ui: Add tor info to page header

basicswap/http_server.py

@@ -45,7 +45,7 @@ from .ui.page_automation import (
 )
 from .ui.page_bids import page_bids, page_bid
 from .ui.page_offers import page_offers, page_offer, page_newoffer
-from .ui.page_tor import page_tor
+from .ui.page_tor import page_tor, get_tor_established_state
 from .ui.page_wallet import page_wallets, page_wallet
 
 
@@ -107,6 +107,15 @@ class HttpHandler(BaseHTTPRequestHandler):
             args_dict['debug_mode'] = True
         if swap_client.debug_ui:
             args_dict['debug_ui_mode'] = True
+        if swap_client.use_tor_proxy:
+            args_dict['use_tor_proxy'] = True
+            # TODO: Cache value?
+            try:
+                args_dict['tor_established'] = True if get_tor_established_state(swap_client) == '1' else False
+            except Exception:
+                if swap_client.debug:
+                    swap_client.log.error(traceback.format_exc())
+
         return bytes(template.render(
             title=self.server.title,
             h2=self.server.title,

basicswap/templates/header.html

@@ -19,6 +19,9 @@
 {% if debug_ui_mode == true %}
 <p>Debug UI mode: Active</p>
 {% endif %}
+{% if use_tor_proxy == true %}
+<p>Tor mode: Active{% if tor_established == true %}, Connected{% endif %}</p>
+{% endif %}
 
 {% if ws_url %}
 <script>

basicswap/ui/page_tor.py

@@ -16,20 +16,33 @@ def extract_data(bytes_in):
     return str_in[start: end]
 
 
+def get_tor_established_state(swap_client):
+    rv = swap_client.torControl('GETINFO status/circuit-established')
+    return extract_data(rv)
+
+
 def page_tor(self, url_split, post_string):
 
     swap_client = self.server.swap_client
 
     page_data = {}
 
-    rv = swap_client.torControl('GETINFO status/circuit-established')
-    page_data['circuit_established'] = extract_data(rv)
+    try:
+        page_data['circuit_established'] = get_tor_established_state(swap_client)
+    except Exception:
+        page_data['circuit_established'] = 'error'
 
+    try:
         rv = swap_client.torControl('GETINFO traffic/read')
         page_data['bytes_written'] = extract_data(rv)
+    except Exception:
+        page_data['bytes_written'] = 'error'
 
+    try:
         rv = swap_client.torControl('GETINFO traffic/written')
         page_data['bytes_read'] = extract_data(rv)
+    except Exception:
+        page_data['bytes_read'] = 'error'
 
     messages = []