prosody
d82e13d57821
tools/ejabberdsql2prosody.lua

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tools/ejabberdsql2prosody.lua @ 1598:d82e13d57821

ejabberdsql2prosody: Added support for the escape sequence '\\' in strings
author Waqas Hussain <waqas20@gmail.com>
date Sun, 26 Jul 2009 17:29:56 +0500
parent 1597:84328a4df655
child 1599:308986a3e66a
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1 #!/usr/bin/env lua
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2 -- Prosody IM
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3 -- Copyright (C) 2008-2009 Matthew Wild
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4 -- Copyright (C) 2008-2009 Waqas Hussain
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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
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10 package.path = package.path ..";../?.lua";
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11 local serialize = require "util.serialization".serialize;
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12 local st = require "util.stanza";
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13 package.loaded["util.logger"] = {init = function() return function() end; end}
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14 local dm = require "util.datamanager"
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15 dm.set_data_path("data");
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16
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17 function parseFile(filename)
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18 ------
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19
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20 local file = nil;
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21 local last = nil;
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22 local function read(expected)
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23 local ch;
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24 if last then
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25 ch = last; last = nil;
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26 else ch = file:read(1); end
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27 if expected and ch ~= expected then error("expected: "..expected.."; got: "..(ch or "nil")); end
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28 return ch;
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29 end
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30 local function pushback(ch)
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31 if last then error(); end
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32 last = ch;
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33 end
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34 local function peek()
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35 if not last then last = read(); end
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36 return last;
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37 end
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38
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39 local function unescape(s)
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40 if s == "\\'" then return "'"; end
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41 if s == "\\n" then return "\n"; end
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42 if s == "\\\\" then return "\\"; end
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43 error("Unknown escape sequence: "..s);
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44 end
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45 local function readString()
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46 read("'");
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47 local s = "";
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48 while true do
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49 local ch = peek();
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50 if ch == "\\" then
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51 s = s..unescape(read()..read());
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52 elseif ch == "'" then
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53 break;
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54 else
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55 s = s..read();
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56 end
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57 end
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58 read("'");
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59 return s;
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60 end
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61 local function readNonString()
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62 local s = "";
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63 while true do
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64 if peek() == "," or peek() == ")" then
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65 break;
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66 else
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67 s = s..read();
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68 end
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69 end
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70 return tonumber(s);
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71 end
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72 local function readItem()
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73 if peek() == "'" then
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74 return readString();
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75 else
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76 return readNonString();
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77 end
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78 end
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79 local function readTuple()
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80 local items = {}
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81 read("(");
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82 while peek() ~= ")" do
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83 table.insert(items, readItem());
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84 if peek() == ")" then break; end
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85 read(",");
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86 end
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87 read(")");
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88 return items;
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89 end
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90 local function readTuples()
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91 if peek() ~= "(" then read("("); end
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92 local tuples = {};
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93 while true do
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94 table.insert(tuples, readTuple());
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95 if peek() == "," then read() end
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96 if peek() == ";" then break; end
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97 end
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98 return tuples;
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99 end
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100 local function readTableName()
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101 local tname = "";
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102 while peek() ~= "`" do tname = tname..read(); end
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103 return tname;
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104 end
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105 local function readInsert()
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106 if peek() == nil then return nil; end
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107 for ch in ("INSERT INTO `"):gmatch(".") do -- find line starting with this
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108 if peek() == ch then
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109 read(); -- found
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110 else -- match failed, skip line
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111 while peek() and read() ~= "\n" do end
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112 return nil;
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113 end
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114 end
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115 local tname = readTableName();
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116 for ch in ("` VALUES "):gmatch(".") do read(ch); end -- expect this
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117 local tuples = readTuples();
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118 read(";"); read("\n");
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119 return tname, tuples;
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120 end
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121
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122 local function readFile(filename)
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123 file = io.open(filename);
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124 if not file then error("File not found: "..filename); os.exit(0); end
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125 local t = {};
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126 while true do
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127 local tname, tuples = readInsert();
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128 if tname then
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129 t[tname] = tuples;
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130 elseif peek() == nil then
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131 break;
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132 end
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133 end
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134 return t;
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135 end
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136
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137 return readFile(filename);
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138
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139 ------
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140 end
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141
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142 local arg, host = ...;
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143 local help = "/? -? ? /h -h /help -help --help";
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144 if not(arg and host) or help:find(arg, 1, true) then
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145 print([[ejabberd SQL DB dump importer for Prosody
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146
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147 Usage: ejabberdsql2prosody.lua filename.txt hostname
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148
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149 The file can be generated using mysqldump:
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150 mysqldump db_name > filename.txt]]);
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151 os.exit(1);
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152 end
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153 local map = {
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154 ["last"] = {"username", "seconds", "state"};
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155 ["privacy_default_list"] = {"username", "name"};
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156 ["privacy_list"] = {"username", "name", "id"};
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157 ["privacy_list_data"] = {"id", "t", "value", "action", "ord", "match_all", "match_iq", "match_message", "match_presence_in", "match_presence_out"};
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158 ["private_storage"] = {"username", "namespace", "data"};
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159 ["rostergroups"] = {"username", "jid", "grp"};
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160 ["rosterusers"] = {"username", "jid", "nick", "subscription", "ask", "askmessage", "server", "subscribe", "type"};
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161 ["spool"] = {"username", "xml", "seq"};
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162 ["users"] = {"username", "password"};
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163 ["vcard"] = {"username", "vcard"};
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164 --["vcard_search"] = {};
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165 }
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166 local NULL = {};
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167 local t = parseFile(arg);
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168 for name, data in pairs(t) do
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169 local m = map[name];
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170 if m then
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171 for i=1,#data do
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172 local row = data[i];
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173 for j=1,#row do
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174 row[m[j]] = row[j];
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175 row[j] = nil;
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176 end
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177 end
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178 end
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179 end
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180 --print(serialize(t));
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181
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182 for i, row in ipairs(t["users"] or NULL) do
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183 local node, password = row.username, row.password;
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184 local ret, err = dm.store(node, host, "accounts", {password = password});
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185 print("["..(err or "success").."] accounts: "..node.."@"..host.." = "..password);
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186 end
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187
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188 function roster(node, host, jid, item)
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189 local roster = dm.load(node, host, "roster") or {};
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190 roster[jid] = item;
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191 local ret, err = dm.store(node, host, "roster", roster);
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192 print("["..(err or "success").."] roster: " ..node.."@"..host.." - "..jid);
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193 end
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194 function roster_pending(node, host, jid)
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195 local roster = dm.load(node, host, "roster") or {};
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196 roster.pending = roster.pending or {};
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197 roster.pending[jid] = true;
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198 local ret, err = dm.store(node, host, "roster", roster);
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199 print("["..(err or "success").."] roster-pending: " ..node.."@"..host.." - "..jid);
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200 end
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201 function roster_group(node, host, jid, group)
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202 local roster = dm.load(node, host, "roster") or {};
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203 local item = roster[jid];
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204 if not item then print("Warning: No roster item "..jid.." for user "..user..", can't put in group "..group); return; end
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205 item.groups[group] = true;
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206 local ret, err = dm.store(node, host, "roster", roster);
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207 print("["..(err or "success").."] roster-group: " ..node.."@"..host.." - "..jid.." - "..group);
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208 end
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209 for i, row in ipairs(t["rosterusers"] or NULL) do
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210 local node, contact = row.username, row.jid;
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211 local name = row.nick;
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212 if name == "" then name = nil; end
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213 local subscription = row.subscription;
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214 if subscription == "N" then
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215 subscription = "none"
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216 elseif subscription == "B" then
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217 subscription = "both"
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218 elseif subscription == "F" then
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219 subscription = "from"
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220 elseif subscription == "T" then
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221 subscription = "to"
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222 else error("Unknown subscription type: "..subscription) end;
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223 local ask = row.ask;
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224 if ask == "N" then
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225 ask = nil;
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226 elseif ask == "O" then
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227 ask = "subscribe";
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228 elseif ask == "I" then
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229 roster_pending(node, host, contact);
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230 ask = nil;
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231 else error("Unknown ask type: "..ask); end
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232 local item = {name = name, ask = ask, subscription = subscription, groups = {}};
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233 roster(node, host, contact, item);
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234 end
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235 for i, row in ipairs(t["rostergroups"] or NULL) do
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236 roster_group(row.username, host, row.jid, row.grp);
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237 end