cms_site.class.inc

国外很不错的一个开源OA系统Group-Office

<?php
/*
Copyright Intermesh 2003
Author: Merijn Schering <[e-mail]>
Version: 1.0 Release date: 08 July 2003

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.
*/
require_once($GO_MODULES->modules['cms']['class_path'].'cms.class.inc');

load_basic_controls();
load_control('date_picker');

class cms_site extends cms {
	var $site;
	var $template;
	var $publish_url;
	var $publish_path;
	var $publish_static = false;
	var $template_file_replacements = array ();

	var $folder_id;
	var $file_id;
	var $task;
	var $cms_module;

	var $return_to;
	
	

	var $previous_file=null;
	var $next_file=null;

	var $tags = array (
	'php', //important as first tag so it can produce tags that will be processed
	'template',
	'home',
	'folders',
	'rootfolders',
	'files',
	'path',
	'icon',
	'login',
	'back',
	'active_doc',
	'document',
	'folderlist',
	'hot_items',
	'languages',
	'items',
	'menu',
	'treeview',
	'filename',
	'admin',
	'logout',
	'nextfile',
	'previousfile'
	);

	function cms_site() {
		global $GO_CONFIG, $GO_LANGUAGE, $GO_MODULES;
		$this->db();

		$this->folder_id = isset ($_REQUEST['folder_id']) ? $_REQUEST['folder_id'] : 0;
		$this->file_id = isset ($_REQUEST['file_id']) ? $_REQUEST['file_id'] : 0;
		$this->task = isset ($_REQUEST['task']) ? $_REQUEST['task'] : '';


		$this->cms_module = $GO_MODULES->get_module('cms');


		if($this->task=='logout')
		{
			global $GO_SECURITY;
			$GO_SECURITY->logout();
		}



		$site_id = isset ($_REQUEST['site_id']) ? $_REQUEST['site_id'] : 0;

		//If a site_id was passed then get it
		if ($site_id > 0) {
			$this->site = $this->get_site($site_id);
		}else
		{
			/*
			if no site_id was passed then we are not in Group-Office but somebody is
			requesting the site through a domain. Try to get the site by domain.

			Get the domain name without this page eg.
			http://www.test.com/test/index.php?file_id=0&folder_id=9 becomes:
			www.test.com/test
			*/
			$domain = $_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
			if (strpos($domain, basename($_SERVER['PHP_SELF'])) !== false) {
				//chop off filename
				$pos = strrpos($domain, '/');
				if ($pos !== false) {
					$domain = substr($domain, 0, $pos);
				}
			}
			if (!$this->site = $this->get_site_by_domain($domain, true)) {
				exit();
			}
		}

		$this->template = $this->get_template($this->site['template_id']);

		if(isset($_SESSION['GO_SESSION']['cms']['return_to']) && $_SESSION['GO_SESSION']['cms']['return_to'] != $this->get_uri())
		{
			$this->return_to = $_SESSION['GO_SESSION']['cms']['return_to'];
		}else {
			$this->return_to = $this->create_url($this->site['root_folder_id']);
		}
		//$_SESSION['GO_SESSION']['cms']['return_to']=$_SERVER['REQUEST_URI'];
		$_SESSION['GO_SESSION']['cms']['return_to']=$this->get_uri();

		$GLOBALS['GO_LANGUAGE']->set_language($this->site['language']);
	}

	function get_uri()
	{
		$uri = $_SERVER['PHP_SELF'].'?file_id='.$this->file_id.'&amp;folder_id='.$this->folder_id;
		return $uri;
	}

	function get_login_uri($goto_url='')
	{
		$uri = add_params_to_url($this->get_uri(), 'task=login&amp;goto_url='.urlencode($goto_url));
		return $uri;
	}


	function find_page($folder_id)
	{
		global $GO_SECURITY;

		if($folder_id==0)
		{
			$folder_id=$this->site['root_folder_id'];
		}
		$files = $this->get_authorized_files($folder_id, $GO_SECURITY->user_id);
		

		foreach($files as $file)
		{
			if (eregi('htm', $file['extension'])) {
				return $file['id'];
			}
		}
		$folders = $this->get_authorized_folders($folder_id, $GO_SECURITY->user_id);
		if(!count($folders))
		{
			$folder = $this->get_folder($folder_id);
			if(!$folder)
			{
				$folder_id=$this->site['root_folder_id'];
			}else {
				if($folder['parent_id']>0)
				{
					return $this->find_page($folder['parent_id']);
				}
			}
		}
		foreach($folders as $folder)
		{
			return $this->find_page($folder['id']);
		}
		return false;
	}

	function generate_header($doctype='', $title = '', $keywords = '', $description = '', $header_arguments='', $body_arguments='') {
		global $GO_CONFIG, $charset;

		$header = $doctype."\r\n".
		'<html>'."\r\n".
		'<head>'."\r\n".
		'<meta http-equiv="Content-Type" content="text/html; charset='.$charset.'" />'."\r\n".
		'<meta name="robots" content="all,index,follow" />'."\r\n".
		'<meta name="revisit-after" content="7 days" />'."\r\n".
		'<meta name="keywords" content="'.$keywords.'" />'."\r\n".
		'<meta name="description" content="'.$description.'" />'."\r\n".
		'<meta name="Generator" content="Group-Office '.$GO_CONFIG->version.'" />'."\r\n".
		'<title>'.$title.'</title>'."\r\n".
		'<link href="'.$this->cms_module['url'].'stylesheet.php?template_id='.$this->site['template_id'].'" rel="stylesheet" type="text/css" />'."\r\n".
		'<link href="'.$this->cms_module['url'].'stylesheet.php?print=true&amp;template_id='.$this->site['template_id'].'" rel="stylesheet" type="text/css" media="print" />'."\r\n";

		$header .= $header_arguments;
		
		$header .= $this->template['head'];

		$header .= '<script type="text/javascript" src="'.$GO_CONFIG->host.'javascript/common.js"></script>'."\r\n".
		'</head>'."\r\n".
		'<body '.$body_arguments.'>'."\r\n".
		"\r\n<!-- End of generated header --> \r\n\r\n";

		return $header;
	}

	function generate_footer() {

		return "\r\n\r\n<!-- Start of generated Footer --> \r\n\r\n".
		'</body>'."\r\n".
		'</html>'."\r\n";
	}

	function access_denied()
	{
		global $GO_CONFIG;
		header('Location: '.$GO_CONFIG->host.'error_docs/403.php');
		exit();
	}


	function authenticate($goto_url=null)
	{
		global $GO_SECURITY;

		if(!$GO_SECURITY->logged_in())
		{
			if(!isset($goto_url))
			{
				$goto_url=$_SERVER['REQUEST_URI'];
			}
			if($this->template['login_template_item_id']>0)
			{
				header('Location: '.$_SERVER['PHP_SELF'].'?task=login&goto_url='.urlencode($goto_url).'&return_to='.urlencode($this->return_to));
			}else {
				$GO_SECURITY->authenticate(false,false);
			}
			exit();
		}
	}

	function generate_page() {
		global
		$GO_CONFIG,
		$GO_LANGUAGE,
		$GO_SECURITY,
		$GO_MODULES,
		$cms_empty;

		switch($this->task)
		{
			case 'logout':

				$template_item=$this->get_template_item($this->template['login_template_item_id']);

				$html = $this->generate_header($this->template['doctype']);

				$template_content = $this->parse_template($template_item['content']);

				$p = new html_element('p', $GLOBALS['cms_logged_out']);
				$p->set_attribute('style','margin-top:10px;margin-bottom:10px;');

				if(!empty($_REQUEST['goto_url']))
				{
					$input = new input('button','continue',$GLOBALS['cmdContinue']);
					$input->set_attribute('onclick',"javascript:document.location='".smart_stripslashes($_REQUEST['goto_url'])."';");


					$content = $p->get_html().$input->get_html();
				}else {

					$content = $p->get_html();
				}

				$html .= str_replace($this->get_tag('content', $template_content), $content, $template_content);

				$html .= $this->generate_footer();
				return $html;
				break;

			case 'login':

				require($GO_LANGUAGE->get_base_language_file('login'));
				if(isset($GO_MODULES->modules['webshop']))
				{
					require($GO_LANGUAGE->get_language_file('webshop'));
				}

				$login_task = isset($_REQUEST['login_task']) ? $_REQUEST['login_task'] : '';
				$goto_url = !empty($_REQUEST['goto_url']) ? smart_stripslashes($_REQUEST['goto_url']) : $this->return_to;
				$return_to = isset($_REQUEST['return_to']) ? $_REQUEST['return_to'] : $_SERVER['HTTP_REFERER'];
				if($login_task == 'login')
				{
					$username = smart_addslashes($_POST['username']);
					$password = smart_addslashes($_POST['password']);



					if (!$GLOBALS['GO_AUTH']->login($username, $password, $_SESSION['auth_source']))
					{
						$feedback = $login_bad_login;
					}else {

						header('Location: '.$goto_url);
						exit();
					}
				}



				$form = new form('login_form');
				$form->add_html_element(new input('hidden','login_task', 'login', false));
				$form->add_html_element(new input('hidden','task', 'login'));
				$form->add_html_element(new input('hidden','goto_url', $goto_url));
				$form->add_html_element(new input('hidden','return_to', $return_to));
				$form->add_html_element(new input('hidden','file_id', $this->file_id));
				$form->add_html_element(new input('hidden','folder_id', $this->folder_id));




				if($GO_CONFIG->allow_registration)
				{
					$h2=new html_element('h2', $login_no_account);
					$form->add_html_element($h2);

					$p = new html_element('p', $login_no_account_text);
					$form->add_html_element($p);


					$href = 'javascript:document.login_form.task.value=\'register\';document.login_form.submit();';
					$hyperlink = new hyperlink($href, sprintf($login_register, $GO_CONFIG->title));
					$form->add_html_element($hyperlink);

					$h2 = new html_element('h2',sprintf($login_to, $GO_CONFIG->title));
					$h2->set_attribute('style','margin-top:20px;');
					$form->add_html_element($h2);

				}else {
					$h2 = new html_element('h2',sprintf($login_to, $GO_CONFIG->title));
					$form->add_html_element($h2);
				}

				$p = new html_element('p',$login_text);

				/*if($GO_CONFIG->allow_registration)
				{
				$href = 'javascript:document.login_form.task.value=\'register\';document.login_form.submit();';
				$hyperlink = new hyperlink($href, $login_here);

				$p->innerHTML .= ' '.sprintf($login_register, $hyperlink->get_html());
				}*/

				$table = new table();

				$row = new table_row();


				$cell = new table_cell($p->get_html());
				$cell->set_attribute('colspan','2');

				if (isset($feedback))
				{
					$p = new html_element('p', $feedback);
					$p->set_attribute('class', 'error');
					$cell->add_html_element($p);
				}

				$row->add_cell($cell);
				$table->add_row($row);


				$row = new table_row();
				$cell = new table_cell($login_username.':');
				$cell->set_attribute('style', 'whitespace:nowrap;');
				$row->add_cell($cell);

				$cell = new table_cell();
				$username = isset($_REQUEST['username']) ? $_REQUEST['username'] : '';
				$input = new input('text', 'username', $username);
				$input->set_attribute('style','width:200px');
				$cell->innerHTML .= $input->get_html();

				if (count($GLOBALS['auth_sources']) > 1)
				{
					$cookie_key = isset($_COOKIE['GO_AUTH_SOURCE_KEY']) ? $_COOKIE['GO_AUTH_SOURCE_KEY'] : '0';