Add /_matrix/media/version for identifying the version of the repo

api/custom/version.go

+package custom
+
+import (
+	"net/http"
+
+	"github.com/turt2live/matrix-media-repo/api"
+	"github.com/turt2live/matrix-media-repo/common/rcontext"
+	"github.com/turt2live/matrix-media-repo/common/version"
+)
+
+func GetVersion(r *http.Request, rctx rcontext.RequestContext, user api.UserInfo) interface{} {
+	return &api.DoNotCacheResponse{
+		Payload: map[string]string{
+			"Version":   version.Version,
+			"GitCommit": version.GitCommit,
+		},
+	}
+}

api/webserver/webserver.go

@@ -71,10 +71,14 @@ func Init() *sync.WaitGroup {
 	startImportHandler := handler{api.RepoAdminRoute(custom.StartImport), "start_import", counter, false}
 	appendToImportHandler := handler{api.RepoAdminRoute(custom.AppendToImport), "append_to_import", counter, false}
 	stopImportHandler := handler{api.RepoAdminRoute(custom.StopImport), "stop_import", counter, false}
+	versionHandler := handler{api.AccessTokenOptionalRoute(custom.GetVersion), "get_version", counter, false}
 
 	routes := make(map[string]route)
 	versions := []string{"r0", "v1", "unstable"} // r0 is typically clients and v1 is typically servers. v1 is deprecated.
 
+	// Things that don't need a version
+	routes["/_matrix/media/version"] = route{"GET", versionHandler}
+
 	for _, version := range versions {
 		// Standard routes we have to handle
 		routes["/_matrix/media/"+version+"/upload"] = route{"POST", uploadHandler}