Initial commit

simple-v1.0-theme/Mail.php

@@ -0,0 +1,238 @@
+<?php
+//
+// +----------------------------------------------------------------------+
+// | PHP Version 4                                                        |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1997-2003 The PHP Group                                |
+// +----------------------------------------------------------------------+
+// | This source file is subject to version 2.02 of the PHP license,      |
+// | that is bundled with this package in the file LICENSE, and is        |
+// | available at through the world-wide-web at                           |
+// | http://www.php.net/license/2_02.txt.                                 |
+// | If you did not receive a copy of the PHP license and are unable to   |
+// | obtain it through the world-wide-web, please send a note to          |
+// | license@php.net so we can mail you a copy immediately.               |
+// +----------------------------------------------------------------------+
+// | Author: Chuck Hagenbuch <chuck@horde.org>                            |
+// +----------------------------------------------------------------------+
+//
+// $Id: Mail.php,v 1.17 2006/09/15 03:41:18 jon Exp $
+
+require_once 'PEAR.php';
+
+/**
+ * PEAR's Mail:: interface. Defines the interface for implementing
+ * mailers under the PEAR hierarchy, and provides supporting functions
+ * useful in multiple mailer backends.
+ *
+ * @access public
+ * @version $Revision: 1.17 $
+ * @package Mail
+ */
+class Mail
+{
+    /**
+     * Line terminator used for separating header lines.
+     * @var string
+     */
+    var $sep = "\r\n";
+
+    /**
+     * Provides an interface for generating Mail:: objects of various
+     * types
+     *
+     * @param string $driver The kind of Mail:: object to instantiate.
+     * @param array  $params The parameters to pass to the Mail:: object.
+     * @return object Mail a instance of the driver class or if fails a PEAR Error
+     * @access public
+     */
+    function &factory($driver, $params = array())
+    {
+        $driver = strtolower($driver);
+        @include_once 'Mail/' . $driver . '.php';
+        $class = 'Mail_' . $driver;
+        if (class_exists($class)) {
+            $mailer = new $class($params);
+            return $mailer;
+        } else {
+            return PEAR::raiseError('Unable to find class for driver ' . $driver);
+        }
+    }
+
+    /**
+     * Implements Mail::send() function using php's built-in mail()
+     * command.
+     *
+     * @param mixed $recipients Either a comma-seperated list of recipients
+     *              (RFC822 compliant), or an array of recipients,
+     *              each RFC822 valid. This may contain recipients not
+     *              specified in the headers, for Bcc:, resending
+     *              messages, etc.
+     *
+     * @param array $headers The array of headers to send with the mail, in an
+     *              associative array, where the array key is the
+     *              header name (ie, 'Subject'), and the array value
+     *              is the header value (ie, 'test'). The header
+     *              produced from those values would be 'Subject:
+     *              test'.
+     *
+     * @param string $body The full text of the message body, including any
+     *               Mime parts, etc.
+     *
+     * @return mixed Returns true on success, or a PEAR_Error
+     *               containing a descriptive error message on
+     *               failure.
+     * @access public
+     * @deprecated use Mail_mail::send instead
+     */
+    function send($recipients, $headers, $body)
+    {
+        $this->_sanitizeHeaders($headers);
+
+        // if we're passed an array of recipients, implode it.
+        if (is_array($recipients)) {
+            $recipients = implode(', ', $recipients);
+        }
+
+        // get the Subject out of the headers array so that we can
+        // pass it as a seperate argument to mail().
+        $subject = '';
+        if (isset($headers['Subject'])) {
+            $subject = $headers['Subject'];
+            unset($headers['Subject']);
+        }
+
+        // flatten the headers out.
+        list(,$text_headers) = Mail::prepareHeaders($headers);
+
+        return mail($recipients, $subject, $body, $text_headers);
+
+    }
+
+    /**
+     * Sanitize an array of mail headers by removing any additional header
+     * strings present in a legitimate header's value.  The goal of this
+     * filter is to prevent mail injection attacks.
+     *
+     * @param array $headers The associative array of headers to sanitize.
+     *
+     * @access private
+     */
+    function _sanitizeHeaders(&$headers)
+    {
+        foreach ($headers as $key => $value) {
+            $headers[$key] =
+                preg_replace('=((<CR>|<LF>|0x0A/%0A|0x0D/%0D|\\n|\\r)\S).*=i',
+                             null, $value);
+        }
+    }
+
+    /**
+     * Take an array of mail headers and return a string containing
+     * text usable in sending a message.
+     *
+     * @param array $headers The array of headers to prepare, in an associative
+     *              array, where the array key is the header name (ie,
+     *              'Subject'), and the array value is the header
+     *              value (ie, 'test'). The header produced from those
+     *              values would be 'Subject: test'.
+     *
+     * @return mixed Returns false if it encounters a bad address,
+     *               otherwise returns an array containing two
+     *               elements: Any From: address found in the headers,
+     *               and the plain text version of the headers.
+     * @access private
+     */
+    function prepareHeaders($headers)
+    {
+        $lines = array();
+        $from = null;
+
+        foreach ($headers as $key => $value) {
+            if (strcasecmp($key, 'From') === 0) {
+                include_once 'Mail/RFC822.php';
+                $parser = &new Mail_RFC822();
+                $addresses = $parser->parseAddressList($value, 'localhost', false);
+                if (PEAR::isError($addresses)) {
+                    return $addresses;
+                }
+
+                $from = $addresses[0]->mailbox . '@' . $addresses[0]->host;
+
+                // Reject envelope From: addresses with spaces.
+                if (strstr($from, ' ')) {
+                    return false;
+                }
+
+                $lines[] = $key . ': ' . $value;
+            } elseif (strcasecmp($key, 'Received') === 0) {
+                $received = array();
+                if (is_array($value)) {
+                    foreach ($value as $line) {
+                        $received[] = $key . ': ' . $line;
+                    }
+                }
+                else {
+                    $received[] = $key . ': ' . $value;
+                }
+                // Put Received: headers at the top.  Spam detectors often
+                // flag messages with Received: headers after the Subject:
+                // as spam.
+                $lines = array_merge($received, $lines);
+            } else {
+                // If $value is an array (i.e., a list of addresses), convert
+                // it to a comma-delimited string of its elements (addresses).
+                if (is_array($value)) {
+                    $value = implode(', ', $value);
+                }
+                $lines[] = $key . ': ' . $value;
+            }
+        }
+
+        return array($from, join($this->sep, $lines));
+    }
+
+    /**
+     * Take a set of recipients and parse them, returning an array of
+     * bare addresses (forward paths) that can be passed to sendmail
+     * or an smtp server with the rcpt to: command.
+     *
+     * @param mixed Either a comma-seperated list of recipients
+     *              (RFC822 compliant), or an array of recipients,
+     *              each RFC822 valid.
+     *
+     * @return mixed An array of forward paths (bare addresses) or a PEAR_Error
+     *               object if the address list could not be parsed.
+     * @access private
+     */
+    function parseRecipients($recipients)
+    {
+        include_once 'Mail/RFC822.php';
+
+        // if we're passed an array, assume addresses are valid and
+        // implode them before parsing.
+        if (is_array($recipients)) {
+            $recipients = implode(', ', $recipients);
+        }
+
+        // Parse recipients, leaving out all personal info. This is
+        // for smtp recipients, etc. All relevant personal information
+        // should already be in the headers.
+        $addresses = Mail_RFC822::parseAddressList($recipients, 'localhost', false);
+
+        // If parseAddressList() returned a PEAR_Error object, just return it.
+        if (PEAR::isError($addresses)) {
+            return $addresses;
+        }
+
+        $recipients = array();
+        if (is_array($addresses)) {
+            foreach ($addresses as $ob) {
+                $recipients[] = $ob->mailbox . '@' . $ob->host;
+            }
+        }
+
+        return $recipients;
+    }
+
+}