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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,152 @@ | ||
| // SPDX-FileCopyrightText: 2023 SAP SE or an SAP affiliate company and Open Component Model contributors. | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
|
|
||
| package sign | ||
|
|
||
| import ( | ||
| "crypto/x509/pkix" | ||
| "fmt" | ||
| "strings" | ||
|
|
||
| "github.com/spf13/cobra" | ||
| "github.com/spf13/pflag" | ||
|
|
||
| "github.com/open-component-model/ocm/cmds/ocm/commands/misccmds/names" | ||
| "github.com/open-component-model/ocm/cmds/ocm/commands/verbs" | ||
| "github.com/open-component-model/ocm/cmds/ocm/pkg/utils" | ||
| "github.com/open-component-model/ocm/pkg/contexts/clictx" | ||
| "github.com/open-component-model/ocm/pkg/contexts/ocm/attrs/signingattr" | ||
| "github.com/open-component-model/ocm/pkg/contexts/ocm/compdesc" | ||
| "github.com/open-component-model/ocm/pkg/errors" | ||
| "github.com/open-component-model/ocm/pkg/out" | ||
| "github.com/open-component-model/ocm/pkg/signing" | ||
| "github.com/open-component-model/ocm/pkg/signing/handlers/rsa" | ||
| "github.com/open-component-model/ocm/pkg/signing/signutils" | ||
| utils2 "github.com/open-component-model/ocm/pkg/utils" | ||
| ) | ||
|
|
||
| var ( | ||
| Names = names.Hash | ||
| Verb = verbs.Sign | ||
| ) | ||
|
|
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| type Command struct { | ||
| utils.BaseCommand | ||
|
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| pubFile string | ||
| rootFile string | ||
|
|
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| stype string | ||
| priv signutils.GenericPrivateKey | ||
| pub signutils.GenericPublicKey | ||
| roots signutils.GenericCertificatePool | ||
| htype string | ||
| hash string | ||
|
|
||
| issuer *pkix.Name | ||
| hasher signing.Hasher | ||
| signer signing.Signer | ||
| } | ||
|
|
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| var _ utils.OCMCommand = (*Command)(nil) | ||
|
|
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| // NewCommand creates a new artifact command. | ||
| func NewCommand(ctx clictx.Context, names ...string) *cobra.Command { | ||
| return utils.SetupCommand(&Command{BaseCommand: utils.NewBaseCommand(ctx)}, utils.Names(Names, names...)...) | ||
| } | ||
|
|
||
| func (o *Command) ForName(name string) *cobra.Command { | ||
| return &cobra.Command{ | ||
| Use: "<private key file> <hash> [<issuer>]", | ||
| Short: "sign hash", | ||
| Long: ` | ||
| Print the signature for a dedicated digest value. | ||
| `, | ||
| Example: ` | ||
| $ ocm sign hash key.priv SHA-256:810ff2fb242a5dee4220f2cb0e6a519891fb67f2f828a6cab4ef8894633b1f50 | ||
| `, | ||
| } | ||
| } | ||
|
|
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| func (o *Command) AddFlags(set *pflag.FlagSet) { | ||
| set.StringVarP(&o.stype, "algorithm", "S", rsa.Algorithm, "signature algorithm") | ||
| set.StringVarP(&o.pubFile, "publicKey", "", "", "public key certificate file") | ||
| set.StringVarP(&o.rootFile, "rootCerts", "", "", "root certificates file") | ||
| } | ||
|
|
||
| func (o *Command) Complete(args []string) error { | ||
| var err error | ||
|
|
||
| if len(args) < 2 { | ||
| return fmt.Errorf("key file and hash argumnt required") | ||
| } | ||
| if len(args) > 3 { | ||
| return fmt.Errorf("too many arguments") | ||
| } | ||
| if len(args) == 3 { | ||
| o.issuer, err = signutils.ParseDN(args[2]) | ||
| if err != nil { | ||
| return errors.Wrapf(err, "issuer") | ||
| } | ||
| } | ||
|
|
||
| if o.pubFile != "" { | ||
| o.pub, err = utils2.ReadFile(o.pubFile, o.FileSystem()) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| if o.rootFile != "" { | ||
| roots, err := utils2.ReadFile(o.rootFile, o.FileSystem()) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| o.roots, err = signutils.GetCertPool(roots, false) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| o.priv, err = utils2.ReadFile(args[0], o.FileSystem()) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| if i := strings.Index(args[1], ":"); i <= 0 { | ||
| return fmt.Errorf("hash type missing for hash string") | ||
| } else { | ||
| o.htype = args[1][:i] | ||
| o.hash = args[1][i+1:] | ||
| } | ||
|
|
||
| reg := signingattr.Get(o.Context) | ||
| o.hasher = reg.GetHasher(o.htype) | ||
| if o.hasher == nil { | ||
| return errors.ErrUnknown(compdesc.KIND_HASH_ALGORITHM, o.htype) | ||
| } | ||
| o.signer = reg.GetSigner(o.stype) | ||
| if o.signer == nil { | ||
| return errors.ErrUnknown(compdesc.KIND_SIGN_ALGORITHM, o.stype) | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (o *Command) Run() error { | ||
| sctx := &signing.DefaultSigningContext{ | ||
| Hash: o.hasher.Crypto(), | ||
| PrivateKey: o.priv, | ||
| PublicKey: o.pub, | ||
| RootCerts: o.roots, | ||
| Issuer: o.issuer, | ||
| } | ||
| sig, err := o.signer.Sign(o.Context.CredentialsContext(), o.hash, sctx) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| out.Outf(o, "algorithm: %s\n", sig.Algorithm) | ||
| out.Outf(o, "mediaType: %s\n", sig.MediaType) | ||
| out.Outf(o, "value: %s\n", sig.Value) | ||
| return nil | ||
| } |
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