Package casbin

Constants

const (
    // CasbinModelContextKey holds the key to store the access control model
    // in context, it can be a path to configuration file or a casbin/model
    // Model.
    CasbinModelContextKey contextKey = "CasbinModel"

    // CasbinPolicyContextKey holds the key to store the access control policy
    // in context, it can be a path to policy file or an implementation of
    // casbin/persist Adapter interface.
    CasbinPolicyContextKey contextKey = "CasbinPolicy"

    // CasbinEnforcerContextKey holds the key to retrieve the active casbin
    // Enforcer.
    CasbinEnforcerContextKey contextKey = "CasbinEnforcer"
)

Variables

var (
    // ErrModelContextMissing denotes a casbin model was not passed into
    // the parsing of middleware's context.
    ErrModelContextMissing = errors.New("CasbinModel is required in context")

    // ErrPolicyContextMissing denotes a casbin policy was not passed into
    // the parsing of middleware's context.
    ErrPolicyContextMissing = errors.New("CasbinPolicy is required in context")

    // ErrUnauthorized denotes the subject is not authorized to do the action
    // intended on the given object, based on the context model and policy.
    ErrUnauthorized = errors.New("Unauthorized Access")
)

func NewEnforcer ¶

func NewEnforcer(
    subject string, object interface{}, action string,
) endpoint.Middleware

NewEnforcer checks whether the subject is authorized to do the specified action on the given object. If a valid access control model and policy is given, then the generated casbin Enforcer is stored in the context with CasbinEnforcer as the key.