distribution/registry/client/auth/session_test.go

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package auth
import (
"encoding/base64"
"fmt"
"net/http"
"net/http/httptest"
"net/url"
"testing"
"github.com/docker/distribution/registry/client/transport"
"github.com/docker/distribution/testutil"
)
func testServer(rrm testutil.RequestResponseMap) (string, func()) {
h := testutil.NewHandler(rrm)
s := httptest.NewServer(h)
return s.URL, s.Close
}
type testAuthenticationWrapper struct {
headers http.Header
authCheck func(string) bool
next http.Handler
}
func (w *testAuthenticationWrapper) ServeHTTP(rw http.ResponseWriter, r *http.Request) {
auth := r.Header.Get("Authorization")
if auth == "" || !w.authCheck(auth) {
h := rw.Header()
for k, values := range w.headers {
h[k] = values
}
rw.WriteHeader(http.StatusUnauthorized)
return
}
w.next.ServeHTTP(rw, r)
}
func testServerWithAuth(rrm testutil.RequestResponseMap, authenticate string, authCheck func(string) bool) (string, func()) {
h := testutil.NewHandler(rrm)
wrapper := &testAuthenticationWrapper{
headers: http.Header(map[string][]string{
"X-API-Version": {"registry/2.0"},
"X-Multi-API-Version": {"registry/2.0", "registry/2.1", "trust/1.0"},
"WWW-Authenticate": {authenticate},
}),
authCheck: authCheck,
next: h,
}
s := httptest.NewServer(wrapper)
return s.URL, s.Close
}
// ping pings the provided endpoint to determine its required authorization challenges.
// If a version header is provided, the versions will be returned.
func ping(manager ChallengeManager, endpoint, versionHeader string) ([]APIVersion, error) {
resp, err := http.Get(endpoint)
if err != nil {
return nil, err
}
defer resp.Body.Close()
if err := manager.AddResponse(resp); err != nil {
return nil, err
}
return APIVersions(resp, versionHeader), err
}
type testCredentialStore struct {
username string
password string
}
func (tcs *testCredentialStore) Basic(*url.URL) (string, string) {
return tcs.username, tcs.password
}
func TestEndpointAuthorizeToken(t *testing.T) {
service := "localhost.localdomain"
repo1 := "some/registry"
repo2 := "other/registry"
scope1 := fmt.Sprintf("repository:%s:pull,push", repo1)
scope2 := fmt.Sprintf("repository:%s:pull,push", repo2)
tokenMap := testutil.RequestResponseMap([]testutil.RequestResponseMapping{
{
Request: testutil.Request{
Method: "GET",
Route: fmt.Sprintf("/token?scope=%s&service=%s", url.QueryEscape(scope1), service),
},
Response: testutil.Response{
StatusCode: http.StatusOK,
Body: []byte(`{"token":"statictoken"}`),
},
},
{
Request: testutil.Request{
Method: "GET",
Route: fmt.Sprintf("/token?scope=%s&service=%s", url.QueryEscape(scope2), service),
},
Response: testutil.Response{
StatusCode: http.StatusOK,
Body: []byte(`{"token":"badtoken"}`),
},
},
})
te, tc := testServer(tokenMap)
defer tc()
m := testutil.RequestResponseMap([]testutil.RequestResponseMapping{
{
Request: testutil.Request{
Method: "GET",
Route: "/v2/hello",
},
Response: testutil.Response{
StatusCode: http.StatusAccepted,
},
},
})
authenicate := fmt.Sprintf("Bearer realm=%q,service=%q", te+"/token", service)
validCheck := func(a string) bool {
return a == "Bearer statictoken"
}
e, c := testServerWithAuth(m, authenicate, validCheck)
defer c()
challengeManager1 := NewSimpleChallengeManager()
versions, err := ping(challengeManager1, e+"/v2/", "x-api-version")
if err != nil {
t.Fatal(err)
}
if len(versions) != 1 {
t.Fatalf("Unexpected version count: %d, expected 1", len(versions))
}
if check := (APIVersion{Type: "registry", Version: "2.0"}); versions[0] != check {
t.Fatalf("Unexpected api version: %#v, expected %#v", versions[0], check)
}
transport1 := transport.NewTransport(nil, NewAuthorizer(challengeManager1, NewTokenHandler(nil, nil, repo1, "pull", "push")))
client := &http.Client{Transport: transport1}
req, _ := http.NewRequest("GET", e+"/v2/hello", nil)
resp, err := client.Do(req)
if err != nil {
t.Fatalf("Error sending get request: %s", err)
}
if resp.StatusCode != http.StatusAccepted {
t.Fatalf("Unexpected status code: %d, expected %d", resp.StatusCode, http.StatusAccepted)
}
badCheck := func(a string) bool {
return a == "Bearer statictoken"
}
e2, c2 := testServerWithAuth(m, authenicate, badCheck)
defer c2()
challengeManager2 := NewSimpleChallengeManager()
versions, err = ping(challengeManager2, e+"/v2/", "x-multi-api-version")
if err != nil {
t.Fatal(err)
}
if len(versions) != 3 {
t.Fatalf("Unexpected version count: %d, expected 3", len(versions))
}
if check := (APIVersion{Type: "registry", Version: "2.0"}); versions[0] != check {
t.Fatalf("Unexpected api version: %#v, expected %#v", versions[0], check)
}
if check := (APIVersion{Type: "registry", Version: "2.1"}); versions[1] != check {
t.Fatalf("Unexpected api version: %#v, expected %#v", versions[1], check)
}
if check := (APIVersion{Type: "trust", Version: "1.0"}); versions[2] != check {
t.Fatalf("Unexpected api version: %#v, expected %#v", versions[2], check)
}
transport2 := transport.NewTransport(nil, NewAuthorizer(challengeManager2, NewTokenHandler(nil, nil, repo2, "pull", "push")))
client2 := &http.Client{Transport: transport2}
req, _ = http.NewRequest("GET", e2+"/v2/hello", nil)
resp, err = client2.Do(req)
if err != nil {
t.Fatalf("Error sending get request: %s", err)
}
if resp.StatusCode != http.StatusUnauthorized {
t.Fatalf("Unexpected status code: %d, expected %d", resp.StatusCode, http.StatusUnauthorized)
}
}
func basicAuth(username, password string) string {
auth := username + ":" + password
return base64.StdEncoding.EncodeToString([]byte(auth))
}
func TestEndpointAuthorizeTokenBasic(t *testing.T) {
service := "localhost.localdomain"
repo := "some/fun/registry"
scope := fmt.Sprintf("repository:%s:pull,push", repo)
username := "tokenuser"
password := "superSecretPa$$word"
tokenMap := testutil.RequestResponseMap([]testutil.RequestResponseMapping{
{
Request: testutil.Request{
Method: "GET",
Route: fmt.Sprintf("/token?account=%s&scope=%s&service=%s", username, url.QueryEscape(scope), service),
},
Response: testutil.Response{
StatusCode: http.StatusOK,
Body: []byte(`{"token":"statictoken"}`),
},
},
})
authenicate1 := fmt.Sprintf("Basic realm=localhost")
basicCheck := func(a string) bool {
return a == fmt.Sprintf("Basic %s", basicAuth(username, password))
}
te, tc := testServerWithAuth(tokenMap, authenicate1, basicCheck)
defer tc()
m := testutil.RequestResponseMap([]testutil.RequestResponseMapping{
{
Request: testutil.Request{
Method: "GET",
Route: "/v2/hello",
},
Response: testutil.Response{
StatusCode: http.StatusAccepted,
},
},
})
authenicate2 := fmt.Sprintf("Bearer realm=%q,service=%q", te+"/token", service)
bearerCheck := func(a string) bool {
return a == "Bearer statictoken"
}
e, c := testServerWithAuth(m, authenicate2, bearerCheck)
defer c()
creds := &testCredentialStore{
username: username,
password: password,
}
challengeManager := NewSimpleChallengeManager()
_, err := ping(challengeManager, e+"/v2/", "")
if err != nil {
t.Fatal(err)
}
transport1 := transport.NewTransport(nil, NewAuthorizer(challengeManager, NewTokenHandler(nil, creds, repo, "pull", "push"), NewBasicHandler(creds)))
client := &http.Client{Transport: transport1}
req, _ := http.NewRequest("GET", e+"/v2/hello", nil)
resp, err := client.Do(req)
if err != nil {
t.Fatalf("Error sending get request: %s", err)
}
if resp.StatusCode != http.StatusAccepted {
t.Fatalf("Unexpected status code: %d, expected %d", resp.StatusCode, http.StatusAccepted)
}
}
func TestEndpointAuthorizeBasic(t *testing.T) {
m := testutil.RequestResponseMap([]testutil.RequestResponseMapping{
{
Request: testutil.Request{
Method: "GET",
Route: "/v2/hello",
},
Response: testutil.Response{
StatusCode: http.StatusAccepted,
},
},
})
username := "user1"
password := "funSecretPa$$word"
authenicate := fmt.Sprintf("Basic realm=localhost")
validCheck := func(a string) bool {
return a == fmt.Sprintf("Basic %s", basicAuth(username, password))
}
e, c := testServerWithAuth(m, authenicate, validCheck)
defer c()
creds := &testCredentialStore{
username: username,
password: password,
}
challengeManager := NewSimpleChallengeManager()
_, err := ping(challengeManager, e+"/v2/", "")
if err != nil {
t.Fatal(err)
}
transport1 := transport.NewTransport(nil, NewAuthorizer(challengeManager, NewBasicHandler(creds)))
client := &http.Client{Transport: transport1}
req, _ := http.NewRequest("GET", e+"/v2/hello", nil)
resp, err := client.Do(req)
if err != nil {
t.Fatalf("Error sending get request: %s", err)
}
if resp.StatusCode != http.StatusAccepted {
t.Fatalf("Unexpected status code: %d, expected %d", resp.StatusCode, http.StatusAccepted)
}
}