using Gee; using Gtk; using Dino.Entities; using Xmpp; namespace Dino.Plugins.HttpFiles { public class FileProvider : Dino.FileProvider, Object { public string id { get { return "http"; } } private StreamInteractor stream_interactor; private Dino.Database dino_db; private Regex url_regex; public FileProvider(StreamInteractor stream_interactor, Dino.Database dino_db) { this.stream_interactor = stream_interactor; this.dino_db = dino_db; this.url_regex = new Regex("""^(?i)\b((?:[a-z][\w-]+:(?:\/{1,3}|[a-z0-9%])|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}\/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?«»“”‘’]))$"""); stream_interactor.get_module(MessageProcessor.IDENTITY).received_pipeline.connect(new ReceivedMessageListener(this)); } private class ReceivedMessageListener : MessageListener { public string[] after_actions_const = new string[]{ "STORE" }; public override string action_group { get { return ""; } } public override string[] after_actions { get { return after_actions_const; } } private FileProvider outer; private StreamInteractor stream_interactor; public ReceivedMessageListener(FileProvider outer) { this.outer = outer; this.stream_interactor = outer.stream_interactor; } public override async bool run(Entities.Message message, Xmpp.MessageStanza stanza, Conversation conversation) { if (outer.url_regex.match(message.body)) { string? oob_url = Xmpp.Xep.OutOfBandData.get_url_from_message(message.stanza); if (oob_url != null && oob_url == message.body) { yield outer.on_file_message(message, conversation); } } return false; } } private async void on_file_message(Entities.Message message, Conversation conversation) { FileTransfer file_transfer = new FileTransfer(); file_transfer.account = conversation.account; file_transfer.counterpart = message.counterpart; file_transfer.ourpart = message.ourpart; file_transfer.encryption = Encryption.NONE; file_transfer.time = message.time; file_transfer.local_time = message.local_time; file_transfer.direction = message.direction; file_transfer.file_name = message.body.substring(message.body.last_index_of("/") + 1); file_transfer.size = -1; file_transfer.state = FileTransfer.State.NOT_STARTED; file_transfer.provider = 0; file_transfer.info = message.id.to_string(); if (stream_interactor.get_module(FileManager.IDENTITY).is_sender_trustworthy(file_transfer, conversation)) { yield get_meta_info(file_transfer); if (file_transfer.size >= 0 && file_transfer.size < 5000000) { 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); } } file_incoming(file_transfer, conversation); } } public async void get_meta_info(FileTransfer file_transfer) { string url_body = dino_db.message.select({dino_db.message.body}).with(dino_db.message.id, "=", int.parse(file_transfer.info))[dino_db.message.body]; var session = new Soup.Session(); var head_message = new Soup.Message("HEAD", url_body); if (head_message != null) { yield session.send_async(head_message, null); string? content_type = null, content_length = null; print(url_body + ":\n"); head_message.response_headers.foreach((name, val) => { print(name + " " + val + "\n"); if (name == "Content-Type") content_type = val; if (name == "Content-Length") content_length = val; }); file_transfer.mime_type = content_type; if (content_length != null) { file_transfer.size = int.parse(content_length); } } } public async void download(FileTransfer file_transfer, File file_) { try { File file = file_; string url_body = dino_db.message.select({dino_db.message.body}).with(dino_db.message.id, "=", int.parse(file_transfer.info))[dino_db.message.body]; var session = new Soup.Session(); Soup.Request request = session.request(url_body); file_transfer.input_stream = yield request.send_async(null); foreach (IncommingFileProcessor processor in stream_interactor.get_module(FileManager.IDENTITY).incomming_processors) { if (processor.can_process(file_transfer)) { processor.process(file_transfer); } } if (file_transfer.encryption == Encryption.PGP || file.get_path().has_suffix(".pgp")) { file = File.new_for_path(file.get_path().substring(0, file.get_path().length - 4)); } OutputStream os = file.create(FileCreateFlags.REPLACE_DESTINATION); yield os.splice_async(file_transfer.input_stream, 0); os.close(); file_transfer.path = file.get_basename(); file_transfer.input_stream = yield file.read_async(); file_transfer.state = FileTransfer.State.COMPLETE; } catch (Error e) { file_transfer.state = FileTransfer.State.FAILED; } } } }