fix whitelist filtering in email dao

src/js/dao/email-dao.js

@@ -295,10 +295,13 @@ define(function(require) {
                     return;
                 }
 
-                // ignore non-whiteout mails
+                // ignore non-whitelisted mails
-                headers = _.without(headers, _.filter(headers, function(header) {
+                var nonWhitelisted = _.filter(headers, function(header) {
                     return header.subject.indexOf(str.subjectPrefix) === -1;
-                }));
+                });
+                nonWhitelisted.forEach(function(i) {
+                    headers.splice(headers.indexOf(i), 1);
+                });
 
                 /*
                  * delta3:  memory > imap    => we deleted messages directly from the remote, remove from memory and storage

test/new-unit/email-dao-test.js

@@ -14,7 +14,8 @@ define(function(require) {
         var dao, keychainStub, imapClientStub, smtpClientStub, pgpStub, devicestorageStub;
 
         var emailAddress, passphrase, asymKeySize, mockkeyId, dummyEncryptedMail,
-            dummyDecryptedMail, mockKeyPair, account, publicKey, verificationMail, verificationUuid;
+            dummyDecryptedMail, mockKeyPair, account, publicKey, verificationMail, verificationUuid,
+            nonWhitelistedMail;
 
         beforeEach(function() {
             emailAddress = 'asdf@asdf.com';
@@ -56,6 +57,17 @@ define(function(require) {
                 subject: '[whiteout] qweasd',
                 body: 'asd'
             };
+            nonWhitelistedMail = {
+                uid: 1234,
+                from: [{
+                    address: 'asd@asd.de'
+                }],
+                to: [{
+                    address: 'qwe@qwe.de'
+                }],
+                subject: 'qweasd',
+                body: 'asd'
+            };
             mockKeyPair = {
                 publicKey: {
                     _id: mockkeyId,
@@ -1030,6 +1042,45 @@ define(function(require) {
                 });
             });
 
+            it('should not fetch non-whitelisted mails', function(done) {
+                var invocations, folder, localListStub, imapListStub, imapGetStub, localStoreStub;
+
+                invocations = 0;
+                folder = 'FOLDAAAA';
+                dao._account.folders = [{
+                    type: 'Folder',
+                    path: folder,
+                    messages: []
+                }];
+
+                localListStub = sinon.stub(dao, '_localListMessages').yields(null, []);
+                imapListStub = sinon.stub(dao, '_imapListMessages').yields(null, [nonWhitelistedMail]);
+                imapGetStub = sinon.stub(dao, '_imapGetMessage').yields(null, nonWhitelistedMail);
+                localStoreStub = sinon.stub(dao, '_localStoreMessages').yields();
+
+                dao.sync({
+                    folder: folder
+                }, function(err) {
+                    expect(err).to.not.exist;
+
+                    if (invocations === 0) {
+                        expect(dao._account.busy).to.be.true;
+                        invocations++;
+                        return;
+                    }
+
+                    expect(dao._account.busy).to.be.false;
+                    expect(dao._account.folders[0].messages).to.be.empty;
+                    expect(localListStub.calledOnce).to.be.true;
+                    expect(imapListStub.calledOnce).to.be.true;
+                    expect(imapGetStub.called).to.be.false;
+                    expect(localStoreStub.called).to.be.false;
+                    expect(keychainStub.getReceiverPublicKey.called).to.be.false;
+                    expect(pgpStub.decrypt.called).to.be.false;
+                    done();
+                });
+            });
+
             it('should error while decrypting fetch messages from the remote', function(done) {
                 var invocations, folder, localListStub, imapListStub, imapGetStub, localStoreStub;