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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;
private Gee.List<string> ignore_once = new ArrayList<string>();
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));
stream_interactor.get_module(Manager.IDENTITY).uploaded.connect((file_transfer, url) => {
ignore_once.add(url);
});
}
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) {
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.mime_type = null;
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)) {
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);
}
yield get_meta_info(file_transfer);
file_incoming(file_transfer, conversation);
}
}
private 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) {
SourceFunc callback = get_meta_info.callback;
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;
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);
os.splice(file_transfer.input_stream, 0);
os.close();
file_transfer.path = file.get_basename();
file_transfer.input_stream = file.read();
file_transfer.state = FileTransfer.State.COMPLETE;
} catch (Error e) {
file_transfer.state = FileTransfer.State.FAILED;
}
}
}
}
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