forked from Wavyzz/dolibarr
407 lines
13 KiB
PHP
407 lines
13 KiB
PHP
<?php
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/* Copyright (C) 2008-2009 Laurent Destailleur <eldy@users.sourceforge.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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* or see http://www.gnu.org/
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*/
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/**
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* \file htdocs/lib/security.lib.php
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* \brief Set of function used for dolibarr security
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* \version $Id$
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*/
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/**
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* \brief Show Dolibarr default login page
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* \param langs Lang object
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* \param conf Conf object
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* \param mysoc Company object
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* \remarks You must change HTML code in this page to change design of logon page.
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*/
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function dol_loginfunction($langs,$conf,$mysoc)
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{
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$langs->load("main");
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$langs->load("other");
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$conf->css = "theme/".$conf->theme."/".$conf->theme.".css";
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// Si feuille de style en php existe
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if (file_exists(DOL_DOCUMENT_ROOT.'/'.$conf->css.".php")) $conf->css.=".php";
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header('Cache-Control: Public, must-revalidate');
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header("Content-type: text/html; charset=".$conf->file->character_set_client);
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if (! empty($_REQUEST["urlfrom"])) $_SESSION["urlfrom"]=$_REQUEST["urlfrom"];
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else unset($_SESSION["urlfrom"]);
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// Ce DTD est KO car inhibe document.body.scrollTop
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//print '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">';
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// Ce DTD est OK
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print '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">'."\n";
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// En tete html
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print "<html>\n";
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print "<head>\n";
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print '<meta name="robots" content="noindex,nofollow">'."\n"; // Evite indexation par robots
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print "<title>".$langs->trans("Login")."</title>\n";
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print '<link rel="stylesheet" type="text/css" href="'.DOL_URL_ROOT.'/'.$conf->css.'">'."\n";
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print '<style type="text/css">'."\n";
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print '<!--'."\n";
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print '#login {';
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print ' margin-top: 70px;';
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print ' margin-bottom: 30px;';
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print ' text-align: center;';
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print ' font: 12px arial,helvetica;';
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print '}'."\n";
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print '#login table {';
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print ' border: 1px solid #C0C0C0;';
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if (file_exists(DOL_DOCUMENT_ROOT.'/theme/'.$conf->theme.'/img/login_background.png'))
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{
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print 'background: #F0F0F0 url('.DOL_URL_ROOT.'/theme/'.$conf->theme.'/img/login_background.png) repeat-x;';
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}
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else
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{
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print 'background: #F0F0F0 url('.DOL_URL_ROOT.'/theme/login_background.png) repeat-x;';
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}
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print 'font-size: 12px;';
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print '}'."\n";
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print '-->'."\n";
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print '</style>'."\n";
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print '<script type="text/javascript">'."\n";
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print "function donnefocus() {\n";
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if (! $_REQUEST["username"]) print "document.getElementById('username').focus();\n";
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else print "document.getElementById('password').focus();\n";
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print "}\n";
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print '</script>'."\n";
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print '</head>'."\n";
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// Body
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print '<body class="body" onload="donnefocus();">'."\n\n";
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// Start Form
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print '<form id="login" name="login" method="post" action="';
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print $_SERVER['PHP_SELF'];
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print $_SERVER["QUERY_STRING"]?'?'.$_SERVER["QUERY_STRING"]:'';
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print '">'."\n";
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// Token field
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print '<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'">';
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// Table 1
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$title='Dolibarr '.DOL_VERSION;
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if (! empty($conf->global->MAIN_APPLICATION_TITLE)) $title=$conf->global->MAIN_APPLICATION_TITLE;
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print '<table summary="'.$title.'" cellpadding="0" cellspacing="0" border="0" align="center" width="480">'."\n";;
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print '<tr class="vmenu"><td align="center">'.$title.'</td></tr>'."\n";
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print '</table>'."\n";
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print '<br>'."\n\n";
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// Table 2
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print '<table summary="Login area" cellpadding="2" align="center" width="480">'."\n";
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print '<tr><td colspan="3"> </td></tr>';
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print '<tr>';
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$demologin='';
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$demopassword='';
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if (isset($conf->global->MAIN_DEMO))
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{
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$tab=split(',',$conf->global->MAIN_DEMO);
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$demologin=$tab[0];
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$demopassword=$tab[1];
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}
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// Login field
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print '<td align="left" valign="bottom"> <b>'.$langs->trans("Login").'</b> </td>';
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print '<td valign="bottom"><input type="text" id="username" name="username" class="flat" size="15" maxlength="25" value="';
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print (isset($_REQUEST["username"])?$_REQUEST["username"]:$demologin);
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print '" tabindex="1" /></td>';
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// Show logo (search in order: small company logo, large company logo, theme logo, common logo)
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$title='';
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$width=0;
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$urllogo=DOL_URL_ROOT.'/theme/login_logo.png';
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if (! empty($mysoc->logo_small) && is_readable($conf->societe->dir_output.'/logos/thumbs/'.$mysoc->logo_small))
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{
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$urllogo=DOL_URL_ROOT.'/viewimage.php?modulepart=companylogo&file='.urlencode('thumbs/'.$mysoc->logo_small);
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}
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elseif (! empty($mysoc->logo_small) && is_readable($conf->societe->dir_output.'/logos/'.$mysoc->logo))
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{
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$urllogo=DOL_URL_ROOT.'/viewimage.php?modulepart=companylogo&file='.urlencode($mysoc->logo);
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$width=96;
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}
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elseif (is_readable(DOL_DOCUMENT_ROOT.'/theme/dolibarr_logo.png'))
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{
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$urllogo=DOL_URL_ROOT.'/theme/dolibarr_logo.png';
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}
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print '<td rowspan="2" align="center"><img alt="Logo" title="'.$title.'" src="'.$urllogo.'"';
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if ($width) print ' width="'.$width.'"';
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print '></td>';
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print '</tr>'."\n";
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// Password field
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print '<tr><td align="left" valign="top" nowrap="nowrap"> <b>'.$langs->trans("Password").'</b> </td>';
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print '<td valign="top" nowrap="nowrap"><input id="password" name="password" class="flat" type="password" size="15" maxlength="30" value="';
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print $demopassword;
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print '" tabindex="2">';
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print '</td></tr>';
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// Entity field
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if (! empty($conf->global->MAIN_MODULE_MULTICOMPANY))
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{
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$html = new Form($db);
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//TODO: creer class
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$entity = array('1'=>'company1','2'=>'company2');
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print '<tr><td align="left" valign="top" nowrap="nowrap"> <b>'.$langs->trans("Entity").'</b> </td>';
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print '<td valign="top" nowrap="nowrap">';
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print $html->selectarray('entity',$entity,'',0,0,0,1,'tabindex="3"');
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print '</td></tr>';
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}
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print '<tr><td colspan="3"> </td></tr>'."\n";
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// Security graphical code
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if (function_exists("imagecreatefrompng") && ! empty($conf->global->MAIN_SECURITY_ENABLECAPTCHA))
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{
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//print "Info session: ".session_name().session_id();print_r($_SESSION);
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print '<tr><td align="left" valign="middle" nowrap="nowrap"> <b>'.$langs->trans("SecurityCode").'</b></td>';
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print '<td valign="top" nowrap="nowrap" align="left" class="e">';
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print '<table><tr>';
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print '<td><input id="securitycode" class="flat" type="text" size="6" maxlength="5" name="code" tabindex="4"></td>';
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print '<td><img src="'.DOL_URL_ROOT.'/lib/antispamimage.php" border="0" width="128" height="36"></td>';
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print '<td><a href="'.$_SERVER["PHP_SELF"].'">'.img_refresh().'</a></td>';
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print '</tr></table>';
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print '</td>';
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print '</tr>';
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}
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print '<tr><td colspan="3" style="text-align:center;"><br>';
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print '<input type="submit" class="button" value=" '.$langs->trans("Connection").' " tabindex="5" />';
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print '</td></tr>';
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if (empty($conf->global->MAIN_SECURITY_DISABLEFORGETPASSLINK) || empty($conf->global->MAIN_HELPCENTER_DISABLELINK))
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{
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print '<tr><td colspan="3" align="center">';
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if (empty($conf->global->MAIN_SECURITY_DISABLEFORGETPASSLINK))
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{
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print '<a style="color: #888888; font-size: 10px" href="'.DOL_URL_ROOT.'/user/passwordforgotten.php">(';
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print $langs->trans("PasswordForgotten");
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}
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if (empty($conf->global->MAIN_HELPCENTER_DISABLELINK))
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{
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$langs->load("help");
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print '<a style="color: #888888; font-size: 10px" href="'.DOL_URL_ROOT.'/support/index.php">';
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if (! empty($conf->global->MAIN_SECURITY_DISABLEFORGETPASSLINK)) print '(';
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else print ' - ';
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print $langs->trans("NeedHelpCenter");
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}
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print ')</a>';
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print '</td></tr>';
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}
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print '</table>'."\n";
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// Hidden fields
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print '<input type="hidden" name="loginfunction" value="loginfunction" />'."\n";
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print '</form>'."\n";
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// Message
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if (! empty($_SESSION["dol_loginmesg"]))
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{
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print '<center><table width="60%"><tr><td align="center" class="small"><div class="error">';
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print $_SESSION["dol_loginmesg"];
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$_SESSION["dol_loginmesg"]="";
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print '</div></td></tr></table></center>'."\n";
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}
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if (! empty($conf->global->MAIN_HOME))
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{
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print '<center><table summary="info" cellpadding="0" cellspacing="0" border="0" align="center" width="750"><tr><td align="center">';
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$i=0;
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while (eregi('__\(([a-zA-Z]+)\)__',$conf->global->MAIN_HOME,$reg) && $i < 100)
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{
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$conf->global->MAIN_HOME=eregi_replace('__\('.$reg[1].'\)__',$langs->trans($reg[1]),$conf->global->MAIN_HOME);
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$i++;
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}
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print nl2br($conf->global->MAIN_HOME);
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print '</td></tr></table></center><br>'."\n";
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}
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print "\n";
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print '<!-- authentication mode = '.$conf->file->main_authentication.' -->'."\n";
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print '<!-- cookie name used for this session = '.session_name().' -->'."\n";
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print '<!-- urlfrom in this session = '.(isset($_SESSION["urlfrom"])?$_SESSION["urlfrom"]:'').' -->'."\n";
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// Fin entete html
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print "\n</body>\n</html>";
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}
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/**
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* \brief Fonction pour initialiser un salt pour la fonction crypt
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* \param $type 2=>renvoi un salt pour cryptage DES
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* 12=>renvoi un salt pour cryptage MD5
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* non defini=>renvoi un salt pour cryptage par defaut
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* \return string Chaine salt
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*/
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function makesalt($type=CRYPT_SALT_LENGTH)
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{
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dol_syslog("security.lib.php::makesalt type=".$type);
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switch($type)
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{
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case 12: // 8 + 4
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$saltlen=8; $saltprefix='$1$'; $saltsuffix='$'; break;
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case 8: // 8 + 4 (Pour compatibilite, ne devrait pas etre utilise)
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$saltlen=8; $saltprefix='$1$'; $saltsuffix='$'; break;
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case 2: // 2
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default: // by default, fall back on Standard DES (should work everywhere)
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$saltlen=2; $saltprefix=''; $saltsuffix=''; break;
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}
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$salt='';
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while(strlen($salt) < $saltlen) $salt.=chr(rand(64,126));
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$result=$saltprefix.$salt.$saltsuffix;
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dol_syslog("security.lib.php::makesalt return=".$result);
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return $result;
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}
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/**
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* \brief Encode\decode database password in config file
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* \param level Encode level : 0 no enconding, 1 encoding
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* \return int <0 if KO, >0 if OK
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*/
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function encodedecode_dbpassconf($level=0)
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{
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dol_syslog("security.lib::encodedecode_dbpassconf level=".$level, LOG_DEBUG);
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$config = '';
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if ($fp = fopen(DOL_DOCUMENT_ROOT.'/conf/conf.php','r'))
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{
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while(!feof($fp))
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{
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$buffer = fgets($fp,4096);
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if (strstr($buffer,"\$dolibarr_main_db_encrypted_pass") && $level == 0)
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{
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$passwd = strstr($buffer,"$dolibarr_main_db_encrypted_pass=");
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$passwd = substr(substr($passwd,2),0,-3);
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$passwd = dol_decode($passwd);
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$config .= "\$dolibarr_main_db_pass=\"$passwd\";\n";
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}
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else if (strstr($buffer,"\$dolibarr_main_db_pass") && $level == 1)
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{
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$passwd = strstr($buffer,"$dolibarr_main_db_pass=");
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$passwd = substr(substr($passwd,2),0,-3);
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$passwd = dol_encode($passwd);
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$config .= "\$dolibarr_main_db_encrypted_pass=\"$passwd\";\n";
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}
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else
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{
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$config .= $buffer;
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}
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}
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fclose($fp);
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$file=DOL_DOCUMENT_ROOT.'/conf/conf.php';
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if ($fp = @fopen($file,'w'))
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{
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fputs($fp, $config, strlen($config));
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fclose($fp);
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// It's config file, so we set permission for creator only
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// @chmod($file, octdec('0600'));
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return 1;
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}
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else
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{
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dol_syslog("security.lib::encodedecode_dbpassconf Failed to open conf.php file for writing", LOG_WARNING);
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return -1;
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}
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}
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else
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{
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dol_syslog("security.lib::encodedecode_dbpassconf Failed to read conf.php", LOG_ERR);
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return -2;
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}
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}
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/**
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* \brief Encode une chaine de caractere
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* \param chaine chaine de caracteres a encoder
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* \return string_coded chaine de caracteres encodee
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*/
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function dol_encode($chain)
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{
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for($i=0;$i<strlen($chain);$i++)
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{
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$output_tab[$i] = chr(ord(substr($chain,$i,1))+17);
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}
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$string_coded = base64_encode(implode ("",$output_tab));
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return $string_coded;
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}
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/**
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* \brief Decode une chaine de caractere
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* \param chain chaine de caracteres a decoder
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* \return string_coded chaine de caracteres decodee
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*/
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function dol_decode($chain)
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{
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$chain = base64_decode($chain);
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for($i=0;$i<strlen($chain);$i++)
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{
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$output_tab[$i] = chr(ord(substr($chain,$i,1))-17);
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}
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$string_decoded = implode ("",$output_tab);
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return $string_decoded;
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}
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/**
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* \brief Scan les fichiers avec un anti-virus
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* \param file Fichier a scanner
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* \return malware Nom du virus si infecte sinon retourne "null"
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*/
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function dol_avscan_file($file)
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{
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$malware = '';
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// Clamav
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if (function_exists("cl_scanfile"))
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{
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$maxreclevel = 5 ; // maximal recursion level
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$maxfiles = 1000; // maximal number of files to be scanned within archive
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$maxratio = 200; // maximal compression ratio
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$archivememlim = 0; // limit memory usage for bzip2 (0/1)
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$maxfilesize = 10485760; // archived files larger than this value (in bytes) will not be scanned
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cl_setlimits($maxreclevel, $maxfiles, $maxratio, $archivememlim, $maxfilesize);
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$malware = cl_scanfile($file);
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}
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return $malware;
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}
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?>
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