inc/libs/html_mail_functions.php

   1 <?php
   2 /************************************************************************
   3  * MXChange v0.2.1                                    Start: 04/25/2004 *
   4  * ================                             Last change: 04/29/2004 *
   5  *                                                                      *
   6  * -------------------------------------------------------------------- *
   7  * File              : html_mail_functions.php                          *
   8  * -------------------------------------------------------------------- *
   9  * Short description : Functions for the HTML extension                 *
  10  * -------------------------------------------------------------------- *
  11  * Kurzbeschreibung  : Funktionen fuer die HTML-Erweiterung             *
  12  * -------------------------------------------------------------------- *
  13  *                                                                      *
  14  * -------------------------------------------------------------------- *
  15  * Copyright (c) 2003 - 2008 by Roland Haeder                           *
  16  * For more information visit: http://www.mxchange.org                  *
  17  *                                                                      *
  18  * This program is free software; you can redistribute it and/or modify *
  19  * it under the terms of the GNU General Public License as published by *
  20  * the Free Software Foundation; either version 2 of the License, or    *
  21  * (at your option) any later version.                                  *
  22  *                                                                      *
  23  * This program is distributed in the hope that it will be useful,      *
  24  * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
  25  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
  26  * GNU General Public License for more details.                         *
  27  *                                                                      *
  28  * You should have received a copy of the GNU General Public License    *
  29  * along with this program; if not, write to the Free Software          *
  30  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,               *
  31  * MA  02110-1301  USA                                                  *
  32  ************************************************************************/
  33
  34 // Some security stuff...
  35 if (!defined('__SECURITY')) {
  36         $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
  37         require($INC);
  38 }
  39
  40 //
  41 function HTML_ADD_VALID_TAGS() {
  42         $OUT = "";
  43         if (!is_array($GLOBALS['html_tags'])) return "";
  44         foreach ($GLOBALS['html_tags'] as $tag) {
  45                 $OUT .= ", ".strtoupper($tag);
  46         }
  47         $OUT = substr($OUT, 2);
  48         return $OUT;
  49 }
  50 //
  51 function HTML_CHECK_TAGS($html {
  52         $test = stripslashes($html);
  53         while (ereg("<", $test) && ereg(">", $test)) {
  54                 $check = strtolower(substr($test, strpos($test, "<") + 1, strpos($test, ">") - strpos($test, "<") - 1));
  55                 $check = str_replace("/", "", $check);
  56                 if (!in_array($check, $GLOBALS['html_tags'])) {
  57                         // Invalid tag found!
  58                         return "";
  59                 }
  60                 $test = substr($test, strpos($test, ">") + 1);
  61         }
  62         // Return tested code
  63         return $html;
  64 }
  65 //
  66 function HTML_INSERT_URLS ($text) {
  67         $test = $text;
  68
  69         // First replace URLs...
  70         while (ereg("http://", $test))
  71         {
  72                 $check = substr($test, strpos($test, "http://")); $check2 = $check;
  73
  74                 // See ext-html.php if you want to add more URL ends...
  75                 foreach ($GLOBALS['url_ends'] as $end)
  76                 {
  77                         if (ereg($end, $check)) $check = substr($check, 0, strpos($check, $end));
  78                 }
  79
  80                 // Now replace the URL against anchor container and pray...
  81                 $text = substr($text, 0, strpos($text, $check2))."<a href=\"".DEREFERER($check)."\" target=\"_blank\">".$check."</a>".substr($text, strpos($text, $check2) + strlen($check));
  82
  83                 // Finally remove the url from testing string (or we have a loop and maybe server overload!)
  84                 $test = substr($test, strpos($test, $check) + strlen($check));
  85         }
  86
  87         // Now do the (nearly) same thing with email addresses
  88         // but now we have the problem that email addresses didn't have
  89         // a start mark like http:// and our templates are lame didn't have
  90         // a mailto: ... :-(
  91         $test = $text;
  92
  93         // ... what will the email address be out the @... ;-)
  94         $PARTS = array();
  95         while (ereg("@", $test))
  96         {
  97                 $pos = strpos($test, "@");
  98                 $test2 = substr($test, 0, $pos);
  99
 100                 // First check backwards
 101                 $idx = $pos - 1;
 102                 while ($idx > 0)
 103                 {
 104                         $check = substr($test2, $idx, 1);
 105                         if (!in_array($check, $GLOBALS['valid_email_chars']))
 106                         {
 107                                 // Char found so we end here
 108                                 break;
 109                         }
 110                         $idx--;
 111                 }
 112                 if ($idx > 0)
 113                 {
 114                         // Starting mark is found
 115                         $check2 = substr($test, 0, ($idx + 1));
 116                         $test = substr($test, ($idx + 1));
 117                 }
 118
 119                 // And now go forward...
 120                 $idx = 0;
 121                 while ($idx < strlen($test))
 122                 {
 123                         $check = substr($test, $idx, 1);
 124                         if ((!in_array($check, $GLOBALS['valid_email_chars'])) && ($check != "@"))
 125                         {
 126                                 // Char found so end here again
 127                                 break;
 128                         }
 129                         $idx++;
 130                 }
 131                 if ($idx > 0)
 132                 {
 133                         // Maybe this is the email address?
 134                         $check = substr($test, 0, $idx);
 135                 }
 136
 137                 // Now replace the email against anchor with mailto and pray...
 138                 $PARTS[] = $check2."<a href=\"mailto:".$check."\">".$check."</a>";
 139
 140                 // Remove email from testing string (see above why...)
 141                 $test = substr($test, strlen($check));
 142         }
 143         // Now put all parts together
 144         $text = ""; $PARTS[] = $test;
 145         foreach ($PARTS as $part)
 146         {
 147                 $text .= $part;
 148         }
 149
 150         // Replace new-lines agains <br />-s and finally compile possible own HTML tags out...
 151         return COMPILE_CODE(str_replace("\n", "<br />\n", $text));
 152 }
 153 //
 154 function SEND_HTML_EMAIL($TO, $SUBJECT, $MSG, $FROM)
 155 {
 156         if (EXT_IS_ACTIVE("html_mail"))
 157         {
 158                 // Send mail away as HTML
 159                 $FROM = "Content-Type: text/html\n".$FROM;
 160                 SEND_EMAIL($TO, $SUBJECT, $MSG, 'N', $FROM);
 161         }
 162 }
 163 //
 164 ?>