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apiauth_test.go
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apiauth_test.go
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package apiauth
import (
"bytes"
"crypto/md5"
"encoding/base64"
"net/http"
"testing"
"time"
"github.com/stretchr/testify/require"
)
func base64md5(bytes []byte) string {
sum := md5.Sum(bytes)
return base64.StdEncoding.EncodeToString(sum[:])
}
func TestCanonicalString(t *testing.T) {
req, _ := http.NewRequest("POST", "http://example.com", nil)
require.Equal(t, ",,/,", CanonicalString(req))
req.URL.Path = "/"
require.Equal(t, ",,/,", CanonicalString(req))
req.URL.Path = "/some/path"
require.Equal(t, ",,/some/path,", CanonicalString(req))
req.URL.RawQuery = "x=1&b=2"
require.Equal(t, ",,/some/path?x=1&b=2,", CanonicalString(req))
req.Header.Add("Content-Type", "text/plain")
req.Header.Add("Content-MD5", "WnNni3tnQAUFZDSkgFRwfQ==")
req.Header.Add("Date", "Thu, 19 Mar 2015 19:24:24 GMT")
want := "text/plain,WnNni3tnQAUFZDSkgFRwfQ==,/some/path?x=1&b=2,Thu, 19 Mar 2015 19:24:24 GMT"
require.Equal(t, want, CanonicalString(req))
}
func TestCanonicalStringEncoded(t *testing.T) {
req, _ := http.NewRequest("GET", "http://localhost:9000/search/K/Westcott%20Schaffer/1982-05-17", nil)
want := `GET,,,/search/K/Westcott%20Schaffer/1982-05-17,`
require.Equal(t, want, CanonicalStringWithMethod(req))
}
func TestCanonicalStringWithMethod(t *testing.T) {
req, _ := http.NewRequest("POST", "http://example.com/some/path?x=1&b=2", nil)
req.Header.Add("Content-Type", "text/plain")
req.Header.Add("Content-MD5", "WnNni3tnQAUFZDSkgFRwfQ==")
req.Header.Add("Date", "Thu, 19 Mar 2015 19:24:24 GMT")
want := "POST,text/plain,WnNni3tnQAUFZDSkgFRwfQ==,/some/path?x=1&b=2,Thu, 19 Mar 2015 19:24:24 GMT"
require.Equal(t, want, CanonicalStringWithMethod(req))
req.Method = "get"
want = "GET,text/plain,WnNni3tnQAUFZDSkgFRwfQ==,/some/path?x=1&b=2,Thu, 19 Mar 2015 19:24:24 GMT"
require.Equal(t, want, CanonicalStringWithMethod(req))
}
func TestCompute(t *testing.T) {
canonicalString := "text/plain,WnNni3tnQAUFZDSkgFRwfQ==,/a?b=c,Thu, 19 Mar 2015 19:34:03 GMT"
want := "cMgmUVsq4IiT7baALMM1euHnpCo="
require.Equal(t, want, Compute(canonicalString, "secret"))
}
func TestDateForTime(t *testing.T) {
chi, err := time.LoadLocation("America/Chicago")
require.NoError(t, err)
tm := time.Date(2015, time.March, 19, 14, 34, 03, 0, chi)
require.Equal(t, "Thu, 19 Mar 2015 19:34:03 GMT", DateForTime(tm))
}
func TestDate(t *testing.T) {
require.Equal(t, DateForTime(time.Now()), Date())
}
var sig = `as0dIwNOHAEi7yVHH+QM2kjO5Xw=`
func TestSign(t *testing.T) {
get, _ := http.NewRequest("GET", "http://example.com", nil)
get.Header.Set("Date", "Fri, 20 Mar 2015 19:37:40 GMT")
require.NoError(t, Sign(get, "me", "secret"))
require.Equal(t, "APIAuth me:N7N1BXAWv6+RXos4vSAAd7D0XJY=", get.Header.Get("Authorization"))
post, _ := http.NewRequest("POST", "http://example.com", nil)
post.Header.Set("Date", "Fri, 20 Mar 2015 19:37:40 GMT")
post.Header.Set("Content-Type", "text/plain")
post.Header.Set("Content-MD5", "WnNni3tnQAUFZDSkgFRwfQ==")
require.NoError(t, Sign(post, "me", "secret"))
require.Equal(t, "APIAuth me:/Z/MqEW+v23Cm3w3Ra2mMGH9KFw=", post.Header.Get("Authorization"))
}
func TestSign_AuthorizationHeaderPresent(t *testing.T) {
req, _ := http.NewRequest("GET", "http://example.com", nil)
req.Header.Set("Date", Date())
req.Header.Set("Authorization", "anything")
err := Sign(req, "me", "key")
require.Error(t, err)
}
func TestSign_GETNoDate(t *testing.T) {
secretKey := "secret"
req, _ := http.NewRequest("GET", "http://example.com", nil)
require.Error(t, Sign(req, "me", secretKey))
require.Equal(t, "", req.Header.Get("Authorization"))
req.Header.Set("date", Date())
require.NoError(t, Sign(req, "me", secretKey))
}
func TestSign_WithBody(t *testing.T) {
body := []byte(`post body`)
req, _ := http.NewRequest("POST", "http://example.com", bytes.NewReader(body))
req.Header.Set("Date", Date())
require.Error(t, Sign(req, "me", "secret"))
req.Header.Set("Content-Type", "text/plain")
require.Error(t, Sign(req, "me", "secret"))
req.Header.Set("Content-MD5", base64md5(body))
require.NoError(t, Sign(req, "me", "secret"))
}
func TestSignWithMethod(t *testing.T) {
req, _ := http.NewRequest("POST", "http://example.com/some/path?x=1&b=2", nil)
req.Header.Add("Content-Type", "text/plain")
req.Header.Add("Content-MD5", "WnNni3tnQAUFZDSkgFRwfQ==")
req.Header.Add("Date", "Thu, 19 Mar 2015 19:24:24 GMT")
want := `APIAuth me:43DQKYwiMx3swEwa3raDq5tPxIo=`
require.NoError(t, SignWithMethod(req, "me", "secret"))
require.Equal(t, want, req.Header.Get("Authorization"))
}
func TestSignWithMethod_AuthorizationHeaderPresent(t *testing.T) {
req, _ := http.NewRequest("GET", "http://example.com", nil)
req.Header.Set("Date", Date())
req.Header.Set("Authorization", "anything")
err := SignWithMethod(req, "me", "key")
require.Error(t, err)
}
func TestSignWithMethod_GETNoDate(t *testing.T) {
secretKey := "secret"
req, _ := http.NewRequest("GET", "http://example.com", nil)
require.Error(t, SignWithMethod(req, "me", secretKey))
require.Equal(t, "", req.Header.Get("Authorization"))
req.Header.Set("date", Date())
require.NoError(t, SignWithMethod(req, "me", secretKey))
}
func TestSignWithMethod_WithBody(t *testing.T) {
body := []byte(`post body`)
req, _ := http.NewRequest("POST", "http://example.com", bytes.NewReader(body))
req.Header.Set("Date", Date())
require.Error(t, SignWithMethod(req, "me", "secret"))
req.Header.Set("Content-Type", "text/plain")
require.Error(t, SignWithMethod(req, "me", "secret"))
req.Header.Set("Content-MD5", base64md5(body))
require.NoError(t, SignWithMethod(req, "me", "secret"))
}
func TestParse(t *testing.T) {
_, _, err := Parse("NotAPIAuth here")
require.Error(t, err)
_, _, err = Parse("APIAuth noseparator")
require.Error(t, err)
_, _, err = Parse("APIAuth nosig:")
require.Error(t, err)
_, _, err = Parse("APIAuth :noaccessID")
require.Error(t, err)
id, sig, err := Parse("APIAuth me:sig")
require.Equal(t, "me", id)
require.Equal(t, "sig", sig)
}
func TestVerify(t *testing.T) {
req, _ := http.NewRequest("GET", "http://example.com", nil)
req.Header.Set("Date", "Fri, 20 Mar 2015 19:37:40 GMT")
req.Header.Set("Authorization", "APIAuth me:N7N1BXAWv6+RXos4vSAAd7D0XJY=")
require.NoError(t, Verify(req, "secret"))
}
func TestVerifyNoBody(t *testing.T) {
req, _ := http.NewRequest("GET", "http://example.com", http.NoBody)
req.Header.Set("Date", "Fri, 20 Mar 2015 19:37:40 GMT")
req.Header.Set("Authorization", "APIAuth me:N7N1BXAWv6+RXos4vSAAd7D0XJY=")
require.NoError(t, Verify(req, "secret"))
}
func TestVerify_WithMethod(t *testing.T) {
req, _ := http.NewRequest("POST", "http://example.com/some/path?x=1&b=2", nil)
req.Header.Add("Content-Type", "text/plain")
req.Header.Add("Content-MD5", "WnNni3tnQAUFZDSkgFRwfQ==")
req.Header.Add("Date", "Thu, 19 Mar 2015 19:24:24 GMT")
req.Header.Add("Authorization", `APIAuth me:43DQKYwiMx3swEwa3raDq5tPxIo=`)
require.NoError(t, Verify(req, "secret"))
}
func TestVerify_BadAuthorizationHeader(t *testing.T) {
req, _ := http.NewRequest("GET", "http://example.com", nil)
req.Header.Set("Date", "Fri, 20 Mar 2015 19:37:40 GMT")
require.Error(t, Verify(req, "secret"))
req.Header.Set("Authorization", "something else")
require.Error(t, Verify(req, "secret"))
req.Header.Set("Authorization", "APIAuth nosig:")
require.Error(t, Verify(req, "secret"))
req.Header.Set("Authorization", "APIAuth :noaccessID")
require.Error(t, Verify(req, "secret"))
}
func TestVerify_NoDate(t *testing.T) {
req, _ := http.NewRequest("GET", "http://example.com", nil)
req.Header.Set("Authorization", "APIAuth me:N7N1BXAWv6+RXos4vSAAd7D0XJY=")
require.Error(t, Verify(req, "secret"))
}
func TestVerify_WithBody(t *testing.T) {
body := []byte(`post body`)
req, _ := http.NewRequest("POST", "http://example.com", bytes.NewReader(body))
req.Header.Set("Date", "Fri, 20 Mar 2015 19:37:40 GMT")
req.Header.Set("Content-Type", "text/plain")
req.Header.Set("Content-MD5", "WnNni3tnQAUFZDSkgFRwfQ==")
req.Header.Set("Authorization", "APIAuth me:/Z/MqEW+v23Cm3w3Ra2mMGH9KFw=")
require.NoError(t, Verify(req, "secret"))
req.Header.Del("Content-Type")
require.Error(t, Verify(req, "secret"))
req.Header.Set("Content-Type", "text/plain")
req.Header.Del("Content-MD5")
require.Error(t, Verify(req, "secret"))
}
func TestVerify_AcceptIncorrectMD5(t *testing.T) {
body := []byte(`post body`)
req, _ := http.NewRequest("POST", "http://example.com", bytes.NewReader(body))
req.Header.Set("Date", "Fri, 20 Mar 2015 19:37:40 GMT")
req.Header.Set("Content-Type", "text/plain")
req.Header.Set("Content-MD5", "not actually an md5 but this lib does not care")
req.Header.Set("Authorization", "APIAuth me:wgoGTprhCINnwvwVdThpVHcEPqg=")
require.NoError(t, Verify(req, "secret"))
}