using Dino.Entities; using Xmpp; using Gee; namespace Dino.Plugins.HttpFiles { public class HttpFileSender : FileSender, Object { private StreamInteractor stream_interactor; private Database db; private HashMap max_file_sizes = new HashMap(Account.hash_func, Account.equals_func); public HttpFileSender(StreamInteractor stream_interactor, Database db) { this.stream_interactor = stream_interactor; this.db = db; stream_interactor.stream_negotiated.connect(on_stream_negotiated); stream_interactor.get_module(MessageProcessor.IDENTITY).build_message_stanza.connect(check_add_oob); } public async FileSendData? prepare_send_file(Conversation conversation, FileTransfer file_transfer, FileMeta file_meta) throws FileSendError { HttpFileSendData send_data = new HttpFileSendData(); if (send_data == null) return null; Xmpp.XmppStream? stream = stream_interactor.get_stream(file_transfer.account); if (stream == null) return null; try { var slot_result = yield stream_interactor.module_manager.get_module(file_transfer.account, Xmpp.Xep.HttpFileUpload.Module.IDENTITY).request_slot(stream, file_transfer.server_file_name, file_meta.size, file_meta.mime_type); send_data.url_down = slot_result.url_get; send_data.url_up = slot_result.url_put; } catch (Xep.HttpFileUpload.HttpFileTransferError e) { throw new FileSendError.UPLOAD_FAILED("Http file upload XMPP error: %s".printf(e.message)); } return send_data; } public async void send_file(Conversation conversation, FileTransfer file_transfer, FileSendData file_send_data, FileMeta file_meta) throws FileSendError { HttpFileSendData? send_data = file_send_data as HttpFileSendData; if (send_data == null) return; yield upload(file_transfer, send_data, file_meta); file_transfer.info = send_data.url_down; // store the message content temporarily so the message gets filtered out Entities.Message message = stream_interactor.get_module(MessageProcessor.IDENTITY).create_out_message(send_data.url_down, conversation); message.encryption = send_data.encrypt_message ? conversation.encryption : Encryption.NONE; stream_interactor.get_module(MessageProcessor.IDENTITY).send_message(message, conversation); file_transfer.info = message.id.to_string(); ContentItem? content_item = stream_interactor.get_module(ContentItemStore.IDENTITY).get_item(conversation, 1, message.id); if (content_item != null) { stream_interactor.get_module(ContentItemStore.IDENTITY).set_item_hide(content_item, true); } } public bool can_send(Conversation conversation, FileTransfer file_transfer) { if (!max_file_sizes.has_key(conversation.account)) return false; return file_transfer.size < max_file_sizes[conversation.account]; } public bool can_encrypt(Conversation conversation, FileTransfer file_transfer) { return false; } public bool is_upload_available(Conversation conversation) { lock (max_file_sizes) { return max_file_sizes.has_key(conversation.account); } } public long get_max_file_size(Account account) { lock (max_file_sizes) { return max_file_sizes[account]; } } private static void transfer_more_bytes(InputStream stream, Soup.MessageBody body) { uint8[] bytes = new uint8[4096]; ssize_t read = stream.read(bytes); if (read == 0) { body.complete(); return; } bytes.length = (int)read; body.append_buffer(new Soup.Buffer.take(bytes)); } private async void upload(FileTransfer file_transfer, HttpFileSendData file_send_data, FileMeta file_meta) throws FileSendError { Xmpp.XmppStream? stream = stream_interactor.get_stream(file_transfer.account); if (stream == null) return; Soup.Message message = new Soup.Message("PUT", file_send_data.url_up); message.request_headers.set_content_type(file_meta.mime_type, null); message.request_headers.set_content_length(file_meta.size); message.request_body.set_accumulate(false); message.wrote_headers.connect(() => transfer_more_bytes(file_transfer.input_stream, message.request_body)); message.wrote_chunk.connect(() => transfer_more_bytes(file_transfer.input_stream, message.request_body)); Soup.Session session = new Soup.Session(); try { yield session.send_async(message); if (message.status_code < 200 || message.status_code >= 300) { throw new FileSendError.UPLOAD_FAILED("HTTP status code %s".printf(message.status_code.to_string())); } } catch (Error e) { throw new FileSendError.UPLOAD_FAILED("HTTP upload error: %s".printf(e.message)); } } private void on_stream_negotiated(Account account, XmppStream stream) { stream_interactor.module_manager.get_module(account, Xmpp.Xep.HttpFileUpload.Module.IDENTITY).feature_available.connect((stream, max_file_size) => { lock (max_file_sizes) { max_file_sizes[account] = max_file_size; } upload_available(account); }); } private void check_add_oob(Entities.Message message, Xmpp.MessageStanza message_stanza, Conversation conversation) { if (message.encryption == Encryption.NONE && message_is_file(db, message) && message.body.has_prefix("http")) { Xep.OutOfBandData.add_url_to_message(message_stanza, message_stanza.body); } } public int get_id() { return 0; } public float get_priority() { return 100; } } }