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Support for group sync

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Protocol and handling is all analogous to contact sync: Multiple
GroupDetails structs are packed into a single attachment blob and parsed
on our end. We don't display the synced groups in the conversation list
until a new message is sent to one of them.

// FREEBIE
This commit is contained in:
lilia 2015-06-22 14:45:42 -07:00
parent 3dd8056487
commit 5925c2fe84
9 changed files with 246 additions and 69 deletions
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42
libtextsecure/contacts_parser.js
View file

@ -1,32 +1,52 @@
/*
* vim: ts=4:sw=4:expandtab
*/
function ContactBuffer(arrayBuffer) {
function ProtoParser(arrayBuffer, protobuf) {
this.protobuf = protobuf;
this.buffer = new dcodeIO.ByteBuffer();
this.buffer.append(arrayBuffer);
this.buffer.offset = 0;
this.buffer.limit = arrayBuffer.byteLength;
}
ContactBuffer.prototype = {
constructor: ContactBuffer,
readContact: function() {
ProtoParser.prototype = {
constructor: ProtoParser,
next: function() {
try {
if (this.buffer.limit === this.buffer.offset) {
return undefined; // eof
}
var len = this.buffer.readVarint64().toNumber();
var contactInfoBuffer = this.buffer.slice(this.buffer.offset, this.buffer.offset+len);
var contactInfo = textsecure.protobuf.ContactDetails.decode(contactInfoBuffer);
var len = this.buffer.readVarint32();
var nextBuffer = this.buffer.slice(
this.buffer.offset, this.buffer.offset+len
).toArrayBuffer();
// TODO: de-dupe ByteBuffer.js includes in libaxo/libts
// then remove this toArrayBuffer call.
var proto = this.protobuf.decode(nextBuffer);
this.buffer.skip(len);
if (contactInfo.avatar) {
var attachmentLen = contactInfo.avatar.length.toNumber();
contactInfo.avatar.data = this.buffer.slice(this.buffer.offset, this.buffer.offset + attachmentLen).toArrayBuffer(true);
if (proto.avatar) {
var attachmentLen = proto.avatar.length;
proto.avatar.data = this.buffer.slice(
this.buffer.offset, this.buffer.offset + attachmentLen
).toArrayBuffer();
this.buffer.skip(attachmentLen);
}
return contactInfo;
return proto;
} catch(e) {
console.log(e);
}
}
};
var GroupBuffer = function(arrayBuffer) {
ProtoParser.call(this, arrayBuffer, textsecure.protobuf.GroupDetails);
};
GroupBuffer.prototype = Object.create(ProtoParser.prototype);
GroupBuffer.prototype.constructor = GroupBuffer;
var ContactBuffer = function(arrayBuffer) {
ProtoParser.call(this, arrayBuffer, textsecure.protobuf.ContactDetails);
};
ContactBuffer.prototype = Object.create(ProtoParser.prototype);
ContactBuffer.prototype.constructor = ContactBuffer;