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feat: [OIDC4VP] Request Attestation VC by Verifier
Signed-off-by: Mykhailo Sizov <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| # | ||
| # Copyright Avast Software. All Rights Reserved. | ||
| # | ||
| # SPDX-License-Identifier: Apache-2.0 | ||
| # | ||
|
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| ARG GO_VER | ||
| ARG GO_IMAGE | ||
| ARG ALPINE_VER | ||
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| FROM ${GO_IMAGE}:${GO_VER}-alpine${ALPINE_VER} as builder | ||
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| RUN apk update && apk add git && apk add ca-certificates | ||
| RUN adduser -D -g '' appuser | ||
| COPY . $GOPATH/src/github.com/trustbloc/vcs/test/bdd/trustregistry/ | ||
| WORKDIR $GOPATH/src/github.com/trustbloc/vcs/test/bdd/trustregistry/ | ||
| ARG GO_PROXY | ||
| RUN GOPROXY=${GO_PROXY} CGO_ENABLED=0 go build -o /usr/bin/mock-trustregistry | ||
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| FROM scratch | ||
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| LABEL org.opencontainers.image.source https://github.com/trustbloc/vcs/test/bdd/trustregistry | ||
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| COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ | ||
| COPY --from=builder /etc/passwd /etc/passwd | ||
| COPY --from=builder /usr/bin/mock-trustregistry /usr/bin/mock-trustregistry | ||
| USER appuser | ||
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| ENTRYPOINT ["/usr/bin/mock-trustregistry"] |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| /* | ||
| Copyright Gen Digital Inc. All Rights Reserved. | ||
| SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
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| package trustregistry | ||
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| type VerifierValidationConfig struct { | ||
| VerifierDID string `json:"verifier_did"` | ||
| Metadata []*CredentialMetadata `json:"metadata"` | ||
| } | ||
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| type PresentationValidationConfig struct { | ||
| PolicyID string `json:"policy_id"` | ||
| AttestationVC interface{} `json:"attestation_vc"` | ||
| Metadata []*CredentialMetadata `json:"metadata"` | ||
| } | ||
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| type CredentialMetadata struct { | ||
| CredentialID string `json:"credential_id"` | ||
| Types []string `json:"types"` | ||
| Issuer string `json:"issuer"` | ||
| Issued string `json:"issued"` | ||
| Expired string `json:"expired"` | ||
| } | ||
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| type Response struct { | ||
| Allowed bool `json:"allowed"` | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| /* | ||
| Copyright Gen Digital Inc. All Rights Reserved. | ||
| SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
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| package trustregistry | ||
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| import ( | ||
| "bytes" | ||
| "encoding/json" | ||
| "errors" | ||
| "fmt" | ||
| "net/http" | ||
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| "github.com/samber/lo" | ||
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| "github.com/trustbloc/logutil-go/pkg/log" | ||
| "github.com/trustbloc/vc-go/verifiable" | ||
| ) | ||
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| var ( | ||
| ErrInteractionRestricted = errors.New("interaction restricted") | ||
| logger = log.New("trustregistry") | ||
| ) | ||
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| const ( | ||
| walletAttestationVCType = "WalletAttestationCredential" | ||
| ) | ||
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| type Service struct { | ||
| url string | ||
| httpClient *http.Client | ||
| } | ||
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| type Config struct { | ||
| TrustRegistryURL string | ||
| HTTPClient *http.Client | ||
| } | ||
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| func New(conf *Config) *Service { | ||
| return &Service{ | ||
| url: conf.TrustRegistryURL, | ||
| httpClient: conf.HTTPClient, | ||
| } | ||
| } | ||
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| func (s *Service) ValidateVerifier(verifierDID string, presentationCredentials []*verifiable.Credential) error { | ||
| logger.Debug("ValidateVerifier begin") | ||
| verifierValidationConfig := &VerifierValidationConfig{ | ||
| VerifierDID: verifierDID, | ||
| Metadata: make([]*CredentialMetadata, len(presentationCredentials)), | ||
| } | ||
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| for i, credential := range presentationCredentials { | ||
| content := credential.Contents() | ||
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| verifierValidationConfig.Metadata[i] = s.getCredentialMetadata(content) | ||
| } | ||
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| req, err := json.Marshal(verifierValidationConfig) | ||
| if err != nil { | ||
| return fmt.Errorf("encode verifier config: %w", err) | ||
| } | ||
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| responseDecoded, err := s.doRequest(req) | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| if !responseDecoded.Allowed { | ||
| return ErrInteractionRestricted | ||
| } | ||
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| logger.Debug("ValidateVerifier succeed") | ||
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| return nil | ||
| } | ||
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| func (s *Service) ValidatePresentation(policyID string, presentationCredentials []*verifiable.Credential) error { | ||
| logger.Debug("ValidatePresentation begin") | ||
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| presentationValidationConfig := &PresentationValidationConfig{ | ||
| PolicyID: policyID, | ||
| Metadata: make([]*CredentialMetadata, len(presentationCredentials)), | ||
| } | ||
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| for i, credential := range presentationCredentials { | ||
| content := credential.Contents() | ||
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| if lo.Contains(content.Types, walletAttestationVCType) { | ||
| attestationVC, err := credential.ToUniversalForm() | ||
| if err == nil { | ||
| presentationValidationConfig.AttestationVC = attestationVC | ||
| } | ||
| } | ||
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| presentationValidationConfig.Metadata[i] = s.getCredentialMetadata(content) | ||
| } | ||
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| req, err := json.Marshal(presentationValidationConfig) | ||
| if err != nil { | ||
| return fmt.Errorf("encode presentation config: %w", err) | ||
| } | ||
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| responseDecoded, err := s.doRequest(req) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| if !responseDecoded.Allowed { | ||
| return ErrInteractionRestricted | ||
| } | ||
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| logger.Debug("ValidatePresentation succeed") | ||
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| return nil | ||
| } | ||
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| func (s *Service) doRequest(req []byte) (*Response, error) { | ||
| resp, err := s.httpClient.Post(s.url, "application/json", bytes.NewReader(req)) //nolint:noctx | ||
| if err != nil { | ||
| return nil, fmt.Errorf("send request: %w", err) | ||
| } | ||
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| defer resp.Body.Close() | ||
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| if resp.StatusCode != http.StatusOK { | ||
| return nil, fmt.Errorf("unexpected status code: %d", resp.StatusCode) | ||
| } | ||
|
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| var responseDecoded *Response | ||
| err = json.NewDecoder(resp.Body).Decode(&responseDecoded) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("read response: %w", err) | ||
| } | ||
|
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| return responseDecoded, nil | ||
| } | ||
|
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| func (s *Service) getCredentialMetadata(content verifiable.CredentialContents) *CredentialMetadata { | ||
| var iss, exp string | ||
| if content.Issued != nil { | ||
| iss = content.Issued.FormatToString() | ||
| } | ||
|
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| if content.Expired != nil { | ||
| exp = content.Expired.FormatToString() | ||
| } | ||
|
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| return &CredentialMetadata{ | ||
| CredentialID: content.ID, | ||
| Types: content.Types, | ||
| Issuer: content.Issuer.ID, | ||
| Issued: iss, | ||
| Expired: exp, | ||
| } | ||
| } |
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