gnu-social/extlib/Mail/mail.php

169 lines
6.1 KiB
PHP
Raw Normal View History

<?php
/**
* internal PHP-mail() implementation of the PEAR Mail:: interface.
*
* PHP versions 4 and 5
*
* LICENSE:
*
* Copyright (c) 2010 Chuck Hagenbuch
* 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 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/
*/
/**
* internal PHP-mail() implementation of the PEAR Mail:: interface.
* @package Mail
* @version $Revision: 294747 $
*/
class Mail_mail extends Mail {
/**
* Any arguments to pass to the mail() function.
* @var string
*/
var $_params = '';
/**
* Constructor.
*
* Instantiates a new Mail_mail:: object based on the parameters
* passed in.
*
* @param array $params Extra arguments for the mail() function.
*/
function Mail_mail($params = null)
{
// The other mail implementations accept parameters as arrays.
// In the interest of being consistent, explode an array into
// a string of parameter arguments.
if (is_array($params)) {
$this->_params = join(' ', $params);
} else {
$this->_params = $params;
}
/* Because the mail() function may pass headers as command
* line arguments, we can't guarantee the use of the standard
* "\r\n" separator. Instead, we use the system's native line
* separator. */
if (defined('PHP_EOL')) {
$this->sep = PHP_EOL;
} else {
$this->sep = (strpos(PHP_OS, 'WIN') === false) ? "\n" : "\r\n";
}
}
/**
* Implements Mail_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 $body The full text of the message body, including any
* Mime parts, etc.
*
* @return mixed Returns true on success, or a PEAR_Error
* containing a descriptive error message on
* failure.
*
* @access public
*/
function send($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']);
}
// Also remove the To: header. The mail() function will add its own
// To: header based on the contents of $recipients.
unset($headers['To']);
// Flatten the headers out.
$headerElements = $this->prepareHeaders($headers);
if (is_a($headerElements, 'PEAR_Error')) {
return $headerElements;
}
list(, $text_headers) = $headerElements;
// We only use mail()'s optional fifth parameter if the additional
// parameters have been provided and we're not running in safe mode.
if (empty($this->_params) || ini_get('safe_mode')) {
$result = mail($recipients, $subject, $body, $text_headers);
} else {
$result = mail($recipients, $subject, $body, $text_headers,
$this->_params);
}
// If the mail() function returned failure, we need to create a
// PEAR_Error object and return it instead of the boolean result.
if ($result === false) {
$result = PEAR::raiseError('mail() returned failure');
}
return $result;
}
}