4 files changed, 12 insertions, 6 deletions
diff --git a/internal/transport/deliver.go b/internal/transport/deliver.go
index 0405116ad..16ebbd4b6 100644
--- a/internal/transport/deliver.go
+++ b/internal/transport/deliver.go
@@ -27,6 +27,7 @@ import (
 	"strings"
 	"sync"
 
+	"github.com/superseriousbusiness/gotosocial/internal/api"
 	"github.com/superseriousbusiness/gotosocial/internal/config"
 )
 
@@ -79,7 +80,7 @@ func (t *transport) Deliver(ctx context.Context, b []byte, to *url.URL) error {
 		return err
 	}
 
-	req.Header.Add("Content-Type", "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"")
+	req.Header.Add("Content-Type", string(api.AppActivityLDJSON))
 	req.Header.Add("Accept-Charset", "utf-8")
 	req.Header.Add("User-Agent", t.controller.userAgent)
 	req.Header.Set("Host", to.Host)
diff --git a/internal/transport/dereference.go b/internal/transport/dereference.go
index ba48488d7..cb1220d13 100644
--- a/internal/transport/dereference.go
+++ b/internal/transport/dereference.go
@@ -25,6 +25,7 @@ import (
 	"net/http"
 	"net/url"
 
+	"github.com/superseriousbusiness/gotosocial/internal/api"
 	"github.com/superseriousbusiness/gotosocial/internal/config"
 	"github.com/superseriousbusiness/gotosocial/internal/uris"
 )
@@ -52,7 +53,8 @@ func (t *transport) Dereference(ctx context.Context, iri *url.URL) ([]byte, erro
 	if err != nil {
 		return nil, err
 	}
-	req.Header.Add("Accept", "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\",application/activity+json")
+
+	req.Header.Add("Accept", string(api.AppActivityLDJSON)+","+string(api.AppActivityJSON))
 	req.Header.Add("Accept-Charset", "utf-8")
 	req.Header.Add("User-Agent", t.controller.userAgent)
 	req.Header.Set("Host", iri.Host)
diff --git a/internal/transport/derefinstance.go b/internal/transport/derefinstance.go
index 1acbcc364..b99d28a23 100644
--- a/internal/transport/derefinstance.go
+++ b/internal/transport/derefinstance.go
@@ -30,6 +30,7 @@ import (
 
 	"github.com/sirupsen/logrus"
 
+	"github.com/superseriousbusiness/gotosocial/internal/api"
 	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
 	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
 	"github.com/superseriousbusiness/gotosocial/internal/id"
@@ -94,7 +95,7 @@ func dereferenceByAPIV1Instance(ctx context.Context, t *transport, iri *url.URL)
 		return nil, err
 	}
 
-	req.Header.Add("Accept", "application/json")
+	req.Header.Add("Accept", string(api.AppJSON))
 	req.Header.Add("User-Agent", t.controller.userAgent)
 	req.Header.Set("Host", cleanIRI.Host)
 
@@ -245,7 +246,7 @@ func callNodeInfoWellKnown(ctx context.Context, t *transport, iri *url.URL) (*ur
 	if err != nil {
 		return nil, err
 	}
-	req.Header.Add("Accept", "application/json")
+	req.Header.Add("Accept", string(api.AppJSON))
 	req.Header.Add("User-Agent", t.controller.userAgent)
 	req.Header.Set("Host", cleanIRI.Host)
 
@@ -297,7 +298,7 @@ func callNodeInfo(ctx context.Context, t *transport, iri *url.URL) (*apimodel.No
 	if err != nil {
 		return nil, err
 	}
-	req.Header.Add("Accept", "application/json")
+	req.Header.Add("Accept", string(api.AppJSON))
 	req.Header.Add("User-Agent", t.controller.userAgent)
 	req.Header.Set("Host", iri.Host)
 
diff --git a/internal/transport/finger.go b/internal/transport/finger.go
index 7554a242f..2ea34ad81 100644
--- a/internal/transport/finger.go
+++ b/internal/transport/finger.go
@@ -23,6 +23,8 @@ import (
 	"fmt"
 	"io/ioutil"
 	"net/http"
+
+	"github.com/superseriousbusiness/gotosocial/internal/api"
 )
 
 func (t *transport) Finger(ctx context.Context, targetUsername string, targetDomain string) ([]byte, error) {
@@ -37,7 +39,7 @@ func (t *transport) Finger(ctx context.Context, targetUsername string, targetDom
 	if err != nil {
 		return nil, err
 	}
-	req.Header.Add("Accept", "application/json")
+	req.Header.Add("Accept", string(api.AppJSON))
 	req.Header.Add("Accept", "application/jrd+json")
 	req.Header.Add("User-Agent", t.controller.userAgent)
 	req.Header.Set("Host", req.URL.Host)