<?php
/* Copyright (C) 2002-2005	Rodolphe Quiedeville	<rodolphe@quiedeville.org>
 * Copyright (C) 2002-2003	Jean-Louis Bergamo		<jlb@j1b.org>
 * Copyright (C) 2004-2020	Laurent Destailleur		<eldy@users.sourceforge.net>
 * Copyright (C) 2004		Eric Seigne				<eric.seigne@ryxeo.com>
 * Copyright (C) 2005-2017	Regis Houssin			<regis.houssin@inodbox.com>
 * Copyright (C) 2012		Juanjo Menent			<jmenent@2byte.es>
 *
 * 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 3 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 <https://www.gnu.org/licenses/>.
 */

/**
 *       \file       htdocs/user/perms.php
 *       \brief      Onglet user et permissions de la fiche utilisateur
 */

require '../main.inc.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/usergroups.lib.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';

// Load translation files required by page
$langs->loadLangs(array('users', 'admin'));

$id = GETPOST('id', 'int');
$action = GETPOST('action', 'alpha');
$confirm = GETPOST('confirm', 'alpha');
$module = GETPOST('module', 'alpha');
$rights = GETPOST('rights', 'int');
$contextpage = GETPOST('contextpage', 'aZ') ?GETPOST('contextpage', 'aZ') : 'userperms'; // To manage different context of search

if (!isset($id) || empty($id)) accessforbidden();

// Define if user can read permissions
$canreaduser = ($user->admin || $user->rights->user->user->lire);
// Define if user can modify other users and permissions
$caneditperms = ($user->admin || $user->rights->user->user->creer);
// Advanced permissions
if (!empty($conf->global->MAIN_USE_ADVANCED_PERMS))
{
	$canreaduser = ($user->admin || ($user->rights->user->user->lire && $user->rights->user->user_advance->readperms));
	$caneditselfperms = ($user->id == $id && $user->rights->user->self_advance->writeperms);
	$caneditperms = (($caneditperms || $caneditselfperms) ? 1 : 0);
}

// Security check
$socid = 0;
if (isset($user->socid) && $user->socid > 0) $socid = $user->socid;
$feature2 = (($socid && $user->rights->user->self->creer) ? '' : 'user');
// A user can always read its own card if not advanced perms enabled, or if he has advanced perms, except for admin
if ($user->id == $id && (!empty($conf->global->MAIN_USE_ADVANCED_PERMS) && empty($user->rights->user->self_advance->readperms) && empty($user->admin)))
{
	accessforbidden();
}

$result = restrictedArea($user, 'user', $id, 'user&user', $feature2);
if ($user->id <> $id && !$canreaduser) accessforbidden();

$object = new User($db);
$object->fetch($id, '', '', 1);
$object->getrights();

$entity = $conf->entity;

// Initialize technical object to manage hooks of page. Note that conf->hooks_modules contains array of hook context
$hookmanager->initHooks(array('usercard', 'userperms', 'globalcard'));


/*
 * Actions
 */

$parameters = array('id'=>$socid);
$reshook = $hookmanager->executeHooks('doActions', $parameters, $object, $action); // Note that $action and $object may have been modified by some hooks
if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'errors');

if (empty($reshook)) {
	if ($action == 'addrights' && $caneditperms) {
		$edituser = new User($db);
		$edituser->fetch($object->id);
		$result = $edituser->addrights($rights, $module, '', $entity);
		if ($result < 0)
		{
			setEventMessages($edituser->error, $edituser->errors, 'errors');
		}

		// If we are changing our own permissions, we reload
		if ($object->id == $user->id) {
			$user->clearrights();
			$user->getrights();
			$menumanager->loadMenu();
		}

		$object->clearrights();
		$object->getrights();
	}

	if ($action == 'delrights' && $caneditperms) {
		$edituser = new User($db);
		$edituser->fetch($object->id);
		$result = $edituser->delrights($rights, $module, '', $entity);
		if ($result < 0)
		{
			setEventMessages($edituser->error, $edituser->errors, 'errors');
		}

		// If we are changing our own permissions, we reload
		if ($object->id == $user->id) {
			$user->clearrights();
			$user->getrights();
			$menumanager->loadMenu();
		}

		$object->clearrights();
		$object->getrights();
	}
}


/*
 *	View
 */

$form = new Form($db);

llxHeader('', $langs->trans("Permissions"));

$head = user_prepare_head($object);

$title = $langs->trans("User");
dol_fiche_head($head, 'rights', $title, -1, 'user');


$db->begin();

// Search all modules with permission and reload permissions def.
$modules = array();
$modulesdir = dolGetModulesDirs();

foreach ($modulesdir as $dir)
{
	$handle = @opendir(dol_osencode($dir));
	if (is_resource($handle))
	{
		while (($file = readdir($handle)) !== false)
		{
			if (is_readable($dir.$file) && substr($file, 0, 3) == 'mod' && substr($file, dol_strlen($file) - 10) == '.class.php')
			{
				$modName = substr($file, 0, dol_strlen($file) - 10);

				if ($modName)
				{
					include_once $dir.$file;
					$objMod = new $modName($db);

    	            // Load all lang files of module
    	            if (isset($objMod->langfiles) && is_array($objMod->langfiles))
    	            {
    	            	foreach ($objMod->langfiles as $domain)
    	            	{
    	            		$langs->load($domain);
    	            	}
    	            }
    	            // Load all permissions
    	            if ($objMod->rights_class)
    	            {
    	                $ret = $objMod->insert_permissions(0, $entity);
    	                $modules[$objMod->rights_class] = $objMod;
    	                //print "modules[".$objMod->rights_class."]=$objMod;";
    	            }
    	        }
    	    }
    	}
    }
}

$db->commit();

// Read permissions of user
$permsuser = array();

$sql = "SELECT DISTINCT ur.fk_id";
$sql .= " FROM ".MAIN_DB_PREFIX."user_rights as ur";
$sql .= " WHERE ur.entity = ".$entity;
$sql .= " AND ur.fk_user = ".$object->id;

dol_syslog("get user perms", LOG_DEBUG);
$result = $db->query($sql);
if ($result)
{
	$num = $db->num_rows($result);
	$i = 0;
	while ($i < $num)
	{
		$obj = $db->fetch_object($result);
		array_push($permsuser, $obj->fk_id);
		$i++;
	}
	$db->free($result);
}
else
{
	dol_print_error($db);
}

// Lecture des droits groupes
$permsgroupbyentity = array();

$sql = "SELECT DISTINCT gr.fk_id, gu.entity";
$sql .= " FROM ".MAIN_DB_PREFIX."usergroup_rights as gr,";
$sql .= " ".MAIN_DB_PREFIX."usergroup_user as gu";
$sql .= " WHERE gr.entity = ".$entity;
$sql .= " AND gr.fk_usergroup = gu.fk_usergroup";
$sql .= " AND gu.fk_user = ".$object->id;

dol_syslog("get user perms", LOG_DEBUG);
$result = $db->query($sql);
if ($result)
{
	$num = $db->num_rows($result);
	$i = 0;
	while ($i < $num)
	{
		$obj = $db->fetch_object($result);
		if (!isset($permsgroupbyentity[$obj->entity]))
			$permsgroupbyentity[$obj->entity] = array();
		array_push($permsgroupbyentity[$obj->entity], $obj->fk_id);
		$i++;
	}
	$db->free($result);
}
else
{
	dol_print_error($db);
}


/*
 * Part to add/remove permissions
 */

$linkback = '';

if ($user->rights->user->user->lire || $user->admin) {
	$linkback = '<a href="'.DOL_URL_ROOT.'/user/list.php?restore_lastsearch_values=1">'.$langs->trans("BackToList").'</a>';
}

dol_banner_tab($object, 'id', $linkback, $user->rights->user->user->lire || $user->admin);


print '<div class="underbanner clearboth"></div>';

if ($user->admin) print info_admin($langs->trans("WarningOnlyPermissionOfActivatedModules"));
// Show warning about external users
if (empty($user->socid)) print info_admin(showModulesExludedForExternal($modules))."\n";

$parameters = array('permsgroupbyentity'=>$permsgroupbyentity);
$reshook = $hookmanager->executeHooks('insertExtraHeader', $parameters, $object, $action); // Note that $action and $object may have been modified by some hooks
if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'errors');


print "\n";
print '<div class="div-table-responsive-no-min">';
print '<table class="noborder centpercent">';

print '<tr class="liste_titre">';
print '<td>'.$langs->trans("Module").'</td>';
if (($caneditperms && empty($objMod->rights_admin_allowed)) || empty($object->admin))
{
	if ($caneditperms)
	{
		print '<td class="center nowrap">';
		print '<a class="reposition commonlink" title="'.dol_escape_htmltag($langs->trans("All")).'" alt="'.dol_escape_htmltag($langs->trans("All")).'" href="'.$_SERVER["PHP_SELF"].'?id='.$object->id.'&amp;action=addrights&amp;entity='.$entity.'&amp;module=allmodules">'.$langs->trans("All")."</a>";
		print ' / ';
		print '<a class="reposition commonlink" title="'.dol_escape_htmltag($langs->trans("None")).'" alt="'.dol_escape_htmltag($langs->trans("None")).'" href="'.$_SERVER["PHP_SELF"].'?id='.$object->id.'&amp;action=delrights&amp;entity='.$entity.'&amp;module=allmodules">'.$langs->trans("None")."</a>";
		print '</td>';
	}
	print '<td class="center" width="24">&nbsp;</td>';
}
print '<td>'.$langs->trans("Permissions").'</td>';
print '</tr>'."\n";

//print "xx".$conf->global->MAIN_USE_ADVANCED_PERMS;
$sql = "SELECT r.id, r.libelle as label, r.module, r.perms, r.subperms, r.module_position";
$sql .= " FROM ".MAIN_DB_PREFIX."rights_def as r";
$sql .= " WHERE r.libelle NOT LIKE 'tou%'"; // On ignore droits "tous"
$sql .= " AND r.entity = ".$entity;
if (empty($conf->global->MAIN_USE_ADVANCED_PERMS)) $sql .= " AND r.perms NOT LIKE '%_advance'"; // Hide advanced perms if option is not enabled
$sql .= " ORDER BY r.family_position, r.module_position, r.module, r.id";

$result = $db->query($sql);
if ($result)
{
	$num = $db->num_rows($result);
	$i = 0;
	$oldmod = '';

	while ($i < $num)
	{
		$obj = $db->fetch_object($result);

		// If line is for a module that doe snot existe anymore (absent of includes/module), we ignore it
		if (empty($modules[$obj->module]))
		{
			$i++;
			continue;
		}

		// Save field module_position in database if value is still zero
		if (empty($obj->module_position))
		{
			if (is_object($modules[$obj->module]) && ($modules[$obj->module]->module_position > 0))
			{
				// TODO Define familyposition
				$family = $modules[$obj->module]->family_position;
				$familyposition = 0;
				$sqlupdate = 'UPDATE '.MAIN_DB_PREFIX."rights_def SET module_position = ".$modules[$obj->module]->module_position.",";
				$sqlupdate .= " family_position = ".$familyposition;
				$sqlupdate .= " WHERE module_position = 0 AND module = '".$db->escape($obj->module)."'";
				$db->query($sqlupdate);
			}
		}

		if (isset($obj->module) && ($oldmod <> $obj->module))
		{
			$oldmod = $obj->module;

			// Break detected, we get objMod
			$objMod = $modules[$obj->module];
			$picto = ($objMod->picto ? $objMod->picto : 'generic');

    		// Show break line
    		print '<tr class="oddeven trforbreak">';
    		print '<td class="maxwidthonsmartphone tdoverflowonsmartphone">';
    		print img_object('', $picto, 'class="pictoobjectwidth paddingright"').' '.$objMod->getName();
    		print '<a name="'.$objMod->getName().'"></a>';
    		print '</td>';
    		if (($caneditperms && empty($objMod->rights_admin_allowed)) || empty($object->admin))
    		{
    			if ($caneditperms)
    			{
    				print '<td class="center nowrap">';
    				print '<a class="reposition" title="'.dol_escape_htmltag($langs->trans("All")).'" alt="'.dol_escape_htmltag($langs->trans("All")).'" href="'.$_SERVER["PHP_SELF"].'?id='.$object->id.'&amp;action=addrights&amp;entity='.$entity.'&amp;module='.$obj->module.'">'.$langs->trans("All")."</a>";
    				print ' / ';
    				print '<a class="reposition" title="'.dol_escape_htmltag($langs->trans("None")).'" alt="'.dol_escape_htmltag($langs->trans("None")).'" href="'.$_SERVER["PHP_SELF"].'?id='.$object->id.'&amp;action=delrights&amp;entity='.$entity.'&amp;module='.$obj->module.'">'.$langs->trans("None")."</a>";
    				print '</td>';
    			}
    			print '<td>&nbsp;</td>';
    		} else {
    			if ($caneditperms)
    			{
			    	print '<td>&nbsp;</td>';
    			}
    			print '<td>&nbsp;</td>';
		    }
    		print '<td>&nbsp;</td>';
    		print '</tr>'."\n";
        }

        print '<!-- '.$obj->module.'->'.$obj->perms.($obj->subperms ? '->'.$obj->subperms : '').' -->'."\n";
		print '<tr class="oddeven">';

		// Picto and label of module
		print '<td class="maxwidthonsmartphone tdoverflowonsmartphone">';
		//print img_object('', $picto, 'class="pictoobjectwidth"').' '.$objMod->getName();
		print '</td>';

        // Permission and tick
        if (!empty($object->admin) && !empty($objMod->rights_admin_allowed))    // Permission granted because admin
        {
        	if ($caneditperms)
        	{
        		print '<td class="center">'.img_picto($langs->trans("Administrator"), 'star').'</td>';
        	}
        	print '<td class="center nowrap">';
        	print img_picto($langs->trans("Active"), 'tick');
        	print '</td>';
        }
        elseif (in_array($obj->id, $permsuser))					// Permission granted by user
        {
        	if ($caneditperms)
        	{
        		print '<td class="center"><a class="reposition" href="'.$_SERVER["PHP_SELF"].'?id='.$object->id.'&amp;action=delrights&amp;entity='.$entity.'&amp;rights='.$obj->id.'">'.img_edit_remove($langs->trans("Remove")).'</a></td>';
        	}
        	print '<td class="center nowrap">';
        	print img_picto($langs->trans("Active"), 'tick');
        	print '</td>';
        }
        elseif (is_array($permsgroupbyentity[$entity]))
        {
        	if (in_array($obj->id, $permsgroupbyentity[$entity]))	// Permission granted by group
	        {
	        	if ($caneditperms)
	        	{
	        		print '<td class="center">';
	        		print $form->textwithtooltip($langs->trans("Inherited"), $langs->trans("PermissionInheritedFromAGroup"));
	        		print '</td>';
	        	}
	        	print '<td class="center nowrap">';
	        	print img_picto($langs->trans("Active"), 'tick');
	        	print '</td>';
	        }
	        else
	        {
	        	// Do not own permission
	        	if ($caneditperms)
	        	{
	        		print '<td class="center"><a class="reposition" href="'.$_SERVER["PHP_SELF"].'?id='.$object->id.'&amp;action=addrights&amp;entity='.$entity.'&amp;rights='.$obj->id.'">'.img_edit_add($langs->trans("Add")).'</a></td>';
	        	}
	        	print '<td>&nbsp</td>';
	        }
        }
        else
        {
        	// Do not own permission
        	if ($caneditperms)
        	{
        		print '<td class="center"><a class="reposition" href="'.$_SERVER["PHP_SELF"].'?id='.$object->id.'&amp;action=addrights&amp;entity='.$entity.'&amp;rights='.$obj->id.'">'.img_edit_add($langs->trans("Add")).'</a></td>';
        	}
        	print '<td>&nbsp</td>';
        }

        // Label
		$permlabel = ($conf->global->MAIN_USE_ADVANCED_PERMS && ($langs->trans("PermissionAdvanced".$obj->id) != ("PermissionAdvanced".$obj->id)) ? $langs->trans("PermissionAdvanced".$obj->id) : (($langs->trans("Permission".$obj->id) != ("Permission".$obj->id)) ? $langs->trans("Permission".$obj->id) : $langs->trans($obj->label)));
		print '<td class="maxwidthonsmartphone">'.$permlabel.'</td>';

		print '</tr>'."\n";

		$i++;
	}
}
else dol_print_error($db);
print '</table>';
print '</div>';

$parameters = array();
$reshook = $hookmanager->executeHooks('insertExtraFooter', $parameters, $object, $action); // Note that $action and $object may have been modified by some hooks
if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'errors');


dol_fiche_end();

// End of page
llxFooter();
$db->close();