authz

package
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Published: Dec 7, 2016 License: Apache-2.0 Imports: 7 Imported by: 0

Documentation

Overview

Copyright 2016 Mender Software AS

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

Copyright 2016 Mender Software AS

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

Index

Constants

This section is empty.

Variables

View Source
var (
	ErrAuthzUnauthorized = errors.New("unauthorized")
	ErrAuthzNoAuthHeader = errors.New("missing or invalid auth header")
	ErrAuthzTokenInvalid = errors.New("invalid jwt")
)

Functions

This section is empty.

Types

type Authorizer

type Authorizer interface {
	// Authorize checks if the given user (identified by token) has permissions to an action on a resource.
	// returns:
	// nil if authorization is granted
	// ErrAuthzUnauthorized otherwise
	// ErrAuthzTokenInvalid if can't parse token
	Authorize(token, resource, action string) error
	WithLog(l *log.Logger) Authorizer
}

Authorizer defines the interface for checking the permissions of a given user(token) vs an action on a resource.

type AuthzMiddleware

type AuthzMiddleware struct {
	Authz   Authorizer
	ResFunc ResourceExtractor
}

AuthzMiddleware checks the authorization on a given request. It retrieves the requested resource and action, and delegates the authz check to an Authorizer.

func (*AuthzMiddleware) MiddlewareFunc

func (mw *AuthzMiddleware) MiddlewareFunc(h rest.HandlerFunc) rest.HandlerFunc

MiddlewareFunc makes AuthzMiddleware implement the Middleware interface.

type ResourceExtractor

type ResourceExtractor func(r *rest.Request) (string, error)

ResourceExtractor extract resource IDs from requests.

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