//go:build ignore // A simple auth proxy for testing purposespackage main import (	"encoding/json"	"log"	"os") func main() {	// Read the input	var in map[string]string	err := json.NewDecoder(os.Stdin).Decode(&in)	if err != nil {		log.Fatal(err)	} 	// Write the output	var out = map[string]string{}	for k, v := range in {		switch k {		case "user":			v += "-test"		case "error":			log.Fatal(v)		}		out[k] = v	}	if out["type"] == "" {		out["type"] = "local"	}	if out["_root"] == "" {		out["_root"] = ""	}	// S3 access key auth has neither pass nor public_key and needs	// the secret returned, unless the user asks for it to be omitted	// or empty. The secret's suffix can be changed to simulate a	// rotation and an access key ID can be revoked.	_, havePass := in["pass"]	_, havePublicKey := in["public_key"]	switch {	case havePass || havePublicKey || in["user"] == "nosecret":	case in["user"] == os.Getenv("RCLONE_TEST_PROXY_REVOKED"):		log.Fatalf("access key ID %q revoked", in["user"])	case in["user"] == "emptysecret":		out["_secret_access_key"] = ""	default:		suffix := os.Getenv("RCLONE_TEST_PROXY_SECRET_SUFFIX")		if suffix == "" {			suffix = "-secret"		}		out["_secret_access_key"] = in["user"] + suffix	}	json.NewEncoder(os.Stdout).Encode(&out)	if err != nil {		log.Fatal(err)	}}