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package sign
import (
"bytes"
"crypto"
"crypto/rsa"
"crypto/sha1"
"encoding/base64"
"encoding/json"
"fmt"
"math/rand"
"strings"
"testing"
"time"
)
func TestEpochTimeMarshal(t *testing.T) {
v := AWSEpochTime{time.Now()}
b, err := v.MarshalJSON()
if err != nil {
t.Fatalf("Unexpected error, %#v", err)
}
expected := fmt.Sprintf(`{"AWS:EpochTime":%d}`, v.UTC().Unix())
if string(b) != expected {
t.Errorf("Expected marshaled time to match, expect: %s, actual: %s",
expected, string(b))
}
}
func TestEpochTimeUnmarshal(t *testing.T) {
now := time.Now().Round(time.Second)
data := fmt.Sprintf(`{"AWS:EpochTime":%d}`, now.Unix())
var v AWSEpochTime
err := json.Unmarshal([]byte(data), &v)
if err != nil {
t.Fatalf("Unexpected error, %#v", err)
}
expected := now.UTC()
if v.Time != expected {
t.Errorf("Expected unmarshaled time to match, expect: %s, actual: %s",
expected, v.Time)
}
}
var testCreateResource = []struct {
scheme, u string
expect string
errPrefix string
}{
{
"https", "https://example.com/a?b=1&c=2",
"https://example.com/a?b=1&c=2", "",
},
{
"https", "https://example.com/a?b=1",
"https://example.com/a?b=1", "",
},
{
"http", "http*://example.com/a?b=1",
"http*://example.com/a?b=1", "",
},
{
"rtmp", "https://example.com/a?b=1",
"a?b=1", "",
},
{
"rtmp", "https://example.com/a?b=1&c=2",
"a?b=1&c=2", "",
},
{
"ftp", "ftp://example.com/a?b=1",
"", "invalid URL scheme",
},
}
func TestCreateResource(t *testing.T) {
for i, v := range testCreateResource {
r, err := CreateResource(v.scheme, v.u)
if err != nil {
if v.errPrefix == "" {
t.Errorf("%d, Unexpected error %s", i, err.Error())
continue
}
if !strings.HasPrefix(err.Error(), v.errPrefix) {
t.Errorf("%d, Expected to find prefix\nexpect: %s\nactual: %s", i, v.errPrefix, err.Error())
continue
}
} else if v.errPrefix != "" {
t.Errorf("%d, Expected error %s", i, v.errPrefix)
continue
}
if v.expect != r {
t.Errorf("%d, Expected to find prefix\nexpect: %s\nactual: %s", i, v.expect, r)
}
}
}
var testTime = time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC)
const expectedJSONPolicy = `{"Statement":[{"Resource":"https://example.com/a","Condition":{"DateLessThan":{"AWS:EpochTime":1257894000}}}]}`
const expectedB64Policy = `eyJTdGF0ZW1lbnQiOlt7IlJlc291cmNlIjoiaHR0cHM6Ly9leGFtcGxlLmNvbS9hIiwiQ29uZGl0aW9uIjp7IkRhdGVMZXNzVGhhbiI6eyJBV1M6RXBvY2hUaW1lIjoxMjU3ODk0MDAwfX19XX0=`
func TestEncodePolicy(t *testing.T) {
p := NewCannedPolicy("https://example.com/a", testTime)
b64Policy, jsonPolicy, err := encodePolicy(p)
if err != nil {
t.Fatalf("Unexpected error, %#v", err)
}
if string(jsonPolicy) != expectedJSONPolicy {
t.Errorf("Expected json encoding to match, \nexpect: %s\nactual: %s\n", expectedJSONPolicy, jsonPolicy)
}
if string(b64Policy) != expectedB64Policy {
t.Errorf("Expected b64 encoding to match, \nexpect: %s\nactual: %s\n", expectedB64Policy, b64Policy)
}
}
func TestEncodePolicyWithQueryParams(t *testing.T) {
const (
expectedJSONPolicy = `{"Statement":[{"Resource":"https://example.com/a?b=1&c=2","Condition":{"DateLessThan":{"AWS:EpochTime":1257894000}}}]}`
expectedB64Policy = `eyJTdGF0ZW1lbnQiOlt7IlJlc291cmNlIjoiaHR0cHM6Ly9leGFtcGxlLmNvbS9hP2I9MSZjPTIiLCJDb25kaXRpb24iOnsiRGF0ZUxlc3NUaGFuIjp7IkFXUzpFcG9jaFRpbWUiOjEyNTc4OTQwMDB9fX1dfQ==`
)
p := NewCannedPolicy("https://example.com/a?b=1&c=2", testTime)
b64Policy, jsonPolicy, err := encodePolicy(p)
if err != nil {
t.Fatalf("Unexpected error, %#v", err)
}
if string(jsonPolicy) != expectedJSONPolicy {
t.Errorf("Expected json encoding to match, \nexpect: %s\nactual: %s\n", expectedJSONPolicy, jsonPolicy)
}
if string(b64Policy) != expectedB64Policy {
t.Errorf("Expected b64 encoding to match, \nexpect: %s\nactual: %s\n", expectedB64Policy, b64Policy)
}
}
func TestSignEncodedPolicy(t *testing.T) {
p := NewCannedPolicy("https://example.com/a", testTime)
_, jsonPolicy, err := encodePolicy(p)
if err != nil {
t.Fatalf("Unexpected policy encode error, %#v", err)
}
r := newRandomReader(rand.New(rand.NewSource(1)))
privKey, err := rsa.GenerateKey(r, 1024)
if err != nil {
t.Fatalf("Unexpected priv key error, %#v", err)
}
b64Signature, err := signEncodedPolicy(r, jsonPolicy, privKey)
if err != nil {
t.Fatalf("Unexpected policy sign error, %#v", err)
}
hash := sha1.New()
if _, err = bytes.NewReader(jsonPolicy).WriteTo(hash); err != nil {
t.Fatalf("Unexpected hash error, %#v", err)
}
decodedSig, err := base64.StdEncoding.DecodeString(string(b64Signature))
if err != nil {
t.Fatalf("Unexpected base64 decode signature, %#v", err)
}
if err := rsa.VerifyPKCS1v15(&privKey.PublicKey, crypto.SHA1, hash.Sum(nil), decodedSig); err != nil {
t.Fatalf("Unable to verify signature, %#v", err)
}
}
func TestAWSEscape(t *testing.T) {
expect := "a-b_c~"
actual := []byte("a+b=c/")
awsEscapeEncoded(actual)
if string(actual) != expect {
t.Errorf("expect: %s, actual: %s", expect, string(actual))
}
}
|
