feat: support for proxy server (#352)

Co-authored-by: Adrian Martin <adrian.martin@nbcuni.com>

.env-example

@@ -28,6 +28,8 @@ PAGE_BACKOFF_MIN=""
 PAGE_BACKOFF_MAX=""
 PAGE_SLEEP_MIN=""
 PAGE_SLEEP_MAX=""
+PROXY_ADDRESS=""
+PROXY_PORT=""
 SHOW_ONLY_BRANDS=""
 SHOW_ONLY_MODELS=""
 SHOW_ONLY_SERIES=""

README.md

@@ -95,6 +95,8 @@ Here is a list of variables that you can use to customize your newly copied `.en
 | `PAGE_BACKOFF_MAX` | Maximum backoff time between retrying requests for the same store when a forbidden response is received | Default: `3600000` |
 | `PAGE_SLEEP_MIN` | Minimum sleep time between queries of the same store | In milliseconds, default: `5000` |
 | `PAGE_SLEEP_MAX` | Maximum sleep time between queries of the same store | In milliseconds, default: `10000` |
+| `PROXY_ADDRESS` | IP Address or fqdn of proxy server |
+| `PROXY_PORT` | TCP Port number on which the proxy is listening for connections | Default: `80` |
 | `SCREENSHOT` | Capture screenshot of page if a card is found | Default: `true` |
 | `SHOW_ONLY_BRANDS` | Filter to show specified brands | Comma separated, e.g.: `evga,zotac` |
 | `SHOW_ONLY_MODELS` | Filter to show specified models | Comma separated, e.g.: `founders edition,rog strix` |

src/config.ts

@@ -133,6 +133,11 @@ const page = {
 	width: 1920
 };
 
+const proxy = {
+	address: envOrString(process.env.PROXY_ADDRESS, ''),
+	port: envOrNumber(process.env.PROXY_PORT, 80)
+};
+
 const store = {
 	country: envOrString(process.env.COUNTRY, 'usa'),
 	microCenterLocation: envOrString(process.env.MICROCENTER_LOCATION, 'web'),
@@ -148,5 +153,6 @@ export const Config = {
 	notifications,
 	nvidia,
 	page,
+	proxy,
 	store
 };

src/index.ts

@@ -36,6 +36,11 @@ async function main() {
 		args.push('--disable-setuid-sandbox');
 	}
 
+	// Add the address of the proxy server if defined
+	if (Config.proxy.address) {
+		args.push(`--proxy-server=http://${Config.proxy.address}:${Config.proxy.port}`);
+	}
+
 	const browser = await puppeteer.launch({
 		args,
 		defaultViewport: {