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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| package validate | ||
|
|
||
| import ( | ||
| "github.com/cheqd/cheqd-node/x/cheqd/types" | ||
| "github.com/cheqd/cheqd-node/x/cheqd/utils" | ||
| ) | ||
|
|
||
| var SupportedVerificationMethodTypes = []string{"Ed25519VerificationKey2020"} | ||
|
|
||
| func IsVerificationMethodTypeSupported(type_ string) bool { | ||
| return utils.Contains(SupportedVerificationMethodTypes, type_) | ||
| } | ||
|
|
||
| func IsVerificationMethodSupported(vm *types.VerificationMethod) bool { | ||
| return IsVerificationMethodTypeSupported(vm.Type) | ||
| } | ||
|
|
||
| func ValidateSignature() { | ||
| // TODO: Implement | ||
| } | ||
|
|
||
| // TODO: Think about different key types | ||
| //func (v VerificationMethod) GetPublicKey() ([]byte, error) { | ||
| // if len(v.PublicKeyMultibase) > 0 { | ||
| // _, key, err := multibase.Decode(v.PublicKeyMultibase) | ||
| // if err != nil { | ||
| // return nil, ErrInvalidPublicKey.Wrapf("Cannot decode verification method '%s' public key", v.Id) | ||
| // } | ||
| // return key, nil | ||
| // } | ||
| // | ||
| // if len(v.PublicKeyJwk) > 0 { | ||
| // return nil, ErrInvalidPublicKey.Wrap("JWK format not supported") | ||
| // } | ||
| // | ||
| // return nil, ErrInvalidPublicKey.Wrapf("verification method '%s' public key not found", v.Id) | ||
| //} | ||
|
|
||
|
|
||
| //func (k *Keeper) VerifySignature(ctx *sdk.Context, msg types.IdentityMsg, signers []types.Signer, signatures []*types.SignInfo) error { | ||
| // if len(signers) == 0 { | ||
| // return types.ErrInvalidSignature.Wrap("At least one signer should be present") | ||
| // } | ||
| // | ||
| // if len(signatures) == 0 { | ||
| // return types.ErrInvalidSignature.Wrap("At least one signature should be present") | ||
| // } | ||
| // | ||
| // signingInput := msg.GetSignBytes() | ||
| // | ||
| // for _, signer := range signers { | ||
| // if signer.VerificationMethod == nil { | ||
| // state, err := k.GetDid(ctx, signer.Signer) | ||
| // if err != nil { | ||
| // return types.ErrDidDocNotFound.Wrap(signer.Signer) | ||
| // } | ||
| // | ||
| // didDoc, err := state.UnpackDataAsDid() | ||
| // if err != nil { | ||
| // return types.ErrDidDocNotFound.Wrap(signer.Signer) | ||
| // } | ||
| // | ||
| // signer.Authentication = didDoc.Authentication | ||
| // signer.VerificationMethod = didDoc.VerificationMethod | ||
| // } | ||
| // | ||
| // valid, err := VerifyIdentitySignature(signer, signatures, signingInput) | ||
| // if err != nil { | ||
| // return sdkerrors.Wrap(types.ErrInvalidSignature, err.Error()) | ||
| // } | ||
| // | ||
| // if !valid { | ||
| // return sdkerrors.Wrap(types.ErrInvalidSignature, signer.Signer) | ||
| // } | ||
| // } | ||
| // | ||
| // return nil | ||
| //} | ||
| // | ||
| //func (k *Keeper) ValidateController(ctx *sdk.Context, id string, controller string) error { | ||
| // if id == controller { | ||
| // return nil | ||
| // } | ||
| // state, err := k.GetDid(ctx, controller) | ||
| // if err != nil { | ||
| // return types.ErrDidDocNotFound.Wrap(controller) | ||
| // } | ||
| // didDoc, err := state.UnpackDataAsDid() | ||
| // if err != nil { | ||
| // return types.ErrDidDocNotFound.Wrap(controller) | ||
| // } | ||
| // if len(didDoc.Authentication) == 0 { | ||
| // return types.ErrBadRequestInvalidVerMethod.Wrap( | ||
| // fmt.Sprintf("Verificatition method controller %s doesn't have an authentication keys", controller)) | ||
| // } | ||
| // return nil | ||
| //} | ||
| // | ||
| //func VerifyIdentitySignature(signer types.Signer, signatures []*types.SignInfo, signingInput []byte) (bool, error) { | ||
| // result := true | ||
| // foundOne := false | ||
| // | ||
| // for _, info := range signatures { | ||
| // did, _ := utils.SplitDidUrlIntoDidAndFragment(info.VerificationMethodId) | ||
| // if did == signer.Signer { | ||
| // pubKey, err := FindPublicKey(signer, info.VerificationMethodId) | ||
| // if err != nil { | ||
| // return false, err | ||
| // } | ||
| // | ||
| // signature, err := base64.StdEncoding.DecodeString(info.Signature) | ||
| // if err != nil { | ||
| // return false, err | ||
| // } | ||
| // | ||
| // result = result && ed25519.Verify(pubKey, signingInput, signature) | ||
| // foundOne = true | ||
| // } | ||
| // } | ||
| // | ||
| // if !foundOne { | ||
| // return false, fmt.Errorf("signature %s not found", signer.Signer) | ||
| // } | ||
| // | ||
| // return result, nil | ||
| //} |
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