func NewWikiEngine(state pinterface.IUserState) *WikiEngine {
pool := state.Pool()
wikiState := new(WikiState)
wikiState.pages = simpleredis.NewHashMap(pool, "pages")
wikiState.pages.SelectDatabase(state.DatabaseIndex())
wikiState.pool = pool
return &WikiEngine{state, wikiState}
}
func NewTimeTableEngine(state pinterface.IUserState) *TimeTableEngine {
pool := state.Pool()
timeTableState := new(TimeTableState)
timeTableState.plans = simpleredis.NewHashMap(pool, "plans")
timeTableState.plans.SelectDatabase(state.DatabaseIndex())
timeTableState.pool = pool
return &TimeTableEngine{state, timeTableState}
}
// Create a new *UserState that can be used for managing users.
// dbindex is the Redis database index (0 is a good default value).
// If randomseed is true, the random number generator will be seeded after generating the cookie secret (true is a good default value).
// redisHostPort is host:port for the desired Redis server (can be blank for localhost)
// Also creates a new ConnectionPool.
func NewUserState(dbindex int, randomseed bool, redisHostPort string) *UserState {
var pool *simpleredis.ConnectionPool
// Connnect to the default redis server if redisHostPort is empty
if redisHostPort == "" {
redisHostPort = defaultRedisServer
}
// Test connection
if err := simpleredis.TestConnectionHost(redisHostPort); err != nil {
log.Fatalln(err.Error())
}
// Aquire connection pool
pool = simpleredis.NewConnectionPoolHost(redisHostPort)
state := new(UserState)
state.users = simpleredis.NewHashMap(pool, "users")
state.users.SelectDatabase(dbindex)
state.usernames = simpleredis.NewSet(pool, "usernames")
state.usernames.SelectDatabase(dbindex)
state.unconfirmed = simpleredis.NewSet(pool, "unconfirmed")
state.unconfirmed.SelectDatabase(dbindex)
state.pool = pool
state.dbindex = dbindex
// For the secure cookies
// This must happen before the random seeding, or
// else people will have to log in again after every server restart
state.cookieSecret = cookie.RandomCookieFriendlyString(30)
// Seed the random number generator
if randomseed {
rand.Seed(time.Now().UnixNano())
}
// Cookies lasts for 24 hours by default. Specified in seconds.
state.cookieTime = cookie.DefaultCookieTime
// Default password hashing algorithm is "bcrypt+", which is the same as
// "bcrypt", but with backwards compatibility for checking sha256 hashes.
state.passwordAlgorithm = "bcrypt+" // "bcrypt+", "bcrypt" or "sha256"
if pool.Ping() != nil {
defer pool.Close()
log.Fatalf("Error, wrong hostname, port or password. (%s does not reply to PING)\n", redisHostPort)
}
return state
}
