[Feature] Add controller plugins support and selectors plugin

1 files changed, 77 insertions, 0 deletions

diff --git a/rules/controller/selectors.lua b/rules/controller/selectors.lua
new file mode 100644
index 000000000..58065fc85
--- /dev/null
+++ b/rules/controller/selectors.lua
@@ -0,0 +1,77 @@
+--[[
+Copyright (c) 2020, 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.
+]]--
+
+local lua_selectors = require "lua_selectors"
+
+-- Controller selectors plugin
+
+local function handle_list_transforms(_, conn)
+  conn:send_ucl(lua_selectors.list_transforms())
+end
+
+local function handle_list_extractors(_, conn)
+  conn:send_ucl(lua_selectors.list_extractors())
+end
+
+local function handle_check_selector(_, conn, req_params)
+  if req_params.selector then
+    local selector = lua_selectors.create_selector_closure(rspamd_config,
+        req_params.selector, '', true)
+    if not selector then
+      conn:send_error(500, 'invalid selector')
+    else
+      conn:send_ucl({success = true})
+    end
+  else
+    conn:send_error(404, 'missing selector')
+  end
+end
+
+local function handle_check_message(task, conn, req_params)
+  if req_params.selector then
+    local selector = lua_selectors.create_selector_closure(rspamd_config,
+        req_params.selector, '', true)
+    if not selector then
+      conn:send_error(500, 'invalid selector')
+    else
+      task:process_message()
+      local elts = selector(task)
+      conn:send_ucl({success = true, data = elts})
+    end
+  else
+    conn:send_error(404, 'missing selector')
+  end
+end
+
+return {
+  list_extractors = {
+    handler = handle_list_extractors,
+    enable = true,
+  },
+  list_transforms = {
+    handler = handle_list_transforms,
+    enable = true,
+  },
+  check_selector = {
+    handler = handle_check_selector,
+    enable = true,
+  },
+  check_message = {
+    handler = handle_check_message,
+    enable = true,
+    need_task = true,
+  }
+}
\ No newline at end of file