diff -r d62212462f9b -r 1b4288399b1f uiconfig.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiconfig.php	Tue Sep 23 23:26:18 2008 -0400
@@ -0,0 +1,176 @@
+<?php
+
+/**
+ * Greyhound - real web management for Amarok
+ * Copyright (C) 2008 Dan Fuhry
+ *
+ * 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.
+ */
+
+// rebooting doesn't work at this point
+define('REBOOT_SUPPORT', false);
+
+function greyhound_config($httpd, $socket)
+{
+  global $use_auth;
+  
+  // validate the session
+  if ( !session_check() )
+  {
+    $httpd->header('HTTP/1.1 307 Temporary Redirect');
+    $httpd->header('Location: /login');
+    
+    return;
+  }
+  
+  $tried = false;
+  $success = false;
+  $needpass = false;
+  $error = false;
+  
+  // if a config password is set, make sure it matches.
+  $authed = false;
+  if ( empty($GLOBALS['configpass']) )
+  {
+    $authed = true;
+  }
+  else
+  {
+    $needpass = true;
+    if ( isset($_POST['configpass']) && sha1($_POST['configpass']) === $GLOBALS['configpass'] )
+    {
+      $authed = true;
+      $tried = true;
+    }
+    else if ( isset($_POST['configpass']) )
+    {
+      $error = 'You didn\'t enter the right configuration password, so the changes weren\'t saved.';
+      $tried = true;
+    }
+  }
+  
+  if ( $authed && isset($_POST['submit']) )
+  {
+    $need_reboot = ( isset($_POST['public']) !== $GLOBALS['public'] ||
+                     isset($_POST['allow_fork']) !== $GLOBALS['allow_fork']);
+    
+    // compile the new config file
+    $public = ( isset($_POST['public']) ) ? 'true' : 'false';
+    $allowcontrol = ( isset($_POST['allowcontrol']) ) ? 'true' : 'false';
+    $allow_fork = ( isset($_POST['allow_fork']) ) ? 'true' : 'false';
+    $use_auth = ( isset($_POST['use_auth']) ) ? 'true' : 'false';
+    
+    // for auth_data, we're going to merge the data from POST with the current auth_data array.
+    $auth_data = $GLOBALS['auth_data'];
+    $auth_changed = false;
+    foreach ( $auth_data as $user => $pass )
+    {
+      if ( !in_array($user, $_POST['users']) )
+      {
+        $auth_changed = true;
+        unset($auth_data[$user]);
+      }
+    }
+    if ( isset($_POST['users_add']) )
+    {
+      foreach ( $_POST['users_add'] as $user => $pass )
+      {
+        $auth_changed = true;
+        $auth_data[$user] = $pass;
+      }
+    }
+    $auth_data = var_export_string($auth_data);
+    
+    $new_configpass = ( is_string($_POST['newconfigpass']) && $_POST['newconfigpass'] != '____________________' ) ? sha1($_POST['newconfigpass']) : $GLOBALS['configpass'];
+    
+    $config_file = <<<EOF
+<?php
+
+//
+// GREYHOUND CONFIGURATION
+//
+
+// Listen on all interfaces. If this is false, it will only listen on
+// 127.0.0.1 (the loopback interface)
+\$GLOBALS['public'] = $public;
+
+// Allow control of playback. By default this is turned on but if you
+// set this to false, it will only display the playlist.
+\$GLOBALS['allowcontrol'] = $allowcontrol;
+
+// The default theme. This should be a name of a directory in ./themes.
+\$GLOBALS['theme'] = 'grey';
+
+// Allow forking when an HTTP request is received. This has advantages
+// and disadvantages. If this experimental option is enabled, it will
+// result in faster responses and load times but more memory usage.
+\$GLOBALS['allow_fork'] = $allow_fork;
+
+// set to true to enable authentication
+// this uses cookies, so make sure they're enabled in your browser
+\$GLOBALS['use_auth'] = $use_auth;
+
+// valid users and passwords
+\$GLOBALS['auth_data'] = $auth_data;
+
+// password for site configuration
+\$GLOBALS['configpass'] = '$new_configpass';
+
+EOF;
+    $error = 'Couldn\'t write to the config file (./greyhound-config.php).';
+    
+    $fp = @fopen('./greyhound-config.php', 'w');
+    if ( $fp )
+    {
+      fwrite($fp, $config_file);
+      fclose($fp);
+      
+      $passblurb = $auth_changed ? "\n<small>If you changed your own password, you've been logged out so you'll need to log back in again.</small>" : '';
+      if ( REBOOT_SUPPORT )
+      {
+        $rebootblurb = $need_reboot ? "\n<small>Since you changed some core configuration values, the Greyhound server has been restarted.</small>\n<small>If Greyhound doesn't respond, wait 20 seconds and then restart it using Amarok's script manager.</small>" : '';
+      }
+      else
+      {
+        $rebootblurb = $need_reboot ? "\n<small>Please restart Greyhound using Amarok's script manager for public IP and multithreading options to take effect.</small>" : '';
+      }
+      $success = "Configuration changes successful.{$passblurb}{$rebootblurb}";
+      $httpd->threader->ipc_send(array('action' => 'reloadconfig', 'propagate' => true));
+      
+      if ( $need_reboot && REBOOT_SUPPORT )
+      {
+        $addr = $GLOBALS['public'] ? '0.0.0.0' : '127.0.0.1';
+        $fork = $GLOBALS['allow_fork'];
+        $httpd->reboot($addr, null, $fork);
+      }
+    }
+  }
+  
+  global $theme;
+  $iphone = ( ( strpos($_SERVER['HTTP_USER_AGENT'], 'iPhone') ||
+       strpos($_SERVER['HTTP_USER_AGENT'], 'iPod') ||
+       strpos($_SERVER['HTTP_USER_AGENT'], 'BlackBerry') ||
+       isset($_GET['m']) )
+       && !isset($_GET['f'])
+       );
+  $theme_id = ( $iphone ) ? 'iphone' : $theme;
+  $smarty = load_theme($theme_id);
+  
+  $smarty->assign('theme', $theme_id);
+  $smarty->assign('greyhound_version', GREY_VERSION);
+  $smarty->assign('tried', $tried);
+  $smarty->assign('success', $success);
+  $smarty->assign('needpass', $needpass);
+  $smarty->assign('use_auth', $use_auth);
+  $smarty->assign('public', $GLOBALS['public']);
+  $smarty->assign('allowcontrol', $GLOBALS['allowcontrol']);
+  $smarty->assign('allow_fork', $GLOBALS['allow_fork']);
+  $smarty->assign('use_auth', $GLOBALS['use_auth']);
+  $smarty->assign('users', $GLOBALS['auth_data']);
+  $smarty->assign('error', $error);
+  $smarty->display('config.tpl');
+}