prosody/tools/ejabberd2prosody.lua
Kim Alvefur 43351d2b54 Spelling: Fix various spelling mistakes (thanks timeless)
Words, sometimes I wonder how they even work

Maybe I missed something.
2022-03-07 00:13:56 +01:00

328 lines
12 KiB
Lua
Executable file

#!/usr/bin/env lua
-- Prosody IM
-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
package.path = package.path ..";../?.lua";
local my_name = arg[0];
if my_name:match("[/\\]") then
package.path = package.path..";"..my_name:gsub("[^/\\]+$", "../?.lua");
package.path = package.path..";"..my_name:gsub("[^/\\]+$", "?.lua");
package.cpath = package.cpath..";"..my_name:gsub("[^/\\]+$", "../?.so");
end
local erlparse = require "erlparse";
prosody = {};
package.loaded["util.logger"] = {init = function() return function() end; end}
local serialize = require "util.serialization".serialize;
local st = require "util.stanza";
local dm = require "util.datamanager"
dm.set_data_path("data");
function build_stanza(tuple, stanza)
assert(type(tuple) == "table", "XML node is of unexpected type: "..type(tuple));
if tuple[1] == "xmlelement" or tuple[1] == "xmlel" then
assert(type(tuple[2]) == "string", "element name has type: "..type(tuple[2]));
assert(type(tuple[3]) == "table", "element attribute array has type: "..type(tuple[3]));
assert(type(tuple[4]) == "table", "element children array has type: "..type(tuple[4]));
local name = tuple[2];
local attr = {};
for _, a in ipairs(tuple[3]) do
if type(a[1]) == "string" and type(a[2]) == "string" then attr[a[1]] = a[2]; end
end
local up;
if stanza then stanza:tag(name, attr); up = true; else stanza = st.stanza(name, attr); end
for _, a in ipairs(tuple[4]) do build_stanza(a, stanza); end
if up then stanza:up(); else return stanza end
elseif tuple[1] == "xmlcdata" then
if type(tuple[2]) ~= "table" then
assert(type(tuple[2]) == "string", "XML CDATA has unexpected type: "..type(tuple[2]));
stanza:text(tuple[2]);
end -- else it's [], i.e., the null value, used for the empty string
else
error("unknown element type: "..serialize(tuple));
end
end
function build_time(tuple)
local Megaseconds,Seconds,Microseconds = unpack(tuple);
return Megaseconds * 1000000 + Seconds;
end
function build_jid(tuple, full)
local node, jid, resource = tuple[1], tuple[2], tuple[3]
if type(node) == "string" and node ~= "" then
jid = tuple[1] .. "@" .. jid;
end
if full and type(resource) == "string" and resource ~= "" then
jid = jid .. "/" .. resource;
end
return jid;
end
function vcard(node, host, stanza)
local ret, err = dm.store(node, host, "vcard", st.preserialize(stanza));
print("["..(err or "success").."] vCard: "..node.."@"..host);
end
function password(node, host, password)
local data = {};
if type(password) == "string" then
data.password = password;
elseif type(password) == "table" and password[1] == "scram" then
local unb64 = require"mime".unb64;
local function hex(s)
return s:gsub(".", function (c)
return ("%02x"):format(c:byte());
end);
end
data.stored_key = hex(unb64(password[2]));
data.server_key = hex(unb64(password[3]));
data.salt = unb64(password[4]);
if type(password[6]) == "number" then
assert(password[5] == "sha", "unexpected passwd entry hash: "..tostring(password[5]));
data.iteration_count = password[6];
else
assert(type(password[5]) == "number", "unexpected passwd entry in source data");
data.iteration_count = password[5];
end
end
local ret, err = dm.store(node, host, "accounts", data);
print("["..(err or "success").."] accounts: "..node.."@"..host);
end
function roster(node, host, jid, item)
local roster = dm.load(node, host, "roster") or {};
roster[jid] = item;
local ret, err = dm.store(node, host, "roster", roster);
print("["..(err or "success").."] roster: " ..node.."@"..host.." - "..jid);
end
function roster_pending(node, host, jid)
local roster = dm.load(node, host, "roster") or {};
roster.pending = roster.pending or {};
roster.pending[jid] = true;
local ret, err = dm.store(node, host, "roster", roster);
print("["..(err or "success").."] roster: " ..node.."@"..host.." - "..jid);
end
function private_storage(node, host, xmlns, stanza)
local private = dm.load(node, host, "private") or {};
private[stanza.name..":"..xmlns] = st.preserialize(stanza);
local ret, err = dm.store(node, host, "private", private);
print("["..(err or "success").."] private: " ..node.."@"..host.." - "..xmlns);
end
function offline_msg(node, host, t, stanza)
stanza.attr.stamp = os.date("!%Y-%m-%dT%H:%M:%SZ", t);
stanza.attr.stamp_legacy = os.date("!%Y%m%dT%H:%M:%S", t);
local ret, err = dm.list_append(node, host, "offline", st.preserialize(stanza));
print("["..(err or "success").."] offline: " ..node.."@"..host.." - "..os.date("!%Y-%m-%dT%H:%M:%SZ", t));
end
function privacy(node, host, default, lists)
local privacy = { lists = {} };
local count = 0;
if default then privacy.default = default; end
for _, inlist in ipairs(lists) do
local name, items = inlist[1], inlist[2];
local list = { name = name; items = {}; };
local orders = {};
for _, item in pairs(items) do
repeat
if item[1] ~= "listitem" then print("[error] privacy: unhandled item: "..tostring(item[1])); break; end
local _type, value = item[2], item[3];
if _type == "jid" then
if type(value) ~= "table" then print("[error] privacy: jid value is not valid: "..tostring(value)); break; end
local _node, _host, _resource = value[1], value[2], value[3];
value = build_jid(value, true)
elseif _type == "none" then
_type = nil;
value = nil;
elseif _type == "group" then
if type(value) ~= "string" then print("[error] privacy: group value is not string: "..tostring(value)); break; end
elseif _type == "subscription" then
if value~="both" and value~="from" and value~="to" and value~="none" then
print("[error] privacy: subscription value is invalid: "..tostring(value)); break;
end
else print("[error] privacy: invalid item type: "..tostring(_type)); break; end
local action = item[4];
if action ~= "allow" and action ~= "deny" then print("[error] privacy: unhandled action: "..tostring(action)); break; end
local order = item[5];
if type(order) ~= "number" or order<0 then print("[error] privacy: order is not numeric: "..tostring(order)); break; end
if orders[order] then print("[error] privacy: duplicate order value: "..tostring(order)); break; end
orders[order] = true;
local match_all = item[6];
local match_iq = item[7];
local match_message = item[8];
local match_presence_in = item[9];
local match_presence_out = item[10];
list.items[#list.items+1] = {
type = _type;
value = value;
action = action;
order = order;
message = match_message == "true";
iq = match_iq == "true";
["presence-in"] = match_presence_in == "true";
["presence-out"] = match_presence_out == "true";
};
until true;
end
table.sort(list.items, function(a, b) return a.order < b.order; end);
if privacy.lists[list.name] then print("[warn] duplicate privacy list: "..tostring(list.name)); end
privacy.lists[list.name] = list;
count = count + 1;
end
if default and not privacy.lists[default] then
if default == "none" then privacy.default = nil;
else print("[warn] default privacy list doesn't exist: "..tostring(default)); end
end
local ret, err = dm.store(node, host, "privacy", privacy);
print("["..(err or "success").."] privacy: " ..node.."@"..host.." - "..count.." list(s)");
end
function muc_room(node, host, properties)
local store = { jid = node.."@"..host, _data = {}, _affiliations = {} };
for _,aff in ipairs(properties.affiliations) do
store._affiliations[build_jid(aff[1])] = aff[2][1] or aff[2];
end
-- destructure ejabberd's subject datum (e.g. [{text,<<>>,<<"my room subject">>}] )
store._data.subject = properties.subject[1][3];
if properties.subject_author then
store._data.subject_from = store.jid .. "/" .. properties.subject_author;
end
store._data.name = properties.title;
store._data.description = properties.description;
if properties.password_protected ~= false and properties.password ~= "" then
store._data.password = properties.password;
end
store._data.moderated = (properties.moderated == "true") or nil;
store._data.members_only = (properties.members_only == "true") or nil;
store._data.persistent = (properties.persistent == "true") or nil;
store._data.changesubject = (properties.allow_change_subj == "true") or nil;
store._data.whois = properties.anonymous == "true" and "moderators" or "anyone";
store._data.hidden = (properties.public_list == "false") or nil;
if not store._data.persistent then
return print("[error] muc_room: skipping non-persistent room: "..node.."@"..host);
end
local ret, err = dm.store(node, host, "config", store);
if ret then
ret, err = dm.load(nil, host, "persistent");
if ret or not err then
ret = ret or {};
ret[store.jid] = true;
ret, err = dm.store(nil, host, "persistent", ret);
end
end
print("["..(err or "success").."] muc_room: " ..node.."@"..host);
end
local filters = {
passwd = function(tuple)
password(tuple[2][1], tuple[2][2], tuple[3]);
end;
vcard = function(tuple)
vcard(tuple[2][1], tuple[2][2], build_stanza(tuple[3]));
end;
roster = function(tuple)
local node = tuple[3][1]; local host = tuple[3][2];
local contact = build_jid(tuple[4]);
local name = tuple[5]; local subscription = tuple[6];
local ask = tuple[7]; local groups = tuple[8];
if type(name) ~= type("") then name = nil; end
if ask == "none" then
ask = nil;
elseif ask == "out" then
ask = "subscribe"
elseif ask == "in" then
roster_pending(node, host, contact);
ask = nil;
elseif ask == "both" then
roster_pending(node, host, contact);
ask = "subscribe";
else error("Unknown ask type: "..ask); end
if subscription ~= "both" and subscription ~= "from" and subscription ~= "to" and subscription ~= "none" then error(subscription) end
local item = {name = name, ask = ask, subscription = subscription, groups = {}};
for _, g in ipairs(groups) do
if type(g) == "string" then
item.groups[g] = true;
end
end
roster(node, host, contact, item);
end;
private_storage = function(tuple)
private_storage(tuple[2][1], tuple[2][2], tuple[2][3], build_stanza(tuple[3]));
end;
offline_msg = function(tuple)
offline_msg(tuple[2][1], tuple[2][2], build_time(tuple[3]), build_stanza(tuple[7]));
end;
privacy = function(tuple)
privacy(tuple[2][1], tuple[2][2], tuple[3], tuple[4]);
end;
muc_room = function(tuple)
local properties = {};
for _,pair in ipairs(tuple[3]) do
if not(type(pair[2]) == "table" and #pair[2] == 0) then -- skip nil values
properties[pair[1]] = pair[2];
end
end
muc_room(tuple[2][1], tuple[2][2], properties);
end;
--[=[config = function(tuple)
if tuple[2] == "hosts" then
local output = io.output(); io.output("prosody.cfg.lua");
io.write("-- Configuration imported from ejabberd --\n");
io.write([[Host "*"
modules_enabled = {
"saslauth"; -- Authentication for clients and servers. Recommended if you want to log in.
"legacyauth"; -- Legacy authentication. Only used by some old clients and bots.
"roster"; -- Allow users to have a roster. Recommended ;)
"register"; -- Allow users to register on this server using a client
"tls"; -- Add support for secure TLS on c2s/s2s connections
"vcard"; -- Allow users to set vCards
"private"; -- Private XML storage (for room bookmarks, etc.)
"version"; -- Replies to server version requests
"dialback"; -- s2s dialback support
"uptime";
"disco";
"time";
"ping";
--"selftests";
};
]]);
for _, h in ipairs(tuple[3]) do
io.write("Host \"" .. h .. "\"\n");
end
io.output(output);
print("prosody.cfg.lua created");
end
end;]=]
};
local arg = ...;
local help = "/? -? ? /h -h /help -help --help";
if not arg or help:find(arg, 1, true) then
print([[ejabberd db dump importer for Prosody
Usage: ]]..my_name..[[ filename.txt
The file can be generated from ejabberd using:
sudo ejabberdctl dump filename.txt
Note: The path of ejabberdctl depends on your ejabberd installation, and ejabberd needs to be running for ejabberdctl to work.]]);
os.exit(1);
end
local count = 0;
local t = {};
for item in erlparse.parseFile(arg) do
count = count + 1;
local name = item[1];
t[name] = (t[name] or 0) + 1;
--print(count, serialize(item));
if filters[name] then filters[name](item); end
end
--print(serialize(t));