better logging when moderating asset

frontend.py

@@ -315,20 +315,24 @@ def content_request_review(asset_id):
 @app.route("/content/moderate/<int:asset_id>-<sig>")
 def content_moderate(asset_id, sig):
  if sig != mk_sig(asset_id):
+ app.logger.info(f'request to moderate asset {asset_id} rejected because of missing or wrong signature')
  abort(404)
  if not g.user:
  session["redirect_after_login"] = request.url
  return redirect(url_for("login"))
  elif g.user.lower() not in CONFIG.get("ADMIN_USERS", set()):
+ app.logger.warning(f'request to moderate {asset_id} by non-admin user {g.user}')
  abort(401)
 
  try:
  asset = ib.get(f"asset/{asset_id}")
  except Exception:
+ app.logger.info(f'request to moderate asset {asset_id} failed because asset does not exist')
  abort(404)
 
  state = asset["userdata"].get("state", "new")
  if state == "deleted":
+ app.logger.info(f'request to moderate asset {asset_id} failed because asset was deleted by user')
  abort(404)
 
  return render_template(
@@ -350,16 +354,24 @@ def content_moderate(asset_id, sig):
 )
 def content_moderate_result(asset_id, sig, result):
  if sig != mk_sig(asset_id):
+ app.logger.info(f'request to moderate asset {asset_id} rejected because of missing or wrong signature')
  abort(404)
  if not g.user:
  session["redirect_after_login"] = request.url
  return redirect(url_for("login"))
  elif g.user.lower() not in CONFIG.get("ADMIN_USERS", set()):
+ app.logger.warning(f'request to moderate {asset_id} by non-admin user {g.user}')
  abort(401)
 
  try:
  asset = ib.get(f"asset/{asset_id}")
  except Exception:
+ app.logger.info(f'request to moderate asset {asset_id} failed because asset does not exist')
+ abort(404)
+
+ state = asset["userdata"].get("state", "new")
+ if state == "deleted":
+ app.logger.info(f'request to moderate asset {asset_id} failed because asset was deleted by user')
  abort(404)
 
  if result == "confirm":