1 files changed, 85 insertions, 0 deletions
diff --git a/vendor/spomky-labs/otphp/src/Factory.php b/vendor/spomky-labs/otphp/src/Factory.php
new file mode 100644
index 000000000..d5c60cc34
--- /dev/null
+++ b/vendor/spomky-labs/otphp/src/Factory.php
@@ -0,0 +1,85 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OTPHP;
+
+use function count;
+use InvalidArgumentException;
+use Throwable;
+
+/**
+ * This class is used to load OTP object from a provisioning Uri.
+ *
+ * @see \OTPHP\Test\FactoryTest
+ */
+final class Factory implements FactoryInterface
+{
+    public static function loadFromProvisioningUri(string $uri): OTPInterface
+    {
+        try {
+            $parsed_url = Url::fromString($uri);
+            $parsed_url->getScheme() === 'otpauth' || throw new InvalidArgumentException('Invalid scheme.');
+        } catch (Throwable $throwable) {
+            throw new InvalidArgumentException('Not a valid OTP provisioning URI', $throwable->getCode(), $throwable);
+        }
+
+        $otp = self::createOTP($parsed_url);
+
+        self::populateOTP($otp, $parsed_url);
+
+        return $otp;
+    }
+
+    private static function populateParameters(OTPInterface $otp, Url $data): void
+    {
+        foreach ($data->getQuery() as $key => $value) {
+            $otp->setParameter($key, $value);
+        }
+    }
+
+    private static function populateOTP(OTPInterface $otp, Url $data): void
+    {
+        self::populateParameters($otp, $data);
+        $result = explode(':', rawurldecode(mb_substr($data->getPath(), 1)));
+
+        if (count($result) < 2) {
+            $otp->setIssuerIncludedAsParameter(false);
+
+            return;
+        }
+
+        if ($otp->getIssuer() !== null) {
+            $result[0] === $otp->getIssuer() || throw new InvalidArgumentException(
+                'Invalid OTP: invalid issuer in parameter'
+            );
+            $otp->setIssuerIncludedAsParameter(true);
+        }
+        $otp->setIssuer($result[0]);
+    }
+
+    private static function createOTP(Url $parsed_url): OTPInterface
+    {
+        switch ($parsed_url->getHost()) {
+            case 'totp':
+                $totp = TOTP::createFromSecret($parsed_url->getSecret());
+                $totp->setLabel(self::getLabel($parsed_url->getPath()));
+
+                return $totp;
+            case 'hotp':
+                $hotp = HOTP::createFromSecret($parsed_url->getSecret());
+                $hotp->setLabel(self::getLabel($parsed_url->getPath()));
+
+                return $hotp;
+            default:
+                throw new InvalidArgumentException(sprintf('Unsupported "%s" OTP type', $parsed_url->getHost()));
+        }
+    }
+
+    private static function getLabel(string $data): string
+    {
+        $result = explode(':', rawurldecode(mb_substr($data, 1)));
+
+        return count($result) === 2 ? $result[1] : $result[0];
+    }
+}