1 files changed, 196 insertions, 0 deletions
diff --git a/vendor/spomky-labs/otphp/src/ParameterTrait.php b/vendor/spomky-labs/otphp/src/ParameterTrait.php
new file mode 100644
index 000000000..69fa774db
--- /dev/null
+++ b/vendor/spomky-labs/otphp/src/ParameterTrait.php
@@ -0,0 +1,196 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2019 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace OTPHP;
+
+use Assert\Assertion;
+use InvalidArgumentException;
+use ParagonIE\ConstantTime\Base32;
+use function Safe\sprintf;
+
+trait ParameterTrait
+{
+    /**
+     * @var array<string, mixed>
+     */
+    private $parameters = [];
+
+    /**
+     * @var string|null
+     */
+    private $issuer;
+
+    /**
+     * @var string|null
+     */
+    private $label;
+
+    /**
+     * @var bool
+     */
+    private $issuer_included_as_parameter = true;
+
+    /**
+     * @return array<string, mixed>
+     */
+    public function getParameters(): array
+    {
+        $parameters = $this->parameters;
+
+        if (null !== $this->getIssuer() && true === $this->isIssuerIncludedAsParameter()) {
+            $parameters['issuer'] = $this->getIssuer();
+        }
+
+        return $parameters;
+    }
+
+    public function getSecret(): string
+    {
+        return $this->getParameter('secret');
+    }
+
+    private function setSecret(?string $secret): void
+    {
+        $this->setParameter('secret', $secret);
+    }
+
+    public function getLabel(): ?string
+    {
+        return $this->label;
+    }
+
+    public function setLabel(string $label): void
+    {
+        $this->setParameter('label', $label);
+    }
+
+    public function getIssuer(): ?string
+    {
+        return $this->issuer;
+    }
+
+    public function setIssuer(string $issuer): void
+    {
+        $this->setParameter('issuer', $issuer);
+    }
+
+    public function isIssuerIncludedAsParameter(): bool
+    {
+        return $this->issuer_included_as_parameter;
+    }
+
+    public function setIssuerIncludedAsParameter(bool $issuer_included_as_parameter): void
+    {
+        $this->issuer_included_as_parameter = $issuer_included_as_parameter;
+    }
+
+    public function getDigits(): int
+    {
+        return $this->getParameter('digits');
+    }
+
+    private function setDigits(int $digits): void
+    {
+        $this->setParameter('digits', $digits);
+    }
+
+    public function getDigest(): string
+    {
+        return $this->getParameter('algorithm');
+    }
+
+    private function setDigest(string $digest): void
+    {
+        $this->setParameter('algorithm', $digest);
+    }
+
+    public function hasParameter(string $parameter): bool
+    {
+        return \array_key_exists($parameter, $this->parameters);
+    }
+
+    public function getParameter(string $parameter)
+    {
+        if ($this->hasParameter($parameter)) {
+            return $this->getParameters()[$parameter];
+        }
+
+        throw new InvalidArgumentException(sprintf('Parameter "%s" does not exist', $parameter));
+    }
+
+    public function setParameter(string $parameter, $value): void
+    {
+        $map = $this->getParameterMap();
+
+        if (true === \array_key_exists($parameter, $map)) {
+            $callback = $map[$parameter];
+            $value = $callback($value);
+        }
+
+        if (property_exists($this, $parameter)) {
+            $this->$parameter = $value;
+        } else {
+            $this->parameters[$parameter] = $value;
+        }
+    }
+
+    /**
+     * @return array<string, mixed>
+     */
+    protected function getParameterMap(): array
+    {
+        return [
+            'label' => function ($value) {
+                Assertion::false($this->hasColon($value), 'Label must not contain a colon.');
+
+                return $value;
+            },
+            'secret' => function ($value): string {
+                if (null === $value) {
+                    $value = Base32::encodeUpper(random_bytes(64));
+                }
+                $value = trim(mb_strtoupper($value), '=');
+
+                return $value;
+            },
+            'algorithm' => function ($value): string {
+                $value = mb_strtolower($value);
+                Assertion::inArray($value, hash_algos(), sprintf('The "%s" digest is not supported.', $value));
+
+                return $value;
+            },
+            'digits' => function ($value): int {
+                Assertion::greaterThan($value, 0, 'Digits must be at least 1.');
+
+                return (int) $value;
+            },
+            'issuer' => function ($value) {
+                Assertion::false($this->hasColon($value), 'Issuer must not contain a colon.');
+
+                return $value;
+            },
+        ];
+    }
+
+    private function hasColon(string $value): bool
+    {
+        $colons = [':', '%3A', '%3a'];
+        foreach ($colons as $colon) {
+            if (false !== mb_strpos($value, $colon)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}