Add support for creating and federating direct messages

src/controller/api/status.c

@@ -148,6 +148,11 @@ bool handle_post( struct http_request* req, struct account* a )
 
 	s->published = time(NULL);
 	s->source = strdup( params.status );
+
+	if( 0 == strcmp( "direct", params.visibility ) ) {
+		s->visibility = status_visibility_direct;
+	}
+
 	status_save_new(s);
 
 	char key[32];

src/model/activity.c

@@ -291,8 +291,15 @@ struct ap_object* activity_create_Note( struct status* s )
 		act->attributed_to = strdup( a->account_url );
 		account_free(a);
 	}
-	char* str = strdup("https://www.w3.org/ns/activitystreams#Public");
-	array_append( &act->to, sizeof(str), &str );
+
+	char* str = NULL;
+	switch( s->visibility ) {
+		case status_visibility_public:
+			{
+				str = strdup("https://www.w3.org/ns/activitystreams#Public");
+				array_append( &act->to, sizeof(str), &str );
+			}; break;
+	}
 
 	for( int i = 0; i < s->media2.count; ++i ) {
 		struct media* m = s->media2.items[i];

src/model/status.c

@@ -302,6 +302,19 @@ bool status_sync_from_activity_pub( struct status* s, struct ap_object* act )
 		goto failed;
 	}
 
+	bool is_public = false;
+	for( int i = 0; i < act->to.count; ++i ) {
+		if( 0 == strcmp( act->to.items[i], "https://www.w3.org/ns/activitystreams#Public" ) ) {
+			is_public = true;
+		}
+	}
+
+	if( is_public ) {
+		s->visibility = status_visibility_public;
+	} else {
+		s->visibility = status_visibility_direct;
+	}
+
 	s->account_id = a->id;
 	s->published = act->published;
 	s->remote = true;