path: root/utils/modules/guestbook.php

<?php
/* -*- Mode: php; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

global $UTIL_DIR;

include_once($UTIL_DIR . "/forms.php");
include_once($UTIL_DIR . "/convert.php");

class GuestbookEntry {
	public $remoteaddr;
	public $title;
	public $email;
	public $time;
	public $text;

	public function show()
	{
		$str  = "<div class=\"guestbook_entry\">\n";
		$str .= "  <div class=\"guestbook_name\">" . $this->title . "</div>\n";
		$str .= "  <div class=\"guestbook_time\">" . date("D M jS Y G:i", $this->time) . "</div>\n";
		$str .= "  <div class=\"guestbook_email\">" . str_replace("@", "(A)", $this->email) . "</div>\n";
		$str .= "  <div class=\"guestbook_text\">" . $this->text . "</div>\n";
		$str .= "</div>\n";
		return $str;
	}

	public function write($fp)
	{
		fwrite($fp, "  <entry name=\"" .
					 htmlspecialchars($this->title, ENT_QUOTES, "UTF-8") . "\"\n");
		fwrite($fp, "         time=\"" . $this->time . "\"\n");
		fwrite($fp, "         email=\"" .
					 htmlspecialchars($this->email, ENT_QUOTES, "UTF-8") . "\"\n");
		fwrite($fp, "         remoteaddr=\"" .
					 htmlspecialchars($this->remoteaddr, ENT_QUOTES, "UTF-8") . "\"\n");
		fwrite($fp, "         text=\"" .
					 htmlspecialchars($this->text, ENT_QUOTES, "UTF-8") . "\">\n");
		fwrite($fp, "  </entry>\n");
	}

	public function GuestbookEntry($title, $email, $time, $remoteaddr, $text) {
		$this->title = $title;
		$this->email = $email;
		$this->time = $time;
		$this->remoteaddr = $remoteaddr;
		$this->text = $text;
	}
}

class Guestbook {
	private $file;
	private $guestbook = array();

  // Admin config
  public $admin_title = "Guestbook";
  public $admin_submodules = array();
	/*
  public $admin_submodules = array("New Newsentry" => "new",
																	 "Edit Newsentry" => "edit",
																	 "Delete Newsentry" => "delete");
	
  public function admin_add($action, $vars)
	{
		global $UID, $ICONS_DIR;

		switch($action) {
		case "add":
			$n = new NewsEntry($vars["title"], DateTimeEdit::toTimestamp($vars, "time"),
												 $vars["category"], $vars["description"], $UID, $vars["icon"]);
			echo "\"" .$n->title . "\" has now been added.";
			$this->add($n);
			$this->write();
			break;
			
		case "preview":
			$n = new NewsEntry($vars["title"], DateTimeEdit::toTimestamp($vars, "time"),
												 $vars["category"], $vars["description"], $UID, $vars["icon"]);
			echo "<div class=\"preview\">\n";
			echo "<div class=\"content\">\n";
			echo $n->show();
			echo "</div>\n";
			echo "</div>\n";
			echo "<p>Looking ok?</p>";
			$form = new Form("add");
			$form->addWidget(new Hidden($vars));
			$form->addWidget(new Button("yes"));
			$form->render();

			$form = new Form("retry");
			$form->addWidget(new Hidden($vars));
			$form->addWidget(new Button("no"));
			$form->render();
			break;
			
		case "retry":
			$title = $vars["title"];
			$time = DateTimeEdit::toTimestamp($vars, "time");
			$category = $vars["category"];
			$description = $vars["description"];
		default:
			$form = new Form("preview");
			$form->addWidget(new LineEdit("Title", "title", $title));
			$form->addWidget(new DateTimeEdit("Time", "time", $time));
			$form->addWidget(new ComboBox("Category", "category", $category, array("Main" => "main", "Site" => "site")));
			$form->addWidget(new TextEdit("Description", "description", $description));
			$form->addWidget(new ImageComboBox("Icon", "icon", $icon, new Icons($ICONS_DIR."/")));
			$form->addWidget(new Button("Post news"));
			$form->render();
			break;
		}
	}

	public function admin_edit($action, $vars)
	{
		global $UID, $ICONS_DIR;

		switch($action) {
		case "add":
			$this->news[$vars["newsid"]]->title = $vars["title"];
			$this->news[$vars["newsid"]]->userid = $UID;
			$this->news[$vars["newsid"]]->time = DateTimeEdit::toTimestamp($vars, "time");
			$this->news[$vars["newsid"]]->category = $vars["category"];
			$this->news[$vars["newsid"]]->description = $vars["description"];
			$this->news[$vars["newsid"]]->icon = $vars["icon"];
			$this->write();
			echo "\"" . $this->news[$vars["newsid"]]->title . "\" has now been edited.";
			break;
			
		case "preview":
			$n = new NewsEntry($vars["title"], DatetimeEdit::toTimestamp($vars, "time"), $vars["category"], $vars["description"], $UID, $vars["icon"]);
			echo "<div class=\"preview\">\n";
			echo "<div class=\"content\">\n";
			echo $n->show();
			echo "</div>\n";
			echo "</div>\n";
			echo "<p>Looking ok?</p>";
			$form = new Form("add");
			$form->addWidget(new Hidden($vars));
			$form->addWidget(new Button("yes"));
			$form->render();

			$form = new Form("retry");
			$form->addWidget(new Hidden($vars));
			$form->addWidget(new Button("no"));
			$form->render();
			break;
			
		case "edit":
		case "retry":
			if(isset($vars["title"])) $title = $vars["title"];
			else $title = $this->news[$vars["newsid"]]->title;
			if(isset($vars["time_year"])) $time = DateTimeEdit::toTimestamp($vars, "time");
			else $time = $this->news[$vars["newsid"]]->time;
			if(isset($vars["category"])) $category = $vars["category"];
			else $category = $this->news[$vars["newsid"]]->category;
			if(isset($vars["description"])) $description = $vars["description"];
			else $description = $this->news[$vars["newsid"]]->description;
			if(isset($vars["icon"])) $icon = $vars["icon"];
			else $icon = $this->news[$vars["newsid"]]->icon;
			
			$form = new Form("preview");
			$form->addWidget(new Hidden($vars));
			$form->addWidget(new LineEdit("Title", "title", $title));
			$form->addWidget(new DateTimeEdit("Time", "time", $time));
			$form->addWidget(new ComboBox("Category", "category", $category,
																		array("Main" => "main", "Site" => "site")));
			$form->addWidget(new TextEdit("Description", "description", $description));
			$form->addWidget(new ImageComboBox("Icon", "icon", $icon, new Icons($ICONS_DIR."/")));
			$form->addWidget(new Button("Post news"));
			$form->render();
			break;
			
		case "select":
		default:
			$newslist = array();
			foreach($this->news as $newsentry) {
				$newslist[$newsentry->title] = $newsentry->time; 
			}

			$form = new Form("edit");
			$form->addWidget(new ComboBox("Edit this entry:", "newsid", "", $newslist));
			$form->addWidget(new Button("Edit..."));
			$form->render();
			break;
		}
	}

  public function admin_delete($action, $vars)
	{
		switch($action) {
		case "delete":
			echo "\"". $this->news[$vars["newsid"]]->title . "\" has now been deleted.";
			unset($this->news[$vars["newsid"]]);
			$this->write();
			break;
			
		case "confirm":
			echo "Really delete: " . $this->news[$vars["newsid"]]->title . "?";
			$form = new Form("delete");
			$form->addWidget(new Hidden($vars));
			$form->addWidget(new Button("yes"));
			$form->render();

			$form = new Form("select");
			$form->addWidget(new Hidden($vars));
			$form->addWidget(new Button("no"));
			$form->render();
			break;
			
		case "select":
		default:
			$newslist = array();
			foreach($this->news as $newsentry) {
				$newslist[$newsentry->title] = $newsentry->time; 
			}
			$form = new Form("confirm");
			$form->addWidget(new ComboBox("Delete this entry:", "newsid", "", $newslist));
			$form->addWidget(new Button("Delete..."));
			$form->render();
			break;
		}
	}
	*/
  public function admin($sub, $action, $vars)
  {
		/*
    switch($sub) {
    case "new":
			$this->admin_add($action, $vars);
      break;

    case "edit":
			$this->admin_edit($action, $vars);
      break;

    case "delete":
			$this->admin_delete($action, $vars);
      break;
    }
		*/
  }

	public function editor()
	{
		$str  =	"<div class=\"guestbook_form\">\n";
		$str .= "<form action=\"?page=guestbook&amp;action=post\" method=\"post\"> \n";
		$str .= "<p> \n";
		$str .= "Name: <input style=\"display: none\" name=\"name\"/><input name=\"name_hidden\"/> \n";
		$str .= "Email: <input style=\"display: none\" name=\"email\"/><input name=\"email_hidden\"/><br/> \n";
		$str .= "Message:<br/> \n";
		$str .= "<textarea style=\"display: none\" rows=\"2\" cols=\"74\" name=\"message\"></textarea> \n";
		$str .= "<textarea rows=\"2\" cols=\"74\" name=\"message_hidden\"></textarea><br/> \n";
		$str .= "<button type=\"submit\">Post</button><br/> \n";
		$str .= "</p> \n";
		$str .= "</form> \n";
		$str .= "</div> \n";
		return $str;
	}

	function filtermessage($name, $email, $message, $name_hidden, $email_hidden, $message_hidden)
	{
		global $_SERVER;

		// First filter known bad IPs
		$spammers = array("85.255.118.10", "216.32.84.82", "220.226.63.254");
		$ip = $_SERVER['REMOTE_ADDR'];
		foreach($spammers as $spamip) {
			if($ip == $spamip) {
				return false;
			}
		}
		
		// Bot catcher!
		if($name || $email || $message) return false;
				
		$name = strip_tags($name_hidden);
		$email = strip_tags($email_hidden);
		if($name == "" && $email == "") return false;
		if($name == "") $name = "Name unknown";
		if($email == "") $email = "Email unknown";
		
		$message = strip_tags($message_hidden);
		
		// Banned words
		$words = array("incest", "estate", "phentermine", "viagra", "ringtones",
									 "messed up in the email of mine", "ambien", "dating", "levitra");
		foreach($words as $word) {
			if(stristr($message, $word)) return false;
		}
		
		if($message == "") return false; // Empty message
		
		// Message is not SPAM
		return true;
	}

	public function newpost()
	{
		global $name, $email, $message, $name_hidden, $email_hidden, $message_hidden;

		// Check is the message is SPAM
		if($this->filtermessage($name, $email, $message, $name_hidden, $email_hidden, $message_hidden)) {
			// It was not... now add it to the book.
			$entry = new GuestbookEntry($name_hidden,
																	$email_hidden,
																	time(),
																	$_SERVER['REMOTE_ADDR'],
																	convert($message_hidden));
			$this->add($entry);
			$this->write();
			$str = "";
		} else {
			$str = "SPAM";
		}
		return $str;
	}


  public function run($params)
  {
    global $show, $action;

		$str = "";
		if($action == "post") {
			$str .= $this->newpost();
			unset($action); // Make sure the post is not posted several times if module is included several times.
		}

		$showeditor = false;
		$showposts = 0;
    foreach($params as $param) {
			switch($param) {
			case "editor":
				$showeditor = true;
				break;

			default:
				if($show == "all") $showposts = -1;
				else $showposts = 7;
				break;
			}
		}

		if($showeditor == true) $str .= $this->editor();
		if($showposts != 0) $str .= $this->show($showposts);

		return $str;
  }

	public function add($entry) {
		$key = $entry->time;
		$this->guestbook[$key] = $entry;
	}

	public function write()
	{
		$fp = fopen($this->file, "w");
		fwrite($fp, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");

		fwrite($fp, "<guestbook>\n");
		foreach($this->guestbook as $entry) {
			$entry->write($fp);
		}
		fwrite($fp, "</guestbook>\n");

		fclose($fp);
	}

	public function show($number)
	{
		$str = "";

		// If number is -1 show all shows.
		if($number == -1) $number = 100000;
		
		foreach($this->guestbook as $entry) {
			$str .= $entry->show();
			$number--;
			if(!$number) break;
		}

		return $str;
	}

	private function read()
	{

		$dom = new DomDocument;
		$dom->preserveWhiteSpace = FALSE;
		$dom->load($this->file);
		$params = $dom->getElementsByTagName('entry');

		foreach ($params as $param) {
			$entry = new GuestbookEntry($param->getAttribute('name'),
																	$param->getAttribute('email'),
																	$param->getAttribute('time'),
																	$param->getAttribute('remoteaddr'),
																	$param->getAttribute('text'));

			$this->add($entry);
		}
		
		// Key sort
		krsort($this->guestbook);
	}

	public function Guestbook($file)
	{
    $this->file =  $file;
    if(file_exists($file)) $this->read();
	}
}

function guestbook_init()
{
  global $DATA_DIR;
  return new Guestbook($DATA_DIR . "/guestbook.xml");
}

/*
*/
/*
//
// INIT CODE:
//
if($page == "guestbook" && $action == "post" && 
	 !filtermessage($name, $email, $message, $name_hidden, $email_hidden, $message_hidden)) {
//!strstr($_SERVER['HTTP_REFERER'], "guestbook")) {
	header("HTTP/1.0 404 Not Found");
?>
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>404 Not Found</title>
</head><body>
<h1>Not Found</h1>
<p>The requested URL /?page=guestbook was not found on this server.</p>
<hr>
<address>Apache/2.0.58 (Gentoo) mod_ssl/2.0.58 OpenSSL/0.9.7j PHP/5.1.6-pl6-gentoo Server at www.executionroom.com Port 80</address>
</body></html>
<?php
	exit(404);
} 
*/

?>