Function NewProxy

imageproxy.go:109–140

NewProxy constructs a new proxy. The provided http RoundTripper will be used to fetch remote URLs. If nil is provided, http.DefaultTransport will be used.

(transport http.RoundTripper, cache Cache)

// used to fetch remote URLs.  If nil is provided, http.DefaultTransport will
// be used.
func NewProxy(transport http.RoundTripper, cache Cache) *Proxy {
	if transport == nil {
		transport, _ = aia.NewTransport()
	}
	if cache == nil {
		cache = NopCache
	}

	proxy := &Proxy{
		Cache: cache,
	}

	client := new(http.Client)
	client.Transport = &httpcache.Transport{
		Transport: &TransformingTransport{
			Transport:     transport,
			CachingClient: client,
			log: func(format string, v ...any) {
				if proxy.Verbose {
					proxy.logf(format, v...)
				}
			},
			updateCacheHeaders: proxy.updateCacheHeaders,
		},
		Cache:               cache,
		MarkCachedResponses: true,
	}

	proxy.Client = client

	return proxy
}

// updateCacheHeaders updates the cache-control headers in the provided headers.
//