auth.go
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auth.go
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	package auth

	import (
	uuid "github.com/nu7hatch/gouuid"
	"github.com/writeas/web-core/log"
	"strings"
	)

	// GetToken parses out the user token from either an Authorization header or simply passed in.
	func GetToken(header string) []byte {
	var accessToken []byte
	token := header
	if len(header) > 0 {
	f := strings.Fields(header)
	if len(f) == 2 && f[0] == "Token" {
	token = f[1]
	}
	}
	t, err := uuid.ParseHex(token)
	if err != nil {
	log.Error("Couldn't parseHex on '%s': %v", accessToken, err)
	} else {
	accessToken = t[:]
	}
	return accessToken
	}

	// GetHeaderToken parses out the user token from an Authorization header.
	func GetHeaderToken(header string) []byte {
	var accessToken []byte
	if len(header) > 0 {
	f := strings.Fields(header)
	if len(f) == 2 && f[0] == "Token" {
	t, err := uuid.ParseHex(f[1])
	if err != nil {
	log.Error("Couldn't parseHex on '%s': %v", accessToken, err)
	} else {
	accessToken = t[:]
	}
	}
	}
	return accessToken
	}