annotate src/error_log.js.luan @ 33:4fdc4ec0050b

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author Franklin Schmidt <fschmidt@gmail.com>
date Mon, 01 Aug 2022 22:50:16 -0600
parents a1db5223ced1
children
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1 local Luan = require "luan:Luan.luan"
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2 local error = Luan.error
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3 local String = require "luan:String.luan"
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4 local trim = String.trim or error()
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5 local Table = require "luan:Table.luan"
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6 local Http = require "luan:http/Http.luan"
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7 local Logging = require "luan:logging/Logging.luan"
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8 local logger = Logging.logger "error_log"
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9
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10 --[=[ when needed
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11 local bad_bots = {
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12 [[Googlebot]]
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13 [[bingbot]]
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14 }
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15 local bad_bots_ptn = Table.concat(bad_bots,"|")
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16 ]=]
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17
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18 local function priority(err)
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19 --[=[
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20 local agent = Http.request.headers["user-agent"]
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21 if agent~=nil and matches(agent,bad_bots_ptn) then return "info" end
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22 if matches(err,[[Uncaught TypeError: Illegal invocation]]) then return "warn" end
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23 if matches(err,[[\Q?fbclid=\E]]) then return "warn" end
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24 ]=]
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25 return "error"
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26 end
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27
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28 return function()
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29 local err = Http.request.parameters.err
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30 if err == nil then
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31 return -- stupid bots
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32 end
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33 local call = priority(err)
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34 logger[call](trim(err).."\n"..trim(Http.request.raw_head).."\n")
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35 end