prosody
a919511c45ac
tools/ejabberdsql2prosody.lua

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tools/ejabberdsql2prosody.lua @ 2037:a919511c45ac

xmlhandlers: Reset state on error or stream close, fixes possible traceback
author Matthew Wild <mwild1@gmail.com>
date Wed, 21 Oct 2009 14:05:33 +0100
parent 1649:a6698ab04039
child 2688:95d665f20c71
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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 escapes = {
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40 ["\\0"] = "\0";
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41 ["\\'"] = "'";
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42 ["\\\""] = "\"";
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43 ["\\b"] = "\b";
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44 ["\\n"] = "\n";
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45 ["\\r"] = "\r";
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46 ["\\t"] = "\t";
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47 ["\\Z"] = "\26";
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48 ["\\\\"] = "\\";
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49 ["\\%"] = "%";
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50 ["\\_"] = "_";
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51 }
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52 local function unescape(s)
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53 return escapes[s] or error("Unknown escape sequence: "..s);
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54 end
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55 local function readString()
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56 read("'");
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57 local s = "";
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58 while true do
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59 local ch = peek();
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60 if ch == "\\" then
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61 s = s..unescape(read()..read());
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62 elseif ch == "'" then
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63 break;
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64 else
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65 s = s..read();
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66 end
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67 end
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68 read("'");
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69 return s;
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70 end
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71 local function readNonString()
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72 local s = "";
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73 while true do
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74 if peek() == "," or peek() == ")" then
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75 break;
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76 else
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77 s = s..read();
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78 end
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79 end
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80 return tonumber(s);
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81 end
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82 local function readItem()
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83 if peek() == "'" then
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84 return readString();
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85 else
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86 return readNonString();
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87 end
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88 end
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89 local function readTuple()
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90 local items = {}
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91 read("(");
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92 while peek() ~= ")" do
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93 table.insert(items, readItem());
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94 if peek() == ")" then break; end
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95 read(",");
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96 end
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97 read(")");
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98 return items;
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99 end
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100 local function readTuples()
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101 if peek() ~= "(" then read("("); end
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102 local tuples = {};
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103 while true do
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104 table.insert(tuples, readTuple());
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105 if peek() == "," then read() end
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106 if peek() == ";" then break; end
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107 end
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108 return tuples;
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109 end
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110 local function readTableName()
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111 local tname = "";
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112 while peek() ~= "`" do tname = tname..read(); end
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113 return tname;
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114 end
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115 local function readInsert()
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116 if peek() == nil then return nil; end
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117 for ch in ("INSERT INTO `"):gmatch(".") do -- find line starting with this
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118 if peek() == ch then
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119 read(); -- found
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120 else -- match failed, skip line
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121 while peek() and read() ~= "\n" do end
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122 return nil;
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123 end
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124 end
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125 local tname = readTableName();
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126 for ch in ("` VALUES "):gmatch(".") do read(ch); end -- expect this
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127 local tuples = readTuples();
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128 read(";"); read("\n");
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129 return tname, tuples;
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130 end
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131
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132 local function readFile(filename)
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133 file = io.open(filename);
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134 if not file then error("File not found: "..filename); os.exit(0); end
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135 local t = {};
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136 while true do
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137 local tname, tuples = readInsert();
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138 if tname then
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139 if t[tname] then
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140 local t_name = t[tname];
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141 for i=1,#tuples do
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142 table.insert(t_name, tuples[i]);
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143 end
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144 else
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145 t[tname] = tuples;
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146 end
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147 elseif peek() == nil then
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148 break;
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149 end
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150 end
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151 return t;
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152 end
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153
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154 return readFile(filename);
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155
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156 ------
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157 end
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158
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159 -- XML parser
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160 local parse_xml = (function()
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161 local entity_map = setmetatable({
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162 ["amp"] = "&";
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163 ["gt"] = ">";
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164 ["lt"] = "<";
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165 ["apos"] = "'";
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166 ["quot"] = "\"";
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167 }, {__index = function(_, s)
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168 if s:sub(1,1) == "#" then
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169 if s:sub(2,2) == "x" then
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170 return string.char(tonumber(s:sub(3), 16));
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171 else
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172 return string.char(tonumber(s:sub(2)));
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173 end
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174 end
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175 end
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176 });
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177 local function xml_unescape(str)
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178 return (str:gsub("&(.-);", entity_map));
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179 end
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180 local function parse_tag(s)
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181 local name,sattr=(s):gmatch("([^%s]+)(.*)")();
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182 local attr = {};
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183 for a,b in (sattr):gmatch("([^=%s]+)=['\"]([^'\"]*)['\"]") do attr[a] = xml_unescape(b); end
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184 return name, attr;
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185 end
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186 return function(xml)
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187 local stanza = st.stanza("root");
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188 local regexp = "<([^>]*)>([^<]*)";
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189 for elem, text in xml:gmatch(regexp) do
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190 if elem:sub(1,1) == "!" or elem:sub(1,1) == "?" then -- neglect comments and processing-instructions
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191 elseif elem:sub(1,1) == "/" then -- end tag
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192 elem = elem:sub(2);
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193 stanza:up(); -- TODO check for start-end tag name match
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194 elseif elem:sub(-1,-1) == "/" then -- empty tag
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195 elem = elem:sub(1,-2);
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196 local name,attr = parse_tag(elem);
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197 stanza:tag(name, attr):up();
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198 else -- start tag
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199 local name,attr = parse_tag(elem);
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200 stanza:tag(name, attr);
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201 end
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202 if #text ~= 0 then -- text
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203 stanza:text(xml_unescape(text));
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204 end
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205 end
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206 return stanza.tags[1];
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207 end
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208 end)();
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209 -- end of XML parser
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210
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211 local arg, host = ...;
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212 local help = "/? -? ? /h -h /help -help --help";
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213 if not(arg and host) or help:find(arg, 1, true) then
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214 print([[ejabberd SQL DB dump importer for Prosody
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215
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216 Usage: ejabberdsql2prosody.lua filename.txt hostname
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217
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218 The file can be generated using mysqldump:
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219 mysqldump db_name > filename.txt]]);
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220 os.exit(1);
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221 end
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222 local map = {
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223 ["last"] = {"username", "seconds", "state"};
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224 ["privacy_default_list"] = {"username", "name"};
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225 ["privacy_list"] = {"username", "name", "id"};
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226 ["privacy_list_data"] = {"id", "t", "value", "action", "ord", "match_all", "match_iq", "match_message", "match_presence_in", "match_presence_out"};
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227 ["private_storage"] = {"username", "namespace", "data"};
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228 ["rostergroups"] = {"username", "jid", "grp"};
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229 ["rosterusers"] = {"username", "jid", "nick", "subscription", "ask", "askmessage", "server", "subscribe", "type"};
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230 ["spool"] = {"username", "xml", "seq"};
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231 ["users"] = {"username", "password"};
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232 ["vcard"] = {"username", "vcard"};
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233 --["vcard_search"] = {};
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234 }
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235 local NULL = {};
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236 local t = parseFile(arg);
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237 for name, data in pairs(t) do
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238 local m = map[name];
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239 if m then
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240 if #data > 0 and #data[1] ~= #m then
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241 print("[warning] expected "..#m.." columns for table `"..name.."`, found "..#data[1]);
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242 end
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243 for i=1,#data do
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244 local row = data[i];
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245 for j=1,#m do
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246 row[m[j]] = row[j];
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247 row[j] = nil;
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248 end
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249 end
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250 end
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251 end
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252 --print(serialize(t));
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253
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254 for i, row in ipairs(t["users"] or NULL) do
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255 local node, password = row.username, row.password;
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256 local ret, err = dm.store(node, host, "accounts", {password = password});
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257 print("["..(err or "success").."] accounts: "..node.."@"..host.." = "..password);
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258 end
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259
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260 function roster(node, host, jid, item)
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261 local roster = dm.load(node, host, "roster") or {};
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262 roster[jid] = item;
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263 local ret, err = dm.store(node, host, "roster", roster);
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264 print("["..(err or "success").."] roster: " ..node.."@"..host.." - "..jid);
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265 end
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266 function roster_pending(node, host, jid)
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267 local roster = dm.load(node, host, "roster") or {};
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268 roster.pending = roster.pending or {};
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269 roster.pending[jid] = true;
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270 local ret, err = dm.store(node, host, "roster", roster);
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271 print("["..(err or "success").."] roster-pending: " ..node.."@"..host.." - "..jid);
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272 end
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273 function roster_group(node, host, jid, group)
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274 local roster = dm.load(node, host, "roster") or {};
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275 local item = roster[jid];
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276 if not item then print("Warning: No roster item "..jid.." for user "..node..", can't put in group "..group); return; end
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277 item.groups[group] = true;
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278 local ret, err = dm.store(node, host, "roster", roster);
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279 print("["..(err or "success").."] roster-group: " ..node.."@"..host.." - "..jid.." - "..group);
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280 end
1630
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281 function private_storage(node, host, xmlns, stanza)
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282 local private = dm.load(node, host, "private") or {};
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283 private[stanza.name..":"..xmlns] = st.preserialize(stanza);
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284 local ret, err = dm.store(node, host, "private", private);
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285 print("["..(err or "success").."] private: " ..node.."@"..host.." - "..xmlns);
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286 end
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287 function offline_msg(node, host, t, stanza)
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288 stanza.attr.stamp = os.date("!%Y-%m-%dT%H:%M:%SZ", t);
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289 stanza.attr.stamp_legacy = os.date("!%Y%m%dT%H:%M:%S", t);
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290 local ret, err = dm.list_append(node, host, "offline", st.preserialize(stanza));
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291 print("["..(err or "success").."] offline: " ..node.."@"..host.." - "..os.date("!%Y-%m-%dT%H:%M:%SZ", t));
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292 end
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293 for i, row in ipairs(t["rosterusers"] or NULL) do
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294 local node, contact = row.username, row.jid;
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295 local name = row.nick;
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296 if name == "" then name = nil; end
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297 local subscription = row.subscription;
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298 if subscription == "N" then
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299 subscription = "none"
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300 elseif subscription == "B" then
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301 subscription = "both"
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302 elseif subscription == "F" then
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303 subscription = "from"
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304 elseif subscription == "T" then
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305 subscription = "to"
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306 else error("Unknown subscription type: "..subscription) end;
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307 local ask = row.ask;
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308 if ask == "N" then
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309 ask = nil;
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310 elseif ask == "O" then
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311 ask = "subscribe";
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312 elseif ask == "I" then
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313 roster_pending(node, host, contact);
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84328a4df655 ejabberdsql2prosody: Fixed: 'ask' value should be nil for pending-in subscriptions
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diff changeset
314 ask = nil;
1602
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diff changeset
315 elseif ask == "B" then
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diff changeset
316 roster_pending(node, host, contact);
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317 ask = "subscribe";
1595
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318 else error("Unknown ask type: "..ask); end
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319 local item = {name = name, ask = ask, subscription = subscription, groups = {}};
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320 roster(node, host, contact, item);
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321 end
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322 for i, row in ipairs(t["rostergroups"] or NULL) do
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323 roster_group(row.username, host, row.jid, row.grp);
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324 end
1629
f6af348cf497 ejabberdsql2prosody: Added support for vCards
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325 for i, row in ipairs(t["vcard"] or NULL) do
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326 local ret, err = dm.store(row.username, host, "vcard", st.preserialize(parse_xml(row.vcard)));
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327 print("["..(err or "success").."] vCard: "..row.username.."@"..host);
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328 end
1630
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diff changeset
329 for i, row in ipairs(t["private_storage"] or NULL) do
1649
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330 private_storage(row.username, host, row.namespace, parse_xml(row.data));
1630
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331 end
1648
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diff changeset
332 table.sort(t["spool"] or NULL, function(a,b) return a.seq < b.seq; end); -- sort by sequence number, just in case
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diff changeset
333 local time_offset = os.difftime(os.time(os.date("!*t")), os.time(os.date("*t"))) -- to deal with timezones
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334 local date_parse = function(s)
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diff changeset
335 local year, month, day, hour, min, sec = s:match("(....)-?(..)-?(..)T(..):(..):(..)");
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336 return os.time({year=year, month=month, day=day, hour=hour, min=min, sec=sec-time_offset});
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diff changeset
337 end
b05371e6f058 ejabberdsql2prosody: Added support for offline messages
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diff changeset
338 for i, row in ipairs(t["spool"] or NULL) do
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diff changeset
339 local stanza = parse_xml(row.xml);
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diff changeset
340 local last_child = stanza.tags[#stanza.tags];
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parents: 1647
diff changeset
341 if not last_child or last_child ~= stanza[#stanza] then error("Last child of offline message is not a tag"); end
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parents: 1647
diff changeset
342 if last_child.name ~= "x" and last_child.attr.xmlns ~= "jabber:x:delay" then error("Last child of offline message is not a timestamp"); end
b05371e6f058 ejabberdsql2prosody: Added support for offline messages
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diff changeset
343 stanza[#stanza], stanza.tags[#stanza.tags] = nil, nil;
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diff changeset
344 local t = date_parse(last_child.attr.stamp);
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diff changeset
345 offline_msg(row.username, host, t, stanza);
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parents: 1647
diff changeset
346 end