From efb0f56598625642e2aabef52753168de5d82adc Mon Sep 17 00:00:00 2001
From: mjentsch <mtthsjntsch@gmail.com>
Date: Sat, 23 May 2015 03:10:34 +0200
Subject: [PATCH] improve secret chat error handling for unsupported features

---
 tgp-ft.c  | 11 +++++++++--
 tgp-msg.c |  5 +++++
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/tgp-ft.c b/tgp-ft.c
index 9cccbf7..f0ab7ea 100644
--- a/tgp-ft.c
+++ b/tgp-ft.c
@@ -175,8 +175,15 @@ static void tgprpl_xfer_send_init (PurpleXfer *X) {
   
   tgl_peer_t *P = find_peer_by_name (data->conn->TLS, who);
   if (P) {
-    tgl_do_send_document (data->conn->TLS, P->id, (char*) localfile, NULL,
-                          0, TGL_SEND_MSG_FLAG_DOCUMENT_AUTO, tgprpl_xfer_on_finished, data);
+    if (tgl_get_peer_type (P->id) != TGL_PEER_ENCR_CHAT) {
+      tgl_do_send_document (data->conn->TLS, P->id, (char*) localfile, NULL,
+                            0, TGL_SEND_MSG_FLAG_DOCUMENT_AUTO, tgprpl_xfer_on_finished, data);
+    }
+    else {
+      purple_notify_message (_telegram_protocol, PURPLE_NOTIFY_MSG_ERROR, "Not supported",
+                             "Sorry, sending documents to encrypted chats not yet supported.",
+                             NULL, NULL, NULL);
+    }
   }
   
   data->timer = purple_timeout_add (100, tgprpl_xfer_upload_progress, X);
diff --git a/tgp-msg.c b/tgp-msg.c
index fab41da..13654db 100644
--- a/tgp-msg.c
+++ b/tgp-msg.c
@@ -214,6 +214,11 @@ int tgp_msg_send (struct tgl_state *TLS, const char *message, tgl_peer_id_t to)
   gchar *img = NULL;
   gchar *stripped = NULL;
   if ((img = g_strrstr (message, "<IMG")) || (img = g_strrstr (message, "<img"))) {
+    if (tgl_get_peer_type(to) == TGL_PEER_ENCR_CHAT) {
+      tgp_msg_err_out (TLS, "Sorry, sending documents to encrypted chats not yet supported.", to);
+      return 0;
+    }
+    
     debug ("img found: %s", img);
     gchar *id;
     if ((id = g_strrstr (img, "ID=\"")) || (id = g_strrstr (img, "id=\""))) {