1 files changed, 93 insertions, 0 deletions
diff --git a/vendor/sonata-project/google-authenticator/src/GoogleQrUrl.php b/vendor/sonata-project/google-authenticator/src/GoogleQrUrl.php
new file mode 100644
index 0000000..413d226
--- /dev/null
+++ b/vendor/sonata-project/google-authenticator/src/GoogleQrUrl.php
@@ -0,0 +1,93 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the Sonata Project package.
+ *
+ * (c) Thomas Rabaix <thomas.rabaix@sonata-project.org>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Sonata\GoogleAuthenticator;
+
+/**
+ * Responsible for QR image url generation.
+ *
+ * @see http://goqr.me/api/
+ * @see http://goqr.me/api/doc/
+ * @see https://github.com/google/google-authenticator/wiki/Key-Uri-Format
+ *
+ * @author Iltar van der Berg <kjarli@gmail.com>
+ */
+final class GoogleQrUrl
+{
+    /**
+     * Private by design.
+     */
+    private function __construct()
+    {
+    }
+
+    /**
+     * Generates a URL that is used to show a QR code.
+     *
+     * Account names may not contain a double colon (:). Valid account name
+     * examples:
+     *  - "John.Doe@gmail.com"
+     *  - "John Doe"
+     *  - "John_Doe_976"
+     *
+     * The Issuer may not contain a double colon (:). The issuer is recommended
+     * to pass along. If used, it will also be appended before the accountName.
+     *
+     * The previous examples with the issuer "Acme inc" would result in label:
+     *  - "Acme inc:John.Doe@gmail.com"
+     *  - "Acme inc:John Doe"
+     *  - "Acme inc:John_Doe_976"
+     *
+     * The contents of the label, issuer and secret will be encoded to generate
+     * a valid URL.
+     *
+     * @param string      $accountName The account name to show and identify
+     * @param string      $secret      The secret is the generated secret unique to that user
+     * @param string|null $issuer      Where you log in to
+     * @param int         $size        Image size in pixels, 200 will make it 200x200
+     */
+    public static function generate(string $accountName, string $secret, ?string $issuer = null, int $size = 200): string
+    {
+        if ('' === $accountName || false !== strpos($accountName, ':')) {
+            throw RuntimeException::InvalidAccountName($accountName);
+        }
+
+        if ('' === $secret) {
+            throw RuntimeException::InvalidSecret();
+        }
+
+        $label = $accountName;
+        $otpauthString = 'otpauth://totp/%s?secret=%s';
+
+        if (null !== $issuer) {
+            if ('' === $issuer || false !== strpos($issuer, ':')) {
+                throw RuntimeException::InvalidIssuer($issuer);
+            }
+
+            // use both the issuer parameter and label prefix as recommended by Google for BC reasons
+            $label = $issuer.':'.$label;
+            $otpauthString .= '&issuer=%s';
+        }
+
+        $otpauthString = rawurlencode(sprintf($otpauthString, $label, $secret, $issuer));
+
+        return sprintf(
+            'https://api.qrserver.com/v1/create-qr-code/?size=%1$dx%1$d&data=%2$s&ecc=M',
+            $size,
+            $otpauthString
+        );
+    }
+}
+
+// NEXT_MAJOR: Remove class alias
+class_alias('Sonata\GoogleAuthenticator\GoogleQrUrl', 'Google\Authenticator\GoogleQrUrl', false);