3box
Version:
Interact with user data
913 lines (753 loc) • 28.9 kB
JavaScript
"use strict";
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _regenerator = _interopRequireDefault(require("@babel/runtime/regenerator"));
var _asyncToGenerator2 = _interopRequireDefault(require("@babel/runtime/helpers/asyncToGenerator"));
var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { (0, _defineProperty2["default"])(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
var isIPFS = require('is-ipfs');
var API = require('./api');
var config = require('./config');
var _require = require('./3id/utils'),
symEncryptBase = _require.symEncryptBase,
symDecryptBase = _require.symDecryptBase,
newSymKey = _require.newSymKey;
var utils = require('./utils/index');
var orbitAddress = require('orbit-db/src/orbit-db-address');
var ORBITDB_OPTS = config.orbitdb_options;
var MODERATOR = 'MODERATOR';
var MEMBER = 'MEMBER';
var isValid3ID = function isValid3ID(did) {
var parts = did.split(':');
if (!parts[0] === 'did' || !parts[1] === '3') return false;
return isIPFS.cid(parts[2]);
};
var Thread = /*#__PURE__*/function () {
/**
* Please use **space.joinThread** to get the instance of this class
*/
function Thread(name, replicator, members, firstModerator, confidential, user, subscribe) {
(0, _classCallCheck2["default"])(this, Thread);
this._name = name;
this._replicator = replicator;
this._spaceName = name ? name.split('.')[2] : undefined;
this._subscribe = subscribe;
this._queuedNewPosts = [];
this._members = Boolean(members);
this._firstModerator = firstModerator;
this._user = user;
if (confidential) {
this._confidential = true;
this._members = true;
if (typeof confidential === 'string') {
this._encKeyId = confidential;
} else {
this._symKey = newSymKey();
this._encKeyId = utils.sha256(this._symKey);
}
}
}
/**
* Post a message to the thread
*
* @param {Object} message The message
* @return {String} The postId of the new post
*/
(0, _createClass2["default"])(Thread, [{
key: "post",
value: function () {
var _post = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee(message) {
var timestamp;
return _regenerator["default"].wrap(function _callee$(_context) {
while (1) {
switch (_context.prev = _context.next) {
case 0:
this._requireLoad();
this._requireAuth();
this._subscribe(this._address, {
firstModerator: this._firstModerator,
members: this._members,
name: this._name
});
this._replicator.ensureConnected(this._address, true);
timestamp = Math.floor(new Date().getTime() / 1000); // seconds
if (this._confidential) message = this._symEncrypt(message);
return _context.abrupt("return", this._db.add({
message: message,
timestamp: timestamp
}));
case 7:
case "end":
return _context.stop();
}
}
}, _callee, this);
}));
function post(_x) {
return _post.apply(this, arguments);
}
return post;
}()
}, {
key: "_getThreadAddress",
value: function () {
var _getThreadAddress2 = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee2() {
var address;
return _regenerator["default"].wrap(function _callee2$(_context2) {
while (1) {
switch (_context2.prev = _context2.next) {
case 0:
if (!this._address) {
_context2.next = 2;
break;
}
return _context2.abrupt("return", this._address);
case 2:
_context2.next = 4;
return this._initAcConfigs();
case 4:
_context2.next = 6;
return this._replicator._orbitdb._determineAddress(this._name, 'feed', {
accessController: this._accessController
}, false);
case 6:
address = _context2.sent.toString();
this._address = address;
return _context2.abrupt("return", this._address);
case 9:
case "end":
return _context2.stop();
}
}
}, _callee2, this);
}));
function _getThreadAddress() {
return _getThreadAddress2.apply(this, arguments);
}
return _getThreadAddress;
}()
/**
* Add a moderator to this thread, throws error is user can not add a moderator
*
* @param {String} id Moderator Id
*/
}, {
key: "addModerator",
value: function () {
var _addModerator = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee3(id) {
return _regenerator["default"].wrap(function _callee3$(_context3) {
while (1) {
switch (_context3.prev = _context3.next) {
case 0:
this._requireLoad();
this._requireAuth();
if (!id.startsWith('0x')) {
_context3.next = 6;
break;
}
_context3.next = 5;
return API.getSpaceDID(id, this._spaceName);
case 5:
id = _context3.sent;
case 6:
if (isValid3ID(id)) {
_context3.next = 8;
break;
}
throw new Error('addModerator: must provide valid 3ID');
case 8:
_context3.t0 = this._db.access;
_context3.t1 = MODERATOR;
_context3.t2 = id;
_context3.next = 13;
return this._encryptSymKey(id);
case 13:
_context3.t3 = _context3.sent;
return _context3.abrupt("return", _context3.t0.grant.call(_context3.t0, _context3.t1, _context3.t2, _context3.t3));
case 15:
case "end":
return _context3.stop();
}
}
}, _callee3, this);
}));
function addModerator(_x2) {
return _addModerator.apply(this, arguments);
}
return addModerator;
}()
/**
* List moderators
*
* @return {Array<String>} Array of moderator DIDs
*/
}, {
key: "listModerators",
value: function () {
var _listModerators = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee4() {
return _regenerator["default"].wrap(function _callee4$(_context4) {
while (1) {
switch (_context4.prev = _context4.next) {
case 0:
this._requireLoad();
return _context4.abrupt("return", this._db.access.capabilities.moderators);
case 2:
case "end":
return _context4.stop();
}
}
}, _callee4, this);
}));
function listModerators() {
return _listModerators.apply(this, arguments);
}
return listModerators;
}()
/**
* Add a member to this thread, throws if user can not add member, throw is not member thread
*
* @param {String} id Member Id
*/
}, {
key: "addMember",
value: function () {
var _addMember = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee5(id) {
return _regenerator["default"].wrap(function _callee5$(_context5) {
while (1) {
switch (_context5.prev = _context5.next) {
case 0:
this._requireLoad();
this._requireAuth();
this._throwIfNotMembers();
if (!id.startsWith('0x')) {
_context5.next = 7;
break;
}
_context5.next = 6;
return API.getSpaceDID(id, this._spaceName);
case 6:
id = _context5.sent;
case 7:
if (isValid3ID(id)) {
_context5.next = 9;
break;
}
throw new Error('addMember: must provide valid 3ID');
case 9:
_context5.t0 = this._db.access;
_context5.t1 = MEMBER;
_context5.t2 = id;
_context5.next = 14;
return this._encryptSymKey(id);
case 14:
_context5.t3 = _context5.sent;
return _context5.abrupt("return", _context5.t0.grant.call(_context5.t0, _context5.t1, _context5.t2, _context5.t3));
case 16:
case "end":
return _context5.stop();
}
}
}, _callee5, this);
}));
function addMember(_x3) {
return _addMember.apply(this, arguments);
}
return addMember;
}()
/**
* List members, throws if not member thread
*
* @return {Array<String>} Array of member DIDs
*/
}, {
key: "listMembers",
value: function () {
var _listMembers = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee6() {
return _regenerator["default"].wrap(function _callee6$(_context6) {
while (1) {
switch (_context6.prev = _context6.next) {
case 0:
this._throwIfNotMembers();
this._requireLoad();
return _context6.abrupt("return", this._db.access.capabilities.members);
case 3:
case "end":
return _context6.stop();
}
}
}, _callee6, this);
}));
function listMembers() {
return _listMembers.apply(this, arguments);
}
return listMembers;
}()
}, {
key: "_throwIfNotMembers",
value: function _throwIfNotMembers() {
if (!this._members) throw new Error('Thread: Not a members only thread, function not available');
}
/**
* Delete post
*
* @param {String} id Moderator Id
*/
}, {
key: "deletePost",
value: function () {
var _deletePost = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee7(hash) {
return _regenerator["default"].wrap(function _callee7$(_context7) {
while (1) {
switch (_context7.prev = _context7.next) {
case 0:
this._requireLoad();
this._requireAuth();
return _context7.abrupt("return", this._db.remove(hash));
case 3:
case "end":
return _context7.stop();
}
}
}, _callee7, this);
}));
function deletePost(_x4) {
return _deletePost.apply(this, arguments);
}
return deletePost;
}()
/**
* Returns an array of posts, based on the options.
* If hash not found when passing gt, gte, lt, or lte,
* the iterator will return all items (respecting limit and reverse).
*
* @param {Object} opts Optional parameters
* @param {String} opts.gt Greater than, takes an postId
* @param {String} opts.gte Greater than or equal to, takes an postId
* @param {String} opts.lt Less than, takes an postId
* @param {String} opts.lte Less than or equal to, takes an postId
* @param {Integer} opts.limit Limiting the number of entries in result, defaults to -1 (no limit)
* @param {Boolean} opts.reverse If set to true will result in reversing the result
*
* @return {Array<Object>} true if successful
*/
}, {
key: "getPosts",
value: function () {
var _getPosts = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee8() {
var _this = this;
var opts,
decrypt,
_args8 = arguments;
return _regenerator["default"].wrap(function _callee8$(_context8) {
while (1) {
switch (_context8.prev = _context8.next) {
case 0:
opts = _args8.length > 0 && _args8[0] !== undefined ? _args8[0] : {};
decrypt = function decrypt(entry) {
if (!_this._confidential) return entry;
var message = _this._symDecrypt(entry.message);
return {
message: message,
timestamp: entry.timestamp
};
};
this._requireLoad();
if (!opts.limit) opts.limit = -1;
return _context8.abrupt("return", this._db.iterator(opts).collect().map(function (entry) {
var post = decrypt(entry.payload.value);
var metaData = {
postId: entry.hash,
author: entry.identity.id
};
return Object.assign(metaData, post);
}));
case 5:
case "end":
return _context8.stop();
}
}
}, _callee8, this);
}));
function getPosts() {
return _getPosts.apply(this, arguments);
}
return getPosts;
}()
/**
* Register a function to be called after new updates
* have been received from the network or locally.
*
* @param {Function} updateFn The function that will get called
*/
}, {
key: "onUpdate",
value: function () {
var _onUpdate = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee9(updateFn) {
return _regenerator["default"].wrap(function _callee9$(_context9) {
while (1) {
switch (_context9.prev = _context9.next) {
case 0:
this._requireLoad();
this._db.events.on('replicated', function (address, hash, entry, prog, tot) {
updateFn();
});
this._db.events.on('write', function (dbname, entry) {
updateFn();
});
case 3:
case "end":
return _context9.stop();
}
}
}, _callee9, this);
}));
function onUpdate(_x5) {
return _onUpdate.apply(this, arguments);
}
return onUpdate;
}()
/**
* Register a function to be called for every new
* capability that is added to the thread access controller.
* This inlcudes when a moderator or member is added.
* The function takes one parameter, which is the capabilities obj, or
* you can call listModerator / listMembers again instead.
*
* @param {Function} updateFn The function that will get called
*/
}, {
key: "onNewCapabilities",
value: function () {
var _onNewCapabilities = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee10(updateFn) {
var _this2 = this;
return _regenerator["default"].wrap(function _callee10$(_context10) {
while (1) {
switch (_context10.prev = _context10.next) {
case 0:
this._db.access.on('updated', function (event) {
updateFn(_this2._db.access.capabilities);
});
case 1:
case "end":
return _context10.stop();
}
}
}, _callee10, this);
}));
function onNewCapabilities(_x6) {
return _onNewCapabilities.apply(this, arguments);
}
return onNewCapabilities;
}() // Loads by orbitdb address or db name
}, {
key: "_load",
value: function () {
var _load2 = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee11(dbString) {
var loadByAddress;
return _regenerator["default"].wrap(function _callee11$(_context11) {
while (1) {
switch (_context11.prev = _context11.next) {
case 0:
loadByAddress = dbString && orbitAddress.isValid(dbString);
if (loadByAddress) {
_context11.next = 4;
break;
}
_context11.next = 4;
return this._initAcConfigs();
case 4:
_context11.next = 6;
return this._replicator._orbitdb.feed(dbString || this._name, _objectSpread(_objectSpread({}, ORBITDB_OPTS), {}, {
accessController: this._accessController
}));
case 6:
this._db = _context11.sent;
_context11.next = 9;
return this._db.load();
case 9:
if (loadByAddress) {
this._firstModerator = this._db.access._firstModerator;
this._members = this._db.access._members;
this._encKeyId = this._db.access._encKeyId;
this._confidential = Boolean(this._db.access._encKeyId);
this._name = this._db.address.path;
this._spaceName = this._name.split('.')[2];
}
this._address = this._db.address.toString();
this._replicator.ensureConnected(this._address, true);
return _context11.abrupt("return", this._address);
case 13:
case "end":
return _context11.stop();
}
}
}, _callee11, this);
}));
function _load(_x7) {
return _load2.apply(this, arguments);
}
return _load;
}()
}, {
key: "_initConfidential",
value: function () {
var _initConfidential2 = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee12() {
var _this3 = this;
var encryptedKey;
return _regenerator["default"].wrap(function _callee12$(_context12) {
while (1) {
switch (_context12.prev = _context12.next) {
case 0:
if (!this._symKey) {
_context12.next = 13;
break;
}
if (!(this._user.DID !== this._firstModerator)) {
_context12.next = 3;
break;
}
throw new Error('_initConfidential: firstModerator must initialize a confidential thread');
case 3:
_context12.t0 = this._db.access;
_context12.t1 = MODERATOR;
_context12.t2 = this._firstModerator;
_context12.next = 8;
return this._encryptSymKey();
case 8:
_context12.t3 = _context12.sent;
_context12.next = 11;
return _context12.t0.grant.call(_context12.t0, _context12.t1, _context12.t2, _context12.t3);
case 11:
_context12.next = 28;
break;
case 13:
encryptedKey = null;
_context12.prev = 14;
encryptedKey = this._db.access.getEncryptedKey(this._user.DID);
_context12.next = 23;
break;
case 18:
_context12.prev = 18;
_context12.t4 = _context12["catch"](14);
_context12.next = 22;
return new Promise(function (resolve, reject) {
_this3.onNewCapabilities(function (val) {
var key = null;
try {
key = _this3._db.access.getEncryptedKey(_this3._user.DID);
} catch (e) {}
if (key !== null) resolve(key);
});
setTimeout(function () {
return resolve(null);
}, 10000);
});
case 22:
encryptedKey = _context12.sent;
case 23:
if (encryptedKey) {
_context12.next = 25;
break;
}
throw new Error("_initConfidential: no access for ".concat(this._user.DID));
case 25:
_context12.next = 27;
return this._decryptSymKey(encryptedKey);
case 27:
this._symKey = _context12.sent;
case 28:
case "end":
return _context12.stop();
}
}
}, _callee12, this, [[14, 18]]);
}));
function _initConfidential() {
return _initConfidential2.apply(this, arguments);
}
return _initConfidential;
}()
}, {
key: "_requireLoad",
value: function _requireLoad() {
if (!this._db) throw new Error('_load must be called before interacting with the store');
}
}, {
key: "_requireAuth",
value: function _requireAuth() {
if (!this._authenticated) throw new Error('You must authenticate before performing this action');
}
}, {
key: "close",
value: function () {
var _close = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee13() {
return _regenerator["default"].wrap(function _callee13$(_context13) {
while (1) {
switch (_context13.prev = _context13.next) {
case 0:
this._requireLoad();
_context13.next = 3;
return this._db.close();
case 3:
case "end":
return _context13.stop();
}
}
}, _callee13, this);
}));
function close() {
return _close.apply(this, arguments);
}
return close;
}()
}, {
key: "_setIdentity",
value: function () {
var _setIdentity2 = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee14(odbId) {
return _regenerator["default"].wrap(function _callee14$(_context14) {
while (1) {
switch (_context14.prev = _context14.next) {
case 0:
this._db.setIdentity(odbId);
this._db.access._db.setIdentity(odbId);
this._authenticated = true; // TODO not too clear hear, but does require auth, and to be after load
if (!this._confidential) {
_context14.next = 6;
break;
}
_context14.next = 6;
return this._initConfidential();
case 6:
case "end":
return _context14.stop();
}
}
}, _callee14, this);
}));
function _setIdentity(_x8) {
return _setIdentity2.apply(this, arguments);
}
return _setIdentity;
}()
}, {
key: "_initAcConfigs",
value: function () {
var _initAcConfigs2 = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee15() {
return _regenerator["default"].wrap(function _callee15$(_context15) {
while (1) {
switch (_context15.prev = _context15.next) {
case 0:
if (!this._accessController) {
_context15.next = 2;
break;
}
return _context15.abrupt("return");
case 2:
if (!this._firstModerator.startsWith('0x')) {
_context15.next = 6;
break;
}
_context15.next = 5;
return API.getSpaceDID(this._firstModerator, this._spaceName);
case 5:
this._firstModerator = _context15.sent;
case 6:
this._accessController = {
type: 'thread-access',
threadName: this._name,
members: this._members,
firstModerator: this._firstModerator
};
if (this._encKeyId) {
this._accessController.encKeyId = this._encKeyId;
}
case 8:
case "end":
return _context15.stop();
}
}
}, _callee15, this);
}));
function _initAcConfigs() {
return _initAcConfigs2.apply(this, arguments);
}
return _initAcConfigs;
}()
}, {
key: "_symEncrypt",
value: function _symEncrypt(message) {
var msg = utils.pad(JSON.stringify(message));
return symEncryptBase(msg, this._symKey);
}
}, {
key: "_symDecrypt",
value: function _symDecrypt(payload) {
var paddedMsg = symDecryptBase(payload.ciphertext, this._symKey, payload.nonce);
return JSON.parse(utils.unpad(paddedMsg));
}
}, {
key: "_encryptSymKey",
value: function () {
var _encryptSymKey2 = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee16(to) {
return _regenerator["default"].wrap(function _callee16$(_context16) {
while (1) {
switch (_context16.prev = _context16.next) {
case 0:
if (this._confidential) {
_context16.next = 2;
break;
}
return _context16.abrupt("return", null);
case 2:
return _context16.abrupt("return", this._user.encrypt(this._symKey, {
to: to
}));
case 3:
case "end":
return _context16.stop();
}
}
}, _callee16, this);
}));
function _encryptSymKey(_x9) {
return _encryptSymKey2.apply(this, arguments);
}
return _encryptSymKey;
}()
}, {
key: "_decryptSymKey",
value: function () {
var _decryptSymKey2 = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee17(encKey) {
var key;
return _regenerator["default"].wrap(function _callee17$(_context17) {
while (1) {
switch (_context17.prev = _context17.next) {
case 0:
_context17.next = 2;
return this._user.decrypt(encKey, true);
case 2:
key = _context17.sent;
return _context17.abrupt("return", new Uint8Array(key));
case 4:
case "end":
return _context17.stop();
}
}
}, _callee17, this);
}));
function _decryptSymKey(_x10) {
return _decryptSymKey2.apply(this, arguments);
}
return _decryptSymKey;
}()
}, {
key: "address",
get: function get() {
return this._db ? this._address : null;
}
}]);
return Thread;
}();
module.exports = Thread;