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oauth2/jws: minor readability improvements 

Change-Id: I8bcf0bc88b3db49ac281531524e792e8547e1e07
Reviewed-on: https://go-review.googlesource.com/1671
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Burcu Dogan 2014-12-16 11:56:54 -08:00
parent 7bbf2199a5
commit 7512128337
1 changed files with 9 additions and 12 deletions
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21
jws/jws.go
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@ -104,7 +104,7 @@ func (h *Header) encode() (string, error) {
}
// Decode decodes a claim set from a JWS payload.
func Decode(payload string) (c *ClaimSet, err error) {
func Decode(payload string) (*ClaimSet, error) {
// decode returned id token to get expiry
s := strings.Split(payload, ".")
if len(s) < 2 {
@ -115,31 +115,28 @@ func Decode(payload string) (c *ClaimSet, err error) {
if err != nil {
return nil, err
}
c = &ClaimSet{}
c := &ClaimSet{}
err = json.NewDecoder(bytes.NewBuffer(decoded)).Decode(c)
return c, err
}
// Encode encodes a signed JWS with provided header and claim set.
func Encode(header *Header, c *ClaimSet, signature *rsa.PrivateKey) (payload string, err error) {
var encodedHeader, encodedClaimSet string
encodedHeader, err = header.encode()
func Encode(header *Header, c *ClaimSet, signature *rsa.PrivateKey) (string, error) {
head, err := header.encode()
if err != nil {
return
return "", err
}
encodedClaimSet, err = c.encode()
cs, err := c.encode()
if err != nil {
return
return "", err
}
ss := fmt.Sprintf("%s.%s", encodedHeader, encodedClaimSet)
ss := fmt.Sprintf("%s.%s", head, cs)
h := sha256.New()
h.Write([]byte(ss))
b, err := rsa.SignPKCS1v15(rand.Reader, signature, crypto.SHA256, h.Sum(nil))
if err != nil {
return
return "", err
}
sig := base64Encode(b)
return fmt.Sprintf("%s.%s", ss, sig), nil
}