auth

type APIKey struct {
	Key         string     // The API key value (plaintext; used for file-loaded keys)
	KeyHash     string     // bcrypt hash of the key value (used for DB-loaded keys)
	Name        string     // Display name for the key
	Email       string     // Email address for this key (optional; defaults to name@apikey.local)
	Description string     // Human-readable description of what this key is for
	Roles       []string   // Roles assigned to this key
	ExpiresAt   *time.Time // Optional expiration time (nil = never expires)
}

type APIKeyAuthenticator struct {
	// contains filtered or unexported fields
}

type APIKeyConfig struct {
	Keys []APIKey
}

type APIKeyExtractor struct {
	HeaderName string // e.g., "X-API-Key"
	QueryParam string // e.g., "api_key"
}

type APIKeySummary struct {
	Name        string     `json:"name"`
	Email       string     `json:"email,omitempty"`
	Description string     `json:"description,omitempty"`
	Roles       []string   `json:"roles"`
	ExpiresAt   *time.Time `json:"expires_at,omitempty"`
	Expired     bool       `json:"expired,omitempty"`
	Source      string     `json:"source,omitempty"` // "file", "database", or "both"
}

type BearerTokenExtractor struct {
	HeaderName string // Default: "Authorization"
}

type ChainedAuthConfig struct {
	AllowAnonymous bool
}

type ChainedAuthenticator struct {
	// contains filtered or unexported fields
}

type ClaimsExtractor struct {
	// RoleClaimPath is the dot-separated path to roles in claims.
	// e.g., "realm_access.roles" or "roles"
	RoleClaimPath string

	// RolePrefix filters roles to those starting with this prefix.
	RolePrefix string

	// GroupClaimPath is the dot-separated path to groups in claims.
	GroupClaimPath string

	// EmailClaimPath is the path to the email claim.
	EmailClaimPath string

	// NameClaimPath is the path to the name claim.
	NameClaimPath string

	// SubjectClaimPath is the path to the subject claim.
	SubjectClaimPath string
}

type OAuthJWTAuthenticator struct {
	// contains filtered or unexported fields
}

type OAuthJWTConfig struct {
	// Issuer is the expected issuer claim in the JWT.
	Issuer string

	// SigningKey is the HMAC key used to verify JWT signatures.
	SigningKey []byte

	// RoleClaimPath is the path to roles within the nested "claims" object.
	// e.g., "realm_access.roles" extracts claims["claims"]["realm_access"]["roles"]
	RoleClaimPath string

	// RolePrefix filters roles to those with this prefix.
	RolePrefix string
}

type OIDCAuthenticator struct {
	// contains filtered or unexported fields
}

type OIDCConfig struct {
	// Issuer is the OIDC issuer URL.
	Issuer string

	// ClientID is the OAuth client ID.
	ClientID string

	// Audience is the expected audience claim.
	Audience string

	// RoleClaimPath is the path to roles in claims.
	RoleClaimPath string

	// RolePrefix filters roles to those with this prefix.
	RolePrefix string

	// ClockSkewSeconds is the allowed clock skew for time-based claims (default: 30).
	ClockSkewSeconds int

	// MaxTokenAge is the maximum allowed age of a token based on iat claim (0 = no limit).
	MaxTokenAge time.Duration

	// SkipIssuerVerification skips issuer verification (for testing).
	SkipIssuerVerification bool

	// SkipSignatureVerification skips JWT signature verification (for testing only).
	// WARNING: Never enable in production - allows forged tokens.
	SkipSignatureVerification bool
}

type TokenExtractor interface {
	Extract(ctx context.Context) (string, error)
}

type UserContext struct {
	UserID    string         `json:"user_id"`
	Email     string         `json:"email,omitempty"`
	Name      string         `json:"name,omitempty"`
	Roles     []string       `json:"roles,omitempty"`
	Groups    []string       `json:"groups,omitempty"`
	Claims    map[string]any `json:"claims,omitempty"`
	AuthType  string         `json:"auth_type"` // "oidc", "apikey"
	TokenType string         `json:"token_type,omitempty"`
}