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package xrpc
import (
"context"
"errors"
"net/url"
"strconv"
"strings"
"time"
)
const ServiceAuthNSID = "com.atproto.server.getServiceAuth"
var ErrNoServiceAuthToken = errors.New("xrpc: getServiceAuth returned no token")
type Minter interface {
ServiceAuth(ctx context.Context, aud, lxm string) (string, error)
}
type MinterFunc func(ctx context.Context, aud, lxm string) (string, error)
func (f MinterFunc) ServiceAuth(ctx context.Context, aud, lxm string) (string, error) {
return f(ctx, aud, lxm)
}
func GetServiceAuth(ctx context.Context, c *Client, aud, lxm string, exp time.Time) (string, error) {
if aud == "" {
return "", errors.New("xrpc: getServiceAuth needs an audience")
}
params := url.Values{"aud": {aud}}
if lxm != "" {
params.Set("lxm", lxm)
}
if !exp.IsZero() {
params.Set("exp", strconv.FormatInt(exp.Unix(), 10))
}
out, err := Query[struct {
Token string `json:"token"`
}](ctx, c, ServiceAuthNSID, params)
if err != nil {
return "", err
}
token := strings.TrimSpace(out.Token)
if token == "" {
return "", ErrNoServiceAuthToken
}
return token, nil
}
type PDSMinter struct {
Client *Client
}
func (m PDSMinter) ServiceAuth(ctx context.Context, aud, lxm string) (string, error) {
return GetServiceAuth(ctx, m.Client, aud, lxm, time.Time{})
}
