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