From d3a7a97c78186111af33dc6351766762a8215b06 Mon Sep 17 00:00:00 2001
From: mmcwilliams <hi@mmcwilliams.com>
Date: Sun, 31 Dec 2017 20:55:54 -0500
Subject: [PATCH] Wifi module test. Use wpa_passphrase to generate a safe
 password hash

---
 lib/wifi/index.js | 24 ++++++++++++++++++++++++
 tests/wifi.js     |  4 ++++
 2 files changed, 28 insertions(+)
 create mode 100644 tests/wifi.js

diff --git a/lib/wifi/index.js b/lib/wifi/index.js
index b07d74a..7040341 100644
--- a/lib/wifi/index.js
+++ b/lib/wifi/index.js
@@ -110,6 +110,30 @@ class Wifi {
 		//this._callback(null, { ssid : ssid, pwd : pwd.length })
 		_cb = () => {}
 	}
+	/**
+	 * (internal function) Create sanitized wpa_supplicant.conf stanza for
+	 * configuring wifi without storing plaintext passwords
+	 * @example
+	 * network={
+	 *	 	ssid="YOUR_SSID"
+	 *		#psk="YOUR_PASSWORD"
+	 *		psk=6a24edf1592aec4465271b7dcd204601b6e78df3186ce1a62a31f40ae9630702
+	 *	}
+	 *
+	 * @param {string} 	ssid 		SSID of wifi network
+	 * @param {string}
+	 */
+	_createPSK (ssid, pwd, callback) {
+		const cmd = `wpa_passphrase "${ssid}" "${pwd}" | grep "psk="`
+		let output
+		exec(cmd, (err, stdout, stderr) => {
+			if (err) {
+				return callback(err)
+			}
+			output = stdout.replace('#psk=', '').split('psk=')[1]
+			callback(null, output.trim())
+		})
+	}
 	/**
 	* Function which initializes the processes for adding a wifi access point authentication
 	*
diff --git a/tests/wifi.js b/tests/wifi.js
new file mode 100644
index 0000000..d92fb8e
--- /dev/null
+++ b/tests/wifi.js
@@ -0,0 +1,4 @@
+'use strict'
+
+const log = require('../lib/log')('wifi-tests')
+const wifi = require('../lib/wifi')