forked from GNUsocial/gnu-social
271 lines
9.7 KiB
PHP
271 lines
9.7 KiB
PHP
<?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;
|
|
}
|
|
|
|
}
|