[Remove] Remove pyzor support as requested

1 files changed, 0 insertions, 215 deletions

diff --git a/lualib/lua_scanners/pyzor.lua b/lualib/lua_scanners/pyzor.lua
deleted file mode 100644
index 4bca6ace7..000000000
--- a/lualib/lua_scanners/pyzor.lua
+++ /dev/null
@@ -1,215 +0,0 @@
---[[
-Copyright (c) 2018, Carsten Rosenberg <c.rosenberg@heinlein-support.de>
-Copyright (c) 2018, 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.
-]]--
-
---[[[
--- @module pyzor
--- This module contains pyzor access functions
---]]
-
-local lua_util = require "lua_util"
-local tcp = require "rspamd_tcp"
-local upstream_list = require "rspamd_upstream_list"
-local rspamd_logger = require "rspamd_logger"
-local common = require "lua_scanners/common"
-local ucl = require "ucl"
-
-local N = 'pyzor'
-local categories = {'pyzor','bulk', 'hash', 'scanner'}
-
-local function pyzor_config(opts)
-
-  local pyzor_conf = {
-    text_part_min_words = 2,
-    default_port = 5953,
-    timeout = 15.0,
-    log_clean = false,
-    retransmits = 2,
-    detection_category = "hash",
-    cache_expire = 7200, -- expire redis in one hour
-    message = '${SCANNER}: Pyzor bulk message found: "${VIRUS}"',
-    default_score = 1,
-    action = false,
-  }
-
-  pyzor_conf = lua_util.override_defaults(pyzor_conf, opts)
-
-  if not pyzor_conf.prefix then
-    pyzor_conf.prefix = 'rext_' .. N .. '_'
-  end
-
-  if not pyzor_conf.log_prefix then
-    pyzor_conf.log_prefix = N .. ' (' .. pyzor_conf.detection_category .. ')'
-  end
-
-  if not pyzor_conf['servers'] then
-    rspamd_logger.errx(rspamd_config, 'no servers defined')
-
-    return nil
-  end
-
-  pyzor_conf['upstreams'] = upstream_list.create(rspamd_config,
-      pyzor_conf['servers'],
-      pyzor_conf.default_port)
-
-  if pyzor_conf['upstreams'] then
-    lua_util.add_debug_alias('external_services', N)
-    return pyzor_conf
-  end
-
-  rspamd_logger.errx(rspamd_config, 'cannot parse servers %s',
-      pyzor_conf['servers'])
-  return nil
-end
-
-local function pyzor_check(task, content, digest, rule)
-  local function pyzor_check_uncached ()
-    local upstream = rule.upstreams:get_upstream_round_robin()
-    local addr = upstream:get_addr()
-    local retransmits = rule.retransmits
-
-    local function pyzor_callback(err, data, conn)
-
-      if err then
-
-        -- set current upstream to fail because an error occurred
-        upstream:fail()
-
-        -- retry with another upstream until retransmits exceeds
-        if retransmits > 0 then
-
-          retransmits = retransmits - 1
-
-          -- Select a different upstream!
-          upstream = rule.upstreams:get_upstream_round_robin()
-          addr = upstream:get_addr()
-
-          lua_util.debugm(N, task, '%s: retry IP: %s:%s err: %s',
-              rule.log_prefix, addr, addr:get_port(), err)
-
-          tcp.request({
-            task = task,
-            host = addr:to_string(),
-            port = addr:get_port(),
-            timeout = rule['timeout'],
-            shutdown = true,
-            data = { "CHECK\n" , content },
-            callback = pyzor_callback,
-          })
-        else
-          rspamd_logger.errx(task, '%s: failed to scan, maximum retransmits exceed',
-              rule['symbol'], rule['type'])
-          task:insert_result(rule['symbol_fail'], 0.0,
-              'failed to scan and retransmits exceed')
-        end
-      else
-        -- Parse the response
-        if upstream then upstream:ok() end
-
-        lua_util.debugm(N, task, '%s: returned data: %s', rule.log_prefix, tostring(data))
-        local ucl_parser = ucl.parser()
-        local ok, py_err = ucl_parser:parse_string(tostring(data))
-        if not ok then
-          rspamd_logger.errx(task, "error parsing response: %s", py_err)
-          return
-        end
-
-        local resp = ucl_parser:get_object()
-        local whitelisted = tonumber(resp["WL-Count"])
-        local reported = tonumber(resp["Count"])
-
-        --rspamd_logger.infox(task, "%s - count=%s wl=%s", addr:to_string(), reported, whitelisted)
-
-        --[[
-        @todo: Implement math function to calc the score dynamically based on return values.
-        Maybe check spamassassin implementation.
-        ]] --
-        local entries = reported - whitelisted
-
-        local weight = 0
-
-        if entries >= 100 then
-          weight = 1.5
-        elseif entries >= 25 then
-          weight = 1.25
-        elseif entries >= 5 then
-          weight = 1.0
-        elseif entries >= 1 and whitelisted == 0 then
-          weight = 0.2
-        end
-
-        if whitelisted >= 100 then
-          weight = weight - 1.5
-        elseif whitelisted >= 25 then
-          weight = weight - 1.25
-        elseif whitelisted >= 5 then
-          weight = weight - 1.0
-        elseif whitelisted >= 1 then
-          weight = weight - 0.2
-        end
-
-        local info = string.format("count=%d wl=%d", reported, whitelisted)
-        local threat_string = string.format("bl_%d_wl_%d", reported, whitelisted)
-
-        if weight > 0 then
-          lua_util.debugm(N, task, '%s: returned result is spam - info: %s', rule.log_prefix, info)
-          common.yield_result(task, rule, threat_string, N, weight)
-          common.save_av_cache(task, digest, rule, threat_string, N)
-        else
-          if rule.log_clean then
-            rspamd_logger.infox(task, '%s: clean, returned result is ham - info: %s', rule.log_prefix, info)
-          else
-            lua_util.debugm(N, task, '%s: returned result is ham - info: %s', rule.log_prefix, info)
-          end
-          common.save_av_cache(task, digest, rule, 'OK', N)
-        end
-
-      end
-    end
-
-    if common.text_parts_min_words(task, rule.text_part_min_words) then
-      rspamd_logger.infox(task, '%s: #words is less then text_part_min_words: %s',
-          rule.log_prefix, rule.text_part_min_words)
-      return
-    end
-
-    tcp.request({
-      task = task,
-      host = addr:to_string(),
-      port = addr:get_port(),
-      timeout = rule.timeout,
-      shutdown = true,
-      data = { "CHECK\n" , content },
-      callback = pyzor_callback,
-    })
-  end
-  if common.need_av_check(task, content, rule, N) then
-    if common.check_av_cache(task, digest, rule, pyzor_check_uncached, N) then
-      return
-    else
-      pyzor_check_uncached()
-    end
-  end
-end
-
-
-return {
-  type = categories,
-  description = 'pyzor bulk scanner',
-  configure = pyzor_config,
-  check = pyzor_check,
-  name = 'pyzor'
-}
\ No newline at end of file