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Code Issues Releases Wiki Activity

implemented save key locally after cloud lookup

This commit is contained in:
Tankred Hase 2013-06-01 02:23:09 +02:00
parent fcac34ae74
commit b1b91850a7
1 changed files with 135 additions and 84 deletions
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219
src/js/dao/keychain-dao.js
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@ -43,37 +43,6 @@ app.dao.KeychainDAO = function(jsonDao, cloudstorage) {
});
};
/**
* Helper function that looks for public key in local storage
* and then in cloud storage
*/
function lookupPublicKey(id, callback) {
// lookup in local storage
jsonDao.read('publickey_' + id, function(pubkey) {
if (!pubkey) {
// fetch from cloud storage
cloudstorage.getPublicKey(id, callback);
} else {
callback(null, pubkey);
}
});
}
function lookupPrivateKey(id, callback) {
// lookup in local storage
jsonDao.read('privatekey_' + id, function(privkey) {
if (!privkey) {
// fetch from cloud storage
cloudstorage.getPrivateKey(id, callback);
} else {
callback(null, privkey);
}
});
}
/**
* Gets the local user's key either from local storage
* or fetches it from the cloud. The private key is encrypted.
@ -141,10 +110,109 @@ app.dao.KeychainDAO = function(jsonDao, cloudstorage) {
return;
}
// store public key locally
saveLocalPublicKey(keypair.publicKey, function(err) {
if (err) {
callback(err);
return;
}
// persist public key in cloud storage
cloudstorage.putPublicKey(keypair.publicKey, function(err) {
// validate result
if (err) {
callback(err);
return;
}
// store private key locally
saveLocalPrivateKey(keypair.privateKey, function(err) {
if (err) {
callback(err);
return;
}
// persist private key in cloud storage
cloudstorage.putPrivateKey(keypair.privateKey, function(err) {
// validate result
if (err) {
callback(err);
return;
}
callback(null);
});
});
});
});
};
//
// Helper functions
//
function lookupPublicKey(id, callback) {
// lookup in local storage
jsonDao.read('publickey_' + id, function(pubkey) {
if (!pubkey) {
// fetch from cloud storage
cloudstorage.getPublicKey(id, function(err, cloudPubkey) {
if (err) {
callback(err);
return;
}
// cache public key in cache
saveLocalPublicKey(cloudPubkey, function(err) {
if (err) {
callback(err);
return;
}
callback(null, cloudPubkey);
});
});
} else {
callback(null, pubkey);
}
});
}
function lookupPrivateKey(id, callback) {
// lookup in local storage
jsonDao.read('privatekey_' + id, function(privkey) {
if (!privkey) {
// fetch from cloud storage
cloudstorage.getPrivateKey(id, function(err, cloudPrivkey) {
if (err) {
callback(err);
return;
}
// cache private key in cache
saveLocalPrivateKey(cloudPrivkey, function(err) {
if (err) {
callback(err);
return;
}
callback(null, cloudPrivkey);
});
});
} else {
callback(null, privkey);
}
});
}
function saveLocalPublicKey(pubkey, callback) {
// persist public key (email, _id)
var pkLookupKey = 'publickey_' + keypair.publicKey.userId;
var pkLookupKey = 'publickey_' + pubkey.userId;
jsonDao.persist(pkLookupKey, {
_id: keypair.publicKey._id
_id: pubkey._id
}, function(res1) {
// validate result
if (res1.key !== pkLookupKey) {
@ -155,8 +223,8 @@ app.dao.KeychainDAO = function(jsonDao, cloudstorage) {
}
// persist public key in local storage
var pkKey = 'publickey_' + keypair.publicKey._id;
jsonDao.persist(pkKey, keypair.publicKey, function(res2) {
var pkKey = 'publickey_' + pubkey._id;
jsonDao.persist(pkKey, pubkey, function(res2) {
// validate result
if (res2.key !== pkKey) {
callback({
@ -165,56 +233,39 @@ app.dao.KeychainDAO = function(jsonDao, cloudstorage) {
return;
}
// perist in public key in cloud storage
cloudstorage.putPublicKey(keypair.publicKey, function(err) {
// validate result
if (err) {
callback({
errMsg: 'Persisting public key in cloud storage went wrong!'
});
return;
}
// persist private key (email, _id)
var prkLookupKey = 'privatekey_' + keypair.privateKey.userId;
jsonDao.persist(prkLookupKey, {
_id: keypair.privateKey._id
}, function(res3) {
// validate result
if (res3.key !== prkLookupKey) {
callback({
errMsg: 'Persisting private key in local storage went wrong!'
});
return;
}
// persist private key
var prkKey = 'privatekey_' + keypair.privateKey._id;
jsonDao.persist(prkKey, keypair.privateKey, function(res4) {
// validate result
if (res4.key !== prkKey) {
callback({
errMsg: 'Persisting private key in local storage went wrong!'
});
return;
}
cloudstorage.putPrivateKey(keypair.privateKey, function(err) {
// validate result
if (err) {
callback({
errMsg: 'Persisting private key in cloud storage went wrong!'
});
return;
}
callback(null);
});
});
});
});
callback();
});
});
};
}
function saveLocalPrivateKey(privkey, callback) {
// persist private key (email, _id)
var prkLookupKey = 'privatekey_' + privkey.userId;
jsonDao.persist(prkLookupKey, {
_id: privkey._id
}, function(res1) {
// validate result
if (res1.key !== prkLookupKey) {
callback({
errMsg: 'Persisting private key in local storage went wrong!'
});
return;
}
// persist private key
var prkKey = 'privatekey_' + privkey._id;
jsonDao.persist(prkKey, privkey, function(res2) {
// validate result
if (res2.key !== prkKey) {
callback({
errMsg: 'Persisting private key in local storage went wrong!'
});
return;
}
callback();
});
});
}
};