forked from TrueCloudLab/distribution
Update push and pull to registry 2.1 specification
Signed-off-by: Derek McGowan <derek@mcgstyle.net>
This commit is contained in:
Derek McGowan
parent
ee1e1abb15
commit
751a1a8dd0
2 changed files with 151 additions and 200 deletions
53
docs/auth.go
53
docs/auth.go
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@ -37,6 +37,59 @@ type ConfigFile struct {
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rootPath string
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}
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type RequestAuthorization struct {
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Token string
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Username string
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Password string
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}
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func NewRequestAuthorization(authConfig *AuthConfig, registryEndpoint *Endpoint, resource, scope string, actions []string) (*RequestAuthorization, error) {
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var auth RequestAuthorization
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client := &http.Client{
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Transport: &http.Transport{
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DisableKeepAlives: true,
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Proxy: http.ProxyFromEnvironment,
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},
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CheckRedirect: AddRequiredHeadersToRedirectedRequests,
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}
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factory := HTTPRequestFactory(nil)
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for _, challenge := range registryEndpoint.AuthChallenges {
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log.Debugf("Using %q auth challenge with params %s for %s", challenge.Scheme, challenge.Parameters, authConfig.Username)
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switch strings.ToLower(challenge.Scheme) {
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case "basic":
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auth.Username = authConfig.Username
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auth.Password = authConfig.Password
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case "bearer":
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params := map[string]string{}
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for k, v := range challenge.Parameters {
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params[k] = v
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}
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params["scope"] = fmt.Sprintf("%s:%s:%s", resource, scope, strings.Join(actions, ","))
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token, err := getToken(authConfig.Username, authConfig.Password, params, registryEndpoint, client, factory)
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if err != nil {
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return nil, err
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}
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auth.Token = token
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default:
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log.Infof("Unsupported auth scheme: %q", challenge.Scheme)
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}
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}
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return &auth, nil
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}
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func (auth *RequestAuthorization) Authorize(req *http.Request) {
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if auth.Token != "" {
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req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", auth.Token))
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} else if auth.Username != "" && auth.Password != "" {
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req.SetBasicAuth(auth.Username, auth.Password)
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}
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}
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// create a base64 encoded auth string to store in config
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func encodeAuth(authConfig *AuthConfig) string {
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authStr := authConfig.Username + ":" + authConfig.Password
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@ -9,100 +9,34 @@ import (
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"strconv"
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log "github.com/Sirupsen/logrus"
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"github.com/docker/docker/registry/v2"
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"github.com/docker/docker/utils"
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"github.com/gorilla/mux"
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)
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func newV2RegistryRouter() *mux.Router {
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router := mux.NewRouter()
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var registryURLBuilder *v2.URLBuilder
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v2Router := router.PathPrefix("/v2/").Subrouter()
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// Version Info
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v2Router.Path("/version").Name("version")
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// Image Manifests
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v2Router.Path("/manifest/{imagename:[a-z0-9-._/]+}/{tagname:[a-zA-Z0-9-._]+}").Name("manifests")
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// List Image Tags
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v2Router.Path("/tags/{imagename:[a-z0-9-._/]+}").Name("tags")
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// Download a blob
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v2Router.Path("/blob/{imagename:[a-z0-9-._/]+}/{sumtype:[a-z0-9._+-]+}/{sum:[a-fA-F0-9]{4,}}").Name("downloadBlob")
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// Upload a blob
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v2Router.Path("/blob/{imagename:[a-z0-9-._/]+}/{sumtype:[a-z0-9._+-]+}").Name("uploadBlob")
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// Mounting a blob in an image
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v2Router.Path("/blob/{imagename:[a-z0-9-._/]+}/{sumtype:[a-z0-9._+-]+}/{sum:[a-fA-F0-9]{4,}}").Name("mountBlob")
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return router
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}
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// APIVersion2 /v2/
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var v2HTTPRoutes = newV2RegistryRouter()
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func getV2URL(e *Endpoint, routeName string, vars map[string]string) (*url.URL, error) {
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route := v2HTTPRoutes.Get(routeName)
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if route == nil {
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return nil, fmt.Errorf("unknown regisry v2 route name: %q", routeName)
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}
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varReplace := make([]string, 0, len(vars)*2)
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for key, val := range vars {
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varReplace = append(varReplace, key, val)
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}
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routePath, err := route.URLPath(varReplace...)
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if err != nil {
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return nil, fmt.Errorf("unable to make registry route %q with vars %v: %s", routeName, vars, err)
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}
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func init() {
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u, err := url.Parse(REGISTRYSERVER)
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if err != nil {
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return nil, fmt.Errorf("invalid registry url: %s", err)
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panic(fmt.Errorf("invalid registry url: %s", err))
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}
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return &url.URL{
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Scheme: u.Scheme,
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Host: u.Host,
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Path: routePath.Path,
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}, nil
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registryURLBuilder = v2.NewURLBuilder(u)
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}
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// V2 Provenance POC
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func getV2Builder(e *Endpoint) *v2.URLBuilder {
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return registryURLBuilder
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}
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func (r *Session) GetV2Version(token []string) (*RegistryInfo, error) {
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routeURL, err := getV2URL(r.indexEndpoint, "version", nil)
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if err != nil {
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return nil, err
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// GetV2Authorization gets the authorization needed to the given image
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// If readonly access is requested, then only the authorization may
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// only be used for Get operations.
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func (r *Session) GetV2Authorization(imageName string, readOnly bool) (*RequestAuthorization, error) {
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scopes := []string{"pull"}
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if !readOnly {
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scopes = append(scopes, "push")
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}
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method := "GET"
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log.Debugf("[registry] Calling %q %s", method, routeURL.String())
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req, err := r.reqFactory.NewRequest(method, routeURL.String(), nil)
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if err != nil {
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return nil, err
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}
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setTokenAuth(req, token)
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res, _, err := r.doRequest(req)
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if err != nil {
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return nil, err
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}
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defer res.Body.Close()
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if res.StatusCode != 200 {
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return nil, utils.NewHTTPRequestError(fmt.Sprintf("Server error: %d fetching Version", res.StatusCode), res)
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}
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decoder := json.NewDecoder(res.Body)
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versionInfo := new(RegistryInfo)
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err = decoder.Decode(versionInfo)
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if err != nil {
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return nil, fmt.Errorf("unable to decode GetV2Version JSON response: %s", err)
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}
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return versionInfo, nil
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return NewRequestAuthorization(r.GetAuthConfig(true), r.indexEndpoint, "repository", imageName, scopes)
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}
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//
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@ -112,25 +46,20 @@ func (r *Session) GetV2Version(token []string) (*RegistryInfo, error) {
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// 1.c) if anything else, err
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// 2) PUT the created/signed manifest
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//
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func (r *Session) GetV2ImageManifest(imageName, tagName string, token []string) ([]byte, error) {
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vars := map[string]string{
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"imagename": imageName,
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"tagname": tagName,
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}
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routeURL, err := getV2URL(r.indexEndpoint, "manifests", vars)
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func (r *Session) GetV2ImageManifest(imageName, tagName string, auth *RequestAuthorization) ([]byte, error) {
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routeURL, err := getV2Builder(r.indexEndpoint).BuildManifestURL(imageName, tagName)
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if err != nil {
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return nil, err
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}
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method := "GET"
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log.Debugf("[registry] Calling %q %s", method, routeURL.String())
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log.Debugf("[registry] Calling %q %s", method, routeURL)
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req, err := r.reqFactory.NewRequest(method, routeURL.String(), nil)
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req, err := r.reqFactory.NewRequest(method, routeURL, nil)
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if err != nil {
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return nil, err
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}
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setTokenAuth(req, token)
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auth.Authorize(req)
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res, _, err := r.doRequest(req)
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if err != nil {
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return nil, err
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@ -155,26 +84,20 @@ func (r *Session) GetV2ImageManifest(imageName, tagName string, token []string)
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// - Succeeded to mount for this image scope
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// - Failed with no error (So continue to Push the Blob)
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// - Failed with error
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func (r *Session) PostV2ImageMountBlob(imageName, sumType, sum string, token []string) (bool, error) {
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vars := map[string]string{
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"imagename": imageName,
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"sumtype": sumType,
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"sum": sum,
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}
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routeURL, err := getV2URL(r.indexEndpoint, "mountBlob", vars)
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func (r *Session) PostV2ImageMountBlob(imageName, sumType, sum string, auth *RequestAuthorization) (bool, error) {
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routeURL, err := getV2Builder(r.indexEndpoint).BuildBlobURL(imageName, sumType+":"+sum)
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if err != nil {
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return false, err
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}
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method := "POST"
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log.Debugf("[registry] Calling %q %s", method, routeURL.String())
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method := "HEAD"
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log.Debugf("[registry] Calling %q %s", method, routeURL)
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req, err := r.reqFactory.NewRequest(method, routeURL.String(), nil)
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req, err := r.reqFactory.NewRequest(method, routeURL, nil)
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if err != nil {
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return false, err
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}
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setTokenAuth(req, token)
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auth.Authorize(req)
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res, _, err := r.doRequest(req)
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if err != nil {
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return false, err
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@ -191,25 +114,19 @@ func (r *Session) PostV2ImageMountBlob(imageName, sumType, sum string, token []s
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return false, fmt.Errorf("Failed to mount %q - %s:%s : %d", imageName, sumType, sum, res.StatusCode)
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}
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func (r *Session) GetV2ImageBlob(imageName, sumType, sum string, blobWrtr io.Writer, token []string) error {
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vars := map[string]string{
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"imagename": imageName,
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"sumtype": sumType,
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"sum": sum,
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}
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routeURL, err := getV2URL(r.indexEndpoint, "downloadBlob", vars)
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func (r *Session) GetV2ImageBlob(imageName, sumType, sum string, blobWrtr io.Writer, auth *RequestAuthorization) error {
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routeURL, err := getV2Builder(r.indexEndpoint).BuildBlobURL(imageName, sumType+":"+sum)
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if err != nil {
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return err
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}
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method := "GET"
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log.Debugf("[registry] Calling %q %s", method, routeURL.String())
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req, err := r.reqFactory.NewRequest(method, routeURL.String(), nil)
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log.Debugf("[registry] Calling %q %s", method, routeURL)
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req, err := r.reqFactory.NewRequest(method, routeURL, nil)
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if err != nil {
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return err
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}
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setTokenAuth(req, token)
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auth.Authorize(req)
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res, _, err := r.doRequest(req)
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if err != nil {
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return err
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@ -226,25 +143,19 @@ func (r *Session) GetV2ImageBlob(imageName, sumType, sum string, blobWrtr io.Wri
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return err
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}
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func (r *Session) GetV2ImageBlobReader(imageName, sumType, sum string, token []string) (io.ReadCloser, int64, error) {
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vars := map[string]string{
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"imagename": imageName,
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"sumtype": sumType,
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"sum": sum,
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}
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routeURL, err := getV2URL(r.indexEndpoint, "downloadBlob", vars)
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func (r *Session) GetV2ImageBlobReader(imageName, sumType, sum string, auth *RequestAuthorization) (io.ReadCloser, int64, error) {
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routeURL, err := getV2Builder(r.indexEndpoint).BuildBlobURL(imageName, sumType+":"+sum)
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if err != nil {
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return nil, 0, err
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}
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method := "GET"
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log.Debugf("[registry] Calling %q %s", method, routeURL.String())
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req, err := r.reqFactory.NewRequest(method, routeURL.String(), nil)
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log.Debugf("[registry] Calling %q %s", method, routeURL)
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req, err := r.reqFactory.NewRequest(method, routeURL, nil)
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if err != nil {
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return nil, 0, err
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}
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setTokenAuth(req, token)
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auth.Authorize(req)
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res, _, err := r.doRequest(req)
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if err != nil {
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return nil, 0, err
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@ -267,85 +178,76 @@ func (r *Session) GetV2ImageBlobReader(imageName, sumType, sum string, token []s
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// Push the image to the server for storage.
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// 'layer' is an uncompressed reader of the blob to be pushed.
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// The server will generate it's own checksum calculation.
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func (r *Session) PutV2ImageBlob(imageName, sumType, sumStr string, blobRdr io.Reader, token []string) (serverChecksum string, err error) {
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vars := map[string]string{
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"imagename": imageName,
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"sumtype": sumType,
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func (r *Session) PutV2ImageBlob(imageName, sumType, sumStr string, blobRdr io.Reader, auth *RequestAuthorization) error {
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routeURL, err := getV2Builder(r.indexEndpoint).BuildBlobUploadURL(imageName)
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if err != nil {
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return err
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}
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routeURL, err := getV2URL(r.indexEndpoint, "uploadBlob", vars)
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log.Debugf("[registry] Calling %q %s", "POST", routeURL)
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req, err := r.reqFactory.NewRequest("POST", routeURL, nil)
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if err != nil {
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return "", err
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return err
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}
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method := "PUT"
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log.Debugf("[registry] Calling %q %s", method, routeURL.String())
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req, err := r.reqFactory.NewRequest(method, routeURL.String(), blobRdr)
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if err != nil {
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return "", err
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}
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setTokenAuth(req, token)
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req.Header.Set("X-Tarsum", sumStr)
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auth.Authorize(req)
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res, _, err := r.doRequest(req)
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if err != nil {
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return "", err
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return err
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}
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location := res.Header.Get("Location")
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method := "PUT"
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log.Debugf("[registry] Calling %q %s", method, location)
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req, err = r.reqFactory.NewRequest(method, location, blobRdr)
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if err != nil {
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return err
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}
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queryParams := url.Values{}
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queryParams.Add("digest", sumType+":"+sumStr)
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req.URL.RawQuery = queryParams.Encode()
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auth.Authorize(req)
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res, _, err = r.doRequest(req)
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if err != nil {
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return err
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}
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defer res.Body.Close()
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if res.StatusCode != 201 {
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if res.StatusCode == 401 {
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return "", errLoginRequired
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}
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return "", utils.NewHTTPRequestError(fmt.Sprintf("Server error: %d trying to push %s blob", res.StatusCode, imageName), res)
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}
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type sumReturn struct {
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Checksum string `json:"checksum"`
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}
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decoder := json.NewDecoder(res.Body)
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var sumInfo sumReturn
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err = decoder.Decode(&sumInfo)
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if err != nil {
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return "", fmt.Errorf("unable to decode PutV2ImageBlob JSON response: %s", err)
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}
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if sumInfo.Checksum != sumStr {
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return "", fmt.Errorf("failed checksum comparison. serverChecksum: %q, localChecksum: %q", sumInfo.Checksum, sumStr)
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}
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// XXX this is a json struct from the registry, with its checksum
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return sumInfo.Checksum, nil
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}
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// Finally Push the (signed) manifest of the blobs we've just pushed
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func (r *Session) PutV2ImageManifest(imageName, tagName string, manifestRdr io.Reader, token []string) error {
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vars := map[string]string{
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"imagename": imageName,
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"tagname": tagName,
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}
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routeURL, err := getV2URL(r.indexEndpoint, "manifests", vars)
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if err != nil {
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return err
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}
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method := "PUT"
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log.Debugf("[registry] Calling %q %s", method, routeURL.String())
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req, err := r.reqFactory.NewRequest(method, routeURL.String(), manifestRdr)
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if err != nil {
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return err
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}
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setTokenAuth(req, token)
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res, _, err := r.doRequest(req)
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if err != nil {
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return err
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}
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res.Body.Close()
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if res.StatusCode != 201 {
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if res.StatusCode == 401 {
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return errLoginRequired
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}
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return utils.NewHTTPRequestError(fmt.Sprintf("Server error: %d trying to push %s blob", res.StatusCode, imageName), res)
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}
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return nil
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}
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// Finally Push the (signed) manifest of the blobs we've just pushed
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func (r *Session) PutV2ImageManifest(imageName, tagName string, manifestRdr io.Reader, auth *RequestAuthorization) error {
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routeURL, err := getV2Builder(r.indexEndpoint).BuildManifestURL(imageName, tagName)
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if err != nil {
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return err
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}
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method := "PUT"
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log.Debugf("[registry] Calling %q %s", method, routeURL)
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req, err := r.reqFactory.NewRequest(method, routeURL, manifestRdr)
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if err != nil {
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return err
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}
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auth.Authorize(req)
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res, _, err := r.doRequest(req)
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if err != nil {
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return err
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}
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b, _ := ioutil.ReadAll(res.Body)
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res.Body.Close()
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if res.StatusCode != 200 {
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if res.StatusCode == 401 {
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return errLoginRequired
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}
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log.Debugf("Unexpected response from server: %q %#v", b, res.Header)
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return utils.NewHTTPRequestError(fmt.Sprintf("Server error: %d trying to push %s:%s manifest", res.StatusCode, imageName, tagName), res)
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}
|
||||
|
||||
|
|
@ -353,24 +255,20 @@ func (r *Session) PutV2ImageManifest(imageName, tagName string, manifestRdr io.R
|
|||
}
|
||||
|
||||
// Given a repository name, returns a json array of string tags
|
||||
func (r *Session) GetV2RemoteTags(imageName string, token []string) ([]string, error) {
|
||||
vars := map[string]string{
|
||||
"imagename": imageName,
|
||||
}
|
||||
|
||||
routeURL, err := getV2URL(r.indexEndpoint, "tags", vars)
|
||||
func (r *Session) GetV2RemoteTags(imageName string, auth *RequestAuthorization) ([]string, error) {
|
||||
routeURL, err := getV2Builder(r.indexEndpoint).BuildTagsURL(imageName)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
method := "GET"
|
||||
log.Debugf("[registry] Calling %q %s", method, routeURL.String())
|
||||
log.Debugf("[registry] Calling %q %s", method, routeURL)
|
||||
|
||||
req, err := r.reqFactory.NewRequest(method, routeURL.String(), nil)
|
||||
req, err := r.reqFactory.NewRequest(method, routeURL, nil)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
setTokenAuth(req, token)
|
||||
auth.Authorize(req)
|
||||
res, _, err := r.doRequest(req)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
|
|
|
|||
Loading…
Reference in a new issue