1 files changed, 0 insertions, 168 deletions
diff --git a/plugins/omemo/src/file_transfer/file_provider.vala b/plugins/omemo/src/file_transfer/file_provider.vala
deleted file mode 100644
index 938ec0cf..00000000
--- a/plugins/omemo/src/file_transfer/file_provider.vala
+++ /dev/null
@@ -1,168 +0,0 @@
-using Gee;
-using Gtk;
-
-using Dino.Entities;
-using Xmpp;
-using Signal;
-
-namespace Dino.Plugins.Omemo {
-
-public class FileProvider : Dino.FileProvider, Object {
-    public string id { get { return "aesgcm"; } }
-
-    private StreamInteractor stream_interactor;
-    private Dino.Database dino_db;
-    private Regex url_regex;
-
-    public FileProvider(StreamInteractor stream_interactor, Dino.Database dino_db) {
-        this.stream_interactor = stream_interactor;
-        this.dino_db = dino_db;
-        this.url_regex = /^aesgcm:\/\/(.*)#(([A-Fa-f0-9]{2}){48}|([A-Fa-f0-9]{2}){44})$/;
-
-        stream_interactor.get_module(MessageProcessor.IDENTITY).received_pipeline.connect(new ReceivedMessageListener(this));
-    }
-
-    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 (message.body.has_prefix("aesgcm://") && outer.url_regex.match(message.body)) {
-                yield outer.on_file_message(message, conversation);
-            }
-            return false;
-        }
-    }
-
-    private async void on_file_message(Entities.Message message, Conversation conversation) {
-        MatchInfo match_info;
-        this.url_regex.match(message.body, 0, out match_info);
-        string url_without_hash = match_info.fetch(1);
-
-        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 = url_without_hash.substring(url_without_hash.last_index_of("/") + 1);
-        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)) {
-            yield get_meta_info(file_transfer);
-            if (file_transfer.size >= 0 && file_transfer.size < 5000000) {
-                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);
-                }
-            }
-            file_incoming(file_transfer, conversation);
-        }
-    }
-
-    public 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];
-        string url = this.aesgcm_to_https_link(url_body);
-        var session = new Soup.Session();
-        var head_message = new Soup.Message("HEAD", url);
-        if (head_message != null) {
-            yield session.send_async(head_message, null);
-
-            if (head_message.status_code >= 200 && head_message.status_code < 300) {
-                string? content_type = null, content_length = null;
-                head_message.response_headers.foreach((name, val) => {
-                    if (name == "Content-Type") content_type = val;
-                    if (name == "Content-Length") content_length = val;
-                });
-                file_transfer.mime_type = content_type;
-                if (content_length != null) {
-                    file_transfer.size = int.parse(content_length);
-                }
-            } else {
-                warning("HTTP HEAD download status code " + head_message.status_code.to_string());
-            }
-        }
-    }
-
-    public async void download(FileTransfer file_transfer, File file) {
-        try {
-            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];
-            string url = this.aesgcm_to_https_link(url_body);
-            var session = new Soup.Session();
-            Soup.Request request = session.request(url);
-
-            file_transfer.input_stream = yield decrypt_file(yield request.send_async(null), url_body);
-            file_transfer.encryption = Encryption.OMEMO;
-
-            OutputStream os = file.create(FileCreateFlags.REPLACE_DESTINATION);
-            yield os.splice_async(file_transfer.input_stream, 0);
-            os.close();
-            file_transfer.path = file.get_basename();
-            file_transfer.input_stream = yield file.read_async();
-
-            file_transfer.state = FileTransfer.State.COMPLETE;
-        } catch (Error e) {
-            file_transfer.state = FileTransfer.State.FAILED;
-        }
-    }
-
-    public async InputStream? decrypt_file(InputStream input_stream, string url) {
-        // Decode IV and key
-        MatchInfo match_info;
-        this.url_regex.match(url, 0, out match_info);
-        uint8[] iv_and_key = hex_to_bin(match_info.fetch(2).up());
-        uint8[] iv, key;
-        if (iv_and_key.length == 44) {
-            iv = iv_and_key[0:12];
-            key = iv_and_key[12:44];
-        } else {
-            iv = iv_and_key[0:16];
-            key = iv_and_key[16:48];
-        }
-
-        // Read data
-        uint8[] buf = new uint8[256];
-        Array<uint8> data = new Array<uint8>(false, true, 0);
-        size_t len = -1;
-        do {
-            len = yield input_stream.read_async(buf);
-            data.append_vals(buf, (uint) len);
-        } while(len > 0);
-
-        // Decrypt
-        uint8[] cleartext = Signal.aes_decrypt(Cipher.AES_GCM_NOPADDING, key, iv, data.data);
-        return new MemoryInputStream.from_data(cleartext);
-    }
-
-    private uint8[] hex_to_bin(string hex) {
-        uint8[] bin = new uint8[hex.length / 2];
-        const string HEX = "0123456789ABCDEF";
-        for (int i = 0; i < hex.length / 2; i++) {
-            bin[i] = (uint8) (HEX.index_of_char(hex[i*2]) << 4) | HEX.index_of_char(hex[i*2+1]);
-        }
-        return bin;
-    }
-
-    private string aesgcm_to_https_link(string aesgcm_link) {
-        MatchInfo match_info;
-        this.url_regex.match(aesgcm_link, 0, out match_info);
-        return "https://" + match_info.fetch(1);
-    }
-}
-
-}