diff options
Diffstat (limited to 'plugins')
| -rw-r--r-- | plugins/mod_storage_sql1.lua | 414 |
1 files changed, 0 insertions, 414 deletions
diff --git a/plugins/mod_storage_sql1.lua b/plugins/mod_storage_sql1.lua deleted file mode 100644 index e1041bca..00000000 --- a/plugins/mod_storage_sql1.lua +++ /dev/null @@ -1,414 +0,0 @@ - ---[[ - -DB Tables: - Prosody - key-value, map - | host | user | store | key | type | value | - ProsodyArchive - list - | host | user | store | key | time | stanzatype | jsonvalue | - -Mapping: - Roster - Prosody - | host | user | "roster" | "contactjid" | type | value | - | host | user | "roster" | NULL | "json" | roster[false] data | - Account - Prosody - | host | user | "accounts" | "username" | type | value | - - Offline - ProsodyArchive - | host | user | "offline" | "contactjid" | time | "message" | json|XML | - -]] - -local type = type; -local tostring = tostring; -local tonumber = tonumber; -local pairs = pairs; -local next = next; -local setmetatable = setmetatable; -local xpcall = xpcall; -local json = require "util.json"; -local build_url = require"socket.url".build; - -local DBI; -local connection; -local host,user,store = module.host; -local params = module:get_option("sql"); - -local dburi; -local connections = module:shared "/*/sql/connection-cache"; - -local function db2uri(params) - return build_url{ - scheme = params.driver, - user = params.username, - password = params.password, - host = params.host, - port = params.port, - path = params.database, - }; -end - - -local resolve_relative_path = require "util.paths".resolve_relative_path; - -local function test_connection() - if not connection then return nil; end - if connection:ping() then - return true; - else - module:log("debug", "Database connection closed"); - connection = nil; - connections[dburi] = nil; - end -end -local function connect() - if not test_connection() then - prosody.unlock_globals(); - local dbh, err = DBI.Connect( - params.driver, params.database, - params.username, params.password, - params.host, params.port - ); - prosody.lock_globals(); - if not dbh then - module:log("debug", "Database connection failed: %s", tostring(err)); - return nil, err; - end - module:log("debug", "Successfully connected to database"); - dbh:autocommit(false); -- don't commit automatically - connection = dbh; - - connections[dburi] = dbh; - end - return connection; -end - -local function create_table() - if not module:get_option("sql_manage_tables", true) then - return; - end - local create_sql = "CREATE TABLE `prosody` (`host` TEXT, `user` TEXT, `store` TEXT, `key` TEXT, `type` TEXT, `value` TEXT);"; - if params.driver == "PostgreSQL" then - create_sql = create_sql:gsub("`", "\""); - elseif params.driver == "MySQL" then - create_sql = create_sql:gsub("`value` TEXT", "`value` MEDIUMTEXT"); - end - - local stmt, err = connection:prepare(create_sql); - if stmt then - local ok = stmt:execute(); - local commit_ok = connection:commit(); - if ok and commit_ok then - module:log("info", "Initialized new %s database with prosody table", params.driver); - local index_sql = "CREATE INDEX `prosody_index` ON `prosody` (`host`, `user`, `store`, `key`)"; - if params.driver == "PostgreSQL" then - index_sql = index_sql:gsub("`", "\""); - elseif params.driver == "MySQL" then - index_sql = index_sql:gsub("`([,)])", "`(20)%1"); - end - local stmt, err = connection:prepare(index_sql); - local ok, commit_ok, commit_err; - if stmt then - ok, err = stmt:execute(); - commit_ok, commit_err = connection:commit(); - end - if not(ok and commit_ok) then - module:log("warn", "Failed to create index (%s), lookups may not be optimised", err or commit_err); - end - elseif params.driver == "MySQL" then -- COMPAT: Upgrade tables from 0.8.0 - -- Failed to create, but check existing MySQL table here - local stmt = connection:prepare("SHOW COLUMNS FROM prosody WHERE Field='value' and Type='text'"); - local ok = stmt:execute(); - local commit_ok = connection:commit(); - if ok and commit_ok then - if stmt:rowcount() > 0 then - module:log("info", "Upgrading database schema..."); - local stmt = connection:prepare("ALTER TABLE prosody MODIFY COLUMN `value` MEDIUMTEXT"); - local ok, err = stmt:execute(); - local commit_ok = connection:commit(); - if ok and commit_ok then - module:log("info", "Database table automatically upgraded"); - else - module:log("error", "Failed to upgrade database schema (%s), please see " - .."https://prosody.im/doc/mysql for help", - err or "unknown error"); - end - end - repeat until not stmt:fetch(); - end - end - elseif params.driver ~= "SQLite3" then -- SQLite normally fails to prepare for existing table - module:log("warn", "Prosody was not able to automatically check/create the database table (%s), " - .."see https://prosody.im/doc/modules/mod_storage_sql#table_management for help.", - err or "unknown error"); - end -end - -do -- process options to get a db connection - local ok; - prosody.unlock_globals(); - ok, DBI = pcall(require, "DBI"); - if not ok then - package.loaded["DBI"] = {}; - module:log("error", "Failed to load the LuaDBI library for accessing SQL databases: %s", DBI); - module:log("error", "More information on installing LuaDBI can be found at https://prosody.im/doc/depends#luadbi"); - end - prosody.lock_globals(); - if not ok or not DBI.Connect then - return; -- Halt loading of this module - end - - params = params or { driver = "SQLite3" }; - - if params.driver == "SQLite3" then - params.database = resolve_relative_path(prosody.paths.data or ".", params.database or "prosody.sqlite"); - end - - assert(params.driver and params.database, "Both the SQL driver and the database need to be specified"); - - dburi = db2uri(params); - connection = connections[dburi]; - - assert(connect()); - - -- Automatically create table, ignore failure (table probably already exists) - create_table(); -end - -local function serialize(value) - local t = type(value); - if t == "string" or t == "boolean" or t == "number" then - return t, tostring(value); - elseif t == "table" then - local value,err = json.encode(value); - if value then return "json", value; end - return nil, err; - end - return nil, "Unhandled value type: "..t; -end -local function deserialize(t, value) - if t == "string" then return value; - elseif t == "boolean" then - if value == "true" then return true; - elseif value == "false" then return false; end - elseif t == "number" then return tonumber(value); - elseif t == "json" then - return json.decode(value); - end -end - -local function dosql(sql, ...) - if params.driver == "PostgreSQL" then - sql = sql:gsub("`", "\""); - end - -- do prepared statement stuff - local stmt, err = connection:prepare(sql); - if not stmt and not test_connection() then error("connection failed"); end - if not stmt then module:log("error", "QUERY FAILED: %s %s", err, debug.traceback()); return nil, err; end - -- run query - local ok, err = stmt:execute(...); - if not ok and not test_connection() then error("connection failed"); end - if not ok then return nil, err; end - - return stmt; -end -local function getsql(sql, ...) - return dosql(sql, host or "", user or "", store or "", ...); -end -local function setsql(sql, ...) - local stmt, err = getsql(sql, ...); - if not stmt then return stmt, err; end - return stmt:affected(); -end -local function transact(...) - -- ... -end -local function rollback(...) - if connection then connection:rollback(); end -- FIXME check for rollback error? - return ...; -end -local function commit(...) - local success,err = connection:commit(); - if not success then return nil, "SQL commit failed: "..tostring(err); end - return ...; -end - -local function keyval_store_get() - local stmt, err = getsql("SELECT * FROM `prosody` WHERE `host`=? AND `user`=? AND `store`=?"); - if not stmt then return rollback(nil, err); end - - local haveany; - local result = {}; - for row in stmt:rows(true) do - haveany = true; - local k = row.key; - local v = deserialize(row.type, row.value); - if k and v then - if k ~= "" then result[k] = v; elseif type(v) == "table" then - for a,b in pairs(v) do - result[a] = b; - end - end - end - end - return commit(haveany and result or nil); -end -local function keyval_store_set(data) - local affected, err = setsql("DELETE FROM `prosody` WHERE `host`=? AND `user`=? AND `store`=?"); - if not affected then return rollback(affected, err); end - - if data and next(data) ~= nil then - local extradata = {}; - for key, value in pairs(data) do - if type(key) == "string" and key ~= "" then - local t, value = serialize(value); - if not t then return rollback(t, value); end - local ok, err = setsql("INSERT INTO `prosody` (`host`,`user`,`store`,`key`,`type`,`value`) VALUES (?,?,?,?,?,?)", key, t, value); - if not ok then return rollback(ok, err); end - else - extradata[key] = value; - end - end - if next(extradata) ~= nil then - local t, extradata = serialize(extradata); - if not t then return rollback(t, extradata); end - local ok, err = setsql("INSERT INTO `prosody` (`host`,`user`,`store`,`key`,`type`,`value`) VALUES (?,?,?,?,?,?)", "", t, extradata); - if not ok then return rollback(ok, err); end - end - end - return commit(true); -end - -local keyval_store = {}; -keyval_store.__index = keyval_store; -function keyval_store:get(username) - user,store = username,self.store; - if not connection and not connect() then return nil, "Unable to connect to database"; end - local success, ret, err = xpcall(keyval_store_get, debug.traceback); - if not connection and connect() then - success, ret, err = xpcall(keyval_store_get, debug.traceback); - end - if success then return ret, err; else return rollback(nil, ret); end -end -function keyval_store:set(username, data) - user,store = username,self.store; - if not connection and not connect() then return nil, "Unable to connect to database"; end - local success, ret, err = xpcall(function() return keyval_store_set(data); end, debug.traceback); - if not connection and connect() then - success, ret, err = xpcall(function() return keyval_store_set(data); end, debug.traceback); - end - if success then return ret, err; else return rollback(nil, ret); end -end -function keyval_store:users() - local stmt, err = dosql("SELECT DISTINCT `user` FROM `prosody` WHERE `host`=? AND `store`=?", host, self.store); - if not stmt then - return rollback(nil, err); - end - local next = stmt:rows(); - return commit(function() - local row = next(); - return row and row[1]; - end); -end - -local function map_store_get(key) - local stmt, err = getsql("SELECT * FROM `prosody` WHERE `host`=? AND `user`=? AND `store`=? AND `key`=?", key or ""); - if not stmt then return rollback(nil, err); end - - local haveany; - local result = {}; - for row in stmt:rows(true) do - haveany = true; - local k = row.key; - local v = deserialize(row.type, row.value); - if k and v then - if k ~= "" then result[k] = v; elseif type(v) == "table" then - for a,b in pairs(v) do - result[a] = b; - end - end - end - end - return commit(haveany and result[key] or nil); -end -local function map_store_set(key, data) - local affected, err = setsql("DELETE FROM `prosody` WHERE `host`=? AND `user`=? AND `store`=? AND `key`=?", key or ""); - if not affected then return rollback(affected, err); end - - if data and next(data) ~= nil then - if type(key) == "string" and key ~= "" then - local t, value = serialize(data); - if not t then return rollback(t, value); end - local ok, err = setsql("INSERT INTO `prosody` (`host`,`user`,`store`,`key`,`type`,`value`) VALUES (?,?,?,?,?,?)", key, t, value); - if not ok then return rollback(ok, err); end - else - -- TODO non-string keys - end - end - return commit(true); -end - -local map_store = {}; -map_store.__index = map_store; -function map_store:get(username, key) - user,store = username,self.store; - local success, ret, err = xpcall(function() return map_store_get(key); end, debug.traceback); - if success then return ret, err; else return rollback(nil, ret); end -end -function map_store:set(username, key, data) - user,store = username,self.store; - local success, ret, err = xpcall(function() return map_store_set(key, data); end, debug.traceback); - if success then return ret, err; else return rollback(nil, ret); end -end - -local list_store = {}; -list_store.__index = list_store; -function list_store:scan(username, from, to, jid, typ) - user,store = username,self.store; - - local cols = {"from", "to", "jid", "typ"}; - local vals = { from , to , jid , typ }; - local stmt, err; - local query = "SELECT * FROM `prosodyarchive` WHERE `host`=? AND `user`=? AND `store`=?"; - - query = query.." ORDER BY time"; - --local stmt, err = getsql("SELECT * FROM `prosody` WHERE `host`=? AND `user`=? AND `store`=? AND `key`=?", key or ""); - - return nil, "not-implemented" -end - -local driver = {}; - -function driver:open(store, typ) - if typ and typ ~= "keyval" then - return nil, "unsupported-store"; - end - return setmetatable({ store = store }, keyval_store); -end - -function driver:stores(username) - local sql = "SELECT DISTINCT `store` FROM `prosody` WHERE `host`=? AND `user`" .. - (username == true and "!=?" or "=?"); - if username == true or not username then - username = ""; - end - local stmt, err = dosql(sql, host, username); - if not stmt then - return rollback(nil, err); - end - local next = stmt:rows(); - return commit(function() - local row = next(); - return row and row[1]; - end); -end - -function driver:purge(username) - local stmt, err = dosql("DELETE FROM `prosody` WHERE `host`=? AND `user`=?", host, username); - if not stmt then return rollback(stmt, err); end - local changed, err = stmt:affected(); - if not changed then return rollback(changed, err); end - return commit(true, changed); -end - -module:provides("storage", driver); |