forum trust circle: trust-gated content exchange via subscription graph

tinyweb_forum/__init__.py

@@ -1,8 +1,14 @@
+import os
+import sqlite3
+import threading
+import time
+
 from tinyweb_forum.db import ForumDB
 from tinyweb_forum.handlers import ForumHandlers
 from tinyweb_forum.sync import ForumSync
 
 FORUM_ENABLED_KEY = "forum_enabled"
+TRUST_REFRESH_INTERVAL = 120
 
 
 class ForumPlugin:
@@ -16,19 +22,52 @@ class ForumPlugin:
         self.identity = identity
         self.reticulum = reticulum
         self._started = False
+        self._data_dir = data_dir
+        self._core_db_path = os.path.join(data_dir, "index.db")
+        self._trust_refresh_thread = None
 
     def is_enabled(self):
         return self.fdb.get_setting(FORUM_ENABLED_KEY, "0") == "1"
 
+    def _seed_trust_from_subscriptions(self):
+        my_hash = self.identity.hash.hex() if self.identity else "local"
+        if not os.path.exists(self._core_db_path):
+            return
+        try:
+            core = sqlite3.connect(self._core_db_path)
+            rows = core.execute(
+                "SELECT dest_hash FROM subscriptions WHERE forum_enabled = 1"
+            ).fetchall()
+            core.close()
+            for row in rows:
+                self.fdb.add_trust_source(row[0], my_hash, 0)
+        except Exception:
+            pass
+
+    def _trust_refresh_loop(self):
+        while self._started:
+            try:
+                self._seed_trust_from_subscriptions()
+            except Exception:
+                pass
+            for _ in range(TRUST_REFRESH_INTERVAL):
+                if not self._started:
+                    return
+                time.sleep(1)
+
     def enable(self):
         self.fdb.set_setting(FORUM_ENABLED_KEY, "1")
         if not self._started:
+            self._seed_trust_from_subscriptions()
             self.sync.start()
             self._started = True
+            self._trust_refresh_thread = threading.Thread(
+                target=self._trust_refresh_loop, daemon=True
+            )
+            self._trust_refresh_thread.start()
 
     def disable(self):
         self.fdb.set_setting(FORUM_ENABLED_KEY, "0")
-        # Keep sync running so we still receive content — disable just hides UI
 
     def handle(self, method, path, query, body, cookies=None):
         return self.handlers.handle(method, path, query, body, cookies)