Add utility module with safe logging functions and new SAFELOGGING config option

bridgedb.conf

@@ -12,6 +12,9 @@ PIDFILE = "bridgedb.pid"
 # Either a file to log to, or None if we should log to the console.
 LOGFILE = "bridgedb.log"
 
+# If true, we scrub all potentially identifying information before we log it
+SAFELOGGING = True
+
 # Logfile rotation settings
 LOGFILE_COUNT = 5
 LOGFILE_ROTATE_SIZE = 10000000

lib/bridgedb/Util.py

+safe_logging = True
+
+def set_safe_logging(safe):
+    global safe_logging
+    safe_logging = safe
+
+def logSafely(val):
+    if safe_logging:
+        return "[scrubbed]"
+    else:
+        return val
+