mirror of
https://github.com/tgdrive/teldrive.git
synced 2025-01-25 08:32:23 +08:00
112 lines
3.3 KiB
Go
112 lines
3.3 KiB
Go
package tgc
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import (
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"context"
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"time"
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"github.com/cenkalti/backoff/v4"
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"github.com/divyam234/teldrive/config"
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"github.com/divyam234/teldrive/internal/kv"
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"github.com/divyam234/teldrive/internal/recovery"
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"github.com/divyam234/teldrive/internal/retry"
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"github.com/divyam234/teldrive/pkg/database"
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"github.com/gotd/contrib/middleware/floodwait"
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"github.com/gotd/contrib/middleware/ratelimit"
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tdclock "github.com/gotd/td/clock"
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"github.com/gotd/td/session"
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"github.com/gotd/td/telegram"
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"golang.org/x/time/rate"
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)
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func deviceConfig() telegram.DeviceConfig {
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appConfig := config.GetConfig()
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config := telegram.DeviceConfig{
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DeviceModel: appConfig.TgClientDeviceModel,
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SystemVersion: appConfig.TgClientSystemVersion,
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AppVersion: appConfig.TgClientAppVersion,
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SystemLangCode: appConfig.TgClientSystemLangCode,
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LangPack: appConfig.TgClientLangPack,
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LangCode: appConfig.TgClientLangCode,
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}
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return config
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}
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func NewDefaultMiddlewares(ctx context.Context) ([]telegram.Middleware, error) {
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return []telegram.Middleware{
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recovery.New(ctx, Backoff(tdclock.System)),
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retry.New(5),
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floodwait.NewSimpleWaiter(),
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}, nil
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}
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func New(ctx context.Context, handler telegram.UpdateHandler, storage session.Storage, middlewares ...telegram.Middleware) *telegram.Client {
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_clock := tdclock.System
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noUpdates := true
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if handler != nil {
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noUpdates = false
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}
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opts := telegram.Options{
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ReconnectionBackoff: func() backoff.BackOff {
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return Backoff(_clock)
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},
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Device: deviceConfig(),
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SessionStorage: storage,
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RetryInterval: time.Second,
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MaxRetries: 10,
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DialTimeout: 10 * time.Second,
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Middlewares: middlewares,
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Clock: _clock,
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NoUpdates: noUpdates,
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UpdateHandler: handler,
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}
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return telegram.NewClient(config.GetConfig().AppId, config.GetConfig().AppHash, opts)
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}
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func NoLogin(ctx context.Context, handler telegram.UpdateHandler, storage session.Storage) *telegram.Client {
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middlewares, _ := NewDefaultMiddlewares(ctx)
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middlewares = append(middlewares, ratelimit.New(rate.Every(time.Millisecond*100), 5))
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return New(ctx, handler, storage, middlewares...)
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}
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func UserLogin(ctx context.Context, sessionStr string) (*telegram.Client, error) {
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data, err := session.TelethonSession(sessionStr)
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if err != nil {
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return nil, err
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}
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var (
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storage = new(session.StorageMemory)
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loader = session.Loader{Storage: storage}
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)
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if err := loader.Save(context.TODO(), data); err != nil {
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return nil, err
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}
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middlewares, _ := NewDefaultMiddlewares(ctx)
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middlewares = append(middlewares, ratelimit.New(rate.Every(time.Millisecond*time.Duration(config.GetConfig().Rate)), config.GetConfig().RateBurst))
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return New(ctx, nil, storage, middlewares...), nil
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}
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func BotLogin(ctx context.Context, token string) (*telegram.Client, error) {
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storage := kv.NewSession(database.KV, kv.Key("botsession", token))
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middlewares, _ := NewDefaultMiddlewares(ctx)
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if config.GetConfig().RateLimit {
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middlewares = append(middlewares, ratelimit.New(rate.Every(time.Millisecond*time.Duration(config.GetConfig().Rate)), config.GetConfig().RateBurst))
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}
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return New(ctx, nil, storage, middlewares...), nil
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}
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func Backoff(_clock tdclock.Clock) backoff.BackOff {
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b := backoff.NewExponentialBackOff()
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b.Multiplier = 1.1
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b.MaxElapsedTime = time.Duration(120) * time.Second
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b.Clock = _clock
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return b
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}
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