mirror of
https://github.com/edgelesssys/constellation.git
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128 lines
3.9 KiB
Go
128 lines
3.9 KiB
Go
/*
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Copyright (c) Edgeless Systems GmbH
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SPDX-License-Identifier: AGPL-3.0-only
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*/
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package attestationconfigapi
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import (
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"encoding/json"
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"fmt"
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"path"
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"sort"
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"strings"
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"github.com/edgelesssys/constellation/v2/internal/attestation/variant"
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)
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// AttestationURLPath is the URL path to the attestation versions.
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const AttestationURLPath = "constellation/v1/attestation"
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// SEVSNPVersion tracks the latest version of each component for SEV-SNP.
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type SEVSNPVersion struct {
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// Bootloader is the latest version of the SEV-SNP bootloader.
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Bootloader uint8 `json:"bootloader"`
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// TEE is the latest version of the SEV-SNP TEE.
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TEE uint8 `json:"tee"`
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// SNP is the latest version of the SEV-SNP SNP.
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SNP uint8 `json:"snp"`
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// Microcode is the latest version of the SEV-SNP microcode.
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Microcode uint8 `json:"microcode"`
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}
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// TDXVersion tracks the latest version of each component for TDX.
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type TDXVersion struct {
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// QESVN is the latest QE security version number.
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QESVN uint16 `json:"qeSVN"`
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// PCESVN is the latest PCE security version number.
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PCESVN uint16 `json:"pceSVN"`
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// TEETCBSVN are the latest component-wise security version numbers for the TEE.
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TEETCBSVN [16]byte `json:"teeTCBSVN"`
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// QEVendorID is the latest QE vendor ID.
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QEVendorID [16]byte `json:"qeVendorID"`
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// XFAM is the latest XFAM field.
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XFAM [8]byte `json:"xfam"`
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}
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// Entry is the request to get the version information of the specific version in the config api.
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//
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// TODO: Because variant is not part of the marshalled JSON, fetcher and client methods need to fill the variant property.
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// In API v2 we should embed the variant in the object and remove some code from fetcher & client.
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// That would remove the possibility of some fetcher/client code forgetting to set the variant.
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type Entry struct {
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Version string `json:"-"`
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Variant variant.Variant `json:"-"`
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SEVSNPVersion
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TDXVersion
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}
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// JSONPath returns the path to the JSON file for the request to the config api.
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func (i Entry) JSONPath() string {
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return path.Join(AttestationURLPath, i.Variant.String(), i.Version)
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}
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// ValidateRequest validates the request.
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func (i Entry) ValidateRequest() error {
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if !strings.HasSuffix(i.Version, ".json") {
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return fmt.Errorf("version has no .json suffix")
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}
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return nil
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}
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// Validate is a No-Op at the moment.
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func (i Entry) Validate() error {
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return nil
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}
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// List is the request to retrieve of all versions in the API for one attestation variant.
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//
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// TODO: Because variant is not part of the marshalled JSON, fetcher and client methods need to fill the variant property.
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// In API v2 we should embed the variant in the object and remove some code from fetcher & client.
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// That would remove the possibility of some fetcher/client code forgetting to set the variant.
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type List struct {
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Variant variant.Variant
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List []string
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}
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// MarshalJSON marshals the i's list property to JSON.
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func (i List) MarshalJSON() ([]byte, error) {
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return json.Marshal(i.List)
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}
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// UnmarshalJSON unmarshals a list of strings into i's list property.
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func (i *List) UnmarshalJSON(data []byte) error {
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return json.Unmarshal(data, &i.List)
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}
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// JSONPath returns the path to the JSON file for the request to the config api.
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func (i List) JSONPath() string {
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return path.Join(AttestationURLPath, i.Variant.String(), "list")
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}
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// ValidateRequest is a NoOp as there is no input.
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func (i List) ValidateRequest() error {
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return nil
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}
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// SortReverse sorts the list of versions in reverse order.
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func (i *List) SortReverse() {
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sort.Sort(sort.Reverse(sort.StringSlice(i.List)))
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}
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// AddVersion adds new to i's list and sorts the element in descending order.
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func (i *List) AddVersion(new string) {
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i.List = append(i.List, new)
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i.List = variant.RemoveDuplicate(i.List)
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i.SortReverse()
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}
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// Validate validates the response.
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func (i List) Validate() error {
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if len(i.List) < 1 {
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return fmt.Errorf("no versions found in /list")
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}
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return nil
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}
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