serve: add auth proxy infrastructure

cmd/serve/proxy/proxy_code.go

@@ -0,0 +1,41 @@
+// +build ignore
+
+// A simple auth proxy for testing purposes
+package main
+
+import (
+	"encoding/json"
+	"log"
+	"os"
+)
+
+func main() {
+	// Read the input
+	var in map[string]string
+	err := json.NewDecoder(os.Stdin).Decode(&in)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Write the output
+	var out = map[string]string{}
+	for k, v := range in {
+		switch k {
+		case "user":
+			v += "-test"
+		case "error":
+			log.Fatal(v)
+		}
+		out[k] = v
+	}
+	if out["type"] == "" {
+		out["type"] = "local"
+	}
+	if out["_root"] == "" {
+		out["_root"] = ""
+	}
+	json.NewEncoder(os.Stdout).Encode(&out)
+	if err != nil {
+		log.Fatal(err)
+	}
+}