feat: metadata service: make turnserver socket path configurable

chatmaild/src/chatmaild/config.py

@@ -66,6 +66,7 @@ class Config:
         self.acme_email = params.get("acme_email", "")
         self.imap_rawlog = params.get("imap_rawlog", "false").lower() == "true"
         self.imap_compress = params.get("imap_compress", "false").lower() == "true"
+        self.turn_socket_path = params.get("turn_socket_path", "/run/chatmail-turn/turn.socket")
         if "iroh_relay" not in params:
             self.iroh_relay = "https://" + raw_domain
             self.enable_iroh_relay = True

chatmaild/src/chatmaild/ini/chatmail.ini.f

@@ -63,7 +63,10 @@ passthrough_recipients =
 # Deployment Details
 #
 
-# SMTP outgoing filtermail and reinjection 
+# Path to the TURN server Unix socket
+turn_socket_path = /run/chatmail-turn/turn.socket
+
+# SMTP outgoing filtermail and reinjection
 filtermail_smtp_port = 10080
 postfix_reinject_port = 10025
 

chatmaild/src/chatmaild/metadata.py

@@ -79,12 +79,13 @@ class Metadata:
 
 
 class MetadataDictProxy(DictProxy):
-    def __init__(self, notifier, metadata, iroh_relay=None, turn_hostname=None):
+    def __init__(self, notifier, metadata, iroh_relay=None, turn_hostname=None, turn_socket_path=None):
         super().__init__()
         self.notifier = notifier
         self.metadata = metadata
         self.iroh_relay = iroh_relay
         self.turn_hostname = turn_hostname
+        self.turn_socket_path = turn_socket_path
 
     def handle_lookup(self, parts):
         # Lpriv/43f5f508a7ea0366dff30200c15250e3/devicetoken\tlkj123poi@c2.testrun.org
@@ -101,7 +102,7 @@ class MetadataDictProxy(DictProxy):
                             return f"O{self.iroh_relay}\n"
                         case "turn":
                             try:
-                                res = turn_credentials()
+                                res = turn_credentials(self.turn_socket_path)
                             except Exception:
                                 logging.exception("failed to get TURN credentials")
                                 return "N\n"
@@ -135,6 +136,7 @@ def main():
     config = read_config(config_path)
     iroh_relay = config.iroh_relay
     mail_domain = config.mail_domain
+    socket_path = config.turn_socket_path
 
     vmail_dir = config.mailboxes_dir
     if not vmail_dir.exists():
@@ -152,6 +154,7 @@ def main():
         metadata=metadata,
         iroh_relay=iroh_relay,
         turn_hostname=mail_domain,
+        turn_socket_path=socket_path,
     )
 
     dictproxy.serve_forever_from_socket(socket)

chatmaild/src/chatmaild/turnserver.py

@@ -2,9 +2,9 @@
 import socket
 
 
-def turn_credentials() -> str:
+def turn_credentials(turn_socket_path) -> str:
     with socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) as client_socket:
         client_socket.settimeout(5)
-        client_socket.connect("/run/chatmail-turn/turn.socket")
+        client_socket.connect(turn_socket_path)
         with client_socket.makefile("rb") as file:
             return file.readline().decode("utf-8").strip()