config: Add a DebugEncryption setting to enable the nio crytpo logs.

contrib/pantalaimon.conf

@@ -2,6 +2,7 @@
 LogLevel = Debug
 SSL = True
 Notifications = On
+DebugEncryption = True
 
 [local-matrix]
 Homeserver = https://localhost:8448

pantalaimon/config.py

@@ -38,6 +38,7 @@ class PanConfigParser(configparser.ConfigParser):
                 "IndexEncryptedOnly": "True",
                 "IndexingBatchSize": "100",
                 "HistoryFetchDelay": "3000",
+                "DebugEncryption": "False",
             },
             converters={
                 "address": parse_address,
@@ -146,11 +147,14 @@ class PanConfig:
         config_path (str): The path where we should search for a configuration
             file.
         filename (str): The name of the file that we should read.
+        debug_encryption (bool): Should debug logs be enabled for the Matrix
+            encryption support.
     """
 
     config_file = attr.ib()
 
     log_level = attr.ib(default=None)
+    debug_encryption = attr.ib(type=bool, default=None)
     notifications = attr.ib(default=None)
     servers = attr.ib(init=False, default=attr.Factory(dict))
 
@@ -172,6 +176,8 @@ class PanConfig:
         if self.notifications is None:
             self.notifications = config["Default"].getboolean("Notifications")
 
+        self.debug_encryption = config["Default"].getboolean("DebugEncryption")
+
         listen_set = set()
 
         try:

pantalaimon/main.py

@@ -20,6 +20,8 @@ from typing import Optional
 import click
 import janus
 import keyring
+import logbook
+import nio
 from aiohttp import web
 from appdirs import user_config_dir, user_data_dir
 from logbook import StderrHandler
@@ -127,10 +129,11 @@ async def message_router(receive_queue, send_queue, proxies):
     type=click.Choice(["error", "warning", "info", "debug"]),
     default=None,
 )
+@click.option("--debug-encryption", is_flag=True)
 @click.option("-c", "--config", type=click.Path(exists=True))
 @click.option("--data-path", type=click.Path(exists=True))
 @click.pass_context
-def main(context, log_level, config, data_path):
+def main(context, log_level, debug_encryption, config, data_path):
     loop = asyncio.get_event_loop()
 
     conf_dir = user_config_dir("pantalaimon", "")
@@ -154,6 +157,10 @@ def main(context, log_level, config, data_path):
         context.fail("Homeserver is not configured.")
 
     logger.level = pan_conf.log_level
+
+    if pan_conf.debug_encryption or debug_encryption:
+        nio.crypto.logger.level = logbook.DEBUG
+
     StderrHandler().push_application()
 
     servers = []