Remove BC breaking Webmozart asserts

Author: tvdijen

composer.json

@@ -28,8 +28,7 @@
     },
     "require": {
         "php": ">=5.6",
-        "simplesamlphp/composer-module-installer": "~1.1",
-        "webmozart/assert": "~1.4"
+        "simplesamlphp/composer-module-installer": "~1.1"
     },
     "require-dev": {
         "simplesamlphp/simplesamlphp": "^1.17",

lib/SAML2/XML/fed/Endpoint.php

@@ -2,8 +2,6 @@
 
 namespace SimpleSAML\Module\adfs\SAML2\XML\fed;
 
-use Webmozart\Assert\Assert;
-
 /**
  * Class representing fed Endpoint.
  *
@@ -22,8 +20,8 @@ class Endpoint
      */
     public static function appendXML(\DOMElement $parent, $name, $address)
     {
-        Assert::string($name);
-        Assert::string($address);
+        assert(is_string($name));
+        assert(is_string($address));
 
         $e = $parent->ownerDocument->createElement($name);
         $parent->appendChild($e);

lib/SAML2/XML/fed/SecurityTokenServiceType.php

@@ -2,8 +2,6 @@
 
 namespace SimpleSAML\Module\adfs\SAML2\XML\fed;
 
-use Webmozart\Assert\Assert;
-
 /**
  * Class representing SecurityTokenServiceType RoleDescriptor.
  *
@@ -48,7 +46,7 @@ public function __construct(\DOMElement $xml = null)
      */
     public function toXML(\DOMElement $parent)
     {
-        Assert::string($this->Location);
+        assert(is_string($this->Location));
 
         if (is_null($this->Location)) {
             throw new \Exception('Location not set');

www/idp/metadata.php

@@ -1,7 +1,5 @@
 <?php
 
-use Webmozart\Assert\Assert;
-
 // load configuration and metadata
 $config = \SimpleSAML\Configuration::getInstance();
 $metadata = \SimpleSAML\Metadata\MetaDataStorageHandler::getMetadataHandler();
@@ -50,7 +48,7 @@
     if ($idpmeta->hasValue('https.certificate')) {
         /** @var array $httpsCert */
         $httpsCert = \SimpleSAML\Utils\Crypto::loadPublicKey($idpmeta, true, 'https.');
-        Assert::keyExists($httpsCert, 'certData');
+        assert(array_key_exists('certData', $httpsCert));
         $availableCerts['https.crt'] = $httpsCert;
         $keys[] = [
             'type'            => 'X509Certificate',