* switch to composer for qrcode and otp dependencies

* move most OTP-related stuff into userhelper
* remove old phpqrcode and otphp libraries

12 files changed, 1817 insertions, 0 deletions

diff --git a/vendor/composer/ClassLoader.php b/vendor/composer/ClassLoader.php
new file mode 100644
index 000000000..247294d66
--- /dev/null
+++ b/vendor/composer/ClassLoader.php
@@ -0,0 +1,479 @@
+<?php
+
+/*
+ * This file is part of Composer.
+ *
+ * (c) Nils Adermann <[email protected]>
+ *     Jordi Boggiano <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Composer\Autoload;
+
+/**
+ * ClassLoader implements a PSR-0, PSR-4 and classmap class loader.
+ *
+ *     $loader = new \Composer\Autoload\ClassLoader();
+ *
+ *     // register classes with namespaces
+ *     $loader->add('Symfony\Component', __DIR__.'/component');
+ *     $loader->add('Symfony',           __DIR__.'/framework');
+ *
+ *     // activate the autoloader
+ *     $loader->register();
+ *
+ *     // to enable searching the include path (eg. for PEAR packages)
+ *     $loader->setUseIncludePath(true);
+ *
+ * In this example, if you try to use a class in the Symfony\Component
+ * namespace or one of its children (Symfony\Component\Console for instance),
+ * the autoloader will first look for the class under the component/
+ * directory, and it will then fallback to the framework/ directory if not
+ * found before giving up.
+ *
+ * This class is loosely based on the Symfony UniversalClassLoader.
+ *
+ * @author Fabien Potencier <[email protected]>
+ * @author Jordi Boggiano <[email protected]>
+ * @see    https://www.php-fig.org/psr/psr-0/
+ * @see    https://www.php-fig.org/psr/psr-4/
+ */
+class ClassLoader
+{
+    private $vendorDir;
+
+    // PSR-4
+    private $prefixLengthsPsr4 = array();
+    private $prefixDirsPsr4 = array();
+    private $fallbackDirsPsr4 = array();
+
+    // PSR-0
+    private $prefixesPsr0 = array();
+    private $fallbackDirsPsr0 = array();
+
+    private $useIncludePath = false;
+    private $classMap = array();
+    private $classMapAuthoritative = false;
+    private $missingClasses = array();
+    private $apcuPrefix;
+
+    private static $registeredLoaders = array();
+
+    public function __construct($vendorDir = null)
+    {
+        $this->vendorDir = $vendorDir;
+    }
+
+    public function getPrefixes()
+    {
+        if (!empty($this->prefixesPsr0)) {
+            return call_user_func_array('array_merge', array_values($this->prefixesPsr0));
+        }
+
+        return array();
+    }
+
+    public function getPrefixesPsr4()
+    {
+        return $this->prefixDirsPsr4;
+    }
+
+    public function getFallbackDirs()
+    {
+        return $this->fallbackDirsPsr0;
+    }
+
+    public function getFallbackDirsPsr4()
+    {
+        return $this->fallbackDirsPsr4;
+    }
+
+    public function getClassMap()
+    {
+        return $this->classMap;
+    }
+
+    /**
+     * @param array $classMap Class to filename map
+     */
+    public function addClassMap(array $classMap)
+    {
+        if ($this->classMap) {
+            $this->classMap = array_merge($this->classMap, $classMap);
+        } else {
+            $this->classMap = $classMap;
+        }
+    }
+
+    /**
+     * Registers a set of PSR-0 directories for a given prefix, either
+     * appending or prepending to the ones previously set for this prefix.
+     *
+     * @param string       $prefix  The prefix
+     * @param array|string $paths   The PSR-0 root directories
+     * @param bool         $prepend Whether to prepend the directories
+     */
+    public function add($prefix, $paths, $prepend = false)
+    {
+        if (!$prefix) {
+            if ($prepend) {
+                $this->fallbackDirsPsr0 = array_merge(
+                    (array) $paths,
+                    $this->fallbackDirsPsr0
+                );
+            } else {
+                $this->fallbackDirsPsr0 = array_merge(
+                    $this->fallbackDirsPsr0,
+                    (array) $paths
+                );
+            }
+
+            return;
+        }
+
+        $first = $prefix[0];
+        if (!isset($this->prefixesPsr0[$first][$prefix])) {
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
+
+            return;
+        }
+        if ($prepend) {
+            $this->prefixesPsr0[$first][$prefix] = array_merge(
+                (array) $paths,
+                $this->prefixesPsr0[$first][$prefix]
+            );
+        } else {
+            $this->prefixesPsr0[$first][$prefix] = array_merge(
+                $this->prefixesPsr0[$first][$prefix],
+                (array) $paths
+            );
+        }
+    }
+
+    /**
+     * Registers a set of PSR-4 directories for a given namespace, either
+     * appending or prepending to the ones previously set for this namespace.
+     *
+     * @param string       $prefix  The prefix/namespace, with trailing '\\'
+     * @param array|string $paths   The PSR-4 base directories
+     * @param bool         $prepend Whether to prepend the directories
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function addPsr4($prefix, $paths, $prepend = false)
+    {
+        if (!$prefix) {
+            // Register directories for the root namespace.
+            if ($prepend) {
+                $this->fallbackDirsPsr4 = array_merge(
+                    (array) $paths,
+                    $this->fallbackDirsPsr4
+                );
+            } else {
+                $this->fallbackDirsPsr4 = array_merge(
+                    $this->fallbackDirsPsr4,
+                    (array) $paths
+                );
+            }
+        } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
+            // Register directories for a new namespace.
+            $length = strlen($prefix);
+            if ('\\' !== $prefix[$length - 1]) {
+                throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
+            }
+            $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
+        } elseif ($prepend) {
+            // Prepend directories for an already registered namespace.
+            $this->prefixDirsPsr4[$prefix] = array_merge(
+                (array) $paths,
+                $this->prefixDirsPsr4[$prefix]
+            );
+        } else {
+            // Append directories for an already registered namespace.
+            $this->prefixDirsPsr4[$prefix] = array_merge(
+                $this->prefixDirsPsr4[$prefix],
+                (array) $paths
+            );
+        }
+    }
+
+    /**
+     * Registers a set of PSR-0 directories for a given prefix,
+     * replacing any others previously set for this prefix.
+     *
+     * @param string       $prefix The prefix
+     * @param array|string $paths  The PSR-0 base directories
+     */
+    public function set($prefix, $paths)
+    {
+        if (!$prefix) {
+            $this->fallbackDirsPsr0 = (array) $paths;
+        } else {
+            $this->prefixesPsr0[$prefix[0]][$prefix] = (array) $paths;
+        }
+    }
+
+    /**
+     * Registers a set of PSR-4 directories for a given namespace,
+     * replacing any others previously set for this namespace.
+     *
+     * @param string       $prefix The prefix/namespace, with trailing '\\'
+     * @param array|string $paths  The PSR-4 base directories
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function setPsr4($prefix, $paths)
+    {
+        if (!$prefix) {
+            $this->fallbackDirsPsr4 = (array) $paths;
+        } else {
+            $length = strlen($prefix);
+            if ('\\' !== $prefix[$length - 1]) {
+                throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
+            }
+            $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
+        }
+    }
+
+    /**
+     * Turns on searching the include path for class files.
+     *
+     * @param bool $useIncludePath
+     */
+    public function setUseIncludePath($useIncludePath)
+    {
+        $this->useIncludePath = $useIncludePath;
+    }
+
+    /**
+     * Can be used to check if the autoloader uses the include path to check
+     * for classes.
+     *
+     * @return bool
+     */
+    public function getUseIncludePath()
+    {
+        return $this->useIncludePath;
+    }
+
+    /**
+     * Turns off searching the prefix and fallback directories for classes
+     * that have not been registered with the class map.
+     *
+     * @param bool $classMapAuthoritative
+     */
+    public function setClassMapAuthoritative($classMapAuthoritative)
+    {
+        $this->classMapAuthoritative = $classMapAuthoritative;
+    }
+
+    /**
+     * Should class lookup fail if not found in the current class map?
+     *
+     * @return bool
+     */
+    public function isClassMapAuthoritative()
+    {
+        return $this->classMapAuthoritative;
+    }
+
+    /**
+     * APCu prefix to use to cache found/not-found classes, if the extension is enabled.
+     *
+     * @param string|null $apcuPrefix
+     */
+    public function setApcuPrefix($apcuPrefix)
+    {
+        $this->apcuPrefix = function_exists('apcu_fetch') && filter_var(ini_get('apc.enabled'), FILTER_VALIDATE_BOOLEAN) ? $apcuPrefix : null;
+    }
+
+    /**
+     * The APCu prefix in use, or null if APCu caching is not enabled.
+     *
+     * @return string|null
+     */
+    public function getApcuPrefix()
+    {
+        return $this->apcuPrefix;
+    }
+
+    /**
+     * Registers this instance as an autoloader.
+     *
+     * @param bool $prepend Whether to prepend the autoloader or not
+     */
+    public function register($prepend = false)
+    {
+        spl_autoload_register(array($this, 'loadClass'), true, $prepend);
+
+        if (null === $this->vendorDir) {
+            return;
+        }
+
+        if ($prepend) {
+            self::$registeredLoaders = array($this->vendorDir => $this) + self::$registeredLoaders;
+        } else {
+            unset(self::$registeredLoaders[$this->vendorDir]);
+            self::$registeredLoaders[$this->vendorDir] = $this;
+        }
+    }
+
+    /**
+     * Unregisters this instance as an autoloader.
+     */
+    public function unregister()
+    {
+        spl_autoload_unregister(array($this, 'loadClass'));
+
+        if (null !== $this->vendorDir) {
+            unset(self::$registeredLoaders[$this->vendorDir]);
+        }
+    }
+
+    /**
+     * Loads the given class or interface.
+     *
+     * @param  string    $class The name of the class
+     * @return bool|null True if loaded, null otherwise
+     */
+    public function loadClass($class)
+    {
+        if ($file = $this->findFile($class)) {
+            includeFile($file);
+
+            return true;
+        }
+    }
+
+    /**
+     * Finds the path to the file where the class is defined.
+     *
+     * @param string $class The name of the class
+     *
+     * @return string|false The path if found, false otherwise
+     */
+    public function findFile($class)
+    {
+        // class map lookup
+        if (isset($this->classMap[$class])) {
+            return $this->classMap[$class];
+        }
+        if ($this->classMapAuthoritative || isset($this->missingClasses[$class])) {
+            return false;
+        }
+        if (null !== $this->apcuPrefix) {
+            $file = apcu_fetch($this->apcuPrefix.$class, $hit);
+            if ($hit) {
+                return $file;
+            }
+        }
+
+        $file = $this->findFileWithExtension($class, '.php');
+
+        // Search for Hack files if we are running on HHVM
+        if (false === $file && defined('HHVM_VERSION')) {
+            $file = $this->findFileWithExtension($class, '.hh');
+        }
+
+        if (null !== $this->apcuPrefix) {
+            apcu_add($this->apcuPrefix.$class, $file);
+        }
+
+        if (false === $file) {
+            // Remember that this class does not exist.
+            $this->missingClasses[$class] = true;
+        }
+
+        return $file;
+    }
+
+    /**
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
+     *
+     * @return self[]
+     */
+    public static function getRegisteredLoaders()
+    {
+        return self::$registeredLoaders;
+    }
+
+    private function findFileWithExtension($class, $ext)
+    {
+        // PSR-4 lookup
+        $logicalPathPsr4 = strtr($class, '\\', DIRECTORY_SEPARATOR) . $ext;
+
+        $first = $class[0];
+        if (isset($this->prefixLengthsPsr4[$first])) {
+            $subPath = $class;
+            while (false !== $lastPos = strrpos($subPath, '\\')) {
+                $subPath = substr($subPath, 0, $lastPos);
+                $search = $subPath . '\\';
+                if (isset($this->prefixDirsPsr4[$search])) {
+                    $pathEnd = DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $lastPos + 1);
+                    foreach ($this->prefixDirsPsr4[$search] as $dir) {
+                        if (file_exists($file = $dir . $pathEnd)) {
+                            return $file;
+                        }
+                    }
+                }
+            }
+        }
+
+        // PSR-4 fallback dirs
+        foreach ($this->fallbackDirsPsr4 as $dir) {
+            if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr4)) {
+                return $file;
+            }
+        }
+
+        // PSR-0 lookup
+        if (false !== $pos = strrpos($class, '\\')) {
+            // namespaced class name
+            $logicalPathPsr0 = substr($logicalPathPsr4, 0, $pos + 1)
+                . strtr(substr($logicalPathPsr4, $pos + 1), '_', DIRECTORY_SEPARATOR);
+        } else {
+            // PEAR-like class name
+            $logicalPathPsr0 = strtr($class, '_', DIRECTORY_SEPARATOR) . $ext;
+        }
+
+        if (isset($this->prefixesPsr0[$first])) {
+            foreach ($this->prefixesPsr0[$first] as $prefix => $dirs) {
+                if (0 === strpos($class, $prefix)) {
+                    foreach ($dirs as $dir) {
+                        if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
+                            return $file;
+                        }
+                    }
+                }
+            }
+        }
+
+        // PSR-0 fallback dirs
+        foreach ($this->fallbackDirsPsr0 as $dir) {
+            if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
+                return $file;
+            }
+        }
+
+        // PSR-0 include paths.
+        if ($this->useIncludePath && $file = stream_resolve_include_path($logicalPathPsr0)) {
+            return $file;
+        }
+
+        return false;
+    }
+}
+
+/**
+ * Scope isolated include.
+ *
+ * Prevents access to $this/self from included files.
+ */
+function includeFile($file)
+{
+    include $file;
+}
diff --git a/vendor/composer/InstalledVersions.php b/vendor/composer/InstalledVersions.php
new file mode 100644
index 000000000..e23c30693
--- /dev/null
+++ b/vendor/composer/InstalledVersions.php
@@ -0,0 +1,337 @@
+<?php
+
+
+
+
+
+
+
+
+
+
+
+namespace Composer;
+
+use Composer\Autoload\ClassLoader;
+use Composer\Semver\VersionParser;
+
+
+
+
+
+
+class InstalledVersions
+{
+private static $installed = array (
+  'root' => 
+  array (
+    'pretty_version' => 'dev-master',
+    'version' => 'dev-master',
+    'aliases' => 
+    array (
+    ),
+    'reference' => 'bc4475b6698f5a74e475674aa7af43253c459892',
+    'name' => '__root__',
+  ),
+  'versions' => 
+  array (
+    '__root__' => 
+    array (
+      'pretty_version' => 'dev-master',
+      'version' => 'dev-master',
+      'aliases' => 
+      array (
+      ),
+      'reference' => 'bc4475b6698f5a74e475674aa7af43253c459892',
+    ),
+    'beberlei/assert' => 
+    array (
+      'pretty_version' => 'v3.2.7',
+      'version' => '3.2.7.0',
+      'aliases' => 
+      array (
+      ),
+      'reference' => 'd63a6943fc4fd1a2aedb65994e3548715105abcf',
+    ),
+    'chillerlan/php-qrcode' => 
+    array (
+      'pretty_version' => '3.4.0',
+      'version' => '3.4.0.0',
+      'aliases' => 
+      array (
+      ),
+      'reference' => 'd8bf297e6843a53aeaa8f3285ce04fc349d133d6',
+    ),
+    'chillerlan/php-settings-container' => 
+    array (
+      'pretty_version' => '1.2.1',
+      'version' => '1.2.1.0',
+      'aliases' => 
+      array (
+      ),
+      'reference' => 'b9b0431dffd74102ee92348a63b4c33fc8ba639b',
+    ),
+    'paragonie/constant_time_encoding' => 
+    array (
+      'pretty_version' => 'v2.4.0',
+      'version' => '2.4.0.0',
+      'aliases' => 
+      array (
+      ),
+      'reference' => 'f34c2b11eb9d2c9318e13540a1dbc2a3afbd939c',
+    ),
+    'spomky-labs/otphp' => 
+    array (
+      'pretty_version' => 'v10.0.1',
+      'version' => '10.0.1.0',
+      'aliases' => 
+      array (
+      ),
+      'reference' => 'f44cce5a9db4b8da410215d992110482c931232f',
+    ),
+    'thecodingmachine/safe' => 
+    array (
+      'pretty_version' => 'v1.3.3',
+      'version' => '1.3.3.0',
+      'aliases' => 
+      array (
+      ),
+      'reference' => 'a8ab0876305a4cdaef31b2350fcb9811b5608dbc',
+    ),
+  ),
+);
+private static $canGetVendors;
+private static $installedByVendor = array();
+
+
+
+
+
+
+
+public static function getInstalledPackages()
+{
+$packages = array();
+foreach (self::getInstalled() as $installed) {
+$packages[] = array_keys($installed['versions']);
+}
+
+
+if (1 === \count($packages)) {
+return $packages[0];
+}
+
+return array_keys(array_flip(\call_user_func_array('array_merge', $packages)));
+}
+
+
+
+
+
+
+
+
+
+public static function isInstalled($packageName)
+{
+foreach (self::getInstalled() as $installed) {
+if (isset($installed['versions'][$packageName])) {
+return true;
+}
+}
+
+return false;
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+public static function satisfies(VersionParser $parser, $packageName, $constraint)
+{
+$constraint = $parser->parseConstraints($constraint);
+$provided = $parser->parseConstraints(self::getVersionRanges($packageName));
+
+return $provided->matches($constraint);
+}
+
+
+
+
+
+
+
+
+
+
+public static function getVersionRanges($packageName)
+{
+foreach (self::getInstalled() as $installed) {
+if (!isset($installed['versions'][$packageName])) {
+continue;
+}
+
+$ranges = array();
+if (isset($installed['versions'][$packageName]['pretty_version'])) {
+$ranges[] = $installed['versions'][$packageName]['pretty_version'];
+}
+if (array_key_exists('aliases', $installed['versions'][$packageName])) {
+$ranges = array_merge($ranges, $installed['versions'][$packageName]['aliases']);
+}
+if (array_key_exists('replaced', $installed['versions'][$packageName])) {
+$ranges = array_merge($ranges, $installed['versions'][$packageName]['replaced']);
+}
+if (array_key_exists('provided', $installed['versions'][$packageName])) {
+$ranges = array_merge($ranges, $installed['versions'][$packageName]['provided']);
+}
+
+return implode(' || ', $ranges);
+}
+
+throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
+}
+
+
+
+
+
+public static function getVersion($packageName)
+{
+foreach (self::getInstalled() as $installed) {
+if (!isset($installed['versions'][$packageName])) {
+continue;
+}
+
+if (!isset($installed['versions'][$packageName]['version'])) {
+return null;
+}
+
+return $installed['versions'][$packageName]['version'];
+}
+
+throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
+}
+
+
+
+
+
+public static function getPrettyVersion($packageName)
+{
+foreach (self::getInstalled() as $installed) {
+if (!isset($installed['versions'][$packageName])) {
+continue;
+}
+
+if (!isset($installed['versions'][$packageName]['pretty_version'])) {
+return null;
+}
+
+return $installed['versions'][$packageName]['pretty_version'];
+}
+
+throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
+}
+
+
+
+
+
+public static function getReference($packageName)
+{
+foreach (self::getInstalled() as $installed) {
+if (!isset($installed['versions'][$packageName])) {
+continue;
+}
+
+if (!isset($installed['versions'][$packageName]['reference'])) {
+return null;
+}
+
+return $installed['versions'][$packageName]['reference'];
+}
+
+throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
+}
+
+
+
+
+
+public static function getRootPackage()
+{
+$installed = self::getInstalled();
+
+return $installed[0]['root'];
+}
+
+
+
+
+
+
+
+public static function getRawData()
+{
+return self::$installed;
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+public static function reload($data)
+{
+self::$installed = $data;
+self::$installedByVendor = array();
+}
+
+
+
+
+private static function getInstalled()
+{
+if (null === self::$canGetVendors) {
+self::$canGetVendors = method_exists('Composer\Autoload\ClassLoader', 'getRegisteredLoaders');
+}
+
+$installed = array();
+
+if (self::$canGetVendors) {
+foreach (ClassLoader::getRegisteredLoaders() as $vendorDir => $loader) {
+if (isset(self::$installedByVendor[$vendorDir])) {
+$installed[] = self::$installedByVendor[$vendorDir];
+} elseif (is_file($vendorDir.'/composer/installed.php')) {
+$installed[] = self::$installedByVendor[$vendorDir] = require $vendorDir.'/composer/installed.php';
+}
+}
+}
+
+$installed[] = self::$installed;
+
+return $installed;
+}
+}
diff --git a/vendor/composer/LICENSE b/vendor/composer/LICENSE
new file mode 100644
index 000000000..f27399a04
--- /dev/null
+++ b/vendor/composer/LICENSE
@@ -0,0 +1,21 @@
+
+Copyright (c) Nils Adermann, Jordi Boggiano
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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+return array(
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diff --git a/vendor/composer/autoload_namespaces.php b/vendor/composer/autoload_namespaces.php
new file mode 100644
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+++ b/vendor/composer/autoload_namespaces.php
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+<?php
+
+// autoload_namespaces.php @generated by Composer
+
+$vendorDir = dirname(dirname(__FILE__));
+$baseDir = dirname($vendorDir);
+
+return array(
+);
diff --git a/vendor/composer/autoload_psr4.php b/vendor/composer/autoload_psr4.php
new file mode 100644
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--- /dev/null
+++ b/vendor/composer/autoload_psr4.php
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+<?php
+
+// autoload_psr4.php @generated by Composer
+
+$vendorDir = dirname(dirname(__FILE__));
+$baseDir = dirname($vendorDir);
+
+return array(
+    'chillerlan\\Settings\\' => array($vendorDir . '/chillerlan/php-settings-container/src'),
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new file mode 100644
index 000000000..34b3b7ad0
--- /dev/null
+++ b/vendor/composer/autoload_real.php
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+<?php
+
+// autoload_real.php @generated by Composer
+
+class ComposerAutoloaderInit19fc2ff1c0f9a92279c7979386bb2056
+{
+    private static $loader;
+
+    public static function loadClassLoader($class)
+    {
+        if ('Composer\Autoload\ClassLoader' === $class) {
+            require __DIR__ . '/ClassLoader.php';
+        }
+    }
+
+    /**
+     * @return \Composer\Autoload\ClassLoader
+     */
+    public static function getLoader()
+    {
+        if (null !== self::$loader) {
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+        require __DIR__ . '/platform_check.php';
+
+        spl_autoload_register(array('ComposerAutoloaderInit19fc2ff1c0f9a92279c7979386bb2056', 'loadClassLoader'), true, true);
+        self::$loader = $loader = new \Composer\Autoload\ClassLoader(\dirname(\dirname(__FILE__)));
+        spl_autoload_unregister(array('ComposerAutoloaderInit19fc2ff1c0f9a92279c7979386bb2056', 'loadClassLoader'));
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+        $useStaticLoader = PHP_VERSION_ID >= 50600 && !defined('HHVM_VERSION') && (!function_exists('zend_loader_file_encoded') || !zend_loader_file_encoded());
+        if ($useStaticLoader) {
+            require __DIR__ . '/autoload_static.php';
+
+            call_user_func(\Composer\Autoload\ComposerStaticInit19fc2ff1c0f9a92279c7979386bb2056::getInitializer($loader));
+        } else {
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+                $loader->set($namespace, $path);
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+            $map = require __DIR__ . '/autoload_psr4.php';
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+            $classMap = require __DIR__ . '/autoload_classmap.php';
+            if ($classMap) {
+                $loader->addClassMap($classMap);
+            }
+        }
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+        $loader->register(true);
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+        if ($useStaticLoader) {
+            $includeFiles = Composer\Autoload\ComposerStaticInit19fc2ff1c0f9a92279c7979386bb2056::$files;
+        } else {
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+        }
+        foreach ($includeFiles as $fileIdentifier => $file) {
+            composerRequire19fc2ff1c0f9a92279c7979386bb2056($fileIdentifier, $file);
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+        return $loader;
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+}
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+function composerRequire19fc2ff1c0f9a92279c7979386bb2056($fileIdentifier, $file)
+{
+    if (empty($GLOBALS['__composer_autoload_files'][$fileIdentifier])) {
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+        $GLOBALS['__composer_autoload_files'][$fileIdentifier] = true;
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+}
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new file mode 100644
index 000000000..ac3554d3f
--- /dev/null
+++ b/vendor/composer/autoload_static.php
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+<?php
+
+// autoload_static.php @generated by Composer
+
+namespace Composer\Autoload;
+
+class ComposerStaticInit19fc2ff1c0f9a92279c7979386bb2056
+{
+    public static $files = array (
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+        '2708aa182ddcfe6ce27c96acaaa40f69' => __DIR__ . '/..' . '/thecodingmachine/safe/generated/sodium.php',
+        'f1b96cb260a5baeea9a7285cda82a1ec' => __DIR__ . '/..' . '/thecodingmachine/safe/generated/solr.php',
+        '3fd8853757d0fe3557c179efb807afeb' => __DIR__ . '/..' . '/thecodingmachine/safe/generated/spl.php',
+        '9312ce96a51c846913fcda5f186d58dd' => __DIR__ . '/..' . '/thecodingmachine/safe/generated/sqlsrv.php',
+        'd3eb383ad0b8b962b29dc4afd29d6715' => __DIR__ . '/..' . '/thecodingmachine/safe/generated/ssdeep.php',
+        '42a09bc448f441a0b9f9367ea975c0bf' => __DIR__ . '/..' . '/thecodingmachine/safe/generated/ssh2.php',
+        'ef711077d356d1b33ca0b10b67b0be8f' => __DIR__ . '/..' . '/thecodingmachine/safe/generated/stream.php',
+        '764b09f6df081cbb2807b97c6ace3866' => __DIR__ . '/..' . '/thecodingmachine/safe/generated/strings.php',
+        'ef241678769fee4a44aaa288f3b78aa1' => __DIR__ . '/..' . '/thecodingmachine/safe/generated/swoole.php',
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+        'd383d32907b98af53ee9208c62204fd0' => __DIR__ . '/..' . '/thecodingmachine/safe/generated/uopz.php',
+        '2fd2e4060f7fe772660f002ce38f0b71' => __DIR__ . '/..' . '/thecodingmachine/safe/generated/url.php',
+        '782249e03deebeaf57b9991ff5493aa0' => __DIR__ . '/..' . '/thecodingmachine/safe/generated/var.php',
+        '344440cd1cd7200fdb4f12af0d3c587f' => __DIR__ . '/..' . '/thecodingmachine/safe/generated/xdiff.php',
+        '3599f369219c658a5fb6c4fe66832f62' => __DIR__ . '/..' . '/thecodingmachine/safe/generated/xml.php',
+        '7fcd313da9fae337051b091b3492c21b' => __DIR__ . '/..' . '/thecodingmachine/safe/generated/xmlrpc.php',
+        'd668c74cfa92d893b582356733d9a80e' => __DIR__ . '/..' . '/thecodingmachine/safe/generated/yaml.php',
+        '4af1dca6db8c527c6eed27bff85ff0e5' => __DIR__ . '/..' . '/thecodingmachine/safe/generated/yaz.php',
+        'fe43ca06499ac37bc2dedd823af71eb5' => __DIR__ . '/..' . '/thecodingmachine/safe/generated/zip.php',
+        '356736db98a6834f0a886b8d509b0ecd' => __DIR__ . '/..' . '/thecodingmachine/safe/generated/zlib.php',
+    );
+
+    public static $prefixLengthsPsr4 = array (
+        'c' => 
+        array (
+            'chillerlan\\Settings\\' => 20,
+            'chillerlan\\QRCode\\' => 18,
+        ),
+        'S' => 
+        array (
+            'Safe\\' => 5,
+        ),
+        'P' => 
+        array (
+            'ParagonIE\\ConstantTime\\' => 23,
+        ),
+        'O' => 
+        array (
+            'OTPHP\\' => 6,
+        ),
+        'A' => 
+        array (
+            'Assert\\' => 7,
+        ),
+    );
+
+    public static $prefixDirsPsr4 = array (
+        'chillerlan\\Settings\\' => 
+        array (
+            0 => __DIR__ . '/..' . '/chillerlan/php-settings-container/src',
+        ),
+        'chillerlan\\QRCode\\' => 
+        array (
+            0 => __DIR__ . '/..' . '/chillerlan/php-qrcode/src',
+        ),
+        'Safe\\' => 
+        array (
+            0 => __DIR__ . '/..' . '/thecodingmachine/safe/lib',
+            1 => __DIR__ . '/..' . '/thecodingmachine/safe/deprecated',
+            2 => __DIR__ . '/..' . '/thecodingmachine/safe/generated',
+        ),
+        'ParagonIE\\ConstantTime\\' => 
+        array (
+            0 => __DIR__ . '/..' . '/paragonie/constant_time_encoding/src',
+        ),
+        'OTPHP\\' => 
+        array (
+            0 => __DIR__ . '/..' . '/spomky-labs/otphp/src',
+        ),
+        'Assert\\' => 
+        array (
+            0 => __DIR__ . '/..' . '/beberlei/assert/lib/Assert',
+        ),
+    );
+
+    public static $classMap = array (
+        'Composer\\InstalledVersions' => __DIR__ . '/..' . '/composer/InstalledVersions.php',
+    );
+
+    public static function getInitializer(ClassLoader $loader)
+    {
+        return \Closure::bind(function () use ($loader) {
+            $loader->prefixLengthsPsr4 = ComposerStaticInit19fc2ff1c0f9a92279c7979386bb2056::$prefixLengthsPsr4;
+            $loader->prefixDirsPsr4 = ComposerStaticInit19fc2ff1c0f9a92279c7979386bb2056::$prefixDirsPsr4;
+            $loader->classMap = ComposerStaticInit19fc2ff1c0f9a92279c7979386bb2056::$classMap;
+
+        }, null, ClassLoader::class);
+    }
+}
diff --git a/vendor/composer/installed.json b/vendor/composer/installed.json
new file mode 100644
index 000000000..086e5d4a4
--- /dev/null
+++ b/vendor/composer/installed.json
@@ -0,0 +1,500 @@
+{
+    "packages": [
+        {
+            "name": "beberlei/assert",
+            "version": "v3.2.7",
+            "version_normalized": "3.2.7.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/beberlei/assert.git",
+                "reference": "d63a6943fc4fd1a2aedb65994e3548715105abcf"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/beberlei/assert/zipball/d63a6943fc4fd1a2aedb65994e3548715105abcf",
+                "reference": "d63a6943fc4fd1a2aedb65994e3548715105abcf",
+                "shasum": ""
+            },
+            "require": {
+                "ext-ctype": "*",
+                "ext-json": "*",
+                "ext-mbstring": "*",
+                "ext-simplexml": "*",
+                "php": "^7"
+            },
+            "require-dev": {
+                "friendsofphp/php-cs-fixer": "*",
+                "phpstan/phpstan-shim": "*",
+                "phpunit/phpunit": ">=6.0.0 <8"
+            },
+            "suggest": {
+                "ext-intl": "Needed to allow Assertion::count(), Assertion::isCountable(), Assertion::minCount(), and Assertion::maxCount() to operate on ResourceBundles"
+            },
+            "time": "2019-12-19T17:51:41+00:00",
+            "type": "library",
+            "installation-source": "dist",
+            "autoload": {
+                "psr-4": {
+                    "Assert\\": "lib/Assert"
+                },
+                "files": [
+                    "lib/Assert/functions.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-2-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Benjamin Eberlei",
+                    "email": "[email protected]",
+                    "role": "Lead Developer"
+                },
+                {
+                    "name": "Richard Quadling",
+                    "email": "[email protected]",
+                    "role": "Collaborator"
+                }
+            ],
+            "description": "Thin assertion library for input validation in business models.",
+            "keywords": [
+                "assert",
+                "assertion",
+                "validation"
+            ],
+            "support": {
+                "issues": "https://github.com/beberlei/assert/issues",
+                "source": "https://github.com/beberlei/assert/tree/v3"
+            },
+            "install-path": "../beberlei/assert"
+        },
+        {
+            "name": "chillerlan/php-qrcode",
+            "version": "3.4.0",
+            "version_normalized": "3.4.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/chillerlan/php-qrcode.git",
+                "reference": "d8bf297e6843a53aeaa8f3285ce04fc349d133d6"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/chillerlan/php-qrcode/zipball/d8bf297e6843a53aeaa8f3285ce04fc349d133d6",
+                "reference": "d8bf297e6843a53aeaa8f3285ce04fc349d133d6",
+                "shasum": ""
+            },
+            "require": {
+                "chillerlan/php-settings-container": "^1.2",
+                "ext-mbstring": "*",
+                "php": "^7.2"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^8.5",
+                "setasign/fpdf": "^1.8.2"
+            },
+            "suggest": {
+                "chillerlan/php-authenticator": "Yet another Google authenticator! Also creates URIs for mobile apps.",
+                "setasign/fpdf": "Required to use the QR FPDF output."
+            },
+            "time": "2020-11-18T20:51:41+00:00",
+            "type": "library",
+            "installation-source": "dist",
+            "autoload": {
+                "psr-4": {
+                    "chillerlan\\QRCode\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Kazuhiko Arase",
+                    "homepage": "https://github.com/kazuhikoarase"
+                },
+                {
+                    "name": "Smiley",
+                    "email": "[email protected]",
+                    "homepage": "https://github.com/codemasher"
+                },
+                {
+                    "name": "Contributors",
+                    "homepage": "https://github.com/chillerlan/php-qrcode/graphs/contributors"
+                }
+            ],
+            "description": "A QR code generator. PHP 7.2+",
+            "homepage": "https://github.com/chillerlan/php-qrcode",
+            "keywords": [
+                "phpqrcode",
+                "qr",
+                "qr code",
+                "qrcode",
+                "qrcode-generator"
+            ],
+            "support": {
+                "issues": "https://github.com/chillerlan/php-qrcode/issues",
+                "source": "https://github.com/chillerlan/php-qrcode/tree/3.4.0"
+            },
+            "funding": [
+                {
+                    "url": "https://www.paypal.com/donate?hosted_button_id=WLYUNAT9ZTJZ4",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://ko-fi.com/codemasher",
+                    "type": "ko_fi"
+                }
+            ],
+            "install-path": "../chillerlan/php-qrcode"
+        },
+        {
+            "name": "chillerlan/php-settings-container",
+            "version": "1.2.1",
+            "version_normalized": "1.2.1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/chillerlan/php-settings-container.git",
+                "reference": "b9b0431dffd74102ee92348a63b4c33fc8ba639b"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/chillerlan/php-settings-container/zipball/b9b0431dffd74102ee92348a63b4c33fc8ba639b",
+                "reference": "b9b0431dffd74102ee92348a63b4c33fc8ba639b",
+                "shasum": ""
+            },
+            "require": {
+                "ext-json": "*",
+                "php": "^7.2"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^8.3"
+            },
+            "time": "2019-09-10T00:09:44+00:00",
+            "type": "library",
+            "installation-source": "dist",
+            "autoload": {
+                "psr-4": {
+                    "chillerlan\\Settings\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Smiley",
+                    "email": "[email protected]",
+                    "homepage": "https://github.com/codemasher"
+                }
+            ],
+            "description": "A container class for immutable settings objects. Not a DI container. PHP 7.2+",
+            "homepage": "https://github.com/chillerlan/php-settings-container",
+            "keywords": [
+                "PHP7",
+                "Settings",
+                "container",
+                "helper"
+            ],
+            "support": {
+                "issues": "https://github.com/chillerlan/php-settings-container/issues",
+                "source": "https://github.com/chillerlan/php-settings-container"
+            },
+            "install-path": "../chillerlan/php-settings-container"
+        },
+        {
+            "name": "paragonie/constant_time_encoding",
+            "version": "v2.4.0",
+            "version_normalized": "2.4.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/paragonie/constant_time_encoding.git",
+                "reference": "f34c2b11eb9d2c9318e13540a1dbc2a3afbd939c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/paragonie/constant_time_encoding/zipball/f34c2b11eb9d2c9318e13540a1dbc2a3afbd939c",
+                "reference": "f34c2b11eb9d2c9318e13540a1dbc2a3afbd939c",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7|^8"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^6|^7|^8|^9",
+                "vimeo/psalm": "^1|^2|^3|^4"
+            },
+            "time": "2020-12-06T15:14:20+00:00",
+            "type": "library",
+            "installation-source": "dist",
+            "autoload": {
+                "psr-4": {
+                    "ParagonIE\\ConstantTime\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Paragon Initiative Enterprises",
+                    "email": "[email protected]",
+                    "homepage": "https://paragonie.com",
+                    "role": "Maintainer"
+                },
+                {
+                    "name": "Steve 'Sc00bz' Thomas",
+                    "email": "[email protected]",
+                    "homepage": "https://www.tobtu.com",
+                    "role": "Original Developer"
+                }
+            ],
+            "description": "Constant-time Implementations of RFC 4648 Encoding (Base-64, Base-32, Base-16)",
+            "keywords": [
+                "base16",
+                "base32",
+                "base32_decode",
+                "base32_encode",
+                "base64",
+                "base64_decode",
+                "base64_encode",
+                "bin2hex",
+                "encoding",
+                "hex",
+                "hex2bin",
+                "rfc4648"
+            ],
+            "support": {
+                "email": "[email protected]",
+                "issues": "https://github.com/paragonie/constant_time_encoding/issues",
+                "source": "https://github.com/paragonie/constant_time_encoding"
+            },
+            "install-path": "../paragonie/constant_time_encoding"
+        },
+        {
+            "name": "spomky-labs/otphp",
+            "version": "v10.0.1",
+            "version_normalized": "10.0.1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/Spomky-Labs/otphp.git",
+                "reference": "f44cce5a9db4b8da410215d992110482c931232f"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/Spomky-Labs/otphp/zipball/f44cce5a9db4b8da410215d992110482c931232f",
+                "reference": "f44cce5a9db4b8da410215d992110482c931232f",
+                "shasum": ""
+            },
+            "require": {
+                "beberlei/assert": "^3.0",
+                "ext-mbstring": "*",
+                "paragonie/constant_time_encoding": "^2.0",
+                "php": "^7.2|^8.0",
+                "thecodingmachine/safe": "^0.1.14|^1.0"
+            },
+            "require-dev": {
+                "php-coveralls/php-coveralls": "^2.0",
+                "phpstan/phpstan": "^0.12",
+                "phpstan/phpstan-beberlei-assert": "^0.12",
+                "phpstan/phpstan-deprecation-rules": "^0.12",
+                "phpstan/phpstan-phpunit": "^0.12",
+                "phpstan/phpstan-strict-rules": "^0.12",
+                "phpunit/phpunit": "^8.0",
+                "thecodingmachine/phpstan-safe-rule": "^1.0"
+            },
+            "time": "2020-01-28T09:24:19+00:00",
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "v10.0": "10.0.x-dev",
+                    "v9.0": "9.0.x-dev",
+                    "v8.3": "8.3.x-dev"
+                }
+            },
+            "installation-source": "dist",
+            "autoload": {
+                "psr-4": {
+                    "OTPHP\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Florent Morselli",
+                    "homepage": "https://github.com/Spomky"
+                },
+                {
+                    "name": "All contributors",
+                    "homepage": "https://github.com/Spomky-Labs/otphp/contributors"
+                }
+            ],
+            "description": "A PHP library for generating one time passwords according to RFC 4226 (HOTP Algorithm) and the RFC 6238 (TOTP Algorithm) and compatible with Google Authenticator",
+            "homepage": "https://github.com/Spomky-Labs/otphp",
+            "keywords": [
+                "FreeOTP",
+                "RFC 4226",
+                "RFC 6238",
+                "google authenticator",
+                "hotp",
+                "otp",
+                "totp"
+            ],
+            "support": {
+                "issues": "https://github.com/Spomky-Labs/otphp/issues",
+                "source": "https://github.com/Spomky-Labs/otphp/tree/v10.0.1"
+            },
+            "install-path": "../spomky-labs/otphp"
+        },
+        {
+            "name": "thecodingmachine/safe",
+            "version": "v1.3.3",
+            "version_normalized": "1.3.3.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/thecodingmachine/safe.git",
+                "reference": "a8ab0876305a4cdaef31b2350fcb9811b5608dbc"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/thecodingmachine/safe/zipball/a8ab0876305a4cdaef31b2350fcb9811b5608dbc",
+                "reference": "a8ab0876305a4cdaef31b2350fcb9811b5608dbc",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.2"
+            },
+            "require-dev": {
+                "phpstan/phpstan": "^0.12",
+                "squizlabs/php_codesniffer": "^3.2",
+                "thecodingmachine/phpstan-strict-rules": "^0.12"
+            },
+            "time": "2020-10-28T17:51:34+00:00",
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "0.1-dev"
+                }
+            },
+            "installation-source": "dist",
+            "autoload": {
+                "psr-4": {
+                    "Safe\\": [
+                        "lib/",
+                        "deprecated/",
+                        "generated/"
+                    ]
+                },
+                "files": [
+                    "deprecated/apc.php",
+                    "deprecated/libevent.php",
+                    "deprecated/mssql.php",
+                    "deprecated/stats.php",
+                    "lib/special_cases.php",
+                    "generated/apache.php",
+                    "generated/apcu.php",
+                    "generated/array.php",
+                    "generated/bzip2.php",
+                    "generated/calendar.php",
+                    "generated/classobj.php",
+                    "generated/com.php",
+                    "generated/cubrid.php",
+                    "generated/curl.php",
+                    "generated/datetime.php",
+                    "generated/dir.php",
+                    "generated/eio.php",
+                    "generated/errorfunc.php",
+                    "generated/exec.php",
+                    "generated/fileinfo.php",
+                    "generated/filesystem.php",
+                    "generated/filter.php",
+                    "generated/fpm.php",
+                    "generated/ftp.php",
+                    "generated/funchand.php",
+                    "generated/gmp.php",
+                    "generated/gnupg.php",
+                    "generated/hash.php",
+                    "generated/ibase.php",
+                    "generated/ibmDb2.php",
+                    "generated/iconv.php",
+                    "generated/image.php",
+                    "generated/imap.php",
+                    "generated/info.php",
+                    "generated/ingres-ii.php",
+                    "generated/inotify.php",
+                    "generated/json.php",
+                    "generated/ldap.php",
+                    "generated/libxml.php",
+                    "generated/lzf.php",
+                    "generated/mailparse.php",
+                    "generated/mbstring.php",
+                    "generated/misc.php",
+                    "generated/msql.php",
+                    "generated/mysql.php",
+                    "generated/mysqli.php",
+                    "generated/mysqlndMs.php",
+                    "generated/mysqlndQc.php",
+                    "generated/network.php",
+                    "generated/oci8.php",
+                    "generated/opcache.php",
+                    "generated/openssl.php",
+                    "generated/outcontrol.php",
+                    "generated/password.php",
+                    "generated/pcntl.php",
+                    "generated/pcre.php",
+                    "generated/pdf.php",
+                    "generated/pgsql.php",
+                    "generated/posix.php",
+                    "generated/ps.php",
+                    "generated/pspell.php",
+                    "generated/readline.php",
+                    "generated/rpminfo.php",
+                    "generated/rrd.php",
+                    "generated/sem.php",
+                    "generated/session.php",
+                    "generated/shmop.php",
+                    "generated/simplexml.php",
+                    "generated/sockets.php",
+                    "generated/sodium.php",
+                    "generated/solr.php",
+                    "generated/spl.php",
+                    "generated/sqlsrv.php",
+                    "generated/ssdeep.php",
+                    "generated/ssh2.php",
+                    "generated/stream.php",
+                    "generated/strings.php",
+                    "generated/swoole.php",
+                    "generated/uodbc.php",
+                    "generated/uopz.php",
+                    "generated/url.php",
+                    "generated/var.php",
+                    "generated/xdiff.php",
+                    "generated/xml.php",
+                    "generated/xmlrpc.php",
+                    "generated/yaml.php",
+                    "generated/yaz.php",
+                    "generated/zip.php",
+                    "generated/zlib.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "PHP core functions that throw exceptions instead of returning FALSE on error",
+            "support": {
+                "issues": "https://github.com/thecodingmachine/safe/issues",
+                "source": "https://github.com/thecodingmachine/safe/tree/v1.3.3"
+            },
+            "install-path": "../thecodingmachine/safe"
+        }
+    ],
+    "dev": true,
+    "dev-package-names": []
+}
diff --git a/vendor/composer/installed.php b/vendor/composer/installed.php
new file mode 100644
index 000000000..ceaa850e9
--- /dev/null
+++ b/vendor/composer/installed.php
@@ -0,0 +1,78 @@
+<?php return array (
+  'root' => 
+  array (
+    'pretty_version' => 'dev-master',
+    'version' => 'dev-master',
+    'aliases' => 
+    array (
+    ),
+    'reference' => 'bc4475b6698f5a74e475674aa7af43253c459892',
+    'name' => '__root__',
+  ),
+  'versions' => 
+  array (
+    '__root__' => 
+    array (
+      'pretty_version' => 'dev-master',
+      'version' => 'dev-master',
+      'aliases' => 
+      array (
+      ),
+      'reference' => 'bc4475b6698f5a74e475674aa7af43253c459892',
+    ),
+    'beberlei/assert' => 
+    array (
+      'pretty_version' => 'v3.2.7',
+      'version' => '3.2.7.0',
+      'aliases' => 
+      array (
+      ),
+      'reference' => 'd63a6943fc4fd1a2aedb65994e3548715105abcf',
+    ),
+    'chillerlan/php-qrcode' => 
+    array (
+      'pretty_version' => '3.4.0',
+      'version' => '3.4.0.0',
+      'aliases' => 
+      array (
+      ),
+      'reference' => 'd8bf297e6843a53aeaa8f3285ce04fc349d133d6',
+    ),
+    'chillerlan/php-settings-container' => 
+    array (
+      'pretty_version' => '1.2.1',
+      'version' => '1.2.1.0',
+      'aliases' => 
+      array (
+      ),
+      'reference' => 'b9b0431dffd74102ee92348a63b4c33fc8ba639b',
+    ),
+    'paragonie/constant_time_encoding' => 
+    array (
+      'pretty_version' => 'v2.4.0',
+      'version' => '2.4.0.0',
+      'aliases' => 
+      array (
+      ),
+      'reference' => 'f34c2b11eb9d2c9318e13540a1dbc2a3afbd939c',
+    ),
+    'spomky-labs/otphp' => 
+    array (
+      'pretty_version' => 'v10.0.1',
+      'version' => '10.0.1.0',
+      'aliases' => 
+      array (
+      ),
+      'reference' => 'f44cce5a9db4b8da410215d992110482c931232f',
+    ),
+    'thecodingmachine/safe' => 
+    array (
+      'pretty_version' => 'v1.3.3',
+      'version' => '1.3.3.0',
+      'aliases' => 
+      array (
+      ),
+      'reference' => 'a8ab0876305a4cdaef31b2350fcb9811b5608dbc',
+    ),
+  ),
+);
diff --git a/vendor/composer/platform_check.php b/vendor/composer/platform_check.php
new file mode 100644
index 000000000..589e9e770
--- /dev/null
+++ b/vendor/composer/platform_check.php
@@ -0,0 +1,26 @@
+<?php
+
+// platform_check.php @generated by Composer
+
+$issues = array();
+
+if (!(PHP_VERSION_ID >= 70200)) {
+    $issues[] = 'Your Composer dependencies require a PHP version ">= 7.2.0". You are running ' . PHP_VERSION . '.';
+}
+
+if ($issues) {
+    if (!headers_sent()) {
+        header('HTTP/1.1 500 Internal Server Error');
+    }
+    if (!ini_get('display_errors')) {
+        if (PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg') {
+            fwrite(STDERR, 'Composer detected issues in your platform:' . PHP_EOL.PHP_EOL . implode(PHP_EOL, $issues) . PHP_EOL.PHP_EOL);
+        } elseif (!headers_sent()) {
+            echo 'Composer detected issues in your platform:' . PHP_EOL.PHP_EOL . str_replace('You are running '.PHP_VERSION.'.', '', implode(PHP_EOL, $issues)) . PHP_EOL.PHP_EOL;
+        }
+    }
+    trigger_error(
+        'Composer detected issues in your platform: ' . implode(' ', $issues),
+        E_USER_ERROR
+    );
+}