ClaimName     = "claim_name"
	ClaimUserinfo = "claim_userinfo"
	RolePolicy    = "role_policy"
	DisplayName   = "display_name"

	Scopes             = "scopes"
	RedirectURI        = "redirect_uri"
	RedirectURIDynamic = "redirect_uri_dynamic"
	Vendor             = "vendor"

	// Vendor specific ENV only enabled if the Vendor matches == "vendor"
	KeyCloakRealm    = "keycloak_realm"
	KeyCloakAdminURL = "keycloak_admin_url"

	XMLNS       string `xml:"xmlns:xsi,attr"`
	XMLXSI      string `xml:"xsi:type,attr"`
	Type        string `xml:"Type"`
	ID          string `xml:"ID,omitempty"`
	DisplayName string `xml:"DisplayName,omitempty"`
	URI         string `xml:"URI,omitempty"`
}

type grant struct {
	Grantee    grantee `xml:"Grantee"`
	Permission string  `xml:"Permission"`
}

type accessControlPolicy struct {

	UserInfoEndpoint                 string   `json:"userinfo_endpoint,omitempty"`
	RevocationEndpoint               string   `json:"revocation_endpoint,omitempty"`
	JwksURI                          string   `json:"jwks_uri,omitempty"`
	ResponseTypesSupported           []string `json:"response_types_supported,omitempty"`
	SubjectTypesSupported            []string `json:"subject_types_supported,omitempty"`

{"request":{"uri":"/2","header":{}}}`,
		},
		{
			name:  "is-not-missing-2",
			query: `select * from s3object[*] as s where s.request.header is not missing`,
			wantResult: `{"request":{"uri":"/1","header":{"User-Agent":"test"}}}
{"request":{"uri":"/2","header":{}}}`,
			withJSON: `{"request":{"uri":"/1","header":{"User-Agent":"test"}}}
{"request":{"uri":"/2","header":{}}}`,
		},
		{

			Optional:    true,
			Type:        "string",
		},
		config.HelpKV{
			Key:         RedirectURIDynamic,
			Description: `Enable 'Host' header based dynamic redirect URI` + defaultHelpPostfix(RedirectURIDynamic),
			Optional:    true,
			Type:        "on|off",
		},
		config.HelpKV{
			Key:         ClaimPrefix,

//
// returns ErrNone if matches. S3 errors otherwise.
func doesPresignV2SignatureMatch(r *http.Request) APIErrorCode {
	// r.RequestURI will have raw encoded URI as sent by the client.
	tokens := strings.SplitN(r.RequestURI, "?", 2)
	encodedResource := tokens[0]
	encodedQuery := ""
	if len(tokens) == 2 {
		encodedQuery = tokens[1]
	}

	var (

	UserInfoEndpoint                 string   `json:"userinfo_endpoint,omitempty"`
	RevocationEndpoint               string   `json:"revocation_endpoint,omitempty"`
	JwksURI                          string   `json:"jwks_uri,omitempty"`
	ResponseTypesSupported           []string `json:"response_types_supported,omitempty"`
	SubjectTypesSupported            []string `json:"subject_types_supported,omitempty"`

			fmt.Sprintf("client_id=%s", testApp.ClientID),
			fmt.Sprintf("client_secret=%s", testApp.ClientSecret),
			"scopes=openid,groups",
			fmt.Sprintf("redirect_uri=%s", testApp.RedirectURL),
		}
		if rolePolicies[i] != "" {
			configCmds = append(configCmds, fmt.Sprintf("role_policy=%s", rolePolicies[i]))
		} else {
			configCmds = append(configCmds, "claim_name=groups")

	// Get signed headers.
	signedHeaders := strings.Join(headers, ";")

	// Get canonical query string.
	req.URL.RawQuery = strings.ReplaceAll(req.URL.Query().Encode(), "+", "%20")

	// Get canonical URI.
	canonicalURI := s3utils.EncodePath(req.URL.Path)

	// Get canonical request.
	// canonicalRequest =
	//  <HTTPMethod>\n
	//  <CanonicalURI>\n
	//  <CanonicalQueryString>\n
	//  <CanonicalHeaders>\n

	UserInfoEndpoint                 string   `json:"userinfo_endpoint,omitempty"`
	RevocationEndpoint               string   `json:"revocation_endpoint,omitempty"`
	JwksURI                          string   `json:"jwks_uri,omitempty"`
	ResponseTypesSupported           []string `json:"response_types_supported,omitempty"`
	SubjectTypesSupported            []string `json:"subject_types_supported,omitempty"`