From af13f521f1965f34d5ede60ad1b69b5c6292783e Mon Sep 17 00:00:00 2001 From: Ryan Kohler Date: Mon, 25 Jan 2021 20:07:25 +0000 Subject: [PATCH] google: Create AWS V4 Signing Utility Change-Id: I59b4a13ed0433de7dfaa064a0f7dc1f3dd724518 GitHub-Last-Rev: 8cdc6a9ad02da61234e7d18db77294cef31367da GitHub-Pull-Request: golang/oauth2#467 Reviewed-on: https://go-review.googlesource.com/c/oauth2/+/284632 Run-TryBot: Cody Oss TryBot-Result: Go Bot Trust: Cody Oss Trust: Tyler Bui-Palsulich Reviewed-by: Cody Oss --- google/internal/externalaccount/aws.go | 230 ++++++++++++ google/internal/externalaccount/aws_test.go | 396 ++++++++++++++++++++ 2 files changed, 626 insertions(+) create mode 100644 google/internal/externalaccount/aws.go create mode 100644 google/internal/externalaccount/aws_test.go diff --git a/google/internal/externalaccount/aws.go b/google/internal/externalaccount/aws.go new file mode 100644 index 0000000..906d1fe --- /dev/null +++ b/google/internal/externalaccount/aws.go @@ -0,0 +1,230 @@ +// Copyright 2021 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package externalaccount + +import ( + "crypto/hmac" + "crypto/sha256" + "encoding/hex" + "errors" + "fmt" + "io" + "io/ioutil" + "net/http" + "path" + "sort" + "strings" + "time" +) + +// RequestSigner is a utility class to sign http requests using a AWS V4 signature. +type awsRequestSigner struct { + RegionName string + AwsSecurityCredentials map[string]string +} + +const ( +// AWS Signature Version 4 signing algorithm identifier. + awsAlgorithm = "AWS4-HMAC-SHA256" + +// The termination string for the AWS credential scope value as defined in +// https://docs.aws.amazon.com/general/latest/gr/sigv4-create-string-to-sign.html + awsRequestType = "aws4_request" + +// The AWS authorization header name for the security session token if available. + awsSecurityTokenHeader = "x-amz-security-token" + +// The AWS authorization header name for the auto-generated date. + awsDateHeader = "x-amz-date" + + awsTimeFormatLong = "20060102T150405Z" + awsTimeFormatShort = "20060102" +) + +func getSha256(input []byte) (string, error) { + hash := sha256.New() + if _, err := hash.Write(input); err != nil { + return "", err + } + return hex.EncodeToString(hash.Sum(nil)), nil +} + +func getHmacSha256(key, input []byte) ([]byte, error) { + hash := hmac.New(sha256.New, key) + if _, err := hash.Write(input); err != nil { + return nil, err + } + return hash.Sum(nil), nil +} + +func cloneRequest(r *http.Request) *http.Request { + r2 := new(http.Request) + *r2 = *r + if r.Header != nil { + r2.Header = make(http.Header, len(r.Header)) + + // Find total number of values. + headerCount := 0 + for _, headerValues := range r.Header { + headerCount += len(headerValues) + } + copiedHeaders := make([]string, headerCount) // shared backing array for headers' values + + for headerKey, headerValues := range r.Header { + headerCount = copy(copiedHeaders, headerValues) + r2.Header[headerKey] = copiedHeaders[:headerCount:headerCount] + copiedHeaders = copiedHeaders[headerCount:] + } + } + return r2 +} + +func canonicalPath(req *http.Request) string { + result := req.URL.EscapedPath() + if result == "" { + return "/" + } + return path.Clean(result) +} + +func canonicalQuery(req *http.Request) string { + queryValues := req.URL.Query() + for queryKey := range queryValues { + sort.Strings(queryValues[queryKey]) + } + return queryValues.Encode() +} + +func canonicalHeaders(req *http.Request) (string, string) { + // Header keys need to be sorted alphabetically. + var headers []string + lowerCaseHeaders := make(http.Header) + for k, v := range req.Header { + k := strings.ToLower(k) + if _, ok := lowerCaseHeaders[k]; ok { + // include additional values + lowerCaseHeaders[k] = append(lowerCaseHeaders[k], v...) + } else { + headers = append(headers, k) + lowerCaseHeaders[k] = v + } + } + sort.Strings(headers) + + var fullHeaders strings.Builder + for _, header := range headers { + headerValue := strings.Join(lowerCaseHeaders[header], ",") + fullHeaders.WriteString(header) + fullHeaders.WriteRune(':') + fullHeaders.WriteString(headerValue) + fullHeaders.WriteRune('\n') + } + + return strings.Join(headers, ";"), fullHeaders.String() +} + +func requestDataHash(req *http.Request) (string, error) { + var requestData []byte + if req.Body != nil { + requestBody, err := req.GetBody() + if err != nil { + return "", err + } + defer requestBody.Close() + + requestData, err = ioutil.ReadAll(io.LimitReader(requestBody, 1<<20)) + if err != nil { + return "", err + } + } + + return getSha256(requestData) +} + +func requestHost(req *http.Request) string { + if req.Host != "" { + return req.Host + } + return req.URL.Host +} + +func canonicalRequest(req *http.Request, canonicalHeaderColumns, canonicalHeaderData string) (string, error) { + dataHash, err := requestDataHash(req) + if err != nil { + return "", err + } + + return fmt.Sprintf("%s\n%s\n%s\n%s\n%s\n%s", req.Method, canonicalPath(req), canonicalQuery(req), canonicalHeaderData, canonicalHeaderColumns, dataHash), nil +} + +// SignRequest adds the appropriate headers to an http.Request +// or returns an error if something prevented this. +func (rs *awsRequestSigner) SignRequest(req *http.Request) error { + signedRequest := cloneRequest(req) + timestamp := now() + + signedRequest.Header.Add("host", requestHost(req)) + + if securityToken, ok := rs.AwsSecurityCredentials["security_token"]; ok { + signedRequest.Header.Add(awsSecurityTokenHeader, securityToken) + } + + if signedRequest.Header.Get("date") == "" { + signedRequest.Header.Add(awsDateHeader, timestamp.Format(awsTimeFormatLong)) + } + + authorizationCode, err := rs.generateAuthentication(signedRequest, timestamp) + if err != nil { + return err + } + signedRequest.Header.Set("Authorization", authorizationCode) + + req.Header = signedRequest.Header + return nil +} + +func (rs *awsRequestSigner) generateAuthentication(req *http.Request, timestamp time.Time) (string, error) { + secretAccessKey, ok := rs.AwsSecurityCredentials["secret_access_key"] + if !ok { + return "", errors.New("oauth2/google: missing secret_access_key header") + } + accessKeyId, ok := rs.AwsSecurityCredentials["access_key_id"] + if !ok { + return "", errors.New("oauth2/google: missing access_key_id header") + } + + canonicalHeaderColumns, canonicalHeaderData := canonicalHeaders(req) + + dateStamp := timestamp.Format(awsTimeFormatShort) + serviceName := "" + if splitHost := strings.Split(requestHost(req), "."); len(splitHost) > 0 { + serviceName = splitHost[0] + } + + credentialScope := fmt.Sprintf("%s/%s/%s/%s",dateStamp, rs.RegionName, serviceName, awsRequestType) + + requestString, err := canonicalRequest(req, canonicalHeaderColumns, canonicalHeaderData) + if err != nil { + return "", err + } + requestHash, err := getSha256([]byte(requestString)) + if err != nil{ + return "", err + } + + stringToSign := fmt.Sprintf("%s\n%s\n%s\n%s", awsAlgorithm, timestamp.Format(awsTimeFormatLong), credentialScope, requestHash) + + signingKey := []byte("AWS4" + secretAccessKey) + for _, signingInput := range []string{ + dateStamp, rs.RegionName, serviceName, awsRequestType, stringToSign, + } { + signingKey, err = getHmacSha256(signingKey, []byte(signingInput)) + if err != nil{ + return "", err + } + } + + return fmt.Sprintf("%s Credential=%s/%s, SignedHeaders=%s, Signature=%s", awsAlgorithm, accessKeyId, credentialScope, canonicalHeaderColumns, hex.EncodeToString(signingKey)), nil +} diff --git a/google/internal/externalaccount/aws_test.go b/google/internal/externalaccount/aws_test.go new file mode 100644 index 0000000..206c3a1 --- /dev/null +++ b/google/internal/externalaccount/aws_test.go @@ -0,0 +1,396 @@ +// Copyright 2021 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package externalaccount + +import ( + "net/http" + "reflect" + "strings" + "testing" + "time" +) + +var defaultTime = time.Date(2011, 9, 9, 23, 36, 0, 0, time.UTC) +var secondDefaultTime = time.Date(2020, 8, 11, 6, 55, 22, 0, time.UTC) + +func setTime(testTime time.Time) func() time.Time { + return func() time.Time { + return testTime + } +} + +var defaultRequestSigner = &awsRequestSigner{ + RegionName: "us-east-1", + AwsSecurityCredentials: map[string]string{ + "access_key_id": "AKIDEXAMPLE", + "secret_access_key": "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY", + }, +} + +const accessKeyId = "ASIARD4OQDT6A77FR3CL" +const secretAccessKey = "Y8AfSaucF37G4PpvfguKZ3/l7Id4uocLXxX0+VTx" +const securityToken = "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" + +var requestSignerWithToken = &awsRequestSigner{ + RegionName: "us-east-2", + AwsSecurityCredentials: map[string]string{ + "access_key_id": accessKeyId, + "secret_access_key": secretAccessKey, + "security_token": securityToken, + }, +} + +func setDefaultTime(req *http.Request) { + // Don't use time.Format for this + // Our output signature expects this to be a Monday, even though Sept 9, 2011 is a Friday + req.Header.Add("date", "Mon, 09 Sep 2011 23:36:00 GMT") +} + +func testRequestSigner(t *testing.T, rs *awsRequestSigner, input, expectedOutput *http.Request) { + t.Helper() + + err := rs.SignRequest(input) + if err != nil { + t.Errorf("unexpected error: %q", err.Error()) + } + + if got, want := input.URL.String(), expectedOutput.URL.String(); !reflect.DeepEqual(got, want) { + t.Errorf("url = %q, want %q", got, want) + } + if got, want := input.Method, expectedOutput.Method; !reflect.DeepEqual(got, want) { + t.Errorf("method = %q, want %q", got, want) + } + for header := range expectedOutput.Header { + if got, want := input.Header[header], expectedOutput.Header[header]; !reflect.DeepEqual(got, want) { + t.Errorf("header[%q] = %q, want %q", header, got, want) + } + } +} + +func TestAwsV4Signature_GetRequest(t *testing.T) { + input, _ := http.NewRequest("GET", "https://host.foo.com", nil) + setDefaultTime(input) + + output, _ := http.NewRequest("GET", "https://host.foo.com", nil) + output.Header = http.Header{ + "Host": []string{"host.foo.com"}, + "Date": []string{"Mon, 09 Sep 2011 23:36:00 GMT"}, + "Authorization": []string{"AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470"}, + } + + oldNow := now + defer func() { now = oldNow }() + now = setTime(defaultTime) + + testRequestSigner(t, defaultRequestSigner, input, output) +} + +func TestAwsV4Signature_GetRequestWithRelativePath(t *testing.T) { + input, _ := http.NewRequest("GET", "https://host.foo.com/foo/bar/../..", nil) + setDefaultTime(input) + + output, _ := http.NewRequest("GET", "https://host.foo.com/foo/bar/../..", nil) + output.Header = http.Header{ + "Host": []string{"host.foo.com"}, + "Date": []string{"Mon, 09 Sep 2011 23:36:00 GMT"}, + "Authorization": []string{"AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470"}, + } + + oldNow := now + defer func() { now = oldNow }() + now = setTime(defaultTime) + + testRequestSigner(t, defaultRequestSigner, input, output) +} + +func TestAwsV4Signature_GetRequestWithDotPath(t *testing.T) { + input, _ := http.NewRequest("GET", "https://host.foo.com/./", nil) + setDefaultTime(input) + + output, _ := http.NewRequest("GET", "https://host.foo.com/./", nil) + output.Header = http.Header{ + "Host": []string{"host.foo.com"}, + "Date": []string{"Mon, 09 Sep 2011 23:36:00 GMT"}, + "Authorization": []string{"AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470"}, + } + + oldNow := now + defer func() { now = oldNow }() + now = setTime(defaultTime) + + testRequestSigner(t, defaultRequestSigner, input, output) +} + +func TestAwsV4Signature_GetRequestWithPointlessDotPath(t *testing.T) { + input, _ := http.NewRequest("GET", "https://host.foo.com/./foo", nil) + setDefaultTime(input) + + output, _ := http.NewRequest("GET", "https://host.foo.com/./foo", nil) + output.Header = http.Header{ + "Host": []string{"host.foo.com"}, + "Date": []string{"Mon, 09 Sep 2011 23:36:00 GMT"}, + "Authorization": []string{"AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=910e4d6c9abafaf87898e1eb4c929135782ea25bb0279703146455745391e63a"}, + } + + oldNow := now + defer func() { now = oldNow }() + now = setTime(defaultTime) + + testRequestSigner(t, defaultRequestSigner, input, output) +} + +func TestAwsV4Signature_GetRequestWithUtf8Path(t *testing.T) { + input, _ := http.NewRequest("GET", "https://host.foo.com/%E1%88%B4", nil) + setDefaultTime(input) + + output, _ := http.NewRequest("GET", "https://host.foo.com/%E1%88%B4", nil) + output.Header = http.Header{ + "Host": []string{"host.foo.com"}, + "Date": []string{"Mon, 09 Sep 2011 23:36:00 GMT"}, + "Authorization": []string{"AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=8d6634c189aa8c75c2e51e106b6b5121bed103fdb351f7d7d4381c738823af74"}, + } + + oldNow := now + defer func() { now = oldNow }() + now = setTime(defaultTime) + + testRequestSigner(t, defaultRequestSigner, input, output) +} + +func TestAwsV4Signature_GetRequestWithDuplicateQuery(t *testing.T) { + input, _ := http.NewRequest("GET", "https://host.foo.com/?foo=Zoo&foo=aha", nil) + setDefaultTime(input) + + output, _ := http.NewRequest("GET", "https://host.foo.com/?foo=Zoo&foo=aha", nil) + output.Header = http.Header{ + "Host": []string{"host.foo.com"}, + "Date": []string{"Mon, 09 Sep 2011 23:36:00 GMT"}, + "Authorization": []string{"AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=be7148d34ebccdc6423b19085378aa0bee970bdc61d144bd1a8c48c33079ab09"}, + } + + oldNow := now + defer func() { now = oldNow }() + now = setTime(defaultTime) + + testRequestSigner(t, defaultRequestSigner, input, output) +} + +func TestAwsV4Signature_GetRequestWithMisorderedQuery(t *testing.T) { + input, _ := http.NewRequest("GET", "https://host.foo.com/?foo=b&foo=a", nil) + setDefaultTime(input) + + output, _ := http.NewRequest("GET", "https://host.foo.com/?foo=b&foo=a", nil) + output.Header = http.Header{ + "Host": []string{"host.foo.com"}, + "Date": []string{"Mon, 09 Sep 2011 23:36:00 GMT"}, + "Authorization": []string{"AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=feb926e49e382bec75c9d7dcb2a1b6dc8aa50ca43c25d2bc51143768c0875acc"}, + } + + oldNow := now + defer func() { now = oldNow }() + now = setTime(defaultTime) + + testRequestSigner(t, defaultRequestSigner, input, output) +} + +func TestAwsV4Signature_GetRequestWithUtf8Query(t *testing.T) { + input, _ := http.NewRequest("GET", "https://host.foo.com/?ሴ=bar", nil) + setDefaultTime(input) + + output, _ := http.NewRequest("GET", "https://host.foo.com/?ሴ=bar", nil) + output.Header = http.Header{ + "Host": []string{"host.foo.com"}, + "Date": []string{"Mon, 09 Sep 2011 23:36:00 GMT"}, + "Authorization": []string{"AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=6fb359e9a05394cc7074e0feb42573a2601abc0c869a953e8c5c12e4e01f1a8c"}, + } + + oldNow := now + defer func() { now = oldNow }() + now = setTime(defaultTime) + + testRequestSigner(t, defaultRequestSigner, input, output) +} + +func TestAwsV4Signature_PostRequest(t *testing.T) { + input, _ := http.NewRequest("POST", "https://host.foo.com/", nil) + setDefaultTime(input) + input.Header.Add("ZOO", "zoobar") + + output, _ := http.NewRequest("POST", "https://host.foo.com/", nil) + output.Header = http.Header{ + "Host": []string{"host.foo.com"}, + "Date": []string{"Mon, 09 Sep 2011 23:36:00 GMT"}, + "Authorization": []string{"AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host;zoo, Signature=b7a95a52518abbca0964a999a880429ab734f35ebbf1235bd79a5de87756dc4a"}, + "Zoo": []string{"zoobar"}, + } + + oldNow := now + defer func() { now = oldNow }() + now = setTime(defaultTime) + + testRequestSigner(t, defaultRequestSigner, input, output) +} + +func TestAwsV4Signature_PostRequestWithCapitalizedHeaderValue(t *testing.T) { + input, _ := http.NewRequest("POST", "https://host.foo.com/", nil) + setDefaultTime(input) + input.Header.Add("zoo", "ZOOBAR") + + output, _ := http.NewRequest("POST", "https://host.foo.com/", nil) + output.Header = http.Header{ + "Host": []string{"host.foo.com"}, + "Date": []string{"Mon, 09 Sep 2011 23:36:00 GMT"}, + "Authorization": []string{"AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host;zoo, Signature=273313af9d0c265c531e11db70bbd653f3ba074c1009239e8559d3987039cad7"}, + "Zoo": []string{"ZOOBAR"}, + } + + oldNow := now + defer func() { now = oldNow }() + now = setTime(defaultTime) + + testRequestSigner(t, defaultRequestSigner, input, output) +} + +func TestAwsV4Signature_PostRequestPhfft(t *testing.T) { + input, _ := http.NewRequest("POST", "https://host.foo.com/", nil) + setDefaultTime(input) + input.Header.Add("p", "phfft") + + output, _ := http.NewRequest("POST", "https://host.foo.com/", nil) + output.Header = http.Header{ + "Host": []string{"host.foo.com"}, + "Date": []string{"Mon, 09 Sep 2011 23:36:00 GMT"}, + "Authorization": []string{"AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host;p, Signature=debf546796015d6f6ded8626f5ce98597c33b47b9164cf6b17b4642036fcb592"}, + "P": []string{"phfft"}, + } + + oldNow := now + defer func() { now = oldNow }() + now = setTime(defaultTime) + + testRequestSigner(t, defaultRequestSigner, input, output) +} + +func TestAwsV4Signature_PostRequestWithBody(t *testing.T) { + input, _ := http.NewRequest("POST", "https://host.foo.com/", strings.NewReader("foo=bar")) + setDefaultTime(input) + input.Header.Add("Content-Type", "application/x-www-form-urlencoded") + + output, _ := http.NewRequest("POST", "https://host.foo.com/", nil) + output.Header = http.Header{ + "Host": []string{"host.foo.com"}, + "Date": []string{"Mon, 09 Sep 2011 23:36:00 GMT"}, + "Content-Type": []string{"application/x-www-form-urlencoded"}, + "Authorization": []string{"AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=content-type;date;host, Signature=5a15b22cf462f047318703b92e6f4f38884e4a7ab7b1d6426ca46a8bd1c26cbc"}, + } + + oldNow := now + defer func() { now = oldNow }() + now = setTime(defaultTime) + + testRequestSigner(t, defaultRequestSigner, input, output) +} + +func TestAwsV4Signature_PostRequestWithQueryString(t *testing.T) { + input, _ := http.NewRequest("POST", "https://host.foo.com/?foo=bar", nil) + setDefaultTime(input) + + output, _ := http.NewRequest("POST", "https://host.foo.com/?foo=bar", nil) + output.Header = http.Header{ + "Host": []string{"host.foo.com"}, + "Date": []string{"Mon, 09 Sep 2011 23:36:00 GMT"}, + "Authorization": []string{"AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=b6e3b79003ce0743a491606ba1035a804593b0efb1e20a11cba83f8c25a57a92"}, + } + + oldNow := now + defer func() { now = oldNow }() + now = setTime(defaultTime) + + testRequestSigner(t, defaultRequestSigner, input, output) +} + +func TestAwsV4Signature_GetRequestWithSecurityToken(t *testing.T) { + input, _ := http.NewRequest("GET", "https://ec2.us-east-2.amazonaws.com?Action=DescribeRegions&Version=2013-10-15", nil) + + output, _ := http.NewRequest("GET", "https://ec2.us-east-2.amazonaws.com?Action=DescribeRegions&Version=2013-10-15", nil) + output.Header = http.Header{ + "Host": []string{"ec2.us-east-2.amazonaws.com"}, + "Authorization": []string{"AWS4-HMAC-SHA256 Credential=" + accessKeyId + "/20200811/us-east-2/ec2/aws4_request, SignedHeaders=host;x-amz-date;x-amz-security-token, Signature=631ea80cddfaa545fdadb120dc92c9f18166e38a5c47b50fab9fce476e022855"}, + "X-Amz-Date": []string{"20200811T065522Z"}, + "X-Amz-Security-Token": []string{securityToken}, + } + + oldNow := now + defer func() { now = oldNow }() + now = setTime(secondDefaultTime) + + testRequestSigner(t, requestSignerWithToken, input, output) +} + +func TestAwsV4Signature_PostRequestWithSecurityToken(t *testing.T) { + input, _ := http.NewRequest("POST", "https://sts.us-east-2.amazonaws.com?Action=GetCallerIdentity&Version=2011-06-15", nil) + + output, _ := http.NewRequest("POST", "https://sts.us-east-2.amazonaws.com?Action=GetCallerIdentity&Version=2011-06-15", nil) + output.Header = http.Header{ + "Authorization": []string{"AWS4-HMAC-SHA256 Credential=" + accessKeyId + "/20200811/us-east-2/sts/aws4_request, SignedHeaders=host;x-amz-date;x-amz-security-token, Signature=73452984e4a880ffdc5c392355733ec3f5ba310d5e0609a89244440cadfe7a7a"}, + "Host": []string{"sts.us-east-2.amazonaws.com"}, + "X-Amz-Date": []string{"20200811T065522Z"}, + "X-Amz-Security-Token": []string{securityToken}, + } + + oldNow := now + defer func() { now = oldNow }() + now = setTime(secondDefaultTime) + + testRequestSigner(t, requestSignerWithToken, input, output) +} + +func TestAwsV4Signature_PostRequestWithSecurityTokenAndAdditionalHeaders(t *testing.T) { + requestParams := "{\"KeySchema\":[{\"KeyType\":\"HASH\",\"AttributeName\":\"Id\"}],\"TableName\":\"TestTable\",\"AttributeDefinitions\":[{\"AttributeName\":\"Id\",\"AttributeType\":\"S\"}],\"ProvisionedThroughput\":{\"WriteCapacityUnits\":5,\"ReadCapacityUnits\":5}}" + input, _ := http.NewRequest("POST", "https://dynamodb.us-east-2.amazonaws.com/", strings.NewReader(requestParams)) + input.Header.Add("Content-Type", "application/x-amz-json-1.0") + input.Header.Add("x-amz-target", "DynamoDB_20120810.CreateTable") + + output, _ := http.NewRequest("POST", "https://dynamodb.us-east-2.amazonaws.com/", strings.NewReader(requestParams)) + output.Header = http.Header{ + "Authorization": []string{"AWS4-HMAC-SHA256 Credential=" + accessKeyId + "/20200811/us-east-2/dynamodb/aws4_request, SignedHeaders=content-type;host;x-amz-date;x-amz-security-token;x-amz-target, Signature=fdaa5b9cc9c86b80fe61eaf504141c0b3523780349120f2bd8145448456e0385"}, + "Host": []string{"dynamodb.us-east-2.amazonaws.com"}, + "X-Amz-Date": []string{"20200811T065522Z"}, + "Content-Type": []string{"application/x-amz-json-1.0"}, + "X-Amz-Target": []string{"DynamoDB_20120810.CreateTable"}, + "X-Amz-Security-Token": []string{securityToken}, + } + + oldNow := now + defer func() { now = oldNow }() + now = setTime(secondDefaultTime) + + testRequestSigner(t, requestSignerWithToken, input, output) +} + +func TestAwsV4Signature_PostRequestWithAmzDateButNoSecurityToken(t *testing.T) { + var requestSigner = &awsRequestSigner{ + RegionName: "us-east-2", + AwsSecurityCredentials: map[string]string{ + "access_key_id": accessKeyId, + "secret_access_key": secretAccessKey, + }, + } + + input, _ := http.NewRequest("POST", "https://sts.us-east-2.amazonaws.com?Action=GetCallerIdentity&Version=2011-06-15", nil) + + output, _ := http.NewRequest("POST", "https://sts.us-east-2.amazonaws.com?Action=GetCallerIdentity&Version=2011-06-15", nil) + output.Header = http.Header{ + "Authorization": []string{"AWS4-HMAC-SHA256 Credential=" + accessKeyId + "/20200811/us-east-2/sts/aws4_request, SignedHeaders=host;x-amz-date, Signature=d095ba304919cd0d5570ba8a3787884ee78b860f268ed040ba23831d55536d56"}, + "Host": []string{"sts.us-east-2.amazonaws.com"}, + "X-Amz-Date": []string{"20200811T065522Z"}, + } + + oldNow := now + defer func() { now = oldNow }() + now = setTime(secondDefaultTime) + + testRequestSigner(t, requestSigner, input, output) +}