From e232ad5daec113b0e72ca36465589908fb9a4e3c Mon Sep 17 00:00:00 2001
From: Evelyn
Date: Wed, 12 Jul 2017 10:00:27 +0100
Subject: Add IRCv3→SASL support for nickserv auth, added optional module
 whitelist, added server option for recording channel keys, increased
 flexibility for event raising in linehandler, probably other things too

---
 modules/nickserv.py | 38 ++++++++++++++++++++++++++++++++++++--
 1 file changed, 36 insertions(+), 2 deletions(-)

(limited to 'modules/nickserv.py')

diff --git a/modules/nickserv.py b/modules/nickserv.py
index 6f1b87b3..149dc961 100644
--- a/modules/nickserv.py
+++ b/modules/nickserv.py
@@ -1,18 +1,28 @@
-
+import base64
 
 class Module(object):
     def __init__(self, bot):
+        bot.events.on("new").on("server").hook(self.on_new_server)
         bot.events.on("received").on("numeric").on("001"
             ).hook(self.on_connect)
         bot.events.on("received").on("command").on("setnickserv"
             ).hook(self.set_nickserv, min_args=1, permission="setnickserv",
             help="Set bot's nickserv password", usage="<password>",
             private_only=True)
+        bot.events.on("received").on("cap").hook(self.on_cap)
+        bot.events.on("received").on("authenticate").hook(self.on_authenticate)
+        for code in ["902", "903", "904", "905", "906", "907", "908"]:
+            bot.events.on("received").on("numeric").on(code).hook(self.on_90x)
+
+    def on_new_server(self, event):
+        event["server"].attempted_auth = False
+        event["server"].sasl_success = False
 
     def on_connect(self, event):
         nickserv_password = event["server"].get_setting(
             "nickserv-password")
-        if nickserv_password:
+        if nickserv_password and not event["server"].sasl_success:
+            event["server"].attempted_auth = True
             event["server"].send_message("nickserv",
                 "identify %s" % nickserv_password)
 
@@ -20,3 +30,27 @@ class Module(object):
         nickserv_password = event["args"]
         event["server"].set_setting("nickserv-password", nickserv_password)
         event["stdout"].write("Nickserv password saved")
+
+    def on_cap(self, event):
+        if event["subcommand"] == "NAK":
+            event["server"].send_capability_end()
+        elif event["subcommand"] == "ACK":
+            event["server"].send_authenticate("PLAIN")
+        else:
+            pass
+
+    def on_authenticate(self, event):
+        if event["message"] != "+":
+            event["server"].send_authenticate("*")
+        else:
+            nick = event["server"].original_nickname
+            password = event["server"].get_setting("nickserv-password")
+            event["server"].attempted_auth = True
+            event["server"].send_authenticate(
+                base64.b64encode(("%s\0%s\0%s" % (nick, nick, password)).encode("utf8")).decode("utf8")
+            )
+
+    def on_90x(self, event):
+        if event["number"]=="903":
+            event["server"].sasl_success = True
+        event["server"].send_capability_end()
-- 
cgit v1.3.1-10-gc9f91