prosody
228277be4a28
util/rsm.lua

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util/rsm.lua @ 10649:228277be4a28

net.server_epoll: Reduce log level of TLS handshake errors to debug These are triggered all the time by random HTTPS connections, so they are mostly just useless noise. When you actually do need them, you probably have debug logging enabled too, since these messages are fairly useless without more context.
author Kim Alvefur <zash@zash.se>
date Sat, 15 Feb 2020 16:43:18 +0100
parent 7852:e594010e1ba0
child 10761:b53193bb21cc
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7852
e594010e1ba0 util.rsm: Add copyright header
Kim Alvefur <zash@zash.se>
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1 -- Prosody IM
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Kim Alvefur <zash@zash.se>
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2 -- Copyright (C) 2008-2017 Matthew Wild
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3 -- Copyright (C) 2008-2017 Waqas Hussain
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4 -- Copyright (C) 2011-2017 Kim Alvefur
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5 --
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6 -- This project is MIT/X11 licensed. Please see the
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7 -- COPYING file in the source package for more information.
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8 --
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9 -- XEP-0313: Message Archive Management for Prosody
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10 --
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11
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12 local stanza = require"util.stanza".stanza;
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13 local tostring, tonumber = tostring, tonumber;
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14 local type = type;
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15 local pairs = pairs;
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16
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17 local xmlns_rsm = 'http://jabber.org/protocol/rsm';
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18
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19 local element_parsers = {};
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20
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21 do
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22 local parsers = element_parsers;
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23 local function xs_int(st)
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24 return tonumber((st:get_text()));
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25 end
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26 local function xs_string(st)
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27 return st:get_text();
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28 end
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29
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30 parsers.after = xs_string;
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31 parsers.before = function(st)
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32 local text = st:get_text();
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33 return text == "" or text;
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34 end;
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35 parsers.max = xs_int;
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36 parsers.index = xs_int;
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37
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38 parsers.first = function(st)
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39 return { index = tonumber(st.attr.index); st:get_text() };
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40 end;
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41 parsers.last = xs_string;
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42 parsers.count = xs_int;
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43 end
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44
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45 local element_generators = setmetatable({
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46 first = function(st, data)
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47 if type(data) == "table" then
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48 st:tag("first", { index = data.index }):text(data[1]):up();
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49 else
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50 st:tag("first"):text(tostring(data)):up();
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51 end
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52 end;
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53 before = function(st, data)
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54 if data == true then
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55 st:tag("before"):up();
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56 else
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57 st:tag("before"):text(tostring(data)):up();
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58 end
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59 end
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60 }, {
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61 __index = function(_, name)
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62 return function(st, data)
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63 st:tag(name):text(tostring(data)):up();
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64 end
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65 end;
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66 });
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67
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68
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69 local function parse(set)
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70 local rs = {};
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71 for tag in set:childtags() do
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72 local name = tag.name;
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73 local parser = name and element_parsers[name];
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74 if parser then
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75 rs[name] = parser(tag);
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76 end
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77 end
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78 return rs;
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79 end
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80
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81 local function generate(t)
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82 local st = stanza("set", { xmlns = xmlns_rsm });
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83 for k,v in pairs(t) do
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84 if element_parsers[k] then
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85 element_generators[k](st, v);
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86 end
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87 end
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88 return st;
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89 end
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90
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91 local function get(st)
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92 local set = st:get_child("set", xmlns_rsm);
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93 if set and #set.tags > 0 then
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94 return parse(set);
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95 end
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96 end
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97
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98 return { parse = parse, generate = generate, get = get };