prosody
0c077800cd70
tools/migration/migrator/jabberd14.lua

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tools/migration/migrator/jabberd14.lua @ 8681:0c077800cd70

util.async: Make parameters to async.runner() optional
author Matthew Wild <mwild1@gmail.com>
date Fri, 23 Mar 2018 14:02:33 +0000
parent 7881:4e3067272fae
child 13142:879a6a33c21b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4417
33c149394dcb migrator/jabberd14: Support for reading jabberd14 spool files.
Waqas Hussain <waqas20@gmail.com>
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1
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2 local lfs = require "lfs";
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3 local st = require "util.stanza";
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4 local parse_xml = require "util.xml".parse;
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5 local os_getenv = os.getenv;
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6 local io_open = io.open;
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7 local assert = assert;
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8 local ipairs = ipairs;
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9 local coroutine = coroutine;
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10 local print = print;
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12
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13 local function is_dir(path) return lfs.attributes(path, "mode") == "directory"; end
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14 local function is_file(path) return lfs.attributes(path, "mode") == "file"; end
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15 local function clean_path(path)
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16 return path:gsub("\\", "/"):gsub("//+", "/"):gsub("^~", os_getenv("HOME") or "~");
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17 end
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18
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19 local function load_xml(path)
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20 local f, err = io_open(path);
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21 if not f then return f, err; end
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22 local data = f:read("*a");
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23 f:close();
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24 if not data then return; end
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25 return parse_xml(data);
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26 end
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27
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28 local function load_spool_file(host, filename, path)
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29 local xml = load_xml(path);
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30 if not xml then return; end
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31
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32 local register_element = xml:get_child("query", "jabber:iq:register");
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33 local username_element = register_element and register_element:get_child("username", "jabber:iq:register");
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34 local password_element = register_element and register_element:get_child("password", "jabber:iq:auth");
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35 local username = username_element and username_element:get_text();
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36 local password = password_element and password_element:get_text();
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37 if not username then
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38 print("[warn] Missing /xdb/{jabber:iq:register}register/username> in file "..filename)
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39 return;
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40 elseif username..".xml" ~= filename then
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41 print("[warn] Missing /xdb/{jabber:iq:register}register/username does not match filename "..filename);
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42 return;
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43 end
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44
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45 local userdata = {
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46 user = username;
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47 host = host;
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48 stores = {};
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49 };
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50 local stores = userdata.stores;
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51 stores.accounts = { password = password };
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52
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53 for i=1,#xml.tags do
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54 local tag = xml.tags[i];
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55 local xname = (tag.attr.xmlns or "")..":"..tag.name;
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56 if tag.attr.j_private_flag == "1" and tag.attr.xmlns then
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57 -- Private XML
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58 stores.private = stores.private or {};
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59 tag.attr.j_private_flag = nil;
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60 stores.private[tag.attr.xmlns] = st.preserialize(tag);
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61 elseif xname == "jabber:iq:auth:password" then
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62 if stores.accounts.password ~= tag:get_text() then
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63 if password then
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64 print("[warn] conflicting passwords")
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65 else
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66 stores.accounts.password = tag:get_text();
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67 end
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68 end
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69 elseif xname == "jabber:iq:register:query" then
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70 -- already processed
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71 elseif xname == "jabber:xdb:nslist:foo" then
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72 -- ignore
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73 elseif xname == "jabber:iq:auth:0k:zerok" then
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74 -- ignore
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75 elseif xname == "jabber:iq:roster:query" then
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76 -- Roster
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77 local roster = {};
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78 local subscription_types = { from = true, to = true, both = true, none = true };
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79 for _,item_element in ipairs(tag.tags) do
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80 assert(item_element.name == "item");
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81 assert(item_element.attr.jid);
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82 assert(subscription_types[item_element.attr.subscription]);
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83 assert((item_element.attr.ask or "subscribe") == "subscribe")
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84 if item_element.name == "item" then
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85 local groups = {};
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86 for _,group_element in ipairs(item_element.tags) do
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87 assert(group_element.name == "group");
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88 groups[group_element:get_text()] = true;
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89 end
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90 local item = {
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91 name = item_element.attr.name;
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92 subscription = item_element.attr.subscription;
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93 ask = item_element.attr.ask;
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94 groups = groups;
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95 };
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96 roster[item_element.attr.jid] = item;
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97 end
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98 end
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99 stores.roster = roster;
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100 elseif xname == "jabber:iq:last:query" then
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101 -- Last activity
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102 elseif xname == "jabber:x:offline:foo" then
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103 -- Offline messages
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104 elseif xname == "vcard-temp:vCard" then
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105 -- vCards
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106 stores.vcard = st.preserialize(tag);
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107 else
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108 print("[warn] Unknown tag: "..xname);
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109 end
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110 end
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111 return userdata;
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112 end
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113
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114 local function loop_over_users(path, host, cb)
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115 for file in lfs.dir(path) do
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116 if file:match("%.xml$") then
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117 local user = load_spool_file(host, file, path.."/"..file);
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118 if user then cb(user); end
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119 end
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120 end
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121 end
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122 local function loop_over_hosts(path, cb)
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123 for host in lfs.dir(path) do
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124 if host ~= "." and host ~= ".." and is_dir(path.."/"..host) then
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125 loop_over_users(path.."/"..host, host, cb);
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126 end
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127 end
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128 end
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129
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130 local function reader(input)
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131 local path = clean_path(assert(input.path, "no input.path specified"));
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132 assert(is_dir(path), "input.path is not a directory");
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133
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134 if input.host then
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135 return coroutine.wrap(function() loop_over_users(input.path, input.host, coroutine.yield) end);
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136 else
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137 return coroutine.wrap(function() loop_over_hosts(input.path, coroutine.yield) end);
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138 end
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139 end
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140
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141 return {
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142 reader = reader;
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143 };