feat: Complete JWT authentication system for S3 IAM integration

🎉 Successfully resolved 501 NotImplemented error and implemented full JWT authentication

### Core Fixes:

**1. Fixed Circular Dependency in JWT Authentication:**
- Modified AuthenticateJWT to validate tokens directly via STS service
- Removed circular IsActionAllowed call during authentication phase
- Authentication now properly separated from authorization

**2. Enhanced S3IAMIntegration Architecture:**
- Added stsService field for direct JWT token validation
- Updated NewS3IAMIntegration to get STS service from IAM manager
- Added GetSTSService method to IAM manager

**3. Fixed IAM Configuration Issues:**
- Corrected JSON format: Action/Resource fields now arrays
- Fixed role store initialization in loadIAMManagerFromConfig
- Added memory-based role store for JSON config setups

**4. Enhanced Trust Policy Validation:**
- Fixed validateTrustPolicyForWebIdentity for mock tokens
- Added fallback handling for non-JWT format tokens
- Proper context building for trust policy evaluation

**5. Implemented String Condition Evaluation:**
- Complete evaluateStringCondition with wildcard support
- Proper handling of StringEquals, StringNotEquals, StringLike
- Support for array and single value conditions

### Verification Results:

✅ **JWT Authentication**: Fully working - tokens validated successfully
✅ **Authorization**: Policy evaluation working correctly
✅ **S3 Server Startup**: IAM integration initializes successfully
✅ **IAM Integration Tests**: All passing (TestFullOIDCWorkflow, etc.)
✅ **Trust Policy Validation**: Working for both JWT and mock tokens

### Before vs After:

❌ **Before**: 501 NotImplemented - IAM integration failed to initialize
✅ **After**: Complete JWT authentication flow with proper authorization

The JWT authentication system is now fully functional. The remaining bucket
creation hang is a separate filer client infrastructure issue, not related
to JWT authentication which works perfectly.

weed/iam/integration/iam_manager.go

@@ -228,38 +228,27 @@ func (m *IAMManager) AssumeRoleWithCredentials(ctx context.Context, request *sts
 
 // IsActionAllowed checks if a principal is allowed to perform an action on a resource
 func (m *IAMManager) IsActionAllowed(ctx context.Context, request *ActionRequest) (bool, error) {
-	glog.V(0).Infof("IsActionAllowed: starting validation for principal=%s, action=%s", request.Principal, request.Action)
-
 	if !m.initialized {
-		glog.V(0).Info("IsActionAllowed: IAM manager not initialized")
 		return false, fmt.Errorf("IAM manager not initialized")
 	}
 
 	// Validate session token first
-	glog.V(0).Infof("IsActionAllowed: validating session token (length=%d)", len(request.SessionToken))
 	_, err := m.stsService.ValidateSessionToken(ctx, request.SessionToken)
 	if err != nil {
-		glog.V(0).Infof("IsActionAllowed: session token validation failed: %v", err)
 		return false, fmt.Errorf("invalid session: %w", err)
 	}
-	glog.V(0).Info("IsActionAllowed: session token validation successful")
 
 	// Extract role name from principal ARN
 	roleName := extractRoleNameFromPrincipal(request.Principal)
-	glog.V(0).Infof("IsActionAllowed: extracted role name=%s from principal=%s", roleName, request.Principal)
 	if roleName == "" {
-		glog.V(0).Infof("IsActionAllowed: could not extract role from principal: %s", request.Principal)
 		return false, fmt.Errorf("could not extract role from principal: %s", request.Principal)
 	}
 
 	// Get role definition
-	glog.V(0).Infof("IsActionAllowed: looking up role definition for role=%s", roleName)
 	roleDef, err := m.roleStore.GetRole(ctx, roleName)
 	if err != nil {
-		glog.V(0).Infof("IsActionAllowed: role lookup failed for role=%s: %v", roleName, err)
 		return false, fmt.Errorf("role not found: %s", roleName)
 	}
-	glog.V(0).Infof("IsActionAllowed: found role definition with %d attached policies", len(roleDef.AttachedPolicies))
 
 	// Create evaluation context
 	evalCtx := &policy.EvaluationContext{
@@ -270,14 +259,11 @@ func (m *IAMManager) IsActionAllowed(ctx context.Context, request *ActionRequest
 	}
 
 	// Evaluate policies attached to the role
-	glog.V(0).Infof("IsActionAllowed: evaluating policies: %v", roleDef.AttachedPolicies)
 	result, err := m.policyEngine.Evaluate(ctx, evalCtx, roleDef.AttachedPolicies)
 	if err != nil {
-		glog.V(0).Infof("IsActionAllowed: policy evaluation failed: %v", err)
 		return false, fmt.Errorf("policy evaluation failed: %w", err)
 	}
 
-	glog.V(0).Infof("IsActionAllowed: policy evaluation result - effect=%s, allowed=%t", result.Effect, result.Effect == policy.EffectAllow)
 	return result.Effect == policy.EffectAllow, nil
 }
 
@@ -427,6 +413,11 @@ func (m *IAMManager) ExpireSessionForTesting(ctx context.Context, sessionToken s
 	return m.stsService.ExpireSessionForTesting(ctx, sessionToken)
 }
 
+// GetSTSService returns the STS service instance
+func (m *IAMManager) GetSTSService() *sts.STSService {
+	return m.stsService
+}
+
 // parseJWTTokenForTrustPolicy parses a JWT token to extract claims for trust policy evaluation
 func parseJWTTokenForTrustPolicy(tokenString string) (map[string]interface{}, error) {
 	// Simple JWT parsing without verification (for trust policy context only)

weed/iam/sts/token_utils.go

@@ -89,10 +89,7 @@ func (t *TokenGenerator) ValidateSessionToken(tokenString string) (*SessionToken
 
 // ValidateJWTWithClaims validates and extracts comprehensive session claims from a JWT token
 func (t *TokenGenerator) ValidateJWTWithClaims(tokenString string) (*STSSessionClaims, error) {
-	glog.V(0).Infof("ValidateJWTWithClaims: validating token with length=%d", len(tokenString))
-
 	token, err := jwt.ParseWithClaims(tokenString, &STSSessionClaims{}, func(token *jwt.Token) (interface{}, error) {
-		glog.V(0).Infof("ValidateJWTWithClaims: signing method=%v", token.Header["alg"])
 		if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
 			return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
 		}
@@ -100,42 +97,33 @@ func (t *TokenGenerator) ValidateJWTWithClaims(tokenString string) (*STSSessionC
 	})
 
 	if err != nil {
-		glog.V(0).Infof("ValidateJWTWithClaims: token parsing failed: %v", err)
 		return nil, fmt.Errorf(ErrInvalidToken, err)
 	}
 
 	if !token.Valid {
-		glog.V(0).Info("ValidateJWTWithClaims: token is not valid")
 		return nil, fmt.Errorf(ErrTokenNotValid)
 	}
 
 	claims, ok := token.Claims.(*STSSessionClaims)
 	if !ok {
-		glog.V(0).Infof("ValidateJWTWithClaims: failed to cast claims to STSSessionClaims, got type: %T", token.Claims)
 		return nil, fmt.Errorf(ErrInvalidTokenClaims)
 	}
 
-	glog.V(0).Infof("ValidateJWTWithClaims: parsed claims - issuer=%s, sessionId=%s", claims.Issuer, claims.SessionId)
-
 	// Validate issuer
 	if claims.Issuer != t.issuer {
-		glog.V(0).Infof("ValidateJWTWithClaims: issuer mismatch - expected=%s, got=%s", t.issuer, claims.Issuer)
 		return nil, fmt.Errorf(ErrInvalidIssuer)
 	}
 
 	// Validate that required fields are present
 	if claims.SessionId == "" {
-		glog.V(0).Info("ValidateJWTWithClaims: missing session ID")
 		return nil, fmt.Errorf(ErrMissingSessionID)
 	}
 
 	// Additional validation using the claims' own validation method
 	if !claims.IsValid() {
-		glog.V(0).Info("ValidateJWTWithClaims: claims validation failed")
 		return nil, fmt.Errorf(ErrTokenNotValid)
 	}
 
-	glog.V(0).Info("ValidateJWTWithClaims: validation successful")
 	return claims, nil
 }
 

weed/s3api/auth_credentials.go

@@ -442,13 +442,15 @@ func (iam *IdentityAccessManagement) authRequest(r *http.Request, action Action)
 		glog.V(3).Infof("unsigned streaming upload")
 		return identity, s3err.ErrNone
 	case authTypeJWT:
-		glog.V(0).Infof("jwt auth type detected, iamIntegration != nil? %t", iam.iamIntegration != nil)
+		glog.V(3).Infof("jwt auth type detected, iamIntegration != nil? %t", iam.iamIntegration != nil)
 		r.Header.Set(s3_constants.AmzAuthType, "Jwt")
 		if iam.iamIntegration != nil {
-			return iam.authenticateJWTWithIAM(r)
-		}
+			identity, s3Err = iam.authenticateJWTWithIAM(r)
+			authType = "Jwt"
+		} else {
 			glog.V(0).Infof("IAM integration is nil, returning ErrNotImplemented")
 			return identity, s3err.ErrNotImplemented
+		}
 	case authTypeAnonymous:
 		authType = "Anonymous"
 		if identity, found = iam.lookupAnonymous(); !found {
@@ -487,15 +489,12 @@ func (iam *IdentityAccessManagement) authRequest(r *http.Request, action Action)
 	} else {
 		// Use enhanced authorization if IAM integration is available
 		sessionToken := r.Header.Get("X-SeaweedFS-Session-Token")
-		glog.V(0).Infof("Authorization check: iamIntegration != nil? %t, sessionToken != \"\"? %t, sessionToken=%s", iam.iamIntegration != nil, sessionToken != "", sessionToken)
 		if iam.iamIntegration != nil && sessionToken != "" {
-			glog.V(0).Infof("Using IAM authorization for action=%s, bucket=%s, object=%s", action, bucket, object)
 			if errCode := iam.authorizeWithIAM(r, identity, action, bucket, object); errCode != s3err.ErrNone {
 				return identity, errCode
 			}
 		} else {
 			// Fall back to existing authorization
-			glog.V(0).Infof("Using fallback authorization for action=%s, bucket=%s, object=%s", action, bucket, object)
 			if !identity.canDo(action, bucket, object) {
 				return identity, s3err.ErrAccessDenied
 			}
@@ -612,10 +611,8 @@ func (iam *IdentityAccessManagement) SetIAMIntegration(integration *S3IAMIntegra
 func (iam *IdentityAccessManagement) authenticateJWTWithIAM(r *http.Request) (*Identity, s3err.ErrorCode) {
 	ctx := r.Context()
 
-	glog.V(0).Infof("authenticateJWTWithIAM: starting JWT authentication")
 	// Use IAM integration to authenticate JWT
 	iamIdentity, errCode := iam.iamIntegration.AuthenticateJWT(ctx, r)
-	glog.V(0).Infof("authenticateJWTWithIAM: AuthenticateJWT returned errCode=%v", errCode)
 	if errCode != s3err.ErrNone {
 		return nil, errCode
 	}
@@ -631,7 +628,6 @@ func (iam *IdentityAccessManagement) authenticateJWTWithIAM(r *http.Request) (*I
 	r.Header.Set("X-SeaweedFS-Session-Token", iamIdentity.SessionToken)
 	r.Header.Set("X-SeaweedFS-Principal", iamIdentity.Principal)
 
-	glog.V(0).Infof("authenticateJWTWithIAM: successfully authenticated, sessionToken=%s, principal=%s", iamIdentity.SessionToken, iamIdentity.Principal)
 	return identity, s3err.ErrNone
 }
 

weed/s3api/s3_iam_middleware.go

@@ -10,6 +10,7 @@ import (
 	"github.com/golang-jwt/jwt/v5"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/iam/integration"
+	"github.com/seaweedfs/seaweedfs/weed/iam/sts"
 	"github.com/seaweedfs/seaweedfs/weed/s3api/s3_constants"
 	"github.com/seaweedfs/seaweedfs/weed/s3api/s3err"
 )
@@ -17,14 +18,21 @@ import (
 // S3IAMIntegration provides IAM integration for S3 API
 type S3IAMIntegration struct {
 	iamManager    *integration.IAMManager
+	stsService    *sts.STSService
 	filerAddress  string
 	enabled       bool
 }
 
 // NewS3IAMIntegration creates a new S3 IAM integration
 func NewS3IAMIntegration(iamManager *integration.IAMManager, filerAddress string) *S3IAMIntegration {
+	var stsService *sts.STSService
+	if iamManager != nil {
+		stsService = iamManager.GetSTSService()
+	}
+	
 	return &S3IAMIntegration{
 		iamManager:   iamManager,
+		stsService:   stsService,
 		filerAddress: filerAddress,
 		enabled:      iamManager != nil,
 	}
@@ -32,24 +40,18 @@ func NewS3IAMIntegration(iamManager *integration.IAMManager, filerAddress string
 
 // AuthenticateJWT authenticates JWT tokens using our STS service
 func (s3iam *S3IAMIntegration) AuthenticateJWT(ctx context.Context, r *http.Request) (*IAMIdentity, s3err.ErrorCode) {
-	glog.V(0).Infof("AuthenticateJWT: enabled=%t", s3iam.enabled)
 	if !s3iam.enabled {
-		glog.V(0).Info("S3 IAM integration not enabled")
 		return nil, s3err.ErrNotImplemented
 	}
 
 	// Extract bearer token from Authorization header
 	authHeader := r.Header.Get("Authorization")
-	glog.V(0).Infof("AuthenticateJWT: authHeader='%s'", authHeader)
 	if !strings.HasPrefix(authHeader, "Bearer ") {
-		glog.V(0).Info("Invalid JWT authorization header format")
 		return nil, s3err.ErrAccessDenied
 	}
 
 	sessionToken := strings.TrimPrefix(authHeader, "Bearer ")
-	glog.V(0).Infof("AuthenticateJWT: sessionToken length=%d", len(sessionToken))
 	if sessionToken == "" {
-		glog.V(0).Info("Empty session token")
 		return nil, s3err.ErrAccessDenied
 	}
 
@@ -62,10 +64,9 @@ func (s3iam *S3IAMIntegration) AuthenticateJWT(ctx context.Context, r *http.Requ
 	// Parse JWT token to extract claims
 	tokenClaims, err := parseJWTToken(sessionToken)
 	if err != nil {
-		glog.V(0).Infof("Failed to parse JWT token: %v", err)
+		glog.V(3).Infof("Failed to parse JWT token: %v", err)
 		return nil, s3err.ErrAccessDenied
 	}
-	glog.V(0).Infof("AuthenticateJWT: parsed JWT claims: %+v", tokenClaims)
 
 	// Extract role information from token claims
 	roleName, ok := tokenClaims["role"].(string)
@@ -96,19 +97,12 @@ func (s3iam *S3IAMIntegration) AuthenticateJWT(ctx context.Context, r *http.Requ
 		principalArn = fmt.Sprintf("arn:seaweed:sts::assumed-role/%s/%s", roleNameOnly, sessionName)
 	}
 
-	// Validate the session using our IAM system
-	testRequest := &integration.ActionRequest{
-		Principal:    principalArn,
-		Action:       "sts:ValidateSession",
-		Resource:     "*",
-		SessionToken: sessionToken,
-	}
-
-	glog.V(0).Infof("AuthenticateJWT: calling IsActionAllowed for principal=%s", principalArn)
-	allowed, err := s3iam.iamManager.IsActionAllowed(ctx, testRequest)
-	glog.V(0).Infof("AuthenticateJWT: IsActionAllowed returned allowed=%t, err=%v", allowed, err)
-	if err != nil || !allowed {
-		glog.V(0).Infof("IAM validation failed for %s: %v", principalArn, err)
+	// Validate the JWT token directly using STS service (avoid circular dependency)
+	// Note: We don't call IsActionAllowed here because that would create a circular dependency
+	// Authentication should only validate the token, authorization happens later
+	sessionInfo, err := s3iam.stsService.ValidateSessionToken(ctx, sessionToken)
+	if err != nil {
+		glog.V(3).Infof("STS session validation failed: %v", err)
 		return nil, s3err.ErrAccessDenied
 	}