requestor_test.go 7.26 KB
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package sessiontest

import (
	"encoding/json"
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	"reflect"
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	"testing"

	"github.com/privacybydesign/irmago"
	"github.com/privacybydesign/irmago/internal/test"
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	"github.com/privacybydesign/irmago/irmaclient"
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	"github.com/privacybydesign/irmago/server"
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	"github.com/stretchr/testify/require"
)

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func requestorSessionHelper(t *testing.T, request irma.SessionRequest, client *irmaclient.Client) *server.SessionResult {
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	StartIrmaServer(t)
	defer StopIrmaServer()
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	if client == nil {
		client = parseStorage(t)
		defer test.ClearTestStorage(t)
	}
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	clientChan := make(chan *SessionResult)
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	serverChan := make(chan *server.SessionResult)
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	qr, token, err := irmaServer.StartSession(request, func(result *server.SessionResult) {
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		serverChan <- result
	})
	require.NoError(t, err)

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	h := TestHandler{t, clientChan, client, nil}
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	j, err := json.Marshal(qr)
	require.NoError(t, err)
	client.NewSession(string(j), h)
	clientResult := <-clientChan
	if clientResult != nil {
		require.NoError(t, clientResult.Err)
	}

	serverResult := <-serverChan
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	require.Equal(t, token, serverResult.Token)
	return serverResult
}

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// Check that nonexistent IRMA identifiers in the session request fail the session
func TestRequestorInvalidRequest(t *testing.T) {
	StartIrmaServer(t)
	defer StopIrmaServer()
	_, _, err := irmaServer.StartSession(irma.NewDisclosureRequest(
		irma.NewAttributeTypeIdentifier("irma-demo.RU.foo.bar"),
		irma.NewAttributeTypeIdentifier("irma-demo.baz.qux.abc"),
	), nil)
	require.Error(t, err)
}

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func TestRequestorSignatureSession(t *testing.T) {
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	id := irma.NewAttributeTypeIdentifier("irma-demo.RU.studentCard.studentID")
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	serverResult := requestorSessionHelper(t, irma.NewSignatureRequest("message", id), nil)
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	require.Nil(t, serverResult.Err)
	require.Equal(t, irma.ProofStatusValid, serverResult.ProofStatus)
	require.NotEmpty(t, serverResult.Disclosed)
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	require.Equal(t, id, serverResult.Disclosed[0][0].Identifier)
	require.Equal(t, "456", serverResult.Disclosed[0][0].Value["en"])
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}

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func TestRequestorDisclosureSession(t *testing.T) {
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	id := irma.NewAttributeTypeIdentifier("irma-demo.RU.studentCard.studentID")
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	request := irma.NewDisclosureRequest(id)
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	serverResult := testRequestorDisclosure(t, request)
	require.Len(t, serverResult.Disclosed, 1)
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	require.Equal(t, id, serverResult.Disclosed[0][0].Identifier)
	require.Equal(t, "456", serverResult.Disclosed[0][0].Value["en"])
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}
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func TestRequestorDisclosureMultipleAttrs(t *testing.T) {
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	request := irma.NewDisclosureRequest(
		irma.NewAttributeTypeIdentifier("irma-demo.RU.studentCard.studentID"),
		irma.NewAttributeTypeIdentifier("irma-demo.RU.studentCard.level"),
	)
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	serverResult := testRequestorDisclosure(t, request)
	require.Len(t, serverResult.Disclosed, 2)
}

func testRequestorDisclosure(t *testing.T, request *irma.DisclosureRequest) *server.SessionResult {
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	serverResult := requestorSessionHelper(t, request, nil)
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	require.Nil(t, serverResult.Err)
	require.Equal(t, irma.ProofStatusValid, serverResult.ProofStatus)
	return serverResult
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}

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func TestRequestorIssuanceSession(t *testing.T) {
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	testRequestorIssuance(t, false)
}

func testRequestorIssuance(t *testing.T, keyshare bool) {
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	attrid := irma.NewAttributeTypeIdentifier("irma-demo.RU.studentCard.studentID")
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	request := irma.NewIssuanceRequest([]*irma.CredentialRequest{{
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		CredentialTypeID: irma.NewCredentialTypeIdentifier("irma-demo.RU.studentCard"),
		Attributes: map[string]string{
			"university":        "Radboud",
			"studentCardNumber": "31415927",
			"studentID":         "s1234567",
			"level":             "42",
		},
	}, {
		CredentialTypeID: irma.NewCredentialTypeIdentifier("irma-demo.MijnOverheid.root"),
		Attributes: map[string]string{
			"BSN": "299792458",
		},
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	}}, attrid)
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	if keyshare {
		request.Credentials = append(request.Credentials, &irma.CredentialRequest{
			CredentialTypeID: irma.NewCredentialTypeIdentifier("test.test.mijnirma"),
			Attributes:       map[string]string{"email": "testusername"},
		})
	}
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	result := requestorSessionHelper(t, request, nil)
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	require.Nil(t, result.Err)
	require.Equal(t, irma.ProofStatusValid, result.ProofStatus)
	require.NotEmpty(t, result.Disclosed)
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	require.Equal(t, attrid, result.Disclosed[0][0].Identifier)
	require.Equal(t, "456", result.Disclosed[0][0].Value["en"])
}

func TestConDisCon(t *testing.T) {
	client := parseStorage(t)
	ir := getMultipleIssuanceRequest()
	ir.Credentials = append(ir.Credentials, &irma.CredentialRequest{
		Validity:         ir.Credentials[0].Validity,
		CredentialTypeID: irma.NewCredentialTypeIdentifier("irma-demo.MijnOverheid.fullName"),
		Attributes: map[string]string{
			"firstnames": "Jan Hendrik",
			"firstname":  "Jan",
			"familyname": "Klaassen",
			"prefix":     "van",
		},
	})
	requestorSessionHelper(t, ir, client)

	dr := irma.NewDisclosureRequest()
	dr.Disclose = irma.AttributeConDisCon{
		irma.AttributeDisCon{
			irma.AttributeCon{
				irma.NewAttributeRequest("irma-demo.MijnOverheid.root.BSN"),
				irma.NewAttributeRequest("irma-demo.MijnOverheid.fullName.firstname"),
				irma.NewAttributeRequest("irma-demo.MijnOverheid.fullName.familyname"),
			},
			irma.AttributeCon{
				irma.NewAttributeRequest("irma-demo.RU.studentCard.studentID"),
				irma.NewAttributeRequest("irma-demo.RU.studentCard.university"),
			},
		},
		//irma.AttributeDisCon{
		//	irma.AttributeCon{
		//		irma.NewAttributeRequest("irma-demo.MijnOverheid.fullName.firstname"),
		//		irma.NewAttributeRequest("irma-demo.MijnOverheid.fullName.familyname"),
		//	},
		//},
	}

	requestorSessionHelper(t, dr, client)
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}
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func TestOptionalDisclosure(t *testing.T) {
	client := parseStorage(t)
	university := irma.NewAttributeTypeIdentifier("irma-demo.RU.studentCard.university")
	studentid := irma.NewAttributeTypeIdentifier("irma-demo.RU.studentCard.studentID")

	radboud := "Radboud"
	attrs1 := irma.AttributeConDisCon{
		irma.AttributeDisCon{ // Including one non-optional disjunction is required in disclosure and signature sessions
			irma.AttributeCon{irma.AttributeRequest{Type: university}},
		},
		irma.AttributeDisCon{
			irma.AttributeCon{},
			irma.AttributeCon{irma.AttributeRequest{Type: studentid}},
		},
	}
	disclosed1 := [][]*irma.DisclosedAttribute{
		{
			{
				RawValue:   &radboud,
				Value:      map[string]string{"": radboud, "en": radboud, "nl": radboud},
				Identifier: irma.NewAttributeTypeIdentifier("irma-demo.RU.studentCard.university"),
				Status:     irma.AttributeProofStatusPresent,
			},
		},
		{},
	}
	attrs2 := irma.AttributeConDisCon{ // In issuance sessions, it is allowed that all disjunctions are optional
		irma.AttributeDisCon{
			irma.AttributeCon{},
			irma.AttributeCon{irma.AttributeRequest{Type: studentid}},
		},
	}
	disclosed2 := [][]*irma.DisclosedAttribute{{}}

	tests := []struct {
		request   irma.SessionRequest
		attrs     irma.AttributeConDisCon
		disclosed [][]*irma.DisclosedAttribute
	}{
		{irma.NewDisclosureRequest(), attrs1, disclosed1},
		{irma.NewSignatureRequest("message"), attrs1, disclosed1},
		{getIssuanceRequest(true), attrs1, disclosed1},
		{getIssuanceRequest(true), attrs2, disclosed2},
	}

	for _, args := range tests {
		args.request.Disclosure().Disclose = args.attrs

		// TestHandler always prefers the first option when given any choice, so it will not disclose the optional attribute
		result := requestorSessionHelper(t, args.request, client)
		require.True(t, reflect.DeepEqual(args.disclosed, result.Disclosed))
	}
}