includes/email.php
author Dan
Wed, 15 Apr 2009 22:53:03 -0400
changeset 925 173aef60c13c
parent 801 eb8b23f11744
child 1081 745200a9cc2a
permissions -rw-r--r--
Added the linked-to page of the tutorial (it is, however, a stub at this point)
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<?php
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/*
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 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
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eb8b23f11744 Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
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 * Version 1.1.6 (Caoineag beta 1)
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218a627eb53e Rebrand as 1.1.4 (Caoineag alpha 4)
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 * Copyright (C) 2006-2008 Dan Fuhry
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 *
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 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
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 * 
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 * The "emailer" class was ported from phpBB 2.0. Copyright (C) 2002-2006 phpBB Group. phpBB is licensed under the GPLv2.
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 */
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//
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// The emailer class has support for attaching files, that isn't implemented
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// in the 2.0 release but we can probable find some way of using it in a future
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// release
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//
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class emailer
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{
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  var $msg, $subject, $extra_headers;
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  var $addresses, $reply_to, $from;
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  var $use_smtp;
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  var $tpl_msg;
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  function __construct($use_smtp)
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  {
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    $this->reset();
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    $this->use_smtp = $use_smtp;
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    $this->reply_to = $this->from = '';
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  }
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  // Resets all the data (address, template file, etc etc to default
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  function reset()
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  {
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    $this->addresses = array();
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    $this->vars = $this->msg = $this->extra_headers = '';
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  }
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  // Sets an email address to send to
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  function email_address($address)
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  {
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    $this->addresses['to'] = trim($address);
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  }
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  function cc($address)
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  {
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    $this->addresses['cc'][] = trim($address);
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  }
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  function bcc($address)
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  {
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    $this->addresses['bcc'][] = trim($address);
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  }
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  function replyto($address)
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  {
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    $this->reply_to = trim($address);
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  }
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  function from($address)
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  {
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    $this->from = trim($address);
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  }
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  // set up subject for mail
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  function set_subject($subject = '')
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  {
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    $this->subject = trim(preg_replace('#[\n\r]+#s', '', $subject));
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  }
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  // set up extra mail headers
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  function extra_headers($headers)
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  {
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    $this->extra_headers .= trim($headers) . "\n";
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  }
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  function use_template($template_code)
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  {
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    global $db, $session, $paths, $template, $plugins; // Common objects
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    $this->tpl_msg = $template->makeParserText($template_code);
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    return true;
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  }
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  // assign variables
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  function assign_vars($vars)
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  {
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    if ( is_object($this->tpl_msg) )
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    {
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      $this->tpl_msg->assign_vars($vars);
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    }
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    else
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    {
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      die_friendly(GENERAL_ERROR, 'Can\'t set vars, the template is not set');
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    }
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  }
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  // Send the mail out to the recipients set previously in var $this->address
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  function send()
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  {
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    global $db, $session, $paths, $template, $plugins; // Common objects
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    $this->msg = $this->tpl_msg->run();
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    if ( empty($this->msg) )
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    {
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      die_friendly(GENERAL_ERROR, 'Template for e-mail message returned a blank');
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    }
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    // We now try and pull a subject from the email body ... if it exists,
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    // do this here because the subject may contain a variable
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    $drop_header = '';
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    $match = array();
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    if (preg_match('#^(Subject:(.*?))$#m', $this->msg, $match))
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    {
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      $this->subject = (trim($match[2]) != '') ? trim($match[2]) : (($this->subject != '') ? $this->subject : 'No Subject');
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      $drop_header .= '[\r\n]*?' . preg_quote($match[1], '#');
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    }
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    else
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    {
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      $this->subject = (($this->subject != '') ? $this->subject : 'No Subject');
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    }
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    if (preg_match('#^(Charset:(.*?))$#m', $this->msg, $match))
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    {
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      $this->encoding = (trim($match[2]) != '') ? trim($match[2]) : trim('iso-8859-1');
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      $drop_header .= '[\r\n]*?' . preg_quote($match[1], '#');
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    }
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    else
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    {
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      $this->encoding = trim('iso-8859-1');
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    }
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    if ($drop_header != '')
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    {
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      $this->msg = trim(preg_replace('#' . $drop_header . '#s', '', $this->msg));
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    }
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    $to = $this->addresses['to'];
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    $cc = (count($this->addresses['cc'])) ? implode(', ', $this->addresses['cc']) : '';
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    $bcc = (count($this->addresses['bcc'])) ? implode(', ', $this->addresses['bcc']) : '';
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    // Build header
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    $this->extra_headers = (($this->reply_to != '') ? "Reply-to: $this->reply_to\n" : '') .
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                           (($this->from != '') ? "From: $this->from\n" : "From: " . getConfig('contact_email') . "\n") .
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                           "Return-Path: " . getConfig('contact_email') .
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                           "\nMessage-ID: <" . md5(uniqid(time())) . "@" . $_SERVER['SERVER_NAME'] . ">\nMIME-Version: 1.0\nContent-type: text/plain; charset=" . $this->encoding .
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                           "\nContent-transfer-encoding: 8bit\nDate: " . enano_date('r', time()) .
1
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                           "\nX-Priority: 3\nX-MSMail-Priority: Normal\nX-Mailer: PHP\nX-MimeOLE: Produced By Enano CMS\n" .
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                           $this->extra_headers .
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                           (($cc != '') ? "Cc: $cc\n" : '')  .
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                           (($bcc != '') ? "Bcc: $bcc\n" : '');
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    //die('<pre>'.print_r($this,true).'</pre>');
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    // Send message ... removed $this->encode() from subject for time being
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    if ( $this->use_smtp )
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    {
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      $result = smtp_send_email_core($to, $this->subject, $this->msg, $this->extra_headers);
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    }
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    else
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    {
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      $empty_to_header = ($to == '') ? TRUE : FALSE;
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      $to = ($to == '') ? ((getConfig('sendmail_fix')=='1') ? ' ' : 'Undisclosed-recipients:;') : $to;
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      $result = @mail($to, $this->subject, preg_replace("#(?<!\r)\n#s", "\n", $this->msg), $this->extra_headers);
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      if (!$result && !getConfig('sendmail_fix') && $empty_to_header)
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      {
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        $to = ' ';
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        setConfig('sendmail_fix', '1');
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        $result = @mail($to, $this->subject, preg_replace("#(?<!\r)\n#s", "\n", $this->msg), $this->extra_headers);
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      }
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    }
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    // Did it work?
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    if (!$result || ( $this->use_smtp && $result != 'success' ))
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    {
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      die_friendly(GENERAL_ERROR, 'Failed sending email :: ' . (($this->use_smtp) ? 'SMTP' : 'PHP') . ' :: ' . $result);
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    }
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    return true;
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  }
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  // Encodes the given string for proper display for this encoding ... nabbed 
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  // from php.net and modified. There is an alternative encoding method which 
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  // may produce lesd output but it's questionable as to its worth in this 
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  // scenario IMO
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  function encode($str)
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  {
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    if ($this->encoding == '')
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    {
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      return $str;
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    }
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    // define start delimimter, end delimiter and spacer
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    $end = "?=";
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    $start = "=?$this->encoding?B?";
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    $spacer = "$end\r\n $start";
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    // determine length of encoded text within chunks and ensure length is even
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    $length = 75 - strlen($start) - strlen($end);
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    $length = floor($length / 2) * 2;
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    // encode the string and split it into chunks with spacers after each chunk
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    $str = chunk_split(base64_encode($str), $length, $spacer);
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    // remove trailing spacer and add start and end delimiters
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    $str = preg_replace('#' . preg_quote($spacer, '#') . '$#', '', $str);
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    return $start . $str . $end;
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  }
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  //
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  // Attach files via MIME.
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  //
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  function attachFile($filename, $mimetype = "application/octet-stream", $szFromAddress, $szFilenameToDisplay)
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  {
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    global $lang;
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    $mime_boundary = "--==================_846811060==_";
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    $this->msg = '--' . $mime_boundary . "\nContent-Type: text/plain;\n\tcharset=".'"' . $lang['ENCODING'] . '"'."\n\n" . $this->msg;
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    if ($mime_filename)
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    {
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      $filename = $mime_filename;
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      $encoded = $this->encode_file($filename);
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    }
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    $fd = fopen($filename, "r");
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    $contents = fread($fd, filesize($filename));
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    $this->mimeOut = "--" . $mime_boundary . "\n";
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    $this->mimeOut .= "Content-Type: " . $mimetype . ";\n\tname=".'"'."$szFilenameToDisplay".'"'."\n";
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    $this->mimeOut .= "Content-Transfer-Encoding: quoted-printable\n";
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    $this->mimeOut .= "Content-Disposition: attachment;\n\tfilename=".'"'."$szFilenameToDisplay".'"'."\n\n";
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    if ( $mimetype == "message/rfc822" )
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    {
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      $this->mimeOut .= "From: ".$szFromAddress."\n";
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      $this->mimeOut .= "To: ".$this->emailAddress."\n";
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      $this->mimeOut .= "Date: ".enano_date("D, d M Y H:i:s") . " UT\n";
1
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      $this->mimeOut .= "Reply-To:".$szFromAddress."\n";
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      $this->mimeOut .= "Subject: ".$this->mailSubject."\n";
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      $this->mimeOut .= "X-Mailer: PHP/".phpversion()."\n";
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      $this->mimeOut .= "MIME-Version: 1.0\n";
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    }
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    $this->mimeOut .= $contents."\n";
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    $this->mimeOut .= "--" . $mime_boundary . "--" . "\n";
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    return $out;
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    // added -- to notify email client attachment is done
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  }
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  function getMimeHeaders($filename, $mime_filename="")
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  {
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    $mime_boundary = "--==================_846811060==_";
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    if ($mime_filename)
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    {
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      $filename = $mime_filename;
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    }
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    $out = "MIME-Version: 1.0\n";
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    $out .= "Content-Type: multipart/mixed;\n\tboundary=".'"'."$mime_boundary".'"'."\n\n";
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    $out .= "This message is in MIME format. Since your mail reader does not understand\n";
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    $out .= "this format, some or all of this message may not be legible.";
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    return $out;
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  }
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  //
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   // Split string by RFC 2045 semantics (76 chars per line, end with \r\n).
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  //
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  function myChunkSplit($str)
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  {
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    $stmp = $str;
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    $len = strlen($stmp);
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    $out = "";
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    while ($len > 0)
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    {
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      if ($len >= 76)
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      {
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        $out .= substr($stmp, 0, 76) . "\r\n";
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        $stmp = substr($stmp, 76);
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   296
        $len = $len - 76;
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dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   297
      }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   298
      else
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   299
      {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   300
        $out .= $stmp . "\r\n";
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   301
        $stmp = "";
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   302
        $len = 0;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   303
      }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   304
    }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   305
    return $out;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   306
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   307
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   308
  //
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   309
   // Split the specified file up into a string and return it
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dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   310
  //
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   311
  function encode_file($sourcefile)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   312
  {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   313
    if (is_readable(@realpath($sourcefile)))
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   314
    {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   315
      $fd = fopen($sourcefile, "r");
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   316
      $contents = fread($fd, filesize($sourcefile));
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   317
        $encoded = $this->myChunkSplit(base64_encode($contents));
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   318
        fclose($fd);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   319
    }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   320
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   321
    return $encoded;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   322
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   323
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   324
} // class emailer
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   325
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   326
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   327
/**
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   328
 * This code is copyright (C) 2004 Jim Tucek
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   329
 * PHP version ported from Javascript by Dan Fuhry
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   330
 * All rights reserved.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   331
 * @link http://www.jracademy.com/~jtucek/email/
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   332
 * @license GNU General Public License v2, permission obtained specifically for Enano
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   333
 */
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   334
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   335
class EmailEncryptor
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   336
{
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   337
 
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   338
  var $primes = Array(2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   339
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   340
  function __construct()
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   341
  {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   342
    $i = 0;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   343
    $this->p = 0;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   344
    $this->q = 0;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   345
    while($this->p * $this->q < 255 || $this->p == $this->q)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   346
    {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   347
      $this->p = $this->primes[mt_rand(0, sizeof($this->primes)-1)];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   348
      $this->q = $this->primes[mt_rand(0, sizeof($this->primes)-1)];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   349
    }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   350
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   351
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   352
  function testAll() {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   353
    $size = sizeof($this->primes);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   354
    
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   355
    $allCharacters = "";
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   356
    for($c = 33; $c <= 126; $c++)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   357
      $allCharacters = $allCharacters . $this->fromCharCode($c);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   358
    
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   359
    for($i = 0; $i < $size - 1; $i++) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   360
      for($j = $i + 1; $j < $size; $j++) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   361
        $this->p = $this->primes[$i];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   362
        $this->q = $this->primes[$j];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   363
        if($this->p*$this->q < 255)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   364
          break;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   365
        $k = $this->makeKey($allCharacters);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   366
        $encrypted = $k['X'];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   367
        $decrypted = $this->goForth($encrypted,$this->p*$this->q,$k['D']);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   368
        if($decrypted != $allCharacters) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   369
          die('Test failed');
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   370
        }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   371
      }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   372
    }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   373
    return 'GOOD';
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   374
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   375
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   376
  function charCodeAt($str, $i)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   377
  {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   378
    return ord(substr($str, $i, 1));
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   379
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   380
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   381
  function fromCharCode($str)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   382
  {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   383
    return chr($str);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   384
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   385
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   386
  function MakeArray($l) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   387
    $a = Array();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   388
    $i=0;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   389
    do {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   390
      $a[$i]=null;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   391
      $i++;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   392
    } while($i < $l);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   393
    return $a;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   394
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   395
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   396
  function makeKey($addr,$subj = '',$body = '') {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   397
    $value = "";
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   398
    
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   399
    if($this->p * $this->q < 255)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   400
    {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   401
      return("P*Q must be greater than 255! P*Q = " . $this->p*$this->q);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   402
    }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   403
    elseif($this->p == $this->q)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   404
    {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   405
      return("P cannot be equal to Q!");
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   406
    }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   407
    elseif($addr == "")
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   408
    {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   409
      return("You must enter an address to encrypt!");
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   410
    }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   411
    else
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   412
    {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   413
      // Make the key
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   414
      $c = 0;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   415
      $z = ($this->p-1)*($this->q-1);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   416
      $e = 0;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   417
      $n = $this->p*$this->q;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   418
      $d = 0;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   419
    
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   420
      do {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   421
        $e++;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   422
        $d = $this->getKey($this->primes[$e],$z);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   423
      } while($d==1);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   424
      $e = $this->primes[$e];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   425
      
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   426
      // Turn the string into an array of numbers < 255
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   427
      $m = $addr;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   428
      $emailLength = strlen($m);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   429
      $justEmail = "";
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   430
      $sep = ( strstr('?', $m) ) ? '&' : '?';
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   431
      if($subj != "") {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   432
        $m = $m . "{$sep}subject=" . $subj;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   433
      }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   434
      $sep = ( strstr($m, '?') ) ? '&' : '?';
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   435
      if($body != "") {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   436
        $m = $m . "{$sep}body=" . $body;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   437
      }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   438
    
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   439
      $length = strlen($m);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   440
      $theString = $this->MakeArray($length);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   441
      for($i = 0; $i < $length; $i++) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   442
        $theString[$i] = $this->charCodeAt($m, $i);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   443
      }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   444
      
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   445
      // Encrypt each of the numbers
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   446
      $theCode = $this->MakeArray($length);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   447
      $c = "";
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   448
      $temp = 0;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   449
      for($i = 0; $i < $length; $i++) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   450
        if($i != 0)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   451
          $c .= " ";
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   452
        $temp = $this->myMod($theString[$i],$e,$n);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   453
        $theCode[$i] = $temp;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   454
        $c .= $temp;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   455
        if($i == $emailLength - 1)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   456
          $justEmail = $c;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   457
      }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   458
    }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   459
    return Array('X'=>$justEmail, 'N'=>$n, 'D'=>$d, 'E'=>$e, 'C'=>$c, 'M'=>$m);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   460
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   461
    
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   462
  // Finds x^e % y for large values of (x^e)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   463
  function myMod($x,$e,$y) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   464
    if ($e % 2 == 0) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   465
      $answer = 1;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   466
      for($i = 1; $i <= e/2; $i++) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   467
        $temp = ($x*$x) % $y;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   468
        $answer = ($temp*$answer) % $y;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   469
      }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   470
    } else {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   471
      $answer = $x;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   472
      for($i = 1; $i <= $e/2; $i++) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   473
        $temp = ($x*$x) % $y;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   474
        $answer = ($temp*$answer) % $y;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   475
      }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   476
    }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   477
    return $answer;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   478
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   479
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   480
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   481
  function getKey($e,$z) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   482
    $A = 1;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   483
    $B = 0;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   484
    $C = $z;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   485
    $F = 0;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   486
    $G = 1;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   487
    $bar = $e;    
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   488
    // Euclid's Algorithm:
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   489
    while ($bar != 0) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   490
      $foo = floor($C/$bar);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   491
      $K = $A - $foo * $F;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   492
      $L = $B - $foo * $G;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   493
      $M = $C - $foo * $bar;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   494
      $A = $F;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   495
      $B = $G;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   496
      $C = $bar;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   497
      $F = $K;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   498
      $G = $L;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   499
      $bar = $M;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   500
    }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   501
    if ($B < 0)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   502
    {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   503
      return ($B + $z);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   504
    }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   505
    else
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   506
    {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   507
      return ($B);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   508
    }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   509
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   510
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   511
  function goForth($c,$n,$d) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   512
    $c .= " "; 
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   513
    $length = strlen($c);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   514
    $number = 0;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   515
    $bar = 0;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   516
    $answer = "";
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   517
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   518
    for($i = 0; $i < $length; $i++) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   519
      $number = 0;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   520
      $bar = 0;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   521
      while($this->charCodeAt($c, $i) != 32) { 
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   522
        $number = $number * 10;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   523
        $number = $number + $this->charCodeAt($c, $i)-48;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   524
        $i++;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   525
      }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   526
      $answer .= $this->fromCharCode($this->decrypt($number,$n,$d));
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   527
    }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   528
    return $answer;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   529
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   530
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   531
  function decrypt($c,$n,$d) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   532
    // Split exponents up
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   533
    if ($d % 2== 0) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   534
      $bar = 1;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   535
      for($i = 1; $i <= $d/2; $i++) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   536
        $foo = ($c*$c) % $n;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   537
        $bar = ($foo*$bar) % $n;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   538
      }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   539
    } else {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   540
      $bar = $c;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   541
      for($i = 1; $i <= $d/2; $i++) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   542
        $foo = ($c*$c) % $n;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   543
        $bar = ($foo*$bar) % $n;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   544
      }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   545
    }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   546
    return $bar;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   547
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   548
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   549
  function writeOptions() {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   550
    $size = sizeof($this->primes);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   551
    for($i = 0; $i < $size; $i++)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   552
      echo("<option value=".'"'.""+$this->primes[$i]+"".'"'.">"+$this->primes[$i]+"</option>");
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   553
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   554
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   555
  function jscode() {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   556
    return "<script type='text/javascript'>\n// <![CDATA[\nfunction dive(absorption,alchemy,friendship) { absorption += ' '; var file = absorption.length; var sand = 0; var closet = ''; for(var assistant = 0; assistant < file; assistant++) { sand = 0; while(absorption.charCodeAt(assistant) != 32) { sand = sand * 10; sand = sand + absorption.charCodeAt(assistant)-48; assistant++; } closet += String.fromCharCode(say(sand,alchemy,friendship)); } parent.location = 'm'+'a'+'i'+'l'+'t'+'o'+':'+closet; }; function forbid(landing,atmosphere,aviation) { landing += ' '; var kiss = landing.length; var coordinated = 0; for(var day = 0; day < kiss; day++) { coordinated = 0; while(landing.charCodeAt(day) != 32) { coordinated = coordinated * 10; coordinated = coordinated + landing.charCodeAt(day)-48; day++; } document.write(String.fromCharCode(say(coordinated,atmosphere,aviation))); }; }; function say(scene,photograph,fraction) { if (fraction % 2 == 0) { integrity = 1; for(var male = 1; male <= fraction/2; male++) { moon = (scene*scene) % photograph; integrity = (moon*integrity) % photograph; } } else { integrity = scene; for(var night = 1; night <= fraction/2; night++) { moon = (scene*scene) % photograph; integrity = (moon*integrity) % photograph; }; }; return integrity; };\n// ]]>\n</script>";
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   557
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   558
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   559
  /**
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   560
   * Wrapper - spits out ready-to-use HTML
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   561
   * @param string $address The e-mail address
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   562
   * @param string $subject The subject of the e-mail. OPTIONAL.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   563
   * @param string $body The main content of the e-mail. OPTIONAL and doesn't work in many e-mail clients.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   564
   * @param string $text The text to be shown on the e-mail link. Leave as false to make the e-mail address be shown in the link (but still fully encrypted)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   565
   */
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   566
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   567
  function encryptEmail($address, $subject = '', $body = '', $text = false)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   568
  {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   569
    $key = $this->makeKey($address, $subject, $body);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   570
    if ( $text )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   571
    {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   572
      if(preg_match('/^(mailto:)?(?:[\w\d]+\.?)+@(?:(?:[\w\d]\-?)+\.)+\w{2,4}$/', $text))
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   573
      {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   574
        // This is a mailto link and normal obfuscation should be used
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   575
        $text = false;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   576
      }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   577
    }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   578
    $text1 = ( $text ) ? '<script type="text/javascript">document.write(unescape(\''.rawurlencode($text).'\'));</script>' : '<script type=\'text/javascript\'>forbid("'.$key['X'].'",'.$key['N'].','.$key['D'].')</script>';
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   579
    $text2 = ( $text ) ? "$text &lt;".$this->obfuscate_text($this->mask_address($address))."&gt;" : $this->obfuscate_text($this->mask_address($address));
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   580
    $email = '<a href="#" onclick=\'dive("'.$key['C'].'",'.$key['N'].','.$key['D'].'); return false;\' onmouseover="self.status=\'\'; return true;" onmouseout="self.status=\' \'; return true;">'.$text1.'</a><noscript><div style="display: inline">'.$text2.'</div></noscript>';
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   581
    return $email;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   582
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   583
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   584
  /** 
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   585
   * Replace @ symbols with " <AT> " and dots with " <DOT> ".
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   586
   * @param string $email An e-mail address.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   587
   * @return string
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   588
   */
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   589
   
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   590
  function mask_address($email)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   591
  {
48
fc9762553a3c E-mail address mask engine non-Javascript fallback now picks random substitutions for @ and . to make address more unreadable by bots
Dan
parents: 21
diff changeset
   592
    $at = array(' (AT) ', ' __AT__ ', ' *AT* ', ' [AT] ', ' <AT> ', ' <__AT__> ');
fc9762553a3c E-mail address mask engine non-Javascript fallback now picks random substitutions for @ and . to make address more unreadable by bots
Dan
parents: 21
diff changeset
   593
    $dot = array(' (DOT) ', ' __DOT__ ', ' *DOT* ', ' [DOT] ', ' <DOT> ', ' <__DOT__> ');
fc9762553a3c E-mail address mask engine non-Javascript fallback now picks random substitutions for @ and . to make address more unreadable by bots
Dan
parents: 21
diff changeset
   594
    while(strstr($email, '@'))
fc9762553a3c E-mail address mask engine non-Javascript fallback now picks random substitutions for @ and . to make address more unreadable by bots
Dan
parents: 21
diff changeset
   595
    {
fc9762553a3c E-mail address mask engine non-Javascript fallback now picks random substitutions for @ and . to make address more unreadable by bots
Dan
parents: 21
diff changeset
   596
      $my_at = $at[ array_rand($at) ];
fc9762553a3c E-mail address mask engine non-Javascript fallback now picks random substitutions for @ and . to make address more unreadable by bots
Dan
parents: 21
diff changeset
   597
      $email = str_replace_once('@', $my_at, $email);
fc9762553a3c E-mail address mask engine non-Javascript fallback now picks random substitutions for @ and . to make address more unreadable by bots
Dan
parents: 21
diff changeset
   598
    }
fc9762553a3c E-mail address mask engine non-Javascript fallback now picks random substitutions for @ and . to make address more unreadable by bots
Dan
parents: 21
diff changeset
   599
    while(strstr($email, '.'))
fc9762553a3c E-mail address mask engine non-Javascript fallback now picks random substitutions for @ and . to make address more unreadable by bots
Dan
parents: 21
diff changeset
   600
    {
fc9762553a3c E-mail address mask engine non-Javascript fallback now picks random substitutions for @ and . to make address more unreadable by bots
Dan
parents: 21
diff changeset
   601
      $my_dot = $dot[ array_rand($dot) ];
fc9762553a3c E-mail address mask engine non-Javascript fallback now picks random substitutions for @ and . to make address more unreadable by bots
Dan
parents: 21
diff changeset
   602
      $email = str_replace_once('.', $my_dot, $email);
fc9762553a3c E-mail address mask engine non-Javascript fallback now picks random substitutions for @ and . to make address more unreadable by bots
Dan
parents: 21
diff changeset
   603
    }
fc9762553a3c E-mail address mask engine non-Javascript fallback now picks random substitutions for @ and . to make address more unreadable by bots
Dan
parents: 21
diff changeset
   604
    return $email;
1
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   605
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   606
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   607
  /**
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   608
   * Turn a string of text into hex-encoded HTML entities
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   609
   * @param string $text the text to encode
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   610
   * @return string
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   611
   */
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   612
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   613
  function obfuscate_text($text)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   614
  {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   615
    $a = enano_str_split($text, 1);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   616
    $s = '';
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   617
    foreach($a as $k => $c)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   618
    {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   619
      $ch = (string)dechex(ord($a[$k]));
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   620
      if(strlen($ch) < 2) $ch = '0' . $ch;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   621
      $s .= '&#x'.$ch.';';
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   622
    }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   623
    return $s;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   624
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   625
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   626
}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   627
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   628
?>