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admin/phpMyAdmin/vendor/spomky-labs/base64url/LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2014-2018 Spomky-Labs
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+

admin/phpMyAdmin/vendor/spomky-labs/base64url/composer.json

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+{
+    "name": "spomky-labs/base64url",
+    "description": "Base 64 URL Safe Encoding/Decoding PHP Library",
+    "type": "library",
+    "license": "MIT",
+    "keywords": ["Base64", "URL", "Safe", "RFC4648"],
+    "homepage": "https://github.com/Spomky-Labs/base64url",
+    "authors": [
+        {
+            "name": "Florent Morselli",
+            "homepage": "https://github.com/Spomky-Labs/base64url/contributors"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "Base64Url\\":  "src/"
+        }
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "Base64Url\\Test\\":  "tests/"
+        }
+    },
+    "require": {
+        "php": ">=7.1"
+    },
+    "require-dev": {
+        "phpstan/extension-installer": "^1.0",
+        "phpstan/phpstan": "^0.11|^0.12",
+        "phpstan/phpstan-beberlei-assert": "^0.11|^0.12",
+        "phpstan/phpstan-deprecation-rules": "^0.11|^0.12",
+        "phpstan/phpstan-phpunit": "^0.11|^0.12",
+        "phpstan/phpstan-strict-rules": "^0.11|^0.12"
+    }
+}

admin/phpMyAdmin/vendor/spomky-labs/base64url/src/Base64Url.php

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+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2020 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Base64Url;
+
+use function base64_decode;
+use function base64_encode;
+use InvalidArgumentException;
+use function rtrim;
+use function strtr;
+
+/**
+ * Encode and decode data into Base64 Url Safe.
+ */
+final class Base64Url
+{
+    /**
+     * @param string $data       The data to encode
+     * @param bool   $usePadding If true, the "=" padding at end of the encoded value are kept, else it is removed
+     *
+     * @return string The data encoded
+     */
+    public static function encode(string $data, bool $usePadding = false): string
+    {
+        $encoded = strtr(base64_encode($data), '+/', '-_');
+
+        return true === $usePadding ? $encoded : rtrim($encoded, '=');
+    }
+
+    /**
+     * @param string $data The data to decode
+     *
+     * @throws InvalidArgumentException
+     *
+     * @return string The data decoded
+     */
+    public static function decode(string $data): string
+    {
+        $decoded = base64_decode(strtr($data, '-_', '+/'), true);
+        if (false === $decoded) {
+            throw new InvalidArgumentException('Invalid data provided');
+        }
+
+        return $decoded;
+    }
+}