annotate mod_http_logging/mod_http_logging.lua @ 5383:df11a2cbc7b7

mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Likely to become mandatory in OAuth 2.1. Backwards compatible since the default 'plain' verifier would compare nil with nil if the relevant parameters are left out.
author Kim Alvefur <zash@zash.se>
date Sat, 29 Apr 2023 13:09:46 +0200
parents c89be016a075
children
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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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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