Files
iTop/core/email.class.inc.php
2012-02-10 12:42:34 +00:00

242 lines
7.5 KiB
PHP

<?php
// Copyright (C) 2010 Combodo SARL
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 3 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
/**
* Send an mail (for notification, testing,... purposes)
* #@# TODO - replace by a more sophisticated mean (and update the prototype)
*
* @author Erwan Taloc <erwan.taloc@combodo.com>
* @author Romain Quetiez <romain.quetiez@combodo.com>
* @author Denis Flaven <denis.flaven@combodo.com>
* @license http://www.opensource.org/licenses/gpl-3.0.html LGPL
*/
define ('EMAIL_SEND_OK', 0);
define ('EMAIL_SEND_PENDING', 1);
define ('EMAIL_SEND_ERROR', 2);
class EMail
{
protected $m_sBody;
protected $m_sSubject;
protected $m_sTo;
protected $m_aHeaders; // array of key=>value
protected $m_aAttachments;
public function __construct($sTo = '', $sSubject = '', $sBody = '', $aHeaders = array())
{
$this->m_sTo = $sTo;
$this->m_sSubject = $sSubject;
$this->m_sBody = $sBody;
$this->m_aHeaders = $aHeaders;
$this->m_aAttachments = array();
}
// Errors management : not that simple because we need that function to be
// executed in the background, while making sure that any issue would be reported clearly
protected $m_aMailErrors; //array of strings explaining the issues
public function mail_error_handler($errno, $errstr, $errfile, $errline)
{
$sCleanMessage= str_replace("mail() [<a href='function.mail'>function.mail</a>]: ", "", $errstr);
$this->m_aMailErrors[] = $sCleanMessage;
}
protected function SendAsynchronous(&$aIssues, $oLog = null)
{
try
{
AsyncSendEmail::AddToQueue($this->m_sTo, $this->m_sSubject, $this->m_sBody, $this->m_aHeaders, $oLog);
}
catch(Exception $e)
{
$aIssues = array($e->GetMessage());
return EMAIL_SEND_ERROR;
}
$aIssues = array();
return EMAIL_SEND_PENDING;
}
protected function SendSynchronous(&$aIssues, $oLog = null)
{
$sHeaders = 'MIME-Version: 1.0' . "\r\n";
// ! the case is important for MS-Outlook
if (!array_key_exists('Content-Type', $this->m_aHeaders))
{
$sHeaders .= 'Content-Type: text/html; charset=UTF-8' . "\r\n";
}
if (!array_key_exists('Content-Transfer-Encoding', $this->m_aHeaders))
{
$sHeaders .= 'Content-Transfer-Encoding: 8bit' . "\r\n";
}
foreach ($this->m_aHeaders as $sKey => $sValue)
{
$sHeaders .= "$sKey: $sValue\r\n";
}
// Under Windows (not yet proven for Linux/PHP) mail may issue a warning
// that I could not mask (tried error_reporting(), etc.)
$this->m_aMailErrors = array();
set_error_handler(array($this, 'mail_error_handler'));
$bRes = mail
(
str_replace(array("\n", "\r"), ' ', $this->m_sTo), // Prevent header injection
$this->EncodeHeaderField($this->m_sSubject), // Prevent header injection & MIME Encode charsets
$this->m_sBody,
$sHeaders
);
restore_error_handler();
if (!$bRes && empty($this->m_aMailErrors))
{
$this->m_aMailErrors[] = 'Unknown reason';
}
if (count($this->m_aMailErrors) > 0)
{
$aIssues = $this->m_aMailErrors;
return EMAIL_SEND_ERROR;
}
else
{
$aIssues = array();
return EMAIL_SEND_OK;
}
}
public function Send(&$aIssues, $bForceSynchronous = false, $oLog = null)
{
$this->BuildMessage(); // assemble the attachments into the header/body structure
if ($bForceSynchronous)
{
return $this->SendSynchronous($aIssues, $oLog);
}
else
{
$bConfigASYNC = MetaModel::GetConfig()->Get('email_asynchronous');
if ($bConfigASYNC)
{
return $this->SendAsynchronous($aIssues, $oLog);
}
else
{
return $this->SendSynchronous($aIssues, $oLog);
}
}
}
public function AddToHeader($sKey, $sValue)
{
if (strlen($sValue) > 0)
{
$this->m_aHeaders[$sKey] = $sValue;
}
}
public function SetMessageId($sId)
{
$this->AddToHeader('Message-ID', $sId);
}
public function SetReferences($sReferences)
{
$this->AddToHeader('References', $sReferences);
}
public function SetBody($sBody)
{
$this->m_sBody = $sBody;
}
public function SetSubject($aSubject)
{
$this->m_sSubject = $aSubject;
}
public function SetRecipientTO($sAddress)
{
$this->m_sTo = $sAddress;
}
public function SetRecipientCC($sAddress)
{
$this->AddToHeader('Cc', $sAddress);
}
public function SetRecipientBCC($sAddress)
{
$this->AddToHeader('Bcc', $sAddress);
}
public function SetRecipientFrom($sAddress)
{
$this->AddToHeader('From', $sAddress);
// This is required on Windows because otherwise I would get the error
// "sendmail_from" not set in php.ini" even if it is correctly working
// (apparently, once it worked the SMTP server won't claim anymore for it)
ini_set("sendmail_from", $sAddress);
}
public function SetRecipientReplyTo($sAddress)
{
$this->AddToHeader('Reply-To', $sAddress);
}
public function AddAttachment($data, $sFileName, $sMimeType)
{
$this->m_aAttachments[] = array('data' => $data, 'filename' => $sFileName, 'mimeType' => $sMimeType);
}
/**
* Takes care of the attachments (if any) to build the header/body of the message before storing or sending it
*/
protected function BuildMessage()
{
if (count($this->m_aAttachments) == 0) return; // Nothing to do if there are no attachments
$sDelimiter = '== iTopEmailPart---'.md5(date('r', time()))." ==";
$sContentType = isset($this->m_aHeaders['Content-Type']) ? $this->m_aHeaders['Content-Type'] : 'text/html; charset="UTF-8"';
$sContentHeader = "Content-Type: $sContentType\r\n";
$this->m_aHeaders['Content-Type'] = "multipart/mixed; boundary=\"{$sDelimiter}\"";
$aAttachments = array();
foreach($this->m_aAttachments as $aAttach)
{
$sAttachmentHeader = "Content-Type: {$aAttach['mimeType']};\r\n Name=\"{$aAttach['filename']}\"\r\n";
$sAttachmentHeader .= "Content-Transfer-Encoding: base64\r\nContent-Disposition: attachment;\r\n filename=\"{$aAttach['filename']}\"\r\n";
$sAttachmentHeader .= "\r\n";
$sAttachment = chunk_split(base64_encode($aAttach['data']));
$aAttachments[] = $sAttachmentHeader.$sAttachment."\r\n";
}
$this->m_sBody = "This is a multi-part message in MIME format.\r\n--".$sDelimiter."\r\n".$sContentHeader."\r\n".$this->m_sBody."\r\n--".$sDelimiter."\r\n";
$this->m_sBody .= implode("--".$sDelimiter."\r\n", $aAttachments);
$this->m_sBody .= "--".$sDelimiter."--";
}
/**
* MIME encode the content of a header field according to RFC2047
* @param string $sFieldContent the content of the header to encode
* @return string The encoded string
*/
protected function EncodeHeaderField($sFieldContent)
{
$sTemp = str_replace(array("\n", "\r"), ' ', $sFieldContent);
$sTemp = iconv_mime_encode('Tagada', $sTemp, array('scheme' => 'Q', 'input-charset' => 'UTF-8', 'output-charset' => 'UTF-8'));
return preg_replace('/^Tagada: /', '', $sTemp);
}
}
?>