/
db.go
205 lines (171 loc) · 4.56 KB
/
db.go
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package main
import (
"database/sql"
"log"
"time"
"github.com/jmoiron/sqlx"
_ "github.com/mattn/go-sqlite3"
)
const dbSchema = `
CREATE TABLE banned_names(
name TEXT PRIMARY KEY,
reason TEXT,
banned_by TEXT,
timestamp DATETIME
);
CREATE TABLE banned_ips(
ip TEXT PRIMARY KEY,
reason TEXT,
banned_by TEXT,
timestamp DATETIME
);
CREATE TABLE levels(
name TEXT PRIMARY KEY,
motd TEXT NOT NULL,
physics INTEGER NOT NULL
);
CREATE TABLE players(
name TEXT PRIMARY KEY,
rank TEXT,
first_login DATETIME,
last_login DATETIME,
nickname TEXT NOT NULL,
ignore_list TEXT NOT NULL,
mute INTEGER NOT NULL
);
CREATE TABLE ranks(
name TEXT PRIMARY KEY,
tag TEXT,
permissions INTEGER NOT NULL
);
CREATE TABLE command_rules(
command TEXT NOT NULL,
rank TEXT NOT NULL,
access INTEGER NOT NULL,
PRIMARY KEY (command, rank)
);
CREATE TABLE block_rules(
block_id INTEGER NOT NULL,
action INTEGER NOT NULL,
rank TEXT NOT NULL,
access INTEGER NOT NULL,
PRIMARY KEY (block_id, action, rank)
);
CREATE TABLE config(
cfg_key TEXT PRIMARY KEY,
cfg_value TEXT NOT NULL
);
INSERT INTO ranks(name, permissions)
VALUES("op", 0xffffffff);
INSERT INTO config(cfg_key, cfg_value)
VALUES("default_rank", "");
`
type dbLevel struct {
MOTD string `db:"motd"`
Physics bool `db:"physics"`
}
type dbPlayer struct {
Rank sql.NullString `db:"rank"`
FirstLogin time.Time `db:"first_login"`
LastLogin time.Time `db:"last_login"`
Nickname string `db:"nickname"`
IgnoreList string `db:"ignore_list"`
Mute bool `db:"mute"`
}
type dbRank struct {
Name string `db:"name"`
Tag sql.NullString `db:"tag"`
Permissions uint32 `db:"permissions"`
}
type dbCommandRule struct {
Command string `db:"command"`
Rank string `db:"rank"`
Access bool `db:"access"`
}
type dbBlockRule struct {
BlockID int `db:"block_id"`
Action int `db:"action"`
Rank string `db:"rank"`
Access bool `db:"access"`
}
type db struct {
*sqlx.DB
}
func newDb(path string) *db {
pdb, err := sqlx.Connect("sqlite3", path)
if err != nil {
log.Println(err)
return nil
}
var version int
pdb.Get(&version, "PRAGMA schema_version")
if version == 0 {
pdb.MustExec(dbSchema)
}
return &db{DB: pdb}
}
func (db *db) ban(name, reason, banned_by string) {
db.MustExec(`
REPLACE INTO banned_names(name, reason, banned_by, timestamp)
VALUES(?, ?, ?, CURRENT_TIMESTAMP)`, name, reason, banned_by)
}
func (db *db) banIP(ip, reason, banned_by string) {
db.MustExec(`
REPLACE INTO banned_ips(ip, reason, banned_by, timestamp)
VALUES(?, ?, ?, CURRENT_TIMESTAMP)`, ip, reason, banned_by)
}
func (db *db) unban(name string) bool {
r := db.MustExec("DELETE FROM banned_names WHERE name = ?", name)
rows, _ := r.RowsAffected()
return rows > 0
}
func (db *db) unbanIP(ip string) bool {
r := db.MustExec("DELETE FROM banned_ips WHERE ip = ?", ip)
rows, _ := r.RowsAffected()
return rows > 0
}
func (db *db) checkBan(addr, name string) (bool, string) {
var reason sql.NullString
err := db.Get(&reason, `
SELECT reason FROM banned_ips WHERE ip = ? UNION
SELECT reason FROM banned_names WHERE name = ?`, addr, name)
return err != sql.ErrNoRows, reason.String
}
func (db *db) queryPlayer(name string) (player dbPlayer, ok bool) {
ok = db.Get(&player, `
SELECT rank, first_login, last_login, nickname,
ignore_list, mute FROM players WHERE name = ?`, name) != sql.ErrNoRows
return
}
func (db *db) updatePlayer(name string, player *dbPlayer) {
db.MustExec(`
REPLACE INTO players(name, rank, first_login, last_login,
nickname, ignore_list, mute) VALUES(?, ?, ?, ?, ?, ?, ?)`,
name, player.Rank, player.FirstLogin, player.LastLogin,
player.Nickname, player.IgnoreList, player.Mute)
}
func (db *db) queryLevel(name string) (level dbLevel, ok bool) {
ok = db.Get(&level, `
SELECT motd, physics FROM levels WHERE name = ?`, name) != sql.ErrNoRows
return
}
func (db *db) updateLevel(name string, level *dbLevel) {
db.MustExec("REPLACE INTO levels(name, motd, physics) VALUES(?, ?, ?)",
name, level.MOTD, level.Physics)
}
func (db *db) queryRanks() (ranks []dbRank) {
db.Select(&ranks, "SELECT name, tag, permissions FROM ranks")
return
}
func (db *db) queryCommandRules() (rules []dbCommandRule) {
db.Select(&rules, "SELECT command, rank, access FROM command_rules")
return
}
func (db *db) queryBlockRules() (rules []dbBlockRule) {
db.Select(&rules, "SELECT block_id, action, rank, access FROM block_rules")
return
}
func (db *db) queryConfig(key string) (value string) {
db.Get(&value, "SELECT cfg_value FROM config WHERE cfg_key = ?", key)
return
}