1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
local setmetatable = setmetatable;
local error = error;
local unpack = unpack;
local module = module;
local tostring = tostring;
local pairs, next = pairs, next;
local prosody = prosody;
local assert = assert;
local require = require;
-- connect to db
local DBI = require "DBI";
local option_datastore_params = module:get_option("datastore_params") or error("Missing option: datastore_params");
local database;
do
local driver, db = unpack(option_datastore_params);
module:log("debug", "Opening database: %s", "dbi:"..driver..":"..db);
prosody.unlock_globals();
local dbh, err = DBI.Connect(unpack(option_datastore_params));
prosody.lock_globals();
assert(dbh, err);
dbh:autocommit(true)
database = dbh;
end
-- initialize db
local ejabberd_init = module:require("ejabberd_init");
ejabberd_init.init(database);
local st = require "util.stanza";
local _parse_xml = module:require("xmlparse");
local parse_xml_real = _parse_xml;
local function parse_xml(str)
local s = _parse_xml(str);
if s and not s.gsub then
return st.preserialize(s);
end
end
local function unparse_xml(s)
return tostring(st.deserialize(s));
end
local handlers = {};
handlers.accounts = {
get = function(self, user)
local select = self:query("select password from users where username=? and host=?", user, self.host);
local row = select and select:fetch();
if row then return { password = row[1] }; end
end;
set = function(self, user, data)
if data and data.password then
return self:modify("update users set password=? where username=? and host=?", data.password, user, self.host)
or self:modify("insert into users (username, host, password) values (?, ?, ?)", user, self.host, data.password);
else
return self:modify("delete from users where username=? and host=?", user, self.host);
end
end;
};
handlers.vcard = {
get = function(self, user)
local select = self:query("select vcard from vcard where username=? and host=?", user, self.host);
local row = select and select:fetch();
if row then return parse_xml(row[1]); end
end;
set = function(self, user, data)
if data then
data = unparse_xml(data);
return self:modify("update vcard set vcard=? where username=? and host=?", data, user, self.host)
or self:modify("insert into vcard (username, host, vcard) values (?, ?, ?)", user, self.host, data);
else
return self:modify("delete from vcard where username=? and host=?", user, self.host);
end
end;
};
handlers.private = {
get = function(self, user)
local select = self:query("select namespace,data from private_storage where username=? and host=?", user, self.host);
if select then
local data = {};
for row in select:rows() do
data[row[1]] = parse_xml(row[2]);
end
return data;
end
end;
set = function(self, user, data)
if data then
self:modify("delete from private_storage where username=? and host=?", user, self.host);
for namespace,text in pairs(data) do
self:modify("insert into private_storage (username, host, namespace, data) values (?, ?, ?, ?)", user, self.host, namespace, unparse_xml(text));
end
return true;
else
return self:modify("delete from private_storage where username=? and host=?", user, self.host);
end
end;
-- TODO map_set, map_get
};
local subscription_map = { N = "none", B = "both", F = "from", T = "to" };
local subscription_map_reverse = { none = "N", both = "B", from = "F", to = "T" };
handlers.roster = {
get = function(self, user)
local select = self:query("select jid,nick,subscription,ask,server,subscribe,type from rosterusers where username=?", user);
if select then
local roster = { pending = {} };
for row in select:rows() do
local jid,nick,subscription,ask,server,subscribe,typ = unpack(row);
local item = { groups = {} };
if nick == "" then nick = nil; end
item.nick = nick;
item.subscription = subscription_map[subscription];
if ask == "N" then ask = nil;
elseif ask == "O" then ask = "subscribe"
elseif ask == "I" then roster.pending[jid] = true; ask = nil;
elseif ask == "B" then roster.pending[jid] = true; ask = "subscribe";
else module:log("debug", "bad roster_item.ask: %s", ask); ask = nil; end
item.ask = ask;
roster[jid] = item;
end
select = self:query("select jid,grp from rostergroups where username=?", user);
if select then
for row in select:rows() do
local jid,grp = unpack(row);
if roster[jid] then roster[jid].groups[grp] = true; end
end
end
select = self:query("select version from roster_version where username=?", user);
local row = select and select:fetch();
if row then
roster[false] = { version = row[1]; };
end
return roster;
end
end;
set = function(self, user, data)
if data and next(data) ~= nil then
self:modify("delete from rosterusers where username=?", user);
self:modify("delete from rostergroups where username=?", user);
self:modify("delete from roster_version where username=?", user);
local done = {};
local pending = data.pending or {};
for jid,item in pairs(data) do
if jid and jid ~= "pending" then
local subscription = subscription_map_reverse[item.subscription];
local ask;
if pending[jid] then
if item.ask then ask = "B"; else ask = "I"; end
else
if item.ask then ask = "O"; else ask = "N"; end
end
local r = self:modify("insert into rosterusers (username,jid,nick,subscription,ask,askmessage,server,subscribe) values (?, ?, ?, ?, ?, '', '', '')", user, jid, item.nick or "", subscription, ask);
if not r then module:log("debug", "--- :( %s", tostring(r)); end
done[jid] = true;
for group in pairs(item.groups) do
self:modify("insert into rostergroups (username,jid,grp) values (?, ?, ?)", user, jid, group);
end
end
end
for jid in pairs(pending) do
if not done[jid] then
self:modify("insert into rosterusers (username,jid,nick,subscription,ask,askmessage,server,subscribe) values (?, ?, ?, ?, ?. ''. ''. '')", user, jid, "", "N", "I");
end
end
local version = data[false] and data[false].version;
if version then
self:modify("insert into roster_version (username,version) values (?, ?)", user, version);
end
return true;
else
self:modify("delete from rosterusers where username=?", user);
self:modify("delete from rostergroups where username=?", user);
self:modify("delete from roster_version where username=?", user);
end
end;
};
-----------------------------
local driver = {};
driver.__index = driver;
function driver:prepare(sql)
module:log("debug", "query: %s", sql);
local err;
if not self.sqlcache then self.sqlcache = {}; end
local r = self.sqlcache[sql];
if r then return r; end
r, err = database:prepare(sql);
if not r then error("Unable to prepare SQL statement: "..err); end
self.sqlcache[sql] = r;
return r;
end
function driver:query(sql, ...)
local stmt,err = self:prepare(sql);
if not stmt then
module:log("error", "Failed to prepare SQL [[%s]], error: %s", sql, err);
return nil, err;
end
local ok, err = stmt:execute(...);
if not ok then
module:log("error", "Failed to execute SQL [[%s]], error: %s", sql, err);
return nil, err;
end
return stmt;
end
function driver:modify(sql, ...)
local stmt, err = self:query(sql, ...);
if stmt and stmt:affected() > 0 then return stmt; end
return nil, err;
end
function driver:open(datastore, typ)
local instance = setmetatable({}, self);
instance.host = module.host;
instance.datastore = datastore;
local handler = handlers[datastore];
if not handler then return nil; end
for key,val in pairs(handler) do
instance[key] = val;
end
if instance.init then instance:init(); end
return instance;
end
-----------------------------
module:add_item("data-driver", driver);
|
