[Feature] Add public suffic compilation utility

Issue: #3984

diff --git a/lualib/rspamadm/publicsuffix.lua b/lualib/rspamadm/publicsuffix.lua
new file mode 100644 (file)
index 0000000..747714a
--- /dev/null
+++ b/lualib/rspamadm/publicsuffix.lua
@@ -0,0 +1,83 @@
+--[[
+Copyright (c) 2021, 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 argparse = require "argparse"
+local rspamd_logger = require "rspamd_logger"
+
+-- Define command line options
+local parser = argparse()
+    :name 'rspamadm publicsuffix'
+    :description 'Do manipulations with the publicsuffix list'
+    :help_description_margin(30)
+    :command_target('command')
+    :require_command(true)
+
+parser:option '-c --config'
+      :description 'Path to config file'
+      :argname('config_file')
+      :default(rspamd_paths['CONFDIR'] .. '/rspamd.conf')
+
+local compile_cmd = parser:command 'compile'
+    :description 'Compile publicsuffix list if needed'
+
+local function load_config(config_file)
+  local _r,err = rspamd_config:load_ucl(config_file)
+
+  if not _r then
+    rspamd_logger.errx('cannot load %s: %s', config_file, err)
+    os.exit(1)
+  end
+
+  _r,err = rspamd_config:parse_rcl({'logging', 'worker'})
+  if not _r then
+    rspamd_logger.errx('cannot process %s: %s', config_file, err)
+    os.exit(1)
+  end
+end
+
+local function compile_handler(_)
+  local rspamd_url = require "rspamd_url"
+  local tld_file = rspamd_config:get_tld_path()
+
+  if not tld_file then
+    rspamd_logger.errx('missing `url_tld` option, cannot continue')
+    os.exit(1)
+  end
+
+  rspamd_logger.messagex('loading public suffix file from %s', tld_file)
+  rspamd_url.init(tld_file)
+  rspamd_logger.messagex('public suffix file has been loaded')
+end
+
+local function handler(args)
+  local cmd_opts = parser:parse(args)
+
+  load_config(cmd_opts.config_file)
+
+
+  if cmd_opts.command == 'compile' then
+    compile_handler(cmd_opts)
+  else
+    rspamd_logger.errx('unknown command: %s', cmd_opts.command)
+    os.exit(1)
+  end
+end
+
+return {
+  handler = handler,
+  description = parser._description,
+  name = 'publicsuffix'
+}
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