134 lines
5 KiB
JavaScript
134 lines
5 KiB
JavaScript
/* vim: ts=4:sw=4
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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'use strict';
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;(function() {
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/*********************
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*** Group Storage ***
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*********************/
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window.textsecure = window.textsecure || {};
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window.textsecure.storage = window.textsecure.storage || {};
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window.textsecure.storage.groups = {
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createNewGroup: function(numbers, groupId) {
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if (groupId !== undefined && textsecure.storage.get("group" + groupId) !== undefined)
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throw new Error("Tried to recreate group");
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while (groupId === undefined || textsecure.storage.get("group" + groupId) !== undefined)
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groupId = getString(textsecure.crypto.getRandomBytes(16));
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var me = textsecure.storage.user.getNumber();
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var haveMe = false;
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var finalNumbers = [];
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for (var i in numbers) {
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var number = numbers[i];
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if (!textsecure.utils.isNumberSane(number))
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throw new Error("Invalid number in group");
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if (number == me)
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haveMe = true;
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if (finalNumbers.indexOf(number) < 0)
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finalNumbers.push(number);
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}
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if (!haveMe)
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finalNumbers.push(me);
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var groupObject = {numbers: finalNumbers, numberRegistrationIds: {}};
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for (var i in finalNumbers)
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groupObject.numberRegistrationIds[finalNumbers[i]] = {};
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textsecure.storage.put("group" + groupId, groupObject);
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return {id: groupId, numbers: finalNumbers};
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},
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getNumbers: function(groupId) {
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var group = textsecure.storage.get("group" + groupId);
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if (group === undefined)
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return undefined;
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return group.numbers;
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},
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removeNumber: function(groupId, number) {
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var group = textsecure.storage.get("group" + groupId);
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if (group === undefined)
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return undefined;
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var me = textsecure.storage.user.getNumber();
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if (number == me)
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throw new Error("Cannot remove ourselves from a group, leave the group instead");
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var i = group.numbers.indexOf(number);
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if (i > -1) {
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group.numbers.slice(i, 1);
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delete group.numberRegistrationIds[number];
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textsecure.storage.put("group" + groupId, group);
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}
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return group.numbers;
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},
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addNumbers: function(groupId, numbers) {
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var group = textsecure.storage.get("group" + groupId);
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if (group === undefined)
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return undefined;
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for (var i in numbers) {
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var number = numbers[i];
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if (!textsecure.utils.isNumberSane(number))
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throw new Error("Invalid number in set to add to group");
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if (group.numbers.indexOf(number) < 0) {
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group.numbers.push(number);
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group.numberRegistrationIds[number] = {};
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}
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}
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textsecure.storage.put("group" + groupId, group);
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return group.numbers;
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},
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deleteGroup: function(groupId) {
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textsecure.storage.remove("group" + groupId);
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},
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getGroup: function(groupId) {
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var group = textsecure.storage.get("group" + groupId);
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if (group === undefined)
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return undefined;
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return { id: groupId, numbers: group.numbers }; //TODO: avatar/name tracking
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},
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needUpdateByDeviceRegistrationId: function(groupId, number, encodedNumber, registrationId) {
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var group = textsecure.storage.get("group" + groupId);
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if (group === undefined)
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throw new Error("Unknown group for device registration id");
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if (group.numberRegistrationIds[number] === undefined)
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throw new Error("Unknown number in group for device registration id");
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if (group.numberRegistrationIds[number][encodedNumber] == registrationId)
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return false;
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var needUpdate = group.numberRegistrationIds[number][encodedNumber] !== undefined;
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group.numberRegistrationIds[number][encodedNumber] = registrationId;
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textsecure.storage.put("group" + groupId, group);
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return needUpdate;
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},
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};
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})();
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