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minio/cmd/signature-v4_test.go

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10 KiB

/*
* Minio Cloud Storage, (C) 2016, 2017 Minio, Inc.
*
* 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 cmd
import (
"fmt"
"net/http"
"net/url"
"os"
"testing"
"time"
)
func niceError(code APIErrorCode) string {
// Special-handle ErrNone
if code == ErrNone {
return "ErrNone"
}
return fmt.Sprintf("%s (%s)", errorCodes[code].Code, errorCodes[code].Description)
}
func TestDoesPolicySignatureMatch(t *testing.T) {
credentialTemplate := "%s/%s/%s/s3/aws4_request"
now := UTCNow()
accessKey := globalServerConfig.GetCredential().AccessKey
testCases := []struct {
form http.Header
expected APIErrorCode
}{
// (0) It should fail if 'X-Amz-Credential' is missing.
{
form: http.Header{},
expected: ErrMissingFields,
},
// (1) It should fail if the access key is incorrect.
{
form: http.Header{
"X-Amz-Credential": []string{fmt.Sprintf(credentialTemplate, "EXAMPLEINVALIDEXAMPL", now.Format(yyyymmdd), globalMinioDefaultRegion)},
},
expected: ErrInvalidAccessKeyID,
},
// (2) It should fail with a bad signature.
{
form: http.Header{
"X-Amz-Credential": []string{fmt.Sprintf(credentialTemplate, accessKey, now.Format(yyyymmdd), globalMinioDefaultRegion)},
"X-Amz-Date": []string{now.Format(iso8601Format)},
"X-Amz-Signature": []string{"invalidsignature"},
"Policy": []string{"policy"},
},
expected: ErrSignatureDoesNotMatch,
},
// (3) It should succeed if everything is correct.
{
form: http.Header{
"X-Amz-Credential": []string{
fmt.Sprintf(credentialTemplate, accessKey, now.Format(yyyymmdd), globalMinioDefaultRegion),
},
"X-Amz-Date": []string{now.Format(iso8601Format)},
"X-Amz-Signature": []string{
getSignature(getSigningKey(globalServerConfig.GetCredential().SecretKey, now,
globalMinioDefaultRegion), "policy"),
},
"Policy": []string{"policy"},
},
expected: ErrNone,
},
}
// Run each test case individually.
for i, testCase := range testCases {
code := doesPolicySignatureMatch(testCase.form)
if code != testCase.expected {
t.Errorf("(%d) expected to get %s, instead got %s", i, niceError(testCase.expected), niceError(code))
}
}
}
func TestDoesPresignedSignatureMatch(t *testing.T) {
obj, fsDir, err := prepareFS()
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(fsDir)
if err = newTestConfig(globalMinioDefaultRegion, obj); err != nil {
t.Fatal(err)
}
// sha256 hash of "payload"
payloadSHA256 := "239f59ed55e737c77147cf55ad0c1b030b6d7ee748a7426952f9b852d5a935e5"
now := UTCNow()
credentialTemplate := "%s/%s/%s/s3/aws4_request"
region := globalServerConfig.GetRegion()
accessKeyID := globalServerConfig.GetCredential().AccessKey
testCases := []struct {
queryParams map[string]string
headers map[string]string
region string
expected APIErrorCode
}{
// (0) Should error without a set URL query.
{
region: globalMinioDefaultRegion,
expected: ErrInvalidQueryParams,
},
// (1) Should error on an invalid access key.
{
queryParams: map[string]string{
"X-Amz-Algorithm": signV4Algorithm,
"X-Amz-Date": now.Format(iso8601Format),
"X-Amz-Expires": "60",
"X-Amz-Signature": "badsignature",
"X-Amz-SignedHeaders": "host;x-amz-content-sha256;x-amz-date",
"X-Amz-Credential": fmt.Sprintf(credentialTemplate, "Z7IXGOO6BZ0REAN1Q26I", now.Format(yyyymmdd), "us-west-1"),
},
region: "us-west-1",
expected: ErrInvalidAccessKeyID,
},
// (2) Should NOT fail with an invalid region if it doesn't verify it.
{
queryParams: map[string]string{
"X-Amz-Algorithm": signV4Algorithm,
"X-Amz-Date": now.Format(iso8601Format),
"X-Amz-Expires": "60",
"X-Amz-Signature": "badsignature",
"X-Amz-SignedHeaders": "host;x-amz-content-sha256;x-amz-date",
"X-Amz-Credential": fmt.Sprintf(credentialTemplate, accessKeyID, now.Format(yyyymmdd), "us-west-1"),
"X-Amz-Content-Sha256": payloadSHA256,
},
region: "us-west-1",
expected: ErrUnsignedHeaders,
},
// (3) Should fail to extract headers if the host header is not signed.
{
queryParams: map[string]string{
"X-Amz-Algorithm": signV4Algorithm,
"X-Amz-Date": now.Format(iso8601Format),
"X-Amz-Expires": "60",
"X-Amz-Signature": "badsignature",
"X-Amz-SignedHeaders": "x-amz-content-sha256;x-amz-date",
"X-Amz-Credential": fmt.Sprintf(credentialTemplate, accessKeyID, now.Format(yyyymmdd), region),
"X-Amz-Content-Sha256": payloadSHA256,
},
region: region,
expected: ErrUnsignedHeaders,
},
// (4) Should give an expired request if it has expired.
{
queryParams: map[string]string{
"X-Amz-Algorithm": signV4Algorithm,
"X-Amz-Date": now.AddDate(0, 0, -2).Format(iso8601Format),
"X-Amz-Expires": "60",
"X-Amz-Signature": "badsignature",
"X-Amz-SignedHeaders": "host;x-amz-content-sha256;x-amz-date",
"X-Amz-Credential": fmt.Sprintf(credentialTemplate, accessKeyID, now.Format(yyyymmdd), region),
"X-Amz-Content-Sha256": payloadSHA256,
},
headers: map[string]string{
"X-Amz-Date": now.AddDate(0, 0, -2).Format(iso8601Format),
"X-Amz-Content-Sha256": payloadSHA256,
},
region: region,
expected: ErrExpiredPresignRequest,
},
// (5) Should error if the signature is incorrect.
{
queryParams: map[string]string{
"X-Amz-Algorithm": signV4Algorithm,
"X-Amz-Date": now.Format(iso8601Format),
"X-Amz-Expires": "60",
"X-Amz-Signature": "badsignature",
"X-Amz-SignedHeaders": "host;x-amz-content-sha256;x-amz-date",
"X-Amz-Credential": fmt.Sprintf(credentialTemplate, accessKeyID, now.Format(yyyymmdd), region),
"X-Amz-Content-Sha256": payloadSHA256,
},
headers: map[string]string{
"X-Amz-Date": now.Format(iso8601Format),
"X-Amz-Content-Sha256": payloadSHA256,
},
region: region,
expected: ErrSignatureDoesNotMatch,
},
// (6) Should error if the request is not ready yet, ie X-Amz-Date is in the future.
{
queryParams: map[string]string{
"X-Amz-Algorithm": signV4Algorithm,
"X-Amz-Date": now.Add(1 * time.Hour).Format(iso8601Format),
"X-Amz-Expires": "60",
"X-Amz-Signature": "badsignature",
"X-Amz-SignedHeaders": "host;x-amz-content-sha256;x-amz-date",
"X-Amz-Credential": fmt.Sprintf(credentialTemplate, accessKeyID, now.Format(yyyymmdd), region),
"X-Amz-Content-Sha256": payloadSHA256,
},
headers: map[string]string{
"X-Amz-Date": now.Format(iso8601Format),
"X-Amz-Content-Sha256": payloadSHA256,
},
region: region,
expected: ErrRequestNotReadyYet,
},
// (7) Should not error with invalid region instead, call should proceed
// with sigature does not match.
{
queryParams: map[string]string{
"X-Amz-Algorithm": signV4Algorithm,
"X-Amz-Date": now.Format(iso8601Format),
"X-Amz-Expires": "60",
"X-Amz-Signature": "badsignature",
"X-Amz-SignedHeaders": "host;x-amz-content-sha256;x-amz-date",
"X-Amz-Credential": fmt.Sprintf(credentialTemplate, accessKeyID, now.Format(yyyymmdd), region),
"X-Amz-Content-Sha256": payloadSHA256,
},
headers: map[string]string{
"X-Amz-Date": now.Format(iso8601Format),
"X-Amz-Content-Sha256": payloadSHA256,
},
region: "",
expected: ErrSignatureDoesNotMatch,
},
// (8) Should error with signature does not match. But handles
// query params which do not precede with "x-amz-" header.
{
queryParams: map[string]string{
"X-Amz-Algorithm": signV4Algorithm,
"X-Amz-Date": now.Format(iso8601Format),
"X-Amz-Expires": "60",
"X-Amz-Signature": "badsignature",
"X-Amz-SignedHeaders": "host;x-amz-content-sha256;x-amz-date",
"X-Amz-Credential": fmt.Sprintf(credentialTemplate, accessKeyID, now.Format(yyyymmdd), region),
"X-Amz-Content-Sha256": payloadSHA256,
"response-content-type": "application/json",
},
headers: map[string]string{
"X-Amz-Date": now.Format(iso8601Format),
"X-Amz-Content-Sha256": payloadSHA256,
},
region: "",
expected: ErrSignatureDoesNotMatch,
},
// (9) Should error with unsigned headers.
{
queryParams: map[string]string{
"X-Amz-Algorithm": signV4Algorithm,
"X-Amz-Date": now.Format(iso8601Format),
"X-Amz-Expires": "60",
"X-Amz-Signature": "badsignature",
"X-Amz-SignedHeaders": "host;x-amz-content-sha256;x-amz-date",
"X-Amz-Credential": fmt.Sprintf(credentialTemplate, accessKeyID, now.Format(yyyymmdd), region),
"X-Amz-Content-Sha256": payloadSHA256,
"response-content-type": "application/json",
},
headers: map[string]string{
"X-Amz-Date": now.Format(iso8601Format),
},
region: "",
expected: ErrUnsignedHeaders,
},
}
// Run each test case individually.
for i, testCase := range testCases {
// Turn the map[string]string into map[string][]string, because Go.
query := url.Values{}
for key, value := range testCase.queryParams {
query.Set(key, value)
}
// Create a request to use.
req, e := http.NewRequest(http.MethodGet, "http://host/a/b?"+query.Encode(), nil)
if e != nil {
t.Errorf("(%d) failed to create http.Request, got %v", i, e)
}
// Do the same for the headers.
for key, value := range testCase.headers {
req.Header.Set(key, value)
}
// Check if it matches!
err := doesPresignedSignatureMatch(payloadSHA256, req, testCase.region)
if err != testCase.expected {
t.Errorf("(%d) expected to get %s, instead got %s", i, niceError(testCase.expected), niceError(err))
}
}
}