:sparkles: QRAuthenticator trait

composer.json

@@ -19,14 +19,13 @@
 	],
 	"require": {
 		"php": ">=7.0.3",
-		"chillerlan/php-traits": "1.1.*"
+		"chillerlan/php-traits": "1.1.*",
+		"chillerlan/php-authenticator": ">=2.0.0"
 	},
 	"require-dev": {
-		"chillerlan/php-googleauth": "1.1.*",
 		"phpunit/phpunit": "6.5.*"
 	},
 	"suggest": {
-		"chillerlan/php-googleauth": "*"
 	},
 	"autoload": {
 		"psr-4": {
@@ -36,7 +35,8 @@
 	"autoload-dev": {
 		"psr-4": {
 			"chillerlan\\QRCodePublic\\": "public/",
-			"chillerlan\\QRCodeTest\\": "tests/"
+			"chillerlan\\QRCodeTest\\": "tests/",
+			"chillerlan\\QRCodeExamples\\": "examples/"
 		}
 	}
 }

src/Traits/QRAuthenticator.php

@@ -0,0 +1,77 @@
+<?php
+/**
+ * Trait QRAuthenticator
+ *
+ * @filesource   QRAuthenticator.php
+ * @created      21.12.2017
+ * @package      chillerlan\QRCode\Traits
+ * @author       Smiley <smiley@chillerlan.net>
+ * @copyright    2017 Smiley
+ * @license      MIT
+ */
+
+namespace chillerlan\QRCode\Traits;
+
+use chillerlan\Authenticator\Authenticator;
+use chillerlan\QRCode\QRCode;
+
+/**
+ * Creates URI QR Codes for use with mmobile authenticators
+ */
+trait QRAuthenticator{
+
+	/**
+	 * @var \chillerlan\QRCode\QROptions
+	 */
+	protected $qrOptions;
+
+	/**
+	 * @var string
+	 */
+	protected $authenticatorSecret;
+
+	/**
+	 * @var int
+	 */
+	protected $authenticatorDigits = Authenticator::DEFAULT_DIGITS;
+
+	/**
+	 * @var int
+	 */
+	protected $authenticatorPeriod = Authenticator::DEFAULT_PERIOD;
+
+	/**
+	 * @var string
+	 */
+	protected $authenticatorMode   = Authenticator::DEFAULT_AUTH_MODE;
+
+	/**
+	 * @var string
+	 */
+	protected $authenticatorAlgo   = Authenticator::DEFAULT_HASH_ALGO;
+
+	/**
+	 * @param string $label
+	 * @param string $issuer
+	 *
+	 * @return mixed
+	 */
+	protected function getURIQRCode(string $label, string $issuer) {
+		$uri = $this->getAuthenticator()->setSecret($this->authenticatorSecret)->getUri($label, $issuer);
+
+		return (new QRCode($this->qrOptions))->render($uri);
+	}
+
+	/**
+	 * @return \chillerlan\Authenticator\Authenticator
+	 */
+	protected function getAuthenticator():Authenticator {
+		return (new Authenticator)
+			->setPeriod($this->authenticatorPeriod)
+			->setDigits($this->authenticatorDigits)
+			->setMode($this->authenticatorMode)
+			->setAlgorithm($this->authenticatorAlgo)
+		;
+	}
+
+}