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mod_log_http/mod_log_http.lua @ 5298:12f7d8b901e0
mod_audit: Support for adding location (GeoIP) to audit events
This can be more privacy-friendly than logging full IP addresses, and also
more informative to a user - IP addresses don't mean much to the average
person, however if they see activity from outside their expected country, they
can immediately identify suspicious activity.
As with IPs, this field is configurable for deployments that would like to
disable it. Location is also not logged when the geoip library is not
available.
author | Matthew Wild <mwild1@gmail.com> |
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date | Sat, 01 Apr 2023 13:11:53 +0100 |
parent | 4977:3bd725430f40 |
rev | line source |
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1 module:set_global(); |
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2 |
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3 local http = require "net.http"; |
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4 local codes = require "net.http.codes"; |
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5 local json = require "util.json"; |
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6 |
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7 local log = assert(io.open(assert(module:get_option_string("log_http_file"), "Please supply log_http_file in the config"), "a+")); |
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8 log:setvbuf("line"); |
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9 |
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10 local function append_request(id, req) |
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11 local headers = {}; |
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12 for k, v in pairs(req.headers) do |
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13 table.insert(headers, { name = k, value = v }); |
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14 end |
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15 local queryString = {}; |
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16 if req.query then |
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17 for _, pair in ipairs(http.formdecode(req.query)) do |
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18 table.insert(queryString, pair); |
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19 end |
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20 end |
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21 log:write("<<<", json.encode({ |
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22 id = id; |
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23 type = "request"; |
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24 method = req.method; |
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25 url = req.url; |
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26 httpVersion = "HTTP/1.1"; |
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27 cookies = {}; |
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28 headers = headers; |
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29 queryString = queryString; |
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30 postData = req.body and { |
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31 mimeType = req.headers["Content-Type"]; |
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32 text = req.body; |
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33 } or nil; |
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34 headersSize = -1; |
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35 bodySize = -1; |
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36 }), "\n"); |
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37 end |
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38 |
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39 local function append_response(id, resp) |
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40 local headers = {}; |
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41 for k, v in pairs(resp.headers) do |
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42 table.insert(headers, { name = k, value = v }); |
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43 end |
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44 log:write(">>>", json.encode({ |
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45 id = id; |
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46 type = "response"; |
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47 status = resp.code; |
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48 statusText = codes[resp.code]; |
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49 httpVersion = resp.httpversion; |
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50 cookies = {}; |
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51 headers = headers; |
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52 content = resp.body and { |
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53 size = #resp.body; |
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54 mimeType = resp.headers.content_type; |
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55 text = resp.body; |
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56 } or nil; |
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57 headersSize = -1; |
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58 bodySize = -1; |
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59 }), "\n"); |
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60 end |
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61 |
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62 module:hook_object_event(http.events, "request", function (event) |
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63 module:log("warn", "Request to %s!", event.url); |
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64 append_request(event.request.id, event.request); |
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65 end); |
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66 |
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67 module:hook_object_event(http.events, "request-connection-error", function (event) |
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68 module:log("warn", "Failed to make request to %s!", event.url); |
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69 end); |
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70 |
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71 module:hook_object_event(http.events, "response", function (event) |
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72 module:log("warn", "Received response %d from %s!", event.code, event.url); |
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73 append_response(event.request.id, event.response); |
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74 end); |
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75 |
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76 function module.unload() |
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77 log:close(); |
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78 end |