decoder

Documentation

Overview

Package decoder implements base64 decoding of signed urls for insecure asset proxying. Copyright (c) 2012-2016 Eli Janssen Copyright (c) 2017 Berkeley Electronic Press Copyright (c) 2017 Reed O'Brien reed@reedobrien.com Use of this source code is governed by an MIT-style license that can be found in the LICENSE file.

Index

• type Decoder
• type URLDecoder
  • func MustNew(hmackey []byte) URLDecoder
  • func (ed URLDecoder) Decode(dig, url string) (string, error)

Types

type Decoder

type Decoder interface {
	Decode(string, string) (string, error)
}

Decoder is an interface that signs and encodes or verifies and decodes URLs for camo consumption.

type URLDecoder

type URLDecoder struct {
	// contains filtered or unexported fields
}

URLDecoder implements Decoder.

func MustNew

func MustNew(hmackey []byte) URLDecoder

MustNew returns a new UrlDecoder or panics.

func (URLDecoder) Decode

func (ed URLDecoder) Decode(dig, url string) (string, error)

Decode verifies the signature (digest) against the decoded url. It ensures the url is properly verified via HMAC, and then decodes the url, returning the url (if valid) or an error.