diff options
Diffstat (limited to 'plugins/http-files/src/file_provider.vala')
| -rw-r--r-- | plugins/http-files/src/file_provider.vala | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/plugins/http-files/src/file_provider.vala b/plugins/http-files/src/file_provider.vala new file mode 100644 index 00000000..b4a69ddb --- /dev/null +++ b/plugins/http-files/src/file_provider.vala @@ -0,0 +1,106 @@ +using Gee; +using Gtk; + +using Dino.Entities; + +namespace Dino.Plugins.HttpFiles { + +public class FileProvider : Plugins.FileProvider, Object { + public string id { get { return "http"; } } + + private StreamInteractor stream_interactor; + private Regex url_regex; + private Regex file_ext_regex; + + private Gee.List<string> ignore_once = new ArrayList<string>(); + + public FileProvider(StreamInteractor stream_interactor, Dino.Database dino_db) { + this.stream_interactor = stream_interactor; + 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`!()\[\]{};:'".,<>?«»“”‘’]))$"""); + this.file_ext_regex = new Regex("""\.(png|jpg|jpeg|svg|gif)"""); + + Application app = GLib.Application.get_default() as Application; + app.plugin_registry.register_message_display(new FileMessageFilterDisplay(dino_db)); + + stream_interactor.get_module(MessageProcessor.IDENTITY).message_received.connect(check_message); + stream_interactor.get_module(MessageProcessor.IDENTITY).message_sent.connect(check_message); + stream_interactor.get_module(Manager.IDENTITY).uploading.connect((file_transfer) => { + file_transfer.provider = 0; + file_incoming(file_transfer); + }); + stream_interactor.get_module(Manager.IDENTITY).uploaded.connect((file_transfer, url) => { + file_transfer.info = url; + ignore_once.add(url); + }); + } + + public void check_message(Message message, Conversation conversation) { + if (ignore_once.remove(message.body)) return; + bool in_roster = stream_interactor.get_module(RosterManager.IDENTITY).get_roster_item(conversation.account, conversation.counterpart) != null; + if (message.direction == Message.DIRECTION_RECEIVED && !in_roster) return; + if (message.body.length < 5) return; + if (!url_regex.match(message.body)) return; + if (!file_ext_regex.match(message.body)) return; + + var session = new Soup.Session(); + var head_message = new Soup.Message("HEAD", message.body); + if (head_message != null) { + session.send_message(head_message); + string? content_type = null, content_length = null; + print(message.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; + }); + if (content_type != null && content_type.has_prefix("image") && content_length != null && int.parse(content_length) < 5000000) { + Soup.Request request = session.request (message.body); + FileTransfer file_transfer = new FileTransfer(); + file_transfer.account = conversation.account; + file_transfer.counterpart = conversation.counterpart; + file_transfer.ourpart = message.ourpart; + file_transfer.encryption = Encryption.NONE; + file_transfer.time = new DateTime.now_utc(); + file_transfer.local_time = new DateTime.now_utc(); + file_transfer.direction = message.direction; + file_transfer.input_stream = request.send(); + file_transfer.file_name = message.body.substring(message.body.last_index_of("/") + 1); + file_transfer.mime_type = content_type; + file_transfer.size = int.parse(content_length); + file_transfer.state = FileTransfer.State.NOT_STARTED; + file_transfer.provider = 0; + file_transfer.info = message.body; + file_incoming(file_transfer); + } + } + } +} + +public class FileMessageFilterDisplay : Plugins.MessageDisplayProvider, Object { + public string id { get; set; default="file_message_filter"; } + public double priority { get; set; default=10; } + + public Database db; + + public FileMessageFilterDisplay(Dino.Database db) { + this.db = db; + } + + public bool can_display(Entities.Message? message) { + return message_is_file(message); + } + + public Plugins.MetaConversationItem? get_item(Entities.Message message, Conversation conversation) { + return null; + } + + private bool message_is_file(Entities.Message message) { + Qlite.QueryBuilder builder = db.file_transfer.select() + .with(db.file_transfer.info, "=", message.body) + .with(db.file_transfer.account_id, "=", message.account.id) + .with(db.file_transfer.counterpart_id, "=", db.get_jid_id(message.counterpart)); + return builder.count() > 0; + } +} + +} |