Merge branch 'design' into main

1 files changed, 0 insertions, 175 deletions

diff --git a/server/main.go b/server/main.go
deleted file mode 100644
index 74e4ad3..0000000
--- a/server/main.go
+++ /dev/null
@@ -1,175 +0,0 @@
-// Package main provides an STFE server binary
-package main
-
-import (
-	"context"
-	"flag"
-	"fmt"
-	"os"
-	"strings"
-	"sync"
-	"syscall"
-	"time"
-
-	"crypto/ed25519"
-	"encoding/base64"
-	"net/http"
-	"os/signal"
-
-	"github.com/golang/glog"
-	"github.com/google/trillian"
-	"github.com/prometheus/client_golang/prometheus/promhttp"
-	"github.com/system-transparency/stfe"
-	"github.com/system-transparency/stfe/types"
-	"google.golang.org/grpc"
-)
-
-var (
-	httpEndpoint    = flag.String("http_endpoint", "localhost:6965", "host:port specification of where stfe serves clients")
-	rpcBackend      = flag.String("log_rpc_server", "localhost:6962", "host:port specification of where Trillian serves clients")
-	prefix          = flag.String("prefix", "st/v1", "a prefix that proceeds each endpoint path")
-	trillianID      = flag.Int64("trillian_id", 0, "log identifier in the Trillian database")
-	deadline        = flag.Duration("deadline", time.Second*10, "deadline for backend requests")
-	key             = flag.String("key", "", "base64-encoded Ed25519 signing key")
-	submitterPolicy = flag.Bool("submitter_policy", false, "whether there is any submitter namespace policy (default: none, accept unregistered submitter namespaces)")
-	witnessPolicy   = flag.Bool("witness_policy", false, "whether there is any witness namespace policy (default: none, accept unregistered witness namespaces)")
-	submitters      = flag.String("submitters", "", "comma-separated list of trusted submitter namespaces in base64 (default: none)")
-	witnesses       = flag.String("witnesses", "", "comma-separated list of trusted submitter namespaces in base64 (default: none)")
-	maxRange        = flag.Int64("max_range", 10, "maximum number of entries that can be retrived in a single request")
-	interval        = flag.Duration("interval", time.Minute*10, "interval used to rotate the log's cosigned STH")
-)
-
-func main() {
-	flag.Parse()
-	defer glog.Flush()
-
-	// wait for clean-up before exit
-	var wg sync.WaitGroup
-	defer wg.Wait()
-	ctx, cancel := context.WithCancel(context.Background())
-	defer cancel()
-
-	glog.V(3).Infof("configuring stfe instance...")
-	instance, err := setupInstanceFromFlags()
-	if err != nil {
-		glog.Errorf("setupInstance: %v", err)
-		return
-	}
-
-	glog.V(3).Infof("spawning SthSource")
-	go func() {
-		wg.Add(1)
-		defer wg.Done()
-		instance.SthSource.Run(ctx)
-		glog.Errorf("SthSource shutdown")
-		cancel() // must have SthSource running
-	}()
-
-	glog.V(3).Infof("spawning await")
-	server := http.Server{Addr: *httpEndpoint}
-	go await(ctx, func() {
-		wg.Add(1)
-		defer wg.Done()
-		ctxInner, _ := context.WithTimeout(ctx, time.Second*60)
-		glog.Infof("Shutting down HTTP server...")
-		server.Shutdown(ctxInner)
-		glog.V(3).Infof("HTTP server shutdown")
-		glog.Infof("Shutting down spawned go routines...")
-		cancel()
-	})
-
-	glog.Infof("Serving on %v/%v", *httpEndpoint, *prefix)
-	if err = server.ListenAndServe(); err != http.ErrServerClosed {
-		glog.Errorf("ListenAndServe: %v", err)
-	}
-}
-
-// SetupInstance sets up a new STFE instance from flags
-func setupInstanceFromFlags() (*stfe.Instance, error) {
-	// Trillian gRPC connection
-	dialOpts := []grpc.DialOption{grpc.WithInsecure(), grpc.WithBlock(), grpc.WithTimeout(*deadline)}
-	conn, err := grpc.Dial(*rpcBackend, dialOpts...)
-	if err != nil {
-		return nil, fmt.Errorf("Dial: %v", err)
-	}
-	client := trillian.NewTrillianLogClient(conn)
-	// HTTP multiplexer
-	mux := http.NewServeMux()
-	http.Handle("/", mux)
-	// Prometheus metrics
-	glog.V(3).Infof("Adding prometheus handler on path: /metrics")
-	http.Handle("/metrics", promhttp.Handler())
-	// Trusted submitters
-	submitters, err := newNamespacePoolFromString(*submitters)
-	if err != nil {
-		return nil, fmt.Errorf("submitters: newNamespacePoolFromString: %v", err)
-	}
-	// Trusted witnesses
-	witnesses, err := newNamespacePoolFromString(*witnesses)
-	if err != nil {
-		return nil, fmt.Errorf("witnesses: NewNamespacePool: %v", err)
-	}
-	// Log identity
-	sk, err := base64.StdEncoding.DecodeString(*key)
-	if err != nil {
-		return nil, fmt.Errorf("sk: DecodeString: %v", err)
-	}
-	signer := ed25519.PrivateKey(sk)
-	logId, err := types.NewNamespaceEd25519V1([]byte(ed25519.PrivateKey(sk).Public().(ed25519.PublicKey)))
-	if err != nil {
-		return nil, fmt.Errorf("NewNamespaceEd25519V1: %v", err)
-	}
-	// Setup log parameters
-	lp, err := stfe.NewLogParameters(signer, logId, *trillianID, *prefix, submitters, witnesses, *maxRange, *interval, *deadline, *submitterPolicy, *witnessPolicy)
-	if err != nil {
-		return nil, fmt.Errorf("NewLogParameters: %v", err)
-	}
-	// Setup STH source
-	source, err := stfe.NewActiveSthSource(client, lp)
-	if err != nil {
-		return nil, fmt.Errorf("NewActiveSthSource: %v", err)
-	}
-	// Setup log instance
-	i := &stfe.Instance{client, lp, source}
-	for _, handler := range i.Handlers() {
-		glog.V(3).Infof("adding handler: %s", handler.Path())
-		mux.Handle(handler.Path(), handler)
-	}
-	return i, nil
-}
-
-// newNamespacePoolFromString creates a new namespace pool from a
-// comma-separated list of serialized and base64-encoded namespaces.
-func newNamespacePoolFromString(str string) (*types.NamespacePool, error) {
-	var namespaces []*types.Namespace
-	if len(str) > 0 {
-		for _, b64 := range strings.Split(str, ",") {
-			b, err := base64.StdEncoding.DecodeString(b64)
-			if err != nil {
-				return nil, fmt.Errorf("DecodeString: %v", err)
-			}
-			var namespace types.Namespace
-			if err := types.Unmarshal(b, &namespace); err != nil {
-				return nil, fmt.Errorf("Unmarshal: %v", err)
-			}
-			namespaces = append(namespaces, &namespace)
-		}
-	}
-	pool, err := types.NewNamespacePool(namespaces)
-	if err != nil {
-		return nil, fmt.Errorf("NewNamespacePool: %v", err)
-	}
-	return pool, nil
-}
-
-// await waits for a shutdown signal and then runs a clean-up function
-func await(ctx context.Context, done func()) {
-	sigs := make(chan os.Signal, 1)
-	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
-	select {
-	case <-sigs:
-	case <-ctx.Done():
-	}
-	glog.V(3).Info("received shutdown signal")
-	done()
-}