From f0abb8aaf9d06106235ca5e0e6b3ca2e425c4422 Mon Sep 17 00:00:00 2001 From: fiaxh Date: Thu, 18 Jul 2019 02:03:42 +0200 Subject: Refactor file receive/send interfaces and UI --- plugins/http-files/src/file_sender.vala | 126 ++++++++++++++++++++++++++++++++ 1 file changed, 126 insertions(+) create mode 100644 plugins/http-files/src/file_sender.vala (limited to 'plugins/http-files/src/file_sender.vala') diff --git a/plugins/http-files/src/file_sender.vala b/plugins/http-files/src/file_sender.vala new file mode 100644 index 00000000..ce40d2f8 --- /dev/null +++ b/plugins/http-files/src/file_sender.vala @@ -0,0 +1,126 @@ +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) 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_transfer.size, file_transfer.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) throws FileSendError { + HttpFileSendData? send_data = file_send_data as HttpFileSendData; + if (send_data == null) return; + + yield upload(file_transfer, send_data); + + 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 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 async void upload(FileTransfer file_transfer, HttpFileSendData file_send_data) throws FileSendError { + Xmpp.XmppStream? stream = stream_interactor.get_stream(file_transfer.account); + if (stream == null) return; + + uint8[] buf = new uint8[256]; + Array data = new Array(false, true, 0); + size_t len = -1; + do { + try { + len = file_transfer.input_stream.read(buf); + } catch (IOError e) { + throw new FileSendError.UPLOAD_FAILED("HTTP upload: IOError reading stream: %s".printf(e.message)); + } + data.append_vals(buf, (uint) len); + } while(len > 0); + + Soup.Message message = new Soup.Message("PUT", file_send_data.url_up); + message.set_request(file_transfer.mime_type, Soup.MemoryUse.COPY, data.data); + 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; } +} + +} -- cgit v1.2.3-54-g00ecf