56 lines
1.1 KiB
Go
56 lines
1.1 KiB
Go
package auth
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import "errors"
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// Auther is a generic interface to implement password-based authentication and authorization
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type Auther interface {
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Authenticate(user, pass string) (*User, error)
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Authorize(user *User, topic string, perm Permission) error
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}
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type Manager interface {
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AddUser(username, password string, role Role) error
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RemoveUser(username string) error
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ChangePassword(username, password string) error
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ChangeRole(username string, role Role) error
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AllowAccess(username string, topic string, read bool, write bool) error
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ResetAccess(username string, topic string) error
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}
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type User struct {
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Name string
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Role Role
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}
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type Permission int
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const (
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PermissionRead = Permission(1)
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PermissionWrite = Permission(2)
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)
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type Role string
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const (
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RoleAdmin = Role("admin")
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RoleUser = Role("user")
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RoleNone = Role("none")
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)
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var Everyone = &User{
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Name: "",
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Role: RoleNone,
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}
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var Roles = []Role{
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RoleAdmin,
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RoleUser,
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RoleNone,
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}
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func AllowedRole(role Role) bool {
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return role == RoleUser || role == RoleAdmin
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}
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var ErrUnauthorized = errors.New("unauthorized")
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