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<?php
/*
+--------------------------------------------------------------------------
| Invision Power Services Kernel [Email Functions]
| Invision Power Board
| =============================================
| by Matthew Mecham
| (c) 2001 - 2006 Invision Power Services, Inc.
| Nullified by Terabyte
| =============================================
|
+---------------------------------------------------------------------------
| THIS IS NOT FREE / OPEN SOURCE SOFTWARE
+---------------------------------------------------------------------------
|
| > Core Module
| > Module written by Matt Mecham
| > Date started: Tuesday 1st March 2005 (11:52)
|
| > Module Version Number: 2.1.0
+--------------------------------------------------------------------------
*/
/**
* IPS Kernel Pages: Email
*
* This class contains all generic PHP mail and SMTP functions
* as well as specific functions for IPB emails
*
* Example usage:
* <code>
* $email = new class_email();
* $email->email_init();
* $email->to = 'user@example.com';
* $email->from = 'from@user.com';
* $email->subject = 'Test Email';
* $email->message = 'Hello there!';
* $email->send_mail();
* </code>
*
* @package IPS_KERNEL
* @author Matt Mecham
* @copyright Invision Power Services, Inc.
* @version 2.1
*/
/**
*
*/
/**
* Email Class
*
* Methods and functions for handling emails
*
* @package IPS_KERNEL
* @author Matt Mecham
* @version 2.1
* @todo Separate out IPB content and leave a pure
* email class.
*/
class class_email
{
/**
* From email address
*
* @var string
*/
var $from = "";
/**
* To email address
*
* @var string
*/
var $to = "";
/**
* Email subject
*
* @var string
*/
var $subject = "";
/**
* Email message contents
*
* @var string
*/
var $message = "";
/**
* Attachments: Parts
*
* @var array
*/
var $parts = array();
/**
* BCC Email addresses
*
* @var array
*/
var $bcc = array();
/**
* Email headers (sep. \r\n)
*
* @var string
*/
var $mail_headers = "";
/**
* Attachments: Multi-part
*
* @var string
*/
var $multipart = "";
/**
* Attachments: Boundry
*
* @var string
*/
var $boundry = "----=_NextPart_000_0022_01C1BD6C.D0C0F9F0";
/**
* HTML email flag
*
* @var integer
*/
var $html_email = 0;
/**
* Email character set
*
* @var string
*/
var $char_set = 'iso-8859-1';
/**
* SMTP:
*
* @var boolean
*/
var $smtp_fp = FALSE;
/**
* SMTP: Message
*
* @var string
*/
var $smtp_msg = "";
/**
* SMTP: Port
*
* @var integer
*/
var $smtp_port = 25;
/**
* SMTP: Host
*
* @var string
*/
var $smtp_host = "localhost";
/**
* SMTP: Username
*
* @var string
*/
var $smtp_user = "";
/**
* SMTP: Password
*
* @var string
*/
var $smtp_pass = "";
/**
* SMTP: Return code
*
* @var string
*/
var $smtp_code = "";
/**
* SMTP: Wrap email addresses in brackets flag
*
* @var integer boolean
*/
var $wrap_brackets = 0;
/**
* Default email method (mail or smtp)
*
* @var string
*/
var $mail_method = 'mail';
/**
* Dump email to flat file for testing
*
* @var integer
*/
var $temp_dump = 0;
/**
* Error message
*
* @var string
*/
var $error_msg;
/**
* Error description
*
* @var string
*/
var $error_help;
/**
* Error flag
*
* @var string
*/
var $error;
/*-------------------------------------------------------------------------*/
// CONSTRUCTOR
/*-------------------------------------------------------------------------*/
function class_email()
{
}
/*-------------------------------------------------------------------------*/
// ADD ATTACHMENT
/*-------------------------------------------------------------------------*/
/**
* Add an attachment to the current email
*
* @param string File data
* @param string File name
* @param string File type (MIME)
* @return void
*/
function add_attachment($data = "", $name = "", $ctype='application/octet-stream')
{
$this->parts[] = array( 'ctype' => $ctype,
'data' => $data,
'encode' => 'base64',
'name' => $name
);
}
/*-------------------------------------------------------------------------*/
// BUILD HEADERS
/*-------------------------------------------------------------------------*/
/**
* Build the email headers (MIME, Charset, From, BCC, To, Subject, etc)
*
* @return void
*/
function build_headers()
{
//-----------------------------------------
// HTML (hitmuhl)
// If we're sending HTML messages, then
// we'll add the plain text message along with
// it for non HTML browsers
//-----------------------------------------
$this->pt_message = $this->message;
//-----------------------------------------
// Start mail headers
//-----------------------------------------
$this->mail_headers .= "Return-Path: ".$this->from."\n";
$this->mail_headers .= "X-Priority: 3\n";
$this->mail_headers .= "X-Mailer: IPB PHP Mailer\n";
//-----------------------------------------
// From and to...
//-----------------------------------------
$this->mail_headers .= "From: ".$this->from."\n";
if ( $this->mail_method != 'smtp' )
{
if ( count( $this->bcc ) > 1 )
{
$this->mail_headers .= "Bcc: ".implode( "," , $this->bcc ) . "\n";
}
}
else
{
if ( $this->to )
{
$this->mail_headers .= "To: ".$this->to."\n";
}
$this->mail_headers .= "Subject: ".$this->subject."\n";
}
# Start MIME headers
$this->mail_headers .= "MIME-Version: 1.0\n";
//-----------------------------------------
// Attachments?
//-----------------------------------------
if ( count ($this->parts) > 0 )
{
# Format PT message
if ( $this->html_email )
{
$this->pt_message = str_replace( "<br />", "\n", $this->pt_message );
$this->pt_message = str_replace( "<br>" , "\n", $this->pt_message );
$this->pt_message = strip_tags( $this->pt_message );
}
# Force plain text emails only
$this->html_email = 0;
# Do headers
$this->mail_headers .= "Content-type: multipart/mixed;boundary=\"".$this->boundry."\"\n\nThis is a MIME encoded message.\n\n--".$this->boundry;
}
//-----------------------------------------
// Sort out HTML / PT emails
//-----------------------------------------
if ( $this->html_email )
{
# Format PT message
$this->pt_message = str_replace( "<br />", "\n", $this->pt_message );
$this->pt_message = str_replace( "<br>" , "\n", $this->pt_message );
$this->pt_message = strip_tags( $this->pt_message );
# Do headers
$this->mail_headers .= "Content-type: multipart/alternative;boundary=\"".$this->boundry."\"\n\nThis is a MIME encoded message.\n\n--".$this->boundry;
}
//-----------------------------------------
// HTML headers...
//-----------------------------------------
# Plain text version...
$this->mail_headers .= "\nContent-Type: text/plain;\n\tcharset=\"".$this->char_set."\"\n\n".$this->pt_message."\n\n--".$this->boundry;
# HTML version
if ( $this->html_email )
{
$this->mail_headers .= "\nContent-Type: text/html;\n\tcharset=\"".$this->char_set."\"\n\n".$this->message."\n\n";
}
//-----------------------------------------
// Do the attachments last
//-----------------------------------------
if ( count ($this->parts) > 0 )
{
$this->mail_headers .= $this->build_multipart();
}
//-----------------------------------------
// Stop double printing message
//-----------------------------------------
if ( $this->html_email OR count ($this->parts) > 0 )
{
$this->message = "";
}
}
/*-------------------------------------------------------------------------*/
// BUILD MULTIPART
/*-------------------------------------------------------------------------*/
/**
* Build the multipart headers for the email
*
* @return void
*/
function build_multipart()
{
$multipart = "";
for ( $i = sizeof($this->parts) - 1 ; $i >= 0 ; $i-- )
{
$multipart .= "\n--" . $this->boundry . "\n" . $this->_encode_attachment($this->parts[$i]);
}
return $multipart;
}
/*-------------------------------------------------------------------------*/
// Send_mail:
// Physically sends the email
/*-------------------------------------------------------------------------*/
/**
* Send the mail (mail must be built by this point)
*
* @return boolean On error
*/
function send_mail()
{
//-----------------------------------------
// Wipe ya face
//-----------------------------------------
$this->to = preg_replace( "/[ \t]+/" , "" , $this->to );
$this->from = preg_replace( "/[ \t]+/" , "" , $this->from );
$this->to = preg_replace( "/,,/" , "," , $this->to );
$this->from = preg_replace( "/,,/" , "," , $this->from );
$this->to = preg_replace( "#\#\[\]'\"\(\):;/\$!£%\^&\*\{\}#" , "", $this->to );
$this->from = preg_replace( "#\#\[\]'\"\(\):;/\$!£%\^&\*\{\}#" , "", $this->from);
//-----------------------------------------
// Build headers
//-----------------------------------------
$this->build_headers();
//-----------------------------------------
// Lets go..
//-----------------------------------------
if ( ($this->from) and ($this->subject) )
{
//-----------------------------------------
// Tmp dump? (Testing)
//-----------------------------------------
if ($this->temp_dump == 1)
{
$blah = $this->subject."\n------------\n".$this->mail_headers."\n\n".$this->message;
$pathy = str_replace( '//', '/', $this->root_path.'/_mail/'.date("M-j-Y,hi-A").str_replace( '@', '+', $this->to ).".php" );
$fh = fopen ($pathy, 'w');
fputs ($fh, $blah, strlen($blah) );
fclose($fh);
}
else
{
//-----------------------------------------
// PHP MAIL()
//-----------------------------------------
if ($this->mail_method != 'smtp')
{
if ( ! @mail( $this->to, $this->subject, $this->message, $this->mail_headers, $this->extra_opts ) )
{
# Try without args for safe mode peeps
if ( ! @mail( $this->to, $this->subject, $this->message, $this->mail_headers ) )
{
$this->fatal_error("Could not send the email", "Failed at 'mail' command");
}
}
}
//-----------------------------------------
// SMTP
//-----------------------------------------
else
{
$this->smtp_send_mail();
}
}
}
else
{
$this->fatal_error("From or subject empty");
return FALSE;
}
$this->to = "";
$this->from = "";
$this->message = "";
$this->subject = "";
$this->mail_headers = "";
}
/*-------------------------------------------------------------------------*/
// SMTP: Get line
/*-------------------------------------------------------------------------*/
/**
* SMTP: Get next line
*
* @return void
*/
function smtp_get_line()
{
$this->smtp_msg = "";
while ( $line = fgets( $this->smtp_fp, 515 ) )
{
$this->smtp_msg .= $line;
if ( substr($line, 3, 1) == " " )
{
break;
}
}
}
/*-------------------------------------------------------------------------*/
// SMTP Send CMD
/*-------------------------------------------------------------------------*/
/**
* SMTP: Send command
*
* @param string SMTP command
* @return boolean
*/
function smtp_send_cmd($cmd)
{
$this->smtp_msg = "";
$this->smtp_code = "";
fputs( $this->smtp_fp, $cmd."\r\n" );
$this->smtp_get_line();
$this->smtp_code = substr( $this->smtp_msg, 0, 3 );
return $this->smtp_code == "" ? FALSE : TRUE;
}
/*-------------------------------------------------------------------------*/
// SMTP Error
/*-------------------------------------------------------------------------*/
/**
* SMTP: Error handler
*
* @param string SMTP error
* @return boolean
*/
function smtp_error($err = "")
{
$this->smtp_msg = $err;
$this->fatal_error( $err );
return FALSE;
}
/*-------------------------------------------------------------------------*/
// SMTP: Encode newlines
/*-------------------------------------------------------------------------*/
/**
* Encode data and make it safe for SMTP transport
*
* @param string Raw Data
* @return string CRLF Encoded Data
*/
function smtp_crlf_encode($data)
{
$data .= "\n";
$data = str_replace( "\n", "\r\n", str_replace( "\r", "", $data ) );
$data = str_replace( "\n.\r\n" , "\n. \r\n", $data );
return $data;
}
/*-------------------------------------------------------------------------*/
// SMTP send mail
/*-------------------------------------------------------------------------*/
/**
* SMTP: Sends the SMTP email
*
* @return void
*/
function smtp_send_mail()
{
$this->smtp_fp = @fsockopen( $this->smtp_host, intval($this->smtp_port), $errno, $errstr, 30 );
if ( ! $this->smtp_fp )
{
$this->smtp_error("Could not open a socket to the SMTP server");
return;
}
$this->smtp_get_line();
$this->smtp_code = substr( $this->smtp_msg, 0, 3 );
if ( $this->smtp_code == 220 )
{
$data = $this->smtp_crlf_encode( $this->mail_headers."\n" . $this->message);
//-----------------------------------------
// HELO!, er... HELLO!
//-----------------------------------------
$this->smtp_send_cmd("HELO ".$this->smtp_host);
if ( $this->smtp_code != 250 )
{
$this->smtp_error("HELO");
return;
}
//-----------------------------------------
// Do you like my user!
//-----------------------------------------
if ($this->smtp_user and $this->smtp_pass)
{
$this->smtp_send_cmd("AUTH LOGIN");
if ( $this->smtp_code == 334 )
{
$this->smtp_send_cmd( base64_encode($this->smtp_user) );
if ( $this->smtp_code != 334 )
{
$this->smtp_error("Username not accepted from the server");
return;
}
$this->smtp_send_cmd( base64_encode($this->smtp_pass) );
if ( $this->smtp_code != 235 )
{
$this->smtp_error("Password not accepted from the server");
return;
}
}
else
{
$this->smtp_error("This server does not support authorisation");
return;
}
}
//-----------------------------------------
// We're from MARS!
//-----------------------------------------
if ( $this->wrap_brackets )
{
if ( ! preg_match( "/^</", $this->from ) )
{
$this->from = "<".$this->from.">";
}
}
$this->smtp_send_cmd("MAIL FROM:".$this->from);
if ( $this->smtp_code != 250 )
{
$this->smtp_error();
return;
}
$to_arry = array( $this->to );
if ( count( $this->bcc ) > 0 )
{
foreach ($this->bcc as $bcc)
{
if ( preg_match( "/^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,4}|[0-9]{1,4})(\]?)$/", str_replace( " ", "", $bcc ) ) )
{
$to_arry[] = $bcc;
}
}
}
//-----------------------------------------
// You are from VENUS!
//-----------------------------------------
foreach( $to_arry as $to_email )
{
if ( $this->wrap_brackets )
{
$this->smtp_send_cmd("RCPT TO:<".$to_email.">");
}
else
{
$this->smtp_send_cmd("RCPT TO:".$to_email);
}
if ( $this->smtp_code != 250 )
{
$this->smtp_error("Incorrect email address: $to_email");
return;
break;
}
}
//-----------------------------------------
// SEND MAIL!
//-----------------------------------------
$this->smtp_send_cmd("DATA");
if ( $this->smtp_code == 354 )
{
fputs( $this->smtp_fp, $data."\r\n" );
}
else
{
$this->smtp_error("Error on write to SMTP server");
return;
}
//-----------------------------------------
// GO ON, NAFF OFF!
//-----------------------------------------
$this->smtp_send_cmd(".");
if ( $this->smtp_code != 250 )
{
$this->smtp_error();
return;
}
$this->smtp_send_cmd("quit");
if ( $this->smtp_code != 221 )
{
$this->smtp_error();
return;
}
//-----------------------------------------
// Tubby-bye-bye!
//-----------------------------------------
@fclose( $this->smtp_fp );
}
else
{
$this->smtp_error();
return;
}
}
/*-------------------------------------------------------------------------*/
// FATAL ERROR : RETURN
/*-------------------------------------------------------------------------*/
/**
* Fatal error handler
*
* @param string Error Message
* @param string Error Help / Description
* @return boolean
*/
function fatal_error($msg, $help="")
{
$this->error_msg = $msg;
$this->error_help = $help;
return FALSE;
}
/*-------------------------------------------------------------------------*/
// ENCODE ATTACHMENT
/*-------------------------------------------------------------------------*/
/**
* Encode an attachment
*
* @param string Raw data
* @return string Processed data
*/
function _encode_attachment($part)
{
$msg = chunk_split(base64_encode($part['data']));
return "Content-Type: ".$part['ctype']. ($part['name'] ? ";\n\tname =\"".$part['name']."\"" : "").
"\nContent-Transfer-Encoding: ".$part['encode']."\nContent-Disposition: attachment;\n\tfilename=\"".$part['name']."\"\n\n".$msg."\n";
}
}
?>