/
v4_test.go
497 lines (423 loc) · 14.8 KB
/
v4_test.go
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package v4
import (
"bytes"
"io"
"io/ioutil"
"net/http"
"net/http/httptest"
"strings"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/aws/request"
"github.com/aws/aws-sdk-go/awstesting"
)
func TestStripExcessHeaders(t *testing.T) {
vals := []string{
"123",
"1 2 3",
" 1 2 3",
"1 2 3",
"1 23",
"1 2 3",
"1 2 ",
" 1 2 ",
}
expected := []string{
"123",
"1 2 3",
"1 2 3",
"1 2 3",
"1 23",
"1 2 3",
"1 2",
"1 2",
}
newVals := stripExcessSpaces(vals)
for i := 0; i < len(newVals); i++ {
assert.Equal(t, expected[i], newVals[i], "test: %d", i)
}
}
func buildRequest(serviceName, region, body string) (*http.Request, io.ReadSeeker) {
endpoint := "https://" + serviceName + "." + region + ".amazonaws.com"
reader := strings.NewReader(body)
req, _ := http.NewRequest("POST", endpoint, reader)
req.URL.Opaque = "//example.org/bucket/key-._~,!@#$%^&*()"
req.Header.Add("X-Amz-Target", "prefix.Operation")
req.Header.Add("Content-Type", "application/x-amz-json-1.0")
req.Header.Add("Content-Length", string(len(body)))
req.Header.Add("X-Amz-Meta-Other-Header", "some-value=!@#$%^&* (+)")
req.Header.Add("X-Amz-Meta-Other-Header_With_Underscore", "some-value=!@#$%^&* (+)")
req.Header.Add("X-amz-Meta-Other-Header_With_Underscore", "some-value=!@#$%^&* (+)")
return req, reader
}
func buildSigner() Signer {
return Signer{
Credentials: credentials.NewStaticCredentials("AKID", "SECRET", "SESSION"),
}
}
func removeWS(text string) string {
text = strings.Replace(text, " ", "", -1)
text = strings.Replace(text, "\n", "", -1)
text = strings.Replace(text, "\t", "", -1)
return text
}
func assertEqual(t *testing.T, expected, given string) {
if removeWS(expected) != removeWS(given) {
t.Errorf("\nExpected: %s\nGiven: %s", expected, given)
}
}
func TestPresignRequest(t *testing.T) {
req, body := buildRequest("dynamodb", "us-east-1", "{}")
signer := buildSigner()
signer.Presign(req, body, "dynamodb", "us-east-1", 300*time.Second, time.Unix(0, 0))
expectedDate := "19700101T000000Z"
expectedHeaders := "content-length;content-type;host;x-amz-meta-other-header;x-amz-meta-other-header_with_underscore"
expectedSig := "ea7856749041f727690c580569738282e99c79355fe0d8f125d3b5535d2ece83"
expectedCred := "AKID/19700101/us-east-1/dynamodb/aws4_request"
expectedTarget := "prefix.Operation"
q := req.URL.Query()
assert.Equal(t, expectedSig, q.Get("X-Amz-Signature"))
assert.Equal(t, expectedCred, q.Get("X-Amz-Credential"))
assert.Equal(t, expectedHeaders, q.Get("X-Amz-SignedHeaders"))
assert.Equal(t, expectedDate, q.Get("X-Amz-Date"))
assert.Empty(t, q.Get("X-Amz-Meta-Other-Header"))
assert.Equal(t, expectedTarget, q.Get("X-Amz-Target"))
}
func TestPresignBodyWithArrayRequest(t *testing.T) {
req, body := buildRequest("dynamodb", "us-east-1", "{}")
req.URL.RawQuery = "Foo=z&Foo=o&Foo=m&Foo=a"
signer := buildSigner()
signer.Presign(req, body, "dynamodb", "us-east-1", 300*time.Second, time.Unix(0, 0))
expectedDate := "19700101T000000Z"
expectedHeaders := "content-length;content-type;host;x-amz-meta-other-header;x-amz-meta-other-header_with_underscore"
expectedSig := "fef6002062400bbf526d70f1a6456abc0fb2e213fe1416012737eebd42a62924"
expectedCred := "AKID/19700101/us-east-1/dynamodb/aws4_request"
expectedTarget := "prefix.Operation"
q := req.URL.Query()
assert.Equal(t, expectedSig, q.Get("X-Amz-Signature"))
assert.Equal(t, expectedCred, q.Get("X-Amz-Credential"))
assert.Equal(t, expectedHeaders, q.Get("X-Amz-SignedHeaders"))
assert.Equal(t, expectedDate, q.Get("X-Amz-Date"))
assert.Empty(t, q.Get("X-Amz-Meta-Other-Header"))
assert.Equal(t, expectedTarget, q.Get("X-Amz-Target"))
}
func TestSignRequest(t *testing.T) {
req, body := buildRequest("dynamodb", "us-east-1", "{}")
signer := buildSigner()
signer.Sign(req, body, "dynamodb", "us-east-1", time.Unix(0, 0))
expectedDate := "19700101T000000Z"
expectedSig := "AWS4-HMAC-SHA256 Credential=AKID/19700101/us-east-1/dynamodb/aws4_request, SignedHeaders=content-length;content-type;host;x-amz-date;x-amz-meta-other-header;x-amz-meta-other-header_with_underscore;x-amz-security-token;x-amz-target, Signature=ea766cabd2ec977d955a3c2bae1ae54f4515d70752f2207618396f20aa85bd21"
q := req.Header
assert.Equal(t, expectedSig, q.Get("Authorization"))
assert.Equal(t, expectedDate, q.Get("X-Amz-Date"))
}
func TestSignBodyS3(t *testing.T) {
req, body := buildRequest("s3", "us-east-1", "hello")
signer := buildSigner()
signer.Sign(req, body, "s3", "us-east-1", time.Now())
hash := req.Header.Get("X-Amz-Content-Sha256")
assert.Equal(t, "2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824", hash)
}
func TestSignBodyGlacier(t *testing.T) {
req, body := buildRequest("glacier", "us-east-1", "hello")
signer := buildSigner()
signer.Sign(req, body, "glacier", "us-east-1", time.Now())
hash := req.Header.Get("X-Amz-Content-Sha256")
assert.Equal(t, "2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824", hash)
}
func TestPresignEmptyBodyS3(t *testing.T) {
req, body := buildRequest("s3", "us-east-1", "hello")
signer := buildSigner()
signer.Presign(req, body, "s3", "us-east-1", 5*time.Minute, time.Now())
hash := req.Header.Get("X-Amz-Content-Sha256")
assert.Equal(t, "UNSIGNED-PAYLOAD", hash)
}
func TestSignPrecomputedBodyChecksum(t *testing.T) {
req, body := buildRequest("dynamodb", "us-east-1", "hello")
req.Header.Set("X-Amz-Content-Sha256", "PRECOMPUTED")
signer := buildSigner()
signer.Sign(req, body, "dynamodb", "us-east-1", time.Now())
hash := req.Header.Get("X-Amz-Content-Sha256")
assert.Equal(t, "PRECOMPUTED", hash)
}
func TestAnonymousCredentials(t *testing.T) {
svc := awstesting.NewClient(&aws.Config{Credentials: credentials.AnonymousCredentials})
r := svc.NewRequest(
&request.Operation{
Name: "BatchGetItem",
HTTPMethod: "POST",
HTTPPath: "/",
},
nil,
nil,
)
SignSDKRequest(r)
urlQ := r.HTTPRequest.URL.Query()
assert.Empty(t, urlQ.Get("X-Amz-Signature"))
assert.Empty(t, urlQ.Get("X-Amz-Credential"))
assert.Empty(t, urlQ.Get("X-Amz-SignedHeaders"))
assert.Empty(t, urlQ.Get("X-Amz-Date"))
hQ := r.HTTPRequest.Header
assert.Empty(t, hQ.Get("Authorization"))
assert.Empty(t, hQ.Get("X-Amz-Date"))
}
func TestIgnoreResignRequestWithValidCreds(t *testing.T) {
svc := awstesting.NewClient(&aws.Config{
Credentials: credentials.NewStaticCredentials("AKID", "SECRET", "SESSION"),
Region: aws.String("us-west-2"),
})
r := svc.NewRequest(
&request.Operation{
Name: "BatchGetItem",
HTTPMethod: "POST",
HTTPPath: "/",
},
nil,
nil,
)
SignSDKRequest(r)
sig := r.HTTPRequest.Header.Get("Authorization")
signSDKRequestWithCurrTime(r, func() time.Time {
// Simulate one second has passed so that signature's date changes
// when it is resigned.
return time.Now().Add(1 * time.Second)
})
assert.NotEqual(t, sig, r.HTTPRequest.Header.Get("Authorization"))
}
func TestIgnorePreResignRequestWithValidCreds(t *testing.T) {
svc := awstesting.NewClient(&aws.Config{
Credentials: credentials.NewStaticCredentials("AKID", "SECRET", "SESSION"),
Region: aws.String("us-west-2"),
})
r := svc.NewRequest(
&request.Operation{
Name: "BatchGetItem",
HTTPMethod: "POST",
HTTPPath: "/",
},
nil,
nil,
)
r.ExpireTime = time.Minute * 10
SignSDKRequest(r)
sig := r.HTTPRequest.URL.Query().Get("X-Amz-Signature")
signSDKRequestWithCurrTime(r, func() time.Time {
// Simulate one second has passed so that signature's date changes
// when it is resigned.
return time.Now().Add(1 * time.Second)
})
assert.NotEqual(t, sig, r.HTTPRequest.URL.Query().Get("X-Amz-Signature"))
}
func TestResignRequestExpiredCreds(t *testing.T) {
creds := credentials.NewStaticCredentials("AKID", "SECRET", "SESSION")
svc := awstesting.NewClient(&aws.Config{Credentials: creds})
r := svc.NewRequest(
&request.Operation{
Name: "BatchGetItem",
HTTPMethod: "POST",
HTTPPath: "/",
},
nil,
nil,
)
SignSDKRequest(r)
querySig := r.HTTPRequest.Header.Get("Authorization")
var origSignedHeaders string
for _, p := range strings.Split(querySig, ", ") {
if strings.HasPrefix(p, "SignedHeaders=") {
origSignedHeaders = p[len("SignedHeaders="):]
break
}
}
assert.NotEmpty(t, origSignedHeaders)
assert.NotContains(t, origSignedHeaders, "authorization")
origSignedAt := r.LastSignedAt
creds.Expire()
signSDKRequestWithCurrTime(r, func() time.Time {
// Simulate one second has passed so that signature's date changes
// when it is resigned.
return time.Now().Add(1 * time.Second)
})
updatedQuerySig := r.HTTPRequest.Header.Get("Authorization")
assert.NotEqual(t, querySig, updatedQuerySig)
var updatedSignedHeaders string
for _, p := range strings.Split(updatedQuerySig, ", ") {
if strings.HasPrefix(p, "SignedHeaders=") {
updatedSignedHeaders = p[len("SignedHeaders="):]
break
}
}
assert.NotEmpty(t, updatedSignedHeaders)
assert.NotContains(t, updatedQuerySig, "authorization")
assert.NotEqual(t, origSignedAt, r.LastSignedAt)
}
func TestPreResignRequestExpiredCreds(t *testing.T) {
provider := &credentials.StaticProvider{Value: credentials.Value{
AccessKeyID: "AKID",
SecretAccessKey: "SECRET",
SessionToken: "SESSION",
}}
creds := credentials.NewCredentials(provider)
svc := awstesting.NewClient(&aws.Config{Credentials: creds})
r := svc.NewRequest(
&request.Operation{
Name: "BatchGetItem",
HTTPMethod: "POST",
HTTPPath: "/",
},
nil,
nil,
)
r.ExpireTime = time.Minute * 10
SignSDKRequest(r)
querySig := r.HTTPRequest.URL.Query().Get("X-Amz-Signature")
signedHeaders := r.HTTPRequest.URL.Query().Get("X-Amz-SignedHeaders")
assert.NotEmpty(t, signedHeaders)
origSignedAt := r.LastSignedAt
creds.Expire()
signSDKRequestWithCurrTime(r, func() time.Time {
// Simulate the request occurred 15 minutes in the past
return time.Now().Add(-48 * time.Hour)
})
assert.NotEqual(t, querySig, r.HTTPRequest.URL.Query().Get("X-Amz-Signature"))
resignedHeaders := r.HTTPRequest.URL.Query().Get("X-Amz-SignedHeaders")
assert.Equal(t, signedHeaders, resignedHeaders)
assert.NotContains(t, signedHeaders, "x-amz-signedHeaders")
assert.NotEqual(t, origSignedAt, r.LastSignedAt)
}
func TestResignRequestExpiredRequest(t *testing.T) {
creds := credentials.NewStaticCredentials("AKID", "SECRET", "SESSION")
svc := awstesting.NewClient(&aws.Config{Credentials: creds})
r := svc.NewRequest(
&request.Operation{
Name: "BatchGetItem",
HTTPMethod: "POST",
HTTPPath: "/",
},
nil,
nil,
)
SignSDKRequest(r)
querySig := r.HTTPRequest.Header.Get("Authorization")
origSignedAt := r.LastSignedAt
signSDKRequestWithCurrTime(r, func() time.Time {
// Simulate the request occurred 15 minutes in the past
return time.Now().Add(15 * time.Minute)
})
assert.NotEqual(t, querySig, r.HTTPRequest.Header.Get("Authorization"))
assert.NotEqual(t, origSignedAt, r.LastSignedAt)
}
func TestSignWithRequestBody(t *testing.T) {
creds := credentials.NewStaticCredentials("AKID", "SECRET", "SESSION")
signer := NewSigner(creds)
expectBody := []byte("abc123")
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
b, err := ioutil.ReadAll(r.Body)
r.Body.Close()
assert.NoError(t, err)
assert.Equal(t, expectBody, b)
w.WriteHeader(http.StatusOK)
}))
req, err := http.NewRequest("POST", server.URL, nil)
_, err = signer.Sign(req, bytes.NewReader(expectBody), "service", "region", time.Now())
assert.NoError(t, err)
resp, err := http.DefaultClient.Do(req)
assert.NoError(t, err)
assert.Equal(t, http.StatusOK, resp.StatusCode)
}
func TestSignWithRequestBody_Overwrite(t *testing.T) {
creds := credentials.NewStaticCredentials("AKID", "SECRET", "SESSION")
signer := NewSigner(creds)
var expectBody []byte
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
b, err := ioutil.ReadAll(r.Body)
r.Body.Close()
assert.NoError(t, err)
assert.Equal(t, len(expectBody), len(b))
w.WriteHeader(http.StatusOK)
}))
req, err := http.NewRequest("GET", server.URL, strings.NewReader("invalid body"))
_, err = signer.Sign(req, nil, "service", "region", time.Now())
req.ContentLength = 0
assert.NoError(t, err)
resp, err := http.DefaultClient.Do(req)
assert.NoError(t, err)
assert.Equal(t, http.StatusOK, resp.StatusCode)
}
func TestBuildCanonicalRequest(t *testing.T) {
req, body := buildRequest("dynamodb", "us-east-1", "{}")
req.URL.RawQuery = "Foo=z&Foo=o&Foo=m&Foo=a"
ctx := &signingCtx{
ServiceName: "dynamodb",
Region: "us-east-1",
Request: req,
Body: body,
Query: req.URL.Query(),
Time: time.Now(),
ExpireTime: 5 * time.Second,
}
ctx.buildCanonicalString()
expected := "https://example.org/bucket/key-._~,!@#$%^&*()?Foo=z&Foo=o&Foo=m&Foo=a"
assert.Equal(t, expected, ctx.Request.URL.String())
}
func TestSignWithBody_ReplaceRequestBody(t *testing.T) {
creds := credentials.NewStaticCredentials("AKID", "SECRET", "SESSION")
req, seekerBody := buildRequest("dynamodb", "us-east-1", "{}")
req.Body = ioutil.NopCloser(bytes.NewReader([]byte{}))
s := NewSigner(creds)
origBody := req.Body
_, err := s.Sign(req, seekerBody, "dynamodb", "us-east-1", time.Now())
if err != nil {
t.Fatalf("expect no error, got %v", err)
}
if req.Body == origBody {
t.Errorf("expeect request body to not be origBody")
}
if req.Body == nil {
t.Errorf("expect request body to be changed but was nil")
}
}
func TestSignWithBody_NoReplaceRequestBody(t *testing.T) {
creds := credentials.NewStaticCredentials("AKID", "SECRET", "SESSION")
req, seekerBody := buildRequest("dynamodb", "us-east-1", "{}")
req.Body = ioutil.NopCloser(bytes.NewReader([]byte{}))
s := NewSigner(creds, func(signer *Signer) {
signer.DisableRequestBodyOverwrite = true
})
origBody := req.Body
_, err := s.Sign(req, seekerBody, "dynamodb", "us-east-1", time.Now())
if err != nil {
t.Fatalf("expect no error, got %v", err)
}
if req.Body != origBody {
t.Errorf("expeect request body to not be chagned")
}
}
func BenchmarkPresignRequest(b *testing.B) {
signer := buildSigner()
req, body := buildRequest("dynamodb", "us-east-1", "{}")
for i := 0; i < b.N; i++ {
signer.Presign(req, body, "dynamodb", "us-east-1", 300*time.Second, time.Now())
}
}
func BenchmarkSignRequest(b *testing.B) {
signer := buildSigner()
req, body := buildRequest("dynamodb", "us-east-1", "{}")
for i := 0; i < b.N; i++ {
signer.Sign(req, body, "dynamodb", "us-east-1", time.Now())
}
}
func BenchmarkStripExcessSpaces(b *testing.B) {
vals := []string{
`AWS4-HMAC-SHA256 Credential=AKIDFAKEIDFAKEID/20160628/us-west-2/s3/aws4_request, SignedHeaders=host;x-amz-date, Signature=1234567890abcdef1234567890abcdef1234567890abcdef`,
`123 321 123 321`,
` 123 321 123 321 `,
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
stripExcessSpaces(vals)
}
}