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// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package cmd
import (
"bytes"
"context"
"io"
"net/http"
"net/url"
"os"
"testing"
"time"
"github.com/minio/minio/internal/auth"
"github.com/minio/pkg/v2/policy"
)
type nullReader struct{}
func (r *nullReader) Read(b []byte) (int, error) {
return len(b), nil
}
// Test get request auth type.
func TestGetRequestAuthType(t *testing.T) {
type testCase struct {
req *http.Request
authT authType
}
nopCloser := io.NopCloser(io.LimitReader(&nullReader{}, 1024))
testCases := []testCase{
// Test case - 1
// Check for generic signature v4 header.
{
req: &http.Request{
URL: &url.URL{
Host: "127.0.0.1:9000",
Scheme: httpScheme,
Path: SlashSeparator,
},
Header: http.Header{
"Authorization": []string{"AWS4-HMAC-SHA256 <cred_string>"},
"X-Amz-Content-Sha256": []string{streamingContentSHA256},
"Content-Encoding": []string{streamingContentEncoding},
},
Method: http.MethodPut,
Body: nopCloser,
},
authT: authTypeStreamingSigned,
},
// Test case - 2
// Check for JWT header.
{
req: &http.Request{
URL: &url.URL{
Host: "127.0.0.1:9000",
Scheme: httpScheme,
Path: SlashSeparator,
},
Header: http.Header{
"Authorization": []string{"Bearer 12313123"},
},
},
authT: authTypeJWT,
},
// Test case - 3
// Empty authorization header.
{
req: &http.Request{
URL: &url.URL{
Host: "127.0.0.1:9000",
Scheme: httpScheme,
Path: SlashSeparator,
},
Header: http.Header{
"Authorization": []string{""},
},
},
authT: authTypeUnknown,
},
// Test case - 4
// Check for presigned.
{
req: &http.Request{
URL: &url.URL{
Host: "127.0.0.1:9000",
Scheme: httpScheme,
Path: SlashSeparator,
RawQuery: "X-Amz-Credential=EXAMPLEINVALIDEXAMPL%2Fs3%2F20160314%2Fus-east-1",
},
},
authT: authTypePresigned,
},
// Test case - 5
// Check for post policy.
{
req: &http.Request{
URL: &url.URL{
Host: "127.0.0.1:9000",
Scheme: httpScheme,
Path: SlashSeparator,
},
Header: http.Header{
"Content-Type": []string{"multipart/form-data"},
},
Method: http.MethodPost,
Body: nopCloser,
},
authT: authTypePostPolicy,
},
}
// .. Tests all request auth type.
for i, testc := range testCases {
authT := getRequestAuthType(testc.req)
if authT != testc.authT {
t.Errorf("Test %d: Expected %d, got %d", i+1, testc.authT, authT)
}
}
}
// Test all s3 supported auth types.
func TestS3SupportedAuthType(t *testing.T) {
type testCase struct {
authT authType
pass bool
}
// List of all valid and invalid test cases.
testCases := []testCase{
// Test 1 - supported s3 type anonymous.
{
authT: authTypeAnonymous,
pass: true,
},
// Test 2 - supported s3 type presigned.
{
authT: authTypePresigned,
pass: true,
},
// Test 3 - supported s3 type signed.
{
authT: authTypeSigned,
pass: true,
},
// Test 4 - supported s3 type with post policy.
{
authT: authTypePostPolicy,
pass: true,
},
// Test 5 - supported s3 type with streaming signed.
{
authT: authTypeStreamingSigned,
pass: true,
},
// Test 6 - supported s3 type with signature v2.
{
authT: authTypeSignedV2,
pass: true,
},
// Test 7 - supported s3 type with presign v2.
{
authT: authTypePresignedV2,
pass: true,
},
// Test 8 - JWT is not supported s3 type.
{
authT: authTypeJWT,
pass: false,
},
// Test 9 - unknown auth header is not supported s3 type.
{
authT: authTypeUnknown,
pass: false,
},
// Test 10 - some new auth type is not supported s3 type.
{
authT: authType(9),
pass: false,
},
}
// Validate all the test cases.
for i, tt := range testCases {
ok := isSupportedS3AuthType(tt.authT)
if ok != tt.pass {
t.Errorf("Test %d:, Expected %t, got %t", i+1, tt.pass, ok)
}
}
}
func TestIsRequestPresignedSignatureV2(t *testing.T) {
testCases := []struct {
inputQueryKey string
inputQueryValue string
expectedResult bool
}{
// Test case - 1.
// Test case with query key "AWSAccessKeyId" set.
{"", "", false},
// Test case - 2.
{"AWSAccessKeyId", "", true},
// Test case - 3.
{"X-Amz-Content-Sha256", "", false},
}
for i, testCase := range testCases {
// creating an input HTTP request.
// Only the query parameters are relevant for this particular test.
inputReq, err := http.NewRequest(http.MethodGet, "http://example.com", nil)
if err != nil {
t.Fatalf("Error initializing input HTTP request: %v", err)
}
q := inputReq.URL.Query()
q.Add(testCase.inputQueryKey, testCase.inputQueryValue)
inputReq.URL.RawQuery = q.Encode()
inputReq.ParseForm()
actualResult := isRequestPresignedSignatureV2(inputReq)
if testCase.expectedResult != actualResult {
t.Errorf("Test %d: Expected the result to `%v`, but instead got `%v`", i+1, testCase.expectedResult, actualResult)
}
}
}
// TestIsRequestPresignedSignatureV4 - Test validates the logic for presign signature version v4 detection.
func TestIsRequestPresignedSignatureV4(t *testing.T) {
testCases := []struct {
inputQueryKey string
inputQueryValue string
expectedResult bool
}{
// Test case - 1.
// Test case with query key ""X-Amz-Credential" set.
{"", "", false},
// Test case - 2.
{"X-Amz-Credential", "", true},
// Test case - 3.
{"X-Amz-Content-Sha256", "", false},
}
for i, testCase := range testCases {
// creating an input HTTP request.
// Only the query parameters are relevant for this particular test.
inputReq, err := http.NewRequest(http.MethodGet, "http://example.com", nil)
if err != nil {
t.Fatalf("Error initializing input HTTP request: %v", err)
}
q := inputReq.URL.Query()
q.Add(testCase.inputQueryKey, testCase.inputQueryValue)
inputReq.URL.RawQuery = q.Encode()
inputReq.ParseForm()
actualResult := isRequestPresignedSignatureV4(inputReq)
if testCase.expectedResult != actualResult {
t.Errorf("Test %d: Expected the result to `%v`, but instead got `%v`", i+1, testCase.expectedResult, actualResult)
}
}
}
// Provides a fully populated http request instance, fails otherwise.
func mustNewRequest(method string, urlStr string, contentLength int64, body io.ReadSeeker, t *testing.T) *http.Request {
req, err := newTestRequest(method, urlStr, contentLength, body)
if err != nil {
t.Fatalf("Unable to initialize new http request %s", err)
}
return req
}
// This is similar to mustNewRequest but additionally the request
// is signed with AWS Signature V4, fails if not able to do so.
func mustNewSignedRequest(method string, urlStr string, contentLength int64, body io.ReadSeeker, t *testing.T) *http.Request {
req := mustNewRequest(method, urlStr, contentLength, body, t)
cred := globalActiveCred
if err := signRequestV4(req, cred.AccessKey, cred.SecretKey); err != nil {
t.Fatalf("Unable to initialized new signed http request %s", err)
}
return req
}
// This is similar to mustNewRequest but additionally the request
// is signed with AWS Signature V2, fails if not able to do so.
func mustNewSignedV2Request(method string, urlStr string, contentLength int64, body io.ReadSeeker, t *testing.T) *http.Request {
req := mustNewRequest(method, urlStr, contentLength, body, t)
cred := globalActiveCred
if err := signRequestV2(req, cred.AccessKey, cred.SecretKey); err != nil {
t.Fatalf("Unable to initialized new signed http request %s", err)
}
return req
}
// This is similar to mustNewRequest but additionally the request
// is presigned with AWS Signature V2, fails if not able to do so.
func mustNewPresignedV2Request(method string, urlStr string, contentLength int64, body io.ReadSeeker, t *testing.T) *http.Request {
req := mustNewRequest(method, urlStr, contentLength, body, t)
cred := globalActiveCred
if err := preSignV2(req, cred.AccessKey, cred.SecretKey, time.Now().Add(10*time.Minute).Unix()); err != nil {
t.Fatalf("Unable to initialized new signed http request %s", err)
}
return req
}
// This is similar to mustNewRequest but additionally the request
// is presigned with AWS Signature V4, fails if not able to do so.
func mustNewPresignedRequest(method string, urlStr string, contentLength int64, body io.ReadSeeker, t *testing.T) *http.Request {
req := mustNewRequest(method, urlStr, contentLength, body, t)
cred := globalActiveCred
if err := preSignV4(req, cred.AccessKey, cred.SecretKey, time.Now().Add(10*time.Minute).Unix()); err != nil {
t.Fatalf("Unable to initialized new signed http request %s", err)
}
return req
}
func mustNewSignedShortMD5Request(method string, urlStr string, contentLength int64, body io.ReadSeeker, t *testing.T) *http.Request {
req := mustNewRequest(method, urlStr, contentLength, body, t)
req.Header.Set("Content-Md5", "invalid-digest")
cred := globalActiveCred
if err := signRequestV4(req, cred.AccessKey, cred.SecretKey); err != nil {
t.Fatalf("Unable to initialized new signed http request %s", err)
}
return req
}
func mustNewSignedEmptyMD5Request(method string, urlStr string, contentLength int64, body io.ReadSeeker, t *testing.T) *http.Request {
req := mustNewRequest(method, urlStr, contentLength, body, t)
req.Header.Set("Content-Md5", "")
cred := globalActiveCred
if err := signRequestV4(req, cred.AccessKey, cred.SecretKey); err != nil {
t.Fatalf("Unable to initialized new signed http request %s", err)
}
return req
}
func mustNewSignedBadMD5Request(method string, urlStr string, contentLength int64,
body io.ReadSeeker, t *testing.T,
) *http.Request {
req := mustNewRequest(method, urlStr, contentLength, body, t)
req.Header.Set("Content-Md5", "YWFhYWFhYWFhYWFhYWFhCg==")
cred := globalActiveCred
if err := signRequestV4(req, cred.AccessKey, cred.SecretKey); err != nil {
t.Fatalf("Unable to initialized new signed http request %s", err)
}
return req
}
// Tests is requested authenticated function, tests replies for s3 errors.
func TestIsReqAuthenticated(t *testing.T) {
ctx, cancel := context.WithCancel(GlobalContext)
defer cancel()
objLayer, fsDir, err := prepareFS(ctx)
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(fsDir)
if err = newTestConfig(globalMinioDefaultRegion, objLayer); err != nil {
t.Fatalf("unable initialize config file, %s", err)
}
initAllSubsystems(ctx)
initConfigSubsystem(ctx, objLayer)
creds, err := auth.CreateCredentials("myuser", "mypassword")
if err != nil {
t.Fatalf("unable create credential, %s", err)
}
globalActiveCred = creds
globalIAMSys.Init(ctx, objLayer, globalEtcdClient, 2*time.Second)
// List of test cases for validating http request authentication.
testCases := []struct {
req *http.Request
s3Error APIErrorCode
}{
// When request is unsigned, access denied is returned.
{mustNewRequest(http.MethodGet, "http://127.0.0.1:9000", 0, nil, t), ErrAccessDenied},
// Empty Content-Md5 header.
{mustNewSignedEmptyMD5Request(http.MethodPut, "http://127.0.0.1:9000/", 5, bytes.NewReader([]byte("hello")), t), ErrInvalidDigest},
// Short Content-Md5 header.
{mustNewSignedShortMD5Request(http.MethodPut, "http://127.0.0.1:9000/", 5, bytes.NewReader([]byte("hello")), t), ErrInvalidDigest},
// When request is properly signed, but has bad Content-MD5 header.
{mustNewSignedBadMD5Request(http.MethodPut, "http://127.0.0.1:9000/", 5, bytes.NewReader([]byte("hello")), t), ErrBadDigest},
// When request is properly signed, error is none.
{mustNewSignedRequest(http.MethodGet, "http://127.0.0.1:9000", 0, nil, t), ErrNone},
}
// Validates all testcases.
for i, testCase := range testCases {
s3Error := isReqAuthenticated(ctx, testCase.req, globalSite.Region, serviceS3)
if s3Error != testCase.s3Error {
if _, err := io.ReadAll(testCase.req.Body); toAPIErrorCode(ctx, err) != testCase.s3Error {
t.Fatalf("Test %d: Unexpected S3 error: want %d - got %d (got after reading request %s)", i, testCase.s3Error, s3Error, toAPIError(ctx, err).Code)
}
}
}
}
func TestCheckAdminRequestAuthType(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
objLayer, fsDir, err := prepareFS(ctx)
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(fsDir)
if err = newTestConfig(globalMinioDefaultRegion, objLayer); err != nil {
t.Fatalf("unable initialize config file, %s", err)
}
creds, err := auth.CreateCredentials("myuser", "mypassword")
if err != nil {
t.Fatalf("unable create credential, %s", err)
}
globalActiveCred = creds
testCases := []struct {
Request *http.Request
ErrCode APIErrorCode
}{
{Request: mustNewRequest(http.MethodGet, "http://127.0.0.1:9000", 0, nil, t), ErrCode: ErrAccessDenied},
{Request: mustNewSignedRequest(http.MethodGet, "http://127.0.0.1:9000", 0, nil, t), ErrCode: ErrNone},
{Request: mustNewSignedV2Request(http.MethodGet, "http://127.0.0.1:9000", 0, nil, t), ErrCode: ErrAccessDenied},
{Request: mustNewPresignedV2Request(http.MethodGet, "http://127.0.0.1:9000", 0, nil, t), ErrCode: ErrAccessDenied},
{Request: mustNewPresignedRequest(http.MethodGet, "http://127.0.0.1:9000", 0, nil, t), ErrCode: ErrAccessDenied},
}
for i, testCase := range testCases {
if _, s3Error := checkAdminRequestAuth(ctx, testCase.Request, policy.AllAdminActions, globalSite.Region); s3Error != testCase.ErrCode {
t.Errorf("Test %d: Unexpected s3error returned wanted %d, got %d", i, testCase.ErrCode, s3Error)
}
}
}
func TestValidateAdminSignature(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
objLayer, fsDir, err := prepareFS(ctx)
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(fsDir)
if err = newTestConfig(globalMinioDefaultRegion, objLayer); err != nil {
t.Fatalf("unable initialize config file, %s", err)
}
initAllSubsystems(ctx)
initConfigSubsystem(ctx, objLayer)
creds, err := auth.CreateCredentials("admin", "mypassword")
if err != nil {
t.Fatalf("unable create credential, %s", err)
}
globalActiveCred = creds
globalIAMSys.Init(ctx, objLayer, globalEtcdClient, 2*time.Second)
testCases := []struct {
AccessKey string
SecretKey string
ErrCode APIErrorCode
}{
{"", "", ErrInvalidAccessKeyID},
{"admin", "", ErrSignatureDoesNotMatch},
{"admin", "wrongpassword", ErrSignatureDoesNotMatch},
{"wronguser", "mypassword", ErrInvalidAccessKeyID},
{"", "mypassword", ErrInvalidAccessKeyID},
{"admin", "mypassword", ErrNone},
}
for i, testCase := range testCases {
req := mustNewRequest(http.MethodGet, "http://localhost:9000/", 0, nil, t)
if err := signRequestV4(req, testCase.AccessKey, testCase.SecretKey); err != nil {
t.Fatalf("Unable to initialized new signed http request %s", err)
}
_, _, s3Error := validateAdminSignature(ctx, req, globalMinioDefaultRegion)
if s3Error != testCase.ErrCode {
t.Errorf("Test %d: Unexpected s3error returned wanted %d, got %d", i+1, testCase.ErrCode, s3Error)
}
}
}