Merge branch 'release-0.4' into main
This commit is contained in:
Ryan Richard
commit
6ef7ec21cd
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@ -24,6 +24,14 @@ import (
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"go.pinniped.dev/internal/plog"
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)
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const (
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// The name of the email claim from https://openid.net/specs/openid-connect-core-1_0.html#StandardClaims
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emailClaimName = "email"
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// The name of the email_verified claim from https://openid.net/specs/openid-connect-core-1_0.html#StandardClaims
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emailVerifiedClaimName = "email_verified"
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)
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func NewHandler(
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idpListGetter oidc.IDPListGetter,
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oauthHelper fosite.OAuth2Provider,
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@ -222,18 +230,41 @@ func getSubjectAndUsernameFromUpstreamIDToken(
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subject := fmt.Sprintf("%s?%s=%s", upstreamIssuerAsString, oidc.IDTokenSubjectClaim, upstreamSubject)
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usernameClaim := upstreamIDPConfig.GetUsernameClaim()
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if usernameClaim == "" {
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usernameClaimName := upstreamIDPConfig.GetUsernameClaim()
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if usernameClaimName == "" {
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return subject, subject, nil
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}
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usernameAsInterface, ok := idTokenClaims[usernameClaim]
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// If the upstream username claim is configured to be the special "email" claim and the upstream "email_verified"
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// claim is present, then validate that the "email_verified" claim is true.
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emailVerifiedAsInterface, ok := idTokenClaims[emailVerifiedClaimName]
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if usernameClaimName == emailClaimName && ok {
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emailVerified, ok := emailVerifiedAsInterface.(bool)
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if !ok {
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plog.Warning(
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"username claim configured as \"email\" and upstream email_verified claim is not a boolean",
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"upstreamName", upstreamIDPConfig.GetName(),
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"configuredUsernameClaim", usernameClaimName,
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"emailVerifiedClaim", emailVerifiedAsInterface,
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)
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return "", "", httperr.New(http.StatusUnprocessableEntity, "email_verified claim in upstream ID token has invalid format")
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}
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if !emailVerified {
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plog.Warning(
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"username claim configured as \"email\" and upstream email_verified claim has false value",
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"upstreamName", upstreamIDPConfig.GetName(),
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"configuredUsernameClaim", usernameClaimName,
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)
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return "", "", httperr.New(http.StatusUnprocessableEntity, "email_verified claim in upstream ID token has false value")
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}
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}
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usernameAsInterface, ok := idTokenClaims[usernameClaimName]
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if !ok {
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plog.Warning(
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"no username claim in upstream ID token",
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"upstreamName", upstreamIDPConfig.GetName(),
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"configuredUsernameClaim", upstreamIDPConfig.GetUsernameClaim(),
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"usernameClaim", usernameClaim,
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"configuredUsernameClaim", usernameClaimName,
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)
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return "", "", httperr.New(http.StatusUnprocessableEntity, "no username claim in upstream ID token")
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}
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@ -243,8 +274,7 @@ func getSubjectAndUsernameFromUpstreamIDToken(
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plog.Warning(
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"username claim in upstream ID token has invalid format",
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"upstreamName", upstreamIDPConfig.GetName(),
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"configuredUsernameClaim", upstreamIDPConfig.GetUsernameClaim(),
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"usernameClaim", usernameClaim,
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"configuredUsernameClaim", usernameClaimName,
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)
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return "", "", httperr.New(http.StatusUnprocessableEntity, "username claim in upstream ID token has invalid format")
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}
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@ -256,18 +286,17 @@ func getGroupsFromUpstreamIDToken(
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upstreamIDPConfig provider.UpstreamOIDCIdentityProviderI,
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idTokenClaims map[string]interface{},
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) ([]string, error) {
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groupsClaim := upstreamIDPConfig.GetGroupsClaim()
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if groupsClaim == "" {
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groupsClaimName := upstreamIDPConfig.GetGroupsClaim()
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if groupsClaimName == "" {
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return nil, nil
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}
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groupsAsInterface, ok := idTokenClaims[groupsClaim]
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groupsAsInterface, ok := idTokenClaims[groupsClaimName]
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if !ok {
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plog.Warning(
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"no groups claim in upstream ID token",
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"upstreamName", upstreamIDPConfig.GetName(),
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"configuredGroupsClaim", upstreamIDPConfig.GetGroupsClaim(),
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"groupsClaim", groupsClaim,
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"configuredGroupsClaim", groupsClaimName,
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)
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return nil, nil // the upstream IDP may have omitted the claim if the user has no groups
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}
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@ -277,8 +306,7 @@ func getGroupsFromUpstreamIDToken(
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plog.Warning(
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"groups claim in upstream ID token has invalid format",
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"upstreamName", upstreamIDPConfig.GetName(),
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"configuredGroupsClaim", upstreamIDPConfig.GetGroupsClaim(),
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"groupsClaim", groupsClaim,
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"configuredGroupsClaim", groupsClaimName,
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)
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return nil, httperr.New(http.StatusUnprocessableEntity, "groups claim in upstream ID token has invalid format")
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}
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@ -180,6 +180,93 @@ func TestCallbackEndpoint(t *testing.T) {
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wantDownstreamPKCEChallengeMethod: downstreamPKCEChallengeMethod,
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wantExchangeAndValidateTokensCall: happyExchangeAndValidateTokensArgs,
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},
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{
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name: "upstream IDP configures username claim as special claim `email` and `email_verified` upstream claim is missing",
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idp: happyUpstream().WithUsernameClaim("email").
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WithIDTokenClaim("email", "joe@whitehouse.gov").Build(),
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method: http.MethodGet,
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path: newRequestPath().WithState(happyState).String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusFound,
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wantRedirectLocationRegexp: happyDownstreamRedirectLocationRegexp,
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wantBody: "",
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wantDownstreamIDTokenSubject: upstreamIssuer + "?sub=" + upstreamSubject,
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wantDownstreamIDTokenUsername: "joe@whitehouse.gov",
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wantDownstreamIDTokenGroups: upstreamGroupMembership,
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wantDownstreamRequestedScopes: happyDownstreamScopesRequested,
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wantDownstreamGrantedScopes: happyDownstreamScopesGranted,
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wantDownstreamNonce: downstreamNonce,
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wantDownstreamPKCEChallenge: downstreamPKCEChallenge,
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wantDownstreamPKCEChallengeMethod: downstreamPKCEChallengeMethod,
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wantExchangeAndValidateTokensCall: happyExchangeAndValidateTokensArgs,
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},
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{
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name: "upstream IDP configures username claim as special claim `email` and `email_verified` upstream claim is present with true value",
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idp: happyUpstream().WithUsernameClaim("email").
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WithIDTokenClaim("email", "joe@whitehouse.gov").
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WithIDTokenClaim("email_verified", true).Build(),
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method: http.MethodGet,
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path: newRequestPath().WithState(happyState).String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusFound,
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wantRedirectLocationRegexp: happyDownstreamRedirectLocationRegexp,
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wantBody: "",
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wantDownstreamIDTokenSubject: upstreamIssuer + "?sub=" + upstreamSubject,
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wantDownstreamIDTokenUsername: "joe@whitehouse.gov",
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wantDownstreamIDTokenGroups: upstreamGroupMembership,
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wantDownstreamRequestedScopes: happyDownstreamScopesRequested,
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wantDownstreamGrantedScopes: happyDownstreamScopesGranted,
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wantDownstreamNonce: downstreamNonce,
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wantDownstreamPKCEChallenge: downstreamPKCEChallenge,
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wantDownstreamPKCEChallengeMethod: downstreamPKCEChallengeMethod,
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wantExchangeAndValidateTokensCall: happyExchangeAndValidateTokensArgs,
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},
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{
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name: "upstream IDP configures username claim as anything other than special claim `email` and `email_verified` upstream claim is present with false value",
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idp: happyUpstream().WithUsernameClaim("some-claim").
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WithIDTokenClaim("some-claim", "joe").
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WithIDTokenClaim("email", "joe@whitehouse.gov").
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WithIDTokenClaim("email_verified", false).Build(),
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method: http.MethodGet,
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path: newRequestPath().WithState(happyState).String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusFound, // succeed despite `email_verified=false` because we're not using the email claim for anything
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wantRedirectLocationRegexp: happyDownstreamRedirectLocationRegexp,
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wantBody: "",
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wantDownstreamIDTokenSubject: upstreamIssuer + "?sub=" + upstreamSubject,
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wantDownstreamIDTokenUsername: "joe",
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wantDownstreamIDTokenGroups: upstreamGroupMembership,
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wantDownstreamRequestedScopes: happyDownstreamScopesRequested,
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wantDownstreamGrantedScopes: happyDownstreamScopesGranted,
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wantDownstreamNonce: downstreamNonce,
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wantDownstreamPKCEChallenge: downstreamPKCEChallenge,
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wantDownstreamPKCEChallengeMethod: downstreamPKCEChallengeMethod,
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wantExchangeAndValidateTokensCall: happyExchangeAndValidateTokensArgs,
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},
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{
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name: "upstream IDP configures username claim as special claim `email` and `email_verified` upstream claim is present with illegal value",
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idp: happyUpstream().WithUsernameClaim("email").
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WithIDTokenClaim("email", "joe@whitehouse.gov").
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WithIDTokenClaim("email_verified", "supposed to be boolean").Build(),
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method: http.MethodGet,
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path: newRequestPath().WithState(happyState).String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusUnprocessableEntity,
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wantBody: "Unprocessable Entity: email_verified claim in upstream ID token has invalid format\n",
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wantExchangeAndValidateTokensCall: happyExchangeAndValidateTokensArgs,
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},
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{
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name: "upstream IDP configures username claim as special claim `email` and `email_verified` upstream claim is present with false value",
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idp: happyUpstream().WithUsernameClaim("email").
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WithIDTokenClaim("email", "joe@whitehouse.gov").
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WithIDTokenClaim("email_verified", false).Build(),
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method: http.MethodGet,
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path: newRequestPath().WithState(happyState).String(),
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csrfCookie: happyCSRFCookie,
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wantStatus: http.StatusUnprocessableEntity,
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wantBody: "Unprocessable Entity: email_verified claim in upstream ID token has false value\n",
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wantExchangeAndValidateTokensCall: happyExchangeAndValidateTokensArgs,
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},
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{
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name: "upstream IDP provides username claim configuration as `sub`, so the downstream token subject should be exactly what they asked for",
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idp: happyUpstream().WithUsernameClaim("sub").Build(),
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