annotate mod_log_http/mod_log_http.lua @ 3423:4a8fa0364f35

mod_atom: Unpack event object Improves readability and reduces table indexing.
author Kim Alvefur <zash@zash.se>
date Thu, 03 Jan 2019 11:36:01 +0100
parents 3f44abfe7264
children 456b9f608fcf
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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
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9 local function append_request(id, req)
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10 local headers = {};
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11 for k, v in pairs(req.headers) do
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12 table.insert(headers, { name = k, value = v });
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13 end
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14 local queryString = {};
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15 if req.query then
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16 for _, pair in ipairs(http.formdecode(req.query)) do
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17 table.insert(queryString, pair);
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18 end
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19 end
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20 log:write("<<<", json.encode({
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21 id = id;
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22 type = "request";
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23 method = req.method;
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24 url = req.url;
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25 httpVersion = "HTTP/1.1";
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26 cookies = {};
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27 headers = headers;
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28 queryString = queryString;
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29 postData = req.body and {
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30 mimeType = req.headers["Content-Type"];
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31 text = req.body;
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32 } or nil;
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33 headersSize = -1;
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34 bodySize = -1;
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35 }), "\n");
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36 end
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37
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38 local function append_response(id, resp)
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39 local headers = {};
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40 for k, v in pairs(resp.headers) do
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41 table.insert(headers, { name = k, value = v });
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42 end
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43 log:write(">>>", json.encode({
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44 id = id;
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45 type = "response";
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46 status = resp.code;
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47 statusText = codes[resp.code];
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48 httpVersion = resp.httpversion;
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49 cookies = {};
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50 headers = headers;
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51 content = resp.body and {
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52 size = #resp.body;
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53 mimeType = resp.headers.content_type;
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54 text = resp.body;
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55 } or nil;
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56 headersSize = -1;
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57 bodySize = -1;
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58 }), "\n");
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59 end
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60
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61 module:hook_object_event(http.events, "request", function (event)
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62 module:log("warn", "Request to %s!", event.url);
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63 append_request(event.request.id, event.request);
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64 end);
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65
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66 module:hook_object_event(http.events, "request-connection-error", function (event)
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67 module:log("warn", "Failed to make request to %s!", event.url);
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68 end);
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69
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70 module:hook_object_event(http.events, "response", function (event)
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71 module:log("warn", "Received response %d from %s!", event.code, event.url);
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72 append_response(event.request.id, event.response);
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73 end);
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74
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75 function module.unload()
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76 log:close();
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77 end