4 handlers.accounts = {
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5 get = function(self, user)
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6 local select = self:query("select password from users where username=?", user);
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7 local row = select and select:fetch();
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8 if row then return { password = row[1] }; end
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10 set = function(self, user, data)
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11 if data and data.password then
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12 return self:modify("update users set password=? where username=?", data.password, user)
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13 or self:modify("insert into users (username, password) values (?, ?)", user, data.password);
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15 return self:modify("delete from users where username=?", user);
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20 get = function(self, user)
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21 local select = self:query("select vcard from vcard where username=?", user);
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22 local row = select and select:fetch();
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23 if row then return parse_xml(row[1]); end
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25 set = function(self, user, data)
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27 data = unparse_xml(data);
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28 return self:modify("update vcard set vcard=? where username=?", data, user)
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29 or self:modify("insert into vcard (username, vcard) values (?, ?)", user, data);
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31 return self:modify("delete from vcard where username=?", user);
\r
35 handlers.private = {
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36 get = function(self, user)
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37 local select = self:query("select namespace,data from private_storage where username=?", user);
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40 for row in select:rows() do
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41 data[row[1]] = parse_xml(row[2]);
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46 set = function(self, user, data)
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48 self:modify("delete from private_storage where username=?", user);
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49 for namespace,text in pairs(data) do
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50 self:modify("insert into private_storage (username, namespace, data) values (?, ?, ?)", user, namespace, unparse_xml(text));
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54 return self:modify("delete from private_storage where username=?", user);
\r
57 -- TODO map_set, map_get
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59 local subscription_map = { N = "none", B = "both", F = "from", T = "to" };
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60 local subscription_map_reverse = { none = "N", both = "B", from = "F", to = "T" };
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62 get = function(self, user)
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63 local select = self:query("select jid,nick,subscription,ask,server,subscribe,type from rosterusers where username=?", user);
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65 local roster = { pending = {} };
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66 for row in select:rows() do
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67 local jid,nick,subscription,ask,server,subscribe,typ = unpack(row);
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68 local item = { groups = {} };
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69 if nick == "" then nick = nil; end
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71 item.subscription = subscription_map[subscription];
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72 if ask == "N" then ask = nil;
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73 elseif ask == "O" then ask = "subscribe"
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74 elseif ask == "I" then roster.pending[jid] = true; ask = nil;
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75 elseif ask == "B" then roster.pending[jid] = true; ask = "subscribe";
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76 else module:log("debug", "bad roster_item.ask: %s", ask); ask = nil; end
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81 select = self:query("select jid,grp from rostergroups where username=?", user);
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83 for row in select:rows() do
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84 local jid,grp = unpack(rows);
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85 if roster[jid] then roster[jid].groups[grp] = true; end
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88 select = self:query("select version from roster_version where username=?", user);
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89 local row = select and select:fetch();
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91 roster[false] = { version = row[1]; };
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96 set = function(self, user, data)
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97 if data and next(data) ~= nil then
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98 self:modify("delete from rosterusers where username=?", user);
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99 self:modify("delete from rostergroups where username=?", user);
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100 self:modify("delete from roster_version where username=?", user);
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102 local pending = data.pending or {};
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103 for jid,item in pairs(data) do
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104 if jid and jid ~= "pending" then
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105 local subscription = subscription_map_reverse[item.subscription];
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107 if pending[jid] then
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108 if item.ask then ask = "B"; else ask = "I"; end
\r
110 if item.ask then ask = "O"; else ask = "N"; end
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112 local r = self:modify("insert into rosterusers (username,jid,nick,subscription,ask,askmessage,server,subscribe) values (?, ?, ?, ?, ?, '', '', '')", user, jid, item.nick or "", subscription, ask);
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113 if not r then module:log("debug", "--- :( %s", tostring(r)); end
\r
115 for group in pairs(item.groups) do
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116 self:modify("insert into rostergroups (username,jid,grp) values (?, ?, ?)", user, jid, group);
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120 for jid in pairs(pending) do
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121 if not done[jid] then
\r
122 self:modify("insert into rosterusers (username,jid,nick,subscription,ask,askmessage,server,subscribe) values (?, ?, ?, ?, ?. ''. ''. '')", user, jid, "", "N", "I");
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125 local version = data[false] and data[false].version;
\r
127 self:modify("insert into roster_version (username,version) values (?, ?)", user, version);
\r
131 self:modify("delete from rosterusers where username=?", user);
\r
132 self:modify("delete from rostergroups where username=?", user);
\r
133 self:modify("delete from roster_version where username=?", user);
\r
138 -----------------------------
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140 driver.__index = driver;
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142 function driver:prepare(sql)
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143 module:log("debug", "query: %s", sql);
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145 if not self.sqlcache then self.sqlcache = {}; end
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146 local r = self.sqlcache[sql];
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147 if r then return r; end
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148 r, err = self.database:prepare(sql);
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149 if not r then error("Unable to prepare SQL statement: "..err); end
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150 self.sqlcache[sql] = r;
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154 function driver:query(sql, ...)
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155 local stmt = self:prepare(sql);
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156 if stmt:execute(...) then return stmt; end
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158 function driver:modify(sql, ...)
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159 local stmt = self:query(sql, ...);
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160 if stmt and stmt:affected() > 0 then return stmt; end
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163 function driver:open(host, datastore, typ)
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164 local cache_key = host.." "..datastore;
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165 if self.ds_cache[cache_key] then return self.ds_cache[cache_key]; end
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166 local instance = setmetatable({}, self);
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167 instance.host = host;
\r
168 instance.datastore = datastore;
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169 local handler = handlers[datastore];
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170 if not handler then return nil; end
\r
171 for key,val in pairs(handler) do
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172 instance[key] = val;
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174 if instance.init then instance:init(); end
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175 self.ds_cache[cache_key] = instance;
\r
179 -----------------------------
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182 function _M.new(dbtype, dbname, ...)
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183 local instance = setmetatable({}, driver);
\r
184 instance.__index = instance;
\r
185 instance.database = get_database(dbtype, dbname, ...);
\r
186 instance.ds_cache = {};
\r