commit vendor

vendor/laminas/laminas-mail/src/Protocol/Smtp/Auth/Crammd5.php

@@ -0,0 +1,138 @@
+<?php
+
+/**
+ * @see       https://github.com/laminas/laminas-mail for the canonical source repository
+ * @copyright https://github.com/laminas/laminas-mail/blob/master/COPYRIGHT.md
+ * @license   https://github.com/laminas/laminas-mail/blob/master/LICENSE.md New BSD License
+ */
+
+namespace Laminas\Mail\Protocol\Smtp\Auth;
+
+use Laminas\Crypt\Hmac;
+use Laminas\Mail\Protocol\Smtp;
+
+/**
+ * Performs CRAM-MD5 authentication
+ */
+class Crammd5 extends Smtp
+{
+    /**
+     * @var string
+     */
+    protected $username;
+
+    /**
+     * @var string
+     */
+    protected $password;
+
+    /**
+     * Constructor.
+     *
+     * All parameters may be passed as an array to the first argument of the
+     * constructor. If so,
+     *
+     * @param  string|array $host   (Default: 127.0.0.1)
+     * @param  null|int     $port   (Default: null)
+     * @param  null|array   $config Auth-specific parameters
+     */
+    public function __construct($host = '127.0.0.1', $port = null, $config = null)
+    {
+        // Did we receive a configuration array?
+        $origConfig = $config;
+        if (is_array($host)) {
+            // Merge config array with principal array, if provided
+            if (is_array($config)) {
+                $config = array_replace_recursive($host, $config);
+            } else {
+                $config = $host;
+            }
+        }
+
+        if (is_array($config)) {
+            if (isset($config['username'])) {
+                $this->setUsername($config['username']);
+            }
+            if (isset($config['password'])) {
+                $this->setPassword($config['password']);
+            }
+        }
+
+        // Call parent with original arguments
+        parent::__construct($host, $port, $origConfig);
+    }
+
+    /**
+     * Performs CRAM-MD5 authentication with supplied credentials
+     */
+    public function auth()
+    {
+        // Ensure AUTH has not already been initiated.
+        parent::auth();
+
+        $this->_send('AUTH CRAM-MD5');
+        $challenge = $this->_expect(334);
+        $challenge = base64_decode($challenge);
+        $digest = $this->hmacMd5($this->getPassword(), $challenge);
+        $this->_send(base64_encode($this->getUsername() . ' ' . $digest));
+        $this->_expect(235);
+        $this->auth = true;
+    }
+
+    /**
+     * Set value for username
+     *
+     * @param  string $username
+     * @return Crammd5
+     */
+    public function setUsername($username)
+    {
+        $this->username = $username;
+        return $this;
+    }
+
+    /**
+     * Get username
+     *
+     * @return string
+     */
+    public function getUsername()
+    {
+        return $this->username;
+    }
+
+    /**
+     * Set value for password
+     *
+     * @param  string $password
+     * @return Crammd5
+     */
+    public function setPassword($password)
+    {
+        $this->password = $password;
+        return $this;
+    }
+
+    /**
+     * Get password
+     *
+     * @return string
+     */
+    public function getPassword()
+    {
+        return $this->password;
+    }
+
+    /**
+     * Prepare CRAM-MD5 response to server's ticket
+     *
+     * @param  string $key   Challenge key (usually password)
+     * @param  string $data  Challenge data
+     * @param  int    $block Length of blocks (deprecated; unused)
+     * @return string
+     */
+    protected function hmacMd5($key, $data, $block = 64)
+    {
+        return Hmac::compute($key, 'md5', $data);
+    }
+}