From cd15b06b65e69b771fc417c5e5f90b56feff5ce7 Mon Sep 17 00:00:00 2001
From: jesopo
Date: Tue, 2 Jul 2019 21:38:31 +0100
Subject: Intercept JOINs and attach known keys (channel_keys.py)

---
 modules/channel_keys.py | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 modules/channel_keys.py

(limited to 'modules/channel_keys.py')

diff --git a/modules/channel_keys.py b/modules/channel_keys.py
new file mode 100644
index 00000000..801393b4
--- /dev/null
+++ b/modules/channel_keys.py
@@ -0,0 +1,33 @@
+from src import ModuleManager, utils
+
+@utils.export("channelset", utils.Setting("key", "Channel key (password)",
+    example="hunter2"))
+class Module(ModuleManager.BaseModule):
+    def _get_key(self, server, channel_name):
+        channel_id = server.channels.get_id(channel_name)
+        return self.bot.database.channel_settings.get(channel_id, "key", None)
+
+    @utils.hook("preprocess.send.join")
+    def preprocess_send_join(self, event):
+        if event["line"].args:
+            channels = event["line"].args[0].split(",")
+            keys = event["line"].args[1:]
+
+            with_keys = {}
+            for channel in channels:
+                if keys:
+                    with_keys[channel] = keys.pop(0)
+                else:
+                    with_keys[channel] = self._get_key(event["server"], channel)
+
+            channels_out = []
+            keys_out = []
+
+            # sort such that channels with keys are at the start
+            for channel_name, key in sorted(with_keys.items(),
+                    key=lambda item: not bool(item[1])):
+                channels_out.append(channel_name)
+                if key:
+                    keys_out.append(key)
+            event["line"].args[0] = ",".join(channels_out)
+            event["line"].args[1:] = keys_out
-- 
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