gotosocial/internal/transport/transport.go

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package transport
import (
"context"
"crypto"
"net/url"
"sync"
"github.com/go-fed/activity/pub"
"github.com/go-fed/httpsig"
"github.com/sirupsen/logrus"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
// Transport wraps the pub.Transport interface with some additional
// functionality for fetching remote media.
type Transport interface {
pub.Transport
// DereferenceMedia fetches the bytes of the given media attachment IRI, with the expectedContentType.
DereferenceMedia(c context.Context, iri *url.URL, expectedContentType string) ([]byte, error)
// DereferenceInstance dereferences remote instance information, first by checking /api/v1/instance, and then by checking /.well-known/nodeinfo.
DereferenceInstance(c context.Context, iri *url.URL) (*gtsmodel.Instance, error)
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// Finger performs a webfinger request with the given username and domain, and returns the bytes from the response body.
Finger(c context.Context, targetUsername string, targetDomains string) ([]byte, error)
}
// transport implements the Transport interface
type transport struct {
client pub.HttpClient
appAgent string
gofedAgent string
clock pub.Clock
pubKeyID string
privkey crypto.PrivateKey
sigTransport *pub.HttpSigTransport
getSigner httpsig.Signer
getSignerMu *sync.Mutex
log *logrus.Logger
}