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" )
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") // intended on the given object, based on the context model and policy. ErrUnauthorized = errors.New("Unauthorized Access") )
func NewEnforcer ¶
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.
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