mirror of https://github.com/xwiki-labs/cryptpad
WIP team invitations
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ansuz
parent
1a521b57c8
commit
c82c50c274
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@ -1,8 +1,76 @@
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(function () {
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var factory = function (Util, Cred, nThen) {
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var factory = function (Util, Cred, nThen, Nacl) {
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nThen = nThen; // XXX
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var Invite = {};
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var encode64 = Nacl.util.encodeBase64;
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var decode64 = Nacl.util.decode64;
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// ed and curve keys can be random...
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Invite.generateKeys = function () {
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var ed = Nacl.sign.keyPair();
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var curve = Nacl.box.keyPair();
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return {
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edPublic: encode64(ed.publicKey),
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edPrivate: encode64(ed.secretKey),
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curvePublic: encode64(curve.publicKey),
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curvePrivate: encode64(curve.secretKey),
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};
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};
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var b64ToChannelKeys = function (b64) {
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var dispense = Cred.dispenser(decode64(b64));
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return {
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channel: Util.uint8ArrayToHex(dispense(16)),
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cryptKey: encode64(dispense(Nacl.secretbox.keyLength)),
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};
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};
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// the secret invite values (cryptkey and channel) can be derived
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// from the link seed and (optional) password
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Invite.deriveInviteKeys = b64ToChannelKeys;
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// the preview values (cryptkey and channel) are less sensitive than the invite values
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// as they cannot be leveraged to access any further content on their own
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// unless the message contains secrets.
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// derived from the link seed alone.
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Invite.derivePreviewKeys = b64ToChannelKeys;
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// what the invite link alone will allow you to see
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Invite.createPreviewContent = function (data, keys, cb) {
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cb = cb;
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/* should include:
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{
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message: "", // personal message
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author: "", // author public key
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from: "", // author pretty name
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}
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*/
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};
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// the remaining data available with the invite link + password
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Invite.createInviteContent = function (data, keys, cb) {
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cb = cb;
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/* should include:
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{
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teamData: {
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// everything you need to join the team
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},
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ephemeral: {
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curve: "", // for the roster
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ed: "" // for deleting the preview content
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}
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}
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*/
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};
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Invite.createRosterEntry = function (roster, data, cb) {
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var toInvite = {};
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toInvite[data.curvePublic] = data.content;
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roster.invite(toInvite, cb);
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};
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/* INPUTS
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* password (for scrypt)
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@ -13,20 +81,6 @@ var factory = function (Util, Cred, nThen) {
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*/
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/* DERIVATIONS
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* components corresponding to www/common/invitation.js
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* preview_hash => components
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* channel
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* cryptKey
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* b64_bytes
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* curvePrivate => curvePublic
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* edSeed => edPrivate => edPublic
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*/
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/* IO / FUNCTIONALITY
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* creator
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@ -46,77 +100,23 @@ var factory = function (Util, Cred, nThen) {
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*/
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var BYTES_REQUIRED = 256;
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Invite.deriveKeys = function (seed, passwd, cb) {
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cb = cb; // XXX
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// TODO validate has cb
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// TODO onceAsync the cb
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// TODO cb with err if !(seed && passwd)
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Cred.deriveFromPassphrase(seed, passwd, BYTES_REQUIRED, function (bytes) {
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var dispense = Cred.dispenser(bytes);
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dispense = dispense; // XXX
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// edPriv => edPub
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// curvePriv => curvePub
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// channel
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// cryptKey
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});
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};
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Invite.createSeed = function () {
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// XXX
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// return a seed
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};
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Invite.create = function (cb) {
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cb = cb; // XXX
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// TODO validate has cb
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// TODO onceAsync the cb
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// TODO cb with err if !(seed && passwd)
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// required
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// password
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// validateKey
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// creatorEdPublic
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// for owner
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// ephemeral
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// signingKey
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// for owner to write invitation
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// derived
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// edPriv
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// edPublic
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// for invitee ownership
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// curvePriv
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// curvePub
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// for acceptance OR
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// authenticated decline message via mailbox
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// channel
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// for owned deletion
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// for team pinning
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// cryptKey
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// for protecting channel content
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};
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return Invite;
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};
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if (typeof(module) !== 'undefined' && module.exports) {
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module.exports = factory(
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require("../common-util"),
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require("../common-credential.js"),
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require("nthen")
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require("nthen"),
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require("tweetnacl/nacl-fast")
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);
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} else if ((typeof(define) !== 'undefined' && define !== null) && (define.amd !== null)) {
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define([
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'/common/common-util.js',
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'/common/common-credential.js',
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'/bower_components/nthen/index.js',
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'/bower_components/tweetnacl/nacl-fast.min.js',
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], function (Util, Cred, nThen) {
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return factory(Util, nThen);
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return factory(Util, Cred, nThen, window.nacl);
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});
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}
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}());
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@ -437,7 +437,7 @@ var factory = function (Util, Hash, CPNetflux, Sortify, nThen, Crypto) {
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// so you must already be in the members list
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if (!isMap(members[author])) { throw new Error("INSUFFICIENT_PERMISSIONS"); }
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// and your membership must indicate that you are 'pending'
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if (!members[author].pending) { throw new Errror("ALREADY_PRESENT"); }
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if (!members[author].pending) { throw new Error("ALREADY_PRESENT"); }
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// args should be a string
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if (typeof(args) !== 'string') { throw new Error("INVALID_ARGS"); }
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@ -1261,9 +1261,14 @@ define([
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};
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// XXX ansuz
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var createInviteLink = function (ctx, data, cId, cb) {
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Invite = Invite;
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var createInviteLink = function (ctx, data, cId, _cb) {
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var cb = Util.mkAsync(Util.once(_cb));
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var team = ctx.teams[data.teamId];
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var seeds = data.seeds; // {scrypt, preview}
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var bytes64 = data.bytes64;
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team = team;
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/*
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var roster = team.roster;
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@ -1271,15 +1276,78 @@ define([
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var password = data.password;
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var msg = data.message;
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var hash = data.hash;
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var bytes64 = data.bytes64;
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*/
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return void cb();
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/*
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cb({
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error: 'NOT_IMPLEMENTED'
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// derive { channel, cryptKey} for the preview content channel
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var previewKeys = Invite.derivePreviewKeys(seeds.preview);
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// derive {channel, cryptkey} for the invite content channel
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var inviteKeys = Invite.deriveInviteKeys(bytes64);
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// randomly generate ephemeral keys for ownership of the above content
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// and a placeholder in the roster
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var ephemeralKeys = Invite.generateKeys();
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nThen(function (w) {
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w = w;
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// XXX Invite.createPreviewContent
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// XXX cryptput the preview content
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/* PUT
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{
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message: data.message,
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// XXX authorName
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// XXX authorInfo {
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profile,
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etc,
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}
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}
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/// XXX callback if error
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*/
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// Invite.createInviteContent
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// XXX cryptput the secret team credentials
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/* PUT
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{
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ephemeralKeys.edPrivate,
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ephemeralKeys.curvePrivate,
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teamData: {
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...
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}
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}
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/// XXX callback if error
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*/
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}).nThen(function (w) {
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Invite.createRosterEntry(team.roster, {
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curvePublic: ephemeralKeys.curvePublic,
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content: {
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displayName: data.name,
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pending: true,
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inviteChannel: inviteKeys.channel, // XXX keep this channel pinned until the invite is accepted
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previewChannel: previewKeys.channel, // XXX keep this channel pinned until the invite is accepted
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// XXX encrypt the following data for your own curvePublic
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// XXX and implement UI for interacting with it
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// remind yourself of the password used
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// bypass scrypt with bytes64 to revover other keys
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// { password, bytes64, hash}
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}
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}, w(function (err) {
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if (err) {
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w.abort();
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cb(err);
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}
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}));
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}).nThen(function () {
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// call back empty if everything worked
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cb();
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/*
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cb({
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error: 'NOT_IMPLEMENTED'
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});
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*/
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});
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*/
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};
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// XXX ansuz
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var getLinkData = function (ctx, data, cId, cb) {
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/*
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@ -1455,6 +1523,7 @@ define([
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if (cmd === 'GET_LINK_DATA') {
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return void getLinkData(ctx, data, clientId, cb);
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}
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// XXX ansuz
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};
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return team;
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