add go auth exmples and sdk code

sdk/assemblyscript/examples/auth/README.md

@@ -1,6 +1,3 @@
 # Hypermode Simple Example Plugin
 
-This is a _very_ simple example showing how to write a Hypermode plugin.
-It doesn't do very much, but it should illustrate how to write a function.
-
-See [./assembly/index.ts](./assembly/index.ts) for the implementation.
+This is an example showing how to write a Hypermode plugin that uses auth.

sdk/assemblyscript/examples/auth/assembly/index.ts

@@ -21,5 +21,5 @@ export class Claims {
   public userId!: string;
 }
 export function getJWTClaims(): Claims {
-  return auth.jwt.getClaims<Claims>();
+  return auth.getJWTClaims<Claims>();
 }

sdk/assemblyscript/examples/auth/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "simple-example",
+  "name": "auth-example",
   "private": true,
   "description": "Modus AssemblyScript Simple Example",
   "author": "Hypermode Inc.",

sdk/assemblyscript/src/assembly/auth.ts

@@ -8,8 +8,10 @@
  */
 import { JSON } from "json-as";
 
-export class jwt {
-  public static getClaims<T>(): T {
-    return JSON.parse<T>(process.env.get("JWT_CLAIMS"));
+export function getJWTClaims<T>(): T {
+  const claims = process.env.get("JWT_CLAIMS");
+  if (!claims) {
+    throw new Error("JWT claims not found.");
   }
+  return JSON.parse<T>(claims);
 }

sdk/go/examples/auth/build.cmd

@@ -0,0 +1,12 @@
+@echo off
+
+:: This build script works best for examples that are in this repository.
+:: If you are using this as a template for your own project, you may need to modify this script,
+:: to invoke the modus-go-build tool with the correct path to your project.
+
+SET "PROJECTDIR=%~dp0"
+pushd ..\..\tools\modus-go-build > nul
+go run . "%PROJECTDIR%"
+set "exit_code=%ERRORLEVEL%"
+popd > nul
+exit /b %exit_code%

sdk/go/examples/auth/build.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+# This build script works best for examples that are in this repository.
+# If you are using this as a template for your own project, you may need to modify this script,
+# to invoke the modus-go-build tool with the correct path to your project.
+
+PROJECTDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+pushd ../../tools/modus-go-build > /dev/null
+go run . "$PROJECTDIR"
+exit_code=$?
+popd > /dev/null
+exit $exit_code

sdk/go/examples/auth/go.mod

@@ -0,0 +1,7 @@
+module auth-example
+
+go 1.23.0
+
+require github.com/hypermodeinc/modus/sdk/go v0.0.0
+
+replace github.com/hypermodeinc/modus/sdk/go => ../../

sdk/go/examples/auth/hypermode.json

@@ -0,0 +1,12 @@
+{
+  "$schema": "https://manifest.hypermode.com/hypermode.json",
+  "models": {
+    // No models are used by this example, but if you add any, they would go here.
+  },
+  "hosts": {
+    // No hosts are used by this example, but if you add any, they would go here.
+  },
+  "collections": {
+    // No collections are used by this example, but if you add any, they would go here.
+  }
+}

sdk/go/examples/auth/main.go

@@ -0,0 +1,25 @@
+/*
+ * This example is part of the Modus project, licensed under the Apache License 2.0.
+ * You may modify and use this example in accordance with the license.
+ * See the LICENSE file that accompanied this code for further details.
+ */
+
+package main
+
+import (
+	"github.com/hypermodeinc/modus/sdk/go/pkg/auth"
+)
+
+type Claims struct {
+	Exp    int64  `json:"exp"`
+	Iat    int64  `json:"iat"`
+	Iss    string `json:"iss"`
+	Jti    string `json:"jti"`
+	Nbf    int64  `json:"nbf"`
+	Sub    string `json:"sub"`
+	UserId string `json:"user-id"`
+}
+
+func GetJWTClaims() (*Claims, error) {
+	return auth.GetJWTClaims[*Claims]()
+}

sdk/go/examples/simple/main.go

@@ -182,7 +182,3 @@ func TestLogging() {
 	//
 	// The console functions also allow you to better control the reported logging level.
 }
-
-func TestEnvVars() string {
-	return os.Getenv("JWT_CLAIMS")
-}

sdk/go/pkg/auth/jwt.go

@@ -0,0 +1,24 @@
+package auth
+
+import (
+	"errors"
+	"os"
+
+	"github.com/hypermodeinc/modus/sdk/go/pkg/utils"
+)
+
+type JWT struct{}
+
+func GetJWTClaims[T any]() (T, error) {
+	var claims T
+	claimsStr := os.Getenv("JWT_CLAIMS")
+	if claimsStr == "" {
+		return claims, errors.New("JWT claims not found")
+	}
+	err := utils.JsonDeserialize([]byte(claimsStr), &claims) // Convert claimsStr to byte slice
+	if err != nil {
+		return claims, err
+	}
+
+	return claims, nil
+}