--- /dev/null
+<?php
+/**
+ * PEAR's Mail:: interface.
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2002-2007, Richard Heyes
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * o Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * o Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * o The names of the authors may not be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @category Mail
+ * @package Mail
+ * @author Chuck Hagenbuch <chuck@horde.org>
+ * @copyright 1997-2010 Chuck Hagenbuch
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version CVS: $Id: Mail.php 294747 2010-02-08 08:18:33Z clockwerx $
+ * @link http://pear.php.net/package/Mail/
+ */
+
+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: 294747 $
+ * @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, $body)
+ {
+ if (!is_array($headers)) {
+ return PEAR::raiseError('$headers must be an array');
+ }
+
+ $result = $this->_sanitizeHeaders($headers);
+ if (is_a($result, 'PEAR_Error')) {
+ return $result;
+ }
+
+ // if we're passed an array of recipients, implode it.
+ if (is_array($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 (is_a($addresses, 'PEAR_Error')) {
+ 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 (is_a($addresses, 'PEAR_Error')) {
+ return $addresses;
+ }
+
+ $recipients = array();
+ if (is_array($addresses)) {
+ foreach ($addresses as $ob) {
+ $recipients[] = $ob->mailbox . '@' . $ob->host;
+ }
+ }
+
+ return $recipients;
+ }
+
+}
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