1 <?php

     2 

     3 /*

     4  * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between

     5  * Version 1.1.1

     6  * Copyright (C) 2006-2007 Dan Fuhry

     7  * Installation package

     8  * libenanoinstall.php - Installation payload backend

     9  *

    10  * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License

    11  * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

    12  *

    13  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied

    14  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.

    15  */

    16 

    17 $neutral_color = 'C';

    18 

    19 function run_installer_stage($stage_id, $stage_name, $function, $failure_explanation, $allow_skip = true)

    20 {

    21   static $resumed = false;

    22   static $resume_stack = array();

    23   

    24   if ( empty($resume_stack) && isset($_POST['resume_stack']) && preg_match('/[a-z_]+((\|[a-z_]+)+)/', $_POST['resume_stack']) )

    25   {

    26     $resume_stack = explode('|', $_POST['resume_stack']);

    27   }

    28   

    29   $already_run = false;

    30   if ( in_array($stage_id, $resume_stack) )

    31   {

    32     $already_run = true;

    33   }

    34   

    35   if ( !$resumed )

    36   {

    37     if ( !isset($_GET['sub']) )

    38       $resumed = true;

    39     if ( isset($_GET['sub']) && $_GET['sub'] == $stage_id )

    40     {

    41       $resumed = true;

    42     }

    43   }

    44   if ( !$resumed && $allow_skip )

    45   {

    46     echo_stage_success($stage_id, $stage_name);

    47     return false;

    48   }

    49   if ( !function_exists($function) )

    50     die('libenanoinstall: CRITICAL: function "' . $function . '" for ' . $stage_id . ' doesn\'t exist');

    51   $result = @call_user_func($function, false, $already_run);

    52   if ( $result )

    53   {

    54     echo_stage_success($stage_id, $stage_name);

    55     $resume_stack[] = $stage_id;

    56     return true;

    57   }

    58   else

    59   {

    60     echo_stage_failure($stage_id, $stage_name, $failure_explanation, $resume_stack);

    61     return false;

    62   }

    63 }

    64 

    65 function start_install_table()

    66 {

    67   echo '<table border="0" cellspacing="0" cellpadding="0" style="margin-top: 10px;">' . "\n";

    68 }

    69 

    70 function close_install_table()

    71 {

    72   echo '</table>' . "\n\n";

    73   flush();

    74 }

    75 

    76 function echo_stage_success($stage_id, $stage_name)

    77 {

    78   global $neutral_color;

    79   $neutral_color = ( $neutral_color == 'A' ) ? 'C' : 'A';

    80   echo '<tr><td style="width: 500px; background-color: #' . "{$neutral_color}{$neutral_color}FF{$neutral_color}{$neutral_color}" . '; padding: 0 5px;">' . htmlspecialchars($stage_name) . '</td><td style="padding: 0 5px;"><img alt="Done" src="../images/good.gif" /></td></tr>' . "\n";

    81   flush();

    82 }

    83 

    84 function echo_stage_failure($stage_id, $stage_name, $failure_explanation, $resume_stack)

    85 {

    86   global $neutral_color;

    87   global $lang;

    88   

    89   $neutral_color = ( $neutral_color == 'A' ) ? 'C' : 'A';

    90   echo '<tr><td style="width: 500px; background-color: #' . "FF{$neutral_color}{$neutral_color}{$neutral_color}{$neutral_color}" . '; padding: 0 5px;">' . htmlspecialchars($stage_name) . '</td><td style="padding: 0 5px;"><img alt="Failed" src="../images/bad.gif" /></td></tr>' . "\n";

    91   flush();

    92   close_install_table();

    93   $post_data = '';

    94   $mysql_error = mysql_error();

    95   foreach ( $_POST as $key => $value )

    96   {

    97     // FIXME: These should really also be sanitized for double quotes

    98     $value = htmlspecialchars($value);

    99     $key = htmlspecialchars($key);

   100     $post_data .= "          <input type=\"hidden\" name=\"$key\" value=\"$value\" />\n";

   101   }

   102   echo '<form action="install.php?stage=install&amp;sub=' . $stage_id . '" method="post">

   103           ' . $post_data . '

   104           <input type="hidden" name="resume_stack" value="' . htmlspecialchars(implode('|', $resume_stack)) . '" />

   105           <h3>' . $lang->get('meta_msg_err_stagefailed_title') . '</h3>

   106            <p>' . $failure_explanation . '</p>

   107            ' . ( !empty($mysql_error) ? "<p>" . $lang->get('meta_msg_err_stagefailed_mysqlerror') . " $mysql_error</p>" : '' ) . '

   108            <p>' . $lang->get('meta_msg_err_stagefailed_body') . '</p>

   109            <p style="text-align: center;"><input type="submit" value="' . $lang->get('meta_btn_retry_installation') . '" /></p>

   110         </form>';

   111   global $ui;

   112   $ui->show_footer();

   113   exit;

   114 }

   115 

   116 ?>