prosody
7e9ebdc75ce4
plugins/mod_scansion_record.lua

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plugins/mod_scansion_record.lua @ 12480:7e9ebdc75ce4

net: isolate LuaSec-specifics For this, various accessor functions are now provided directly on the sockets, which reach down into the LuaSec implementation to obtain the information. While this may seem of little gain at first, it hides the implementation detail of the LuaSec+LuaSocket combination that the actual socket and the TLS layer are separate objects. The net gain here is that an alternative implementation does not have to emulate that specific implementation detail and "only" has to expose LuaSec-compatible data structures on the new functions.
author Jonas Schäfer <jonas@wielicki.name>
date Wed, 27 Apr 2022 17:44:14 +0200
parent 12110:b5b799a2a10c
child 12977:74b9e05af71e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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diff changeset
1 local names = { "Romeo", "Juliet", "Mercutio", "Tybalt", "Benvolio" };
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2 local devices = { "", "phone", "laptop", "tablet", "toaster", "fridge", "shoe" };
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3 local users = {};
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4
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a31e0d549b74 mod_scansion_record: Import util.filters
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5 local filters = require "util.filters";
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6 local id = require "util.id";
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7 local dt = require "util.datetime";
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8 local dm = require "util.datamanager";
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9 local st = require "util.stanza";
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10
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11 local record_id = id.short():lower();
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12 local record_date = os.date("%Y%b%d"):lower();
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13 local header_file = dm.getpath(record_id, "scansion", record_date, "scs", true);
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14 local record_file = dm.getpath(record_id, "scansion", record_date, "log", true);
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15
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16 local head = io.open(header_file, "w");
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17 local scan = io.open(record_file, "w+");
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18
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19 local function record(string)
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20 scan:write(string);
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21 scan:flush();
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22 end
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23
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24 local function record_header(string)
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25 head:write(string);
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26 head:flush();
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27 end
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28
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29 local function record_object(class, name, props)
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30 head:write(("[%s] %s\n"):format(class, name));
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31 for k,v in pairs(props) do
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32 head:write(("\t%s: %s\n"):format(k, v));
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33 end
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34 head:write("\n");
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35 head:flush();
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36 end
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37
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38 local function record_event(session, event)
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39 record(session.scansion_id.." "..event.."\n\n");
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40 end
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41
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42 local function record_stanza(stanza, session, verb)
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43 local flattened = tostring(stanza:indent(2, "\t"));
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44 record(session.scansion_id.." "..verb..":\n\t"..flattened.."\n\n");
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45 end
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46
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47 local function record_stanza_in(stanza, session)
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48 if stanza.attr.xmlns == nil then
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49 local copy = st.clone(stanza);
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50 copy.attr.from = nil;
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51 record_stanza(copy, session, "sends")
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52 end
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53 return stanza;
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54 end
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55
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56 local function record_stanza_out(stanza, session)
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57 if stanza.attr.xmlns == nil then
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dc55d7d2798b mod_scansion_record: Avoid recording the resource binding stanza
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58 if not (stanza.name == "iq" and stanza:get_child("bind", "urn:ietf:params:xml:ns:xmpp-bind")) then
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59 local copy = st.clone(stanza);
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60 if copy.attr.to == session.full_jid then
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61 copy.attr.to = nil;
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62 end
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63 record_stanza(copy, session, "receives");
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64 end
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65 end
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66 return stanza;
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67 end
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68
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69 module:hook("resource-bind", function (event)
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70 local session = event.session;
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71 if not users[session.username] then
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72 users[session.username] = {
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73 character = table.remove(names, 1) or id.short();
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74 devices = {};
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75 n_devices = 0;
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76 };
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77 end
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Kim Alvefur <zash@zash.se>
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78 local user = users[session.username];
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79 local device = user.devices[session.resource];
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80 if not device then
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81 user.n_devices = user.n_devices + 1;
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82 device = devices[user.n_devices] or ("device"..id.short());
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83 user.devices[session.resource] = device;
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84 end
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85 session.scansion_character = user.character;
d36fa7d164c0 mod_scansion_record: Unfinished code dump from Matthew
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86 session.scansion_device = device;
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Kim Alvefur <zash@zash.se>
parents: 9349
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87 session.scansion_id = user.character..(device ~= "" and "'s "..device or device);
9344
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88
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89 record_object("Client", session.scansion_id, {
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90 jid = session.full_jid,
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91 password = "password",
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92 });
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93
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Kim Alvefur <zash@zash.se>
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94 module:log("info", "Connected: %s", session.scansion_id);
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95 record_event(session, "connects");
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96
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97 filters.add_filter(session, "stanzas/in", record_stanza_in);
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parents:
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98 filters.add_filter(session, "stanzas/out", record_stanza_out);
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99 end);
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100
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101 module:hook("resource-unbind", function (event)
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102 local session = event.session;
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103 if session.scansion_id then
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Kim Alvefur <zash@zash.se>
parents: 9372
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104 record_event(session, "disconnects");
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parents: 9372
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105 end
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parents: 9372
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106 end)
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Kim Alvefur <zash@zash.se>
parents: 9372
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107
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108 record_header("# mod_scansion_record on host '"..module.host.."' recording started "..dt.datetime().."\n\n");
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109
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parents: 9364
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110 record[[
acb316319dc0 mod_scansion_record: Generate a header with hostname and timestamp
Kim Alvefur <zash@zash.se>
parents: 9364
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111 -----
acb316319dc0 mod_scansion_record: Generate a header with hostname and timestamp
Kim Alvefur <zash@zash.se>
parents: 9364
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112
acb316319dc0 mod_scansion_record: Generate a header with hostname and timestamp
Kim Alvefur <zash@zash.se>
parents: 9364
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113 ]]
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Kim Alvefur <zash@zash.se>
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114
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0444e321b757 mod_scansion_record: Hook correct shutdown event
Kim Alvefur <zash@zash.se>
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115 module:hook_global("server-stopping", function ()
9365
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Kim Alvefur <zash@zash.se>
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116 record("# recording ended on "..dt.datetime().."\n");
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Kim Alvefur <zash@zash.se>
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117 module:log("info", "Scansion recording available in %s", header_file);
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Kim Alvefur <zash@zash.se>
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118 end);
9472b4044fc6 mod_scansion_record: Close files in the cleanup stage of shutdown (fixes use after close)
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119
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Kim Alvefur <zash@zash.se>
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120 prosody.events.add_handler("server-cleanup", function ()
9369
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121 scan:seek("set", 0);
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Kim Alvefur <zash@zash.se>
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122 for line in scan:lines() do
dd452f932b67 mod_scansion_record: Merge header and log into one file at shutdown
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parents: 9368
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123 head:write(line, "\n");
dd452f932b67 mod_scansion_record: Merge header and log into one file at shutdown
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diff changeset
124 end
9362
31317e8edbbc mod_scansion_record: Fix missed rename of file handle
Kim Alvefur <zash@zash.se>
parents: 9361
diff changeset
125 scan:close();
9369
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Kim Alvefur <zash@zash.se>
parents: 9368
diff changeset
126 os.remove(record_file);
9364
62f9127ab493 mod_scansion_record: Open a related file for header entries
Kim Alvefur <zash@zash.se>
parents: 9363
diff changeset
127 head:close()
9347
9479523e209a mod_scansion_record: and close it on shutdown
Kim Alvefur <zash@zash.se>
parents: 9346
diff changeset
128 end);