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package main
import (
"context"
"flag"
"fmt"
"encoding/base64"
"net/http"
"github.com/golang/glog"
"github.com/system-transparency/stfe/client"
"github.com/system-transparency/stfe/descriptor"
)
var (
operators = flag.String("operators", "../../descriptor/stfe.json", "path to json-encoded list of log operators")
logId = flag.String("log_id", "AAEgFKl1V+J3ib3Aav86UgGD7GRRtcKIdDhgc0G4vVD/TGc=", "base64-encoded log identifier")
)
func main() {
flag.Parse()
client, err := client.NewClient(mustLoad(*operators, *logId), &http.Client{}, true, nil)
if err != nil {
glog.Fatal(err)
}
sth, err := client.GetSth(context.Background())
if err != nil {
glog.Fatalf("get-sth failed: %v", err)
}
str, err := sth.MarshalB64()
if err != nil {
glog.Fatalf("failed encoding valid signed tree head: %v", err)
}
fmt.Println(str)
glog.Flush()
}
func mustLoad(operators, logId string) *descriptor.Log {
ops, err := descriptor.LoadOperators(operators)
if err != nil {
glog.Fatalf("failed loading log operators: %v")
}
id, err := base64.StdEncoding.DecodeString(logId)
if err != nil {
glog.Fatalf("invalid base64 log id: %v", err)
}
log, err := descriptor.FindLog(ops, id)
if err != nil {
glog.Fatalf("unknown log id: %v", err)
}
return log
}
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