74 lines
3.6 KiB
Vala
74 lines
3.6 KiB
Vala
using Gee;
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using Gtk;
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using Dino.Entities;
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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 Regex url_regex;
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private Regex file_ext_regex;
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private Gee.List<string> ignore_once = new ArrayList<string>();
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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.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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this.file_ext_regex = new Regex("""\.(png|jpg|jpeg|svg|gif)""");
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stream_interactor.get_module(MessageProcessor.IDENTITY).message_received.connect(check_message);
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stream_interactor.get_module(MessageProcessor.IDENTITY).message_sent.connect(check_message);
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stream_interactor.get_module(Manager.IDENTITY).uploaded.connect((file_transfer, url) => {
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file_transfer.info = url;
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ignore_once.add(url);
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});
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}
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public void check_message(Message message, Conversation conversation) {
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if (ignore_once.remove(message.body)) return;
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Jid relevant_jid = stream_interactor.get_module(MucManager.IDENTITY).get_real_jid(message.from, conversation.account) ?? conversation.counterpart;
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bool in_roster = stream_interactor.get_module(RosterManager.IDENTITY).get_roster_item(conversation.account, relevant_jid) != null;
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if (message.direction == Message.DIRECTION_RECEIVED && !in_roster) return;
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if (message.body.length < 5) return;
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if (!url_regex.match(message.body)) return;
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if (!file_ext_regex.match(message.body)) return;
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var session = new Soup.Session();
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var head_message = new Soup.Message("HEAD", message.body);
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if (head_message != null) {
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session.send_message(head_message);
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string? content_type = null, content_length = null;
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print(message.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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if (/*content_type != null && content_type.has_prefix("image") &&*/ content_length != null && int.parse(content_length) < 5000000) {
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Soup.Request request = session.request (message.body);
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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.input_stream = request.send();
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file_transfer.file_name = message.body.substring(message.body.last_index_of("/") + 1);
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file_transfer.mime_type = content_type;
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file_transfer.size = int.parse(content_length);
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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.body;
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file_incoming(file_transfer);
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}
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}
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}
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}
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}
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