1 files changed, 134 insertions, 0 deletions
diff --git a/admin/survey/minify/vendor/intervention/httpauth/src/Intervention/Httpauth/DigestUser.php b/admin/survey/minify/vendor/intervention/httpauth/src/Intervention/Httpauth/DigestUser.php
new file mode 100644
index 0000000..b274904
--- /dev/null
+++ b/admin/survey/minify/vendor/intervention/httpauth/src/Intervention/Httpauth/DigestUser.php
@@ -0,0 +1,134 @@
+<?php
+
+namespace Intervention\Httpauth;
+
+class DigestUser implements UserInterface
+{
+    /**
+     * Nonce to discourage cryptanalysis
+     *
+     * @var string
+     */
+    private $nonce;
+
+    /**
+     * nc
+     * @var string
+     */
+    private $nc;
+
+    /**
+     * cnonce
+     * @var string
+     */
+    private $cnonce;
+
+    /**
+     * quality of protection
+     *
+     * @var string
+     */
+    private $qop;
+
+    /**
+     * Name of user
+     *
+     * @var string
+     */
+    private $username;
+
+    /**
+     * Requested uri
+     *
+     * @var string
+     */
+    private $uri;
+
+    /**
+     * Response
+     *
+     * @var string
+     */
+    private $response;
+
+    /**
+     * Creates a new instance
+     */
+    public function __construct()
+    {
+        $this->parse();
+    }
+
+    /**
+     * Checks for valid username & password
+     *
+     * @param  string  $name
+     * @param  string  $password
+     * @return boolean
+     */
+    public function isValid($name, $password, $realm)
+    {
+        $request_method = isset($_SERVER['REQUEST_METHOD']) ? $_SERVER['REQUEST_METHOD'] : 'GET';
+        $u1 = md5(sprintf('%s:%s:%s', $this->username, $realm, $password));
+        $u2 = md5(sprintf('%s:%s', $request_method, $this->uri));
+        $response = md5(sprintf('%s:%s:%s:%s:%s:%s', $u1, $this->nonce, $this->nc, $this->cnonce, $this->qop, $u2));
+
+        return ($response == $this->response) && ($name == $this->username);
+    }
+
+    /**
+     * Parses the User Information from server variables
+
+     * @return void
+     */
+    public function parse()
+    {
+        $digest = $this->getDigest();
+        $user = array();
+        $required = array('nonce' => 1, 'nc' => 1, 'cnonce' => 1, 'qop' => 1, 'username' => 1, 'uri' => 1, 'response' => 1);
+
+        preg_match_all('@(\w+)=(?:(?:")([^"]+)"|([^\s,$]+))@', $digest, $matches, PREG_SET_ORDER);
+
+        if (is_array($matches)) {
+            foreach ($matches as $m) {
+                $key = $m[1];
+                $user[$key] = $m[2] ? $m[2] : $m[3];
+                unset($required[$key]);
+            }
+
+            if (count($required) == 0) {
+                $this->nonce = $user['nonce'];
+                $this->nc = $user['nc'];
+                $this->cnonce = $user['cnonce'];
+                $this->qop = $user['qop'];
+                $this->username = $user['username'];
+                $this->uri = $user['uri'];
+                $this->response = $user['response'];
+            }
+        }
+    }
+
+    /**
+     * Fetch digest data from environment information
+     *
+     * @return string
+     */
+    public function getDigest()
+    {
+        $digest = null;
+
+        if (isset($_SERVER['PHP_AUTH_DIGEST'])) {
+
+            $digest = $_SERVER['PHP_AUTH_DIGEST'];
+
+        } elseif (isset($_SERVER['HTTP_AUTHORIZATION'])) {
+
+            if (strpos(strtolower($_SERVER['HTTP_AUTHORIZATION']), 'digest') === 0) {
+
+                $digest = substr($_SERVER['HTTP_AUTHORIZATION'], 7);
+            }
+        }
+
+        return $digest;
+    }
+}