = decoded.sub;
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req.oauth3.id = decoded.sub + '@' + decoded.iss;
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req.oauth3.sub = decoded.sub;
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req.oauth3.iss = decoded.iss;
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req.oauth3.azp = decoded.azp;
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req.oauth3.aud = decoded.aud;
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req.oauth3.accountIdx = req.oauth3.id;
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req.oauth3.rescope = generateRescope(req, Models, decoded);
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});
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}
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function cookieOauth3(Models, req, res, next) {
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req.oauth3 = {};
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@ -250,26 +267,7 @@ function cookieOauth3(Models, req, res, next) {
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var token = req.cookies[cookieName];
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req.oauth3.encodedToken = token;
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req.oauth3.verifyAsync = function (jwt) {
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return verifyToken(jwt || token);
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};
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return verifyToken(token).then(function (decoded) {
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req.oauth3.token = decoded;
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if (!decoded) {
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return null;
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}
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var ppid = decoded.sub || decoded.ppid || decoded.appScopedId;
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req.oauth3.ppid = ppid;
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req.oauth3.accountIdx = ppid+'@'+decoded.iss;
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var hash = require('crypto').createHash('sha256').update(req.oauth3.accountIdx).digest('base64');
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hash = hash.replace(/\+/g, '-').replace(/\//g, '_').replace(/\=+/g, '');
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req.oauth3.accountHash = hash;
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req.oauth3.rescope = generateRescope(req, Models, decoded, fullPpid, ppid);
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}).then(function () {
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fiddleOauth3(Models, req).then(function () {
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deepFreeze(req.oauth3);
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//Object.defineProperty(req, 'oauth3', {configurable: false, writable: false});
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next();
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@ -292,37 +290,49 @@ function cookieOauth3(Models, req, res, next) {
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function attachOauth3(Models, req, res, next) {
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req.oauth3 = {};
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extractAccessToken(req).then(function (token) {
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req.oauth3.encodedToken = token;
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req.oauth3.verifyAsync = function (jwt) {
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return verifyToken(jwt || token);
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};
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var token = null;
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var parts;
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var scheme;
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var credentials;
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if (!token) {
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return null;
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}
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return verifyToken(token);
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}).then(function (decoded) {
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req.oauth3.token = decoded;
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if (!decoded) {
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return null;
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if (req.headers && req.headers.authorization) {
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// Works for all of Authorization: Bearer {{ token }}, Token {{ token }}, JWT {{ token }}
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parts = req.headers.authorization.split(' ');
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if (parts.length !== 2) {
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return PromiseA.reject(new Error("malformed Authorization header"));
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}
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var ppid = decoded.sub || decoded.ppid || decoded.appScopedId;
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var fullPpid = ppid+'@'+decoded.iss;
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req.oauth3.ppid = ppid;
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scheme = parts[0];
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credentials = parts[1];
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// TODO we can anonymize the relationship between our user as the other service's user
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// in our own database by hashing the remote service's ppid and using that as the lookup
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var hash = require('crypto').createHash('sha256').update(fullPpid).digest('base64');
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hash = hash.replace(/\+/g, '-').replace(/\//g, '_').replace(/\=+/g, '');
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req.oauth3.accountHash = hash;
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if (-1 !== ['token', 'bearer'].indexOf(scheme.toLowerCase())) {
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token = credentials;
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}
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}
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req.oauth3.rescope = generateRescope(req, Models, decoded, fullPpid, ppid);
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if (req.body && req.body.access_token) {
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if (token) { PromiseA.reject(new Error("token exists in header and body")); }
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token = req.body.access_token;
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}
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console.log('############### assigned req.oauth3:');
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console.log(req.oauth3);
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}).then(function () {
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// TODO disallow query with req.method === 'GET'
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// NOTE: the case of DDNS on routers requires a GET and access_token
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// (cookies should be used for protected static assets)
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if (req.query && req.query.access_token) {
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if (token) { PromiseA.reject(new Error("token already exists in either header or body and also in query")); }
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token = req.query.access_token;
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}
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/*
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err = new Error(challenge());
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err.code = 'E_BEARER_REALM';
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if (!token) { return PromiseA.reject(err); }
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*/
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req.oauth3.encodedToken = token;
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fiddleOauth3(Models, req).then(function () {
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//deepFreeze(req.oauth3);
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//Object.defineProperty(req, 'oauth3', {configurable: false, writable: false});
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next();
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