Change Gitea user agent from the default to Gitea/Version

modules/activitypub/client.go

@@ -104,6 +104,7 @@ func (c *Client) NewRequest(b []byte, to string) (req *http.Request, err error)
 	}
 	req.Header.Add("Content-Type", ActivityStreamsContentType)
 	req.Header.Add("Date", CurrentTime())
+	req.Header.Add("User-Agent", "Gitea/"+setting.AppVer)
 	signer, _, err := httpsig.NewSigner(c.algs, c.digestAlg, c.postHeaders, httpsig.Signature, httpsigExpirationTime)
 	if err != nil {
 		return

routers/api/v1/activitypub/reqsignature.go

@@ -47,6 +47,7 @@ func getPublicKeyFromResponse(b []byte, keyID *url.URL) (p crypto.PublicKey, err
 func fetch(iri *url.URL) (b []byte, err error) {
 	req := httplib.NewRequest(iri.String(), http.MethodGet)
 	req.Header("Accept", activitypub.ActivityStreamsContentType)
+	req.Header("User-Agent", "Gitea/"+setting.AppVer)
 	resp, err := req.Response()
 	if err != nil {
 		return