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| <?php
class email {
#Init------------------------------------------------------------------------------------------
function __construct() {
#import settings
include_once("settings.php");
}
#Send email ------------------------------------------------------------------------------------
function send_email($from, $to, $subject, $text, $html=false ,$attachment_content=false, $attachment_mimetype=false, $attachment_filename=false ) {
#init
$mime_boundary=md5(time());
$message = "";
#clean up both email addresses
#extract from email address
if ( !ereg("<", $from) ) { $from_email = $from; }
else { $from_email = str_replace(">", "",substr($from,strpos($from, "<")+1)); }
#clean up email addresses
if ( ereg("<", $from) ) { $from = str_replace($from_mail, str_replace(" ", "", $from_mail), $from); }
else { $from = str_replace(" ", "", $from); }
$to = str_replace(" ", "", $to);
#check if both email addresses are valid
if ( !$this->validate_email($from_email) || !$this->validate_email($to) ) { return false; }
#check if server is running on windows, macintosh or linux and define end of lines
$eol = $this->get_eol();
#compile headers
$headers = "From: " . $from . $eol;
$headers .= "Reply-To: " . $from . $eol;
$headers .= "Return-Path: " . $from . $eol;
$headers .= "Message-ID: <" . time() . " server@" . $_SERVER['SERVER_NAME'] . ">" . $eol;
$headers .= "X-Mailer: PHP v" . phpversion() . $eol;
$headers .= "MIME-Version: 1.0" . $eol;
if ( $attachment_content ) { $headers .= "Content-Type: multipart/related; boundary=\"" . $mime_boundary . "\"" . $eol; }
elseif ( !$html ) {
$headers .= "Content-Type: text/plain; charset=utf-8" . $eol;
$headers .= "Content-Transfer-Encoding: 8bit" . $eol;
}
else {
$headers .= "Content-Type: text/html; charset=utf-8" . $eol;
$headers .= "Content-Transfer-Encoding: 8bit" . $eol;
}
#compile attachment
if ( $attachment_content ) {
$message .= "--" . $mime_boundary . $eol;
$message .= "Content-Type: ".$attachment_mimetype . "; name=\"" . $attachment_filename . "\"" . $eol;
$message .= "Content-Transfer-Encoding: base64".$eol;
$message .= "Content-Disposition: attachment; filename=\"" . $attachment_filename . "\"" . $eol.$eol;
$message .= $attachment_content . $eol . $eol;
$message .= "--".$mime_boundary.$eol;
if ( !$html ) {
$message .= "Content-Type: text/plain; charset=iso-8859-1" . $eol;
$message .= "Content-Transfer-Encoding: 8bit" . $eol;
}
else {
$message .= "Content-Type: text/html; charset=iso-8859-1" . $eol;
$message .= "Content-Transfer-Encoding: 8bit" . $eol;
}
}
#add content
$message .= $text . $eol;
#close multipart if attachment
if ( $attachment_content ) { $message .= "--" . $mime_boundary . "--" . $eol . $eol; }
#check if sendmail can be used
if ( $this->settings['email_use_sendmail'] == "1" ) {
ini_set(sendmail_from,$from);
mail($to, $subject, $message, $headers);
ini_restore(sendmail_from);
}
#else use SMTP
elseif ( $this->settings['email_use_smtp'] == "1" ) {
#connect
$handle = $this->smtp_connect($this->settings['mail_server'], $this->settings['mail_port'], 30, 1, 1, 1);
#setup mail
$this->smtp_command($handle, "HELO web" . $eol, 1, 1);
$this->smtp_command($handle, "MAIL FROM: ". $from . $eol, 1, 1);
$this->smtp_command($handle, "RCPT TO: ". $to . $eol, 1, 1);
$this->smtp_command($handle, "DATA". $eol, 1, 1);
$this->smtp_command($handle, $message . $eol . "." . $eol, 1, 1);
$this->smtp_command($handle, "QUIT". $eol, 1, 1);
#close
$this->smtp_close($handle);
#return
return true;
}
#return false
else { return false; }
}
#Connect to SMTP-Server--------------------------------------------------------------------------
function smtp_connect($host, $port, $timeout=30) {
#connect
$handle = fsockopen($host, $port, $errno, $errstr, $timeout);
#wait for response from server
if(!$handle) { return false; }
$response = fgets($handle,1);
$bytes_left = socket_get_status($handle);
if ($bytes_left > 0) { $response .= fread($handle, "10000"); }
#return
return $handle;
}
#Send command to SMTP-Server using SOCKS-------------------------------------------------------
function smtp_command($handle, $command) {
#execute command
fputs($handle, $command);
#wait for response
$response = fgets($handle,1);
$bytes_left = socket_get_status($handle);
if ($bytes_left > 0) { $response .= fread($handle, "10000"); }
echo $command . " : " . $response;
}
#Close connection with SMTP-Server-------------------------------------------------------------
function smtp_close($handle) { fclose($handle); }
#Check if email is valid-----------------------------------------------------------------------
function validate_email($email) {
if ( eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$", $email) ) { return true; }
else { return false; }
}
#set end-of-line depending on server OS--------------------------------------------------------
function get_eol() {
#windows
if (strtoupper(substr(PHP_OS,0,3)=='WIN')) { return "\r\n"; }
#mac
elseif (strtoupper(substr(PHP_OS,0,3)=='MAC')) { return "\r";}
#linux
else { return "\n";}
}
} |
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