1 files changed, 4 insertions, 91 deletions
diff --git a/internal/transport/transport.go b/internal/transport/transport.go
index 8df74f575..04c72de5c 100644
--- a/internal/transport/transport.go
+++ b/internal/transport/transport.go
@@ -3,22 +3,23 @@ package transport
 import (
 	"context"
 	"crypto"
-	"fmt"
-	"io/ioutil"
-	"net/http"
 	"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)
 	// 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)
 }
@@ -36,91 +37,3 @@ type transport struct {
 	getSignerMu  *sync.Mutex
 	log          *logrus.Logger
 }
-
-func (t *transport) BatchDeliver(c context.Context, b []byte, recipients []*url.URL) error {
-	return t.sigTransport.BatchDeliver(c, b, recipients)
-}
-
-func (t *transport) Deliver(c context.Context, b []byte, to *url.URL) error {
-	l := t.log.WithField("func", "Deliver")
-	l.Debugf("performing POST to %s", to.String())
-	return t.sigTransport.Deliver(c, b, to)
-}
-
-func (t *transport) Dereference(c context.Context, iri *url.URL) ([]byte, error) {
-	l := t.log.WithField("func", "Dereference")
-	l.Debugf("performing GET to %s", iri.String())
-	return t.sigTransport.Dereference(c, iri)
-}
-
-func (t *transport) DereferenceMedia(c context.Context, iri *url.URL, expectedContentType string) ([]byte, error) {
-	l := t.log.WithField("func", "DereferenceMedia")
-	l.Debugf("performing GET to %s", iri.String())
-	req, err := http.NewRequest("GET", iri.String(), nil)
-	if err != nil {
-		return nil, err
-	}
-	req = req.WithContext(c)
-	if expectedContentType == "" {
-		req.Header.Add("Accept", "*/*")
-	} else {
-		req.Header.Add("Accept", expectedContentType)
-	}
-	req.Header.Add("Date", t.clock.Now().UTC().Format("Mon, 02 Jan 2006 15:04:05")+" GMT")
-	req.Header.Add("User-Agent", fmt.Sprintf("%s %s", t.appAgent, t.gofedAgent))
-	req.Header.Set("Host", iri.Host)
-	t.getSignerMu.Lock()
-	err = t.getSigner.SignRequest(t.privkey, t.pubKeyID, req, nil)
-	t.getSignerMu.Unlock()
-	if err != nil {
-		return nil, err
-	}
-	resp, err := t.client.Do(req)
-	if err != nil {
-		return nil, err
-	}
-	defer resp.Body.Close()
-	if resp.StatusCode != http.StatusOK {
-		return nil, fmt.Errorf("GET request to %s failed (%d): %s", iri.String(), resp.StatusCode, resp.Status)
-	}
-	return ioutil.ReadAll(resp.Body)
-}
-
-func (t *transport) Finger(c context.Context, targetUsername string, targetDomain string) ([]byte, error) {
-	l := t.log.WithField("func", "Finger")
-	urlString := fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s@%s", targetDomain, targetUsername, targetDomain)
-	l.Debugf("performing GET to %s", urlString)
-
-	iri, err := url.Parse(urlString)
-	if err != nil {
-		return nil, fmt.Errorf("Finger: error parsing url %s: %s", urlString, err)
-	}
-
-	l.Debugf("performing GET to %s", iri.String())
-
-	req, err := http.NewRequest("GET", iri.String(), nil)
-	if err != nil {
-		return nil, err
-	}
-	req = req.WithContext(c)
-	req.Header.Add("Accept", "application/json")
-	req.Header.Add("Accept", "application/jrd+json")
-	req.Header.Add("Date", t.clock.Now().UTC().Format("Mon, 02 Jan 2006 15:04:05")+" GMT")
-	req.Header.Add("User-Agent", fmt.Sprintf("%s %s", t.appAgent, t.gofedAgent))
-	req.Header.Set("Host", iri.Host)
-	t.getSignerMu.Lock()
-	err = t.getSigner.SignRequest(t.privkey, t.pubKeyID, req, nil)
-	t.getSignerMu.Unlock()
-	if err != nil {
-		return nil, err
-	}
-	resp, err := t.client.Do(req)
-	if err != nil {
-		return nil, err
-	}
-	defer resp.Body.Close()
-	if resp.StatusCode != http.StatusOK {
-		return nil, fmt.Errorf("GET request to %s failed (%d): %s", iri.String(), resp.StatusCode, resp.Status)
-	}
-	return ioutil.ReadAll(resp.Body)
-}