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// Copyright 2021 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package web
import (
"context"
"net"
"net/http"
"sync"
"testing"
"time"
)
// TestBasicAuthCache validates that the cache is working by calling a password
// protected endpoint multiple times.
func TestBasicAuthCache(t *testing.T) {
server := &http.Server{
Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("Hello World!"))
}),
}
done := make(chan struct{})
t.Cleanup(func() {
if err := server.Shutdown(context.Background()); err != nil {
t.Fatal(err)
}
<-done
})
go func() {
flags := FlagConfig{
WebListenAddresses: &([]string{port}),
WebSystemdSocket: OfBool(false),
WebConfigFile: OfString("testdata/web_config_users_noTLS.good.yml"),
}
ListenAndServe(server, &flags, testlogger)
close(done)
}()
waitForPort(t, port)
login := func(username, password string, code int) {
client := &http.Client{}
req, err := http.NewRequest("GET", "http://localhost"+port, nil)
if err != nil {
t.Fatal(err)
}
req.SetBasicAuth(username, password)
r, err := client.Do(req)
if err != nil {
t.Fatal(err)
}
if r.StatusCode != code {
t.Fatalf("bad return code, expected %d, got %d", code, r.StatusCode)
}
}
// Initial logins, checking that it just works.
login("alice", "alice123", 200)
login("alice", "alice1234", 401)
var (
start = make(chan struct{})
wg sync.WaitGroup
)
wg.Add(300)
for i := 0; i < 150; i++ {
go func() {
<-start
login("alice", "alice123", 200)
wg.Done()
}()
go func() {
<-start
login("alice", "alice1234", 401)
wg.Done()
}()
}
close(start)
wg.Wait()
}
// TestBasicAuthWithFakePassword validates that we can't login the "fakepassword" used in
// to prevent user enumeration.
func TestBasicAuthWithFakepassword(t *testing.T) {
server := &http.Server{
Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("Hello World!"))
}),
}
done := make(chan struct{})
t.Cleanup(func() {
if err := server.Shutdown(context.Background()); err != nil {
t.Fatal(err)
}
<-done
})
go func() {
flags := FlagConfig{
WebListenAddresses: &([]string{port}),
WebSystemdSocket: OfBool(false),
WebConfigFile: OfString("testdata/web_config_users_noTLS.good.yml"),
}
ListenAndServe(server, &flags, testlogger)
close(done)
}()
waitForPort(t, port)
login := func() {
client := &http.Client{}
req, err := http.NewRequest("GET", "http://localhost"+port, nil)
if err != nil {
t.Fatal(err)
}
req.SetBasicAuth("fakeuser", "fakepassword")
r, err := client.Do(req)
if err != nil {
t.Fatal(err)
}
if r.StatusCode != 401 {
t.Fatalf("bad return code, expected %d, got %d", 401, r.StatusCode)
}
}
// Login with a cold cache.
login()
// Login with the response cached.
login()
}
// TestByPassBasicAuthVuln tests for CVE-2022-46146.
func TestByPassBasicAuthVuln(t *testing.T) {
server := &http.Server{
Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("Hello World!"))
}),
}
done := make(chan struct{})
t.Cleanup(func() {
if err := server.Shutdown(context.Background()); err != nil {
t.Fatal(err)
}
<-done
})
go func() {
flags := FlagConfig{
WebListenAddresses: &([]string{port}),
WebSystemdSocket: OfBool(false),
WebConfigFile: OfString("testdata/web_config_users_noTLS.good.yml"),
}
ListenAndServe(server, &flags, testlogger)
close(done)
}()
waitForPort(t, port)
login := func(username, password string) {
client := &http.Client{}
req, err := http.NewRequest("GET", "http://localhost"+port, nil)
if err != nil {
t.Fatal(err)
}
req.SetBasicAuth(username, password)
r, err := client.Do(req)
if err != nil {
t.Fatal(err)
}
if r.StatusCode != 401 {
t.Fatalf("bad return code, expected %d, got %d", 401, r.StatusCode)
}
}
// Poison the cache.
login("alice$2y$12$1DpfPeqF9HzHJt.EWswy1exHluGfbhnn3yXhR7Xes6m3WJqFg0Wby", "fakepassword")
// Login with a wrong password.
login("alice", "$2y$10$QOauhQNbBCuQDKes6eFzPeMqBSjb7Mr5DUmpZ/VcEd00UAV/LDeSifakepassword")
}
// TestHTTPHeaders validates that HTTP headers are added correctly.
func TestHTTPHeaders(t *testing.T) {
server := &http.Server{
Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("Hello World!"))
}),
}
done := make(chan struct{})
t.Cleanup(func() {
if err := server.Shutdown(context.Background()); err != nil {
t.Fatal(err)
}
<-done
})
go func() {
flags := FlagConfig{
WebListenAddresses: &([]string{port}),
WebSystemdSocket: OfBool(false),
WebConfigFile: OfString("testdata/web_config_headers.good.yml"),
}
ListenAndServe(server, &flags, testlogger)
close(done)
}()
waitForPort(t, port)
client := &http.Client{}
req, err := http.NewRequest("GET", "http://localhost"+port, nil)
if err != nil {
t.Fatal(err)
}
r, err := client.Do(req)
if err != nil {
t.Fatal(err)
}
for k, v := range map[string]string{
"Strict-Transport-Security": "max-age=31536000; includeSubDomains",
"X-Frame-Options": "deny",
"X-Content-Type-Options": "nosniff",
"X-XSS-Protection": "1",
} {
if got := r.Header.Get(k); got != v {
t.Fatalf("unexpected %s header value, expected %q, got %q", k, v, got)
}
}
}
func waitForPort(t *testing.T, addr string) {
start := time.Now()
for {
conn, err := net.DialTimeout("tcp", addr, time.Second)
if err == nil {
conn.Close()
return
}
if time.Since(start) >= 5*time.Second {
t.Fatalf("timeout waiting for port %s: %s", addr, err)
return
}
time.Sleep(time.Millisecond * 100)
}
}
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