/* vim: ts=4:sw=4
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
'use strict';
describe('Protocol', function() {
describe('Unencrypted PushMessageProto "decrypt"', function() {
//exclusive
it('works', function(done) {
localStorage.clear();
var text_message = new textsecure.protobuf.PushMessageContent();
text_message.body = "Hi Mom";
var server_message = {
type: 4, // unencrypted
source: "+19999999999",
timestamp: 42,
message: text_message.encode()
};
return textsecure.protocol.handleIncomingPushMessageProto(server_message).
then(function(message) {
assert.equal(message.body, text_message.body);
assert.equal(message.attachments.length, text_message.attachments.length);
assert.equal(text_message.attachments.length, 0);
}).then(done).catch(done);
});
});
describe("Identity and Pre Key Creation", function() {
this.timeout(200000);
before(function() { localStorage.clear(); });
after(function() { localStorage.clear(); });
it ('works', function(done) {
localStorage.clear();
return textsecure.protocol.generateKeys().then(function() {
assert.isDefined(textsecure.storage.getEncrypted("25519KeyidentityKey"));
assert.isDefined(textsecure.storage.getEncrypted("25519KeysignedKey0"));
for (var i = 0; i < 100; i++) {
assert.isDefined(textsecure.storage.getEncrypted("25519KeypreKey" + i));
}
var origIdentityKey = getString(textsecure.storage.getEncrypted("25519KeyidentityKey").privKey);
return textsecure.protocol.generateKeys().then(function() {
assert.isDefined(textsecure.storage.getEncrypted("25519KeyidentityKey"));
assert.equal(getString(textsecure.storage.getEncrypted("25519KeyidentityKey").privKey), origIdentityKey);
assert.isDefined(textsecure.storage.getEncrypted("25519KeysignedKey0"));
assert.isDefined(textsecure.storage.getEncrypted("25519KeysignedKey1"));
for (var i = 0; i < 200; i++) {
assert.isDefined(textsecure.storage.getEncrypted("25519KeypreKey" + i));
}
return textsecure.protocol.generateKeys().then(function() {
assert.isDefined(textsecure.storage.getEncrypted("25519KeyidentityKey"));
assert.equal(getString(textsecure.storage.getEncrypted("25519KeyidentityKey").privKey), origIdentityKey);
assert.isUndefined(textsecure.storage.getEncrypted("25519KeysignedKey0"));
assert.isDefined(textsecure.storage.getEncrypted("25519KeysignedKey1"));
assert.isDefined(textsecure.storage.getEncrypted("25519KeysignedKey2"));
for (var i = 0; i < 300; i++) {
assert.isDefined(textsecure.storage.getEncrypted("25519KeypreKey" + i));
}
});
});
}).then(done).catch(done);
});
});
describe("Axolotl", function() {
var runAxolotlTest = function(v) {
var origCreateNewKeyPair = textsecure.crypto.testing_only.createNewKeyPair;
var doStep;
var stepDone;
stepDone = function(res) {
if (!res || privKeyQueue.length != 0 || Object.keys(getKeysForNumberMap).length != 0 || Object.keys(messagesSentMap).length != 0) {
textsecure.crypto.testing_only.createNewKeyPair = origCreateNewKeyPair;
return false;
} else if (step == v.length) {
textsecure.crypto.testing_only.createNewKeyPair = origCreateNewKeyPair;
return true;
} else
return doStep().then(stepDone);
}
var privKeyQueue = [];
textsecure.crypto.testing_only.createNewKeyPair = function(isIdentity) {
if (privKeyQueue.length == 0 || isIdentity)
throw new Error('Out of private keys');
else {
var privKey = privKeyQueue.shift();
return textsecure.crypto.createKeyPair(privKey).then(function(keyPair) {
var a = btoa(getString(keyPair.privKey)); var b = btoa(getString(privKey));
if (getString(keyPair.privKey) != getString(privKey))
throw new Error('Failed to rederive private key!');
else
return keyPair;
});
}
}
var step = 0;
var doStep = function() {
var data = v[step][1];
switch(v[step++][0]) {
case "receiveMessage":
var postLocalKeySetup = function() {
if (data.newEphemeralKey !== undefined)
privKeyQueue.push(data.newEphemeralKey);
var message = new textsecure.protobuf.IncomingPushMessageSignal();
message.type = data.type;
message.source = "SNOWDEN";
message.message = data.message;
message.sourceDevice = 1;
try {
var proto = textsecure.protobuf.IncomingPushMessageSignal.decode(message.encode());
return textsecure.protocol.handleIncomingPushMessageProto(proto).then(function(res) {
if (data.expectTerminateSession)
return res.flags == textsecure.protobuf.PushMessageContent.Flags.END_SESSION;
return res.body == data.expectedSmsText;
}).catch(function(e) {
if (data.expectException)
return true;
throw e;
});
} catch(e) {
if (data.expectException)
return Promise.resolve(true);
throw e;
}
}
if (data.ourIdentityKey !== undefined)
return textsecure.crypto.createKeyPair(data.ourIdentityKey).then(function(keyPair) {
textsecure.storage.putEncrypted("25519KeyidentityKey", keyPair);
return textsecure.crypto.createKeyPair(data.ourSignedPreKey).then(function(keyPair) {
textsecure.storage.putEncrypted("25519KeysignedKey" + data.signedPreKeyId, keyPair);
if (data.ourPreKey !== undefined)
return textsecure.crypto.createKeyPair(data.ourPreKey).then(function(keyPair) {
textsecure.storage.putEncrypted("25519KeypreKey" + data.preKeyId, keyPair);
return postLocalKeySetup();
});
else
return postLocalKeySetup();
});
});
else
return postLocalKeySetup();
case "sendMessage":
var postLocalKeySetup = function() {
if (data.registrationId !== undefined)
textsecure.storage.putUnencrypted("registrationId", data.registrationId);
if (data.getKeys !== undefined)
getKeysForNumberMap["SNOWDEN"] = data.getKeys;
var checkMessage = function() {
var msg = messagesSentMap["SNOWDEN.1"];
delete messagesSentMap["SNOWDEN.1"];
//XXX: This should be all we do: isEqual(data.expectedCiphertext, msg.body, false);
if (msg.type == 1) {
var expected = getString(data.expectedCiphertext);
var decoded = textsecure.protobuf.WhisperMessage.decode(expected.substring(1, expected.length - 8), 'binary');
var result = getString(msg.body);
return getString(decoded.encode()) == result.substring(1, result.length - 8);
} else {
var decoded = textsecure.protobuf.PreKeyWhisperMessage.decode(getString(data.expectedCiphertext).substr(1), 'binary');
var result = getString(msg.body).substring(1);
return getString(decoded.encode()) == result;
}
}
if (data.endSession)
return textsecure.messaging.closeSession("SNOWDEN").then(checkMessage);
else
return textsecure.messaging.sendMessageToNumber("SNOWDEN", data.smsText, []).then(checkMessage);
}
if (data.ourBaseKey !== undefined)
privKeyQueue.push(data.ourBaseKey);
if (data.ourEphemeralKey !== undefined)
privKeyQueue.push(data.ourEphemeralKey);
if (data.ourIdentityKey !== undefined)
return textsecure.crypto.createKeyPair(data.ourIdentityKey).then(function(keyPair) {
textsecure.storage.putEncrypted("25519KeyidentityKey", keyPair);
return postLocalKeySetup();
});
else
return postLocalKeySetup();
default:
return Promise.resolve(false);
}
}
return doStep().then(stepDone);
};
describe("test vectors", function() {
_.each(axolotlTestVectors, function(t, i) {
it(t.name, function(done) {
localStorage.clear();
return runAxolotlTest(t.vectors).then(function(res) {
assert(res);
}).then(done).catch(done);
});
});
});
});
});