From cf14306c2b3f82a81f8d56669a71633b4d4b5fce Mon Sep 17 00:00:00 2001
From: marvin-borner@live.com
Date: Mon, 16 Apr 2018 21:09:05 +0200
Subject: Main merge to user management system - files are now at /main/public/

---
 .../src/Http/Concerns/DeterminesContentType.php    | 76 ++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100755 main/app/sprinkles/core/src/Http/Concerns/DeterminesContentType.php

(limited to 'main/app/sprinkles/core/src/Http')

diff --git a/main/app/sprinkles/core/src/Http/Concerns/DeterminesContentType.php b/main/app/sprinkles/core/src/Http/Concerns/DeterminesContentType.php
new file mode 100755
index 0000000..e963afa
--- /dev/null
+++ b/main/app/sprinkles/core/src/Http/Concerns/DeterminesContentType.php
@@ -0,0 +1,76 @@
+<?php
+/**
+ * UserFrosting (http://www.userfrosting.com)
+ *
+ * @link      https://github.com/userfrosting/UserFrosting
+ * @license   https://github.com/userfrosting/UserFrosting/blob/master/licenses/UserFrosting.md (MIT License)
+ */
+namespace UserFrosting\Sprinkle\Core\Http\Concerns;
+
+use Psr\Http\Message\ServerRequestInterface;
+
+/**
+ * Trait for classes that need to determine a request's accepted content type(s).
+ *
+ * @author Alex Weissman (https://alexanderweissman.com)
+ */
+trait DeterminesContentType
+{
+    /**
+     * Known handled content types
+     *
+     * @var array
+     */
+    protected $knownContentTypes = [
+        'application/json',
+        'application/xml',
+        'text/xml',
+        'text/html',
+        'text/plain'
+    ];
+
+    /**
+     * Determine which content type we know about is wanted using Accept header
+     *
+     * Note: This method is a bare-bones implementation designed specifically for
+     * Slim's error handling requirements. Consider a fully-feature solution such
+     * as willdurand/negotiation for any other situation.
+     *
+     * @param ServerRequestInterface $request
+     * @return string
+     */
+    protected function determineContentType(ServerRequestInterface $request, $ajaxDebug = false)
+    {
+        // For AJAX requests, if AJAX debugging is turned on, always return html
+        if ($ajaxDebug && $request->isXhr()) {
+            return 'text/html';
+        }
+
+        $acceptHeader = $request->getHeaderLine('Accept');
+        $selectedContentTypes = array_intersect(explode(',', $acceptHeader), $this->knownContentTypes);
+        $count = count($selectedContentTypes);
+
+        if ($count) {
+            $current = current($selectedContentTypes);
+
+            /**
+             * Ensure other supported content types take precedence over text/plain
+             * when multiple content types are provided via Accept header.
+             */
+            if ($current === 'text/plain' && $count > 1) {
+                return next($selectedContentTypes);
+            }
+
+            return $current;
+        }
+
+        if (preg_match('/\+(json|xml)/', $acceptHeader, $matches)) {
+            $mediaType = 'application/' . $matches[1];
+            if (in_array($mediaType, $this->knownContentTypes)) {
+                return $mediaType;
+            }
+        }
+
+        return 'text/html';
+    }
+}
-- 
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