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forked from Wavyzz/dolibarr
Files
dolibarr-fork/htdocs/core/lib/security2.lib.php
2012-07-07 12:21:09 +02:00

449 lines
14 KiB
PHP

<?php
/* Copyright (C) 2008-2011 Laurent Destailleur <eldy@users.sourceforge.net>
* Copyright (C) 2008-2012 Regis Houssin <regis@dolibarr.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* or see http://www.gnu.org/
*/
/**
* \file htdocs/core/lib/security2.lib.php
* \ingroup core
* \brief Set of function used for dolibarr security (not common functions).
* Warning, this file must not depends on other library files, except function.lib.php
* because it is used at low code level.
*/
/**
* Return user/group account of web server
*
* @param string $mode 'user' or 'group'
* @return string Return user or group of web server
*/
function dol_getwebuser($mode)
{
$t='?';
if ($mode=='user') $t=getenv('APACHE_RUN_USER'); // $_ENV['APACHE_RUN_USER'] is empty
if ($mode=='group') $t=getenv('APACHE_RUN_GROUP');
return $t;
}
/**
* Return a login if login/pass was successfull
*
* @param string $usertotest Login value to test
* @param string $passwordtotest Password value to test
* @param string $entitytotest Instance of data we must check
* @param array $authmode Array list of selected authentication mode array('http', 'dolibarr', 'xxx'...)
* @return string Login or ''
*/
function checkLoginPassEntity($usertotest,$passwordtotest,$entitytotest,$authmode)
{
global $conf,$langs;
//global $dolauthmode; // To return authentication finally used
// Check parameters
if ($entitytotest == '') $entitytotest=1;
dol_syslog("checkLoginPassEntity usertotest=".$usertotest." entitytotest=".$entitytotest." authmode=".join(',',$authmode));
$login = '';
// Validation of login/pass/entity with standard modules
if (empty($login))
{
$test=true;
foreach($authmode as $mode)
{
if ($test && $mode && ! $login)
{
// Validation of login/pass/entity for mode $mode
$mode=trim($mode);
$authfile='functions_'.$mode.'.php';
$fullauthfile='';
$dirlogin=array_merge(array("/core/login"),(array) $conf->modules_parts['login']);
foreach($dirlogin as $reldir)
{
$dir=dol_buildpath($reldir,0);
$newdir=dol_osencode($dir);
// Check if file found (do not use dol_is_file to avoid loading files.lib.php)
if (is_file($newdir.'/'.$authfile)) $fullauthfile=$newdir.'/'.$authfile;
}
$result=false;
if ($fullauthfile) $result=include_once($fullauthfile);
if ($fullauthfile && $result)
{
// Call function to check user/password
$function='check_user_password_'.$mode;
$login=call_user_func($function,$usertotest,$passwordtotest,$entitytotest);
if ($login) // Login is successfull
{
$test=false; // To stop once at first login success
$conf->authmode=$mode; // This properties is defined only when logged to say what mode was successfully used
$dol_tz=$_POST["tz"];
$dol_dst=$_POST["dst"];
$dol_screenwidth=$_POST["screenwidth"];
$dol_screenheight=$_POST["screenheight"];
}
}
else
{
dol_syslog("Authentification ko - failed to load file '".$authfile."'",LOG_ERR);
sleep(1);
$langs->load('main');
$langs->load('other');
$_SESSION["dol_loginmesg"]=$langs->trans("ErrorFailedToLoadLoginFileForMode",$mode);
}
}
}
}
return $login;
}
/**
* Show Dolibarr default login page.
* Part of this code is also duplicated into main.inc.php::top_htmlhead
*
* @param Translate $langs Lang object (must be initialized by a new).
* @param Conf $conf Conf object
* @param Societe $mysoc Company object
* @return void
*/
function dol_loginfunction($langs,$conf,$mysoc)
{
global $dolibarr_main_demo,$db;
global $smartphone,$hookmanager;
// Instantiate hooks of thirdparty module only if not already define
if (! is_object($hookmanager))
{
include_once(DOL_DOCUMENT_ROOT.'/core/class/hookmanager.class.php');
$hookmanager=new HookManager($db);
}
$hookmanager->initHooks(array('mainloginpage'));
$langcode=(GETPOST('lang')?((is_object($langs)&&$langs->defaultlang)?$langs->defaultlang:'auto'):GETPOST('lang'));
$langs->setDefaultLang($langcode);
$langs->load("main");
$langs->load("other");
$langs->load("help");
$langs->load("admin");
$main_authentication=$conf->file->main_authentication;
$session_name=session_name();
$dol_url_root = DOL_URL_ROOT;
$php_self = $_SERVER['PHP_SELF'];
$php_self.= $_SERVER["QUERY_STRING"]?'?'.$_SERVER["QUERY_STRING"]:'';
// Title
$title='Dolibarr '.DOL_VERSION;
if (! empty($conf->global->MAIN_APPLICATION_TITLE)) $title=$conf->global->MAIN_APPLICATION_TITLE;
// Select templates
if (preg_match('/^smartphone/',$conf->smart_menu) && ! empty($conf->browser->phone))
{
$template_dir = DOL_DOCUMENT_ROOT.'/theme/phones/smartphone/tpl/';
}
else
{
if (file_exists(DOL_DOCUMENT_ROOT."/theme/".$conf->theme."/tpl/login.tpl.php"))
{
$template_dir = DOL_DOCUMENT_ROOT."/theme/".$conf->theme."/tpl/";
}
else
{
$template_dir = DOL_DOCUMENT_ROOT."/core/tpl/";
}
}
$conf->css = "/theme/".(GETPOST('theme')?GETPOST('theme','alpha'):$conf->theme)."/style.css.php?lang=".$langs->defaultlang;
$conf_css = DOL_URL_ROOT.$conf->css;
// Set cookie for timeout management
$prefix=dol_getprefix();
$sessiontimeout='DOLSESSTIMEOUT_'.$prefix;
if (! empty($conf->global->MAIN_SESSION_TIMEOUT)) setcookie($sessiontimeout, $conf->global->MAIN_SESSION_TIMEOUT, 0, "/", '', 0);
if (GETPOST('urlfrom','alpha')) $_SESSION["urlfrom"]=GETPOST('urlfrom','alpha');
else unset($_SESSION["urlfrom"]);
if (! GETPOST("username")) $focus_element='username';
else $focus_element='password';
$login_background=DOL_URL_ROOT.'/theme/login_background.png';
if (file_exists(DOL_DOCUMENT_ROOT.'/theme/'.$conf->theme.'/img/login_background.png'))
{
$login_background=DOL_URL_ROOT.'/theme/'.$conf->theme.'/img/login_background.png';
}
$demologin='';
$demopassword='';
if (! empty($dolibarr_main_demo))
{
$tab=explode(',',$dolibarr_main_demo);
$demologin=$tab[0];
$demopassword=$tab[1];
}
// Execute hook getLoginPageOptions
// Should be an array with differents options in $hookmanager->resArray
$parameters=array('entity' => $_POST['entity']);
$hookmanager->executeHooks('getLoginPageOptions',$parameters); // Note that $action and $object may have been modified by some hooks
// Login
$login = (! empty($hookmanager->resArray['username']) ? $hookmanager->resArray['username'] : (GETPOST("username","alpha",2) ? GETPOST("username","alpha",2) : $demologin));
$password = $demopassword;
// Show logo (search in order: small company logo, large company logo, theme logo, common logo)
$width=0;
$urllogo=DOL_URL_ROOT.'/theme/login_logo.png';
if (! empty($mysoc->logo_small) && is_readable($conf->mycompany->dir_output.'/logos/thumbs/'.$mysoc->logo_small))
{
$urllogo=DOL_URL_ROOT.'/viewimage.php?cache=1&amp;modulepart=companylogo&amp;file='.urlencode('thumbs/'.$mysoc->logo_small);
}
elseif (! empty($mysoc->logo) && is_readable($conf->mycompany->dir_output.'/logos/'.$mysoc->logo))
{
$urllogo=DOL_URL_ROOT.'/viewimage.php?cache=1&amp;modulepart=companylogo&amp;file='.urlencode($mysoc->logo);
$width=128;
}
elseif (is_readable(DOL_DOCUMENT_ROOT.'/theme/'.$conf->theme.'/img/dolibarr_logo.png'))
{
$urllogo=DOL_URL_ROOT.'/theme/'.$conf->theme.'/img/dolibarr_logo.png';
}
elseif (is_readable(DOL_DOCUMENT_ROOT.'/theme/dolibarr_logo.png'))
{
$urllogo=DOL_URL_ROOT.'/theme/dolibarr_logo.png';
}
// Security graphical code
$captcha=0;
$captcha_refresh='';
if (function_exists("imagecreatefrompng") && ! empty($conf->global->MAIN_SECURITY_ENABLECAPTCHA))
{
$captcha=1;
$captcha_refresh=img_picto($langs->trans("Refresh"),'refresh','id="captcha_refresh_img"');
}
// Extra link
$forgetpasslink=0;
$helpcenterlink=0;
if (empty($conf->global->MAIN_SECURITY_DISABLEFORGETPASSLINK) || empty($conf->global->MAIN_HELPCENTER_DISABLELINK))
{
if (empty($conf->global->MAIN_SECURITY_DISABLEFORGETPASSLINK))
{
$forgetpasslink=1;
}
if (empty($conf->global->MAIN_HELPCENTER_DISABLELINK))
{
$helpcenterlink=1;
}
}
// Home message
if (! empty($conf->global->MAIN_HOME))
{
$i=0;
while (preg_match('/__\(([a-zA-Z]+)\)__/i',$conf->global->MAIN_HOME,$reg) && $i < 100)
{
$conf->global->MAIN_HOME=preg_replace('/__\('.$reg[1].'\)__/i',$langs->trans($reg[1]),$conf->global->MAIN_HOME);
$i++;
}
}
$main_home=dol_htmlcleanlastbr($conf->global->MAIN_HOME);
// Google AD
$main_google_ad_client = ((! empty($conf->global->MAIN_GOOGLE_AD_CLIENT) && ! empty($conf->global->MAIN_GOOGLE_AD_SLOT))?1:0);
$dol_loginmesg = $_SESSION["dol_loginmesg"];
$favicon=DOL_URL_ROOT.'/theme/'.$conf->theme.'/img/favicon.ico';
$jquerytheme = 'smoothness';
if (!empty($conf->global->MAIN_USE_JQUERY_THEME)) $jquerytheme = $conf->global->MAIN_USE_JQUERY_THEME;
include($template_dir.'login.tpl.php'); // To use native PHP
$_SESSION["dol_loginmesg"] = '';
}
/**
* Fonction pour initialiser un salt pour la fonction crypt.
*
* @param int $type 2=>renvoi un salt pour cryptage DES
* 12=>renvoi un salt pour cryptage MD5
* non defini=>renvoi un salt pour cryptage par defaut
* @return string Salt string
*/
function makesalt($type=CRYPT_SALT_LENGTH)
{
dol_syslog("makesalt type=".$type);
switch($type)
{
case 12: // 8 + 4
$saltlen=8; $saltprefix='$1$'; $saltsuffix='$'; break;
case 8: // 8 (Pour compatibilite, ne devrait pas etre utilise)
$saltlen=8; $saltprefix='$1$'; $saltsuffix='$'; break;
case 2: // 2
default: // by default, fall back on Standard DES (should work everywhere)
$saltlen=2; $saltprefix=''; $saltsuffix=''; break;
}
$salt='';
while(dol_strlen($salt) < $saltlen) $salt.=chr(mt_rand(64,126));
$result=$saltprefix.$salt.$saltsuffix;
dol_syslog("makesalt return=".$result);
return $result;
}
/**
* Encode or decode database password in config file
*
* @param int $level Encode level: 0 no encoding, 1 encoding
* @return int <0 if KO, >0 if OK
*/
function encodedecode_dbpassconf($level=0)
{
dol_syslog("encodedecode_dbpassconf level=".$level, LOG_DEBUG);
$config = '';
$passwd='';
$passwd_crypted='';
if ($fp = fopen(DOL_DOCUMENT_ROOT.'/conf/conf.php','r'))
{
while(!feof($fp))
{
$buffer = fgets($fp,4096);
$lineofpass=0;
if (preg_match('/^[^#]*dolibarr_main_db_encrypted_pass[\s]*=[\s]*(.*)/i',$buffer,$reg)) // Old way to save crypted value
{
$val = trim($reg[1]); // This also remove CR/LF
$val=preg_replace('/^["\']/','',$val);
$val=preg_replace('/["\'][\s;]*$/','',$val);
if (! empty($val))
{
$passwd_crypted = $val;
$val = dol_decode($val);
$passwd = $val;
$lineofpass=1;
}
}
elseif (preg_match('/^[^#]*dolibarr_main_db_pass[\s]*=[\s]*(.*)/i',$buffer,$reg))
{
$val = trim($reg[1]); // This also remove CR/LF
$val=preg_replace('/^["\']/','',$val);
$val=preg_replace('/["\'][\s;]*$/','',$val);
if (preg_match('/crypted:/i',$buffer))
{
$val = preg_replace('/crypted:/i','',$val);
$passwd_crypted = $val;
$val = dol_decode($val);
$passwd = $val;
}
else
{
$passwd = $val;
$val = dol_encode($val);
$passwd_crypted = $val;
}
$lineofpass=1;
}
// Output line
if ($lineofpass)
{
// Add value at end of file
if ($level == 0)
{
$config .= '$dolibarr_main_db_pass=\''.$passwd.'\';'."\n";
}
if ($level == 1)
{
$config .= '$dolibarr_main_db_pass=\'crypted:'.$passwd_crypted.'\';'."\n";
}
//print 'passwd = '.$passwd.' - passwd_crypted = '.$passwd_crypted;
//exit;
}
else
{
$config .= $buffer;
}
}
fclose($fp);
// Write new conf file
$file=DOL_DOCUMENT_ROOT.'/conf/conf.php';
if ($fp = @fopen($file,'w'))
{
fputs($fp, $config);
fclose($fp);
// It's config file, so we set read permission for creator only.
// Should set permission to web user and groups for users used by batch
//@chmod($file, octdec('0600'));
return 1;
}
else
{
dol_syslog("encodedecode_dbpassconf Failed to open conf.php file for writing", LOG_WARNING);
return -1;
}
}
else
{
dol_syslog("encodedecode_dbpassconf Failed to read conf.php", LOG_ERR);
return -2;
}
}
/**
* Return a generated password using default module
*
* @param boolean $generic true=Create generic password (a MD5 string), false=Use the configured password generation module
* @return string New value for password
*/
function getRandomPassword($generic=false)
{
global $db,$conf,$langs,$user;
$generated_password='';
if ($generic) $generated_password=dol_hash(mt_rand());
else if ($conf->global->USER_PASSWORD_GENERATED)
{
$nomclass="modGeneratePass".ucfirst($conf->global->USER_PASSWORD_GENERATED);
$nomfichier=$nomclass.".class.php";
//print DOL_DOCUMENT_ROOT."/core/modules/security/generate/".$nomclass;
require_once(DOL_DOCUMENT_ROOT."/core/modules/security/generate/".$nomfichier);
$genhandler=new $nomclass($db,$conf,$langs,$user);
$generated_password=$genhandler->getNewGeneratedPassword();
unset($genhandler);
}
return $generated_password;
}
?>