tools/ejabberdsql2prosody.lua

   1 #!/usr/bin/env lua
   2 -- Prosody IM
   3 -- Copyright (C) 2008-2010 Matthew Wild
   4 -- Copyright (C) 2008-2010 Waqas Hussain
   5 --
   6 -- This project is MIT/X11 licensed. Please see the
   7 -- COPYING file in the source package for more information.
   8 --
   9
  10 prosody = {};
  11
  12 package.path = package.path ..";../?.lua";
  13
  14 local my_name = arg[0];
  15 if my_name:match("[/\\]") then
  16         package.path = package.path..";"..my_name:gsub("[^/\\]+$", "../?.lua");
  17         package.cpath = package.cpath..";"..my_name:gsub("[^/\\]+$", "../?.so");
  18 end
  19
  20
  21 local serialize = require "util.serialization".serialize;
  22 local st = require "util.stanza";
  23 local parse_xml = require "util.xml".parse;
  24 package.loaded["util.logger"] = {init = function() return function() end; end}
  25 local dm = require "util.datamanager"
  26 dm.set_data_path("data");
  27
  28 function parseFile(filename)
  29 ------
  30
  31 local file = nil;
  32 local last = nil;
  33 local line = 1;
  34 local function read(expected)
  35         local ch;
  36         if last then
  37                 ch = last; last = nil;
  38         else
  39                 ch = file:read(1);
  40                 if ch == "\n" then line = line + 1; end
  41         end
  42         if expected and ch ~= expected then error("expected: "..expected.."; got: "..(ch or "nil").." on line "..line); end
  43         return ch;
  44 end
  45 local function peek()
  46         if not last then last = read(); end
  47         return last;
  48 end
  49
  50 local escapes = {
  51         ["\\0"] = "\0";
  52         ["\\'"] = "'";
  53         ["\\\""] = "\"";
  54         ["\\b"] = "\b";
  55         ["\\n"] = "\n";
  56         ["\\r"] = "\r";
  57         ["\\t"] = "\t";
  58         ["\\Z"] = "\26";
  59         ["\\\\"] = "\\";
  60         ["\\%"] = "%";
  61         ["\\_"] = "_";
  62 }
  63 local function unescape(s)
  64         return escapes[s] or error("Unknown escape sequence: "..s);
  65 end
  66 local function readString()
  67         read("'");
  68         local s = "";
  69         while true do
  70                 local ch = peek();
  71                 if ch == "\\" then
  72                         s = s..unescape(read()..read());
  73                 elseif ch == "'" then
  74                         break;
  75                 else
  76                         s = s..read();
  77                 end
  78         end
  79         read("'");
  80         return s;
  81 end
  82 local function readNonString()
  83         local s = "";
  84         while true do
  85                 if peek() == "," or peek() == ")" then
  86                         break;
  87                 else
  88                         s = s..read();
  89                 end
  90         end
  91         return tonumber(s);
  92 end
  93 local function readItem()
  94         if peek() == "'" then
  95                 return readString();
  96         else
  97                 return readNonString();
  98         end
  99 end
 100 local function readTuple()
 101         local items = {}
 102         read("(");
 103         while peek() ~= ")" do
 104                 table.insert(items, readItem());
 105                 if peek() == ")" then break; end
 106                 read(",");
 107         end
 108         read(")");
 109         return items;
 110 end
 111 local function readTuples()
 112         if peek() ~= "(" then read("("); end
 113         local tuples = {};
 114         while true do
 115                 table.insert(tuples, readTuple());
 116                 if peek() == "," then read() end
 117                 if peek() == ";" then break; end
 118         end
 119         return tuples;
 120 end
 121 local function readTableName()
 122         local tname = "";
 123         while peek() ~= "`" do tname = tname..read(); end
 124         return tname;
 125 end
 126 local function readInsert()
 127         if peek() == nil then return nil; end
 128         for ch in ("INSERT INTO `"):gmatch(".") do -- find line starting with this
 129                 if peek() == ch then
 130                         read(); -- found
 131                 else -- match failed, skip line
 132                         while peek() and read() ~= "\n" do end
 133                         return nil;
 134                 end
 135         end
 136         local tname = readTableName();
 137         read("`"); read(" ") -- expect this
 138         if peek() == "(" then -- skip column list
 139                 repeat until read() == ")";
 140                 read(" ");
 141         end
 142         for ch in ("VALUES "):gmatch(".") do read(ch); end -- expect this
 143         local tuples = readTuples();
 144         read(";"); read("\n");
 145         return tname, tuples;
 146 end
 147
 148 local function readFile(filename)
 149         file = io.open(filename);
 150         if not file then error("File not found: "..filename); os.exit(0); end
 151         local t = {};
 152         while true do
 153                 local tname, tuples = readInsert();
 154                 if tname then
 155                         if t[tname] then
 156                                 local t_name = t[tname];
 157                                 for i=1,#tuples do
 158                                         table.insert(t_name, tuples[i]);
 159                                 end
 160                         else
 161                                 t[tname] = tuples;
 162                         end
 163                 elseif peek() == nil then
 164                         break;
 165                 end
 166         end
 167         return t;
 168 end
 169
 170 return readFile(filename);
 171
 172 ------
 173 end
 174
 175 local arg, hostname = ...;
 176 local help = "/? -? ? /h -h /help -help --help";
 177 if not(arg and hostname) or help:find(arg, 1, true) then
 178         print([[ejabberd SQL DB dump importer for Prosody
 179
 180   Usage: ejabberdsql2prosody.lua filename.txt hostname
 181
 182 The file can be generated using mysqldump:
 183   mysqldump db_name > filename.txt]]);
 184         os.exit(1);
 185 end
 186 local map = {
 187         ["last"] = {"username", "seconds", "state"};
 188         ["privacy_default_list"] = {"username", "name"};
 189         ["privacy_list"] = {"username", "name", "id"};
 190         ["privacy_list_data"] = {"id", "t", "value", "action", "ord", "match_all", "match_iq", "match_message", "match_presence_in", "match_presence_out"};
 191         ["private_storage"] = {"username", "namespace", "data"};
 192         ["rostergroups"] = {"username", "jid", "grp"};
 193         ["rosterusers"] = {"username", "jid", "nick", "subscription", "ask", "askmessage", "server", "subscribe", "type"};
 194         ["spool"] = {"username", "xml", "seq"};
 195         ["users"] = {"username", "password"};
 196         ["vcard"] = {"username", "vcard"};
 197         --["vcard_search"] = {};
 198 }
 199 local NULL = {};
 200 local parsed = parseFile(arg);
 201 for name, data in pairs(parsed) do
 202         local m = map[name];
 203         if m then
 204                 if #data > 0 and #data[1] ~= #m then
 205                         print("[warning] expected "..#m.." columns for table `"..name.."`, found "..#data[1]);
 206                 end
 207                 for i=1,#data do
 208                         local row = data[i];
 209                         for j=1,#m do
 210                                 row[m[j]] = row[j];
 211                                 row[j] = nil;
 212                         end
 213                 end
 214         end
 215 end
 216 --print(serialize(t));
 217
 218 for _, row in ipairs(parsed["users"] or NULL) do
 219         local node, password = row.username, row.password;
 220         local ret, err = dm.store(node, hostname, "accounts", {password = password});
 221         print("["..(err or "success").."] accounts: "..node.."@"..hostname);
 222 end
 223
 224 function roster(node, host, jid, item)
 225         local roster = dm.load(node, host, "roster") or {};
 226         roster[jid] = item;
 227         local ret, err = dm.store(node, host, "roster", roster);
 228         print("["..(err or "success").."] roster: " ..node.."@"..host.." - "..jid);
 229 end
 230 function roster_pending(node, host, jid)
 231         local roster = dm.load(node, host, "roster") or {};
 232         roster.pending = roster.pending or {};
 233         roster.pending[jid] = true;
 234         local ret, err = dm.store(node, host, "roster", roster);
 235         print("["..(err or "success").."] roster-pending: " ..node.."@"..host.." - "..jid);
 236 end
 237 function roster_group(node, host, jid, group)
 238         local roster = dm.load(node, host, "roster") or {};
 239         local item = roster[jid];
 240         if not item then print("Warning: No roster item "..jid.." for user "..node..", can't put in group "..group); return; end
 241         item.groups[group] = true;
 242         local ret, err = dm.store(node, host, "roster", roster);
 243         print("["..(err or "success").."] roster-group: " ..node.."@"..host.." - "..jid.." - "..group);
 244 end
 245 function private_storage(node, host, xmlns, stanza)
 246         local private = dm.load(node, host, "private") or {};
 247         private[stanza.name..":"..xmlns] = st.preserialize(stanza);
 248         local ret, err = dm.store(node, host, "private", private);
 249         print("["..(err or "success").."] private: " ..node.."@"..host.." - "..xmlns);
 250 end
 251 function offline_msg(node, host, t, stanza)
 252         stanza.attr.stamp = os.date("!%Y-%m-%dT%H:%M:%SZ", t);
 253         stanza.attr.stamp_legacy = os.date("!%Y%m%dT%H:%M:%S", t);
 254         local ret, err = dm.list_append(node, host, "offline", st.preserialize(stanza));
 255         print("["..(err or "success").."] offline: " ..node.."@"..host.." - "..os.date("!%Y-%m-%dT%H:%M:%SZ", t));
 256 end
 257 for _, row in ipairs(parsed["rosterusers"] or NULL) do
 258         local node, contact = row.username, row.jid;
 259         local name = row.nick;
 260         if name == "" then name = nil; end
 261         local subscription = row.subscription;
 262         if subscription == "N" then
 263                 subscription = "none"
 264         elseif subscription == "B" then
 265                 subscription = "both"
 266         elseif subscription == "F" then
 267                 subscription = "from"
 268         elseif subscription == "T" then
 269                 subscription = "to"
 270         else error("Unknown subscription type: "..subscription) end;
 271         local ask = row.ask;
 272         if ask == "N" then
 273                 ask = nil;
 274         elseif ask == "O" then
 275                 ask = "subscribe";
 276         elseif ask == "I" then
 277                 roster_pending(node, hostname, contact);
 278                 ask = nil;
 279         elseif ask == "B" then
 280                 roster_pending(node, hostname, contact);
 281                 ask = "subscribe";
 282         else error("Unknown ask type: "..ask); end
 283         local item = {name = name, ask = ask, subscription = subscription, groups = {}};
 284         roster(node, hostname, contact, item);
 285 end
 286 for _, row in ipairs(parsed["rostergroups"] or NULL) do
 287         roster_group(row.username, hostname, row.jid, row.grp);
 288 end
 289 for _, row in ipairs(parsed["vcard"] or NULL) do
 290         local stanza, err = parse_xml(row.vcard);
 291         if stanza then
 292                 local ret, err = dm.store(row.username, hostname, "vcard", st.preserialize(stanza));
 293                 print("["..(err or "success").."] vCard: "..row.username.."@"..hostname);
 294         else
 295                 print("[error] vCard XML parse failed: "..row.username.."@"..hostname);
 296         end
 297 end
 298 for _, row in ipairs(parsed["private_storage"] or NULL) do
 299         local stanza, err = parse_xml(row.data);
 300         if stanza then
 301                 private_storage(row.username, hostname, row.namespace, stanza);
 302         else
 303                 print("[error] Private XML parse failed: "..row.username.."@"..hostname);
 304         end
 305 end
 306 table.sort(parsed["spool"] or NULL, function(a,b) return a.seq < b.seq; end); -- sort by sequence number, just in case
 307 local time_offset = os.difftime(os.time(os.date("!*t")), os.time(os.date("*t"))) -- to deal with timezones
 308 local date_parse = function(s)
 309         local year, month, day, hour, min, sec = s:match("(....)-?(..)-?(..)T(..):(..):(..)");
 310         return os.time({year=year, month=month, day=day, hour=hour, min=min, sec=sec-time_offset});
 311 end
 312 for _, row in ipairs(parsed["spool"] or NULL) do
 313         local stanza, err = parse_xml(row.xml);
 314         if stanza then
 315                 local last_child = stanza.tags[#stanza.tags];
 316                 if not last_child or last_child ~= stanza[#stanza] then error("Last child of offline message is not a tag"); end
 317                 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
 318                 stanza[#stanza], stanza.tags[#stanza.tags] = nil, nil;
 319                 local t = date_parse(last_child.attr.stamp);
 320                 offline_msg(row.username, hostname, t, stanza);
 321         else
 322                 print("[error] Offline message XML parsing failed: "..row.username.."@"..hostname);
 323         end
 324 end