mirror of https://github.com/TakeV-Lambda/dino.git
148 lines
6.4 KiB
Vala
148 lines
6.4 KiB
Vala
using Dino.Entities;
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using Xmpp;
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using Gee;
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namespace Dino.Plugins.HttpFiles {
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public class Manager : StreamInteractionModule, FileSender, Object {
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public static ModuleIdentity<Manager> IDENTITY = new ModuleIdentity<Manager>("http_files");
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public string id { get { return IDENTITY.id; } }
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public signal void uploading(FileTransfer file_transfer);
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public signal void uploaded(FileTransfer file_transfer, string url);
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private StreamInteractor stream_interactor;
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private Database db;
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private HashMap<Account, long> max_file_sizes = new HashMap<Account, long>(Account.hash_func, Account.equals_func);
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public static void start(StreamInteractor stream_interactor, Database db) {
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Manager m = new Manager(stream_interactor, db);
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stream_interactor.add_module(m);
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}
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private Manager(StreamInteractor stream_interactor, Database db) {
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this.stream_interactor = stream_interactor;
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this.db = db;
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stream_interactor.get_module(FileManager.IDENTITY).add_sender(this);
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stream_interactor.stream_negotiated.connect(on_stream_negotiated);
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stream_interactor.get_module(MessageProcessor.IDENTITY).build_message_stanza.connect(check_add_oob);
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}
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public delegate void OnUploadOk(XmppStream stream, string url_down);
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public delegate void OnError(XmppStream stream, string error);
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public void upload(XmppStream stream, FileTransfer file_transfer, owned OnUploadOk listener, owned OnError error_listener) {
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uint8[] buf = new uint8[256];
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Array<uint8> data = new Array<uint8>(false, true, 0);
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size_t len = -1;
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do {
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try {
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len = file_transfer.input_stream.read(buf);
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} catch (IOError error) {
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error_listener(stream, @"HTTP upload: IOError reading stream: $(error.message)");
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}
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data.append_vals(buf, (uint) len);
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} while(len > 0);
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stream_interactor.module_manager.get_module(file_transfer.account, Xmpp.Xep.HttpFileUpload.Module.IDENTITY).request_slot(stream, file_transfer.server_file_name, (int) data.length, file_transfer.mime_type,
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(stream, url_down, url_up) => {
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Soup.Message message = new Soup.Message("PUT", url_up);
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message.set_request(file_transfer.mime_type, Soup.MemoryUse.COPY, data.data);
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Soup.Session session = new Soup.Session();
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session.send_async.begin(message, null, (obj, res) => {
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try {
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session.send_async.end(res);
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if (message.status_code >= 200 && message.status_code < 300) {
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listener(stream, url_down);
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} else {
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error_listener(stream, "HTTP status code " + message.status_code.to_string());
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}
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} catch (Error e) {
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error_listener(stream, e.message);
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}
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});
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},
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(stream, error) => error_listener(stream, error));
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}
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public void send_file(Conversation conversation, FileTransfer file_transfer) {
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Xmpp.XmppStream? stream = stream_interactor.get_stream(file_transfer.account);
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if (stream != null) {
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upload(stream, file_transfer,
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(stream, url_down) => {
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uploaded(file_transfer, url_down);
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file_transfer.info = url_down; // store the message content temporarily so the message gets filtered out
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Entities.Message message = stream_interactor.get_module(MessageProcessor.IDENTITY).create_out_message(url_down, conversation);
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message.encryption = Encryption.NONE;
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stream_interactor.get_module(MessageProcessor.IDENTITY).send_message(message, conversation);
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file_transfer.info = message.id.to_string();
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ContentItem? content_item = stream_interactor.get_module(ContentItemStore.IDENTITY).get_item(conversation, 1, message.id);
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if (content_item != null) {
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stream_interactor.get_module(ContentItemStore.IDENTITY).set_item_hide(content_item, true);
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}
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},
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(stream, error_str) => {
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warning("Failed getting upload url: %s", error_str);
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file_transfer.state = FileTransfer.State.FAILED;
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}
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);
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}
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}
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public bool can_send(Conversation conversation, FileTransfer file_transfer) {
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return file_transfer.encryption != Encryption.OMEMO;
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}
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public bool is_upload_available(Conversation conversation) {
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lock (max_file_sizes) {
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return max_file_sizes.has_key(conversation.account);
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}
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}
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public long get_max_file_size(Account account) {
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lock (max_file_sizes) {
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return max_file_sizes[account];
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}
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}
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private void on_stream_negotiated(Account account, XmppStream stream) {
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stream_interactor.module_manager.get_module(account, Xmpp.Xep.HttpFileUpload.Module.IDENTITY).feature_available.connect((stream, max_file_size) => {
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lock (max_file_sizes) {
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max_file_sizes[account] = max_file_size;
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}
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upload_available(account);
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});
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}
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private void check_add_oob(Entities.Message message, Xmpp.MessageStanza message_stanza, Conversation conversation) {
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if (message_is_file(db, message) && message.body.has_prefix("http")) {
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Xep.OutOfBandData.add_url_to_message(message_stanza, message_stanza.body);
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}
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}
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}
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public class FileMessageFilter : ContentFilter, Object {
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public Database db;
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public FileMessageFilter(Dino.Database db) {
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this.db = db;
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}
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public bool discard(ContentItem content_item) {
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if (content_item.type_ == MessageItem.TYPE) {
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MessageItem message_item = content_item as MessageItem;
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return message_is_file(db, message_item.message);
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}
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return false;
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}
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}
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private bool message_is_file(Database db, Entities.Message message) {
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Qlite.QueryBuilder builder = db.file_transfer.select({db.file_transfer.id}).with(db.file_transfer.info, "=", message.id.to_string());
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Qlite.QueryBuilder builder2 = db.file_transfer.select({db.file_transfer.id}).with(db.file_transfer.info, "=", message.body);
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return builder.count() > 0 || builder2.count() > 0;
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}
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}
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