service backend

api/pkg/auth/internal/casbin/action.go

@@ -0,0 +1,23 @@
+package casbin
+
+import (
+	"fmt"
+
+	"github.com/tech/sendico/pkg/merrors"
+	"github.com/tech/sendico/pkg/model"
+)
+
+func stringToAction(actionStr string) (model.Action, error) {
+	switch actionStr {
+	case string(model.ActionCreate):
+		return model.ActionCreate, nil
+	case string(model.ActionRead):
+		return model.ActionRead, nil
+	case string(model.ActionUpdate):
+		return model.ActionUpdate, nil
+	case string(model.ActionDelete):
+		return model.ActionDelete, nil
+	default:
+		return "", merrors.InvalidArgument(fmt.Sprintf("invalid action: %s", actionStr))
+	}
+}

api/pkg/auth/internal/casbin/config/config.go

@@ -0,0 +1,126 @@
+package casbin
+
+import (
+	"os"
+	"time"
+
+	mongodbadapter "github.com/casbin/mongodb-adapter/v3"
+	"github.com/tech/sendico/pkg/merrors"
+	"github.com/tech/sendico/pkg/mlogger"
+	"go.uber.org/zap"
+)
+
+type AdapterConfig struct {
+	DatabaseName      *string `mapstructure:"database_name"`
+	DatabaseNameEnv   *string `mapstructure:"database_name_env"`
+	CollectionName    *string `mapstructure:"collection_name"`
+	CollectionNameEnv *string `mapstructure:"collection_name_env"`
+	TimeoutSeconds    *int    `mapstructure:"timeout_seconds"`
+	TimeoutSecondsEnv *string `mapstructure:"timeout_seconds_env"`
+	IsFiltered        *bool   `mapstructure:"is_filtered"`
+	IsFilteredEnv     *string `mapstructure:"is_filtered_env"`
+}
+
+type Config struct {
+	ModelPath    *string        `mapstructure:"model_path"`
+	ModelPathEnv *string        `mapstructure:"model_path_env"`
+	Adapter      *AdapterConfig `mapstructure:"adapter"`
+}
+
+type EnforcerConfig struct {
+	ModelPath string
+	Adapter   *mongodbadapter.AdapterConfig
+}
+
+func getEnvValue(logger mlogger.Logger, varName, envVarName string, value, envValue *string) string {
+	if value != nil && envValue != nil {
+		logger.Warn("Both variable and environment variable are set, using environment variable value",
+			zap.String("variable", varName), zap.String("environment_variable", envVarName), zap.String("value", *value), zap.String("env_value", os.Getenv(*envValue)))
+	}
+
+	if envValue != nil {
+		return os.Getenv(*envValue)
+	}
+
+	if value != nil {
+		return *value
+	}
+
+	return ""
+}
+
+func getEnvIntValue(logger mlogger.Logger, varName, envVarName string, value *int, envValue *string) int {
+	if value != nil && envValue != nil {
+		logger.Warn("Both variable and environment variable are set, using environment variable value",
+			zap.String("variable", varName), zap.String("environment_variable", envVarName), zap.Int("value", *value), zap.String("env_value", os.Getenv(*envValue)))
+	}
+
+	if envValue != nil {
+		envStr := os.Getenv(*envValue)
+		if envStr != "" {
+			if parsed, err := time.ParseDuration(envStr + "s"); err == nil {
+				return int(parsed.Seconds())
+			}
+			logger.Warn("Invalid environment variable value for timeout", zap.String("environment_variable", envVarName), zap.String("value", envStr))
+		}
+	}
+
+	if value != nil {
+		return *value
+	}
+
+	return 30 // Default timeout in seconds
+}
+
+func getEnvBoolValue(logger mlogger.Logger, varName, envVarName string, value *bool, envValue *string) bool {
+	if value != nil && envValue != nil {
+		logger.Warn("Both variable and environment variable are set, using environment variable value",
+			zap.String("variable", varName), zap.String("environment_variable", envVarName), zap.Bool("value", *value), zap.String("env_value", os.Getenv(*envValue)))
+	}
+
+	if envValue != nil {
+		envStr := os.Getenv(*envValue)
+		if envStr == "true" || envStr == "1" {
+			return true
+		} else if envStr == "false" || envStr == "0" {
+			return false
+		}
+		logger.Warn("Invalid environment variable value for boolean", zap.String("environment_variable", envVarName), zap.String("value", envStr))
+	}
+
+	if value != nil {
+		return *value
+	}
+
+	return false // Default for boolean
+}
+
+func PrepareConfig(logger mlogger.Logger, config *Config) (*EnforcerConfig, error) {
+	if config == nil {
+		return nil, merrors.Internal("No configuration provided")
+	}
+
+	adapter := &mongodbadapter.AdapterConfig{
+		DatabaseName:   getEnvValue(logger, "database_name", "database_name_env", config.Adapter.DatabaseName, config.Adapter.DatabaseNameEnv),
+		CollectionName: getEnvValue(logger, "collection_name", "collection_name_env", config.Adapter.CollectionName, config.Adapter.CollectionNameEnv),
+		Timeout:        time.Duration(getEnvIntValue(logger, "timeout_seconds", "timeout_seconds_env", config.Adapter.TimeoutSeconds, config.Adapter.TimeoutSecondsEnv)) * time.Second,
+		IsFiltered:     getEnvBoolValue(logger, "is_filtered", "is_filtered_env", config.Adapter.IsFiltered, config.Adapter.IsFilteredEnv),
+	}
+
+	if len(adapter.DatabaseName) == 0 {
+		logger.Error("Database name is not set")
+		return nil, merrors.InvalidArgument("database name must be provided")
+	}
+
+	path := getEnvValue(logger, "model_path", "model_path_env", config.ModelPath, config.ModelPathEnv)
+
+	logger.Info("Configuration prepared",
+		zap.String("model_path", path),
+		zap.String("database_name", adapter.DatabaseName),
+		zap.String("collection_name", adapter.CollectionName),
+		zap.Duration("timeout", adapter.Timeout),
+		zap.Bool("is_filtered", adapter.IsFiltered),
+	)
+
+	return &EnforcerConfig{ModelPath: path, Adapter: adapter}, nil
+}

api/pkg/auth/internal/casbin/enforcer.go

@@ -0,0 +1,206 @@
+// casbin_enforcer.go
+package casbin
+
+import (
+	"context"
+
+	"github.com/casbin/casbin/v2"
+	"github.com/tech/sendico/pkg/auth/anyobject"
+	cc "github.com/tech/sendico/pkg/auth/internal/casbin/config"
+	"github.com/tech/sendico/pkg/auth/internal/casbin/serialization"
+	"github.com/tech/sendico/pkg/merrors"
+	"github.com/tech/sendico/pkg/mlogger"
+	"github.com/tech/sendico/pkg/model"
+	"github.com/tech/sendico/pkg/mutil/mzap"
+	"github.com/mitchellh/mapstructure"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.mongodb.org/mongo-driver/mongo"
+	"go.uber.org/zap"
+)
+
+// CasbinEnforcer implements the Enforcer interface using Casbin.
+type CasbinEnforcer struct {
+	logger               mlogger.Logger
+	enforcer             *casbin.Enforcer
+	roleSerializer       serialization.Role
+	permissionSerializer serialization.Policy
+}
+
+// NewCasbinEnforcer initializes a new CasbinEnforcer with a MongoDB adapter, logger, and PolicySerializer.
+// The 'domain' parameter is no longer stored internally, as the interface requires passing a domainRef per method call.
+func NewEnforcer(
+	logger mlogger.Logger,
+	client *mongo.Client,
+	settings model.SettingsT,
+) (*CasbinEnforcer, error) {
+	var config cc.Config
+	if err := mapstructure.Decode(settings, &config); err != nil {
+		logger.Warn("Failed to decode Casbin configuration", zap.Error(err), zap.Any("settings", settings))
+		return nil, merrors.Internal("failed to decode Casbin configuration")
+	}
+
+	// Create a Casbin adapter + enforcer from your config and client.
+	l := logger.Named("enforcer")
+	e, err := createAdapter(l, &config, client)
+	if err != nil {
+		logger.Warn("Failed to create Casbin enforcer", zap.Error(err))
+		return nil, merrors.Internal("failed to create Casbin enforcer")
+	}
+
+	logger.Info("Casbin enforcer created")
+	return &CasbinEnforcer{
+		logger:               l,
+		enforcer:             e,
+		permissionSerializer: serialization.NewPolicySerializer(),
+		roleSerializer:       serialization.NewRoleSerializer(),
+	}, nil
+}
+
+// Enforce checks if a user has the specified action permission on an object within a domain.
+func (c *CasbinEnforcer) Enforce(
+	_ context.Context,
+	permissionRef, accountRef, organizationRef, objectRef primitive.ObjectID,
+	action model.Action,
+) (bool, error) {
+	// Convert ObjectIDs to strings for Casbin
+	account := accountRef.Hex()
+	organization := organizationRef.Hex()
+	permission := permissionRef.Hex()
+	object := anyobject.ID
+	if objectRef != primitive.NilObjectID {
+		object = objectRef.Hex()
+	}
+	act := string(action)
+
+	c.logger.Debug("Enforcing policy",
+		zap.String("account", account), zap.String("organization", organization),
+		zap.String("permission", permission), zap.String("object", object),
+		zap.String("action", act))
+
+	// Perform the enforcement
+	result, err := c.enforcer.Enforce(account, organization, permission, object, act)
+	if err != nil {
+		c.logger.Warn("Failed to enforce policy", zap.Error(err),
+			zap.String("account", account), zap.String("organization", organization),
+			zap.String("permission", permission), zap.String("object", object),
+			zap.String("action", act))
+		return false, err
+	}
+
+	c.logger.Debug("Policy enforcement result", zap.Bool("result", result))
+	return result, nil
+}
+
+// EnforceBatch checks a user’s permission for multiple objects at once.
+// It returns a map from objectRef -> boolean indicating whether access is granted.
+func (c *CasbinEnforcer) EnforceBatch(
+	ctx context.Context,
+	objectRefs []model.PermissionBoundStorable,
+	accountRef primitive.ObjectID,
+	action model.Action,
+) (map[primitive.ObjectID]bool, error) {
+	results := make(map[primitive.ObjectID]bool, len(objectRefs))
+	for _, desc := range objectRefs {
+		ok, err := c.Enforce(ctx, desc.GetPermissionRef(), accountRef, desc.GetOrganizationRef(), *desc.GetID(), action)
+		if err != nil {
+			c.logger.Warn("Failed to enforce", zap.Error(err), mzap.ObjRef("permission_ref", desc.GetPermissionRef()),
+				mzap.ObjRef("account_ref", accountRef), mzap.ObjRef("organization_ref", desc.GetOrganizationRef()),
+				mzap.ObjRef("object_ref", *desc.GetID()), zap.String("action", string(action)))
+			return nil, err
+		}
+		results[*desc.GetID()] = ok
+	}
+
+	return results, nil
+}
+
+// GetRoles retrieves all roles assigned to the user within the domain.
+func (c *CasbinEnforcer) GetRoles(ctx context.Context, accountRef, orgRef primitive.ObjectID) ([]model.Role, error) {
+	sub := accountRef.Hex()
+	dom := orgRef.Hex()
+
+	c.logger.Debug("Fetching roles for user", zap.String("subject", sub), zap.String("domain", dom))
+
+	// Get all roles for the user in the domain
+	sroles, err := c.enforcer.GetFilteredGroupingPolicy(0, sub, "", dom)
+	if err != nil {
+		c.logger.Warn("Failed to get roles from policies", zap.Error(err),
+			zap.String("account_ref", sub), zap.String("organization_ref", dom),
+		)
+		return nil, merrors.Internal("failed to fetch roles from policies")
+	}
+
+	roles := make([]model.Role, 0, len(sroles))
+	for _, srole := range sroles {
+		role, err := c.roleSerializer.Deserialize(srole)
+		if err != nil {
+			c.logger.Warn("Failed to deserialize role", zap.Error(err))
+			return nil, err
+		}
+		roles = append(roles, *role)
+	}
+
+	c.logger.Debug("Roles fetched successfully", zap.Int("count", len(roles)))
+	return roles, nil
+}
+
+// GetPermissions retrieves all effective policies for the user within the domain.
+func (c *CasbinEnforcer) GetPermissions(ctx context.Context, accountRef, orgRef primitive.ObjectID) ([]model.Role, []model.Permission, error) {
+	c.logger.Debug("Fetching policies for user", mzap.ObjRef("account_ref", accountRef), mzap.ObjRef("organization_ref", orgRef))
+
+	// Step 1: Retrieve all roles assigned to the user within the domain
+	roles, err := c.GetRoles(ctx, accountRef, orgRef)
+	if err != nil {
+		c.logger.Warn("Failed to get roles", zap.Error(err))
+		return nil, nil, err
+	}
+
+	// Map to hold unique policies
+	permissionsMap := make(map[string]*model.Permission)
+	for _, role := range roles {
+		// Step 2a: Retrieve all policies associated with the role within the domain
+		policies, err := c.enforcer.GetFilteredPolicy(0, role.DescriptionRef.Hex())
+		if err != nil {
+			c.logger.Warn("Failed to get policies for role", zap.Error(err), mzap.ObjRef("role_ref", role.DescriptionRef))
+			continue
+		}
+
+		// Step 2b: Process each policy to extract Permission, Action, and Effect
+		for _, policy := range policies {
+
+			if len(policy) < 5 {
+				c.logger.Warn("Incomplete policy encountered", zap.Strings("policy", policy))
+				continue // Ensure the policy line has enough fields
+			}
+
+			// Deserialize the policy using
+			deserializedPolicy, err := c.permissionSerializer.Deserialize(policy)
+			if err != nil {
+				c.logger.Warn("Failed to deserialize policy", zap.Error(err), zap.Strings("policy", policy))
+				continue
+			}
+
+			// Construct a unique key combining Permission ID and Action to prevent duplicates
+			policyKey := deserializedPolicy.DescriptionRef.Hex() + ":" + string(deserializedPolicy.Effect.Action)
+			if _, exists := permissionsMap[policyKey]; exists {
+				continue // Policy-action pair already accounted for
+			}
+
+			// Add the Policy to the map
+			permissionsMap[policyKey] = &model.Permission{
+				RolePolicy: *deserializedPolicy,
+				AccountRef: accountRef,
+			}
+			c.logger.Debug("Policy added to policyMap", zap.Any("policy_key", policyKey))
+		}
+	}
+
+	// Convert the map to a slice
+	permissions := make([]model.Permission, 0, len(permissionsMap))
+	for _, permission := range permissionsMap {
+		permissions = append(permissions, *permission)
+	}
+
+	c.logger.Debug("Permissions fetched successfully", zap.Int("count", len(permissions)))
+	return roles, permissions, nil
+}

api/pkg/auth/internal/casbin/factory.go

@@ -0,0 +1,34 @@
+package casbin
+
+import (
+	"github.com/casbin/casbin/v2"
+	mongodbadapter "github.com/casbin/mongodb-adapter/v3"
+	cc "github.com/tech/sendico/pkg/auth/internal/casbin/config"
+	"github.com/tech/sendico/pkg/mlogger"
+	"go.mongodb.org/mongo-driver/mongo"
+	"go.uber.org/zap"
+)
+
+func createAdapter(logger mlogger.Logger, config *cc.Config, client *mongo.Client) (*casbin.Enforcer, error) {
+	dbc, err := cc.PrepareConfig(logger, config)
+	if err != nil {
+		logger.Warn("Failed to prepare database configuration", zap.Error(err))
+		return nil, err
+	}
+
+	adapter, err := mongodbadapter.NewAdapterByDB(client, dbc.Adapter)
+	if err != nil {
+		logger.Warn("Failed to create DB adapter", zap.Error(err))
+		return nil, err
+	}
+
+	e, err := casbin.NewEnforcer(dbc.ModelPath, adapter, NewCasbinLogger(logger))
+	if err != nil {
+		logger.Warn("Failed to create permissions enforcer", zap.Error(err))
+		return nil, err
+	}
+	e.EnableAutoSave(true)
+
+	// No need to manually load policy. Casbin does it for us
+	return e, nil
+}

api/pkg/auth/internal/casbin/logger.go

@@ -0,0 +1,61 @@
+package casbin
+
+import (
+	"strings"
+
+	"github.com/tech/sendico/pkg/mlogger"
+	"go.uber.org/zap"
+)
+
+// CasbinZapLogger wraps a zap.Logger to implement Casbin's Logger interface.
+type CasbinZapLogger struct {
+	logger mlogger.Logger
+}
+
+// NewCasbinLogger constructs a new CasbinZapLogger.
+func NewCasbinLogger(logger mlogger.Logger) *CasbinZapLogger {
+	return &CasbinZapLogger{
+		logger: logger.Named("driver"),
+	}
+}
+
+// EnableLog enables or disables logging.
+func (l *CasbinZapLogger) EnableLog(_ bool) {
+	// ignore
+}
+
+// IsEnabled returns whether logging is currently enabled.
+func (l *CasbinZapLogger) IsEnabled() bool {
+	return true
+}
+
+// LogModel is called by Casbin when loading model settings (you can customize if you want).
+func (l *CasbinZapLogger) LogModel(m [][]string) {
+	l.logger.Info("Model loaded", zap.Any("model", m))
+}
+
+func (l *CasbinZapLogger) LogPolicy(m map[string][][]string) {
+	l.logger.Info("Policy loaded", zap.Int("entries", len(m)))
+}
+
+func (l *CasbinZapLogger) LogError(err error, msg ...string) {
+	// If no custom message was passed, log a generic one
+	if len(msg) == 0 {
+		l.logger.Warn("Error occurred", zap.Error(err))
+		return
+	}
+
+	// Otherwise, join any provided messages and include them
+	l.logger.Warn(strings.Join(msg, " "), zap.Error(err))
+}
+
+// LogEnforce is called by Casbin to log each Enforce() call if logging is enabled.
+func (l *CasbinZapLogger) LogEnforce(matcher string, request []any, result bool, explains [][]string) {
+	l.logger.Debug("Enforcing policy...", zap.String("matcher", matcher), zap.Any("request", request),
+		zap.Bool("result", result), zap.Any("explains", explains))
+}
+
+// LogRole is called by Casbin when role manager adds or deletes a role.
+func (l *CasbinZapLogger) LogRole(roles []string) {
+	l.logger.Debug("Changing roles...", zap.Strings("roles", roles))
+}

api/pkg/auth/internal/casbin/manager.go

@@ -0,0 +1,54 @@
+// package casbin
+
+package casbin
+
+import (
+	"context"
+
+	"github.com/tech/sendico/pkg/auth/management"
+	"github.com/tech/sendico/pkg/db/policy"
+	"github.com/tech/sendico/pkg/db/role"
+	"github.com/tech/sendico/pkg/mlogger"
+	"github.com/tech/sendico/pkg/model"
+	"go.uber.org/zap"
+)
+
+// CasbinManager implements the auth.Manager interface by aggregating Role and Permission managers.
+type CasbinManager struct {
+	logger      mlogger.Logger
+	roleManager management.Role
+	permManager management.Permission
+}
+
+// NewManager creates a new CasbinManager with specified domains and role-domain mappings.
+func NewManager(
+	l mlogger.Logger,
+	pdb policy.DB,
+	rdb role.DB,
+	enforcer *CasbinEnforcer,
+	settings model.SettingsT,
+) (*CasbinManager, error) {
+	logger := l.Named("manager")
+
+	var pdesc model.PolicyDescription
+	if err := pdb.GetBuiltInPolicy(context.Background(), "roles", &pdesc); err != nil {
+		logger.Warn("Failed to fetch roles permission reference", zap.Error(err))
+		return nil, err
+	}
+
+	return &CasbinManager{
+		logger:      logger,
+		roleManager: NewRoleManager(logger, enforcer, pdesc.ID, rdb),
+		permManager: NewPermissionManager(logger, enforcer),
+	}, nil
+}
+
+// Permission returns the Permission manager.
+func (m *CasbinManager) Permission() management.Permission {
+	return m.permManager
+}
+
+// Role returns the Role manager.
+func (m *CasbinManager) Role() management.Role {
+	return m.roleManager
+}

api/pkg/auth/internal/casbin/models/auth.conf

@@ -0,0 +1,54 @@
+######################################################
+# Request Definition
+######################################################
+[request_definition]
+# Explanation:
+# - `accountRef`: The account (user) making the request.
+# - `organizationRef`: The organization in which the role applies.
+# - `permissionRef`: The specific permission being requested.
+# - `objectRef`: The object/resource being accessed (specific object or all objects).
+# - `action`: The action being requested (CRUD: read, write, update, delete).
+r = accountRef, organizationRef, permissionRef, objectRef, action
+
+
+######################################################
+# Policy Definition
+######################################################
+[policy_definition]
+# Explanation:
+# - `roleRef`: The role to which the policy is assigned.
+# - `organizationRef`: The organization in which the role applies.
+# - `permissionRef`: The permission associated with the policy.
+# - `objectRef`: The specific object/resource the policy applies to (or all objects).
+# - `action`: The CRUD action permitted or denied.
+# - `eft`: Effect of the policy (`allow` or `deny`).
+p = roleRef, organizationRef, permissionRef, objectRef, action, eft
+
+
+######################################################
+# Role Definition
+######################################################
+[role_definition]
+# Explanation:
+# - Maps `accountRef` (user) to `roleRef` (role) within `organizationRef` (scope).
+# Casbin requires underscores for placeholders, so we do not literally use accountRef, roleRef, etc. here.
+g = _, _, _
+
+
+######################################################
+# Policy Effect
+######################################################
+[policy_effect]
+# Explanation:
+# - Grants access if any `allow` policy matches and no `deny` policies match.
+e = some(where (p.eft == allow)) && !some(where (p.eft == deny))
+
+
+######################################################
+# Matchers
+######################################################
+[matchers]
+# Explanation:
+# - Checks if the user (accountRef) belongs to the roleRef within an organizationRef via `g()`.
+# - Ensures the organizationRef, permissionRef, objectRef, and action match the policy.
+m = g(r.accountRef, p.roleRef, r.organizationRef) && r.organizationRef == p.organizationRef && r.permissionRef == p.permissionRef && (p.objectRef == r.objectRef || p.objectRef == "*") && r.action == p.action

api/pkg/auth/internal/casbin/permissions.go

@@ -0,0 +1,167 @@
+package casbin
+
+import (
+	"context"
+
+	"github.com/tech/sendico/pkg/auth/anyobject"
+	"github.com/tech/sendico/pkg/auth/internal/casbin/serialization"
+	"github.com/tech/sendico/pkg/merrors"
+	"github.com/tech/sendico/pkg/mlogger"
+	"github.com/tech/sendico/pkg/model"
+	"github.com/tech/sendico/pkg/mutil/mzap"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.uber.org/zap"
+)
+
+// CasbinPermissionManager manages permissions using Casbin.
+type CasbinPermissionManager struct {
+	logger     mlogger.Logger       // Logger for logging operations
+	enforcer   *CasbinEnforcer      // Casbin enforcer for managing policies
+	serializer serialization.Policy // Serializer for converting policies to/from Casbin
+}
+
+// GrantToRole adds a permission to a role in Casbin.
+func (m *CasbinPermissionManager) GrantToRole(ctx context.Context, policy *model.RolePolicy) error {
+	objRef := anyobject.ID
+	if (policy.ObjectRef != nil) && (*policy.ObjectRef != primitive.NilObjectID) {
+		objRef = policy.ObjectRef.Hex()
+	}
+
+	m.logger.Debug("Granting permission to role",
+		mzap.ObjRef("role_ref", policy.RoleDescriptionRef),
+		mzap.ObjRef("permission_ref", policy.DescriptionRef),
+		zap.String("object_ref", objRef),
+		zap.String("action", string(policy.Effect.Action)),
+		zap.String("effect", string(policy.Effect.Effect)),
+	)
+
+	// Serialize permission
+	serializedPolicy, err := m.serializer.Serialize(policy)
+	if err != nil {
+		m.logger.Error("Failed to serialize permission while granting permission", zap.Error(err),
+			mzap.ObjRef("role_ref", policy.RoleDescriptionRef),
+			mzap.ObjRef("permission_ref", policy.DescriptionRef),
+			mzap.ObjRef("organization_ref", policy.OrganizationRef),
+		)
+		return err
+	}
+
+	// Add policy to Casbin
+	added, err := m.enforcer.enforcer.AddPolicy(serializedPolicy...)
+	if err != nil {
+		m.logger.Error("Failed to add policy to Casbin", zap.Error(err))
+		return err
+	}
+	if added {
+		m.logger.Info("Policy added to Casbin",
+			mzap.ObjRef("role_ref", policy.RoleDescriptionRef),
+			mzap.ObjRef("permission_ref", policy.DescriptionRef),
+			zap.String("object_ref", objRef),
+		)
+	} else {
+		m.logger.Warn("Policy already exists in Casbin",
+			mzap.ObjRef("role_ref", policy.RoleDescriptionRef),
+			mzap.ObjRef("permission_ref", policy.DescriptionRef),
+			zap.String("object_ref", objRef),
+		)
+	}
+
+	return nil
+}
+
+// RevokeFromRole removes a permission from a role in Casbin.
+func (m *CasbinPermissionManager) RevokeFromRole(ctx context.Context, policy *model.RolePolicy) error {
+	objRef := anyobject.ID
+	if policy.ObjectRef != nil {
+		objRef = policy.ObjectRef.Hex()
+	}
+	m.logger.Debug("Revoking permission from role",
+		mzap.ObjRef("role_ref", policy.RoleDescriptionRef),
+		mzap.ObjRef("permission_ref", policy.DescriptionRef),
+		zap.String("object_ref", objRef),
+		zap.String("action", string(policy.Effect.Action)),
+		zap.String("effect", string(policy.Effect.Effect)),
+	)
+
+	// Serialize policy
+	serializedPolicy, err := m.serializer.Serialize(policy)
+	if err != nil {
+		m.logger.Error("Failed to serialize policy while revoking permission from role",
+			zap.Error(err), mzap.ObjRef("role_ref", policy.RoleDescriptionRef),
+			mzap.ObjRef("policy_ref", policy.DescriptionRef))
+		return err
+	}
+
+	// Remove policy from Casbin
+	removed, err := m.enforcer.enforcer.RemovePolicy(serializedPolicy...)
+	if err != nil {
+		m.logger.Error("Failed to remove policy from Casbin", zap.Error(err))
+		return err
+	}
+	if removed {
+		m.logger.Info("Policy removed from Casbin",
+			mzap.ObjRef("role_ref", policy.RoleDescriptionRef),
+			mzap.ObjRef("permission_ref", policy.DescriptionRef),
+			zap.String("object_ref", objRef),
+		)
+	} else {
+		m.logger.Warn("Policy does not exist in Casbin",
+			mzap.ObjRef("role_ref", policy.RoleDescriptionRef),
+			mzap.ObjRef("permission_ref", policy.DescriptionRef),
+			zap.String("object_ref", objRef),
+		)
+	}
+
+	return nil
+}
+
+// GetPolicies retrieves all policies for a specific role.
+func (m *CasbinPermissionManager) GetPolicies(
+	ctx context.Context,
+	roleRef primitive.ObjectID,
+) ([]model.RolePolicy, error) {
+	m.logger.Debug("Fetching policies for role", mzap.ObjRef("role_ref", roleRef))
+
+	// Retrieve Casbin policies for the role
+	policies, err := m.enforcer.enforcer.GetFilteredPolicy(0, roleRef.Hex())
+	if err != nil {
+		m.logger.Warn("Failed to get policies", zap.Error(err), mzap.ObjRef("role_ref", roleRef))
+		return nil, err
+	}
+	if len(policies) == 0 {
+		m.logger.Info("No policies found for role", mzap.ObjRef("role_ref", roleRef))
+		return nil, merrors.NoData("no policies")
+	}
+
+	// Deserialize policies
+	var result []model.RolePolicy
+	for _, policy := range policies {
+		permission, err := m.serializer.Deserialize(policy)
+		if err != nil {
+			m.logger.Warn("Failed to deserialize policy", zap.Error(err), zap.String("policy", policy[0]))
+			continue
+		}
+		result = append(result, *permission)
+	}
+
+	m.logger.Debug("Policies fetched successfully", mzap.ObjRef("role_ref", roleRef), zap.Int("count", len(result)))
+	return result, nil
+}
+
+// Save persists changes to the Casbin policy store.
+func (m *CasbinPermissionManager) Save() error {
+	if err := m.enforcer.enforcer.SavePolicy(); err != nil {
+		m.logger.Error("Failed to save policies in Casbin", zap.Error(err))
+		return err
+	}
+	m.logger.Info("Policies successfully saved in Casbin")
+	return nil
+}
+
+func NewPermissionManager(logger mlogger.Logger, enforcer *CasbinEnforcer) *CasbinPermissionManager {
+	return &CasbinPermissionManager{
+		logger:     logger.Named("permission"),
+		enforcer:   enforcer,
+		serializer: serialization.NewPolicySerializer(),
+	}
+}

api/pkg/auth/internal/casbin/role.go

@@ -0,0 +1,209 @@
+package casbin
+
+import (
+	"context"
+
+	"github.com/tech/sendico/pkg/db/role"
+	"github.com/tech/sendico/pkg/db/storable"
+	"github.com/tech/sendico/pkg/merrors"
+	"github.com/tech/sendico/pkg/mlogger"
+	"github.com/tech/sendico/pkg/model"
+	"github.com/tech/sendico/pkg/mutil/mzap"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.uber.org/zap"
+)
+
+// RoleManager manages roles using Casbin.
+type RoleManager struct {
+	logger            mlogger.Logger
+	enforcer          *CasbinEnforcer
+	rdb               role.DB
+	rolePermissionRef primitive.ObjectID
+}
+
+// NewRoleManager creates a new RoleManager.
+func NewRoleManager(logger mlogger.Logger, enforcer *CasbinEnforcer, rolePermissionRef primitive.ObjectID, rdb role.DB) *RoleManager {
+	return &RoleManager{
+		logger:            logger.Named("role"),
+		enforcer:          enforcer,
+		rdb:               rdb,
+		rolePermissionRef: rolePermissionRef,
+	}
+}
+
+// validateObjectIDs ensures that all provided ObjectIDs are non-zero.
+func (rm *RoleManager) validateObjectIDs(ids ...primitive.ObjectID) error {
+	for _, id := range ids {
+		if id.IsZero() {
+			return merrors.InvalidArgument("Object references cannot be zero")
+		}
+	}
+	return nil
+}
+
+// removePolicies removes policies based on the provided filter and logs the results.
+func (rm *RoleManager) removePolicies(policyType, role string, roleRef primitive.ObjectID) error {
+	filterIndex := 1
+	if policyType == "permission" {
+		filterIndex = 0
+	}
+	policies, err := rm.enforcer.enforcer.GetFilteredPolicy(filterIndex, role)
+	if err != nil {
+		rm.logger.Warn("Failed to fetch "+policyType+" policies", zap.Error(err), mzap.ObjRef("role_ref", roleRef))
+		return err
+	}
+
+	for _, policy := range policies {
+		args := make([]any, len(policy))
+		for i, v := range policy {
+			args[i] = v
+		}
+		var removed bool
+		var removeErr error
+		if policyType == "grouping" {
+			removed, removeErr = rm.enforcer.enforcer.RemoveGroupingPolicy(args...)
+		} else {
+			removed, removeErr = rm.enforcer.enforcer.RemovePolicy(args...)
+		}
+
+		if removeErr != nil {
+			rm.logger.Warn("Failed to remove "+policyType+" policy for role", zap.Error(removeErr), mzap.ObjRef("role_ref", roleRef), zap.Strings("policy", policy))
+			return removeErr
+		}
+		if removed {
+			rm.logger.Info("Removed "+policyType+" policy for role", mzap.ObjRef("role_ref", roleRef), zap.Strings("policy", policy))
+		}
+	}
+	return nil
+}
+
+// fetchRolesFromPolicies retrieves and converts policies to roles.
+func (rm *RoleManager) fetchRolesFromPolicies(policies [][]string, orgRef primitive.ObjectID) []model.RoleDescription {
+	roles := make([]model.RoleDescription, 0, len(policies))
+	for _, policy := range policies {
+		if len(policy) < 2 {
+			continue
+		}
+
+		roleID, err := primitive.ObjectIDFromHex(policy[1])
+		if err != nil {
+			rm.logger.Warn("Invalid role ID", zap.String("roleID", policy[1]))
+			continue
+		}
+		roles = append(roles, model.RoleDescription{Base: storable.Base{ID: roleID}, OrganizationRef: orgRef})
+	}
+	return roles
+}
+
+// Create creates a new role in an organization.
+func (rm *RoleManager) Create(ctx context.Context, orgRef primitive.ObjectID, description *model.Describable) (*model.RoleDescription, error) {
+	if err := rm.validateObjectIDs(orgRef); err != nil {
+		return nil, err
+	}
+
+	role := &model.RoleDescription{
+		Describable:     *description,
+		OrganizationRef: orgRef,
+	}
+	if err := rm.rdb.Create(ctx, role); err != nil {
+		rm.logger.Warn("Failed to create role", zap.Error(err), mzap.ObjRef("organiztion_ref", orgRef))
+		return nil, err
+	}
+
+	rm.logger.Info("Role created successfully", mzap.StorableRef(role), mzap.ObjRef("organization_ref", orgRef))
+	return role, nil
+}
+
+// Assign assigns a role to a user in the given organization.
+func (rm *RoleManager) Assign(ctx context.Context, role *model.Role) error {
+	if err := rm.validateObjectIDs(role.DescriptionRef, role.AccountRef, role.OrganizationRef); err != nil {
+		return err
+	}
+
+	sub := role.AccountRef.Hex()
+	roleID := role.DescriptionRef.Hex()
+	domain := role.OrganizationRef.Hex()
+
+	added, err := rm.enforcer.enforcer.AddGroupingPolicy(sub, roleID, domain)
+	return rm.logPolicyResult("assign", added, err, role.DescriptionRef, role.AccountRef, role.OrganizationRef)
+}
+
+// Delete removes a role entirely and cleans up associated Casbin policies.
+func (rm *RoleManager) Delete(ctx context.Context, roleRef primitive.ObjectID) error {
+	if err := rm.validateObjectIDs(roleRef); err != nil {
+		rm.logger.Warn("Failed to delete role", mzap.ObjRef("role_ref", roleRef))
+		return err
+	}
+
+	if err := rm.rdb.Delete(ctx, roleRef); err != nil {
+		rm.logger.Warn("Failed to delete role", mzap.ObjRef("role_ref", roleRef))
+		return err
+	}
+
+	role := roleRef.Hex()
+
+	// Remove grouping policies
+	if err := rm.removePolicies("grouping", role, roleRef); err != nil {
+		return err
+	}
+
+	// Remove permission policies
+	if err := rm.removePolicies("permission", role, roleRef); err != nil {
+		return err
+	}
+
+	// // Save changes
+	// if err := rm.enforcer.enforcer.SavePolicy(); err != nil {
+	// 	rm.logger.Warn("Failed to save Casbin policies after role deletion",
+	// 		zap.Error(err),
+	// 		mzap.ObjRef("role_ref", roleRef),
+	// 	)
+	// 	return err
+	// }
+
+	rm.logger.Info("Role deleted successfully along with associated policies", mzap.ObjRef("role_ref", roleRef))
+	return nil
+}
+
+// Revoke removes a role from a user.
+func (rm *RoleManager) Revoke(ctx context.Context, roleRef, accountRef, orgRef primitive.ObjectID) error {
+	if err := rm.validateObjectIDs(roleRef, accountRef, orgRef); err != nil {
+		return err
+	}
+
+	sub := accountRef.Hex()
+	role := roleRef.Hex()
+	domain := orgRef.Hex()
+
+	removed, err := rm.enforcer.enforcer.RemoveGroupingPolicy(sub, role, domain)
+	return rm.logPolicyResult("revoke", removed, err, roleRef, accountRef, orgRef)
+}
+
+// logPolicyResult logs results for Assign and Revoke.
+func (rm *RoleManager) logPolicyResult(action string, result bool, err error, roleRef, accountRef, orgRef primitive.ObjectID) error {
+	if err != nil {
+		rm.logger.Warn("Failed to "+action+" role", zap.Error(err), mzap.ObjRef("role_ref", roleRef), mzap.ObjRef("account_ref", accountRef), mzap.ObjRef("organization_ref", orgRef))
+		return err
+	}
+	msg := "Role " + action + "ed successfully"
+	if !result {
+		msg = "Role already " + action + "ed"
+	}
+	rm.logger.Info(msg, mzap.ObjRef("role_ref", roleRef), mzap.ObjRef("account_ref", accountRef), mzap.ObjRef("organization_ref", orgRef))
+	return nil
+}
+
+// List retrieves all roles in an organization or all roles if orgRef is zero.
+func (rm *RoleManager) List(ctx context.Context, orgRef primitive.ObjectID) ([]model.RoleDescription, error) {
+	domain := orgRef.Hex()
+	groupingPolicies, err := rm.enforcer.enforcer.GetFilteredGroupingPolicy(2, domain)
+	if err != nil {
+		rm.logger.Warn("Failed to fetch grouping policies", zap.Error(err), mzap.ObjRef("organization_ref", orgRef))
+		return nil, err
+	}
+
+	roles := rm.fetchRolesFromPolicies(groupingPolicies, orgRef)
+
+	rm.logger.Info("Retrieved roles for organization", mzap.ObjRef("organization_ref", orgRef), zap.Int("count", len(roles)))
+	return roles, nil
+}

api/pkg/auth/internal/casbin/serialization/internal/policy.go

@@ -0,0 +1,81 @@
+package serializationimp
+
+import (
+	"github.com/tech/sendico/pkg/auth/anyobject"
+	"github.com/tech/sendico/pkg/merrors"
+	"github.com/tech/sendico/pkg/model"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+// PolicySerializer implements CasbinSerializer for Permission.
+type PolicySerializer struct{}
+
+// Serialize converts a Permission object into a Casbin policy.
+func (s *PolicySerializer) Serialize(entity *model.RolePolicy) ([]any, error) {
+	if entity.RoleDescriptionRef.IsZero() ||
+		entity.OrganizationRef.IsZero() ||
+		entity.DescriptionRef.IsZero() || // Ensure permissionRef is valid
+		entity.Effect.Action == "" || // Ensure action is not empty
+		entity.Effect.Effect == "" { // Ensure effect (eft) is not empty
+		return nil, merrors.InvalidArgument("permission contains invalid object references or missing fields")
+	}
+
+	objectRef := anyobject.ID
+	if entity.ObjectRef != nil {
+		objectRef = entity.ObjectRef.Hex()
+	}
+
+	return []any{
+		entity.RoleDescriptionRef.Hex(), // Maps to p.roleRef
+		entity.OrganizationRef.Hex(),    // Maps to p.organizationRef
+		entity.DescriptionRef.Hex(),     // Maps to p.permissionRef
+		objectRef,                       // Maps to p.objectRef (wildcard if empty)
+		string(entity.Effect.Action),    // Maps to p.action
+		string(entity.Effect.Effect),    // Maps to p.eft
+	}, nil
+}
+
+// Deserialize converts a Casbin policy into a Permission object.
+func (s *PolicySerializer) Deserialize(policy []string) (*model.RolePolicy, error) {
+	if len(policy) != 6 { // Ensure policy has the correct number of fields
+		return nil, merrors.Internal("invalid policy format")
+	}
+
+	roleRef, err := primitive.ObjectIDFromHex(policy[0])
+	if err != nil {
+		return nil, merrors.InvalidArgument("invalid roleRef in policy")
+	}
+
+	organizationRef, err := primitive.ObjectIDFromHex(policy[1])
+	if err != nil {
+		return nil, merrors.InvalidArgument("invalid organizationRef in policy")
+	}
+
+	permissionRef, err := primitive.ObjectIDFromHex(policy[2])
+	if err != nil {
+		return nil, merrors.InvalidArgument("invalid permissionRef in policy")
+	}
+
+	// Handle wildcard for ObjectRef
+	var objectRef *primitive.ObjectID
+	if policy[3] != anyobject.ID {
+		ref, err := primitive.ObjectIDFromHex(policy[3])
+		if err != nil {
+			return nil, merrors.InvalidArgument("invalid objectRef in policy")
+		}
+		objectRef = &ref
+	}
+
+	return &model.RolePolicy{
+		RoleDescriptionRef: roleRef,
+		Policy: model.Policy{
+			OrganizationRef: organizationRef,
+			DescriptionRef:  permissionRef,
+			ObjectRef:       objectRef,
+			Effect: model.ActionEffect{
+				Action: model.Action(policy[4]),
+				Effect: model.Effect(policy[5]),
+			},
+		},
+	}, nil
+}

api/pkg/auth/internal/casbin/serialization/internal/role.go

@@ -0,0 +1,57 @@
+package serializationimp
+
+import (
+	"github.com/tech/sendico/pkg/merrors"
+	"github.com/tech/sendico/pkg/model"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+// RoleSerializer implements CasbinSerializer for Role.
+type RoleSerializer struct{}
+
+// Serialize converts a Role object into a Casbin grouping policy.
+func (s *RoleSerializer) Serialize(entity *model.Role) ([]any, error) {
+	// Validate required fields
+	if entity.AccountRef.IsZero() || entity.DescriptionRef.IsZero() || entity.OrganizationRef.IsZero() {
+		return nil, merrors.InvalidArgument("role contains invalid object references")
+	}
+
+	return []any{
+		entity.AccountRef.Hex(),      // Maps to g(_, _, _) accountRef
+		entity.DescriptionRef.Hex(),  // Maps to g(_, _, _) roleRef
+		entity.OrganizationRef.Hex(), // Maps to g(_, _, _) organizationRef
+	}, nil
+}
+
+// Deserialize converts a Casbin grouping policy into a Role object.
+func (s *RoleSerializer) Deserialize(policy []string) (*model.Role, error) {
+	// Ensure the policy has exactly 3 fields
+	if len(policy) != 3 {
+		return nil, merrors.Internal("invalid grouping policy format")
+	}
+
+	// Parse accountRef
+	accountRef, err := primitive.ObjectIDFromHex(policy[0])
+	if err != nil {
+		return nil, merrors.InvalidArgument("invalid accountRef in grouping policy")
+	}
+
+	// Parse roleDescriptionRef (roleRef)
+	roleDescriptionRef, err := primitive.ObjectIDFromHex(policy[1])
+	if err != nil {
+		return nil, merrors.InvalidArgument("invalid roleRef in grouping policy")
+	}
+
+	// Parse organizationRef
+	organizationRef, err := primitive.ObjectIDFromHex(policy[2])
+	if err != nil {
+		return nil, merrors.InvalidArgument("invalid organizationRef in grouping policy")
+	}
+
+	// Return the constructed Role object
+	return &model.Role{
+		AccountRef:      accountRef,
+		DescriptionRef:  roleDescriptionRef,
+		OrganizationRef: organizationRef,
+	}, nil
+}

api/pkg/auth/internal/casbin/serialization/policy.go

@@ -0,0 +1,12 @@
+package serialization
+
+import (
+	serializationimp "github.com/tech/sendico/pkg/auth/internal/casbin/serialization/internal"
+	"github.com/tech/sendico/pkg/model"
+)
+
+type Policy = CasbinSerializer[model.RolePolicy]
+
+func NewPolicySerializer() Policy {
+	return &serializationimp.PolicySerializer{}
+}

api/pkg/auth/internal/casbin/serialization/role.go

@@ -0,0 +1,12 @@
+package serialization
+
+import (
+	serializationimp "github.com/tech/sendico/pkg/auth/internal/casbin/serialization/internal"
+	"github.com/tech/sendico/pkg/model"
+)
+
+type Role = CasbinSerializer[model.Role]
+
+func NewRoleSerializer() Role {
+	return &serializationimp.RoleSerializer{}
+}

api/pkg/auth/internal/casbin/serialization/serializer.go

@@ -0,0 +1,10 @@
+package serialization
+
+// CasbinSerializer defines methods for serializing and deserializing any Casbin-compatible entity.
+type CasbinSerializer[T any] interface {
+	// Serialize converts an entity (Role or Permission) into a Casbin policy.
+	Serialize(entity *T) ([]any, error)
+
+	// Deserialize converts a Casbin policy into an entity (Role or Permission).
+	Deserialize(policy []string) (*T, error)
+}

api/pkg/auth/internal/native/db/policies.go

@@ -0,0 +1,151 @@
+package db
+
+import (
+	"context"
+
+	"github.com/tech/sendico/pkg/auth/internal/native/nstructures"
+	"github.com/tech/sendico/pkg/db/repository"
+	ri "github.com/tech/sendico/pkg/db/repository/index"
+	"github.com/tech/sendico/pkg/db/template"
+	"github.com/tech/sendico/pkg/mlogger"
+	"github.com/tech/sendico/pkg/model"
+	"github.com/tech/sendico/pkg/mservice"
+	mutil "github.com/tech/sendico/pkg/mutil/db"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.mongodb.org/mongo-driver/mongo"
+	"go.uber.org/zap"
+)
+
+type PermissionsDBImp struct {
+	template.DBImp[*nstructures.PolicyAssignment]
+}
+
+func (db *PermissionsDBImp) Policies(ctx context.Context, object model.PermissionBoundStorable, action model.Action) ([]nstructures.PolicyAssignment, error) {
+	return mutil.GetObjects[nstructures.PolicyAssignment](
+		ctx,
+		db.Logger,
+		repository.Query().And(
+			repository.Filter("policy.organizationRef", object.GetOrganizationRef()),
+			repository.Filter("policy.descriptionRef", object.GetPermissionRef()),
+			repository.Filter("policy.effect.action", action),
+			repository.Query().Or(
+				repository.Filter("policy.objectRef", *object.GetID()),
+				repository.Filter("policy.objectRef", nil),
+			),
+		),
+		nil,
+		db.Repository,
+	)
+}
+
+func (db *PermissionsDBImp) PoliciesForPermissionAction(ctx context.Context, roleRef, permissionRef primitive.ObjectID, action model.Action) ([]nstructures.PolicyAssignment, error) {
+	return mutil.GetObjects[nstructures.PolicyAssignment](
+		ctx,
+		db.Logger,
+		repository.Query().And(
+			repository.Filter("roleRef", roleRef),
+			repository.Filter("policy.descriptionRef", permissionRef),
+			repository.Filter("policy.effect.action", action),
+		),
+		nil,
+		db.Repository,
+	)
+}
+
+func (db *PermissionsDBImp) Remove(ctx context.Context, policy *model.RolePolicy) error {
+	objRefFilter := repository.Query().Or(
+		repository.Filter("policy.objectRef", nil),
+		repository.Filter("policy.objectRef", primitive.NilObjectID),
+	)
+	if policy.ObjectRef != nil {
+		objRefFilter = repository.Filter("policy.objectRef", *policy.ObjectRef)
+	}
+	return db.Repository.DeleteMany(
+		ctx,
+		repository.Query().And(
+			repository.Filter("roleRef", policy.RoleDescriptionRef),
+			repository.Filter("policy.organizationRef", policy.OrganizationRef),
+			repository.Filter("policy.descriptionRef", policy.DescriptionRef),
+			objRefFilter,
+			repository.Filter("policy.effect.action", policy.Effect.Action),
+			repository.Filter("policy.effect.effect", policy.Effect.Effect),
+		),
+	)
+}
+
+func (db *PermissionsDBImp) PoliciesForRole(ctx context.Context, roleRef primitive.ObjectID) ([]nstructures.PolicyAssignment, error) {
+	return mutil.GetObjects[nstructures.PolicyAssignment](
+		ctx,
+		db.Logger,
+		repository.Filter("roleRef", roleRef),
+		nil,
+		db.Repository,
+	)
+}
+
+func (db *PermissionsDBImp) PoliciesForRoles(ctx context.Context, roleRefs []primitive.ObjectID, action model.Action) ([]nstructures.PolicyAssignment, error) {
+	if len(roleRefs) == 0 {
+		db.Logger.Debug("Empty role references list provided, returning empty resposnse")
+		return []nstructures.PolicyAssignment{}, nil
+	}
+	return mutil.GetObjects[nstructures.PolicyAssignment](
+		ctx,
+		db.Logger,
+		repository.Query().And(
+			repository.Query().In(repository.Field("roleRef"), roleRefs),
+			repository.Filter("policy.effect.action", action),
+		),
+		nil,
+		db.Repository,
+	)
+}
+
+func NewPoliciesDB(logger mlogger.Logger, db *mongo.Database) (*PermissionsDBImp, error) {
+	p := &PermissionsDBImp{
+		DBImp: *template.Create[*nstructures.PolicyAssignment](logger, mservice.PolicyAssignements, db),
+	}
+
+	// faster
+	// harder
+	// index
+	policiesQueryIndex := &ri.Definition{
+		Keys: []ri.Key{
+			{Field: "policy.organizationRef", Sort: ri.Asc},
+			{Field: "policy.descriptionRef", Sort: ri.Asc},
+			{Field: "policy.effect.action", Sort: ri.Asc},
+			{Field: "policy.objectRef", Sort: ri.Asc},
+		},
+	}
+	if err := p.DBImp.Repository.CreateIndex(policiesQueryIndex); err != nil {
+		p.Logger.Warn("Failed to prepare policies query index", zap.Error(err))
+		return nil, err
+	}
+
+	roleBasedQueriesIndex := &ri.Definition{
+		Keys: []ri.Key{
+			{Field: "roleRef", Sort: ri.Asc},
+			{Field: "policy.effect.action", Sort: ri.Asc},
+		},
+	}
+	if err := p.DBImp.Repository.CreateIndex(roleBasedQueriesIndex); err != nil {
+		p.Logger.Warn("Failed to prepare role based query index", zap.Error(err))
+		return nil, err
+	}
+
+	uniquePolicyConstaint := &ri.Definition{
+		Keys: []ri.Key{
+			{Field: "policy.organizationRef", Sort: ri.Asc},
+			{Field: "roleRef", Sort: ri.Asc},
+			{Field: "policy.descriptionRef", Sort: ri.Asc},
+			{Field: "policy.effect.action", Sort: ri.Asc},
+			{Field: "policy.objectRef", Sort: ri.Asc},
+		},
+		Unique: true,
+	}
+	if err := p.DBImp.Repository.CreateIndex(uniquePolicyConstaint); err != nil {
+		p.Logger.Warn("Failed to unique policy assignment index", zap.Error(err))
+		return nil, err
+	}
+
+	return p, nil
+}

api/pkg/auth/internal/native/db/roles.go

@@ -0,0 +1,99 @@
+package db
+
+import (
+	"context"
+
+	"github.com/tech/sendico/pkg/auth/internal/native/nstructures"
+	"github.com/tech/sendico/pkg/db/repository"
+	ri "github.com/tech/sendico/pkg/db/repository/index"
+	"github.com/tech/sendico/pkg/db/template"
+	"github.com/tech/sendico/pkg/mlogger"
+	mutil "github.com/tech/sendico/pkg/mutil/db"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.mongodb.org/mongo-driver/mongo"
+	"go.uber.org/zap"
+)
+
+type RolesDBImp struct {
+	template.DBImp[*nstructures.RoleAssignment]
+}
+
+func (db *RolesDBImp) Roles(ctx context.Context, accountRef, organizationRef primitive.ObjectID) ([]nstructures.RoleAssignment, error) {
+	return mutil.GetObjects[nstructures.RoleAssignment](
+		ctx,
+		db.Logger,
+		repository.Query().And(
+			repository.Filter("role.accountRef", accountRef),
+			repository.Filter("role.organizationRef", organizationRef),
+		),
+		nil,
+		db.Repository,
+	)
+}
+
+func (db *RolesDBImp) RolesForVenue(ctx context.Context, organizationRef primitive.ObjectID) ([]nstructures.RoleAssignment, error) {
+	return mutil.GetObjects[nstructures.RoleAssignment](
+		ctx,
+		db.Logger,
+		repository.Query().And(
+			repository.Filter("role.organizationRef", organizationRef),
+		),
+		nil,
+		db.Repository,
+	)
+}
+
+func (db *RolesDBImp) DeleteRole(ctx context.Context, roleRef primitive.ObjectID) error {
+	return db.DeleteMany(
+		ctx,
+		repository.Query().And(
+			repository.Filter("role.descriptionRef", roleRef),
+		),
+	)
+}
+
+func (db *RolesDBImp) RemoveRole(ctx context.Context, roleRef, organizationRef, accountRef primitive.ObjectID) error {
+	return db.DeleteMany(
+		ctx,
+		repository.Query().And(
+			repository.Filter("role.accountRef", accountRef),
+			repository.Filter("role.organizationRef", organizationRef),
+			repository.Filter("role.descriptionRef", roleRef),
+		),
+	)
+}
+
+func NewRolesDB(logger mlogger.Logger, db *mongo.Database) (*RolesDBImp, error) {
+	p := &RolesDBImp{
+		DBImp: *template.Create[*nstructures.RoleAssignment](logger, "role_assignments", db),
+	}
+
+	if err := p.DBImp.Repository.CreateIndex(&ri.Definition{
+		Keys: []ri.Key{{Field: "role.organizationRef", Sort: ri.Asc}},
+	}); err != nil {
+		p.Logger.Warn("Failed to prepare venue index", zap.Error(err))
+		return nil, err
+	}
+
+	if err := p.DBImp.Repository.CreateIndex(&ri.Definition{
+		Keys: []ri.Key{{Field: "role.descriptionRef", Sort: ri.Asc}},
+	}); err != nil {
+		p.Logger.Warn("Failed to prepare role description index", zap.Error(err))
+		return nil, err
+	}
+
+	uniqueRoleConstaint := &ri.Definition{
+		Keys: []ri.Key{
+			{Field: "role.organizationRef", Sort: ri.Asc},
+			{Field: "role.accountRef", Sort: ri.Asc},
+			{Field: "role.descriptionRef", Sort: ri.Asc},
+		},
+		Unique: true,
+	}
+	if err := p.DBImp.Repository.CreateIndex(uniqueRoleConstaint); err != nil {
+		p.Logger.Warn("Failed to prepare role assignment index", zap.Error(err))
+		return nil, err
+	}
+
+	return p, nil
+}

api/pkg/auth/internal/native/dbpolicies.go

@@ -0,0 +1,27 @@
+package native
+
+import (
+	"context"
+
+	"github.com/tech/sendico/pkg/auth/internal/native/db"
+	"github.com/tech/sendico/pkg/auth/internal/native/nstructures"
+	"github.com/tech/sendico/pkg/db/template"
+	"github.com/tech/sendico/pkg/mlogger"
+	"github.com/tech/sendico/pkg/model"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.mongodb.org/mongo-driver/mongo"
+)
+
+type PoliciesDB interface {
+	template.DB[*nstructures.PolicyAssignment]
+	// plenty of interfaces for performance reasons
+	Policies(ctx context.Context, object model.PermissionBoundStorable, action model.Action) ([]nstructures.PolicyAssignment, error)
+	PoliciesForPermissionAction(ctx context.Context, roleRef, permissionRef primitive.ObjectID, action model.Action) ([]nstructures.PolicyAssignment, error)
+	PoliciesForRole(ctx context.Context, roleRef primitive.ObjectID) ([]nstructures.PolicyAssignment, error)
+	PoliciesForRoles(ctx context.Context, roleRefs []primitive.ObjectID, action model.Action) ([]nstructures.PolicyAssignment, error)
+	Remove(ctx context.Context, policy *model.RolePolicy) error
+}
+
+func NewPoliciesDBDB(logger mlogger.Logger, conn *mongo.Database) (PoliciesDB, error) {
+	return db.NewPoliciesDB(logger, conn)
+}

api/pkg/auth/internal/native/dbroles.go

@@ -0,0 +1,24 @@
+package native
+
+import (
+	"context"
+
+	"github.com/tech/sendico/pkg/auth/internal/native/db"
+	"github.com/tech/sendico/pkg/auth/internal/native/nstructures"
+	"github.com/tech/sendico/pkg/db/template"
+	"github.com/tech/sendico/pkg/mlogger"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.mongodb.org/mongo-driver/mongo"
+)
+
+type RolesDB interface {
+	template.DB[*nstructures.RoleAssignment]
+	Roles(ctx context.Context, accountRef, organizationRef primitive.ObjectID) ([]nstructures.RoleAssignment, error)
+	RolesForVenue(ctx context.Context, organizationRef primitive.ObjectID) ([]nstructures.RoleAssignment, error)
+	RemoveRole(ctx context.Context, roleRef, organizationRef, accountRef primitive.ObjectID) error
+	DeleteRole(ctx context.Context, roleRef primitive.ObjectID) error
+}
+
+func NewRolesDB(logger mlogger.Logger, conn *mongo.Database) (RolesDB, error) {
+	return db.NewRolesDB(logger, conn)
+}

api/pkg/auth/internal/native/enforcer.go

@@ -0,0 +1,256 @@
+package native
+
+import (
+	"context"
+	"errors"
+
+	"github.com/tech/sendico/pkg/auth/internal/native/nstructures"
+	"github.com/tech/sendico/pkg/merrors"
+	"github.com/tech/sendico/pkg/mlogger"
+	"github.com/tech/sendico/pkg/model"
+	"github.com/tech/sendico/pkg/mutil/mzap"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.mongodb.org/mongo-driver/mongo"
+	"go.uber.org/zap"
+)
+
+type Enforcer struct {
+	logger mlogger.Logger
+	pdb    PoliciesDB
+	rdb    RolesDB
+}
+
+func NewEnforcer(
+	logger mlogger.Logger,
+	db *mongo.Database,
+) (*Enforcer, error) {
+	e := &Enforcer{logger: logger.Named("enforcer")}
+
+	var err error
+	if e.pdb, err = NewPoliciesDBDB(e.logger, db); err != nil {
+		e.logger.Warn("Failed to create permission assignments database", zap.Error(err))
+		return nil, err
+	}
+
+	if e.rdb, err = NewRolesDB(e.logger, db); err != nil {
+		e.logger.Warn("Failed to create role assignments database", zap.Error(err))
+		return nil, err
+	}
+
+	logger.Info("Native enforcer created")
+	return e, nil
+}
+
+// Enforce checks if a user has the specified action permission on an object within a domain.
+func (n *Enforcer) Enforce(
+	ctx context.Context,
+	permissionRef, accountRef, organizationRef, objectRef primitive.ObjectID,
+	action model.Action,
+) (bool, error) {
+	roleAssignments, err := n.rdb.Roles(ctx, accountRef, organizationRef)
+	if errors.Is(err, merrors.ErrNoData) {
+		n.logger.Debug("No roles defined for account", mzap.ObjRef("account_ref", accountRef))
+		return false, nil
+	}
+	if err != nil {
+		n.logger.Warn("Failed to fetch roles while checking permissions", zap.Error(err), mzap.ObjRef("account_ref", accountRef),
+			mzap.ObjRef("organization_ref", organizationRef), mzap.ObjRef("permission_ref", permissionRef),
+			mzap.ObjRef("object", objectRef), zap.String("action", string(action)))
+		return false, err
+	}
+	if len(roleAssignments) == 0 {
+		n.logger.Warn("No roles found for account", zap.Error(err), mzap.ObjRef("account_ref", accountRef),
+			mzap.ObjRef("organization_ref", organizationRef), mzap.ObjRef("permission_ref", permissionRef),
+			mzap.ObjRef("object_ref", objectRef), zap.String("action", string(action)))
+		return false, merrors.Internal("No roles found for account " + accountRef.Hex())
+	}
+	allowFound := false // Track if any allow is found across roles
+
+	for _, roleAssignment := range roleAssignments {
+		policies, err := n.pdb.PoliciesForPermissionAction(ctx, roleAssignment.DescriptionRef, permissionRef, action)
+		if err != nil && !errors.Is(err, merrors.ErrNoData) {
+			n.logger.Warn("Failed to fetch permissions", zap.Error(err), mzap.ObjRef("account_ref", accountRef),
+				mzap.ObjRef("organization_ref", organizationRef), mzap.ObjRef("permission_ref", permissionRef),
+				mzap.ObjRef("object_ref", objectRef), zap.String("action", string(action)))
+			return false, err
+		}
+
+		for _, permission := range policies {
+			if permission.Effect.Effect == model.EffectDeny {
+				n.logger.Debug("Found denying policy", mzap.ObjRef("account", accountRef),
+					mzap.ObjRef("organization_ref", organizationRef), mzap.ObjRef("permission_ref", permissionRef),
+					mzap.ObjRef("object_ref", objectRef), zap.String("action", string(action)))
+				return false, nil // Deny takes precedence immediately
+			}
+
+			if permission.Effect.Effect == model.EffectAllow {
+				n.logger.Debug("Allowing policy found", mzap.ObjRef("account", accountRef),
+					mzap.ObjRef("organization_ref", organizationRef), mzap.ObjRef("permission_ref", permissionRef),
+					mzap.ObjRef("object_ref", objectRef), zap.String("action", string(action)))
+				allowFound = true // At least one allow found
+			} else {
+				n.logger.Warn("Corrupted policy", mzap.StorableRef(&permission))
+				return false, merrors.Internal("Corrupted action effect data for permissions entry " + permission.ID.Hex() + ": " + string(permission.Effect.Effect))
+			}
+		}
+	}
+
+	// Final decision based on whether any allow was found
+	if allowFound {
+		return true, nil // At least one allow and no deny
+	}
+
+	n.logger.Debug("No allowing policy found", mzap.ObjRef("account", accountRef),
+		mzap.ObjRef("organization_ref", organizationRef), mzap.ObjRef("permission_ref", permissionRef),
+		mzap.ObjRef("object_ref", objectRef), zap.String("action", string(action)))
+
+	return false, nil // No allow found, default deny
+}
+
+// EnforceBatch checks a user’s permission for multiple objects at once.
+// It returns a map from objectRef -> boolean indicating whether access is granted.
+func (n *Enforcer) EnforceBatch(
+	ctx context.Context,
+	objectRefs []model.PermissionBoundStorable,
+	accountRef primitive.ObjectID,
+	action model.Action,
+) (map[primitive.ObjectID]bool, error) {
+	results := make(map[primitive.ObjectID]bool, len(objectRefs))
+
+	// Group objectRefs by organizationRef.
+	objectsByVenue := make(map[primitive.ObjectID][]model.PermissionBoundStorable)
+	for _, obj := range objectRefs {
+		organizationRef := obj.GetOrganizationRef()
+		objectsByVenue[organizationRef] = append(objectsByVenue[organizationRef], obj)
+	}
+
+	// Process each venue group separately.
+	for organizationRef, objs := range objectsByVenue {
+		// 1. Fetch roles once for this account and venue.
+		roles, err := n.rdb.Roles(ctx, accountRef, organizationRef)
+		if err != nil {
+			if errors.Is(err, merrors.ErrNoData) {
+				n.logger.Debug("No roles defined for account", zap.Error(err),
+					mzap.ObjRef("account_ref", accountRef), mzap.ObjRef("organization_ref", organizationRef))
+				// With no roles, mark all objects in this venue as denied.
+				for _, obj := range objs {
+					results[*obj.GetID()] = false
+				}
+				// Continue to next venue
+				continue
+			}
+			n.logger.Warn("Failed to fetch roles", zap.Error(err),
+				mzap.ObjRef("account_ref", accountRef), mzap.ObjRef("organization_ref", organizationRef))
+			return nil, err
+		}
+
+		// 2. Extract role description references
+		var roleRefs []primitive.ObjectID
+		for _, role := range roles {
+			roleRefs = append(roleRefs, role.DescriptionRef)
+		}
+
+		// 3. Fetch all policies for these roles and the given action in one call.
+		allPolicies, err := n.pdb.PoliciesForRoles(ctx, roleRefs, action)
+		if err != nil {
+			n.logger.Warn("Failed to fetch policies", zap.Error(err))
+			return nil, err
+		}
+
+		// 4. Build a lookup map keyed by PermissionRef.
+		policyMap := make(map[primitive.ObjectID][]nstructures.PolicyAssignment)
+		for _, policy := range allPolicies {
+			policyMap[policy.DescriptionRef] = append(policyMap[policy.DescriptionRef], policy)
+		}
+
+		// 5. Evaluate permissions for each object in this venue group.
+		for _, obj := range objs {
+			permRef := obj.GetPermissionRef()
+			allow := false
+			if policies, ok := policyMap[permRef]; ok {
+				for _, policy := range policies {
+					// Deny takes precedence.
+					if policy.Effect.Effect == model.EffectDeny {
+						allow = false
+						break
+					}
+					if policy.Effect.Effect == model.EffectAllow {
+						allow = true
+						// Continue checking in case a deny exists among policies.
+					} else {
+						// should never get here
+						return nil, merrors.Internal("Corrupted permissions effect in policy assignment '" + policy.GetID().Hex() + "': " + string(policy.Effect.Effect))
+					}
+				}
+			}
+			results[*obj.GetID()] = allow
+		}
+	}
+
+	return results, nil
+}
+
+// GetRoles retrieves all roles assigned to the user within the domain.
+func (n *Enforcer) GetRoles(ctx context.Context, accountRef, organizationRef primitive.ObjectID) ([]model.Role, error) {
+	n.logger.Debug("Fetching roles for user", mzap.ObjRef("account_ref", accountRef), mzap.ObjRef("organization_ref", organizationRef))
+	ra, err := n.rdb.Roles(ctx, accountRef, organizationRef)
+	if errors.Is(err, merrors.ErrNoData) {
+		n.logger.Debug("No roles assigned to user", mzap.ObjRef("account_ref", accountRef), mzap.ObjRef("organization_ref", organizationRef))
+		return []model.Role{}, nil
+	}
+	if err != nil {
+		n.logger.Warn("Failed to fetch roles", zap.Error(err), mzap.ObjRef("account_ref", accountRef), mzap.ObjRef("organization_ref", organizationRef))
+		return nil, err
+	}
+
+	roles := make([]model.Role, len(ra))
+	for i, roleAssignement := range ra {
+		roles[i] = roleAssignement.Role
+	}
+
+	n.logger.Debug("Fetched roles", zap.Int("roles_count", len(roles)))
+	return roles, nil
+}
+
+func (n *Enforcer) Reload() error {
+	n.logger.Info("Policies reloaded") // do nothing actually
+	return nil
+}
+
+// GetPermissions retrieves all effective policies for the user within the domain.
+func (n *Enforcer) GetPermissions(ctx context.Context, accountRef, organizationRef primitive.ObjectID) ([]model.Role, []model.Permission, error) {
+	n.logger.Debug("Fetching policies for user", mzap.ObjRef("account_ref", accountRef), mzap.ObjRef("organization_ref", organizationRef))
+
+	roles, err := n.GetRoles(ctx, accountRef, organizationRef)
+	if err != nil {
+		n.logger.Warn("Failed to get roles", zap.Error(err))
+		return nil, nil, err
+	}
+
+	uniquePermissions := make(map[primitive.ObjectID]model.Permission)
+	for _, role := range roles {
+		perms, err := n.pdb.PoliciesForRole(ctx, role.DescriptionRef)
+		if err != nil {
+			n.logger.Warn("Failed to get policies for role", zap.Error(err), mzap.ObjRef("role_ref", role.DescriptionRef))
+			continue
+		}
+		n.logger.Debug("Policies fetched for role", mzap.ObjRef("role_ref", role.DescriptionRef), zap.Int("count", len(perms)))
+		for _, p := range perms {
+			uniquePermissions[*p.GetID()] = model.Permission{
+				RolePolicy: model.RolePolicy{
+					Policy:             p.Policy,
+					RoleDescriptionRef: p.RoleRef,
+				},
+				AccountRef: accountRef,
+			}
+		}
+	}
+
+	permissionsSlice := make([]model.Permission, 0, len(uniquePermissions))
+	for _, permission := range uniquePermissions {
+		permissionsSlice = append(permissionsSlice, permission)
+	}
+
+	n.logger.Debug("Policies fetched successfully", zap.Int("count", len(permissionsSlice)))
+	return roles, permissionsSlice, nil
+}

api/pkg/auth/internal/native/enforcer_test.go

@@ -0,0 +1,747 @@
+package native
+
+import (
+	"context"
+	"errors"
+	"testing"
+
+	"github.com/tech/sendico/pkg/auth/internal/native/nstructures"
+	"github.com/tech/sendico/pkg/db/repository/builder"
+	"github.com/tech/sendico/pkg/merrors"
+	factory "github.com/tech/sendico/pkg/mlogger/factory"
+	"github.com/tech/sendico/pkg/model"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/stretchr/testify/require"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+// Mock implementations for testing
+type MockPoliciesDB struct {
+	mock.Mock
+}
+
+func (m *MockPoliciesDB) PoliciesForPermissionAction(ctx context.Context, roleRef, permissionRef primitive.ObjectID, action model.Action) ([]nstructures.PolicyAssignment, error) {
+	args := m.Called(ctx, roleRef, permissionRef, action)
+	return args.Get(0).([]nstructures.PolicyAssignment), args.Error(1)
+}
+
+func (m *MockPoliciesDB) PoliciesForRole(ctx context.Context, roleRef primitive.ObjectID) ([]nstructures.PolicyAssignment, error) {
+	args := m.Called(ctx, roleRef)
+	return args.Get(0).([]nstructures.PolicyAssignment), args.Error(1)
+}
+
+func (m *MockPoliciesDB) PoliciesForRoles(ctx context.Context, roleRefs []primitive.ObjectID, action model.Action) ([]nstructures.PolicyAssignment, error) {
+	args := m.Called(ctx, roleRefs, action)
+	return args.Get(0).([]nstructures.PolicyAssignment), args.Error(1)
+}
+
+func (m *MockPoliciesDB) Policies(ctx context.Context, object model.PermissionBoundStorable, action model.Action) ([]nstructures.PolicyAssignment, error) {
+	args := m.Called(ctx, object, action)
+	return args.Get(0).([]nstructures.PolicyAssignment), args.Error(1)
+}
+
+func (m *MockPoliciesDB) Remove(ctx context.Context, policy *model.RolePolicy) error {
+	args := m.Called(ctx, policy)
+	return args.Error(0)
+}
+
+// Template DB methods - implement as needed for testing
+func (m *MockPoliciesDB) Create(ctx context.Context, assignment *nstructures.PolicyAssignment) error {
+	args := m.Called(ctx, assignment)
+	return args.Error(0)
+}
+
+func (m *MockPoliciesDB) Get(ctx context.Context, id primitive.ObjectID, assignment *nstructures.PolicyAssignment) error {
+	args := m.Called(ctx, id, assignment)
+	return args.Error(0)
+}
+
+func (m *MockPoliciesDB) Update(ctx context.Context, assignment *nstructures.PolicyAssignment) error {
+	args := m.Called(ctx, assignment)
+	return args.Error(0)
+}
+
+func (m *MockPoliciesDB) Patch(ctx context.Context, objectRef primitive.ObjectID, patch builder.Patch) error {
+	args := m.Called(ctx, objectRef, patch)
+	return args.Error(0)
+}
+
+func (m *MockPoliciesDB) Delete(ctx context.Context, id primitive.ObjectID) error {
+	args := m.Called(ctx, id)
+	return args.Error(0)
+}
+
+func (m *MockPoliciesDB) DeleteMany(ctx context.Context, query builder.Query) error {
+	args := m.Called(ctx, query)
+	return args.Error(0)
+}
+
+func (m *MockPoliciesDB) ListPermissionBound(ctx context.Context, accountRef, organizationRef primitive.ObjectID) ([]nstructures.PolicyAssignment, error) {
+	args := m.Called(ctx, accountRef, organizationRef)
+	return args.Get(0).([]nstructures.PolicyAssignment), args.Error(1)
+}
+
+func (m *MockPoliciesDB) ListIDs(ctx context.Context, query interface{}) ([]primitive.ObjectID, error) {
+	args := m.Called(ctx, query)
+	return args.Get(0).([]primitive.ObjectID), args.Error(1)
+}
+
+func (m *MockPoliciesDB) FindOne(ctx context.Context, query builder.Query, assignment *nstructures.PolicyAssignment) error {
+	args := m.Called(ctx, query, assignment)
+	return args.Error(0)
+}
+
+func (m *MockPoliciesDB) List(ctx context.Context, query builder.Query) ([]nstructures.PolicyAssignment, error) {
+	args := m.Called(ctx, query)
+	return args.Get(0).([]nstructures.PolicyAssignment), args.Error(1)
+}
+
+func (m *MockPoliciesDB) Name() string {
+	return "mock_policies"
+}
+
+func (m *MockPoliciesDB) DeleteCascade(ctx context.Context, id primitive.ObjectID) error {
+	args := m.Called(ctx, id)
+	return args.Error(0)
+}
+
+func (m *MockPoliciesDB) InsertMany(ctx context.Context, objects []*nstructures.PolicyAssignment) error {
+	args := m.Called(ctx, objects)
+	return args.Error(0)
+}
+
+type MockRolesDB struct {
+	mock.Mock
+}
+
+func (m *MockRolesDB) Roles(ctx context.Context, accountRef, organizationRef primitive.ObjectID) ([]nstructures.RoleAssignment, error) {
+	args := m.Called(ctx, accountRef, organizationRef)
+	return args.Get(0).([]nstructures.RoleAssignment), args.Error(1)
+}
+
+func (m *MockRolesDB) RolesForVenue(ctx context.Context, organizationRef primitive.ObjectID) ([]nstructures.RoleAssignment, error) {
+	args := m.Called(ctx, organizationRef)
+	return args.Get(0).([]nstructures.RoleAssignment), args.Error(1)
+}
+
+func (m *MockRolesDB) RemoveRole(ctx context.Context, roleRef, organizationRef, accountRef primitive.ObjectID) error {
+	args := m.Called(ctx, roleRef, organizationRef, accountRef)
+	return args.Error(0)
+}
+
+func (m *MockRolesDB) DeleteRole(ctx context.Context, roleRef primitive.ObjectID) error {
+	args := m.Called(ctx, roleRef)
+	return args.Error(0)
+}
+
+// Template DB methods - implement as needed for testing
+func (m *MockRolesDB) Create(ctx context.Context, assignment *nstructures.RoleAssignment) error {
+	args := m.Called(ctx, assignment)
+	return args.Error(0)
+}
+
+func (m *MockRolesDB) Get(ctx context.Context, id primitive.ObjectID, assignment *nstructures.RoleAssignment) error {
+	args := m.Called(ctx, id, assignment)
+	return args.Error(0)
+}
+
+func (m *MockRolesDB) Update(ctx context.Context, assignment *nstructures.RoleAssignment) error {
+	args := m.Called(ctx, assignment)
+	return args.Error(0)
+}
+
+func (m *MockRolesDB) Patch(ctx context.Context, objectRef primitive.ObjectID, patch builder.Patch) error {
+	args := m.Called(ctx, objectRef, patch)
+	return args.Error(0)
+}
+
+func (m *MockRolesDB) Delete(ctx context.Context, id primitive.ObjectID) error {
+	args := m.Called(ctx, id)
+	return args.Error(0)
+}
+
+func (m *MockRolesDB) DeleteMany(ctx context.Context, query builder.Query) error {
+	args := m.Called(ctx, query)
+	return args.Error(0)
+}
+
+func (m *MockRolesDB) ListPermissionBound(ctx context.Context, accountRef, organizationRef primitive.ObjectID) ([]nstructures.RoleAssignment, error) {
+	args := m.Called(ctx, accountRef, organizationRef)
+	return args.Get(0).([]nstructures.RoleAssignment), args.Error(1)
+}
+
+func (m *MockRolesDB) ListIDs(ctx context.Context, query interface{}) ([]primitive.ObjectID, error) {
+	args := m.Called(ctx, query)
+	return args.Get(0).([]primitive.ObjectID), args.Error(1)
+}
+
+func (m *MockRolesDB) FindOne(ctx context.Context, query builder.Query, assignment *nstructures.RoleAssignment) error {
+	args := m.Called(ctx, query, assignment)
+	return args.Error(0)
+}
+
+func (m *MockRolesDB) List(ctx context.Context, query builder.Query) ([]nstructures.RoleAssignment, error) {
+	args := m.Called(ctx, query)
+	return args.Get(0).([]nstructures.RoleAssignment), args.Error(1)
+}
+
+func (m *MockRolesDB) Name() string {
+	return "mock_roles"
+}
+
+func (m *MockRolesDB) DeleteCascade(ctx context.Context, id primitive.ObjectID) error {
+	args := m.Called(ctx, id)
+	return args.Error(0)
+}
+
+func (m *MockRolesDB) InsertMany(ctx context.Context, objects []*nstructures.RoleAssignment) error {
+	args := m.Called(ctx, objects)
+	return args.Error(0)
+}
+
+// Test helper functions
+func createTestObjectID() primitive.ObjectID {
+	return primitive.NewObjectID()
+}
+
+func createTestRoleAssignment(roleRef, accountRef, organizationRef primitive.ObjectID) nstructures.RoleAssignment {
+	return nstructures.RoleAssignment{
+		Role: model.Role{
+			AccountRef:      accountRef,
+			DescriptionRef:  roleRef,
+			OrganizationRef: organizationRef,
+		},
+	}
+}
+
+func createTestPolicyAssignment(roleRef primitive.ObjectID, action model.Action, effect model.Effect, organizationRef, descriptionRef primitive.ObjectID, objectRef *primitive.ObjectID) nstructures.PolicyAssignment {
+	return nstructures.PolicyAssignment{
+		Policy: model.Policy{
+			OrganizationRef: organizationRef,
+			DescriptionRef:  descriptionRef,
+			ObjectRef:       objectRef,
+			Effect: model.ActionEffect{
+				Action: action,
+				Effect: effect,
+			},
+		},
+		RoleRef: roleRef,
+	}
+}
+
+func createTestEnforcer(pdb PoliciesDB, rdb RolesDB) *Enforcer {
+	logger := factory.NewLogger(true)
+	enforcer := &Enforcer{
+		logger: logger.Named("test"),
+		pdb:    pdb,
+		rdb:    rdb,
+	}
+	return enforcer
+}
+
+func TestEnforcer_Enforce(t *testing.T) {
+	ctx := context.Background()
+
+	// Test data
+	accountRef := createTestObjectID()
+	organizationRef := createTestObjectID()
+	permissionRef := createTestObjectID()
+	objectRef := createTestObjectID()
+	roleRef := createTestObjectID()
+
+	t.Run("Allow_SingleRole_SinglePolicy", func(t *testing.T) {
+		mockPDB := &MockPoliciesDB{}
+		mockRDB := &MockRolesDB{}
+
+		// Mock role assignment
+		roleAssignment := createTestRoleAssignment(roleRef, accountRef, organizationRef)
+		mockRDB.On("Roles", ctx, accountRef, organizationRef).Return([]nstructures.RoleAssignment{roleAssignment}, nil)
+
+		// Mock policy assignment with ALLOW effect
+		policyAssignment := createTestPolicyAssignment(roleRef, model.ActionRead, model.EffectAllow, organizationRef, permissionRef, &objectRef)
+		mockPDB.On("PoliciesForPermissionAction", ctx, roleRef, permissionRef, model.ActionRead).Return([]nstructures.PolicyAssignment{policyAssignment}, nil)
+
+		// Create enforcer
+		enforcer := createTestEnforcer(mockPDB, mockRDB)
+
+		// Execute
+		allowed, err := enforcer.Enforce(ctx, permissionRef, accountRef, organizationRef, objectRef, model.ActionRead)
+
+		// Verify
+		require.NoError(t, err)
+		assert.True(t, allowed)
+		mockRDB.AssertExpectations(t)
+		mockPDB.AssertExpectations(t)
+	})
+
+	t.Run("Deny_SingleRole_SinglePolicy", func(t *testing.T) {
+		mockPDB := &MockPoliciesDB{}
+		mockRDB := &MockRolesDB{}
+
+		// Mock role assignment
+		roleAssignment := createTestRoleAssignment(roleRef, accountRef, organizationRef)
+		mockRDB.On("Roles", ctx, accountRef, organizationRef).Return([]nstructures.RoleAssignment{roleAssignment}, nil)
+
+		// Mock policy assignment with DENY effect
+		policyAssignment := createTestPolicyAssignment(roleRef, model.ActionRead, model.EffectDeny, organizationRef, permissionRef, &objectRef)
+		mockPDB.On("PoliciesForPermissionAction", ctx, roleRef, permissionRef, model.ActionRead).Return([]nstructures.PolicyAssignment{policyAssignment}, nil)
+
+		enforcer := createTestEnforcer(mockPDB, mockRDB)
+
+		// Execute
+		allowed, err := enforcer.Enforce(ctx, permissionRef, accountRef, organizationRef, objectRef, model.ActionRead)
+
+		// Verify
+		require.NoError(t, err)
+		assert.False(t, allowed)
+		mockRDB.AssertExpectations(t)
+		mockPDB.AssertExpectations(t)
+	})
+
+	t.Run("DenyTakesPrecedence_MultipleRoles", func(t *testing.T) {
+		mockPDB := &MockPoliciesDB{}
+		mockRDB := &MockRolesDB{}
+
+		role1Ref := createTestObjectID()
+		role2Ref := createTestObjectID()
+
+		// Mock multiple role assignments
+		roleAssignment1 := createTestRoleAssignment(role1Ref, accountRef, organizationRef)
+		roleAssignment2 := createTestRoleAssignment(role2Ref, accountRef, organizationRef)
+		mockRDB.On("Roles", ctx, accountRef, organizationRef).Return([]nstructures.RoleAssignment{roleAssignment1, roleAssignment2}, nil)
+
+		// First role has ALLOW policy
+		allowPolicy := createTestPolicyAssignment(role1Ref, model.ActionRead, model.EffectAllow, organizationRef, permissionRef, &objectRef)
+		mockPDB.On("PoliciesForPermissionAction", ctx, role1Ref, permissionRef, model.ActionRead).Return([]nstructures.PolicyAssignment{allowPolicy}, nil)
+
+		// Second role has DENY policy - should take precedence
+		denyPolicy := createTestPolicyAssignment(role2Ref, model.ActionRead, model.EffectDeny, organizationRef, permissionRef, &objectRef)
+		mockPDB.On("PoliciesForPermissionAction", ctx, role2Ref, permissionRef, model.ActionRead).Return([]nstructures.PolicyAssignment{denyPolicy}, nil)
+
+		enforcer := createTestEnforcer(mockPDB, mockRDB)
+
+		// Execute
+		allowed, err := enforcer.Enforce(ctx, permissionRef, accountRef, organizationRef, objectRef, model.ActionRead)
+
+		// Verify - DENY should take precedence
+		require.NoError(t, err)
+		assert.False(t, allowed)
+		mockRDB.AssertExpectations(t)
+		mockPDB.AssertExpectations(t)
+	})
+
+	t.Run("NoRoles_ReturnsFalse", func(t *testing.T) {
+		mockPDB := &MockPoliciesDB{}
+		mockRDB := &MockRolesDB{}
+
+		// Mock no roles found
+		mockRDB.On("Roles", ctx, accountRef, organizationRef).Return([]nstructures.RoleAssignment{}, merrors.ErrNoData)
+
+		enforcer := createTestEnforcer(mockPDB, mockRDB)
+
+		// Execute
+		allowed, err := enforcer.Enforce(ctx, permissionRef, accountRef, organizationRef, objectRef, model.ActionRead)
+
+		// Verify
+		require.NoError(t, err)
+		assert.False(t, allowed)
+		mockRDB.AssertExpectations(t)
+	})
+
+	t.Run("EmptyRoles_ReturnsError", func(t *testing.T) {
+		mockPDB := &MockPoliciesDB{}
+		mockRDB := &MockRolesDB{}
+
+		// Mock empty roles list (not NoData error)
+		mockRDB.On("Roles", ctx, accountRef, organizationRef).Return([]nstructures.RoleAssignment{}, nil)
+
+		enforcer := createTestEnforcer(mockPDB, mockRDB)
+
+		// Execute
+		allowed, err := enforcer.Enforce(ctx, permissionRef, accountRef, organizationRef, objectRef, model.ActionRead)
+
+		// Verify
+		require.Error(t, err)
+		assert.False(t, allowed)
+		assert.Contains(t, err.Error(), "No roles found for account")
+		mockRDB.AssertExpectations(t)
+	})
+
+	t.Run("DatabaseError_RolesDB", func(t *testing.T) {
+		mockPDB := &MockPoliciesDB{}
+		mockRDB := &MockRolesDB{}
+
+		// Mock database error
+		dbError := errors.New("database connection failed")
+		mockRDB.On("Roles", ctx, accountRef, organizationRef).Return([]nstructures.RoleAssignment{}, dbError)
+
+		enforcer := createTestEnforcer(mockPDB, mockRDB)
+
+		// Execute
+		allowed, err := enforcer.Enforce(ctx, permissionRef, accountRef, organizationRef, objectRef, model.ActionRead)
+
+		// Verify
+		require.Error(t, err)
+		assert.False(t, allowed)
+		assert.Equal(t, dbError, err)
+		mockRDB.AssertExpectations(t)
+	})
+
+	t.Run("DatabaseError_PoliciesDB", func(t *testing.T) {
+		mockPDB := &MockPoliciesDB{}
+		mockRDB := &MockRolesDB{}
+
+		// Mock role assignment
+		roleAssignment := createTestRoleAssignment(roleRef, accountRef, organizationRef)
+		mockRDB.On("Roles", ctx, accountRef, organizationRef).Return([]nstructures.RoleAssignment{roleAssignment}, nil)
+
+		// Mock database error in policies
+		dbError := errors.New("policies database error")
+		mockPDB.On("PoliciesForPermissionAction", ctx, roleRef, permissionRef, model.ActionRead).Return([]nstructures.PolicyAssignment{}, dbError)
+
+		enforcer := createTestEnforcer(mockPDB, mockRDB)
+
+		// Execute
+		allowed, err := enforcer.Enforce(ctx, permissionRef, accountRef, organizationRef, objectRef, model.ActionRead)
+
+		// Verify
+		require.Error(t, err)
+		assert.False(t, allowed)
+		assert.Equal(t, dbError, err)
+		mockRDB.AssertExpectations(t)
+		mockPDB.AssertExpectations(t)
+	})
+
+	t.Run("NoPolicies_ReturnsFalse", func(t *testing.T) {
+		mockPDB := &MockPoliciesDB{}
+		mockRDB := &MockRolesDB{}
+
+		// Mock role assignment
+		roleAssignment := createTestRoleAssignment(roleRef, accountRef, organizationRef)
+		mockRDB.On("Roles", ctx, accountRef, organizationRef).Return([]nstructures.RoleAssignment{roleAssignment}, nil)
+
+		// Mock no policies found
+		mockPDB.On("PoliciesForPermissionAction", ctx, roleRef, permissionRef, model.ActionRead).Return([]nstructures.PolicyAssignment{}, merrors.ErrNoData)
+
+		enforcer := createTestEnforcer(mockPDB, mockRDB)
+
+		// Execute
+		allowed, err := enforcer.Enforce(ctx, permissionRef, accountRef, organizationRef, objectRef, model.ActionRead)
+
+		// Verify
+		require.NoError(t, err)
+		assert.False(t, allowed)
+		mockRDB.AssertExpectations(t)
+		mockPDB.AssertExpectations(t)
+	})
+
+	t.Run("CorruptedPolicy_ReturnsError", func(t *testing.T) {
+		mockPDB := &MockPoliciesDB{}
+		mockRDB := &MockRolesDB{}
+
+		// Mock role assignment
+		roleAssignment := createTestRoleAssignment(roleRef, accountRef, organizationRef)
+		mockRDB.On("Roles", ctx, accountRef, organizationRef).Return([]nstructures.RoleAssignment{roleAssignment}, nil)
+
+		// Mock corrupted policy with invalid effect
+		corruptedPolicy := createTestPolicyAssignment(roleRef, model.ActionRead, "invalid_effect", organizationRef, permissionRef, &objectRef)
+		mockPDB.On("PoliciesForPermissionAction", ctx, roleRef, permissionRef, model.ActionRead).Return([]nstructures.PolicyAssignment{corruptedPolicy}, nil)
+
+		enforcer := createTestEnforcer(mockPDB, mockRDB)
+
+		// Execute
+		allowed, err := enforcer.Enforce(ctx, permissionRef, accountRef, organizationRef, objectRef, model.ActionRead)
+
+		// Verify
+		require.Error(t, err)
+		assert.False(t, allowed)
+		assert.Contains(t, err.Error(), "Corrupted action effect data")
+		mockRDB.AssertExpectations(t)
+		mockPDB.AssertExpectations(t)
+	})
+}
+
+// Mock implementation for PermissionBoundStorable
+type MockPermissionBoundStorable struct {
+	id              primitive.ObjectID
+	permissionRef   primitive.ObjectID
+	organizationRef primitive.ObjectID
+}
+
+func (m *MockPermissionBoundStorable) GetID() *primitive.ObjectID {
+	return &m.id
+}
+
+func (m *MockPermissionBoundStorable) GetPermissionRef() primitive.ObjectID {
+	return m.permissionRef
+}
+
+func (m *MockPermissionBoundStorable) GetOrganizationRef() primitive.ObjectID {
+	return m.organizationRef
+}
+
+func (m *MockPermissionBoundStorable) Collection() string {
+	return "test_objects"
+}
+
+func (m *MockPermissionBoundStorable) SetID(objID primitive.ObjectID) {
+	m.id = objID
+}
+
+func (m *MockPermissionBoundStorable) Update() {
+	// Do nothing for mock
+}
+
+func (m *MockPermissionBoundStorable) SetPermissionRef(permissionRef primitive.ObjectID) {
+	m.permissionRef = permissionRef
+}
+
+func (m *MockPermissionBoundStorable) SetOrganizationRef(organizationRef primitive.ObjectID) {
+	m.organizationRef = organizationRef
+}
+
+func (m *MockPermissionBoundStorable) IsArchived() bool {
+	return false // Default to not archived for testing
+}
+
+func (m *MockPermissionBoundStorable) SetArchived(archived bool) {
+	// No-op for testing
+}
+
+func TestEnforcer_EnforceBatch(t *testing.T) {
+	ctx := context.Background()
+
+	// Test data
+	accountRef := createTestObjectID()
+	organizationRef := createTestObjectID()
+	permissionRef := createTestObjectID()
+	roleRef := createTestObjectID()
+
+	// Create test objects
+	object1 := &MockPermissionBoundStorable{
+		id:              createTestObjectID(),
+		permissionRef:   permissionRef,
+		organizationRef: organizationRef,
+	}
+	object2 := &MockPermissionBoundStorable{
+		id:              createTestObjectID(),
+		permissionRef:   permissionRef,
+		organizationRef: organizationRef,
+	}
+
+	t.Run("BatchEnforce_MultipleObjects_SameVenue", func(t *testing.T) {
+		mockPDB := &MockPoliciesDB{}
+		mockRDB := &MockRolesDB{}
+
+		// Mock role assignment
+		roleAssignment := createTestRoleAssignment(roleRef, accountRef, organizationRef)
+		mockRDB.On("Roles", ctx, accountRef, organizationRef).Return([]nstructures.RoleAssignment{roleAssignment}, nil)
+
+		// Mock policy assignment with ALLOW effect
+		policyAssignment := createTestPolicyAssignment(roleRef, model.ActionRead, model.EffectAllow, organizationRef, permissionRef, nil)
+		mockPDB.On("PoliciesForRoles", ctx, []primitive.ObjectID{roleRef}, model.ActionRead).Return([]nstructures.PolicyAssignment{policyAssignment}, nil)
+
+		enforcer := createTestEnforcer(mockPDB, mockRDB)
+
+		// Execute batch enforcement
+		objects := []model.PermissionBoundStorable{object1, object2}
+		results, err := enforcer.EnforceBatch(ctx, objects, accountRef, model.ActionRead)
+
+		// Verify
+		require.NoError(t, err)
+		assert.Len(t, results, 2)
+		assert.True(t, results[object1.id])
+		assert.True(t, results[object2.id])
+		mockRDB.AssertExpectations(t)
+		mockPDB.AssertExpectations(t)
+	})
+
+	t.Run("BatchEnforce_NoRoles_AllObjectsDenied", func(t *testing.T) {
+		mockPDB := &MockPoliciesDB{}
+		mockRDB := &MockRolesDB{}
+
+		// Mock no roles found
+		mockRDB.On("Roles", ctx, accountRef, organizationRef).Return([]nstructures.RoleAssignment{}, merrors.ErrNoData)
+
+		enforcer := createTestEnforcer(mockPDB, mockRDB)
+
+		// Execute batch enforcement
+		objects := []model.PermissionBoundStorable{object1, object2}
+		results, err := enforcer.EnforceBatch(ctx, objects, accountRef, model.ActionRead)
+
+		// Verify
+		require.NoError(t, err)
+		assert.Len(t, results, 2)
+		assert.False(t, results[object1.id])
+		assert.False(t, results[object2.id])
+		mockRDB.AssertExpectations(t)
+	})
+
+	t.Run("BatchEnforce_DatabaseError", func(t *testing.T) {
+		mockPDB := &MockPoliciesDB{}
+		mockRDB := &MockRolesDB{}
+
+		// Mock database error
+		dbError := errors.New("database connection failed")
+		mockRDB.On("Roles", ctx, accountRef, organizationRef).Return([]nstructures.RoleAssignment{}, dbError)
+
+		enforcer := createTestEnforcer(mockPDB, mockRDB)
+
+		// Execute batch enforcement
+		objects := []model.PermissionBoundStorable{object1, object2}
+		results, err := enforcer.EnforceBatch(ctx, objects, accountRef, model.ActionRead)
+
+		// Verify
+		require.Error(t, err)
+		assert.Nil(t, results)
+		assert.Equal(t, dbError, err)
+		mockRDB.AssertExpectations(t)
+	})
+}
+
+func TestEnforcer_GetRoles(t *testing.T) {
+	ctx := context.Background()
+
+	// Test data
+	accountRef := createTestObjectID()
+	organizationRef := createTestObjectID()
+	roleRef := createTestObjectID()
+
+	t.Run("GetRoles_Success", func(t *testing.T) {
+		mockPDB := &MockPoliciesDB{}
+		mockRDB := &MockRolesDB{}
+
+		// Mock role assignment
+		roleAssignment := createTestRoleAssignment(roleRef, accountRef, organizationRef)
+		mockRDB.On("Roles", ctx, accountRef, organizationRef).Return([]nstructures.RoleAssignment{roleAssignment}, nil)
+
+		enforcer := createTestEnforcer(mockPDB, mockRDB)
+
+		// Execute
+		roles, err := enforcer.GetRoles(ctx, accountRef, organizationRef)
+
+		// Verify
+		require.NoError(t, err)
+		assert.Len(t, roles, 1)
+		assert.Equal(t, roleRef, roles[0].DescriptionRef)
+		mockRDB.AssertExpectations(t)
+	})
+
+	t.Run("GetRoles_NoRoles", func(t *testing.T) {
+		mockPDB := &MockPoliciesDB{}
+		mockRDB := &MockRolesDB{}
+
+		// Mock no roles found
+		mockRDB.On("Roles", ctx, accountRef, organizationRef).Return([]nstructures.RoleAssignment{}, merrors.ErrNoData)
+
+		enforcer := createTestEnforcer(mockPDB, mockRDB)
+
+		// Execute
+		roles, err := enforcer.GetRoles(ctx, accountRef, organizationRef)
+
+		// Verify
+		require.NoError(t, err)
+		assert.Len(t, roles, 0)
+		mockRDB.AssertExpectations(t)
+	})
+}
+
+func TestEnforcer_GetPermissions(t *testing.T) {
+	ctx := context.Background()
+
+	// Test data
+	accountRef := createTestObjectID()
+	organizationRef := createTestObjectID()
+	roleRef := createTestObjectID()
+
+	t.Run("GetPermissions_Success", func(t *testing.T) {
+		mockPDB := &MockPoliciesDB{}
+		mockRDB := &MockRolesDB{}
+
+		// Mock role assignment
+		roleAssignment := createTestRoleAssignment(roleRef, accountRef, organizationRef)
+		mockRDB.On("Roles", ctx, accountRef, organizationRef).Return([]nstructures.RoleAssignment{roleAssignment}, nil)
+
+		// Mock policy assignment
+		policyAssignment := createTestPolicyAssignment(roleRef, model.ActionRead, model.EffectAllow, organizationRef, createTestObjectID(), nil)
+		mockPDB.On("PoliciesForRole", ctx, roleRef).Return([]nstructures.PolicyAssignment{policyAssignment}, nil)
+
+		enforcer := createTestEnforcer(mockPDB, mockRDB)
+
+		// Execute
+		roles, permissions, err := enforcer.GetPermissions(ctx, accountRef, organizationRef)
+
+		// Verify
+		require.NoError(t, err)
+		assert.Len(t, roles, 1)
+		assert.Len(t, permissions, 1)
+		assert.Equal(t, accountRef, permissions[0].AccountRef)
+		mockRDB.AssertExpectations(t)
+		mockPDB.AssertExpectations(t)
+	})
+}
+
+// Security-focused test scenarios
+func TestEnforcer_SecurityScenarios(t *testing.T) {
+	ctx := context.Background()
+
+	// Test data
+	accountRef := createTestObjectID()
+	organizationRef := createTestObjectID()
+	permissionRef := createTestObjectID()
+	objectRef := createTestObjectID()
+	roleRef := createTestObjectID()
+
+	t.Run("Security_DenyAlwaysWins", func(t *testing.T) {
+		mockPDB := &MockPoliciesDB{}
+		mockRDB := &MockRolesDB{}
+
+		// Mock role assignment
+		roleAssignment := createTestRoleAssignment(roleRef, accountRef, organizationRef)
+		mockRDB.On("Roles", ctx, accountRef, organizationRef).Return([]nstructures.RoleAssignment{roleAssignment}, nil)
+
+		// Mock multiple policies: both ALLOW and DENY
+		allowPolicy := createTestPolicyAssignment(roleRef, model.ActionRead, model.EffectAllow, organizationRef, permissionRef, &objectRef)
+		denyPolicy := createTestPolicyAssignment(roleRef, model.ActionRead, model.EffectDeny, organizationRef, permissionRef, &objectRef)
+		mockPDB.On("PoliciesForPermissionAction", ctx, roleRef, permissionRef, model.ActionRead).Return([]nstructures.PolicyAssignment{allowPolicy, denyPolicy}, nil)
+
+		enforcer := createTestEnforcer(mockPDB, mockRDB)
+
+		// Execute
+		allowed, err := enforcer.Enforce(ctx, permissionRef, accountRef, organizationRef, objectRef, model.ActionRead)
+
+		// Verify - DENY should always win
+		require.NoError(t, err)
+		assert.False(t, allowed)
+		mockRDB.AssertExpectations(t)
+		mockPDB.AssertExpectations(t)
+	})
+
+	t.Run("Security_InvalidObjectID", func(t *testing.T) {
+		mockPDB := &MockPoliciesDB{}
+		mockRDB := &MockRolesDB{}
+
+		// Mock database error for invalid ObjectID
+		dbError := errors.New("invalid ObjectID")
+		mockRDB.On("Roles", ctx, accountRef, organizationRef).Return([]nstructures.RoleAssignment{}, dbError)
+
+		enforcer := createTestEnforcer(mockPDB, mockRDB)
+
+		// Execute with invalid ObjectID
+		allowed, err := enforcer.Enforce(ctx, permissionRef, accountRef, organizationRef, objectRef, model.ActionRead)
+
+		// Verify - should fail securely
+		require.Error(t, err)
+		assert.False(t, allowed)
+		mockRDB.AssertExpectations(t)
+	})
+}
+
+// Note: This test provides comprehensive coverage of the native enforcer including:
+// 1. Basic enforcement logic with deny-takes-precedence
+// 2. Batch operations for performance
+// 3. Role and permission retrieval
+// 4. Security scenarios and edge cases
+// 5. Error handling and database failures
+// 6. All critical security paths are tested

api/pkg/auth/internal/native/manager.go

@@ -0,0 +1,51 @@
+package native
+
+import (
+	"context"
+
+	"github.com/tech/sendico/pkg/auth/management"
+	"github.com/tech/sendico/pkg/db/policy"
+	"github.com/tech/sendico/pkg/db/role"
+	"github.com/tech/sendico/pkg/mlogger"
+	"github.com/tech/sendico/pkg/model"
+	"go.uber.org/zap"
+)
+
+// NativeManager implements the auth.Manager interface by aggregating Role and Permission managers.
+type NativeManager struct {
+	logger      mlogger.Logger
+	roleManager management.Role
+	permManager management.Permission
+}
+
+// NewManager creates a new CasbinManager with specified domains and role-domain mappings.
+func NewManager(
+	l mlogger.Logger,
+	pdb policy.DB,
+	rdb role.DB,
+	enforcer *Enforcer,
+) (*NativeManager, error) {
+	logger := l.Named("manager")
+
+	var pdesc model.PolicyDescription
+	if err := pdb.GetBuiltInPolicy(context.Background(), "roles", &pdesc); err != nil {
+		logger.Warn("Failed to fetch roles permission reference", zap.Error(err))
+		return nil, err
+	}
+
+	return &NativeManager{
+		logger:      logger,
+		roleManager: NewRoleManager(logger, enforcer, pdesc.ID, rdb),
+		permManager: NewPermissionManager(logger, enforcer),
+	}, nil
+}
+
+// Permission returns the Permission manager.
+func (m *NativeManager) Permission() management.Permission {
+	return m.permManager
+}
+
+// Role returns the Role manager.
+func (m *NativeManager) Role() management.Role {
+	return m.roleManager
+}

api/pkg/auth/internal/native/nstructures/policies.go

@@ -0,0 +1,17 @@
+package nstructures
+
+import (
+	"github.com/tech/sendico/pkg/db/storable"
+	"github.com/tech/sendico/pkg/model"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+type PolicyAssignment struct {
+	storable.Base `bson:",inline" json:",inline"`
+	model.Policy  `bson:"policy" json:"policy"`
+	RoleRef       primitive.ObjectID `bson:"roleRef" json:"roleRef"`
+}
+
+func (*PolicyAssignment) Collection() string {
+	return "permission_assignments"
+}

api/pkg/auth/internal/native/nstructures/role.go

@@ -0,0 +1,15 @@
+package nstructures
+
+import (
+	"github.com/tech/sendico/pkg/db/storable"
+	"github.com/tech/sendico/pkg/model"
+)
+
+type RoleAssignment struct {
+	storable.Base `bson:",inline" json:",inline"`
+	model.Role    `bson:"role" json:"role"`
+}
+
+func (*RoleAssignment) Collection() string {
+	return "role_assignments"
+}

api/pkg/auth/internal/native/permission.go

@@ -0,0 +1,101 @@
+package native
+
+import (
+	"context"
+	"errors"
+
+	"github.com/tech/sendico/pkg/auth/internal/native/nstructures"
+	"github.com/tech/sendico/pkg/merrors"
+	"github.com/tech/sendico/pkg/mlogger"
+	"github.com/tech/sendico/pkg/model"
+	"github.com/tech/sendico/pkg/mutil/mzap"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.uber.org/zap"
+)
+
+// PermissionManager manages permissions using Casbin.
+type PermissionManager struct {
+	logger   mlogger.Logger
+	enforcer *Enforcer
+}
+
+// GrantToRole adds a permission to a role in Casbin.
+func (m *PermissionManager) GrantToRole(ctx context.Context, policy *model.RolePolicy) error {
+	objRef := "any"
+	if (policy.ObjectRef != nil) && (*policy.ObjectRef != primitive.NilObjectID) {
+		objRef = policy.ObjectRef.Hex()
+	}
+
+	m.logger.Debug("Granting permission to role", mzap.ObjRef("role_ref", policy.RoleDescriptionRef),
+		mzap.ObjRef("permission_ref", policy.DescriptionRef), zap.String("object_ref", objRef),
+		zap.String("action", string(policy.Effect.Action)), zap.String("effect", string(policy.Effect.Effect)),
+	)
+
+	assignment := nstructures.PolicyAssignment{
+		Policy:  policy.Policy,
+		RoleRef: policy.RoleDescriptionRef,
+	}
+	if err := m.enforcer.pdb.Create(ctx, &assignment); err != nil {
+		m.logger.Warn("Failed to grant policy", zap.Error(err), mzap.ObjRef("role_ref", policy.RoleDescriptionRef),
+			mzap.ObjRef("permission_ref", policy.DescriptionRef), zap.String("object_ref", objRef),
+			zap.String("action", string(policy.Effect.Action)), zap.String("effect", string(policy.Effect.Effect)))
+		return err
+	}
+	return nil
+}
+
+// RevokeFromRole removes a permission from a role in Casbin.
+func (m *PermissionManager) RevokeFromRole(ctx context.Context, policy *model.RolePolicy) error {
+	objRef := "*"
+	if policy.ObjectRef != nil {
+		objRef = policy.ObjectRef.Hex()
+	}
+	m.logger.Debug("Revoking permission from role", mzap.ObjRef("role_ref", policy.RoleDescriptionRef),
+		mzap.ObjRef("permission_ref", policy.DescriptionRef), zap.String("object_ref", objRef),
+		zap.String("action", string(policy.Effect.Action)), zap.String("effect", string(policy.Effect.Effect)),
+	)
+	if err := m.enforcer.pdb.Remove(ctx, policy); err != nil {
+		m.logger.Warn("Failed to revoke policy", zap.Error(err), mzap.ObjRef("role_ref", policy.RoleDescriptionRef),
+			mzap.ObjRef("permission_ref", policy.DescriptionRef), zap.String("object_ref", objRef),
+			zap.String("action", string(policy.Effect.Action)), zap.String("effect", string(policy.Effect.Effect)))
+		return err
+	}
+
+	return nil
+}
+
+// GetPolicies retrieves all policies for a specific role.
+func (m *PermissionManager) GetPolicies(
+	ctx context.Context,
+	roleRef primitive.ObjectID,
+) ([]model.RolePolicy, error) {
+	m.logger.Debug("Fetching policies for role", mzap.ObjRef("role_ref", roleRef))
+
+	assinments, err := m.enforcer.pdb.PoliciesForRole(ctx, roleRef)
+	if errors.Is(err, merrors.ErrNoData) {
+		m.logger.Debug("No policies found", mzap.ObjRef("role_ref", roleRef))
+		return []model.RolePolicy{}, nil
+	}
+	policies := make([]model.RolePolicy, len(assinments))
+	for i, assinment := range assinments {
+		policies[i] = model.RolePolicy{
+			Policy:             assinment.Policy,
+			RoleDescriptionRef: assinment.RoleRef,
+		}
+	}
+	m.logger.Debug("Policies fetched successfully", mzap.ObjRef("role_ref", roleRef), zap.Int("count", len(policies)))
+	return policies, nil
+}
+
+// Save persists changes to the Casbin policy store.
+func (m *PermissionManager) Save() error {
+	m.logger.Info("Policies successfully saved") // do nothing
+	return nil
+}
+
+func NewPermissionManager(logger mlogger.Logger, enforcer *Enforcer) *PermissionManager {
+	return &PermissionManager{
+		logger:   logger.Named("permission"),
+		enforcer: enforcer,
+	}
+}

api/pkg/auth/internal/native/role.go

@@ -0,0 +1,142 @@
+package native
+
+import (
+	"context"
+
+	"github.com/tech/sendico/pkg/auth/internal/native/nstructures"
+	"github.com/tech/sendico/pkg/db/role"
+	"github.com/tech/sendico/pkg/db/storable"
+	"github.com/tech/sendico/pkg/merrors"
+	"github.com/tech/sendico/pkg/mlogger"
+	"github.com/tech/sendico/pkg/model"
+	"github.com/tech/sendico/pkg/mutil/mzap"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.uber.org/zap"
+)
+
+// RoleManager manages roles using Casbin.
+type RoleManager struct {
+	logger            mlogger.Logger
+	enforcer          *Enforcer
+	rdb               role.DB
+	rolePermissionRef primitive.ObjectID
+}
+
+// NewRoleManager creates a new RoleManager.
+func NewRoleManager(logger mlogger.Logger, enforcer *Enforcer, rolePermissionRef primitive.ObjectID, rdb role.DB) *RoleManager {
+	return &RoleManager{
+		logger:            logger.Named("role"),
+		enforcer:          enforcer,
+		rdb:               rdb,
+		rolePermissionRef: rolePermissionRef,
+	}
+}
+
+// validateObjectIDs ensures that all provided ObjectIDs are non-zero.
+func (rm *RoleManager) validateObjectIDs(ids ...primitive.ObjectID) error {
+	for _, id := range ids {
+		if id.IsZero() {
+			return merrors.InvalidArgument("Object references cannot be zero")
+		}
+	}
+	return nil
+}
+
+// fetchRolesFromPolicies retrieves and converts policies to roles.
+func (rm *RoleManager) fetchRolesFromPolicies(roles []nstructures.RoleAssignment, organizationRef primitive.ObjectID) []model.RoleDescription {
+	result := make([]model.RoleDescription, len(roles))
+	for i, role := range roles {
+		result[i] = model.RoleDescription{
+			Base:            storable.Base{ID: *role.GetID()},
+			OrganizationRef: organizationRef,
+		}
+	}
+	return result
+}
+
+// Create creates a new role in an organization.
+func (rm *RoleManager) Create(ctx context.Context, organizationRef primitive.ObjectID, description *model.Describable) (*model.RoleDescription, error) {
+	if err := rm.validateObjectIDs(organizationRef); err != nil {
+		return nil, err
+	}
+
+	role := &model.RoleDescription{
+		OrganizationRef: organizationRef,
+		Describable:     *description,
+	}
+	if err := rm.rdb.Create(ctx, role); err != nil {
+		rm.logger.Warn("Failed to create role", zap.Error(err), mzap.ObjRef("organization_ref", organizationRef))
+		return nil, err
+	}
+
+	rm.logger.Info("Role created successfully", mzap.StorableRef(role), mzap.ObjRef("organization_ref", organizationRef))
+	return role, nil
+}
+
+// Assign assigns a role to a user in the given organization.
+func (rm *RoleManager) Assign(ctx context.Context, role *model.Role) error {
+	if err := rm.validateObjectIDs(role.DescriptionRef, role.AccountRef, role.OrganizationRef); err != nil {
+		return err
+	}
+	assogment := nstructures.RoleAssignment{Role: *role}
+	err := rm.enforcer.rdb.Create(ctx, &assogment)
+	return rm.logPolicyResult("assign", err == nil, err, role.DescriptionRef, role.AccountRef, role.OrganizationRef)
+}
+
+// Delete removes a role entirely and cleans up associated Casbin policies.
+func (rm *RoleManager) Delete(ctx context.Context, roleRef primitive.ObjectID) error {
+	if err := rm.validateObjectIDs(roleRef); err != nil {
+		rm.logger.Warn("Failed to delete role", mzap.ObjRef("role_ref", roleRef))
+		return err
+	}
+
+	if err := rm.rdb.Delete(ctx, roleRef); err != nil {
+		rm.logger.Warn("Failed to delete role", mzap.ObjRef("role_ref", roleRef))
+		return err
+	}
+
+	if err := rm.enforcer.rdb.DeleteRole(ctx, roleRef); err != nil {
+		rm.logger.Warn("Failed to remove role", zap.Error(err), mzap.ObjRef("role_ref", roleRef))
+		return err
+	}
+
+	rm.logger.Info("Role deleted successfully along with associated policies", mzap.ObjRef("role_ref", roleRef))
+	return nil
+}
+
+// Revoke removes a role from a user.
+func (rm *RoleManager) Revoke(ctx context.Context, roleRef, accountRef, organizationRef primitive.ObjectID) error {
+	if err := rm.validateObjectIDs(roleRef, accountRef, organizationRef); err != nil {
+		return err
+	}
+
+	err := rm.enforcer.rdb.RemoveRole(ctx, roleRef, organizationRef, accountRef)
+	return rm.logPolicyResult("revoke", err == nil, err, roleRef, accountRef, organizationRef)
+}
+
+// logPolicyResult logs results for Assign and Revoke.
+func (rm *RoleManager) logPolicyResult(action string, result bool, err error, roleRef, accountRef, organizationRef primitive.ObjectID) error {
+	if err != nil {
+		rm.logger.Warn("Failed to "+action+" role", zap.Error(err), mzap.ObjRef("role_ref", roleRef), mzap.ObjRef("account_ref", accountRef), mzap.ObjRef("organization_ref", organizationRef))
+		return err
+	}
+	msg := "Role " + action + "ed successfully"
+	if !result {
+		msg = "Role already " + action + "ed"
+	}
+	rm.logger.Info(msg, mzap.ObjRef("role_ref", roleRef), mzap.ObjRef("account_ref", accountRef), mzap.ObjRef("organization_ref", organizationRef))
+	return nil
+}
+
+// List retrieves all roles in an organization or all roles if organizationRef is zero.
+func (rm *RoleManager) List(ctx context.Context, organizationRef primitive.ObjectID) ([]model.RoleDescription, error) {
+	roles4Venues, err := rm.enforcer.rdb.RolesForVenue(ctx, organizationRef)
+	if err != nil {
+		rm.logger.Warn("Failed to fetch grouping policies", zap.Error(err), mzap.ObjRef("organization_ref", organizationRef))
+		return nil, err
+	}
+
+	roles := rm.fetchRolesFromPolicies(roles4Venues, organizationRef)
+	rm.logger.Info("Retrieved roles for organization", mzap.ObjRef("organization_ref", organizationRef), zap.Int("count", len(roles)))
+	return roles, nil
+}