tests: add tests for signature-v4.go (#2458)

This adds tests for the functions `doesPresignedSignatureMatch` and
`doesPolicySignatureMatch`.
master
Brendan Ashworth 8 years ago committed by Harshavardhana
parent 0a3d43273f
commit 13390d0c95
  1. 251
      signature-v4_test.go

@ -0,0 +1,251 @@
/*
* Minio Cloud Storage, (C) 2016 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 main
import (
"fmt"
"net/http"
"net/url"
"testing"
"time"
)
func niceError(code APIErrorCode) string {
// Special-handle ErrNone
if code == ErrNone {
return "ErrNone"
}
return fmt.Sprintf("%s (%s)", errorCodeResponse[code].Code, errorCodeResponse[code].Description)
}
func TestDoesPolicySignatureMatch(t *testing.T) {
credentialTemplate := "%s/%s/%s/s3/aws4_request"
now := time.Now().UTC()
accessKey := serverConfig.GetCredential().AccessKeyID
testCases := []struct {
form map[string]string
expected APIErrorCode
}{
// (0) It should fail if 'X-Amz-Credential' is missing.
{
form: map[string]string{},
expected: ErrMissingFields,
},
// (1) It should fail if the access key is incorrect.
{
form: map[string]string{
"X-Amz-Credential": fmt.Sprintf(credentialTemplate, "EXAMPLEINVALIDEXAMPL", now.Format(yyyymmdd), "us-east-1"),
},
expected: ErrInvalidAccessKeyID,
},
// (2) It should fail if the region is invalid.
{
form: map[string]string{
"X-Amz-Credential": fmt.Sprintf(credentialTemplate, accessKey, now.Format(yyyymmdd), "invalidregion"),
},
expected: ErrInvalidRegion,
},
// (3) It should fail if the date is invalid (or missing, in this case).
{
form: map[string]string{
"X-Amz-Credential": fmt.Sprintf(credentialTemplate, accessKey, now.Format(yyyymmdd), "us-east-1"),
},
expected: ErrMalformedDate,
},
// (4) It should fail with a bad signature.
{
form: map[string]string{
"X-Amz-Credential": fmt.Sprintf(credentialTemplate, accessKey, now.Format(yyyymmdd), "us-east-1"),
"X-Amz-Date": now.Format(iso8601Format),
"X-Amz-Signature": "invalidsignature",
"Policy": "policy",
},
expected: ErrSignatureDoesNotMatch,
},
// (5) It should succeed if everything is correct.
{
form: map[string]string{
"X-Amz-Credential": fmt.Sprintf(credentialTemplate, accessKey, now.Format(yyyymmdd), "us-east-1"),
"X-Amz-Date": now.Format(iso8601Format),
"X-Amz-Signature": getSignature(getSigningKey(serverConfig.GetCredential().SecretAccessKey, now, "us-east-1"), "policy"),
"Policy": "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) {
// sha256 hash of "payload"
payload := "239f59ed55e737c77147cf55ad0c1b030b6d7ee748a7426952f9b852d5a935e5"
now := time.Now().UTC()
credentialTemplate := "%s/%s/%s/s3/aws4_request"
testCases := []struct {
queryParams map[string]string
headers map[string]string
verifyRegion bool
expected APIErrorCode
}{
// (0) Should error without a set URL query.
{
verifyRegion: false,
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"),
},
verifyRegion: false,
expected: ErrInvalidAccessKeyID,
},
// (2) Should error when the payload sha256 doesn't 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, serverConfig.GetCredential().AccessKeyID, now.Format(yyyymmdd), "us-west-1"),
"X-Amz-Content-Sha256": "ThisIsNotThePayloadHash",
},
verifyRegion: false,
expected: ErrContentSHA256Mismatch,
},
// (3) Should fail with an invalid region.
{
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, serverConfig.GetCredential().AccessKeyID, now.Format(yyyymmdd), "us-west-1"),
"X-Amz-Content-Sha256": payload,
},
verifyRegion: true,
expected: ErrInvalidRegion,
},
// (4) 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, serverConfig.GetCredential().AccessKeyID, now.Format(yyyymmdd), "us-west-1"),
"X-Amz-Content-Sha256": payload,
},
verifyRegion: false,
expected: ErrUnsignedHeaders,
},
// (5) 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, serverConfig.GetCredential().AccessKeyID, now.Format(yyyymmdd), serverConfig.GetRegion()),
"X-Amz-Content-Sha256": payload,
},
verifyRegion: true,
expected: ErrUnsignedHeaders,
},
// (6) 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, serverConfig.GetCredential().AccessKeyID, now.Format(yyyymmdd), serverConfig.GetRegion()),
"X-Amz-Content-Sha256": payload,
},
headers: map[string]string{
"X-Amz-Date": now.AddDate(0, 0, -2).Format(iso8601Format),
"X-Amz-Content-Sha256": payload,
},
verifyRegion: false,
expected: ErrExpiredPresignRequest,
},
// (7) 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, serverConfig.GetCredential().AccessKeyID, now.Format(yyyymmdd), serverConfig.GetRegion()),
"X-Amz-Content-Sha256": payload,
},
headers: map[string]string{
"X-Amz-Date": now.Format(iso8601Format),
"X-Amz-Content-Sha256": payload,
},
verifyRegion: false,
expected: ErrSignatureDoesNotMatch,
},
}
// 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(payload, req, testCase.verifyRegion)
if err != testCase.expected {
t.Errorf("(%d) expected to get %s, instead got %s", i, niceError(testCase.expected), niceError(err))
}
}
}
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