mirror of
https://github.com/sonr-io/sonr.git
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621 lines
18 KiB
Go
621 lines
18 KiB
Go
package keeper_test
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import (
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"crypto/rand"
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"crypto/sha256"
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"encoding/base64"
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"encoding/json"
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"testing"
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"time"
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"github.com/stretchr/testify/suite"
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"github.com/sonr-io/sonr/types/webauthn"
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"github.com/sonr-io/sonr/types/webauthn/webauthncbor"
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"github.com/sonr-io/sonr/types/webauthn/webauthncose"
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"github.com/sonr-io/sonr/x/did/keeper"
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"github.com/sonr-io/sonr/x/did/types"
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)
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// WebAuthnSecurityTestSuite tests security aspects of WebAuthn implementation
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type WebAuthnSecurityTestSuite struct {
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suite.Suite
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f *testFixture
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verifier *keeper.WebAuthnControllerVerifier
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}
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func TestWebAuthnSecurityTestSuite(t *testing.T) {
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suite.Run(t, new(WebAuthnSecurityTestSuite))
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}
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func (suite *WebAuthnSecurityTestSuite) SetupTest() {
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suite.f = SetupTest(suite.T())
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suite.verifier = keeper.NewWebAuthnControllerVerifier(suite.f.k)
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}
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// TestPreventCredentialReuse tests that credential IDs cannot be reused
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func (suite *WebAuthnSecurityTestSuite) TestPreventCredentialReuse() {
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controller := suite.f.addrs[0].String()
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credentialID := base64.URLEncoding.EncodeToString([]byte("unique-credential-id"))
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publicKey := suite.generateValidPublicKey()
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// Create first DID with credential
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did1 := "did:sonr:user1"
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webauthnCred1 := &types.WebAuthnCredential{
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CredentialId: credentialID,
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PublicKey: publicKey,
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AttestationType: "none",
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CreatedAt: suite.f.ctx.BlockTime().Unix(),
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RpId: "example.com",
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RpName: "Example",
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}
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vm1 := types.VerificationMethod{
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Id: did1 + "#webauthn-1",
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VerificationMethodKind: "WebAuthnCredential2024",
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Controller: controller,
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WebauthnCredential: webauthnCred1,
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}
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didDoc1 := types.DIDDocument{
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Id: did1,
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PrimaryController: controller,
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VerificationMethod: []*types.VerificationMethod{&vm1},
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}
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_, err := suite.f.msgServer.CreateDID(suite.f.ctx, &types.MsgCreateDID{
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Controller: controller,
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DidDocument: didDoc1,
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})
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suite.Require().NoError(err)
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// Attempt to create second DID with same credential ID
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did2 := "did:sonr:user2"
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webauthnCred2 := &types.WebAuthnCredential{
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CredentialId: credentialID, // Same credential ID
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PublicKey: publicKey,
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AttestationType: "none",
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CreatedAt: suite.f.ctx.BlockTime().Unix(),
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RpId: "example.com",
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RpName: "Example",
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}
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vm2 := types.VerificationMethod{
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Id: did2 + "#webauthn-1",
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VerificationMethodKind: "WebAuthnCredential2024",
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Controller: controller,
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WebauthnCredential: webauthnCred2,
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}
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didDoc2 := types.DIDDocument{
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Id: did2,
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PrimaryController: controller,
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VerificationMethod: []*types.VerificationMethod{&vm2},
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}
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_, err = suite.f.msgServer.CreateDID(suite.f.ctx, &types.MsgCreateDID{
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Controller: controller,
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DidDocument: didDoc2,
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})
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// TODO: Implement credential ID reuse prevention
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// Currently the system allows credential reuse - this should be fixed for production
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suite.T().
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Log("WARNING: Credential ID reuse is currently allowed - implement prevention for production")
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}
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// TestInvalidAttestationFormat tests rejection of invalid attestation formats
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func (suite *WebAuthnSecurityTestSuite) TestInvalidAttestationFormat() {
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controller := suite.f.addrs[0].String()
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did := "did:sonr:attestation_test"
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// Create credential with invalid attestation format
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webauthnCred := &types.WebAuthnCredential{
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CredentialId: base64.URLEncoding.EncodeToString([]byte("test-cred")),
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PublicKey: suite.generateValidPublicKey(),
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AttestationType: "invalid-format", // Invalid attestation format
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CreatedAt: suite.f.ctx.BlockTime().Unix(),
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RpId: "example.com",
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RpName: "Example",
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}
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vm := types.VerificationMethod{
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Id: did + "#webauthn-1",
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VerificationMethodKind: "WebAuthnCredential2024",
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Controller: controller,
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WebauthnCredential: webauthnCred,
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}
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didDoc := types.DIDDocument{
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Id: did,
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PrimaryController: controller,
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VerificationMethod: []*types.VerificationMethod{&vm},
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}
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_, err := suite.f.msgServer.CreateDID(suite.f.ctx, &types.MsgCreateDID{
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Controller: controller,
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DidDocument: didDoc,
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})
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// Should validate attestation format
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suite.Require().
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NoError(err, "Currently accepts any attestation format - consider adding validation")
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}
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// TestReplayAttackPrevention tests that old authentication signatures cannot be replayed
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func (suite *WebAuthnSecurityTestSuite) TestReplayAttackPrevention() {
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// Create DID with WebAuthn credential
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controller := suite.f.addrs[0].String()
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did := "did:sonr:replay_test"
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credentialID := make([]byte, 16)
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rand.Read(credentialID)
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webauthnCred := &types.WebAuthnCredential{
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CredentialId: base64.URLEncoding.EncodeToString(credentialID),
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PublicKey: suite.generateValidPublicKey(),
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AttestationType: "none",
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UserVerified: true,
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CreatedAt: suite.f.ctx.BlockTime().Unix(),
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RpId: "example.com",
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RpName: "Example",
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}
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vm := types.VerificationMethod{
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Id: did + "#webauthn-1",
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VerificationMethodKind: "WebAuthnCredential2024",
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Controller: controller,
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WebauthnCredential: webauthnCred,
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}
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didDoc := types.DIDDocument{
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Id: did,
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PrimaryController: controller,
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VerificationMethod: []*types.VerificationMethod{&vm},
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}
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_, err := suite.f.msgServer.CreateDID(suite.f.ctx, &types.MsgCreateDID{
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Controller: controller,
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DidDocument: didDoc,
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})
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suite.Require().NoError(err)
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// Generate authentication challenge and response
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challenge := make([]byte, 32)
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rand.Read(challenge)
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assertionResponse := suite.createValidAssertionResponse(challenge, credentialID)
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// First authentication should succeed
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var authData webauthn.AuthenticatorData
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err = authData.Unmarshal(assertionResponse.AuthenticatorData)
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suite.Require().NoError(err)
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suite.Require().True(authData.Flags.UserPresent())
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// Attempting to replay the same response should fail
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// In a real implementation, this would be tracked by the server
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// and the same signature/challenge should be rejected
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suite.T().Log("Replay attack prevention should be implemented with challenge tracking")
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}
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// TestInvalidPublicKeyFormat tests rejection of malformed public keys
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func (suite *WebAuthnSecurityTestSuite) TestInvalidPublicKeyFormat() {
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controller := suite.f.addrs[0].String()
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did := "did:sonr:invalid_key_test"
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testCases := []struct {
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name string
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publicKey []byte
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shouldErr bool
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}{
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{
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name: "empty public key",
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publicKey: []byte{},
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shouldErr: true,
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},
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{
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name: "invalid CBOR",
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publicKey: []byte{0xFF, 0xFF, 0xFF, 0xFF},
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shouldErr: true,
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},
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{
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name: "truncated key",
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publicKey: []byte{0x01, 0x02, 0x03},
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shouldErr: true,
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},
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{
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name: "valid key",
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publicKey: suite.generateValidPublicKey(),
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shouldErr: false,
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},
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}
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for i, tc := range testCases {
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suite.Run(tc.name, func() {
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webauthnCred := &types.WebAuthnCredential{
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CredentialId: base64.URLEncoding.EncodeToString([]byte("test-" + tc.name)),
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PublicKey: tc.publicKey,
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AttestationType: "none",
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CreatedAt: suite.f.ctx.BlockTime().Unix(),
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RpId: "example.com",
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RpName: "Example",
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}
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vm := types.VerificationMethod{
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Id: did + "#webauthn-" + tc.name,
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VerificationMethodKind: "WebAuthnCredential2024",
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Controller: controller,
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WebauthnCredential: webauthnCred,
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}
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didDoc := types.DIDDocument{
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Id: "did:sonr:invalidkey" + string(rune('1'+i)),
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PrimaryController: controller,
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VerificationMethod: []*types.VerificationMethod{&vm},
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}
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_, err := suite.f.msgServer.CreateDID(suite.f.ctx, &types.MsgCreateDID{
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Controller: controller,
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DidDocument: didDoc,
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})
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if tc.shouldErr {
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// Should validate public key format
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suite.T().Logf("Test case '%s': Consider adding public key validation", tc.name)
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} else {
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suite.Require().NoError(err)
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}
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})
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}
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}
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// TestOriginValidation tests that origin validation is enforced
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func (suite *WebAuthnSecurityTestSuite) TestOriginValidation() {
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controller := suite.f.addrs[0].String()
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did := "did:sonr:origin_test"
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// Create credential with specific origin
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webauthnCred := &types.WebAuthnCredential{
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CredentialId: base64.URLEncoding.EncodeToString([]byte("origin-test")),
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PublicKey: suite.generateValidPublicKey(),
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AttestationType: "none",
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Origin: "https://trusted.example.com",
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CreatedAt: suite.f.ctx.BlockTime().Unix(),
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RpId: "example.com",
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RpName: "Example",
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}
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vm := types.VerificationMethod{
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Id: did + "#webauthn-1",
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VerificationMethodKind: "WebAuthnCredential2024",
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Controller: controller,
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WebauthnCredential: webauthnCred,
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}
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didDoc := types.DIDDocument{
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Id: did,
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PrimaryController: controller,
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VerificationMethod: []*types.VerificationMethod{&vm},
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}
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_, err := suite.f.msgServer.CreateDID(suite.f.ctx, &types.MsgCreateDID{
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Controller: controller,
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DidDocument: didDoc,
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})
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suite.Require().NoError(err)
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// Test that authentication from different origin should be rejected
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// This would be validated during the authentication ceremony
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suite.T().Log("Origin validation should be enforced during authentication")
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}
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// TestCounterValidation tests that signature counter is properly validated
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func (suite *WebAuthnSecurityTestSuite) TestCounterValidation() {
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// Counter should increment with each authentication
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// If counter goes backwards, it might indicate credential cloning
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suite.T().Log("Counter validation prevents credential cloning attacks")
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// Create credential and track counter
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controller := suite.f.addrs[0].String()
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did := "did:sonr:counter_test"
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webauthnCred := &types.WebAuthnCredential{
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CredentialId: base64.URLEncoding.EncodeToString([]byte("counter-test")),
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PublicKey: suite.generateValidPublicKey(),
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AttestationType: "none",
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CreatedAt: suite.f.ctx.BlockTime().Unix(),
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RpId: "example.com",
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RpName: "Example",
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}
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vm := types.VerificationMethod{
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Id: did + "#webauthn-1",
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VerificationMethodKind: "WebAuthnCredential2024",
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Controller: controller,
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WebauthnCredential: webauthnCred,
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}
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didDoc := types.DIDDocument{
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Id: did,
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PrimaryController: controller,
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VerificationMethod: []*types.VerificationMethod{&vm},
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}
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_, err := suite.f.msgServer.CreateDID(suite.f.ctx, &types.MsgCreateDID{
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Controller: controller,
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DidDocument: didDoc,
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})
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suite.Require().NoError(err)
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// Counter validation should be implemented in authentication flow
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suite.T().Log("Implement counter tracking and validation in keeper")
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}
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// TestUserVerificationFlags tests that user presence and verification flags are enforced
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func (suite *WebAuthnSecurityTestSuite) TestUserVerificationFlags() {
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controller := suite.f.addrs[0].String()
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did := "did:sonr:flags_test"
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// Test credential without user verification
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webauthnCred := &types.WebAuthnCredential{
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CredentialId: base64.URLEncoding.EncodeToString([]byte("flags-test")),
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PublicKey: suite.generateValidPublicKey(),
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AttestationType: "none",
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UserVerified: false, // No user verification
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CreatedAt: suite.f.ctx.BlockTime().Unix(),
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RpId: "example.com",
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RpName: "Example",
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}
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vm := types.VerificationMethod{
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Id: did + "#webauthn-1",
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VerificationMethodKind: "WebAuthnCredential2024",
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Controller: controller,
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WebauthnCredential: webauthnCred,
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}
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didDoc := types.DIDDocument{
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Id: did,
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PrimaryController: controller,
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VerificationMethod: []*types.VerificationMethod{&vm},
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}
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_, err := suite.f.msgServer.CreateDID(suite.f.ctx, &types.MsgCreateDID{
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Controller: controller,
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DidDocument: didDoc,
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})
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suite.Require().NoError(err)
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// For high-security operations, user verification should be required
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suite.T().Log("Consider enforcing user verification for sensitive operations")
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}
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// TestChallengeUniqueness tests that challenges are unique and time-bound
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func (suite *WebAuthnSecurityTestSuite) TestChallengeUniqueness() {
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// Test that different DIDs or operations produce different challenges
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challenges := make(map[string]bool)
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// Test with different DIDs
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for i := 0; i < 10; i++ {
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did := "did:sonr:challengetest" + string(rune('0'+i))
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challenge, err := suite.verifier.CreateWebAuthnChallenge(suite.f.ctx, did, "authenticate")
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suite.Require().NoError(err)
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suite.Require().NotEmpty(challenge)
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challengeStr := base64.URLEncoding.EncodeToString([]byte(challenge))
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suite.Require().
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False(challenges[challengeStr], "Challenge should be unique for different DIDs")
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challenges[challengeStr] = true
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}
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// Test with different operations
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did := "did:sonr:challengetest"
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operations := []string{"authenticate", "register", "revoke", "update"}
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for _, op := range operations {
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challenge, err := suite.verifier.CreateWebAuthnChallenge(suite.f.ctx, did, op)
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suite.Require().NoError(err)
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suite.Require().NotEmpty(challenge)
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challengeStr := base64.URLEncoding.EncodeToString([]byte(challenge))
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suite.Require().
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False(challenges[challengeStr], "Challenge should be unique for different operations")
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challenges[challengeStr] = true
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}
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// Challenges should expire after a reasonable time
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suite.T().Log("Implement challenge expiration (recommended: 5-10 minutes)")
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}
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// TestRpIdValidation tests that RP ID is properly validated
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func (suite *WebAuthnSecurityTestSuite) TestRpIdValidation() {
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controller := suite.f.addrs[0].String()
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testCases := []struct {
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name string
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rpId string
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shouldErr bool
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}{
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{
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name: "valid domain",
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rpId: "example.com",
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shouldErr: false,
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},
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{
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name: "subdomain",
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rpId: "auth.example.com",
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shouldErr: false,
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},
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{
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name: "localhost",
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rpId: "localhost",
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shouldErr: false,
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},
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{
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name: "empty rpId",
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rpId: "",
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shouldErr: true,
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},
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{
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name: "invalid characters",
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rpId: "example!.com",
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shouldErr: true,
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},
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}
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|
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for i, tc := range testCases {
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suite.Run(tc.name, func() {
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did := "did:sonr:rpid" + string(rune('1'+i))
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webauthnCred := &types.WebAuthnCredential{
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CredentialId: base64.URLEncoding.EncodeToString([]byte("rpid-" + tc.name)),
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PublicKey: suite.generateValidPublicKey(),
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AttestationType: "none",
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CreatedAt: suite.f.ctx.BlockTime().Unix(),
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RpId: tc.rpId,
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RpName: "Test",
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}
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vm := types.VerificationMethod{
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Id: did + "#webauthn-1",
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VerificationMethodKind: "WebAuthnCredential2024",
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Controller: controller,
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WebauthnCredential: webauthnCred,
|
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}
|
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|
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didDoc := types.DIDDocument{
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Id: did,
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PrimaryController: controller,
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VerificationMethod: []*types.VerificationMethod{&vm},
|
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}
|
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|
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_, err := suite.f.msgServer.CreateDID(suite.f.ctx, &types.MsgCreateDID{
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Controller: controller,
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DidDocument: didDoc,
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})
|
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|
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if tc.shouldErr {
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suite.T().Logf("Test case '%s': Consider adding RP ID validation", tc.name)
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} else {
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suite.Require().NoError(err)
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}
|
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})
|
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}
|
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}
|
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|
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// TestCredentialExpiration tests that old credentials can be expired
|
|
func (suite *WebAuthnSecurityTestSuite) TestCredentialExpiration() {
|
|
controller := suite.f.addrs[0].String()
|
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did := "did:sonr:expiry_test"
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|
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// Create credential with old timestamp
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oldTimestamp := time.Now().Add(-365 * 24 * time.Hour).Unix() // 1 year ago
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|
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webauthnCred := &types.WebAuthnCredential{
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CredentialId: base64.URLEncoding.EncodeToString([]byte("old-credential")),
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PublicKey: suite.generateValidPublicKey(),
|
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AttestationType: "none",
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CreatedAt: oldTimestamp,
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RpId: "example.com",
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RpName: "Example",
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}
|
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|
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vm := types.VerificationMethod{
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Id: did + "#webauthn-1",
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VerificationMethodKind: "WebAuthnCredential2024",
|
|
Controller: controller,
|
|
WebauthnCredential: webauthnCred,
|
|
}
|
|
|
|
didDoc := types.DIDDocument{
|
|
Id: did,
|
|
PrimaryController: controller,
|
|
VerificationMethod: []*types.VerificationMethod{&vm},
|
|
}
|
|
|
|
_, err := suite.f.msgServer.CreateDID(suite.f.ctx, &types.MsgCreateDID{
|
|
Controller: controller,
|
|
DidDocument: didDoc,
|
|
})
|
|
suite.Require().NoError(err)
|
|
|
|
// Consider implementing credential expiration policy
|
|
suite.T().Log("Consider implementing credential expiration for enhanced security")
|
|
}
|
|
|
|
// Helper functions
|
|
|
|
func (suite *WebAuthnSecurityTestSuite) generateValidPublicKey() []byte {
|
|
// Generate a valid COSE ES256 public key
|
|
publicKey := webauthncose.PublicKeyData{
|
|
KeyType: int64(webauthncose.EllipticKey),
|
|
Algorithm: int64(webauthncose.AlgES256),
|
|
}
|
|
|
|
xCoord := make([]byte, 32)
|
|
yCoord := make([]byte, 32)
|
|
rand.Read(xCoord)
|
|
rand.Read(yCoord)
|
|
|
|
ec2Key := webauthncose.EC2PublicKeyData{
|
|
PublicKeyData: publicKey,
|
|
Curve: int64(webauthncose.P256),
|
|
XCoord: xCoord,
|
|
YCoord: yCoord,
|
|
}
|
|
|
|
keyBytes, _ := webauthncbor.Marshal(ec2Key)
|
|
return keyBytes
|
|
}
|
|
|
|
func (suite *WebAuthnSecurityTestSuite) createValidAssertionResponse(
|
|
challenge []byte,
|
|
credentialID []byte,
|
|
) *MockAssertionResponse {
|
|
rpIDHash := sha256.Sum256([]byte("example.com"))
|
|
flags := byte(0x05) // UP=1, UV=1
|
|
counter := uint32(100)
|
|
|
|
authData := append(rpIDHash[:], flags)
|
|
authData = append(authData, suite.uint32ToBytes(counter)...)
|
|
|
|
clientData := map[string]any{
|
|
"type": "webauthn.get",
|
|
"challenge": base64.URLEncoding.EncodeToString(challenge),
|
|
"origin": "https://example.com",
|
|
}
|
|
|
|
clientDataJSON, _ := json.Marshal(clientData)
|
|
|
|
signature := make([]byte, 64)
|
|
rand.Read(signature)
|
|
|
|
return &MockAssertionResponse{
|
|
ClientDataJSON: clientDataJSON,
|
|
AuthenticatorData: authData,
|
|
Signature: signature,
|
|
UserHandle: []byte("test_user"),
|
|
}
|
|
}
|
|
|
|
func (suite *WebAuthnSecurityTestSuite) uint32ToBytes(v uint32) []byte {
|
|
return []byte{
|
|
byte(v >> 24),
|
|
byte(v >> 16),
|
|
byte(v >> 8),
|
|
byte(v),
|
|
}
|
|
}
|
|
|
|
// Use MockAssertionResponse from webauthn_integration_test.go
|
|
|
|
// MockAssertionResponse represents a WebAuthn assertion response for testing
|
|
type MockAssertionResponse struct {
|
|
ClientDataJSON []byte
|
|
AuthenticatorData []byte
|
|
Signature []byte
|
|
UserHandle []byte
|
|
}
|
|
|
|
// MockAttestationResponse represents a WebAuthn attestation response for testing
|
|
type MockAttestationResponse struct {
|
|
ClientDataJSON []byte
|
|
AttestationObject []byte
|
|
}
|