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refactored keychaindao
This commit is contained in:
Tankred Hase
parent
e7185a8baa
commit
5d409933e5
@ -2,264 +2,270 @@
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* A high-level Data-Access Api for handling Keypair synchronization
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* between the cloud service and the device's local storage
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*/
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app.dao.KeychainDAO = function(jsonDao, cloudstorage) {
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define(['underscore', 'js/dao/lawnchair-dao'], function(_, jsonDao) {
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'use strict';
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/**
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* Get an array of public keys by looking in local storage and
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* fetching missing keys from the cloud service.
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* @param ids [Array] the key ids as [{_id, userId}]
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* @return [PublicKeyCollection] The requiested public keys
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*/
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this.getPublicKeys = function(ids, callback) {
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var already, pubkeys = [];
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var KeychainDAO = function(cloudstorage) {
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var self = this;
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var after = _.after(ids.length, function() {
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callback(null, pubkeys);
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});
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/**
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* Get an array of public keys by looking in local storage and
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* fetching missing keys from the cloud service.
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* @param ids [Array] the key ids as [{_id, userId}]
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* @return [PublicKeyCollection] The requiested public keys
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*/
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self.getPublicKeys = function(ids, callback) {
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var already, pubkeys = [];
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_.each(ids, function(i) {
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// lookup locally and in storage
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lookupPublicKey(i._id, function(err, pubkey) {
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if (err || !pubkey) {
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callback({
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errMsg: 'Error looking up public key!',
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err: err
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});
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return;
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}
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// check if public key with that id has already been fetched
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already = null;
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already = _.findWhere(pubkeys, {
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_id: i._id
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});
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if (!already) {
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pubkeys.push(pubkey);
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}
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after(); // asynchronously iterate through objects
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});
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});
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};
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/**
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* Gets the local user's key either from local storage
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* or fetches it from the cloud. The private key is encrypted.
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* If no key pair exists, null is returned.
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* return [Object] The user's key pair {publicKey, privateKey}
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*/
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this.getUserKeyPair = function(userId, callback) {
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// search for user's public key locally
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jsonDao.list('publickey', 0, null, function(allPubkeys) {
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var pubkey = _.findWhere(allPubkeys, {
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userId: userId
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var after = _.after(ids.length, function() {
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callback(null, pubkeys);
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});
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if (!pubkey || !pubkey._id) {
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// no public key by that user id in storage
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// find from cloud by email address
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cloudstorage.getPublicKeyByUserId(userId, function(err, cloudPubkey) {
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if (err) {
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callback(err);
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return;
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}
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if (cloudPubkey && cloudPubkey._id) {
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// there is a public key for that user already in the cloud...
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// sync keypair to local storage
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syncKeypair(cloudPubkey._id);
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} else {
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// continue without keypair... generate in crypto.js
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callback();
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return;
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}
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});
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} else {
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// that user's public key is already in local storage...
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// sync keypair to the cloud
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syncKeypair(pubkey._id);
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}
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});
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function syncKeypair(keypairId) {
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// persist key pair in local storage
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lookupPublicKey(keypairId, function(err, savedPubkey) {
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if (err) {
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callback(err);
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return;
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}
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// persist private key in local storage
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lookupPrivateKey(keypairId, function(err, savedPrivkey) {
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if (err) {
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callback(err);
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return;
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}
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// validate fetched key
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if (savedPubkey && savedPubkey.publicKey && savedPrivkey && savedPrivkey.encryptedKey) {
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callback(null, {
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publicKey: savedPubkey,
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privateKey: savedPrivkey
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_.each(ids, function(i) {
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// lookup locally and in storage
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lookupPublicKey(i._id, function(err, pubkey) {
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if (err || !pubkey) {
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callback({
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errMsg: 'Error looking up public key!',
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err: err
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});
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return;
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} else {
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// continue without keypair... generate in crypto.js
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callback();
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return;
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}
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// check if public key with that id has already been fetched
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already = null;
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already = _.findWhere(pubkeys, {
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_id: i._id
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});
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if (!already) {
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pubkeys.push(pubkey);
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}
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after(); // asynchronously iterate through objects
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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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* Checks to see if the user's key pair is stored both
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* locally and in the cloud and persist arccordingly
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* @param [Object] The user's key pair {publicKey, privateKey}
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*/
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this.putUserKeyPair = function(keypair, callback) {
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// validate input
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if (!keypair || !keypair.publicKey || !keypair.privateKey || !keypair.publicKey.userId || keypair.publicKey.userId !== keypair.privateKey.userId) {
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callback({
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errMsg: 'Incorrect input!'
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/**
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* Gets the local user's key either from local storage
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* or fetches it from the cloud. The private key is encrypted.
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* If no key pair exists, null is returned.
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* return [Object] The user's key pair {publicKey, privateKey}
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*/
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self.getUserKeyPair = function(userId, callback) {
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// search for user's public key locally
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jsonDao.list('publickey', 0, null, function(allPubkeys) {
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var pubkey = _.findWhere(allPubkeys, {
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userId: userId
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});
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if (!pubkey || !pubkey._id) {
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// no public key by that user id in storage
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// find from cloud by email address
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cloudstorage.getPublicKeyByUserId(userId, function(err, cloudPubkey) {
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if (err) {
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callback(err);
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return;
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}
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if (cloudPubkey && cloudPubkey._id) {
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// there is a public key for that user already in the cloud...
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// sync keypair to local storage
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syncKeypair(cloudPubkey._id);
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} else {
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// continue without keypair... generate in crypto.js
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callback();
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return;
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}
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});
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} else {
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// that user's public key is already in local storage...
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// sync keypair to the cloud
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syncKeypair(pubkey._id);
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}
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});
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return;
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}
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// store public key locally
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saveLocalPublicKey(keypair.publicKey, function(err) {
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if (err) {
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callback(err);
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function syncKeypair(keypairId) {
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// persist key pair in local storage
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lookupPublicKey(keypairId, function(err, savedPubkey) {
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if (err) {
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callback(err);
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return;
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}
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// persist private key in local storage
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lookupPrivateKey(keypairId, function(err, savedPrivkey) {
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if (err) {
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callback(err);
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return;
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}
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// validate fetched key
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if (savedPubkey && savedPubkey.publicKey && savedPrivkey && savedPrivkey.encryptedKey) {
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callback(null, {
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publicKey: savedPubkey,
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privateKey: savedPrivkey
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});
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return;
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} else {
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// continue without keypair... generate in crypto.js
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callback();
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return;
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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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* Checks to see if the user's key pair is stored both
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* locally and in the cloud and persist arccordingly
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* @param [Object] The user's key pair {publicKey, privateKey}
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*/
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self.putUserKeyPair = function(keypair, callback) {
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// validate input
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if (!keypair || !keypair.publicKey || !keypair.privateKey || !keypair.publicKey.userId || keypair.publicKey.userId !== keypair.privateKey.userId) {
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callback({
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errMsg: 'Incorrect input!'
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});
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return;
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}
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// persist public key in cloud storage
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cloudstorage.putPublicKey(keypair.publicKey, function(err) {
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// validate result
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// store public key locally
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saveLocalPublicKey(keypair.publicKey, function(err) {
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if (err) {
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callback(err);
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return;
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}
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// store private key locally
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saveLocalPrivateKey(keypair.privateKey, function(err) {
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// persist public key in cloud storage
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cloudstorage.putPublicKey(keypair.publicKey, function(err) {
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// validate result
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if (err) {
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callback(err);
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return;
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}
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// persist private key in cloud storage
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cloudstorage.putPrivateKey(keypair.privateKey, function(err) {
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// validate result
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// store private key locally
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saveLocalPrivateKey(keypair.privateKey, function(err) {
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if (err) {
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callback(err);
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return;
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}
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callback(null);
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// persist private key in cloud storage
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cloudstorage.putPrivateKey(keypair.privateKey, function(err) {
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// validate result
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if (err) {
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callback(err);
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return;
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}
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callback(null);
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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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//
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// Helper functions
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//
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function lookupPublicKey(id, callback) {
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// lookup in local storage
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jsonDao.read('publickey_' + id, function(pubkey) {
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if (!pubkey) {
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// fetch from cloud storage
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cloudstorage.getPublicKey(id, function(err, cloudPubkey) {
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if (err) {
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callback(err);
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return;
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}
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// cache public key in cache
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saveLocalPublicKey(cloudPubkey, function(err) {
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if (err) {
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callback(err);
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return;
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}
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callback(null, cloudPubkey);
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});
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});
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} else {
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callback(null, pubkey);
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}
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});
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}
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function lookupPrivateKey(id, callback) {
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// lookup in local storage
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jsonDao.read('privatekey_' + id, function(privkey) {
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if (!privkey) {
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// fetch from cloud storage
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cloudstorage.getPrivateKey(id, function(err, cloudPrivkey) {
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if (err) {
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callback(err);
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return;
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}
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// cache private key in cache
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saveLocalPrivateKey(cloudPrivkey, function(err) {
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if (err) {
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callback(err);
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return;
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}
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callback(null, cloudPrivkey);
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});
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});
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} else {
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callback(null, privkey);
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}
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});
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}
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function saveLocalPublicKey(pubkey, callback) {
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// persist public key (email, _id)
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var pkLookupKey = 'publickey_' + pubkey._id;
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jsonDao.persist(pkLookupKey, pubkey, function(res1) {
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// validate result
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if (res1.key !== pkLookupKey) {
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callback({
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errMsg: 'Persisting public key in local storage went wrong!'
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});
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return;
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}
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callback();
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});
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}
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function saveLocalPrivateKey(privkey, callback) {
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// persist private key (email, _id)
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var prkLookupKey = 'privatekey_' + privkey._id;
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jsonDao.persist(prkLookupKey, privkey, function(res1) {
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// validate result
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if (res1.key !== prkLookupKey) {
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callback({
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errMsg: 'Persisting private key in local storage went wrong!'
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});
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return;
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}
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callback();
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});
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}
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};
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//
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// Helper functions
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//
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function lookupPublicKey(id, callback) {
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// lookup in local storage
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jsonDao.read('publickey_' + id, function(pubkey) {
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if (!pubkey) {
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// fetch from cloud storage
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cloudstorage.getPublicKey(id, function(err, cloudPubkey) {
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if (err) {
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callback(err);
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return;
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}
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// cache public key in cache
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saveLocalPublicKey(cloudPubkey, function(err) {
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if (err) {
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callback(err);
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return;
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}
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callback(null, cloudPubkey);
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});
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});
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} else {
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callback(null, pubkey);
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}
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});
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}
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function lookupPrivateKey(id, callback) {
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// lookup in local storage
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jsonDao.read('privatekey_' + id, function(privkey) {
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if (!privkey) {
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// fetch from cloud storage
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cloudstorage.getPrivateKey(id, function(err, cloudPrivkey) {
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if (err) {
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callback(err);
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return;
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}
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// cache private key in cache
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saveLocalPrivateKey(cloudPrivkey, function(err) {
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if (err) {
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callback(err);
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return;
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}
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callback(null, cloudPrivkey);
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});
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});
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} else {
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callback(null, privkey);
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}
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});
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}
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function saveLocalPublicKey(pubkey, callback) {
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// persist public key (email, _id)
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var pkLookupKey = 'publickey_' + pubkey._id;
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jsonDao.persist(pkLookupKey, pubkey, function(res1) {
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// validate result
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if (res1.key !== pkLookupKey) {
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callback({
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errMsg: 'Persisting public key in local storage went wrong!'
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});
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return;
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}
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callback();
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});
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}
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function saveLocalPrivateKey(privkey, callback) {
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// persist private key (email, _id)
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var prkLookupKey = 'privatekey_' + privkey._id;
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jsonDao.persist(prkLookupKey, privkey, function(res1) {
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// validate result
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if (res1.key !== prkLookupKey) {
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callback({
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errMsg: 'Persisting private key in local storage went wrong!'
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});
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return;
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}
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callback();
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});
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}
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};
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return KeychainDAO;
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});
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@ -1,81 +1,84 @@
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module("Keychain DAO");
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define(['js/dao/keychain-dao', 'js/dao/lawnchair-dao'], function(KeychainDAO, jsonDao) {
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'use strict';
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var keychaindao_test = {
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user: 'keychaindao_test@example.com',
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password: 'Password',
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keySize: 128,
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ivSize: 128,
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rsaKeySize: 512
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};
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module("Keychain DAO");
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asyncTest("Init", 2, function() {
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// init dependencies
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var util = new cryptoLib.Util(window, uuid);
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var jsonDao = new app.dao.LawnchairDAO(Lawnchair);
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jsonDao.init(keychaindao_test.user);
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var crypto = new app.crypto.Crypto(window, util);
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// cloud storage stub
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var cloudstorageStub = {
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putPublicKey: function(pk, callback) {
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callback();
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},
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putPrivateKey: function(prk, callback) {
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callback();
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}
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var keychaindaoTest = {
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user: 'keychaindao_test@example.com',
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password: 'Password',
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keySize: 128,
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ivSize: 128,
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rsaKeySize: 512
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};
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keychaindao_test.keychainDao = new app.dao.KeychainDAO(jsonDao, cloudstorageStub);
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ok(keychaindao_test.keychainDao);
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asyncTest("Init", 2, function() {
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// clear db before test
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jsonDao.clear(function() {
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ok(true, 'cleared db');
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// stubbing
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var cloudstorageStub = {
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putPublicKey: function(pk, callback) {
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callback();
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},
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putPrivateKey: function(prk, callback) {
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callback();
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}
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};
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start();
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// module instancing
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keychaindaoTest.keychainDao = new KeychainDAO(cloudstorageStub);
|
||||
ok(keychaindaoTest.keychainDao);
|
||||
|
||||
// init and clear db before test
|
||||
jsonDao.init(keychaindaoTest.user);
|
||||
jsonDao.clear(function() {
|
||||
ok(true, 'cleared db');
|
||||
|
||||
start();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
asyncTest("Put User Keypair", 1, function() {
|
||||
asyncTest("Put User Keypair", 1, function() {
|
||||
|
||||
keychaindao_test.keypair = {
|
||||
publicKey: {
|
||||
_id: '1',
|
||||
userId: keychaindao_test.user,
|
||||
publicKey: 'asdf'
|
||||
},
|
||||
privateKey: {
|
||||
_id: '1',
|
||||
userId: keychaindao_test.user,
|
||||
encryptedKey: 'qwer',
|
||||
iv: 'yxvc'
|
||||
}
|
||||
};
|
||||
keychaindaoTest.keypair = {
|
||||
publicKey: {
|
||||
_id: '123',
|
||||
userId: keychaindaoTest.user,
|
||||
publicKey: 'asdf'
|
||||
},
|
||||
privateKey: {
|
||||
_id: '123',
|
||||
userId: keychaindaoTest.user,
|
||||
encryptedKey: 'qwer',
|
||||
iv: 'yxvc'
|
||||
}
|
||||
};
|
||||
|
||||
keychaindao_test.keychainDao.putUserKeyPair(keychaindao_test.keypair, function(err) {
|
||||
ok(!err);
|
||||
keychaindaoTest.keychainDao.putUserKeyPair(keychaindaoTest.keypair, function(err) {
|
||||
ok(!err);
|
||||
|
||||
start();
|
||||
start();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
asyncTest("Get User Keypair", 2, function() {
|
||||
keychaindao_test.keychainDao.getUserKeyPair(keychaindao_test.user, function(err, keypair) {
|
||||
ok(!err);
|
||||
ok(keypair && keypair.publicKey && keypair.privateKey);
|
||||
asyncTest("Get User Keypair", 2, function() {
|
||||
keychaindaoTest.keychainDao.getUserKeyPair(keychaindaoTest.user, function(err, keypair) {
|
||||
ok(!err);
|
||||
ok(keypair && keypair.publicKey && keypair.privateKey);
|
||||
|
||||
start();
|
||||
start();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
asyncTest("Get Public Keys", 2, function() {
|
||||
var pubkeyIds = [{
|
||||
_id: keychaindao_test.keypair.publicKey._id
|
||||
}
|
||||
];
|
||||
keychaindao_test.keychainDao.getPublicKeys(pubkeyIds, function(err, pubkeys) {
|
||||
ok(!err);
|
||||
deepEqual(pubkeys[0], keychaindao_test.keypair.publicKey, "Fetch public key");
|
||||
asyncTest("Get Public Keys", 2, function() {
|
||||
var pubkeyIds = [{
|
||||
_id: keychaindaoTest.keypair.publicKey._id
|
||||
}
|
||||
];
|
||||
keychaindaoTest.keychainDao.getPublicKeys(pubkeyIds, function(err, pubkeys) {
|
||||
ok(!err);
|
||||
deepEqual(pubkeys[0], keychaindaoTest.keypair.publicKey, "Fetch public key");
|
||||
|
||||
start();
|
||||
start();
|
||||
});
|
||||
});
|
||||
|
||||
});
|
||||
@ -24,9 +24,10 @@ function startTests() {
|
||||
'test/unit/forge-test',
|
||||
'test/unit/aes-test',
|
||||
'test/unit/rsa-test',
|
||||
'test/unit/lawnchair-dao-test'
|
||||
'test/unit/lawnchair-dao-test',
|
||||
'test/unit/keychain-dao-test'
|
||||
], function() {
|
||||
|
||||
QUnit.start(); //Tests loaded, run tests
|
||||
//Tests loaded, run tests
|
||||
QUnit.start();
|
||||
});
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user