[Feature] Plugin to force actions on selected symbols

diff --git a/src/plugins/lua/force_actions.lua b/src/plugins/lua/force_actions.lua
new file mode 100644 (file)
index 0000000..011d9bd
--- /dev/null
+++ b/src/plugins/lua/force_actions.lua
@@ -0,0 +1,55 @@
+--[[
+Copyright (c) 2017, Andrew Lewis <nerf@judo.za.org>
+Copyright (c) 2017, Vsevolod Stakhov <vsevolod@highsecure.ru>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+]]--
+
+-- A plugin that forces actions
+
+local E = {}
+local N = 'force_actions'
+
+local function gen_cb(sym, act, message)
+  return function(task)
+    local s = task:get_symbol(sym)
+    if not s then return end
+    task:set_pre_result(act, message)
+    return true
+  end
+end
+
+local function configure_module()
+  local opts = rspamd_config:get_all_opt(N)
+  if not opts then
+    return false
+  end
+  if type(opts.actions) ~= 'table' then
+    return false
+  end
+  for action, symbols in pairs(opts.actions) do
+    if type(symbols) == 'table' then
+      for _, symbol in ipairs(symbols) do
+        local message = (opts.messages or E)[symbol]
+        local id = rspamd_config:register_symbol({
+          type = 'normal',
+          name = 'FORCE_ACTION_ON' .. symbol,
+          callback = gen_cb(symbol, action, message),
+        })
+        rspamd_config:register_dependency(id, symbol)
+      end
+    end
+  end
+end
+
+configure_module()