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Commit e28f0989 authored by Mark Haines's avatar Mark Haines
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Add a demo for the javascript bindings

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<html>
<head>
<script src="../build/axolotl.js"></script>
<script>
document.addEventListener("DOMContentLoaded", function (event) {
function progress(who, message) {
var message_element = document.createElement("pre");
var progress = document.getElementById(who + "_progress");
var start_content = document.createTextNode(message + "...");
var done_content = document.createTextNode(message + "... Done");
function start() {
message_element.appendChild(start_content);
progress.appendChild(message_element);
}
function done() {
message_element.replaceChild(done_content, start_content);
}
return {start:start, done:done};
}
var alice = new Axolotl.Account();
var bob = new Axolotl.Account();
var a_session = new Axolotl.Session();
var b_session = new Axolotl.Session();
var message_1;
var tasks = [];
tasks.push(["alice", "Creating account", function() { alice.create() }]);
tasks.push(["bob", "Creating account", function() { bob.create() }]);
tasks.push(["alice", "Create outbound session", function() {
var bobs_keys_1 = JSON.parse(bob.identity_keys())[0];
var bobs_keys_2 = JSON.parse(bob.one_time_keys())[1];
a_session.create_outbound(
alice, bobs_keys_1[1], bobs_keys_2[0], bobs_keys_2[1]
);
}]);
tasks.push(["alice", "Encrypt first message", function() {
message_1 = a_session.encrypt("");
}]);
tasks.push(["bob", "Create inbound session", function() {
b_session.create_inbound(bob, message_1.body);
}]);
tasks.push(["bob", "Decrypt first message", function() {
b_session.decrypt(message_1.type, message_1.body);
}]);
function glue_encrypt(from, to, from_session) {
var plain_input = document.getElementById(from + "_plain_input");
var cipher_output = document.getElementById(from + "_cipher_output");
var cipher_input = document.getElementById(to + "_cipher_input");
var encrypt = document.getElementById(from + "_encrypt");
encrypt.addEventListener("click", function() {
var message = from_session.encrypt(plain_input.value);
var message_element = document.createElement("pre");
var content = document.createTextNode(JSON.stringify(message));
message_element.appendChild(content);
cipher_output.appendChild(message_element);
message_element.addEventListener("click", function() {
cipher_input.value = JSON.stringify(message);
}, false);
}, false);
}
function glue_decrypt(to, to_session) {
var cipher_input = document.getElementById(to + "_cipher_input");
var plain_output = document.getElementById(to + "_plain_output");
var decrypt = document.getElementById(to + "_decrypt");
decrypt.addEventListener("click", function() {
var message = JSON.parse(cipher_input.value);
try {
var plaintext = to_session.decrypt(message.type, message.body);
} catch (e) {
var plaintext = "ERROR: " + e.message;
}
var message_element = document.createElement("pre");
var message_content = document.createTextNode(plaintext);
message_element.appendChild(message_content);
plain_output.appendChild(message_element);
}, false);
}
function do_tasks(next) {
if (tasks.length > 0) {
var task = tasks.shift();
var p = progress(task[0], task[1])
p.start();
window.setTimeout(function() {
task[2]();
p.done();
window.setTimeout(do_tasks, 0, next);
}, 0)
} else {
next();
}
}
do_tasks(function() {
glue_encrypt("alice", "bob", a_session);
glue_decrypt("bob", b_session);
glue_encrypt("bob", "alice", b_session);
glue_decrypt("alice", a_session);
});
}, false);
</script>
<body>
<div id="alice">
<h1>Alice</h1>
<div id="alice_progress"></div>
<h2>Encryption</h2>
<textarea id="alice_plain_input"></textarea>
<button id="alice_encrypt">Encrypt</button>
<div id="alice_cipher_output"></div>
<h2>Decryption</h2>
<textarea id="alice_cipher_input"></textarea>
<button id="alice_decrypt">Decrypt</button>
<div id="alice_plain_output"></div>
</div>
<div id="bob">
<h1>Bob</h1>
<div id="bob_progress"></div>
<h2>Encryption</h2>
<textarea id="bob_plain_input"></textarea>
<button id="bob_encrypt">Encrypt</button>
<div id="bob_cipher_output"></div>
<h2>Decryption</h2>
<textarea id="bob_cipher_input"></textarea>
<button id="bob_decrypt">Decrypt</button>
<div id="bob_plain_output"></div>
</div>
</body>
</html>
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