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internal: urlencode client id and secret in header 

As per https://tools.ietf.org/html/rfc6749#section-2.3.1 client IDs and secrets must be urlencoded in the authorization header. This patch addresses this by wrapping clientID and clientSecret with url.QueryEscape. A dedicated test for unsafe-url client IDs and secrets has been added as well.

Closes #237

Change-Id: I1f277b52caef4932e14147be8fb1712203da51d0
Reviewed-on: https://go-review.googlesource.com/46473
Reviewed-by: JBD <jbd@google.com>
This commit is contained in:
Aeneas Rekkas (arekkas) 2017-06-22 17:12:08 +02:00 committed by JBD
parent d89af98d7c
commit 13449ad91c
2 changed files with 20 additions and 1 deletions
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2
internal/token.go
View File

@ -188,7 +188,7 @@ func RetrieveToken(ctx context.Context, clientID, clientSecret, tokenURL string,
}
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
if !bustedAuth {
req.SetBasicAuth(clientID, clientSecret)
req.SetBasicAuth(url.QueryEscape(clientID), url.QueryEscape(clientSecret))
}
r, err := ctxhttp.Do(ctx, hc, req)
if err != nil {

19
oauth2_test.go
View File

@ -72,6 +72,25 @@ func TestAuthCodeURL_Optional(t *testing.T) {
}
}
func TestURLUnsafeClientConfig(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if got, want := r.Header.Get("Authorization"), "Basic Q0xJRU5UX0lEJTNGJTNGOkNMSUVOVF9TRUNSRVQlM0YlM0Y="; got != want {
t.Errorf("Authorization header = %q; want %q", got, want)
}
w.Header().Set("Content-Type", "application/x-www-form-urlencoded")
w.Write([]byte("access_token=90d64460d14870c08c81352a05dedd3465940a7c&scope=user&token_type=bearer"))
}))
defer ts.Close()
conf := newConf(ts.URL)
conf.ClientID = "CLIENT_ID??"
conf.ClientSecret = "CLIENT_SECRET??"
_, err := conf.Exchange(context.Background(), "exchange-code")
if err != nil {
t.Error(err)
}
}
func TestExchangeRequest(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.URL.String() != "/token" {