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/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
Cu.import("resource://gre/modules/Log.jsm");
Cu.import("resource://services-sync/constants.js");
Cu.import("resource://services-sync/keys.js");
Cu.import("resource://services-sync/record.js");
Cu.import("resource://services-sync/resource.js");
Cu.import("resource://services-sync/service.js");
Cu.import("resource://services-sync/util.js");
Cu.import("resource://testing-common/services/sync/utils.js");
let cryptoWrap;
function crypted_resource_handler(metadata, response) {
let obj = {id: "resource",
modified: cryptoWrap.modified,
payload: JSON.stringify(cryptoWrap.payload)};
return httpd_basic_auth_handler(JSON.stringify(obj), metadata, response);
}
function prepareCryptoWrap(collection, id) {
let w = new CryptoWrapper();
w.cleartext.stuff = "my payload here";
w.collection = collection;
w.id = id;
return w;
}
function run_test() {
let server;
do_test_pending();
ensureLegacyIdentityManager();
Service.identity.username = "john@example.com";
Service.identity.syncKey = "a-abcde-abcde-abcde-abcde-abcde";
let keyBundle = Service.identity.syncKeyBundle;
try {
let log = Log.repository.getLogger("Test");
Log.repository.rootLogger.addAppender(new Log.DumpAppender());
log.info("Setting up server and authenticator");
server = httpd_setup({"/steam/resource": crypted_resource_handler});
log.info("Creating a record");
let cryptoUri = "http://localhost:8080/crypto/steam";
cryptoWrap = prepareCryptoWrap("steam", "resource");
log.info("cryptoWrap: " + cryptoWrap.toString());
log.info("Encrypting a record");
cryptoWrap.encrypt(keyBundle);
log.info("Ciphertext is " + cryptoWrap.ciphertext);
do_check_true(cryptoWrap.ciphertext != null);
let firstIV = cryptoWrap.IV;
log.info("Decrypting the record");
let payload = cryptoWrap.decrypt(keyBundle);
do_check_eq(payload.stuff, "my payload here");
do_check_neq(payload, cryptoWrap.payload); // wrap.data.payload is the encrypted one
log.info("Make sure multiple decrypts cause failures");
let error = "";
try {
payload = cryptoWrap.decrypt(keyBundle);
}
catch(ex) {
error = ex;
}
do_check_eq(error, "No ciphertext: nothing to decrypt?");
log.info("Re-encrypting the record with alternate payload");
cryptoWrap.cleartext.stuff = "another payload";
cryptoWrap.encrypt(keyBundle);
let secondIV = cryptoWrap.IV;
payload = cryptoWrap.decrypt(keyBundle);
do_check_eq(payload.stuff, "another payload");
log.info("Make sure multiple encrypts use different IVs");
do_check_neq(firstIV, secondIV);
log.info("Make sure differing ids cause failures");
cryptoWrap.encrypt(keyBundle);
cryptoWrap.data.id = "other";
error = "";
try {
cryptoWrap.decrypt(keyBundle);
}
catch(ex) {
error = ex;
}
do_check_eq(error, "Record id mismatch: resource != other");
log.info("Make sure wrong hmacs cause failures");
cryptoWrap.encrypt(keyBundle);
cryptoWrap.hmac = "foo";
error = "";
try {
cryptoWrap.decrypt(keyBundle);
}
catch(ex) {
error = ex;
}
do_check_eq(error.substr(0, 42), "Record SHA256 HMAC mismatch: should be foo");
// Checking per-collection keys and default key handling.
generateNewKeys(Service.collectionKeys);
let bu = "http://localhost:8080/storage/bookmarks/foo";
let bookmarkItem = prepareCryptoWrap("bookmarks", "foo");
bookmarkItem.encrypt(Service.collectionKeys.keyForCollection("bookmarks"));
log.info("Ciphertext is " + bookmarkItem.ciphertext);
do_check_true(bookmarkItem.ciphertext != null);
log.info("Decrypting the record explicitly with the default key.");
do_check_eq(bookmarkItem.decrypt(Service.collectionKeys._default).stuff, "my payload here");
// Per-collection keys.
// Generate a key for "bookmarks".
generateNewKeys(Service.collectionKeys, ["bookmarks"]);
bookmarkItem = prepareCryptoWrap("bookmarks", "foo");
do_check_eq(bookmarkItem.collection, "bookmarks");
// Encrypt. This'll use the "bookmarks" encryption key, because we have a
// special key for it. The same key will need to be used for decryption.
bookmarkItem.encrypt(Service.collectionKeys.keyForCollection("bookmarks"));
do_check_true(bookmarkItem.ciphertext != null);
// Attempt to use the default key, because this is a collision that could
// conceivably occur in the real world. Decryption will error, because
// it's not the bookmarks key.
let err;
try {
bookmarkItem.decrypt(Service.collectionKeys._default);
} catch (ex) {
err = ex;
}
do_check_eq("Record SHA256 HMAC mismatch", err.substr(0, 27));
// Explicitly check that it's using the bookmarks key.
// This should succeed.
do_check_eq(bookmarkItem.decrypt(Service.collectionKeys.keyForCollection("bookmarks")).stuff,
"my payload here");
log.info("Done!");
}
finally {
server.stop(do_test_finished);
}
}
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