Initial commit

.env.example

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+STRIPE_SECRET_KEY=your_secret_key
+STRIPE_ENDPOINT_SECRET=your_endpoint_secret

.gitignore

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+# Build and Release Folders
+bin-debug/
+bin-release/
+[Oo]bj/
+[Bb]in/
+
+# Other files and folders
+.settings/
+node_modules/
+
+
+# Executables
+*.swf
+*.air
+*.ipa
+*.apk
+*.env
+
+# Project files, i.e. `.project`, `.actionScriptProperties` and `.flexProperties`
+# should NOT be excluded as they contain compiler settings and other important
+# information for Eclipse / Flash Builder.

LICENSE

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+MIT License
+
+Copyright (c) 2024 Salman Dabbakuti
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# Stripe Payments Integration with express
+
+This is a simple project to demonstrate how to integrate stripe payments and webhook handling with express
+
+## Getting Started
+
+> Copy the `.env.example` file to `.env` and fill in the required values.
+
+```bash
+
+npm install
+
+npm start
+```
+
+## Usage
+
+- Go to `http://localhost:3000/purchase` and click on checkout.
+- It will redirect you to the stripe checkout page. Fill in the details and click on pay.
+- You will be redirected to the success page if the payment is successful.
+- You can see the payment details in the stripe dashboard.
+
+## License
+
+This project is licensed under the MIT License - see the [LICENSE.md](LICENSE.md) file for details.

config.js

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+require('dotenv').config();
+
+const STRIPE_SECRET_KEY = process.env.STRIPE_SECRET_KEY;
+const STRIPE_ENDPOINT_SECRET = process.env.STRIPE_ENDPOINT_SECRET;
+
+module.exports = {
+  STRIPE_SECRET_KEY,
+  STRIPE_ENDPOINT_SECRET
+};

index.js

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+const express = require("express");
+const Stripe = require("stripe");
+const { STRIPE_SECRET_KEY, STRIPE_ENDPOINT_SECRET } = require("./config");
+
+const stripe = new Stripe(STRIPE_SECRET_KEY);
+
+const app = express();
+
+// Middleware
+app.use(express.json({
+  verify: (req, res, buf) => {
+    if (req.originalUrl.startsWith("/payment-webhook")) {
+      req.rawBody = buf.toString();
+    }
+  }
+}));
+app.use(express.urlencoded({ extended: true }));
+app.use(express.static(__dirname + "/public"));
+
+
+// Routes
+app.post("/create-payment-session", async (req, res) => {
+  try {
+    const { amount, currency } = req.body;
+    const session = await stripe.checkout.sessions.create({
+      payment_method_types: ["card"],
+      line_items: [
+        {
+          price_data: {
+            currency,
+            product_data: {
+              name: "Technow Pro Subscription",
+              description: "Monthly subscription to Technow Pro",
+              images: ["https://picsum.photos/200/300"]
+            },
+            unit_amount: amount * 100 // accepts amount in cents
+          },
+          quantity: 1
+        }
+      ],
+      payment_intent_data: {
+        // metadata to store custom data and map in webhook
+        // can only store string values, so stringify if needed
+        metadata: {
+          order_id: "12345",
+          user_id: "67890"
+        }
+      },
+      mode: "payment",
+      success_url: `${req.headers.origin}/payment-success`,
+      cancel_url: `${req.headers.origin}/payment-cancel`
+    });
+    res.status(200).json({ id: session.id, url: session.url });
+  } catch (error) {
+    console.error("Error creating order:", error);
+    res.status(500).json({
+      code: "Internal server error",
+      message: error.message
+    });
+  }
+});
+
+app.post("/payment-webhook", async (req, res) => {
+  console.log("Received webhook payload:", req.body);
+  console.log("Received stripe webhook event");
+  const sig = req.headers["stripe-signature"];
+  let event;
+  try {
+    event = stripe.webhooks.constructEvent(
+      req.rawBody, // raw request body. if express.raw() middleware is used, use req.body
+      sig,
+      STRIPE_ENDPOINT_SECRET
+    );
+  } catch (err) {
+    console.log("Webhook Error: ", err.message);
+    return res.status(400).send(`Webhook Error: ${err.message}`);
+  }
+
+  // Handle the event
+  switch (event.type) {
+    case "payment_intent.succeeded":
+      console.log("Received payment_intent.succeeded event");
+      const paymentIntent = event.data.object;
+      console.log("Payment success intent:", paymentIntent);
+      // verify payment and update order status in database
+      break;
+    default:
+      console.log(`Unhandled event type ${event.type}`);
+  }
+});
+
+app.get("/", (req, res) => res.send("Hello World"));
+app.get("/purchase", (req, res) =>
+  res.sendFile(__dirname + "/public/purchase.html")
+);
+app.get("/payment-cancel", (req, res) =>
+  res.sendFile(__dirname + "/public/payment-cancel.html")
+);
+app.get("/payment-success", (req, res) =>
+  res.sendFile(__dirname + "/public/payment-success.html")
+);
+
+const PORT = process.env.PORT || 3000;
+app.listen(PORT, () =>
+  console.log(`Server is running on http://localhost:${PORT}`)
+);

orders.json

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+[
+  {
+    "order_id": "order_PZJiFDNompVq8E",
+    "amount": 599900,
+    "currency": "INR",
+    "receipt": "order_rcptid_11",
+    "notes": {
+      "email": "[email protected]",
+      "plan": "basic",
+      "userId": "123"
+    },
+    "createdBy": "123",
+    "status": "paid",
+    "payment_id": "pay_PZJiRTrfw0Erhc"
+  },
+  {
+    "order_id": "order_PZJk44KVGtbTJS",
+    "amount": 599900,
+    "currency": "INR",
+    "receipt": "order_rcptid_11",
+    "notes": {
+      "email": "[email protected]",
+      "plan": "basic",
+      "userId": "123"
+    },
+    "createdBy": "123",
+    "status": "paid",
+    "payment_id": "pay_PZJkqXpqJRCSaF"
+  },
+  {
+    "order_id": "order_PZJlSWqlP0HzoT",
+    "amount": 599900,
+    "currency": "INR",
+    "receipt": "order_rcptid_11",
+    "notes": {
+      "email": "[email protected]",
+      "plan": "basic",
+      "userId": "123"
+    },
+    "createdBy": "123",
+    "status": "paid",
+    "payment_id": "pay_PZJlzNEt9bBjYk"
+  },
+  {
+    "order_id": "order_PZJoLjckXdZTwC",
+    "amount": 599900,
+    "currency": "INR",
+    "receipt": "order_rcptid_11",
+    "notes": {
+      "email": "[email protected]",
+      "plan": "basic",
+      "userId": "123"
+    },
+    "createdBy": "123",
+    "status": "paid",
+    "payment_id": "pay_PZJoe70qge5uh2"
+  },
+  {
+    "order_id": "order_PZLZqt7g9WQ7DD",
+    "amount": 599900,
+    "currency": "INR",
+    "receipt": "order_rcptid_11",
+    "notes": {
+      "email": "[email protected]",
+      "plan": "basic",
+      "userId": "123"
+    },
+    "createdBy": "123",
+    "status": "paid",
+    "payment_id": "pay_PZLZxl53ug33gY"
+  },
+  {
+    "order_id": "order_PZMCvJ79m7BQ3j",
+    "amount": 599900,
+    "currency": "INR",
+    "receipt": "order_rcptid_11",
+    "notes": {
+      "email": "[email protected]",
+      "plan": "basic",
+      "userId": "123"
+    },
+    "createdBy": "123"
+  },
+  {
+    "order_id": "order_PZMDrVOJQZnvbQ",
+    "amount": 599900,
+    "currency": "INR",
+    "receipt": "order_rcptid_11",
+    "notes": {
+      "email": "[email protected]",
+      "plan": "basic",
+      "userId": "123"
+    },
+    "createdBy": "123",
+    "status": "paid",
+    "payment_id": "pay_PZMDxJgvxQXpCb"
+  },
+  {
+    "order_id": "order_PZMEm186wbMYor",
+    "amount": 599900,
+    "currency": "INR",
+    "receipt": "order_rcptid_11",
+    "notes": {
+      "email": "[email protected]",
+      "plan": "basic",
+      "userId": "123"
+    },
+    "createdBy": "123",
+    "status": "paid",
+    "payment_id": "pay_PZMEqx81fXKEur"
+  },
+  {
+    "order_id": "order_PZMGVDBrg2s2VW",
+    "amount": 599900,
+    "currency": "INR",
+    "receipt": "order_rcptid_11",
+    "notes": {
+      "email": "[email protected]",
+      "plan": "basic",
+      "userId": "123"
+    },
+    "createdBy": "123"
+  },
+  {
+    "order_id": "order_PZMGxtUVo8eiRe",
+    "amount": 599900,
+    "currency": "INR",
+    "receipt": "order_rcptid_11",
+    "notes": {
+      "email": "[email protected]",
+      "plan": "basic",
+      "userId": "123"
+    },
+    "createdBy": "123",
+    "status": "paid",
+    "payment_id": "pay_PZMH2MybR2vKc6"
+  },
+  {
+    "order_id": "order_PZMINXLgtjZfcz",
+    "amount": 599900,
+    "currency": "INR",
+    "receipt": "order_rcptid_11",
+    "notes": {
+      "email": "[email protected]",
+      "plan": "basic",
+      "userId": "123"
+    },
+    "createdBy": "123",
+    "status": "paid",
+    "payment_id": "pay_PZMISQF1dkDlwp"
+  },
+  {
+    "order_id": "order_PZMKFCeDmWNJS3",
+    "amount": 599900,
+    "currency": "INR",
+    "receipt": "order_rcptid_11",
+    "notes": {
+      "email": "[email protected]",
+      "plan": "basic",
+      "userId": "123"
+    },
+    "createdBy": "123",
+    "status": "paid",
+    "payment_id": "pay_PZMKKZqOcuvBrS"
+  },
+  {
+    "order_id": "order_PZMRLqmrTybO88",
+    "amount": 599900,
+    "currency": "INR",
+    "receipt": "order_rcptid_11",
+    "notes": {
+      "email": "[email protected]",
+      "plan": "basic",
+      "userId": "123"
+    },
+    "createdBy": "123",
+    "status": "paid",
+    "payment_id": "pay_PZMRRhSm3DcYKh"
+  },
+  {
+    "order_id": "order_PZMTO2dWo12PC3",
+    "amount": 599900,
+    "currency": "INR",
+    "receipt": "order_rcptid_11",
+    "notes": {
+      "email": "[email protected]",
+      "plan": "basic",
+      "userId": "123"
+    },
+    "createdBy": "123",
+    "status": "paid",
+    "payment_id": "pay_PZMTTH9G99xCBs"
+  }
+]