From 9ea16b6d8568cb383eb1f469d1dc54bfcad4f188 Mon Sep 17 00:00:00 2001
From: fiaxh <git@mx.ax.lt>
Date: Mon, 16 Oct 2017 00:23:51 +0200
Subject: PGP encrypted file transfers

---
 libdino/src/entity/file_transfer.vala |  9 +++++++
 libdino/src/service/file_manager.vala | 45 ++++++++++++++++++++++++++++-------
 2 files changed, 46 insertions(+), 8 deletions(-)

(limited to 'libdino')

diff --git a/libdino/src/entity/file_transfer.vala b/libdino/src/entity/file_transfer.vala
index 10fe99f5..e26b723c 100644
--- a/libdino/src/entity/file_transfer.vala
+++ b/libdino/src/entity/file_transfer.vala
@@ -25,6 +25,11 @@ public class FileTransfer : Object {
     public OutputStream output_stream { get; set; }
 
     public string file_name { get; set; }
+    private string? server_file_name_ = null;
+    public string server_file_name {
+        get { return server_file_name_ ?? file_name; }
+        set { server_file_name_ = value; }
+    }
     public string path { get; set; }
     public string mime_type { get; set; }
     public int size { get; set; }
@@ -90,6 +95,10 @@ public class FileTransfer : Object {
         notify.connect(on_update);
     }
 
+    public string get_uri() {
+        return Path.build_filename(Dino.get_storage_dir(), "files", path);
+    }
+
     private void on_update(Object o, ParamSpec sp) {
         Qlite.UpdateBuilder update_builder = db.file_transfer.update().with(db.file_transfer.id, "=", id);
         switch (sp.name) {
diff --git a/libdino/src/service/file_manager.vala b/libdino/src/service/file_manager.vala
index 6517e9a5..92ca7506 100644
--- a/libdino/src/service/file_manager.vala
+++ b/libdino/src/service/file_manager.vala
@@ -16,6 +16,8 @@ public class FileManager : StreamInteractionModule, Object {
     private StreamInteractor stream_interactor;
     private Database db;
     private Gee.List<FileSender> file_senders = new ArrayList<FileSender>();
+    private Gee.List<IncommingFileProcessor> incomming_processors = new ArrayList<IncommingFileProcessor>();
+    private Gee.List<OutgoingFileProcessor> outgoing_processors = new ArrayList<OutgoingFileProcessor>();
 
     public static void start(StreamInteractor stream_interactor, Database db) {
         FileManager m = new FileManager(stream_interactor, db);
@@ -46,12 +48,19 @@ public class FileManager : StreamInteractionModule, Object {
         file_transfer.encryption = Encryption.NONE;
         file_transfer.file_name = file_info.get_display_name();
         file_transfer.input_stream = file.read();
+
         file_transfer.mime_type = file_info.get_content_type();
         file_transfer.size = (int)file_info.get_size();
         save_file(file_transfer);
 
         file_transfer.persist(db);
 
+        foreach (OutgoingFileProcessor processor in outgoing_processors) {
+            if (processor.can_process(conversation, file_transfer)) {
+                processor.process(conversation, file_transfer);
+            }
+        }
+
         foreach (FileSender file_sender in file_senders) {
             if (file_sender.can_send(conversation, file_transfer)) {
                 file_sender.send_file(conversation, file_transfer);
@@ -88,11 +97,7 @@ public class FileManager : StreamInteractionModule, Object {
     }
 
     public void add_provider(FileProvider file_provider) {
-        file_provider.file_incoming.connect((file_transfer) => {
-            save_file(file_transfer);
-            file_transfer.persist(db);
-            received_file(file_transfer);
-        });
+        file_provider.file_incoming.connect(handle_incomming_file);
     }
 
     public void add_sender(FileSender file_sender) {
@@ -102,6 +107,30 @@ public class FileManager : StreamInteractionModule, Object {
         });
     }
 
+    public void add_incomming_processor(IncommingFileProcessor processor) {
+        incomming_processors.add(processor);
+    }
+
+    public void add_outgoing_processor(OutgoingFileProcessor processor) {
+        outgoing_processors.add(processor);
+    }
+
+    private void handle_incomming_file(FileTransfer file_transfer) {
+        foreach (IncommingFileProcessor processor in incomming_processors) {
+            if (processor.can_process(file_transfer)) {
+                processor.process(file_transfer);
+            }
+        }
+        save_file(file_transfer);
+
+        File file = File.new_for_path(file_transfer.get_uri());
+        FileInfo file_info = file.query_info("*", FileQueryInfoFlags.NONE);
+        file_transfer.mime_type = file_info.get_content_type();
+
+        file_transfer.persist(db);
+        received_file(file_transfer);
+    }
+
     private void save_file(FileTransfer file_transfer) {
         string filename = Random.next_int().to_string("%x") + "_" + file_transfer.file_name;
         File file = File.new_for_path(Path.build_filename(get_storage_dir(), filename));
@@ -132,12 +161,12 @@ public interface FileSender : Object {
 
 public interface IncommingFileProcessor : Object {
     public abstract bool can_process(FileTransfer file_transfer);
-    public abstract FileTransfer process(FileTransfer file_transfer);
+    public abstract void process(FileTransfer file_transfer);
 }
 
 public interface OutgoingFileProcessor : Object {
-    public abstract bool can_process(FileTransfer file_transfer);
-    public abstract FileTransfer process(FileTransfer file_transfer);
+    public abstract bool can_process(Conversation conversation, FileTransfer file_transfer);
+    public abstract void process(Conversation conversation, FileTransfer file_transfer);
 }
 
 }
-- 
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