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feat: add proxy support and auth for telegram.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| package telegram | ||
|
|
||
| import ( | ||
| "context" | ||
| "os" | ||
| "path/filepath" | ||
| "strconv" | ||
| "time" | ||
|
|
||
| "github.com/gotd/contrib/middleware/floodwait" | ||
| "github.com/gotd/contrib/middleware/ratelimit" | ||
| "github.com/gotd/td/session" | ||
| "github.com/gotd/td/telegram" | ||
| "github.com/gotd/td/telegram/dcs" | ||
| "golang.org/x/time/rate" | ||
|
|
||
| "github.com/bookstairs/bookhunter/internal/fetcher" | ||
| ) | ||
|
|
||
| type Telegram struct { | ||
| channelID string | ||
| mobile string | ||
| appID int64 | ||
| appHash string | ||
| client *telegram.Client | ||
| } | ||
|
|
||
| // New will create a telegram client. | ||
| func New(config *fetcher.Config) (*Telegram, error) { | ||
| // Create the session file. | ||
| path, err := config.ConfigPath() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| sessionPath := filepath.Join(path, "session.json") | ||
| if refresh, _ := strconv.ParseBool(config.Property("reLogin")); refresh { | ||
| _ = os.Remove(sessionPath) | ||
| } | ||
|
|
||
| channelID := config.Property("channelID") | ||
| mobile := config.Property("mobile") | ||
| appID, _ := strconv.ParseInt(config.Property("appID"), 10, 64) | ||
| appHash := config.Property("appHash") | ||
|
|
||
| // Create the http proxy dial. | ||
| dialFunc, err := createProxy(config.Proxy) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| // Create the backend telegram client. | ||
| client := telegram.NewClient( | ||
| int(appID), | ||
| appHash, | ||
| telegram.Options{ | ||
| Resolver: dcs.Plain(dcs.PlainOptions{Dial: dialFunc}), | ||
| SessionStorage: &session.FileStorage{Path: sessionPath}, | ||
| Middlewares: []telegram.Middleware{ | ||
| floodwait.NewSimpleWaiter().WithMaxRetries(uint(3)), | ||
| ratelimit.New(rate.Every(100*time.Millisecond), 5), | ||
| }, | ||
| }, | ||
| ) | ||
|
|
||
| t := &Telegram{ | ||
| channelID: channelID, | ||
| mobile: mobile, | ||
| appID: appID, | ||
| appHash: appHash, | ||
| client: client, | ||
| } | ||
|
|
||
| // Try to sign in with the mobile. | ||
| if err := t.login(); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return t, nil | ||
| } | ||
|
|
||
| // Every telegram execution should be wrapped in a client Run session. | ||
| // We have to expose this method for internal usage. | ||
| func (t *Telegram) execute(f func(context.Context, *telegram.Client) error) error { | ||
| return t.client.Run(context.Background(), func(ctx context.Context) error { | ||
| if err := t.authentication(ctx); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return f(ctx, t.client) | ||
| }) | ||
| } |
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