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package oidc
import (
"context"
"fmt"
"github.com/seaweedfs/seaweedfs/weed/iam/providers"
)
// OIDCProvider implements OpenID Connect authentication
type OIDCProvider struct {
name string
config *OIDCConfig
initialized bool
}
// OIDCConfig holds OIDC provider configuration
type OIDCConfig struct {
// Issuer is the OIDC issuer URL
Issuer string `json:"issuer"`
// ClientID is the OAuth2 client ID
ClientID string `json:"clientId"`
// ClientSecret is the OAuth2 client secret (optional for public clients)
ClientSecret string `json:"clientSecret,omitempty"`
// JWKSUri is the JSON Web Key Set URI
JWKSUri string `json:"jwksUri,omitempty"`
// UserInfoUri is the UserInfo endpoint URI
UserInfoUri string `json:"userInfoUri,omitempty"`
// Scopes are the OAuth2 scopes to request
Scopes []string `json:"scopes,omitempty"`
// RoleMapping defines how to map OIDC claims to roles
RoleMapping *providers.RoleMapping `json:"roleMapping,omitempty"`
// ClaimsMapping defines how to map OIDC claims to identity attributes
ClaimsMapping map[string]string `json:"claimsMapping,omitempty"`
}
// NewOIDCProvider creates a new OIDC provider
func NewOIDCProvider(name string) *OIDCProvider {
return &OIDCProvider{
name: name,
}
}
// Name returns the provider name
func (p *OIDCProvider) Name() string {
return p.name
}
// Initialize initializes the OIDC provider with configuration
func (p *OIDCProvider) Initialize(config interface{}) error {
oidcConfig, ok := config.(*OIDCConfig)
if !ok {
return fmt.Errorf("invalid config type for OIDC provider")
}
if err := p.validateConfig(oidcConfig); err != nil {
return fmt.Errorf("invalid OIDC configuration: %w", err)
}
p.config = oidcConfig
p.initialized = true
// TODO: Initialize OIDC client, fetch JWKS, etc.
return fmt.Errorf("not implemented yet")
}
// validateConfig validates the OIDC configuration
func (p *OIDCProvider) validateConfig(config *OIDCConfig) error {
if config.Issuer == "" {
return fmt.Errorf("issuer is required")
}
if config.ClientID == "" {
return fmt.Errorf("client ID is required")
}
// Basic URL validation for issuer
if config.Issuer != "" && config.Issuer != "https://accounts.google.com" && config.Issuer[0:4] != "http" {
return fmt.Errorf("invalid issuer URL format")
}
return nil
}
// Authenticate authenticates a user with an OIDC token
func (p *OIDCProvider) Authenticate(ctx context.Context, token string) (*providers.ExternalIdentity, error) {
if !p.initialized {
return nil, fmt.Errorf("provider not initialized")
}
// TODO: Validate JWT token, extract claims, map to identity
return nil, fmt.Errorf("not implemented yet")
}
// GetUserInfo retrieves user information from the UserInfo endpoint
func (p *OIDCProvider) GetUserInfo(ctx context.Context, userID string) (*providers.ExternalIdentity, error) {
if !p.initialized {
return nil, fmt.Errorf("provider not initialized")
}
if userID == "" {
return nil, fmt.Errorf("user ID cannot be empty")
}
// TODO: Call UserInfo endpoint
return nil, fmt.Errorf("not implemented yet")
}
// ValidateToken validates an OIDC JWT token
func (p *OIDCProvider) ValidateToken(ctx context.Context, token string) (*providers.TokenClaims, error) {
if !p.initialized {
return nil, fmt.Errorf("provider not initialized")
}
// TODO: Validate JWT signature, claims, expiration
return nil, fmt.Errorf("not implemented yet")
}