Use of WHOOGLE_TOR_CONF as env var

README.md

@@ -343,6 +343,7 @@ There are a few optional environment variables available for customizing a Whoog
 | WHOOGLE_MINIMAL      | Remove everything except basic result cards from all search queries.                      |
 | WHOOGLE_CSP          | Sets a default set of 'Content-Security-Policy' headers                                   |
 | WHOOGLE_RESULTS_PER_PAGE          | Set the number of results per page                                           |
+| WHOOGLE_TOR_CONF | The absolute path to the config file containing the password for the tor control port. Default: {whoogle path}/misc/tor/control.conf |
 
 ### Config Environment Variables
 These environment variables allow setting default config values, but can be overwritten manually by using the home page config menu. These allow a shortcut for destroying/rebuilding an instance to the same config state every time.

app/__init__.py

@@ -149,6 +149,11 @@ app.jinja_env.globals.update(
 Session(app)
 
 # Attempt to acquire tor identity, to determine if Tor config is available
+try:
+    send_tor_signal(
+        Signal.HEARTBEAT,
+        confloc=os.getenv('WHOOGLE_TOR_CONF'))
+except TypeError:
     send_tor_signal(Signal.HEARTBEAT)
 
 from app import routes  # noqa

app/request.py

@@ -37,14 +37,15 @@ class TorError(Exception):
         super().__init__(message)
 
 
-def send_tor_signal(signal: Signal) -> bool:
-    try:
-        # Try to authenticate with password.
-        with Controller.from_port(port=9051) as c:
-            with open("./misc/tor/control.conf", "r") as conf:
+def send_tor_signal(signal: Signal, confloc='./misc/tor/control.conf') -> bool:
+    with open(confloc, "r") as conf:
         for line in conf:
             pass
         secret = line
+    conf.close()
+    try:
+        # Try to authenticate with password.
+        with Controller.from_port(port=9051) as c:
                 authenticate_password(c, password=secret)
                 c.signal(signal)
                 os.environ['TOR_AVAILABLE'] = '1'
@@ -66,8 +67,7 @@ def send_tor_signal(signal: Signal) -> bool:
             os.environ['TOR_AVAILABLE'] = '0'
             print(
                 "Unable to authenticate with tor control port." +
-                "Tor will be unavailable."
-                )
+                " Tor will be unavailable.")
             return False