Update README.md

socios-oauth2/README.md

@@ -20,6 +20,92 @@
 
 2. Once added, `run npm i` then `run npm start`
 
+## example express application
+
+import path from "path";
+import express from "express";
+import { Server } from "@tokenscript/token-negotiator-server";
+import { fileURLToPath } from "url";
+import bodyParser from "body-parser";
+import cookieParser from "cookie-parser";
+import cors from "cors";
+import "dotenv/config";
+
+const app = express();
+const port = 5000;
+const hostname = process.env.HOST;
+
+// ES6 solution for __dirname
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+app.use(bodyParser.urlencoded({ extended: false }));
+app.use(bodyParser.json());
+app.use(cookieParser());
+app.use(express.static(path.join(__dirname, "public")));
+
+const tokenNegotiatorServer = new Server({
+  issuers: {
+    socios: {
+      collectionID: process.env.SOCIOS_COLLECTION_ID,
+      consumerKey: process.env.SOCIOS_CUSTOMER_KEY,
+      consumerSecret: process.env.SOCIOS_CUSTOMER_SECRET,
+      partnerTag: process.env.SOCIOS_PARTNER_TAG,
+      redirectURI: process.env.SOCIOS_REDIRECT_URI,
+      returnToApplicationURL: process.env.SOCIOS_RETURN_TO_APP_URL,
+    },
+  },
+});
+
+const corsOptions = { origin: process.env.APPLICATION_URL };
+
+app.get("/", function (request, response) {
+  response.sendFile(path.join(__dirname, "./public/index.html"));
+});
+
+app.get("/user-login-callback", cors(), async (request, response) => {
+  const accessTokenData = await tokenNegotiatorServer.socios.getAccessToken(
+    request.query.code,
+    response
+  );
+
+  tokenNegotiatorServer.utils.setAccessTokenCookie(
+    response,
+    "socios",
+    accessTokenData
+  );
+
+  // navigate back to the application page including the wallet provider details.
+  response.redirect(`${process.env.SOCIOS_RETURN_TO_APP_URL}`);
+});
+
+app.get("/user-balance", cors(corsOptions), async (request, response) => {
+  const output = await tokenNegotiatorServer.socios.getFungibleTokenBalance(
+    request.cookies["tn-oauth2-access-token-socios"]
+  );
+  response.json(output);
+});
+
+app.get("/user-nfts", cors(corsOptions), async (request, response) => {
+  const output = await tokenNegotiatorServer.socios.getNonFungibleTokens(
+    request.cookies["tn-oauth2-access-token-socios"]
+  );
+  response.json(output);
+});
+
+app.post("/user-logout", cors(corsOptions), async (request, response) => {
+  const output = await tokenNegotiatorServer.socios.userLogout(
+    process.env.SOCIOS_AUTH_KEY,
+    request.cookies["tn-oauth2-access-token-socios"]
+  );
+  response.json(output);
+});
+
+app.listen(port, hostname, () => console.info(`App listening ${hostname ?? ''} on port ${port}`));
+
+
+
+