installed plugin Infinite Uploads version 2.0.8

wp-content/plugins/infinite-uploads/vendor/Aws3/Aws/S3/RegionalEndpoint/Configuration.php

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+<?php
+
+namespace UglyRobot\Infinite_Uploads\Aws\S3\RegionalEndpoint;
+
+class Configuration implements \UglyRobot\Infinite_Uploads\Aws\S3\RegionalEndpoint\ConfigurationInterface
+{
+    private $endpointsType;
+    public function __construct($endpointsType)
+    {
+        $this->endpointsType = strtolower($endpointsType);
+        if (!in_array($this->endpointsType, ['legacy', 'regional'])) {
+            throw new \InvalidArgumentException("Configuration parameter must either be 'legacy' or 'regional'.");
+        }
+    }
+    /**
+     * {@inheritdoc}
+     */
+    public function getEndpointsType()
+    {
+        return $this->endpointsType;
+    }
+    /**
+     * {@inheritdoc}
+     */
+    public function toArray()
+    {
+        return ['endpoints_type' => $this->getEndpointsType()];
+    }
+}

wp-content/plugins/infinite-uploads/vendor/Aws3/Aws/S3/RegionalEndpoint/ConfigurationInterface.php

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+<?php
+
+namespace UglyRobot\Infinite_Uploads\Aws\S3\RegionalEndpoint;
+
+/**
+ * Provides access to S3 regional endpoints configuration options: endpoints_type
+ */
+interface ConfigurationInterface
+{
+    /**
+     * Returns the endpoints type
+     *
+     * @return string
+     */
+    public function getEndpointsType();
+    /**
+     * Returns the configuration as an associative array
+     *
+     * @return array
+     */
+    public function toArray();
+}

wp-content/plugins/infinite-uploads/vendor/Aws3/Aws/S3/RegionalEndpoint/ConfigurationProvider.php

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+<?php
+
+namespace UglyRobot\Infinite_Uploads\Aws\S3\RegionalEndpoint;
+
+use UglyRobot\Infinite_Uploads\Aws\AbstractConfigurationProvider;
+use UglyRobot\Infinite_Uploads\Aws\CacheInterface;
+use UglyRobot\Infinite_Uploads\Aws\ConfigurationProviderInterface;
+use UglyRobot\Infinite_Uploads\Aws\S3\RegionalEndpoint\Exception\ConfigurationException;
+use UglyRobot\Infinite_Uploads\GuzzleHttp\Promise;
+/**
+ * A configuration provider is a function that returns a promise that is
+ * fulfilled with a {@see \Aws\S3\RegionalEndpoint\ConfigurationInterface}
+ * or rejected with an {@see \Aws\S3\RegionalEndpoint\Exception\ConfigurationException}.
+ *
+ * <code>
+ * use Aws\S3\RegionalEndpoint\ConfigurationProvider;
+ * $provider = ConfigurationProvider::defaultProvider();
+ * // Returns a ConfigurationInterface or throws.
+ * $config = $provider()->wait();
+ * </code>
+ *
+ * Configuration providers can be composed to create configuration using
+ * conditional logic that can create different configurations in different
+ * environments. You can compose multiple providers into a single provider using
+ * {@see \Aws\S3\RegionalEndpoint\ConfigurationProvider::chain}. This function
+ * accepts providers as variadic arguments and returns a new function that will
+ * invoke each provider until a successful configuration is returned.
+ *
+ * <code>
+ * // First try an INI file at this location.
+ * $a = ConfigurationProvider::ini(null, '/path/to/file.ini');
+ * // Then try an INI file at this location.
+ * $b = ConfigurationProvider::ini(null, '/path/to/other-file.ini');
+ * // Then try loading from environment variables.
+ * $c = ConfigurationProvider::env();
+ * // Combine the three providers together.
+ * $composed = ConfigurationProvider::chain($a, $b, $c);
+ * // Returns a promise that is fulfilled with a configuration or throws.
+ * $promise = $composed();
+ * // Wait on the configuration to resolve.
+ * $config = $promise->wait();
+ * </code>
+ */
+class ConfigurationProvider extends \UglyRobot\Infinite_Uploads\Aws\AbstractConfigurationProvider implements \UglyRobot\Infinite_Uploads\Aws\ConfigurationProviderInterface
+{
+    const ENV_ENDPOINTS_TYPE = 'AWS_S3_US_EAST_1_REGIONAL_ENDPOINT';
+    const INI_ENDPOINTS_TYPE = 's3_us_east_1_regional_endpoint';
+    const DEFAULT_ENDPOINTS_TYPE = 'legacy';
+    public static $cacheKey = 'aws_s3_us_east_1_regional_endpoint_config';
+    protected static $interfaceClass = \UglyRobot\Infinite_Uploads\Aws\S3\RegionalEndpoint\ConfigurationInterface::class;
+    protected static $exceptionClass = \UglyRobot\Infinite_Uploads\Aws\S3\RegionalEndpoint\Exception\ConfigurationException::class;
+    /**
+     * Create a default config provider that first checks for environment
+     * variables, then checks for a specified profile in the environment-defined
+     * config file location (env variable is 'AWS_CONFIG_FILE', file location
+     * defaults to ~/.aws/config), then checks for the "default" profile in the
+     * environment-defined config file location, and failing those uses a default
+     * fallback set of configuration options.
+     *
+     * This provider is automatically wrapped in a memoize function that caches
+     * previously provided config options.
+     *
+     * @param array $config
+     *
+     * @return callable
+     */
+    public static function defaultProvider(array $config = [])
+    {
+        $configProviders = [self::env()];
+        if (!isset($config['use_aws_shared_config_files']) || $config['use_aws_shared_config_files'] != false) {
+            $configProviders[] = self::ini();
+        }
+        $configProviders[] = self::fallback();
+        $memo = self::memoize(call_user_func_array('self::chain', $configProviders));
+        if (isset($config['s3_us_east_1_regional_endpoint']) && $config['s3_us_east_1_regional_endpoint'] instanceof CacheInterface) {
+            return self::cache($memo, $config['s3_us_east_1_regional_endpoint'], self::$cacheKey);
+        }
+        return $memo;
+    }
+    public static function env()
+    {
+        return function () {
+            // Use config from environment variables, if available
+            $endpointsType = getenv(self::ENV_ENDPOINTS_TYPE);
+            if (!empty($endpointsType)) {
+                return \UglyRobot\Infinite_Uploads\GuzzleHttp\Promise\promise_for(new \UglyRobot\Infinite_Uploads\Aws\S3\RegionalEndpoint\Configuration($endpointsType));
+            }
+            return self::reject('Could not find environment variable config' . ' in ' . self::ENV_ENDPOINTS_TYPE);
+        };
+    }
+    /**
+     * Config provider that creates config using a config file whose location
+     * is specified by an environment variable 'AWS_CONFIG_FILE', defaulting to
+     * ~/.aws/config if not specified
+     *
+     * @param string|null $profile  Profile to use. If not specified will use
+     *                              the "default" profile.
+     * @param string|null $filename If provided, uses a custom filename rather
+     *                              than looking in the default directory.
+     *
+     * @return callable
+     */
+    public static function ini($profile = null, $filename = null)
+    {
+        $filename = $filename ?: self::getDefaultConfigFilename();
+        $profile = $profile ?: (getenv(self::ENV_PROFILE) ?: 'default');
+        return function () use($profile, $filename) {
+            if (!is_readable($filename)) {
+                return self::reject("Cannot read configuration from {$filename}");
+            }
+            $data = \UglyRobot\Infinite_Uploads\Aws\parse_ini_file($filename, true);
+            if ($data === false) {
+                return self::reject("Invalid config file: {$filename}");
+            }
+            if (!isset($data[$profile])) {
+                return self::reject("'{$profile}' not found in config file");
+            }
+            if (!isset($data[$profile][self::INI_ENDPOINTS_TYPE])) {
+                return self::reject("Required S3 regional endpoint config values \n                    not present in INI profile '{$profile}' ({$filename})");
+            }
+            return \UglyRobot\Infinite_Uploads\GuzzleHttp\Promise\promise_for(new \UglyRobot\Infinite_Uploads\Aws\S3\RegionalEndpoint\Configuration($data[$profile][self::INI_ENDPOINTS_TYPE]));
+        };
+    }
+    /**
+     * Fallback config options when other sources are not set.
+     *
+     * @return callable
+     */
+    public static function fallback()
+    {
+        return function () {
+            return \UglyRobot\Infinite_Uploads\GuzzleHttp\Promise\promise_for(new \UglyRobot\Infinite_Uploads\Aws\S3\RegionalEndpoint\Configuration(self::DEFAULT_ENDPOINTS_TYPE));
+        };
+    }
+    /**
+     * Unwraps a configuration object in whatever valid form it is in,
+     * always returning a ConfigurationInterface object.
+     *
+     * @param  mixed $config
+     * @return ConfigurationInterface
+     * @throws \InvalidArgumentException
+     */
+    public static function unwrap($config)
+    {
+        if (is_callable($config)) {
+            $config = $config();
+        }
+        if ($config instanceof Promise\PromiseInterface) {
+            $config = $config->wait();
+        }
+        if ($config instanceof ConfigurationInterface) {
+            return $config;
+        }
+        if (is_string($config)) {
+            return new \UglyRobot\Infinite_Uploads\Aws\S3\RegionalEndpoint\Configuration($config);
+        }
+        if (is_array($config) && isset($config['endpoints_type'])) {
+            return new \UglyRobot\Infinite_Uploads\Aws\S3\RegionalEndpoint\Configuration($config['endpoints_type']);
+        }
+        throw new \InvalidArgumentException('Not a valid S3 regional endpoint ' . 'configuration argument.');
+    }
+}

wp-content/plugins/infinite-uploads/vendor/Aws3/Aws/S3/RegionalEndpoint/Exception/ConfigurationException.php

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+<?php
+
+namespace UglyRobot\Infinite_Uploads\Aws\S3\RegionalEndpoint\Exception;
+
+use UglyRobot\Infinite_Uploads\Aws\HasMonitoringEventsTrait;
+use UglyRobot\Infinite_Uploads\Aws\MonitoringEventsInterface;
+/**
+ * Represents an error interacting with configuration for sts regional endpoints
+ */
+class ConfigurationException extends \RuntimeException implements \UglyRobot\Infinite_Uploads\Aws\MonitoringEventsInterface
+{
+    use HasMonitoringEventsTrait;
+}