http stub

http.go

@@ -0,0 +1,43 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+)
+
+type Context struct {
+	User string
+}
+
+func HTTP(port int, db DB) error {
+	foo := func(w http.ResponseWriter, r *http.Request) {
+	}
+	foo = withAuth(foo)
+	return http.ListenAndServe(fmt.Sprintf(":%d", port), http.HandlerFunc(foo))
+}
+
+func extract(ctx context.Context) Context {
+	v := ctx.Value("__context")
+	v2, _ := v.(Context)
+	return v2
+}
+
+func inject(ctx context.Context, v Context) context.Context {
+	return context.WithValue(ctx, "__context", v)
+}
+
+func withAuth(foo http.HandlerFunc) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		u, _, ok := r.BasicAuth()
+		if !ok || u == "" {
+			w.Header().Set("WWW-Authenticate", "Basic")
+			w.WriteHeader(401)
+			return
+		}
+		c := extract(r.Context())
+		c.User = u
+		r = r.WithContext(inject(r.Context(), c))
+		foo(w, r)
+	}
+}

main.go

@@ -5,6 +5,7 @@ import (
 	"bytes"
 	"fmt"
 	"os"
+	"strconv"
 	"strings"
 	"time"
 )
@@ -59,6 +60,13 @@ func Main() error {
 		return err
 	}
 	defer db.Close()
+	if port, _ := strconv.Atoi(os.Getenv("PORT")); port > 0 {
+		return HTTP(port, db)
+	}
+	return Terminal(db)
+}
+
+func Terminal(db DB) error {
 	user := IDU(os.Getenv("USER"))
 	failed, err := Review(db, user)
 	if err != nil {