// AuthRedirectHandler reads the request token from the ctx and redirects
// to the authorization URL.
func AuthRedirectHandler(config *oauth1.Config, failure ctxh.ContextHandler) ctxh.ContextHandler {
if failure == nil {
failure = gologin.DefaultFailureHandler
}
fn := func(ctx context.Context, w http.ResponseWriter, req *http.Request) {
requestToken, _, err := RequestTokenFromContext(ctx)
if err != nil {
ctx = gologin.WithError(ctx, err)
failure.ServeHTTP(ctx, w, req)
return
}
authorizationURL, err := config.AuthorizationURL(requestToken)
if err != nil {
ctx = gologin.WithError(ctx, err)
failure.ServeHTTP(ctx, w, req)
return
}
http.Redirect(w, req, authorizationURL.String(), http.StatusFound)
}
return ctxh.ContextHandlerFunc(fn)
}
