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Correctly return when repo name is not available

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The branch that executes after a failed request authorization due to a missing
repo name now correctly returns an error. This is somewhat superficial since
the response would have already been executed. Although, unintended repository
operations may have occurred.

Documentations and comments have also been updated to be in line with
surrounding changes.

Signed-off-by: Stephen J Day <stephen.day@docker.com>
This commit is contained in:
Stephen J Day 2015-02-10 15:19:02 -08:00
parent 9bde7d9835
commit 287e11e1d4
1 changed files with 10 additions and 7 deletions
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17
docs/app.go
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@ -222,6 +222,7 @@ func (app *App) dispatcher(dispatch dispatchFunc) http.Handler {
}()
if err := app.authorized(w, r, context); err != nil {
ctxu.GetLogger(context).Errorf("error authorizing context: %v", err)
return
}
@ -270,8 +271,8 @@ func (app *App) context(w http.ResponseWriter, r *http.Request) *Context {
}
// authorized checks if the request can proceed with access to the requested
// repository. If it succeeds, the repository will be available on the
// context. An error will be if access is not available.
// repository. If it succeeds, the context may access the requested
// repository. An error will be returned if access is not available.
func (app *App) authorized(w http.ResponseWriter, r *http.Request, context *Context) error {
ctxu.GetLogger(context).Debug("authorizing request")
repo := getName(context)
@ -319,17 +320,19 @@ func (app *App) authorized(w http.ResponseWriter, r *http.Request, context *Cont
route := mux.CurrentRoute(r)
if route == nil || route.GetName() != v2.RouteNameBase {
// For this to be properly secured, context.Name must always be set
// for a resource that may make a modification. The only condition
// under which name is not set and we still allow access is when the
// base route is accessed. This section prevents us from making that
// mistake elsewhere in the code, allowing any operation to proceed.
// For this to be properly secured, repo must always be set for a
// resource that may make a modification. The only condition under
// which name is not set and we still allow access is when the
// base route is accessed. This section prevents us from making
// that mistake elsewhere in the code, allowing any operation to
// proceed.
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.WriteHeader(http.StatusForbidden)
var errs v2.Errors
errs.Push(v2.ErrorCodeUnauthorized)
serveJSON(w, errs)
return fmt.Errorf("forbidden: no repository name")
}
}