annotate src/error_log.js.luan @ 108:2c85ae7b8a35 default tip

logging
author Franklin Schmidt <fschmidt@gmail.com>
date Wed, 03 Sep 2025 12:40:20 -0600
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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 regex = String.regex or error()
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6 local contains = String.contains or error()
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7 local Table = require "luan:Table.luan"
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8 local concat = Table.concat or error()
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9 local Http = require "luan:http/Http.luan"
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10 local Logging = require "luan:logging/Logging.luan"
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11 local logger = Logging.logger "error_log.js"
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13
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14 local bad_agents = {
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15 [[Version/14\.]]
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16 [[Firefox/]]
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17 }
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18 local bad_agents_ptn = regex(concat(bad_agents,"|"))
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20 local function priority(err)
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21 local agent = Http.request.headers["user-agent"]
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22 if agent~=nil and bad_agents_ptn.matches(agent) then return "info" end
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23 return "error"
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24 end
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25
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26 return function()
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27 local err = Http.request.parameters.err
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28 if err == nil then
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29 return -- stupid bots
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30 end
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31 local call = priority(err)
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32 logger[call](trim(err).."\n"..trim(Http.request.raw_head).."\n")
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33 end