allow http2 connections to proxy

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

.woodpecker.star

@@ -1231,7 +1231,7 @@ def wopiValidatorTests(ctx, storage, wopiServerType, accounts_hash_difficulty =
                          "commands": [
                              "curl -v -X PUT '%s/remote.php/webdav/test.wopitest' -k --fail --retry-connrefused --retry 7 --retry-all-errors -u admin:admin -D headers.txt" % OC_URL,
                              "cat headers.txt",
-                             "export FILE_ID=$(cat headers.txt | sed -n -e 's/^.*Oc-Fileid: //p')",
+                             "export FILE_ID=$(cat headers.txt | sed -n -e 's/^.*oc-fileid: //Ip')",
                              "export URL=\"%s/app/open?app_name=FakeOffice&file_id=$FILE_ID\"" % OC_URL,
                              "export URL=$(echo $URL | tr -d '[:cntrl:]')",
                              "curl -v -X POST \"$URL\" -k --fail --retry-connrefused --retry 7 --retry-all-errors -u admin:admin > open.json",

pkg/service/http/service.go

@@ -49,6 +49,8 @@ func NewService(opts ...Option) (Service, error) {
 		}
 		tlsConfig := &tls.Config{
 			Certificates: []tls.Certificate{cert},
+			MinVersion:   tls.VersionTLS12,
+			NextProtos:   []string{"h2", "http/1.1"},
 		}
 		mServer = mhttps.NewServer(server.TLSConfig(tlsConfig))
 	} else {