pkg/auth: move auth code into a new package for reuse in syz-hub

1 files changed, 99 insertions, 0 deletions

diff --git a/pkg/auth/auth_test.go b/pkg/auth/auth_test.go
new file mode 100644
index 000000000..13a9c5749
--- /dev/null
+++ b/pkg/auth/auth_test.go
@@ -0,0 +1,99 @@
+// Copyright 2021 syzkaller project authors. All rights reserved.
+// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+package auth
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/google/syzkaller/dashboard/dashapi"
+)
+
+func reponseFor(t *testing.T, claims jwtClaims) (*httptest.Server, Endpoint) {
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		bytes, err := json.Marshal(jwtClaimsParse{
+			Subject:    claims.Subject,
+			Audience:   claims.Audience,
+			Expiration: fmt.Sprint(claims.Expiration.Unix()),
+		})
+		if err != nil {
+			t.Fatalf("Marshal %v", err)
+		}
+		w.Header()["Content-Type"] = []string{"application/json"}
+		w.Write(bytes)
+	}))
+	return ts, MakeEndpoint(ts.URL)
+}
+
+func TestBearerValid(t *testing.T) {
+	tm := time.Now()
+	magic := "ValidSubj"
+	ts, dut := reponseFor(t, jwtClaims{
+		Subject:    magic,
+		Audience:   dashapi.DashboardAudience,
+		Expiration: tm.AddDate(0, 0, 1),
+	})
+	defer ts.Close()
+
+	got, err := dut.DetermineAuthSubj(tm, []string{"Bearer x"})
+	if err != nil {
+		t.Errorf("Unexpected error %v", err)
+	}
+	if !strings.HasSuffix(got, magic) {
+		t.Errorf("Wrong subj %v not suffix of %v", magic, got)
+	}
+}
+
+func TestBearerWrongAudience(t *testing.T) {
+	tm := time.Now()
+	ts, dut := reponseFor(t, jwtClaims{
+		Subject:    "irrelevant",
+		Expiration: tm.AddDate(0, 0, 1),
+		Audience:   "junk",
+	})
+	defer ts.Close()
+
+	_, err := dut.DetermineAuthSubj(tm, []string{"Bearer x"})
+	if !strings.HasPrefix(err.Error(), "unexpected audience") {
+		t.Fatalf("Unexpected error %v", err)
+	}
+}
+
+func TestBearerExpired(t *testing.T) {
+	tm := time.Now()
+	ts, dut := reponseFor(t, jwtClaims{
+		Subject:    "irrelevant",
+		Expiration: tm.AddDate(0, 0, -1),
+		Audience:   dashapi.DashboardAudience,
+	})
+	defer ts.Close()
+
+	_, err := dut.DetermineAuthSubj(tm, []string{"Bearer x"})
+	if !strings.HasPrefix(err.Error(), "token past expiration") {
+		t.Fatalf("Unexpected error %v", err)
+	}
+}
+
+func TestMissingHeader(t *testing.T) {
+	ts, dut := reponseFor(t, jwtClaims{})
+	defer ts.Close()
+	got, err := dut.DetermineAuthSubj(time.Now(), []string{})
+	if err != nil || got != "" {
+		t.Errorf("Unexpected error %v %v", got, err)
+	}
+}
+
+func TestBadHeader(t *testing.T) {
+	ts, dut := reponseFor(t, jwtClaims{})
+	defer ts.Close()
+	got, err := dut.DetermineAuthSubj(time.Now(), []string{"bad"})
+	if err != nil || got != "" {
+		t.Errorf("Unexpected error %v %v", got, err)
+	}
+}