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SwapChat

SwapChat is a disposable, end-to-end encrypted, decentralized web app built on Swarm. It uses ephemeral identities generated on the fly and then it does a Diffie-Hellman key exchange to create a shared secret for reasonable security and privacy.

Building the app

 $ npm run pack

This builds the app in the dist directory. You can upload it to Swarm with the upload.sh command:

 $ ./upload.sh https://swarm-gateways.net

You can specify any Swarm gateways as an argument. After the upload was successful the script will write out a link to the uploaded website. Copy that link to your browser to open it.

TESTING

In the main script the following constants can be found:

const AUTHORUSER = "beefc6472de3bba1d389ad8b18348c3df50d680c";
const SCRIPTFEEDTOPIC = "646973706f636861745f73637269707400000000000000000000000000000000"; // name = dispochat_script
const SCRIPTFEEDHASH = "c8b0051d921ae84f1676a24eaa7d509302dfbd9902dea17fbebe9e004a4a119b";
const HTMLFEEDTOPIC = "646973706f636861745f68746d6c000000000000000000000000000000000000"; // name = dispochat_main, topic
const HTMLFEEDHASH = "4dce80c0210b318db31094a1e7c694179b24ac22b56f25d44582800f0ca07706";

To test the automatic responder script generation and upload logic works correctly, update the SCRIPTFEEDTOPIC and HTMLFEEDTOPIC feeds with manifests enclosing the following data:

HTMLFEEDTOPIC (index.html):

<html>
<head>
<script language="javascript" src="head.js"></script>
<script language="javascript" src="main.js"></script>
</head>
<body>
loaded...
</body>
</html>

SCRIPTFEEDTOPIC (main.js):

console.log(keyTmpRequestPriv);

Replace the HTMLFEEDHASH and SCRIPTFEEDHASH constants with the corresponding resulting hashes. Also nodify the AUTHORUSER with the user used to update the feeds.

Then run the script and look for published manifest: <HASH> in the output.

To test the connection logic:

  1. run ts-node ./src/index.ts in terminal 1, and while running...
  2. look for tmp priv: <HASH> in the output, and copy the hash
  3. run ts-node ./src/index.ts in terminal 2