1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
--[[
Copyright (c) 2022, Vsevolod Stakhov <vsevolod@rspamd.com>
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.
]]--
-- Controller maps plugin
local maps_cache
local maps_aliases
local lua_util = require "lua_util"
local ts = require("tableshape").types
local ucl = require "ucl"
local function maybe_fill_maps_cache()
if not maps_cache then
maps_cache = {}
maps_aliases = {}
local maps = rspamd_config:get_maps()
for _, m in ipairs(maps) do
-- We get the first url here and that's it
local url = m:get_uri()
if url ~= 'static' then
if not maps_cache[url] then
local alias = url:match('/([^/]+)$')
maps_cache[url] = m
if not maps_aliases[alias] then
maps_aliases[alias] = url
end
else
-- Do not override, as we don't care about duplicate maps that come from different
-- sources.
-- In theory, that should be cached but there are some exceptions even so far...
url = math.random() -- to shut luacheck about empty branch with a comment
end
end
end
end
end
local function check_specific_map(input, uri, m, results, report_misses)
local value = m:get_key(input)
if value then
local result = {
map = uri,
alias = uri:match('/([^/]+)$'),
value = value,
key = input,
hit = true,
}
table.insert(results, result)
elseif report_misses then
local result = {
map = uri,
alias = uri:match('/([^/]+)$'),
key = input,
hit = false,
}
table.insert(results, result)
end
end
local function handle_query_map(_, conn, req_params)
maybe_fill_maps_cache()
local keys_to_check = {}
if req_params.value and req_params.value ~= '' then
keys_to_check[1] = req_params.value
elseif req_params.values then
keys_to_check = lua_util.str_split(req_params.values, ',')
end
local results = {}
for _, key in ipairs(keys_to_check) do
for uri, m in pairs(maps_cache) do
check_specific_map(key, uri, m, results, req_params.report_misses)
end
end
conn:send_ucl {
success = (#results > 0),
results = results
}
end
local function handle_query_specific_map(_, conn, req_params)
maybe_fill_maps_cache()
-- Fill keys to check
local keys_to_check = {}
if req_params.value and req_params.value ~= '' then
keys_to_check[1] = req_params.value
elseif req_params.values then
keys_to_check = lua_util.str_split(req_params.values, ',')
end
local maps_to_check = maps_cache
-- Fill maps to check
if req_params.maps then
local map_names = lua_util.str_split(req_params.maps, ',')
maps_to_check = {}
for _, mn in ipairs(map_names) do
if maps_cache[mn] then
maps_to_check[mn] = maps_cache[mn]
else
local alias = maps_aliases[mn]
if alias then
maps_to_check[alias] = maps_cache[alias]
else
conn:send_error(404, 'no such map: ' .. mn)
end
end
end
end
local results = {}
for _, key in ipairs(keys_to_check) do
for uri, m in pairs(maps_to_check) do
check_specific_map(key, uri, m, results, req_params.report_misses)
end
end
conn:send_ucl {
success = (#results > 0),
results = results
}
end
local function handle_list_maps(_, conn, _)
maybe_fill_maps_cache()
conn:send_ucl {
maps = lua_util.keys(maps_cache),
aliases = maps_aliases
}
end
local query_json_schema = ts.shape {
maps = ts.array_of(ts.string):is_optional(),
report_misses = ts.boolean:is_optional(),
values = ts.array_of(ts.string),
}
local function handle_query_json(task, conn)
maybe_fill_maps_cache()
local parser = ucl.parser()
local ok, err = parser:parse_text(task:get_rawbody())
if not ok then
conn:send_error(400, err)
return
end
local obj = parser:get_object()
ok, err = query_json_schema:transform(obj)
if not ok then
conn:send_error(400, err)
return
end
local maps_to_check = {}
local report_misses = obj.report_misses
local results = {}
if obj.maps then
for _, mn in ipairs(obj.maps) do
if maps_cache[mn] then
maps_to_check[mn] = maps_cache[mn]
else
local alias = maps_aliases[mn]
if alias then
maps_to_check[alias] = maps_cache[alias]
else
conn:send_error(400, 'no such map: ' .. mn)
return
end
end
end
else
maps_to_check = maps_cache
end
for _, key in ipairs(obj.values) do
for uri, m in pairs(maps_to_check) do
check_specific_map(key, uri, m, results, report_misses)
end
end
conn:send_ucl {
success = (#results > 0),
results = results
}
end
return {
query = {
handler = handle_query_map,
enable = false,
},
query_json = {
handler = handle_query_json,
enable = false,
need_task = true,
},
query_specific = {
handler = handle_query_specific_map,
enable = false,
},
list = {
handler = handle_list_maps,
enable = false,
},
}
|
