signal-desktop/libtextsecure/contacts_parser.js

27 lines
961 B
JavaScript

/*
* vim: ts=4:sw=4:expandtab
*/
function ContactBuffer(arrayBuffer) {
this.buffer = new dcodeIO.ByteBuffer();
this.buffer.append(arrayBuffer);
this.buffer.offset = 0;
this.buffer.limit = arrayBuffer.byteLength;
}
ContactBuffer.prototype = {
constructor: ContactBuffer,
readContact: function() {
try {
var len = this.buffer.readVarint32();
var contactInfoBuffer = this.buffer.slice(this.buffer.offset, this.buffer.offset+len);
var contactInfo = textsecure.protobuf.ContactDetails.decode(contactInfoBuffer);
this.buffer.skip(len);
var attachmentLen = contactInfo.avatar.length.toNumber();
contactInfo.avatar.data = this.buffer.slice(this.buffer.offset, this.buffer.offset + attachmentLen).toArrayBuffer(true);
this.buffer.skip(attachmentLen);
return contactInfo;
} catch(e) {
console.log(e);
}
}
};