stash

modules.go

@@ -0,0 +1,36 @@
+package imageproxy
+
+import "net/http"
+
+// Module needs docs.
+type Module interface {
+	ImageproxyModule() ModuleInfo
+}
+
+// ModuleInfo needs docs.
+type ModuleInfo struct {
+	ID ModuleID
+
+	New func() Module
+}
+
+// ModuleID needs docs.
+type ModuleID string
+
+// A RequestAuthorizer determines if a request is authorized to be processed.
+// Requests are processed before the remote resource is retrieved.
+type RequestAuthorizer interface {
+	// Authorize returns an error if the request should not
+	// be processed further (for example, it doesn't have a
+	// valid signature, is not for an allowed host, etc).
+	AuthorizeRequest(req *http.Request) error
+}
+
+// A ResponseAuthorizer determines if a response from a remote server
+// is authorized to be returned.
+type ResponseAuthorizer interface {
+	// AuthorizeResponse returns an error if a response should not be
+	// returned to a client (for example, it is not for an image
+	// resource, etc).
+	AuthorizeResponse(res http.Response) error
+}