package libpod import ( "context" "encoding/json" "fmt" "io/ioutil" "net/http" "net/url" "strings" "github.com/containers/image/v5/docker/reference" "github.com/containers/image/v5/manifest" "github.com/containers/image/v5/types" "github.com/containers/podman/v4/libpod" "github.com/containers/podman/v4/pkg/api/handlers" "github.com/containers/podman/v4/pkg/api/handlers/utils" api "github.com/containers/podman/v4/pkg/api/types" "github.com/containers/podman/v4/pkg/auth" "github.com/containers/podman/v4/pkg/domain/entities" "github.com/containers/podman/v4/pkg/domain/infra/abi" "github.com/containers/podman/v4/pkg/errorhandling" "github.com/gorilla/mux" "github.com/gorilla/schema" "github.com/opencontainers/go-digest" "github.com/pkg/errors" ) func ManifestCreate(w http.ResponseWriter, r *http.Request) { runtime := r.Context().Value(api.RuntimeKey).(*libpod.Runtime) decoder := r.Context().Value(api.DecoderKey).(*schema.Decoder) query := struct { Name string `schema:"name"` Images []string `schema:"images"` All bool `schema:"all"` }{ // Add defaults here once needed. } // Support 3.x API calls, alias image to images if image, ok := r.URL.Query()["image"]; ok { query.Images = image } if err := decoder.Decode(&query, r.URL.Query()); err != nil { utils.Error(w, http.StatusBadRequest, errors.Wrapf(err, "failed to parse parameters for %s", r.URL.String())) return } // Support 4.x API calls, map query parameter to path if name, ok := mux.Vars(r)["name"]; ok { n, err := url.QueryUnescape(name) if err != nil { utils.Error(w, http.StatusBadRequest, errors.Wrapf(err, "failed to parse name parameter %q", name)) return } query.Name = n } if _, err := reference.ParseNormalizedNamed(query.Name); err != nil { utils.Error(w, http.StatusBadRequest, errors.Wrapf(err, "invalid image name %s", query.Name)) return } imageEngine := abi.ImageEngine{Libpod: runtime} createOptions := entities.ManifestCreateOptions{All: query.All} manID, err := imageEngine.ManifestCreate(r.Context(), query.Name, query.Images, createOptions) if err != nil { utils.InternalServerError(w, err) return } status := http.StatusOK if _, err := utils.SupportedVersion(r, "< 4.0.0"); err == utils.ErrVersionNotSupported { status = http.StatusCreated } buffer, err := ioutil.ReadAll(r.Body) if err != nil { utils.InternalServerError(w, err) return } // Treat \r\n as empty body if len(buffer) < 3 { utils.WriteResponse(w, status, handlers.IDResponse{ID: manID}) return } body := new(entities.ManifestModifyOptions) if err := json.Unmarshal(buffer, body); err != nil { utils.InternalServerError(w, errors.Wrap(err, "Decode()")) return } // gather all images for manifest list var images []string if len(query.Images) > 0 { images = append(query.Images) } if len(body.Images) > 0 { images = append(body.Images) } id, err := imageEngine.ManifestAdd(r.Context(), query.Name, images, body.ManifestAddOptions) if err != nil { utils.InternalServerError(w, err) return } utils.WriteResponse(w, status, handlers.IDResponse{ID: id}) } // ManifestExists return true if manifest list exists. func ManifestExists(w http.ResponseWriter, r *http.Request) { runtime := r.Context().Value(api.RuntimeKey).(*libpod.Runtime) name := utils.GetName(r) imageEngine := abi.ImageEngine{Libpod: runtime} report, err := imageEngine.ManifestExists(r.Context(), name) if err != nil { utils.Error(w, http.StatusInternalServerError, err) return } if !report.Value { utils.Error(w, http.StatusNotFound, errors.New("manifest not found")) return } utils.WriteResponse(w, http.StatusNoContent, "") } func ManifestInspect(w http.ResponseWriter, r *http.Request) { runtime := r.Context().Value(api.RuntimeKey).(*libpod.Runtime) name := utils.GetName(r) imageEngine := abi.ImageEngine{Libpod: runtime} rawManifest, err := imageEngine.ManifestInspect(r.Context(), name) if err != nil { utils.Error(w, http.StatusNotFound, err) return } var schema2List manifest.Schema2List if err := json.Unmarshal(rawManifest, &schema2List); err != nil { utils.Error(w, http.StatusInternalServerError, err) return } utils.WriteResponse(w, http.StatusOK, schema2List) } // ManifestAdd remove digest from manifest list // // Deprecated: As of 4.0.0 use ManifestModify instead func ManifestAdd(w http.ResponseWriter, r *http.Request) { runtime := r.Context().Value(api.RuntimeKey).(*libpod.Runtime) // Wrapper to support 3.x with 4.x libpod query := struct { entities.ManifestAddOptions Images []string }{} if err := json.NewDecoder(r.Body).Decode(&query); err != nil { utils.Error(w, http.StatusInternalServerError, errors.Wrap(err, "Decode()")) return } name := utils.GetName(r) if _, err := runtime.LibimageRuntime().LookupManifestList(name); err != nil { utils.Error(w, http.StatusNotFound, err) return } imageEngine := abi.ImageEngine{Libpod: runtime} newID, err := imageEngine.ManifestAdd(r.Context(), name, query.Images, query.ManifestAddOptions) if err != nil { utils.InternalServerError(w, err) return } utils.WriteResponse(w, http.StatusOK, handlers.IDResponse{ID: newID}) } // ManifestRemoveDigest remove digest from manifest list // // Deprecated: As of 4.0.0 use ManifestModify instead func ManifestRemoveDigest(w http.ResponseWriter, r *http.Request) { runtime := r.Context().Value(api.RuntimeKey).(*libpod.Runtime) decoder := r.Context().Value(api.DecoderKey).(*schema.Decoder) query := struct { Digest string `schema:"digest"` }{ // Add defaults here once needed. } name := utils.GetName(r) if err := decoder.Decode(&query, r.URL.Query()); err != nil { utils.Error(w, http.StatusBadRequest, errors.Wrapf(err, "failed to parse parameters for %s", r.URL.String())) return } manifestList, err := runtime.LibimageRuntime().LookupManifestList(name) if err != nil { utils.Error(w, http.StatusNotFound, err) return } d, err := digest.Parse(query.Digest) if err != nil { utils.Error(w, http.StatusBadRequest, err) return } if err := manifestList.RemoveInstance(d); err != nil { utils.InternalServerError(w, err) return } utils.WriteResponse(w, http.StatusOK, handlers.IDResponse{ID: manifestList.ID()}) } // ManifestPushV3 push image to registry // // Deprecated: As of 4.0.0 use ManifestPush instead func ManifestPushV3(w http.ResponseWriter, r *http.Request) { runtime := r.Context().Value(api.RuntimeKey).(*libpod.Runtime) decoder := r.Context().Value(api.DecoderKey).(*schema.Decoder) query := struct { All bool `schema:"all"` Destination string `schema:"destination"` TLSVerify bool `schema:"tlsVerify"` }{ // Add defaults here once needed. } if err := decoder.Decode(&query, r.URL.Query()); err != nil { utils.Error(w, http.StatusBadRequest, errors.Wrapf(err, "failed to parse parameters for %s", r.URL.String())) return } if err := utils.IsRegistryReference(query.Destination); err != nil { utils.Error(w, http.StatusBadRequest, err) return } source := utils.GetName(r) authconf, authfile, err := auth.GetCredentials(r) if err != nil { utils.Error(w, http.StatusBadRequest, err) return } defer auth.RemoveAuthfile(authfile) var username, password string if authconf != nil { username = authconf.Username password = authconf.Password } options := entities.ImagePushOptions{ Authfile: authfile, Username: username, Password: password, All: query.All, } if sys := runtime.SystemContext(); sys != nil { options.CertDir = sys.DockerCertPath } if _, found := r.URL.Query()["tlsVerify"]; found { options.SkipTLSVerify = types.NewOptionalBool(!query.TLSVerify) } imageEngine := abi.ImageEngine{Libpod: runtime} digest, err := imageEngine.ManifestPush(context.Background(), source, query.Destination, options) if err != nil { utils.Error(w, http.StatusBadRequest, errors.Wrapf(err, "error pushing image %q", query.Destination)) return } utils.WriteResponse(w, http.StatusOK, digest) } // ManifestPush push image to registry // // As of 4.0.0 func ManifestPush(w http.ResponseWriter, r *http.Request) { runtime := r.Context().Value(api.RuntimeKey).(*libpod.Runtime) decoder := r.Context().Value(api.DecoderKey).(*schema.Decoder) query := struct { All bool `schema:"all"` TLSVerify bool `schema:"tlsVerify"` }{ // Add defaults here once needed. } if err := decoder.Decode(&query, r.URL.Query()); err != nil { utils.Error(w, http.StatusBadRequest, errors.Wrapf(err, "failed to parse parameters for %s", r.URL.String())) return } destination := utils.GetVar(r, "destination") if err := utils.IsRegistryReference(destination); err != nil { utils.Error(w, http.StatusBadRequest, err) return } authconf, authfile, err := auth.GetCredentials(r) if err != nil { utils.Error(w, http.StatusBadRequest, errors.Wrapf(err, "failed to parse registry header for %s", r.URL.String())) return } defer auth.RemoveAuthfile(authfile) var username, password string if authconf != nil { username = authconf.Username password = authconf.Password } options := entities.ImagePushOptions{ Authfile: authfile, Username: username, Password: password, All: query.All, } if sys := runtime.SystemContext(); sys != nil { options.CertDir = sys.DockerCertPath } if _, found := r.URL.Query()["tlsVerify"]; found { options.SkipTLSVerify = types.NewOptionalBool(!query.TLSVerify) } imageEngine := abi.ImageEngine{Libpod: runtime} source := utils.GetName(r) digest, err := imageEngine.ManifestPush(context.Background(), source, destination, options) if err != nil { utils.Error(w, http.StatusBadRequest, errors.Wrapf(err, "error pushing image %q", destination)) return } utils.WriteResponse(w, http.StatusOK, handlers.IDResponse{ID: digest}) } // ManifestModify efficiently updates the named manifest list func ManifestModify(w http.ResponseWriter, r *http.Request) { runtime := r.Context().Value(api.RuntimeKey).(*libpod.Runtime) imageEngine := abi.ImageEngine{Libpod: runtime} body := new(entities.ManifestModifyOptions) if err := json.NewDecoder(r.Body).Decode(body); err != nil { utils.Error(w, http.StatusInternalServerError, errors.Wrap(err, "Decode()")) return } name := utils.GetName(r) if _, err := runtime.LibimageRuntime().LookupManifestList(name); err != nil { utils.Error(w, http.StatusNotFound, err) return } var report entities.ManifestModifyReport switch { case strings.EqualFold("update", body.Operation): id, err := imageEngine.ManifestAdd(r.Context(), name, body.Images, body.ManifestAddOptions) if err != nil { report.Errors = append(report.Errors, err) break } report = entities.ManifestModifyReport{ ID: id, Images: body.Images, } case strings.EqualFold("remove", body.Operation): for _, image := range body.Images { id, err := imageEngine.ManifestRemoveDigest(r.Context(), name, image) if err != nil { report.Errors = append(report.Errors, err) continue } report.ID = id report.Images = append(report.Images, image) } case strings.EqualFold("annotate", body.Operation): options := entities.ManifestAnnotateOptions{ Annotation: body.Annotation, Arch: body.Arch, Features: body.Features, OS: body.OS, OSFeatures: body.OSFeatures, OSVersion: body.OSVersion, Variant: body.Variant, } for _, image := range body.Images { id, err := imageEngine.ManifestAnnotate(r.Context(), name, image, options) if err != nil { report.Errors = append(report.Errors, err) continue } report.ID = id report.Images = append(report.Images, image) } default: utils.Error(w, http.StatusBadRequest, fmt.Errorf("illegal operation %q for %q", body.Operation, r.URL.String())) return } statusCode := http.StatusOK switch { case len(report.Errors) > 0 && len(report.Images) > 0: statusCode = http.StatusConflict case len(report.Errors) > 0: statusCode = http.StatusInternalServerError } utils.WriteResponse(w, statusCode, report) } // ManifestDelete removes a manifest list from storage func ManifestDelete(w http.ResponseWriter, r *http.Request) { runtime := r.Context().Value(api.RuntimeKey).(*libpod.Runtime) imageEngine := abi.ImageEngine{Libpod: runtime} name := utils.GetName(r) if _, err := runtime.LibimageRuntime().LookupManifestList(name); err != nil { utils.Error(w, http.StatusNotFound, err) return } results, errs := imageEngine.ManifestRm(r.Context(), []string{name}) errsString := errorhandling.ErrorsToStrings(errs) report := handlers.LibpodImagesRemoveReport{ ImageRemoveReport: *results, Errors: errsString, } utils.WriteResponse(w, http.StatusOK, report) }