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mod_http_logging/mod_http_logging.lua @ 5366:db4c66a1d24b

mod_http_oauth2: Fill in some client metadata defaults Explicit > Implicit Maybe we should actually use these for something as well? :) It's is somewhat an open question of how strictly we should enforce things in the client metadata given that it is somewhat extensible. Especially some of these enum fields which have corresponding IANA registries.
author Kim Alvefur <zash@zash.se>
date Tue, 25 Apr 2023 18:09:08 +0200
parent 2971:c89be016a075
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1 -- mod_http_logging
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2 --
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3 -- Copyright (C) 2015 Kim Alvefur
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4 --
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c625ed20ebda mod_http_logging: MIT
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8 -- Produces HTTP logs in the style of Apache
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9 --
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10 -- TODO
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11 -- * Configurable format?
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12
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13 module:set_global();
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14
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15 local server = require "net.http.server";
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16
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17 local function get_content_len(response, body)
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18 local len = response.headers.content_length;
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19 if len then return len; end
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20 if not body then body = response.body; end
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21 if body then return #tostring(body); end
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22 end
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23
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24 local function log_response(response, body)
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25 local len = tostring(get_content_len(response, body) or "-");
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26 local request = response.request;
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27 local ip = request.ip;
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28 if not ip and request.conn then
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29 ip = request.conn:ip();
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30 end
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31 local req = string.format("%s %s HTTP/%s", request.method, request.path, request.httpversion);
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32 local date = os.date("%d/%m/%Y:%H:%M:%S %z");
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33 module:log("info", "%s - - [%s] \"%s\" %d %s", ip, date, req, response.status_code, len);
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34 end
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35
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36 local send_response = server.send_response;
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37 local function log_and_send_response(response, body)
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38 if not response.finished then
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39 log_response(response, body);
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40 end
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41 return send_response(response, body);
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42 end
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43
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44 local send_file = server.send_file;
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45 local function log_and_send_file(response, f)
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46 if not response.finished then
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47 log_response(response);
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48 end
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49 return send_file(response, f);
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50 end
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51
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52 if module.wrap_object_event then
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53 -- Use object event wrapping, allows clean unloading of the module
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54 module:wrap_object_event(server._events, false, function (handlers, event_name, event_data)
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55 if event_data.response then
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56 event_data.response.send = log_and_send_response;
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57 event_data.response.send_file = log_and_send_file;
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58 end
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59 return handlers(event_name, event_data);
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60 end);
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61 else
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62 -- Fall back to monkeypatching, unlikely to behave nicely in the
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63 -- presence of other modules also doing this
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64 server.send_response = log_and_send_response;
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65 server.send_file = log_and_send_file;
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66 function module.unload()
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67 server.send_response = send_response;
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68 server.send_file = send_file;
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69 end
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70 end