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