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Upon HTTP 302 redirect do not include "Authorization" header on 'untrusted' registries. 

Refactoring in Docker 1.7 changed the behavior to add this header where as Docker <= 1.6 wouldn't emit this Header on a HTTP 302 redirect.

This closes #13649

Signed-off-by: Jeffrey van Gogh <jvg@google.com>
master
Jeffrey van Gogh 2015-06-01 15:13:35 -07:00
parent 7d11fc6e5c
commit 5418e3be0c
1 changed files with 7 additions and 1 deletions
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8
docs/session.go
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@ -84,7 +84,13 @@ func (tr *authTransport) RoundTrip(orig *http.Request) (*http.Response, error) {
if req.Header.Get("Authorization") == "" {
if req.Header.Get("X-Docker-Token") == "true" && len(tr.Username) > 0 {
req.SetBasicAuth(tr.Username, tr.Password)
} else if len(tr.token) > 0 {
} else if len(tr.token) > 0 &&
// Authorization should not be set on 302 redirect for untrusted locations.
// This logic mirrors the behavior in AddRequiredHeadersToRedirectedRequests.
// As the authorization logic is currently implemented in RoundTrip,
// a 302 redirect is detected by looking at the Referer header as go http package adds said header.
// This is safe as Docker doesn't set Referer in other scenarios.
(req.Header.Get("Referer") == "" || trustedLocation(orig)) {
req.Header.Set("Authorization", "Token "+strings.Join(tr.token, ","))
}
}