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Move, rename, and simplify toArrayBuffer helper

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This function is only ever used to convert groupIds from strings to
array buffers in sendmessage.

// FREEBIE
This commit is contained in:
lilia 2016-03-12 16:58:21 -08:00
parent c22a205d2e
commit 3e0bce2b21
4 changed files with 49 additions and 78 deletions
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52
js/libtextsecure.js
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@ -36107,32 +36107,6 @@ function getStringable(thing) {
thing.__proto__ == StaticByteBufferProto)));
}
function toArrayBuffer(thing) {
//TODO: Optimize this for specific cases
if (thing === undefined)
return undefined;
if (thing === Object(thing) && thing.__proto__ == StaticArrayBufferProto)
return thing;
if (thing instanceof Array) {
// Assuming Uint16Array from curve25519
var res = new ArrayBuffer(thing.length * 2);
var uint = new Uint16Array(res);
for (var i = 0; i < thing.length; i++)
uint[i] = thing[i];
return res;
}
if (!getStringable(thing))
throw new Error("Tried to convert a non-stringable thing of type " + typeof thing + " to an array buffer");
var str = getString(thing);
var res = new ArrayBuffer(str.length);
var uint = new Uint8Array(res);
for (var i = 0; i < str.length; i++)
uint[i] = str.charCodeAt(i);
return res;
}
// Number formatting utils
window.textsecure.utils = function() {
var self = {};
@ -37525,6 +37499,18 @@ OutgoingMessage.prototype = {
* vim: ts=4:sw=4:expandtab
*/
function stringToArrayBuffer(str) {
if (typeof str !== 'string') {
throw new Error('Passed non-string to stringToArrayBuffer');
}
var res = new ArrayBuffer(str.length);
var uint = new Uint8Array(res);
for (var i = 0; i < str.length; i++) {
uint[i] = str.charCodeAt(i);
}
return res;
}
function Message(options) {
this.body = options.body;
this.attachments = options.attachments || [];
@ -37591,7 +37577,7 @@ Message.prototype = {
}
if (this.group) {
proto.group = new textsecure.protobuf.GroupContext();
proto.group.id = toArrayBuffer(this.group.id);
proto.group.id = stringToArrayBuffer(this.group.id);
proto.group.type = this.group.type
}
@ -37847,7 +37833,7 @@ MessageSender.prototype = {
proto.group = new textsecure.protobuf.GroupContext();
return textsecure.storage.groups.createNewGroup(numbers).then(function(group) {
proto.group.id = toArrayBuffer(group.id);
proto.group.id = stringToArrayBuffer(group.id);
var numbers = group.numbers;
proto.group.type = textsecure.protobuf.GroupContext.Type.UPDATE;
@ -37867,7 +37853,7 @@ MessageSender.prototype = {
var proto = new textsecure.protobuf.DataMessage();
proto.group = new textsecure.protobuf.GroupContext();
proto.group.id = toArrayBuffer(groupId);
proto.group.id = stringToArrayBuffer(groupId);
proto.group.type = textsecure.protobuf.GroupContext.Type.UPDATE;
proto.group.name = name;
@ -37889,7 +37875,7 @@ MessageSender.prototype = {
addNumberToGroup: function(groupId, number) {
var proto = new textsecure.protobuf.DataMessage();
proto.group = new textsecure.protobuf.GroupContext();
proto.group.id = toArrayBuffer(groupId);
proto.group.id = stringToArrayBuffer(groupId);
proto.group.type = textsecure.protobuf.GroupContext.Type.UPDATE;
return textsecure.storage.groups.addNumbers(groupId, [number]).then(function(numbers) {
@ -37904,7 +37890,7 @@ MessageSender.prototype = {
setGroupName: function(groupId, name) {
var proto = new textsecure.protobuf.DataMessage();
proto.group = new textsecure.protobuf.GroupContext();
proto.group.id = toArrayBuffer(groupId);
proto.group.id = stringToArrayBuffer(groupId);
proto.group.type = textsecure.protobuf.GroupContext.Type.UPDATE;
proto.group.name = name;
@ -37920,7 +37906,7 @@ MessageSender.prototype = {
setGroupAvatar: function(groupId, avatar) {
var proto = new textsecure.protobuf.DataMessage();
proto.group = new textsecure.protobuf.GroupContext();
proto.group.id = toArrayBuffer(groupId);
proto.group.id = stringToArrayBuffer(groupId);
proto.group.type = textsecure.protobuf.GroupContext.Type.UPDATE;
return textsecure.storage.groups.getNumbers(groupId).then(function(numbers) {
@ -37938,7 +37924,7 @@ MessageSender.prototype = {
leaveGroup: function(groupId) {
var proto = new textsecure.protobuf.DataMessage();
proto.group = new textsecure.protobuf.GroupContext();
proto.group.id = toArrayBuffer(groupId);
proto.group.id = stringToArrayBuffer(groupId);
proto.group.type = textsecure.protobuf.GroupContext.Type.QUIT;
return textsecure.storage.groups.getNumbers(groupId).then(function(numbers) {