Initial commit

.gitignore

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+package-lock.json
+node_modules
+config.json

config.example.json

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+{
+    "username":"",
+    "password":"",
+    "cv2":"",
+    "item_page":"",
+    "refresh_time":"60",
+    "refresh_tries": "60",
+    "price_limit":"925",
+    "auto_submit":"true"
+}

newegg-purchaser.js

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+#!/usr/bin/env node
+
+const puppeteer = require("puppeteer"),
+    config = require("./config.json");
+
+function log(message) {
+    console.log(`${new Date().toString().replace(/ GMT.*/, "")}: ${message}`);
+}
+
+async function clickButtonWithText(page, text) {
+    const [ button ] = await page.$x(`//button[contains(., '${text}')]`);
+
+    if (typeof button !== "undefined") {
+        await button.click();
+        return true;
+    } else {
+        return false;
+    }
+}
+
+async function run() {
+    const browser = await puppeteer.launch({
+        headless: false,
+        product: "firefox",
+        defaultViewport: { width: 1440, height: 724 }
+    });
+
+    const page = await browser.newPage(),
+        maxVariance = 8;
+
+    let success = true,
+        randomVariance = 0,
+        currentTry = 1;
+
+    log("Started bot");
+
+    while (true) {
+        await page.goto("https://secure.newegg.ca/NewMyAccount/AccountLogin.aspx?nextpage=https%3a%2f%2fwww.newegg.ca%2f", { waitUntil: "load" });
+
+        if (page.url().includes("signin")) {
+            try {
+                await page.waitForSelector("button.btn.btn-orange", { timeout: 2500 });
+                await page.type("#labeled-input-signEmail", config.username);
+                await page.click("button.btn.btn-orange");
+                await page.waitForTimeout(1500);
+
+                try {
+                    await page.waitForSelector("#labeled-input-password", { timeout: 2500 });
+                    await page.waitForSelector("button.btn.btn-orange");
+                    await page.type("#labeled-input-password", config.password);
+                    await page.click("button.btn.btn-orange");
+                    log("Successfully logged in");
+                } catch (err) {
+                    log("Fail: Manual authorization code required by Newegg. This should only happen once.");
+                    success = false;
+                }
+            } catch (err) {
+                log("Fail: Login form missing");
+                success = false;
+            }
+
+            break;
+        } else {
+            await page.waitForTimeout(1000);
+        }
+    }
+
+    if (success) {
+        await page.waitForTimeout(3500);
+
+        while (true) {
+            await page.goto(`https://www.newegg.ca/${config.item_page}`, { waitUntil: "load" });
+
+            if (await clickButtonWithText(page, "Add to cart")) {
+                log("Adding the product the to cart");
+                await page.waitForSelector(".modal-content", { timeout: 5000 });
+                await page.waitForTimeout(1000);
+
+                if (await clickButtonWithText(page, "No, thanks")) {
+                    log("Rejected product coverage option");
+                }
+
+                try {
+                    await page.waitForSelector(".message-title", { timeout: 5000 });
+                    log("Successfully added the item to the cart!");
+                } catch (error) {
+                    log("Fail: Added to cart but no success window appeared");
+                    success = false;
+                }
+
+                break;
+            } else if (currentTry > config.refresh_tries) {
+                log(`Fail: Maximum number of refresh tries reached (${config.refresh_tries})`);
+                success = false;
+                break;
+            } else {
+                randomVariance = Math.floor(Math.random() * maxVariance);
+                log(`(${currentTry}) Product currently unavailable, retrying in ${Number(config.refresh_time) + randomVariance} seconds...`);
+                currentTry++;
+                await page.waitForTimeout((Number(config.refresh_time) + randomVariance) * 1000);
+            }
+        }
+    }
+
+    if (success) {
+        while (true) {
+            log("Navigating to secure checkout");
+            await page.goto("https://secure.newegg.ca/shop/cart", { waitUntil: "load" });
+
+            const totalPriceElement = await page.$(".summary-content-total span strong"),
+                totalPrice = await page.evaluate(totalPriceElement => totalPriceElement.textContent, totalPriceElement);
+
+            if (typeof totalPrice === "undefined" || totalPrice === "" || totalPrice === null) {
+                log("Fail: Unable to determine total price");
+                break;
+            }
+
+            if (Number(totalPrice) > config.price_limit) {
+                log(`Fail: Total price of "${totalPrice}" exceeds price limit`);
+                break;
+            }
+
+            if (await clickButtonWithText(page, "Secure Checkout")) {
+                await page.waitForTimeout(3000);
+
+                if (await clickButtonWithText(page, "Continue to payment")) {
+                    log("Continuing to payment...");
+                    await page.waitForSelector("[placeholder=\"CVV2\"]", { timeout: 2500 });
+                    await page.waitForTimeout(1000);
+                    log("Filling out the cv2...");
+                    await page.type("[placeholder=\"CVV2\"]", config.cv2);
+
+                    if (await clickButtonWithText(page, "Review your order")) {
+                        log("Reviewing order...");
+
+                        if (config.auto_submit === "true") {
+                            if (await clickButtonWithText(page, "Place Order")) {
+                                log("Order placed!!!");
+                            } else {
+                                log("Fail: Unable to press the Place Order button");
+                            }
+                        } else {
+                            log("The auto_submit config value is set to false");
+                        }
+                    } else {
+                        log("Fail: Unable to click the 'Review your order' button");
+                    }
+
+                    break;
+                } else {
+                    await page.waitForTimeout(1000);
+                }
+            } else {
+                await page.waitForTimeout(1000);
+            }
+        }
+    }
+
+    if (!success) {
+        await browser.close();
+    }
+}
+
+run();

readme.md

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+# Setup
+
+## Install Dependencies
+
+```
+PUPPETEER_PRODUCT=firefox npm install puppeteer
+```
+
+## Setup Configuration
+
+1. `cp config.example.json config.json`
+2. Edit `config.json`:
+  * `username`: newegg username
+  * `password`: newegg password
+  * `cv2`: code on the back of your credit card
+  * `item_page`: the part of the URL (starting with a slash) for the product after `https://www.newegg.ca` (eg: `/amd-ryzen-9-5900x/p/N82E16819113664`)
+  * `refresh_time`: amount of time between page refreshes (with a random variance)
+  * `refresh_tries`: the number of times the script will check before quitting (to avoid getting banned)
+  * `auto_submit`: set this to false if you want to do a test run (everything up to the actual purchase)
+  * `price_limit`: set this to a number you don't want your cart total to exceed before checking out
+
+## Credits
+
+Inspired by https://github.com/Ataraksia/NeweggBot