Chip 2004 April/CMCD0404.ISO/Software/Freeware/Programare/groupoffice-com-2.01/classes/modules.class.inc

Text File | 2004-03-08 | 5KB | 193 lines

<?php
/*
Copyright Intermesh 2003
Author: Merijn Schering <[e-mail]>
Version: 1.0 Release date: 08 July 2003

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.
*/

class GO_MODULES extends db
{
    var $read_permissions = false;
    var $write_permissions = false;
    var $path;
    var $id;
    var $url;

    function GO_MODULES()
    {
        $this->db();
    }


    function authenticate($module_id)
    {
        global $GO_CONFIG, $GO_SECURITY;
        if($module = $this->get_module($module_id))
        {
            $_SESSION['GO_SESSION']['active_module'] = $module_id;
            $this->path = $module['path'];
            $this->read_permissions = $GO_SECURITY->has_permission($GO_SECURITY->user_id, $module['acl_read']);
            $this->write_permissions = $GO_SECURITY->has_permission($GO_SECURITY->user_id, $module['acl_write']);
            $this->id = $module_id;
            if ($GO_CONFIG->slash == '\\')
            {
                $this->url = $GO_CONFIG->host.str_replace('\\', '/', $module['path']);
            }else
            {
                $this->url = $GO_CONFIG->host.$module['path'];
            }

            if ($this->read_permissions || $this->write_permissions)
            {
                return true;
            }else
            {
                header('Location: '.$GO_CONFIG->host.'error_docs/403.php');
                exit();
            }
        }else
        {
            exit('Illegal module name specified');
        }
    }

    function has_read_permission($user_id, $module_id)
    {
        global $GO_SECURITY;
        $module = $this->get_module($module_id);
        if($GO_SECURITY->has_permission($user_id, $module['acl_read']) || $GO_SECURITY->has_permission($user_id, $module['acl_write']))
        {
            return true;
        }else
        {
            return false;
        }
    }


    function has_write_permission($user_id, $module_id)
    {
        global $GO_SECURITY;
        $module = $this->get_module($module_id);
        return $GO_SECURITY->has_permission($user_id, $module['acl_write']);
    }

    function get_module($module_id)
    {
        global $GO_CONFIG;

        $sql = "SELECT * FROM modules WHERE id='".addslashes($module_id)."'";
        $this->query($sql);
        if ($this->next_record())
        {
            if ($GO_CONFIG->slash == '\\')
            {
                $this->Record['url'] = $GO_CONFIG->host.str_replace('\\', '/', $this->f('path'));
            }else
            {
                $this->Record['url'] = $GO_CONFIG->host.$this->f('path');
            }
            return $this->Record;
        }else
        {
            return false;
        }
    }

    function add_module($module_id, $path, $acl_read, $acl_write)
    {
        $sql = "INSERT INTO modules (id, path, acl_read, acl_write) VALUES ('".addslashes($module_id)."', '".addslashes($path)."', '$acl_read', '$acl_write')";
        return $this->query($sql);
    }

    function update_module($old_module_id, $new_module_id, $path)
    {
        $sql = "UPDATE modules SET id='$new_module_id', path='$path' WHERE id='$old_module_id'";
        return $this->query($sql);
    }

    function delete_module($module_id)
    {
        global $GO_SECURITY;
        if ($module = $this->get_module($module_id))
        {
            $GO_SECURITY->delete_acl($module['acl_read']);
            $GO_SECURITY->delete_acl($module['acl_write']);
            $sql = "DELETE FROM modules WHERE id='".addslashes($module_id)."'";
            return $this->query($sql);
        }
        return false;
    }

    function get_modules()
    {
        $sql = "SELECT * FROM modules ORDER BY id ASC";
        $this->query($sql);
        return $this->num_rows();
    }

    function is_registered_module($path)
    {
        global $GO_CONFIG;
        if (substr($path, -1) != $GO_CONFIG->slash)
        {
            $path .= $GO_CONFIG->slash;
        }
        $path = str_replace($GO_CONFIG->root_path,'',$path);

        $sql = "SELECT id FROM modules WHERE path='".addslashes($path)."'";

        if ($this->query($sql))
        {
            if ($this->next_record())
            {
                return $this->f('id');
            }
        }
        return false;
    }

    function get_plugin($plugin_id, $module_id='')
    {
        global $GO_CONFIG;

        if ($module_id == '')
        {
            $module_path = $this->path;
        }else
        {
            if(!$module = $this->get_module($module_id))
            {
                return false;
            }else
            {
                $module_path = $module['path'];
            }
        }

        $plugin['id'] = $plugin_id;
        $plugin['path'] = $module_path.$plugin_id.$GO_CONFIG->slash;

        if(file_exists($GO_CONFIG->root_path.$plugin['path']))
        {

            if ($GO_CONFIG->slash == '\\')
            {
                $plugin['url'] = $GO_CONFIG->host.str_replace('\\', '/', $plugin['path']);
            }else
            {
                $plugin['url'] = $GO_CONFIG->host.$plugin['path'];
            }
            return $plugin;
        }else
        {
            return false;
        }
    }
}
?>