<?php

/* Reminder: always indent with 4 spaces (no tabs). */
// +---------------------------------------------------------------------------+
// | Autotags Plugin 1.0                                                       |
// +---------------------------------------------------------------------------+
// | install.php                                                               |
// |                                                                           |
// | This file installs and removes the data structures for the                |
// | Autotags plugin for Geeklog.                                              |
// +---------------------------------------------------------------------------+
// | Autotags Plugin Copyright (C) 2006 by the following authors:              |
// |          Joe Mucchiello    - jmucchiello AT yahoo DOT com                 |
// +---------------------------------------------------------------------------+
// | Based on the Universal Plugin and prior work by the following authors:    |
// |                                                                           |
// | Copyright (C) 2002-2006 by the following authors:                         |
// |                                                                           |
// | Authors: Tony Bibbs        - tony AT tonybibbs DOT com                    |
// |          Tom Willett       - tom AT pigstye DOT net                       |
// |          Blaine Lang       - blaine AT portalparts DOT com                |
// |          Dirk Haun         - dirk AT haun-online DOT de                   |
// |          Vincent Furia     - vinny01 AT users DOT sourceforge DOT net     |
// +---------------------------------------------------------------------------+
// |                                                                           |
// | 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, write to the Free Software Foundation,   |
// | Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.           |
// |                                                                           |
// +---------------------------------------------------------------------------+
//
// $Id: install.php,v 1.20 2006/02/11 10:21:06 dhaun Exp $

require_once ('../../../lib-common.php');

$_TABLES['autotags']  = $_DB_table_prefix . 'autotags_plg';	

// Plugin information
//
// ----------------------------------------------------------------------------
//
$pi_display_name = 'Autotags';
$pi_name         = 'autotags';
$pi_version      = '1.02jp1';
$gl_version      = '1.4.0';
$pi_url          = 'http://www.geeklog.net/';

// name of the Admin group
$pi_admin        = $pi_display_name . ' Admin';

// the plugin's groups - assumes first group to be the Admin group
$GROUPS = array();
$GROUPS[$pi_admin] = 'Users in this group can administer the Autotags plugin';

$FEATURES = array();
$FEATURES['autotags.admin']    = 'Ability to create new Autotags';
$FEATURES['autotags.PHP']      = 'Ability to create Autotags which use a PHP function';

$MAPPINGS = array();
$MAPPINGS['autotags.admin']       = array ($pi_admin);

// (optional) data to pre-populate tables with
// Insert table name and sql to insert default data for your plugin.
// Note: '#group#' will be replaced with the id of the plugin's admin group.
$DEFVALUES = array(
    "INSERT INTO {$_TABLES['autotags']} (tag, is_enabled, is_function, description, replacement) VALUES ('cipher', 0, 1, 'A simple substitution cipher. This is rot13: [cipher:nopqrstuvwxyzabcdefghijklm Text to encode]', NULL)",
    "INSERT INTO {$_TABLES['autotags']} (tag, is_enabled, is_function, description, replacement) VALUES ('topic', 0, 1, 'Provides a link to index.php with the specified topic: [topic:tid]', NULL)",
    "INSERT INTO {$_TABLES['autotags']} (tag, is_enabled, is_function, description, replacement) VALUES ('lang', 0, 1, 'Provides access to the $LANG family of variables', NULL)",
    "INSERT INTO {$_TABLES['autotags']} (tag, is_enabled, is_function, description, replacement) VALUES ('poll', 0, 0, 'Provides a link to the results of a poll: [poll:poll_id Link text]', '<a href=\"#U/polls/index.php?qid=#1&aid=-1\">#2</a>')",
    "INSERT INTO {$_TABLES['autotags']} (tag, is_enabled, is_function, description, replacement) VALUES ('youtube', 0, 0, 'Embeds a youtube.com video: [youtube:video_id]', '<object width=\"425\" height=\"350\"><param name=\"movie\" value=\"http://www.youtube.com/v/#1\"></param><param name=\"wmode\" value=\"transparent\"></param><embed src=\"http://www.youtube.com/v/#1\" type=\"application/x-shockwave-flash\" wmode=\"transparent\" width=\"425\" height=\"350\"></embed></object>')"
);
// no default data

/**
* Checks the requirements for this plugin and if it is compatible with this
* version of Geeklog.
*
* @return   boolean     true = proceed with install, false = not compatible
*
*/
function plugin_compatible_with_this_geeklog_version ()
{
    return true;
}
//
// ----------------------------------------------------------------------------
//
// The code below should be the same for most plugins and usually won't
// require modifications.
$base_path = $_CONF['path'] . 'plugins/' . $pi_name . '/';
$langfile = $base_path . $_CONF['language'] . '.php';
if (file_exists ($langfile)) {
    require_once ($langfile);
} else {
    require_once ($base_path . 'language/english.php');
}
require_once ($base_path . 'config.php');
require_once ($base_path . 'functions.inc');


// Only let Root users access this page
if (!SEC_inGroup ('Root')) {
    // Someone is trying to illegally access this page
    COM_accessLog ("Someone has tried to illegally access the {$pi_display_name} install/uninstall page.  User id: {$_USER['uid']}, Username: {$_USER['username']}, IP: {$_SERVER['REMOTE_ADDR']}", 1);

    $display = COM_siteHeader ('menu', $LANG_ACCESS['accessdenied'])
             . COM_startBlock ($LANG_ACCESS['accessdenied'])
             . $LANG_ACCESS['plugin_access_denied_msg']
             . COM_endBlock ()
             . COM_siteFooter ();

    echo $display;
    exit;
}
 

/**
* Puts the datastructures for this plugin into the Geeklog database
*
*/
function plugin_install_now()
{
    global $_CONF, $_TABLES, $_USER, $GROUPS, $FEATURES, $MAPPINGS, $DEFVALUES,
           $base_path,
           $pi_name, $pi_display_name, $pi_version, $gl_version, $pi_url;

    COM_errorLog ("Attempting to install the $pi_display_name plugin", 1);

    $uninstall_plugin = 'plugin_uninstall_' . $pi_name;

    // create the plugin's groups
    $admin_group_id = 0;
    foreach ($GROUPS as $name => $desc) {
        COM_errorLog ("Attempting to create $name group", 1);

        $grp_name = addslashes ($name);
        $grp_desc = addslashes ($desc);
        DB_query ("INSERT INTO {$_TABLES['groups']} (grp_name, grp_descr) VALUES ('$grp_name', '$grp_desc')", 1);
        if (DB_error ()) {
            $uninstall_plugin ();

            return false;
        }

        // replace the description with the new group id so we can use it later
        $GROUPS[$name] = DB_insertId ();

        // assume that the first group is the plugin's Admin group
        if ($admin_group_id == 0) {
            $admin_group_id = $GROUPS[$name];
        }
    }

    // Create the plugin's table(s)
    $_SQL = array ();
//    if (file_exists ($base_path . 'sql/install.php')) {
        require_once ($base_path . 'sql/install.php');
//    }

    foreach ($_SQL as $sql) {
        $sql = str_replace ('#group#', $admin_group_id, $sql);
        DB_query ($sql);
        if (DB_error ()) {
            COM_errorLog ('Error creating table', 1);
            $uninstall_plugin ();

            return false;
        }
    }

    // Add the plugin's features
    COM_errorLog ("Attempting to add $pi_display_name feature(s)", 1);

    foreach ($FEATURES as $feature => $desc) {
        $ft_name = addslashes ($feature);
        $ft_desc = addslashes ($desc);
        DB_query ("INSERT INTO {$_TABLES['features']} (ft_name, ft_descr) "
                  . "VALUES ('$ft_name', '$ft_desc')", 1);
        if (DB_error ()) {
            $uninstall_plugin ();

            return false;
        }

        $feat_id = DB_insertId ();

        if (isset ($MAPPINGS[$feature])) {
            foreach ($MAPPINGS[$feature] as $group) {
                COM_errorLog ("Adding $feature feature to the $group group", 1);
                DB_query ("INSERT INTO {$_TABLES['access']} (acc_ft_id, acc_grp_id) VALUES ($feat_id, {$GROUPS[$group]})");
                if (DB_error ()) {
                    $uninstall_plugin ();

                    return false;
                }
            }
        }
    }

    // Add plugin's Admin group to the Root user group
    // (assumes that the Root group's ID is always 1)
    COM_errorLog ("Attempting to give all users in the Root group access to the $pi_display_name's Admin group", 1);

    DB_query ("INSERT INTO {$_TABLES['group_assignments']} VALUES "
              . "($admin_group_id, NULL, 1)");
    if (DB_error ()) {
        $uninstall_plugin ();

        return false;
    }

    // Pre-populate tables or run any other SQL queries
    COM_errorLog ('Inserting default data', 1);
    foreach ($DEFVALUES as $sql) {
        $sql = str_replace ('#group#', $admin_group_id, $sql);
        
        DB_query ($sql, 1);
        if (DB_error ()) {
            COM_errorLog('Failed:'.$sql);
            $uninstall_plugin ();

            return false;
        }
    }

    // Finally, register the plugin with Geeklog
    COM_errorLog ("Registering $pi_display_name plugin with Geeklog", 1);

    // silently delete an existing entry
    DB_delete ($_TABLES['plugins'], 'pi_name', $pi_name);

    DB_query("INSERT INTO {$_TABLES['plugins']} (pi_name, pi_version, pi_gl_version, pi_homepage, pi_enabled) VALUES "
        . "('$pi_name', '$pi_version', '$gl_version', '$pi_url', 1)");

    if (DB_error ()) {
        $uninstall_plugin ();

        return false;
    }

    COM_errorLog ("Successfully installed the $pi_display_name plugin!", 1);

    return true;
}


// MAIN
$display = 'default';

if ($_REQUEST['action'] == 'uninstall') {
    $uninstall_plugin = 'plugin_uninstall_' . $pi_name;
    if ($uninstall_plugin ()) {
        $display = COM_refresh ($_CONF['site_admin_url']
                                . '/plugins.php?msg=45');
    } else {
        $display = COM_refresh ($_CONF['site_admin_url']
                                . '/plugins.php?msg=73');
    }
} else if (DB_count ($_TABLES['plugins'], 'pi_name', $pi_name) == 0) {
    // plugin not installed

    if (plugin_compatible_with_this_geeklog_version ()) {
        if (plugin_install_now ()) {
            $display = COM_refresh ($_CONF['site_admin_url']
                                    . '/plugins.php?msg=44');
        } else {
            $display = COM_refresh ($_CONF['site_admin_url']
                                    . '/plugins.php?msg=72');
        }
    } else {
        // plugin needs a newer version of Geeklog
        $display .= COM_siteHeader ('menu', $LANG32[8])
                 . COM_startBlock ($LANG32[8])
                 . '<p>' . $LANG32[9] . '</p>'
                 . COM_endBlock ()
                 . COM_siteFooter ();
    }
} else {
    // plugin already installed
    $display .= COM_siteHeader ('menu', $LANG01[77])
             . COM_startBlock ($LANG32[6])
             . '<p>' . $LANG32[7] . '</p>'
             . COM_endBlock ()
             . COM_siteFooter();
}

echo $display;

?>