1 files changed, 135 insertions, 0 deletions
diff --git a/library/vendor/Zend/Mail/Header/HeaderValue.php b/library/vendor/Zend/Mail/Header/HeaderValue.php
new file mode 100644
index 0000000..7828e8b
--- /dev/null
+++ b/library/vendor/Zend/Mail/Header/HeaderValue.php
@@ -0,0 +1,135 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Mail
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+
+/**
+ * @category   Zend
+ * @package    Zend_Mail
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+final class Zend_Mail_Header_HeaderValue
+{
+    /**
+     * No public constructor.
+     */
+    private function __construct()
+    {
+    }
+
+    /**
+     * Filter the header value according to RFC 2822
+     *
+     * @see    http://www.rfc-base.org/txt/rfc-2822.txt (section 2.2)
+     * @param  string $value
+     * @return string
+     */
+    public static function filter($value)
+    {
+        $result = '';
+        $tot    = strlen($value);
+
+        // Filter for CR and LF characters, leaving CRLF + WSP sequences for
+        // Long Header Fields (section 2.2.3 of RFC 2822)
+        for ($i = 0; $i < $tot; $i += 1) {
+            $ord = ord($value[$i]);
+            if (($ord < 32 || $ord > 126)
+                && $ord !== 13
+            ) {
+                continue;
+            }
+
+            if ($ord === 13) {
+                if ($i + 2 >= $tot) {
+                    continue;
+                }
+
+                $lf = ord($value[$i + 1]);
+                $sp = ord($value[$i + 2]);
+
+                if ($lf !== 10 || $sp !== 32) {
+                    continue;
+                }
+
+                $result .= "\r\n ";
+                $i += 2;
+                continue;
+            }
+
+            $result .= $value[$i];
+        }
+
+        return $result;
+    }
+
+    /**
+     * Determine if the header value contains any invalid characters.
+     *
+     * @see    http://www.rfc-base.org/txt/rfc-2822.txt (section 2.2)
+     * @param string $value
+     * @return bool
+     */
+    public static function isValid($value)
+    {
+        $tot = strlen($value);
+        for ($i = 0; $i < $tot; $i += 1) {
+            $ord = ord($value[$i]);
+            if (($ord < 32 || $ord > 126)
+                && $ord !== 13
+            ) {
+                return false;
+            }
+
+            if ($ord === 13) {
+                if ($i + 2 >= $tot) {
+                    return false;
+                }
+
+                $lf = ord($value[$i + 1]);
+                $sp = ord($value[$i + 2]);
+
+                if ($lf !== 10 || $sp !== 32) {
+                    return false;
+                }
+
+                $i += 2;
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * Assert that the header value is valid.
+     *
+     * Raises an exception if invalid.
+     *
+     * @param string $value
+     * @throws Exception\RuntimeException
+     * @return void
+     */
+    public static function assertValid($value)
+    {
+        if (! self::isValid($value)) {
+            throw new Zend_Mail_Exception('Invalid header value detected');
+        }
+    }
+}