From b45f2f4595a2b21e9d45d4708b88a6514bd4e728 Mon Sep 17 00:00:00 2001
From: Dan <14043624+delivrance@users.noreply.github.com>
Date: Sat, 17 Mar 2018 19:24:27 +0100
Subject: [PATCH] Add support for sending messages using joinchat links and
 hashes

---
 pyrogram/client/client.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pyrogram/client/client.py b/pyrogram/client/client.py
index ab0d4ab7..a9aa2e9c 100644
--- a/pyrogram/client/client.py
+++ b/pyrogram/client/client.py
@@ -23,6 +23,7 @@ import math
 import mimetypes
 import os
 import re
+import struct
 import threading
 import time
 from collections import namedtuple
@@ -916,6 +917,12 @@ class Client:
             if peer_id in ("self", "me"):
                 return InputPeerSelf()
 
+            match = self.INVITE_LINK_RE.match(peer_id)
+
+            if match:
+                decoded = base64.b64decode(match.group(1) + "=" * (-len(match.group(1)) % 4), altchars="-_")
+                return self.resolve_peer(struct.unpack(">2iq", decoded)[1])
+
             peer_id = peer_id.lower().strip("@+")
 
             try: