diff -r 299a90e28abc -r 87e08a6e4fec install/includes/libenanoinstall.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/install/includes/libenanoinstall.php	Wed Jan 16 13:55:49 2008 -0500
@@ -0,0 +1,116 @@
+<?php
+
+/*
+ * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
+ * Version 1.1.1
+ * Copyright (C) 2006-2007 Dan Fuhry
+ * Installation package
+ * libenanoinstall.php - Installation payload backend
+ *
+ * This program is Free Software; you can redistribute 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 details.
+ */
+
+$neutral_color = 'C';
+
+function run_installer_stage($stage_id, $stage_name, $function, $failure_explanation, $allow_skip = true)
+{
+  static $resumed = false;
+  static $resume_stack = array();
+  
+  if ( empty($resume_stack) && isset($_POST['resume_stack']) && preg_match('/[a-z_]+((\|[a-z_]+)+)/', $_POST['resume_stack']) )
+  {
+    $resume_stack = explode('|', $_POST['resume_stack']);
+  }
+  
+  $already_run = false;
+  if ( in_array($stage_id, $resume_stack) )
+  {
+    $already_run = true;
+  }
+  
+  if ( !$resumed )
+  {
+    if ( !isset($_GET['sub']) )
+      $resumed = true;
+    if ( isset($_GET['sub']) && $_GET['sub'] == $stage_id )
+    {
+      $resumed = true;
+    }
+  }
+  if ( !$resumed && $allow_skip )
+  {
+    echo_stage_success($stage_id, $stage_name);
+    return false;
+  }
+  if ( !function_exists($function) )
+    die('libenanoinstall: CRITICAL: function "' . $function . '" for ' . $stage_id . ' doesn\'t exist');
+  $result = @call_user_func($function, false, $already_run);
+  if ( $result )
+  {
+    echo_stage_success($stage_id, $stage_name);
+    $resume_stack[] = $stage_id;
+    return true;
+  }
+  else
+  {
+    echo_stage_failure($stage_id, $stage_name, $failure_explanation, $resume_stack);
+    return false;
+  }
+}
+
+function start_install_table()
+{
+  echo '<table border="0" cellspacing="0" cellpadding="0" style="margin-top: 10px;">' . "\n";
+}
+
+function close_install_table()
+{
+  echo '</table>' . "\n\n";
+  flush();
+}
+
+function echo_stage_success($stage_id, $stage_name)
+{
+  global $neutral_color;
+  $neutral_color = ( $neutral_color == 'A' ) ? 'C' : 'A';
+  echo '<tr><td style="width: 500px; background-color: #' . "{$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";
+  flush();
+}
+
+function echo_stage_failure($stage_id, $stage_name, $failure_explanation, $resume_stack)
+{
+  global $neutral_color;
+  global $lang;
+  
+  $neutral_color = ( $neutral_color == 'A' ) ? 'C' : 'A';
+  echo '<tr><td style="width: 500px; background-color: #' . "FF{$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";
+  flush();
+  close_install_table();
+  $post_data = '';
+  $mysql_error = mysql_error();
+  foreach ( $_POST as $key => $value )
+  {
+    // FIXME: These should really also be sanitized for double quotes
+    $value = htmlspecialchars($value);
+    $key = htmlspecialchars($key);
+    $post_data .= "          <input type=\"hidden\" name=\"$key\" value=\"$value\" />\n";
+  }
+  echo '<form action="install.php?stage=install&amp;sub=' . $stage_id . '" method="post">
+          ' . $post_data . '
+          <input type="hidden" name="resume_stack" value="' . htmlspecialchars(implode('|', $resume_stack)) . '" />
+          <h3>' . $lang->get('meta_msg_err_stagefailed_title') . '</h3>
+           <p>' . $failure_explanation . '</p>
+           ' . ( !empty($mysql_error) ? "<p>" . $lang->get('meta_msg_err_stagefailed_mysqlerror') . " $mysql_error</p>" : '' ) . '
+           <p>' . $lang->get('meta_msg_err_stagefailed_body') . '</p>
+           <p style="text-align: center;"><input type="submit" value="' . $lang->get('meta_btn_retry_installation') . '" /></p>
+        </form>';
+  global $ui;
+  $ui->show_footer();
+  exit;
+}
+
+?>