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Merge pull request #2047 from dmcgowan/fix-authorization-error

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Add OAuth error for client
This commit is contained in:
Stephen Day 2016-11-09 18:03:38 -08:00 committed by GitHub
commit e04e6ddd2c
9 changed files with 76 additions and 42 deletions
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2
registry/client/auth/addr.go → registry/client/auth/challenge/addr.go
View file

@ -1,4 +1,4 @@
package auth
package challenge
import (
"net/url"

20
registry/client/auth/authchallenge.go → registry/client/auth/challenge/authchallenge.go
View file

@ -1,4 +1,4 @@
package auth
package challenge
import (
"fmt"
@ -18,12 +18,12 @@ type Challenge struct {
Parameters map[string]string
}
// ChallengeManager manages the challenges for endpoints.
// Manager manages the challenges for endpoints.
// The challenges are pulled out of HTTP responses. Only
// responses which expect challenges should be added to
// the manager, since a non-unauthorized request will be
// viewed as not requiring challenges.
type ChallengeManager interface {
type Manager interface {
// GetChallenges returns the challenges for the given
// endpoint URL.
GetChallenges(endpoint url.URL) ([]Challenge, error)
@ -37,19 +37,19 @@ type ChallengeManager interface {
AddResponse(resp *http.Response) error
}
// NewSimpleChallengeManager returns an instance of
// ChallengeManger which only maps endpoints to challenges
// NewSimpleManager returns an instance of
// Manger which only maps endpoints to challenges
// based on the responses which have been added the
// manager. The simple manager will make no attempt to
// perform requests on the endpoints or cache the responses
// to a backend.
func NewSimpleChallengeManager() ChallengeManager {
return &simpleChallengeManager{
func NewSimpleManager() Manager {
return &simpleManager{
Challanges: make(map[string][]Challenge),
}
}
type simpleChallengeManager struct {
type simpleManager struct {
sync.RWMutex
Challanges map[string][]Challenge
}
@ -59,7 +59,7 @@ func normalizeURL(endpoint *url.URL) {
endpoint.Host = canonicalAddr(endpoint)
}
func (m *simpleChallengeManager) GetChallenges(endpoint url.URL) ([]Challenge, error) {
func (m *simpleManager) GetChallenges(endpoint url.URL) ([]Challenge, error) {
normalizeURL(&endpoint)
m.RLock()
@ -68,7 +68,7 @@ func (m *simpleChallengeManager) GetChallenges(endpoint url.URL) ([]Challenge, e
return challenges, nil
}
func (m *simpleChallengeManager) AddResponse(resp *http.Response) error {
func (m *simpleManager) AddResponse(resp *http.Response) error {
challenges := ResponseChallenges(resp)
if resp.Request == nil {
return fmt.Errorf("missing request reference")

6
registry/client/auth/authchallenge_test.go → registry/client/auth/challenge/authchallenge_test.go
View file

@ -1,4 +1,4 @@
package auth
package challenge
import (
"fmt"
@ -50,7 +50,7 @@ func TestAuthChallengeNormalization(t *testing.T) {
func testAuthChallengeNormalization(t *testing.T, host string) {
scm := NewSimpleChallengeManager()
scm := NewSimpleManager()
url, err := url.Parse(fmt.Sprintf("http://%s/v2/", host))
if err != nil {
@ -86,7 +86,7 @@ func testAuthChallengeNormalization(t *testing.T, host string) {
func testAuthChallengeConcurrent(t *testing.T, host string) {
scm := NewSimpleChallengeManager()
scm := NewSimpleManager()
url, err := url.Parse(fmt.Sprintf("http://%s/v2/", host))
if err != nil {

11
registry/client/auth/session.go
View file

@ -12,6 +12,7 @@ import (
"github.com/Sirupsen/logrus"
"github.com/docker/distribution/registry/client"
"github.com/docker/distribution/registry/client/auth/challenge"
"github.com/docker/distribution/registry/client/transport"
)
@ -58,7 +59,7 @@ type CredentialStore interface {
// schemes. The handlers are tried in order, the higher priority authentication
// methods should be first. The challengeMap holds a list of challenges for
// a given root API endpoint (for example "https://registry-1.docker.io/v2/").
func NewAuthorizer(manager ChallengeManager, handlers ...AuthenticationHandler) transport.RequestModifier {
func NewAuthorizer(manager challenge.Manager, handlers ...AuthenticationHandler) transport.RequestModifier {
return &endpointAuthorizer{
challenges: manager,
handlers: handlers,
@ -66,7 +67,7 @@ func NewAuthorizer(manager ChallengeManager, handlers ...AuthenticationHandler)
}
type endpointAuthorizer struct {
challenges ChallengeManager
challenges challenge.Manager
handlers []AuthenticationHandler
transport http.RoundTripper
}
@ -94,11 +95,11 @@ func (ea *endpointAuthorizer) ModifyRequest(req *http.Request) error {
if len(challenges) > 0 {
for _, handler := range ea.handlers {
for _, challenge := range challenges {
if challenge.Scheme != handler.Scheme() {
for _, c := range challenges {
if c.Scheme != handler.Scheme() {
continue
}
if err := handler.AuthorizeRequest(req, challenge.Parameters); err != nil {
if err := handler.AuthorizeRequest(req, c.Parameters); err != nil {
return err
}
}

23
registry/client/auth/session_test.go
View file

@ -9,6 +9,7 @@ import (
"testing"
"time"
"github.com/docker/distribution/registry/client/auth/challenge"
"github.com/docker/distribution/registry/client/transport"
"github.com/docker/distribution/testutil"
)
@ -65,7 +66,7 @@ func testServerWithAuth(rrm testutil.RequestResponseMap, authenticate string, au
// 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) {
func ping(manager challenge.Manager, endpoint, versionHeader string) ([]APIVersion, error) {
resp, err := http.Get(endpoint)
if err != nil {
return nil, err
@ -149,7 +150,7 @@ func TestEndpointAuthorizeToken(t *testing.T) {
e, c := testServerWithAuth(m, authenicate, validCheck)
defer c()
challengeManager1 := NewSimpleChallengeManager()
challengeManager1 := challenge.NewSimpleManager()
versions, err := ping(challengeManager1, e+"/v2/", "x-api-version")
if err != nil {
t.Fatal(err)
@ -176,7 +177,7 @@ func TestEndpointAuthorizeToken(t *testing.T) {
e2, c2 := testServerWithAuth(m, authenicate, validCheck)
defer c2()
challengeManager2 := NewSimpleChallengeManager()
challengeManager2 := challenge.NewSimpleManager()
versions, err = ping(challengeManager2, e2+"/v2/", "x-multi-api-version")
if err != nil {
t.Fatal(err)
@ -273,7 +274,7 @@ func TestEndpointAuthorizeRefreshToken(t *testing.T) {
e, c := testServerWithAuth(m, authenicate, validCheck)
defer c()
challengeManager1 := NewSimpleChallengeManager()
challengeManager1 := challenge.NewSimpleManager()
versions, err := ping(challengeManager1, e+"/v2/", "x-api-version")
if err != nil {
t.Fatal(err)
@ -306,7 +307,7 @@ func TestEndpointAuthorizeRefreshToken(t *testing.T) {
e2, c2 := testServerWithAuth(m, authenicate, validCheck)
defer c2()
challengeManager2 := NewSimpleChallengeManager()
challengeManager2 := challenge.NewSimpleManager()
versions, err = ping(challengeManager2, e2+"/v2/", "x-api-version")
if err != nil {
t.Fatal(err)
@ -339,7 +340,7 @@ func TestEndpointAuthorizeRefreshToken(t *testing.T) {
e3, c3 := testServerWithAuth(m, authenicate, validCheck)
defer c3()
challengeManager3 := NewSimpleChallengeManager()
challengeManager3 := challenge.NewSimpleManager()
versions, err = ping(challengeManager3, e3+"/v2/", "x-api-version")
if err != nil {
t.Fatal(err)
@ -401,7 +402,7 @@ func TestEndpointAuthorizeV2RefreshToken(t *testing.T) {
e, c := testServerWithAuth(m, authenicate, validCheck)
defer c()
challengeManager1 := NewSimpleChallengeManager()
challengeManager1 := challenge.NewSimpleManager()
versions, err := ping(challengeManager1, e+"/v2/", "x-api-version")
if err != nil {
t.Fatal(err)
@ -496,7 +497,7 @@ func TestEndpointAuthorizeTokenBasic(t *testing.T) {
password: password,
}
challengeManager := NewSimpleChallengeManager()
challengeManager := challenge.NewSimpleManager()
_, err := ping(challengeManager, e+"/v2/", "")
if err != nil {
t.Fatal(err)
@ -614,7 +615,7 @@ func TestEndpointAuthorizeTokenBasicWithExpiresIn(t *testing.T) {
password: password,
}
challengeManager := NewSimpleChallengeManager()
challengeManager := challenge.NewSimpleManager()
_, err := ping(challengeManager, e+"/v2/", "")
if err != nil {
t.Fatal(err)
@ -765,7 +766,7 @@ func TestEndpointAuthorizeTokenBasicWithExpiresInAndIssuedAt(t *testing.T) {
password: password,
}
challengeManager := NewSimpleChallengeManager()
challengeManager := challenge.NewSimpleManager()
_, err := ping(challengeManager, e+"/v2/", "")
if err != nil {
t.Fatal(err)
@ -845,7 +846,7 @@ func TestEndpointAuthorizeBasic(t *testing.T) {
password: password,
}
challengeManager := NewSimpleChallengeManager()
challengeManager := challenge.NewSimpleManager()
_, err := ping(challengeManager, e+"/v2/", "")
if err != nil {
t.Fatal(err)

39
registry/client/errors.go
View file

@ -9,6 +9,7 @@ import (
"net/http"
"github.com/docker/distribution/registry/api/errcode"
"github.com/docker/distribution/registry/client/auth/challenge"
)
// ErrNoErrorsInBody is returned when an HTTP response body parses to an empty
@ -37,6 +38,25 @@ func (e *UnexpectedHTTPResponseError) Error() string {
return fmt.Sprintf("error parsing HTTP %d response body: %s: %q", e.StatusCode, e.ParseErr.Error(), string(e.Response))
}
// OAuthError is returned when the request could not be authorized
// using the provided oauth token. This could represent a lack of
// permission or invalid token given from a token server.
// See https://tools.ietf.org/html/rfc6750#section-3
type OAuthError struct {
// ErrorCode is a code defined in https://tools.ietf.org/html/rfc6750#section-3.1
ErrorCode string
// Description is the error description associated with the error code
Description string
}
func (e *OAuthError) Error() string {
if e.Description != "" {
return fmt.Sprintf("oauth error %q: %s", e.ErrorCode, e.Description)
}
return fmt.Sprintf("oauth error %q", e.ErrorCode)
}
func parseHTTPErrorResponse(statusCode int, r io.Reader) error {
var errors errcode.Errors
body, err := ioutil.ReadAll(r)
@ -87,16 +107,25 @@ func parseHTTPErrorResponse(statusCode int, r io.Reader) error {
// UnexpectedHTTPStatusError returned for response code outside of expected
// range.
func HandleErrorResponse(resp *http.Response) error {
if resp.StatusCode == 401 {
if resp.StatusCode >= 400 && resp.StatusCode < 500 {
// Check for OAuth errors within the `WWW-Authenticate` header first
for _, c := range challenge.ResponseChallenges(resp) {
if c.Scheme == "bearer" {
errStr := c.Parameters["error"]
if errStr != "" {
return &OAuthError{
ErrorCode: errStr,
Description: c.Parameters["error_description"],
}
}
}
}
err := parseHTTPErrorResponse(resp.StatusCode, resp.Body)
if uErr, ok := err.(*UnexpectedHTTPResponseError); ok {
if uErr, ok := err.(*UnexpectedHTTPResponseError); ok && resp.StatusCode == 401 {
return errcode.ErrorCodeUnauthorized.WithDetail(uErr.Response)
}
return err
}
if resp.StatusCode >= 400 && resp.StatusCode < 500 {
return parseHTTPErrorResponse(resp.StatusCode, resp.Body)
}
return &UnexpectedHTTPStatusError{Status: resp.Status}
}

5
registry/proxy/proxyauth.go
View file

@ -7,6 +7,7 @@ import (
"github.com/docker/distribution/context"
"github.com/docker/distribution/registry/client/auth"
"github.com/docker/distribution/registry/client/auth/challenge"
)
const challengeHeader = "Docker-Distribution-Api-Version"
@ -62,7 +63,7 @@ func getAuthURLs(remoteURL string) ([]string, error) {
}
defer resp.Body.Close()
for _, c := range auth.ResponseChallenges(resp) {
for _, c := range challenge.ResponseChallenges(resp) {
if strings.EqualFold(c.Scheme, "bearer") {
authURLs = append(authURLs, c.Parameters["realm"])
}
@ -71,7 +72,7 @@ func getAuthURLs(remoteURL string) ([]string, error) {
return authURLs, nil
}
func ping(manager auth.ChallengeManager, endpoint, versionHeader string) error {
func ping(manager challenge.Manager, endpoint, versionHeader string) error {
resp, err := http.Get(endpoint)
if err != nil {
return err

3
registry/proxy/proxymanifeststore_test.go
View file

@ -12,6 +12,7 @@ import (
"github.com/docker/distribution/manifest/schema1"
"github.com/docker/distribution/reference"
"github.com/docker/distribution/registry/client/auth"
"github.com/docker/distribution/registry/client/auth/challenge"
"github.com/docker/distribution/registry/proxy/scheduler"
"github.com/docker/distribution/registry/storage"
"github.com/docker/distribution/registry/storage/cache/memory"
@ -77,7 +78,7 @@ func (m *mockChallenger) credentialStore() auth.CredentialStore {
return nil
}
func (m *mockChallenger) challengeManager() auth.ChallengeManager {
func (m *mockChallenger) challengeManager() challenge.Manager {
return nil
}

9
registry/proxy/proxyregistry.go
View file

@ -12,6 +12,7 @@ import (
"github.com/docker/distribution/reference"
"github.com/docker/distribution/registry/client"
"github.com/docker/distribution/registry/client/auth"
"github.com/docker/distribution/registry/client/auth/challenge"
"github.com/docker/distribution/registry/client/transport"
"github.com/docker/distribution/registry/proxy/scheduler"
"github.com/docker/distribution/registry/storage"
@ -102,7 +103,7 @@ func NewRegistryPullThroughCache(ctx context.Context, registry distribution.Name
remoteURL: *remoteURL,
authChallenger: &remoteAuthChallenger{
remoteURL: *remoteURL,
cm: auth.NewSimpleChallengeManager(),
cm: challenge.NewSimpleManager(),
cs: cs,
},
}, nil
@ -177,14 +178,14 @@ func (pr *proxyingRegistry) BlobStatter() distribution.BlobStatter {
// authChallenger encapsulates a request to the upstream to establish credential challenges
type authChallenger interface {
tryEstablishChallenges(context.Context) error
challengeManager() auth.ChallengeManager
challengeManager() challenge.Manager
credentialStore() auth.CredentialStore
}
type remoteAuthChallenger struct {
remoteURL url.URL
sync.Mutex
cm auth.ChallengeManager
cm challenge.Manager
cs auth.CredentialStore
}
@ -192,7 +193,7 @@ func (r *remoteAuthChallenger) credentialStore() auth.CredentialStore {
return r.cs
}
func (r *remoteAuthChallenger) challengeManager() auth.ChallengeManager {
func (r *remoteAuthChallenger) challengeManager() challenge.Manager {
return r.cm
}