anotherim-desktop/plugins/openpgp/src/out_file_processor.vala

using Dino.Entities;

namespace Dino.Plugins.OpenPgp {

public class OutFileProcessor : OutgoingFileProcessor, Object {

    StreamInteractor stream_interactor;

    public OutFileProcessor(StreamInteractor stream_interactor) {
        this.stream_interactor = stream_interactor;
    }

    public bool can_process(Conversation conversation, FileTransfer file_transfer) {
        return conversation.encryption == Encryption.PGP;
    }

    public void process(Conversation conversation, FileTransfer file_transfer) {
        string path = file_transfer.get_file().get_path();
        try {
            GPG.Key[] keys = stream_interactor.get_module(Manager.IDENTITY).get_key_fprs(conversation);
            uint8[] enc_content = GPGHelper.encrypt_file(path, keys, GPG.EncryptFlags.ALWAYS_TRUST, file_transfer.file_name);
            file_transfer.input_stream = new MemoryInputStream.from_data(enc_content, GLib.free);
            file_transfer.encryption = Encryption.PGP;
            file_transfer.server_file_name = Xmpp.random_uuid() + ".pgp";
        } catch (Error e) {
            warning(@"PGP file encryption error: $(e.message)\n");
            file_transfer.state = FileTransfer.State.FAILED;
        }
    }
}

}