mirrors/signal-desktop
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages 2 Wiki Activity Actions

Move storage objects to their own files

Browse source 
Greatly reduce the size of the ignominiously named helpers.js.
This commit is contained in:
lilia 2014-10-28 20:30:35 -07:00
parent b92c5bb84e
commit 1c76c0b546
9 changed files with 336 additions and 263 deletions
Download patch file Download diff file Expand all files Collapse all files

111
js/storage/devices.js Normal file
View file

@ -0,0 +1,111 @@
/* vim: ts=4:sw=4
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
'use strict';
;(function() {
/**********************
*** Device Storage ***
**********************/
window.textsecure = window.textsecure || {};
window.textsecure.storage = window.textsecure.storage || {};
window.textsecure.storage.devices = {
saveDeviceObject: function(deviceObject) {
return internalSaveDeviceObject(deviceObject, false);
},
saveKeysToDeviceObject: function(deviceObject) {
return internalSaveDeviceObject(deviceObject, true);
},
getDeviceObjectsForNumber: function(number) {
var map = textsecure.storage.getEncrypted("devices" + number);
return map === undefined ? [] : map.devices;
},
getDeviceObject: function(encodedNumber) {
var number = textsecure.utils.unencodeNumber(encodedNumber);
var devices = textsecure.storage.devices.getDeviceObjectsForNumber(number[0]);
if (devices === undefined)
return undefined;
for (var i in devices)
if (devices[i].encodedNumber == encodedNumber)
return devices[i];
return undefined;
},
removeDeviceIdsForNumber: function(number, deviceIdsToRemove) {
var map = textsecure.storage.getEncrypted("devices" + number);
if (map === undefined)
throw new Error("Tried to remove device for unknown number");
var newDevices = [];
var devicesRemoved = 0;
for (var i in map.devices) {
var keep = true;
for (var j in deviceIdsToRemove)
if (map.devices[i].encodedNumber == number + "." + deviceIdsToRemove[j])
keep = false;
if (keep)
newDevices.push(map.devices[i]);
else
devicesRemoved++;
}
if (devicesRemoved != deviceIdsToRemove.length)
throw new Error("Tried to remove unknown device");
}
};
var internalSaveDeviceObject = function(deviceObject, onlyKeys) {
if (deviceObject.identityKey === undefined || deviceObject.encodedNumber === undefined)
throw new Error("Tried to store invalid deviceObject");
var number = textsecure.utils.unencodeNumber(deviceObject.encodedNumber)[0];
var map = textsecure.storage.getEncrypted("devices" + number);
if (map === undefined)
map = { devices: [deviceObject], identityKey: deviceObject.identityKey };
else if (map.identityKey != getString(deviceObject.identityKey))
throw new Error("Identity key changed");
else {
var updated = false;
for (var i in map.devices) {
if (map.devices[i].encodedNumber == deviceObject.encodedNumber) {
if (!onlyKeys)
map.devices[i] = deviceObject;
else {
map.devices[i].preKey = deviceObject.preKey;
map.devices[i].preKeyId = deviceObject.preKeyId;
map.devices[i].signedKey = deviceObject.signedKey;
map.devices[i].signedKeyId = deviceObject.signedKeyId;
map.devices[i].registrationId = deviceObject.registrationId;
}
updated = true;
}
}
if (!updated)
map.devices.push(deviceObject);
}
textsecure.storage.putEncrypted("devices" + number, map);
};
})();