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presentation_test.go
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/*
Copyright SecureKey Technologies Inc. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package verifiable
import (
_ "embed"
"encoding/json"
"testing"
jsonld "github.com/piprate/json-gold/ld"
"github.com/stretchr/testify/require"
ldcontext "github.com/trustbloc/did-go/doc/ld/context"
ldprocessor "github.com/trustbloc/did-go/doc/ld/processor"
ldtestutil "github.com/trustbloc/did-go/doc/ld/testutil"
"github.com/trustbloc/kms-go/spi/kms"
"github.com/veraison/go-cose"
"github.com/trustbloc/vc-go/proof/testsupport"
)
const validPresentation = `
{
"@context": [
"https://www.w3.org/2018/credentials/v1",
"https://www.w3.org/2018/credentials/examples/v1",
"https://trustbloc.github.io/context/vc/examples-v1.jsonld"
],
"id": "urn:uuid:3978344f-8596-4c3a-a978-8fcaba3903c5",
"type": "VerifiablePresentation",
"verifiableCredential": [
{
"@context": [
"https://www.w3.org/2018/credentials/v1",
"https://www.w3.org/2018/credentials/examples/v1"
],
"id": "http://example.edu/credentials/58473",
"type": ["VerifiableCredential", "UniversityDegreeCredential"],
"issuer": "https://example.edu/issuers/14",
"issuanceDate": "2010-01-01T19:23:24Z",
"credentialSubject": {
"id": "did:example:ebfeb1f712ebc6f1c276e12ec21",
"alumniOf": "Example University"
},
"proof": {
"type": "RsaSignature2018"
}
}
],
"holder": "did:example:ebfeb1f712ebc6f1c276e12ec21"
}
`
const notStrictPresentation = `
{
"@context": [
"https://www.w3.org/2018/credentials/v1",
"https://www.w3.org/2018/credentials/examples/v1",
"https://trustbloc.github.io/context/vc/examples-v1.jsonld"
],
"id": "urn:uuid:3978344f-8596-4c3a-a978-8fcaba3903c5",
"type": "VerifiablePresentation",
"verifiableCredential": [
{
"@context": [
"https://www.w3.org/2018/credentials/v1",
"https://www.w3.org/2018/credentials/examples/v1"
],
"id": "http://example.edu/credentials/58473",
"type": ["VerifiableCredential", "UniversityDegreeCredential"],
"issuer": "https://example.edu/issuers/14",
"issuanceDate": "2010-01-01T19:23:24Z",
"credentialSubject": {
"id": "did:example:ebfeb1f712ebc6f1c276e12ec21",
"alumniOf": "Example University"
},
"proof": {
"type": "RsaSignature2018"
},
"foo3" : "bar3"
}
],
"holder": "did:example:ebfeb1f712ebc6f1c276e12ec21"
}
`
const presentationWithoutCredentials = `
{
"@context": [
"https://www.w3.org/2018/credentials/v1",
"https://www.w3.org/2018/credentials/examples/v1",
"https://trustbloc.github.io/context/vc/examples-v1.jsonld"
],
"id": "urn:uuid:3978344f-8596-4c3a-a978-8fcaba3903c5",
"type": "VerifiablePresentation",
"holder": "did:example:ebfeb1f712ebc6f1c276e12ec21"
}
`
const validPresentationWithCustomFields = `
{
"@context": [
"https://www.w3.org/2018/credentials/v1",
"https://trustbloc.github.io/context/vc/presentation-exchange-submission-v1.jsonld"
],
"id": "urn:uuid:3978344f-8596-4c3a-a978-8fcaba3903c5",
"type": [
"VerifiablePresentation",
"PresentationSubmission"
],
"presentation_submission": {
"descriptor_map": [
{
"id": "degree_input_1",
"path": "$.verifiableCredential.[0]"
},
{
"id": "citizenship_input_1",
"path": "$.verifiableCredential.[1]"
}
]
},
"verifiableCredential": [
{
"@context": [
"https://www.w3.org/2018/credentials/v1",
"https://www.w3.org/2018/credentials/examples/v1"
],
"id": "http://example.edu/credentials/58473",
"type": ["VerifiableCredential", "UniversityDegreeCredential"],
"issuer": "https://example.edu/issuers/14",
"issuanceDate": "2010-01-01T19:23:24Z",
"credentialSubject": {
"id": "did:example:ebfeb1f712ebc6f1c276e12ec21",
"alumniOf": "Example University"
},
"proof": {
"type": "RsaSignature2018"
}
}
],
"holder": "did:example:ebfeb1f712ebc6f1c276e12ec21"
}
`
const v2ValidPresentation = `{
"@context": [
"https://www.w3.org/ns/credentials/v2",
"https://www.w3.org/ns/credentials/examples/v2"
],
"id": "urn:uuid:3978344f-8596-4c3a-a978-8fcaba3903c5",
"type": ["VerifiablePresentation"],
"verifiableCredential": [{
"@context": "https://www.w3.org/ns/credentials/v2",
"id": "urn:uuid:1998343f-5597-2c3a-b979-2fcada3903c2",
"type": "VerifiableCredential",
"credentialSubject": {
"id": "did:example:ebfeb1f712ebc6f1c276e12ec21",
"validFrom": "2010-01-01T19:23:24Z",
"validUntil": "2026-02-01T19:23:24Z",
"alumniOf": "Example University"
}
}],
"holder": "did:example:ebfeb1f712ebc6f1c276e12ec21"
}`
const v2PresentationWithoutCredentials = `{
"@context": [
"https://www.w3.org/ns/credentials/v2",
"https://www.w3.org/ns/credentials/examples/v2"
],
"id": "urn:uuid:3978344f-8596-4c3a-a978-8fcaba3903c5",
"type": ["VerifiablePresentation"],
"holder": "did:example:ebfeb1f712ebc6f1c276e12ec21"
}`
const v2ValidPresentationWithCustomFields = `
{
"@context": [
"https://www.w3.org/ns/credentials/v2",
"https://trustbloc.github.io/context/vc/presentation-exchange-submission-v1.jsonld"
],
"id": "urn:uuid:3978344f-8596-4c3a-a978-8fcaba3903c5",
"type": [
"VerifiablePresentation",
"PresentationSubmission"
],
"presentation_submission": {
"descriptor_map": [
{
"id": "degree_input_1",
"path": "$.verifiableCredential.[0]"
},
{
"id": "citizenship_input_1",
"path": "$.verifiableCredential.[1]"
}
]
},
"verifiableCredential": [
{
"@context": [
"https://www.w3.org/ns/credentials/v2",
"https://www.w3.org/ns/credentials/examples/v2"
],
"id": "http://example.edu/credentials/58473",
"type": ["VerifiableCredential", "UniversityDegreeCredential"],
"issuer": "https://example.edu/issuers/14",
"validFrom": "2010-01-01T19:23:24Z",
"credentialSubject": {
"id": "did:example:ebfeb1f712ebc6f1c276e12ec21",
"alumniOf": "Example University"
},
"proof": {
"type": "RsaSignature2018"
}
}
],
"holder": "did:example:ebfeb1f712ebc6f1c276e12ec21"
}
`
//go:embed testdata/v1_validPresentationWithJWTVC.jsonld
var validPresentationWithJWTVC []byte //nolint:gochecknoglobals
//go:embed testdata/context/presentation_submission_v1.jsonld
var presentationSubmissionV1 []byte //nolint:gochecknoglobals
func TestParseCwtPresentation(t *testing.T) {
t.Run("creates a new Verifiable Presentation with custom/additional fields", func(t *testing.T) {
verify := func(t *testing.T, vp *Presentation) {
require.Len(t, vp.CustomFields, 1)
require.Len(t, vp.CustomFields["presentation_submission"], 1)
submission, ok := vp.CustomFields["presentation_submission"].(map[string]interface{})
require.True(t, ok)
require.Len(t, submission, 1)
descrMap, ok := submission["descriptor_map"].([]interface{})
require.True(t, ok)
require.Len(t, descrMap, 2)
}
loader := createTestDocumentLoader(t, ldcontext.Document{
URL: "https://trustbloc.github.io/context/vc/presentation-exchange-submission-v1.jsonld",
Content: presentationSubmissionV1,
})
vp, err := ParsePresentation([]byte(validPresentationWithCustomFields),
WithPresDisabledProofCheck(),
WithPresJSONLDDocumentLoader(loader))
require.NoError(t, err)
require.NotNil(t, vp)
verify(t, vp)
b, e := vp.MarshalJSON()
require.NoError(t, e)
require.NotEmpty(t, b)
vp, err = ParsePresentation(b, WithPresStrictValidation(), WithPresDisabledProofCheck(),
WithPresJSONLDDocumentLoader(loader))
require.NoError(t, err)
require.NotNil(t, vp)
verify(t, vp)
})
}
func TestParsePresentation(t *testing.T) {
t.Run("creates a new Verifiable Presentation from JSON with valid structure", func(t *testing.T) {
vp, err := newTestPresentation(t, []byte(validPresentation), WithPresDisabledProofCheck(),
WithPresStrictValidation())
require.NoError(t, err)
require.NotNil(t, vp)
// validate @context
require.Equal(t, []string{
"https://www.w3.org/2018/credentials/v1",
"https://www.w3.org/2018/credentials/examples/v1",
"https://trustbloc.github.io/context/vc/examples-v1.jsonld",
}, vp.Context)
// check id
require.Equal(t, "urn:uuid:3978344f-8596-4c3a-a978-8fcaba3903c5", vp.ID)
// check type
require.Equal(t, []string{"VerifiablePresentation"}, vp.Type)
// check verifiableCredentials
require.NotNil(t, vp.Credentials())
require.Len(t, vp.Credentials(), 1)
// check holder
require.Equal(t, "did:example:ebfeb1f712ebc6f1c276e12ec21", vp.Holder)
})
t.Run("creates a new Verifiable Presentation from valid JSON without credentials", func(t *testing.T) {
vp, err := newTestPresentation(t, []byte(presentationWithoutCredentials),
WithPresDisabledProofCheck(),
WithPresStrictValidation())
require.NoError(t, err)
require.NotNil(t, vp)
// validate @context
require.Equal(t, []string{
"https://www.w3.org/2018/credentials/v1",
"https://www.w3.org/2018/credentials/examples/v1",
"https://trustbloc.github.io/context/vc/examples-v1.jsonld",
}, vp.Context)
// check id
require.Equal(t, "urn:uuid:3978344f-8596-4c3a-a978-8fcaba3903c5", vp.ID)
// check type
require.Equal(t, []string{"VerifiablePresentation"}, vp.Type)
// check verifiableCredentials
require.Nil(t, vp.Credentials())
require.Empty(t, vp.Credentials())
// check holder
require.Equal(t, "did:example:ebfeb1f712ebc6f1c276e12ec21", vp.Holder)
// check rawPresentation
rp, err := vp.raw()
require.NoError(t, err)
require.IsType(t, nil, rp[vpFldCredential])
})
t.Run("creates a new Verifiable Presentation with custom/additional fields", func(t *testing.T) {
verify := func(t *testing.T, vp *Presentation) {
require.Len(t, vp.CustomFields, 1)
require.Len(t, vp.CustomFields["presentation_submission"], 1)
submission, ok := vp.CustomFields["presentation_submission"].(map[string]interface{})
require.True(t, ok)
require.Len(t, submission, 1)
descrMap, ok := submission["descriptor_map"].([]interface{})
require.True(t, ok)
require.Len(t, descrMap, 2)
}
loader := createTestDocumentLoader(t, ldcontext.Document{
URL: "https://trustbloc.github.io/context/vc/presentation-exchange-submission-v1.jsonld",
Content: presentationSubmissionV1,
})
vp, err := ParsePresentation([]byte(validPresentationWithCustomFields),
WithPresDisabledProofCheck(),
WithPresJSONLDDocumentLoader(loader))
require.NoError(t, err)
require.NotNil(t, vp)
verify(t, vp)
b, e := vp.MarshalJSON()
require.NoError(t, e)
require.NotEmpty(t, b)
vp, err = ParsePresentation(b, WithPresStrictValidation(), WithPresDisabledProofCheck(),
WithPresJSONLDDocumentLoader(loader))
require.NoError(t, err)
require.NotNil(t, vp)
verify(t, vp)
})
t.Run("creates a new Verifiable Presentation from JSON with invalid structure", func(t *testing.T) {
emptyJSONDoc := "{}"
vp, err := newTestPresentation(t, []byte(emptyJSONDoc))
require.Error(t, err)
require.Nil(t, vp)
})
t.Run("fails to create a new Verifiable Presentation from non-JSON doc", func(t *testing.T) {
vp, err := newTestPresentation(t, []byte("non json"))
require.Error(t, err)
require.Contains(t, err.Error(), "JSON unmarshalling of verifiable presentation")
require.Nil(t, vp)
})
t.Run("strict VP validation fails because of invalid field in VP", func(t *testing.T) {
var vpMap map[string]interface{}
err := json.Unmarshal([]byte(validPresentation), &vpMap)
require.NoError(t, err)
// add invalid field
vpMap["foo1"] = "bar1"
vpBytes, err := json.Marshal(vpMap)
require.NoError(t, err)
vp, err := newTestPresentation(t, vpBytes, WithPresDisabledProofCheck(), WithPresStrictValidation())
require.Error(t, err)
require.EqualError(t, err, "JSON-LD doc has different structure after compaction")
require.Nil(t, vp)
})
t.Run("strict VP validation fails because of invalid field in VP proof", func(t *testing.T) {
vp, err := newTestPresentation(t, []byte(validPresentation),
WithPresDisabledProofCheck())
require.NoError(t, err)
proofCreator, proofChecker := testsupport.NewKMSSigVerPair(t, kms.ED25519Type, "did:example:123456#key1")
require.NoError(t, err)
ldpContext := &LinkedDataProofContext{
SignatureType: "Ed25519Signature2018",
KeyType: kms.ED25519Type,
SignatureRepresentation: SignatureJWS,
ProofCreator: proofCreator,
VerificationMethod: "did:example:123456#key1",
}
err = vp.AddLinkedDataProof(ldpContext, ldprocessor.WithDocumentLoader(createTestDocumentLoader(t)))
require.NoError(t, err)
proof := vp.Proofs[0]
proof["foo2"] = "bar2"
vpBytes, err := json.Marshal(vp)
require.NoError(t, err)
vp, err = newTestPresentation(t, vpBytes,
WithPresStrictValidation(),
WithPresProofChecker(proofChecker))
require.Error(t, err)
require.EqualError(t, err, "JSON-LD doc has different structure after compaction")
require.Nil(t, vp)
})
t.Run("strict VP validation fails because of invalid field in VC of VP", func(t *testing.T) {
vp, err := newTestPresentation(t, []byte(notStrictPresentation),
WithPresDisabledProofCheck(),
WithPresStrictValidation())
require.Error(t, err)
require.EqualError(t, err, "JSON-LD doc has different structure after compaction")
require.Nil(t, vp)
})
t.Run("parsing VP with a JWT VC succeeds", func(t *testing.T) {
loader := createTestDocumentLoader(t, ldcontext.Document{
URL: "https://trustbloc.github.io/context/vc/presentation-exchange-submission-v1.jsonld",
Content: presentationSubmissionV1,
})
vp, err := ParsePresentation(validPresentationWithJWTVC, WithPresDisabledProofCheck(),
WithPresJSONLDDocumentLoader(loader))
require.NoError(t, err)
require.NotNil(t, vp)
})
t.Run("parsing VP with a JWT VC with required JSON-LD checks succeeds", func(t *testing.T) {
vp, err := ParsePresentation(validPresentationWithJWTVC, WithPresDisabledProofCheck(),
WithDisabledJSONLDChecks())
require.NoError(t, err)
require.NotNil(t, vp)
})
t.Run("Failures", func(t *testing.T) {
protoVP, errP := newTestPresentation(t, []byte(presentationWithoutCredentials), WithPresDisabledProofCheck(),
WithPresStrictValidation())
require.NoError(t, errP)
require.NotNil(t, protoVP)
t.Run("invalid type", func(t *testing.T) {
raw, err := protoVP.raw()
require.NoError(t, err)
raw["type"] = map[string]string{}
_, err = newPresentation(raw, &presentationOpts{})
require.Error(t, err)
require.Contains(t, err.Error(), "presentation types")
})
t.Run("invalid @context", func(t *testing.T) {
raw, err := protoVP.raw()
require.NoError(t, err)
raw["@context"] = map[string]string{}
_, err = newPresentation(raw, &presentationOpts{})
require.Error(t, err)
require.Contains(t, err.Error(), "presentation contexts")
})
t.Run("invalid proof", func(t *testing.T) {
raw, err := protoVP.raw()
require.NoError(t, err)
raw["proof"] = map[string]string{}
_, err = newPresentation(raw, &presentationOpts{})
require.Error(t, err)
require.Contains(t, err.Error(), "presentation proof")
})
t.Run("invalid id", func(t *testing.T) {
raw, err := protoVP.raw()
require.NoError(t, err)
raw["id"] = map[string]string{}
_, err = newPresentation(raw, &presentationOpts{})
require.Error(t, err)
require.Contains(t, err.Error(), "presentation id")
})
t.Run("invalid holder", func(t *testing.T) {
raw, err := protoVP.raw()
require.NoError(t, err)
raw["holder"] = map[string]string{}
_, err = newPresentation(raw, &presentationOpts{})
require.Error(t, err)
require.Contains(t, err.Error(), "presentation holder")
})
})
}
func TestV2ParsePresentation(t *testing.T) {
t.Run("creates a new Verifiable Presentation from JSON with valid structure", func(t *testing.T) {
vp, err := newTestPresentation(t, []byte(v2ValidPresentation), WithPresDisabledProofCheck(),
WithPresStrictValidation())
require.NoError(t, err)
require.NotNil(t, vp)
// validate @context
require.Equal(t, []string{
"https://www.w3.org/ns/credentials/v2",
"https://www.w3.org/ns/credentials/examples/v2",
}, vp.Context)
// check id
require.Equal(t, "urn:uuid:3978344f-8596-4c3a-a978-8fcaba3903c5", vp.ID)
// check type
require.Equal(t, []string{"VerifiablePresentation"}, vp.Type)
// check verifiableCredentials
require.NotNil(t, vp.Credentials())
require.Len(t, vp.Credentials(), 1)
// check holder
require.Equal(t, "did:example:ebfeb1f712ebc6f1c276e12ec21", vp.Holder)
})
t.Run("creates a new Verifiable Presentation from valid JSON without credentials", func(t *testing.T) {
vp, err := newTestPresentation(t, []byte(v2PresentationWithoutCredentials),
WithPresDisabledProofCheck(),
WithPresStrictValidation())
require.NoError(t, err)
require.NotNil(t, vp)
// validate @context
require.Equal(t, []string{
"https://www.w3.org/ns/credentials/v2",
"https://www.w3.org/ns/credentials/examples/v2",
}, vp.Context)
// check id
require.Equal(t, "urn:uuid:3978344f-8596-4c3a-a978-8fcaba3903c5", vp.ID)
// check type
require.Equal(t, []string{"VerifiablePresentation"}, vp.Type)
// check verifiableCredentials
require.Nil(t, vp.Credentials())
require.Empty(t, vp.Credentials())
// check holder
require.Equal(t, "did:example:ebfeb1f712ebc6f1c276e12ec21", vp.Holder)
// check rawPresentation
rp, err := vp.raw()
require.NoError(t, err)
require.IsType(t, nil, rp[vpFldCredential])
})
t.Run("creates a new Verifiable Presentation with custom/additional fields", func(t *testing.T) {
verify := func(t *testing.T, vp *Presentation) {
require.Len(t, vp.CustomFields, 1)
require.Len(t, vp.CustomFields["presentation_submission"], 1)
submission, ok := vp.CustomFields["presentation_submission"].(map[string]interface{})
require.True(t, ok)
require.Len(t, submission, 1)
descrMap, ok := submission["descriptor_map"].([]interface{})
require.True(t, ok)
require.Len(t, descrMap, 2)
}
loader := createTestDocumentLoader(t, ldcontext.Document{
URL: "https://trustbloc.github.io/context/vc/presentation-exchange-submission-v1.jsonld",
Content: presentationSubmissionV1,
})
vp, err := ParsePresentation([]byte(v2ValidPresentationWithCustomFields),
WithPresDisabledProofCheck(),
WithPresJSONLDDocumentLoader(loader))
require.NoError(t, err)
require.NotNil(t, vp)
verify(t, vp)
b, e := vp.MarshalJSON()
require.NoError(t, e)
require.NotEmpty(t, b)
vp, err = ParsePresentation(b, WithPresStrictValidation(), WithPresDisabledProofCheck(),
WithPresJSONLDDocumentLoader(loader))
require.NoError(t, err)
require.NotNil(t, vp)
verify(t, vp)
})
}
func TestValidateVP_Context(t *testing.T) {
t.Run("rejects verifiable presentation with empty context", func(t *testing.T) {
var raw rawPresentation
require.NoError(t, json.Unmarshal([]byte(validPresentation), &raw))
delete(raw, vpFldContext)
bytes, err := json.Marshal(raw)
require.NoError(t, err)
vp, err := newTestPresentation(t, bytes, WithPresDisabledProofCheck())
require.Error(t, err)
require.Contains(t, err.Error(), "@context is required")
require.Nil(t, vp)
})
t.Run("rejects verifiable presentation with invalid context", func(t *testing.T) {
var raw rawPresentation
require.NoError(t, json.Unmarshal([]byte(validPresentation), &raw))
raw[vpFldContext] = []string{
"https://www.w3.org/2018/credentials/v2",
"https://www.w3.org/2018/credentials/examples/v1",
}
bytes, err := json.Marshal(raw)
require.NoError(t, err)
vp, err := newTestPresentation(t, bytes, WithPresDisabledProofCheck())
require.Error(t, err)
require.Contains(t, err.Error(), "unsupported @context: https://www.w3.org/2018/credentials/v2")
require.Nil(t, vp)
})
t.Run("generate verifiable presentation with valid string context", func(t *testing.T) {
var raw rawPresentation
require.NoError(t, json.Unmarshal([]byte(validPresentation), &raw))
raw[vpFldContext] = "https://www.w3.org/2018/credentials/v1"
bytes, err := json.Marshal(raw)
require.NoError(t, err)
vp, err := newTestPresentation(t, bytes, WithPresDisabledProofCheck())
require.NoError(t, err)
require.NotNil(t, vp)
})
t.Run("rejects verifiable presentation with invalid string context", func(t *testing.T) {
var raw rawPresentation
require.NoError(t, json.Unmarshal([]byte(validPresentation), &raw))
raw[vpFldContext] = "https://www.w3.org/2018/credentials/v2"
bytes, err := json.Marshal(raw)
require.NoError(t, err)
vp, err := newTestPresentation(t, bytes, WithPresDisabledProofCheck())
require.Error(t, err)
require.Contains(t, err.Error(), "unsupported @context: https://www.w3.org/2018/credentials/v2")
require.Nil(t, vp)
})
}
func TestValidateVP_ID(t *testing.T) {
t.Run("accept verifiable presentation with string ID", func(t *testing.T) {
var raw rawPresentation
require.NoError(t, json.Unmarshal([]byte(validPresentation), &raw))
raw[vpFldID] = "id"
bytes, err := json.Marshal(raw)
require.NoError(t, err)
_, err = newTestPresentation(t, bytes, WithPresDisabledProofCheck())
require.NoError(t, err)
})
}
func TestValidateVP_Type(t *testing.T) {
t.Run("accepts verifiable presentation with single VerifiablePresentation type", func(t *testing.T) {
var raw rawPresentation
require.NoError(t, json.Unmarshal([]byte(validPresentation), &raw))
raw[vpFldType] = "VerifiablePresentation"
bytes, err := json.Marshal(raw)
require.NoError(t, err)
_, err = newTestPresentation(t, bytes, WithPresDisabledProofCheck())
require.NoError(t, err)
})
t.Run("accepts verifiable presentation with multiple types where VerifiablePresentation is a first type",
func(t *testing.T) {
var raw rawPresentation
require.NoError(t, json.Unmarshal([]byte(validPresentation), &raw))
raw[vpFldType] = []string{"VerifiablePresentation", "CredentialManagerPresentation"}
bytes, err := json.Marshal(raw)
require.NoError(t, err)
_, err = newTestPresentation(t, bytes, WithPresDisabledProofCheck())
require.NoError(t, err)
})
t.Run("accepts verifiable presentation with multiple types where VerifiablePresentation is not a first type",
func(t *testing.T) {
var raw rawPresentation
require.NoError(t, json.Unmarshal([]byte(validPresentation), &raw))
raw[vpFldType] = []string{"CredentialManagerPresentation", "VerifiablePresentation"}
bytes, err := json.Marshal(raw)
require.NoError(t, err)
_, err = newTestPresentation(t, bytes, WithPresDisabledProofCheck())
require.NoError(t, err)
})
t.Run("rejects verifiable presentation with no type defined", func(t *testing.T) {
var raw rawPresentation
require.NoError(t, json.Unmarshal([]byte(validPresentation), &raw))
delete(raw, vpFldType)
bytes, err := json.Marshal(raw)
require.NoError(t, err)
vp, err := newTestPresentation(t, bytes, WithPresDisabledProofCheck())
require.Error(t, err)
require.Contains(t, err.Error(), "type is required")
require.Nil(t, vp)
})
t.Run("rejects verifiable presentation where single type is not VerifiablePresentation", func(t *testing.T) {
var raw rawPresentation
require.NoError(t, json.Unmarshal([]byte(validPresentation), &raw))
raw[vpFldType] = "CredentialManagerPresentation"
bytes, err := json.Marshal(raw)
require.NoError(t, err)
vp, err := newTestPresentation(t, bytes, WithPresDisabledProofCheck())
require.Error(t, err)
require.Contains(t, err.Error(), "Does not match pattern '^VerifiablePresentation$'")
require.Nil(t, vp)
})
}
func TestValidateVP_Holder(t *testing.T) {
t.Run("rejects verifiable presentation with non-url holder", func(t *testing.T) {
var raw rawPresentation
require.NoError(t, json.Unmarshal([]byte(validPresentation), &raw))
raw[vpFldHolder] = 1234
bytes, err := json.Marshal(raw)
require.NoError(t, err)
vp, err := newTestPresentation(t, bytes, WithPresDisabledProofCheck())
require.Error(t, err)
require.Contains(t, err.Error(), "holder must be string or map[string]interface{}")
require.Nil(t, vp)
})
}
func TestPresentation_MarshalJSON(t *testing.T) {
vp, err := newTestPresentation(t, []byte(validPresentation), WithPresDisabledProofCheck())
require.NoError(t, err)
require.NotEmpty(t, vp)
// convert verifiable credential to json byte data
vpData, err := vp.MarshalJSON()
require.NoError(t, err)
require.NotEmpty(t, vpData)
// convert json byte data back to verifiable presentation
vp2, err := newTestPresentation(t, vpData, WithPresDisabledProofCheck())
require.NoError(t, err)
require.NotEmpty(t, vp2)
// verify that verifiable presentations created by ParsePresentation() and MarshalJSON() matches
require.Equal(t, vp, vp2)
}
func TestNewPresentation(t *testing.T) {
r := require.New(t)
vc, err := ParseCredential([]byte(v1ValidCredential),
WithJSONLDDocumentLoader(createTestDocumentLoader(t)),
WithDisabledProofCheck())
r.NoError(err)
// Pass Credential struct pointer
vp, err := NewPresentation(WithCredentials(vc))
r.NoError(err)
r.Len(vp.credentials, 1)
r.Equal(vc, vp.credentials[0])
vp.AddCredentials(&Credential{})
r.Len(vp.credentials, 2)
// Pass VC marshalled into unsecured JWT
// set multiple credentials
vp, err = NewPresentation(WithCredentials(vc, vc), WithCredentials(vc))
r.NoError(err)
r.Len(vp.credentials, 3)
r.Equal(vc, vp.credentials[0])
r.Equal(vc, vp.credentials[1])
r.Equal(vc, vp.credentials[2])
}
func TestPresentation_decodeCredentials(t *testing.T) {
r := require.New(t)
proofCreator, proofChecker := testsupport.NewKMSSigVerPair(t, kms.ED25519Type,
"did:example:76e12ec712ebc6f1c221ebfeb1f#k1")
vc, err := parseTestCredential(t, []byte(v1ValidCredential), WithDisabledProofCheck())
r.NoError(err)
jwtClaims, err := vc.JWTClaims(false)
r.NoError(err)
jws, err := jwtClaims.MarshalJWSString(EdDSA, proofCreator,
"did:example:76e12ec712ebc6f1c221ebfeb1f#k1")
r.NoError(err)
// single credential - JWS
opts := defaultPresentationOpts()
opts.jsonldCredentialOpts.jsonldDocumentLoader = createTestDocumentLoader(t)
opts.proofChecker = proofChecker
dCreds, err := decodeCredentials(jws, opts)
r.NoError(err)
r.Len(dCreds, 1)
// no credential
dCreds, err = decodeCredentials(nil, opts)
r.NoError(err)
r.Len(dCreds, 0)
dCreds, err = decodeCredentials([]interface{}{}, opts)
r.NoError(err)
r.Len(dCreds, 0)
// single credential - JWS decoding failed (e.g. to no public key fetcher available)
opts.proofChecker = nil
_, err = decodeCredentials(jws, opts)
r.Error(err)
}
func TestWithPresJSONLDDocumentLoader(t *testing.T) {
documentLoader := jsonld.NewDefaultDocumentLoader(nil)
presentationOpt := WithPresJSONLDDocumentLoader(documentLoader)
require.NotNil(t, presentationOpt)
opts := &presentationOpts{}
presentationOpt(opts)
require.Equal(t, documentLoader, opts.jsonldDocumentLoader)
}
func TestParseUnverifiedPresentation(t *testing.T) {
loader, err := ldtestutil.DocumentLoader()
require.NoError(t, err)
// happy path
vp, err := ParsePresentation([]byte(validPresentation), WithPresDisabledProofCheck(),
WithPresJSONLDDocumentLoader(loader))
require.NoError(t, err)
require.NotNil(t, vp)
// delete the embedded proof and check the VP decoding once again
var vpJSON map[string]interface{}
err = json.Unmarshal([]byte(validPresentation), &vpJSON)
require.NoError(t, err)
delete(vpJSON, "proof")
vpWithoutProofBytes, err := json.Marshal(vpJSON)
require.NoError(t, err)
vp, err = ParsePresentation(vpWithoutProofBytes, WithPresDisabledProofCheck(),
WithPresJSONLDDocumentLoader(loader))
require.NoError(t, err)
require.NotNil(t, vp)
// VP decoding error
vp, err = ParsePresentation([]byte("invalid"), WithPresDisabledProofCheck(),
WithPresJSONLDDocumentLoader(loader))
require.Error(t, err)
require.Nil(t, vp)
}
func TestPresentation_MarshalAndParseVP(t *testing.T) {
const pubKeyID = "did:123#issuer-key"
t.Run("v1.1 jwt string", func(t *testing.T) {
vcc := vccProto
vcc.Issuer.ID = "did:123"
vc, err := CreateCredential(vcc, nil)
require.NoError(t, err)
issuerSigner, proofChecker := testsupport.NewKMSSigVerPair(t, kms.RSARS256Type, pubKeyID)
jwtVC, err := vc.CreateSignedJWTVC(false, RS256, issuerSigner, pubKeyID)
require.NoError(t, err)
vp, err := NewPresentation(WithCredentials(jwtVC))
require.NoError(t, err)
require.NotNil(t, vp)
require.Equal(t, []string{"https://www.w3.org/2018/credentials/v1"}, vp.Context)
require.Empty(t, vp.ID)
require.Equal(t, []string{"VerifiablePresentation"}, vp.Type)
require.Len(t, vp.Credentials(), 1)
vpJWT, err := vp.CreateJWTVP(
[]string{"did:example:4a57546973436f6f6c4a4a57573"},
RS256,
issuerSigner,
pubKeyID,
true,
)
require.NoError(t, err)
vpJWTBytes, err := vpJWT.MarshalJSON()
require.NoError(t, err)
require.NotEmpty(t, vpJWTBytes)
jwtHeader, vcDataDecoded, err := decodeJWTVC(string(unQuote(vpJWTBytes)))
require.NoError(t, err)
require.NotEmpty(t, jwtHeader)
require.NotEmpty(t, vcDataDecoded)
vp2, err := ParsePresentation(vpJWTBytes,
WithPresProofChecker(proofChecker),
WithPresStrictValidation(),
WithPresJSONLDDocumentLoader(createTestDocumentLoader(t)),
)
require.NoError(t, err)
vp2Bytes, err := vp2.MarshalJSON()
require.NoError(t, err)
require.Equal(t, vpJWTBytes, vp2Bytes)
})
t.Run("v2.0 enveloped jwt", func(t *testing.T) {
vcc := vccProtoV2
vcc.Issuer.ID = "did:123"
vc, err := CreateCredential(vcc, nil)
require.NoError(t, err)
issuerSigner, proofChecker := testsupport.NewKMSSigVerPair(t, kms.RSARS256Type, pubKeyID)
jwtVC, err := vc.CreateSignedJWTVC(false, RS256, issuerSigner, pubKeyID)
require.NoError(t, err)
vp, err := NewPresentation(WithBaseContext(V2ContextURI), WithCredentials(jwtVC))
require.NoError(t, err)
require.NotNil(t, vp)
require.Equal(t, []string{"https://www.w3.org/ns/credentials/v2"}, vp.Context)
require.Empty(t, vp.ID)
require.Equal(t, []string{"VerifiablePresentation"}, vp.Type)
require.Len(t, vp.Credentials(), 1)
vpJWT, err := vp.CreateJWTVP(
[]string{"did:example:4a57546973436f6f6c4a4a57573"},
RS256,
issuerSigner,
pubKeyID,
true,
)
require.NoError(t, err)
vpJWTBytes, err := vpJWT.MarshalJSON()
require.NoError(t, err)
require.NotEmpty(t, vpJWTBytes)
validateEnvelopedVP(t, vpJWTBytes, VPMediaTypeJWT)
vp2, err := ParsePresentation(vpJWTBytes,
WithPresProofChecker(proofChecker),
WithPresStrictValidation(),
WithPresJSONLDDocumentLoader(createTestDocumentLoader(t)),
)
require.NoError(t, err)
vp2Bytes, err := vp2.MarshalJSON()
require.NoError(t, err)
require.Equal(t, vpJWTBytes, vp2Bytes)
})
t.Run("v2.0 enveloped cwt", func(t *testing.T) {
vcc := vccProtoV2
vcc.Issuer.ID = "did:123"
vc, err := CreateCredential(vcc, nil)
require.NoError(t, err)
issuerSigner, proofChecker := testsupport.NewKMSSigVerPair(t, kms.RSARS256Type, pubKeyID)
cwtVC, err := vc.CreateSignedCOSEVC(cose.AlgorithmRS256, issuerSigner, pubKeyID)
require.NoError(t, err)
vp, err := NewPresentation(WithBaseContext(V2ContextURI), WithCredentials(cwtVC))
require.NoError(t, err)
require.NotNil(t, vp)
require.Equal(t, []string{"https://www.w3.org/ns/credentials/v2"}, vp.Context)
require.Empty(t, vp.ID)
require.Equal(t, []string{"VerifiablePresentation"}, vp.Type)
require.Len(t, vp.Credentials(), 1)
vpCWT, err := vp.CreateCWTVP(