cryptpad/www/common/invitation.js

73 lines
2.1 KiB
JavaScript

(function () {
var factory = function (/* Util, Cred, nThen */) {
var Invite = {};
/* XXX ansuz
inner invitation components
* create an invitation link
* derive secrets from a v2 link and password
* split hash into two preseeds
* preseed1 => preview hash
* scrypt(scrypt_seed) => b64_bytes
* preview an invitation link
* get preview hash from invitation link
* decrypt an invitation link
* (slowly) get b64_bytes from hash
*/
Invite.deriveSeeds = function (key) {
var seeds = {};
var scrypt_seed;
var preview_secrets;
var preview_channel;
var preview_cryptKey;
(function () {
var b64_seed = hashData.key;
if (typeof(b64_seed) !== 'string') {
return console.error('invite seed is not a string');
}
var u8_seed = Nacl.util.decodeBase64(b64_seed);
var step1 = Nacl.hash(u8_seed);
seeds.scrypt = Nacl.util.encodeBase64(step1.subarray(0, 32));
var preview_hash = '#/2/invite/view/' +
Nacl.util.encodeBase64(step1.subarray(32, 50)).replace('/', '-')
+ '/';
preview_secrets = Hash.getSecrets('pad', preview_hash);
}());
return seeds;
};
// seed => bytes64
Invite.deriveBytes = function (scrypt_seed, cb) {
// XXX do scrypt stuff...
};
Invite.derivePreviewHash = function (preview_seed) {
};
return Invite;
};
if (typeof(module) !== 'undefined' && module.exports) {
module.exports = factory(
require("../common-util"),
require("../common-credential.js"),
require("nthen")
);
} else if ((typeof(define) !== 'undefined' && define !== null) && (define.amd !== null)) {
define([
'/common/common-util.js',
'/common/common-credential.js',
'/bower_components/nthen/index.js',
], function (Util, Cred, nThen) {
return factory(Util, nThen);
});
}
}());