feature (plugin): API to develop plugin

server/plugin/example/index.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	. "github.com/mickael-kerjean/nuage/server/common"
+	"io"
+	"net/http"
+)
+
+func Register(config *Config) []Plugin {
+	config.Get("plugins.example.foo").Default("bar")
+
+	return []Plugin{
+		{
+			Type: PROCESS_FILE_CONTENT_BEFORE_SEND, // where to hook our plugin in the request lifecycle
+			Call: hook, // actual function we trigger
+			Priority: 5, // determine execution order whilst multiple plugin type
+		},
+	}
+}
+
+func hook(file io.Reader, ctx *App, res *http.ResponseWriter, req *http.Request) (io.Reader, error){
+	Log.Info("example plugin with config: '" + ctx.Config.Get("plugins.example.foo").String() + "'")
+	return file, nil
+}