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1 1379 Luisehahne
<?php
2
/**
3
 *
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 * @category        framewotk
5
 * @package         backend admin
6
 * @author          Ryan Djurovich, WebsiteBaker Project
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 * @copyright       2009-2012, WebsiteBaker Org. e.V.
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 * @link			http://www.websitebaker2.org/
9
 * @license         http://www.gnu.org/licenses/gpl.html
10
 * @platform        WebsiteBaker 2.8.x
11
 * @requirements    PHP 5.2.2 and higher
12
 * @version         $Id$
13
 * @filesource		$HeadURL$
14
 * @lastmodified    $Date$
15
 *
16
 */
17 1496 DarkViper
/* -------------------------------------------------------- */
18
// Must include code to stop this file being accessed directly
19 1499 DarkViper
if(!defined('WB_PATH')) {
20
	require_once(dirname(__FILE__).'/globalExceptionHandler.php');
21
	throw new IllegalFileException();
22
}
23 1496 DarkViper
/* -------------------------------------------------------- */
24 1379 Luisehahne
require_once(WB_PATH.'/framework/class.wb.php');
25
26
// Get WB version
27
require_once(ADMIN_PATH.'/interface/version.php');
28
29
// Include EditArea wrapper functions
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// require_once(WB_PATH . '/include/editarea/wb_wrapper_edit_area.php');
31 1462 DarkViper
//require_once(WB_PATH . '/framework/SecureForm.php');
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33
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/**
35
 * admin
36
 *
37
 * @package
38
 * @copyright
39
 * @version 2012
40
 * @access public
41
 */
42 1379 Luisehahne
class admin extends wb {
43
	// Authenticate user then auto print the header
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	/**
45
	 * admin::__construct()
46
	 *
47
	 * @param string $section_name
48
	 * @param string $section_permission
49
	 * @param bool $auto_header
50
	 * @param bool $auto_auth
51
	 * @return void
52
	 */
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	public function __construct($section_name= '##skip##', $section_permission = 'start', $auto_header = true, $auto_auth = true)
54
	{
55
		parent::__construct(SecureForm::BACKEND);
56
	if( $section_name != '##skip##' )
57
	{
58
		global $database, $MESSAGE;
59
		// Specify the current applications name
60
		$this->section_name = $section_name;
61
		$this->section_permission = $section_permission;
62
		// Authenticate the user for this application
63
		if($auto_auth == true)
64
		{
65
			// First check if the user is logged-in
66
			if($this->is_authenticated() == false)
67
			{
68
				header('Location: '.ADMIN_URL.'/login/index.php');
69
				exit(0);
70
			}
71
72
			// Now check if they are allowed in this section
73
			if($this->get_permission($section_permission) == false) {
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				die($MESSAGE['ADMIN_INSUFFICIENT_PRIVELLIGES']);
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			}
76
		}
77
78
		// Check if the backend language is also the selected language. If not, send headers again.
79 1486 DarkViper
		$sql  = 'SELECT `language` FROM `'.TABLE_PREFIX.'users` ';
80
		$sql .= 'WHERE `user_id`='.(int)$this->get_user_id();
81
		$get_user_language = @$database->query($sql);
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		$user_language = ($get_user_language) ? $get_user_language->fetchRow() : '';
83
		// prevent infinite loop if language file is not XX.php (e.g. DE_du.php)
84
		$user_language = substr($user_language[0],0,2);
85
		// obtain the admin folder (e.g. /admin)
86
		$admin_folder = str_replace(WB_PATH, '', ADMIN_PATH);
87
		if((LANGUAGE != $user_language) && file_exists(WB_PATH .'/languages/' .$user_language .'.php')
88
			&& strpos($_SERVER['PHP_SELF'],$admin_folder.'/') !== false) {
89
			// check if page_id is set
90
			$page_id_url = (isset($_GET['page_id'])) ? '&page_id=' .(int) $_GET['page_id'] : '';
91
			$section_id_url = (isset($_GET['section_id'])) ? '&section_id=' .(int) $_GET['section_id'] : '';
92
			if(isset($_SERVER['QUERY_STRING']) && $_SERVER['QUERY_STRING'] != '') { // check if there is an query-string
93
				header('Location: '.$_SERVER['PHP_SELF'] .'?lang='.$user_language .$page_id_url .$section_id_url.'&'.$_SERVER['QUERY_STRING']);
94
			} else {
95
				header('Location: '.$_SERVER['PHP_SELF'] .'?lang='.$user_language .$page_id_url .$section_id_url);
96
			}
97
			exit();
98
		}
99
100
		// Auto header code
101
		if($auto_header == true) {
102
			$this->print_header();
103
		}
104
	}
105
	}
106
107
	// Print the admin header
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	/**
109
	 * admin::print_header()
110
	 *
111
	 * @param string $body_tags
112
	 * @return void
113
	 */
114
	function print_header($body_tags = '')
115
	{
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		// Get vars from the language file
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		global $MENU, $MESSAGE, $TEXT;
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		// Connect to database and get website title
119
		global $database;
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		// $GLOBALS['FTAN'] = $this->getFTAN();
121
		$this->createFTAN();
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		$sql = 'SELECT `value` FROM `'.TABLE_PREFIX.'settings` WHERE `name`=\'website_title\'';
123
		$get_title = $database->query($sql);
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		$title = $get_title->fetchRow();
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		// Setup template object, parse vars to it, then parse it
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		$header_template = new Template(dirname($this->correct_theme_source('header.htt')) );
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		$header_template->set_file('page', 'header.htt');
128
		$header_template->set_block('page', 'header_block', 'header');
129
		if(defined('DEFAULT_CHARSET')) {
130
			$charset=DEFAULT_CHARSET;
131
		} else {
132
			$charset='utf-8';
133
		}
134
135
		// work out the URL for the 'View menu' link in the WB backend
136
		// if the page_id is set, show this page otherwise show the root directory of WB
137
		$view_url = WB_URL;
138
		if(isset($_GET['page_id'])) {
139
			// extract page link from the database
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			$sql  = 'SELECT `link` FROM `'.TABLE_PREFIX.'pages` ';
141
			$sql .= 'WHERE `page_id`='.intval($_GET['page_id']);
142
			$result = @$database->query($sql);
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			$row = @$result->fetchRow();
144
			if($row) $view_url .= PAGES_DIRECTORY .$row['link']. PAGE_EXTENSION;
145
		}
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		$sServerAdress = isset($_SERVER['SERVER_ADDR']) ? $_SERVER['SERVER_ADDR'] : '127.0.0.1';
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		$header_template->set_var(	array(
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							'SECTION_FORGOT' => $MENU['FORGOT'],
149
							'SECTION_NAME' => $MENU['LOGIN'],
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							'BODY_TAGS' => $body_tags,
151
							'WEBSITE_TITLE' => ($title['value']),
152
							'TEXT_ADMINISTRATION' => $TEXT['ADMINISTRATION'],
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							'CURRENT_USER' => $MESSAGE['START_CURRENT_USER'],
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							'DISPLAY_NAME' => $this->get_display_name(),
155
							'CHARSET' => $charset,
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							//'LANGUAGE' => strtolower(LANGUAGE),
157
							'LANGUAGE' => LANGUAGE,
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							'VERSION' => VERSION,
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							'SP' => (defined('SP') ? SP : ''),
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							'REVISION' => REVISION,
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							'SERVER_ADDR' => ((int)$this->get_user_id()==1 ? $sServerAdress : ''),
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							'WB_URL' => WB_URL,
163
							'ADMIN_URL' => ADMIN_URL,
164
							'THEME_URL' => THEME_URL,
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							'START_URL' => ADMIN_URL.'/index.php',
166
							'START_CLASS' => 'start',
167
							'TITLE_START' => $TEXT['READ_MORE'],
168
							'TITLE_VIEW' => $TEXT['WEBSITE'],
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							'TITLE_HELP' => $MENU['HELP'],
170
							'URL_VIEW' => $view_url,
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							'TITLE_LOGOUT' => $MENU['LOGIN'],
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							'LOGIN_DISPLAY_HIDDEN' => !$this->is_authenticated() ? 'hidden' : '',
173
							'LOGIN_DISPLAY_NONE' => !$this->is_authenticated() ? 'none' : '',
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							'LOGIN_LINK' => $_SERVER['SCRIPT_NAME'],
175
							'LOGIN_ICON' => 'login',
176
							'START_ICON' => 'blank',
177
							'URL_HELP' => 'http://www.websitebaker.org/',
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							'BACKEND_MODULE_CSS' => $this->register_backend_modfiles('css'),	// adds backend.css
179
							'BACKEND_MODULE_JS'  => $this->register_backend_modfiles('js')		// adds backend.js
180
						)
181
					);
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183
		// Create the menu
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		if(!$this->is_authenticated())
185
		{
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		$header_template->set_var('STYLE', 'login');
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		$menu = array(
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//						array('http://www.websitebaker.org/', '_blank', 'WebsiteBaker Home', 'help', 0),
189
//						array($view_url, '_blank', $TEXT['FRONTEND'], '', 0),
190
//						array(ADMIN_URL.'/login/index.php', '', $MENU['LOGIN'], '', 0)
191
						);
192
		} else {
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			$header_template->set_var('STYLE', 'start');
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			$header_template->set_var(	array(
195
						'SECTION_NAME' => $MENU[strtoupper($this->section_name)],
196
						'TITLE_LOGOUT' => $MENU['LOGOUT'],
197
						'LOGIN_DISPLAY_NONE' => '',
198
						'START_ICON' => 'home',
199
						'LOGIN_ICON' => 'logout',
200
						'LOGIN_LINK' => ADMIN_URL.'/logout/index.php',
201
						'TITLE_START' => $MENU['START']
202
						)
203
					);
204
			// @array ( $url, $target, $title, $page_permission, $ppermission_required )
205
			$menu = array(
206
//					array(ADMIN_URL.'/index.php', '', $MENU['START'], 'start', 1 ),
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					array(ADMIN_URL.'/pages/index.php', '', $MENU['PAGES'], 'pages', 1),
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// 					array($view_url, '_blank', $MENU['FRONTEND'], 'pages', 1),
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					array(ADMIN_URL.'/media/index.php', '', $MENU['MEDIA'], 'media', 1),
210
					array(ADMIN_URL.'/addons/index.php', '', $MENU['ADDONS'], 'addons', 1),
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					array(ADMIN_URL.'/preferences/index.php', '', $MENU['PREFERENCES'], 'preferences', 1),
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					array(ADMIN_URL.'/settings/index.php', '', $MENU['SETTINGS'], 'settings', 1),
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					array(ADMIN_URL.'/admintools/index.php', '', $MENU['ADMINTOOLS'], 'admintools', 1),
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					array(ADMIN_URL.'/access/index.php', '', $MENU['ACCESS'], 'access', 1),
215
//					array('http://www.websitebaker.org/', '_blank', 'WebsiteBaker Home', '', 0),
216
//					array(ADMIN_URL.'/logout/index.php', '', $MENU['LOGOUT'], '', 0)
217
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					);
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		}
220
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		$header_template->set_block('header_block', 'linkBlock', 'link');
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		foreach($menu AS $menu_item)
223
		{
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			$link = $menu_item[0];
225
			$target = ($menu_item[1] == '') ? '_self' : $menu_item[1];
226
			$title = $menu_item[2];
227
			$permission_title = $menu_item[3];
228
			$required = $menu_item[4];
229
			$replace_old = array(ADMIN_URL, WB_URL, '/', 'index.php');
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			if($required == false || ($this->is_authenticated() && $this->get_link_permission($permission_title)) )
231
			{
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				$header_template->set_var('LINK', $link);
233
				$header_template->set_var('TARGET', $target);
234
				// If link is the current section apply a class name
235
				if($permission_title == strtolower($this->section_name)) {
236
					$header_template->set_var('CLASS', $menu_item[3] . ' current');
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					$header_template->set_var('STYLE', $menu_item[3] );
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				} else {
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					$header_template->set_var('CLASS', $menu_item[3] );
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				}
241
				$header_template->set_var('TITLE', $title);
242
				// Print link
243
				$header_template->parse('link', 'linkBlock', true);
244
			}
245
		}
246
		$header_template->parse('header', 'header_block', false);
247
		$header_template->pparse('output', 'page');
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		unset($header_template);
249 1379 Luisehahne
	}
250 1684 Luisehahne
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	// Print the admin footer
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		function print_footer($activateJsAdmin = false) {
253 1700 Luisehahne
		global $database,$starttime,$iPhpDeclaredClasses;
254 1379 Luisehahne
		// include the required file for Javascript admin
255 1443 Luisehahne
		if($activateJsAdmin != false) {
256
			if(file_exists(WB_PATH.'/modules/jsadmin/jsadmin_backend_include.php')){
257
				@include_once(WB_PATH.'/modules/jsadmin/jsadmin_backend_include.php');
258
			}
259 1379 Luisehahne
		}
260 1443 Luisehahne
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		// Setup template object, parse vars to it, then parse it
262 1625 Luisehahne
		$footer_template = new Template(dirname($this->correct_theme_source('footer.htt')));
263 1379 Luisehahne
		$footer_template->set_file('page', 'footer.htt');
264
		$footer_template->set_block('page', 'footer_block', 'header');
265
		$footer_template->set_var(array(
266
						'BACKEND_BODY_MODULE_JS' => $this->register_backend_modfiles_body('js'),
267
						'WB_URL' => WB_URL,
268
						'ADMIN_URL' => ADMIN_URL,
269
						'THEME_URL' => THEME_URL,
270
			 ) );
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272
		$footer_template->set_block('footer_block', 'show_debug_block', 'show_debug');
273
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		$bDebug = (defined('DEBUG') ? DEBUG : false);
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		$bDevInfo = (defined('DEV_INFOS') && (DEV_INFOS == true) && (1 == $this->get_user_id()) ? true : false);
276
//         if( $debug && (1 == $this->get_user_id()))
277
        if( $bDevInfo )
278
		{
279 1684 Luisehahne
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			$footer_template->set_var('MEMORY', number_format(memory_get_peak_usage(true), 0, ',', '.').'&nbsp;Byte' );
281
//			$footer_template->set_var('MEMORY', number_format(memory_get_usage(true), 0, ',', '.').'&nbsp;Byte' );
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			$footer_template->set_var('QUERIES', $database->getQueryCount );
283
			// $footer_template->set_var('QUERIES', 'disabled' );
284
	        $included_files =  get_included_files();
285
			$footer_template->set_var('INCLUDES', sizeof($included_files) );
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	        $included_classes =  get_declared_classes();
287
			$footer_template->set_var('CLASSES', sizeof($included_classes)-$iPhpDeclaredClasses );
288 1668 Luisehahne
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			$sum_classes = 0;
290 1668 Luisehahne
			$sum_filesize = 0;
291
			$footer_template->set_block('show_debug_block', 'show_block_list', 'show_list');
292
			$footer_template->set_block('show_block_list', 'include_block_list', 'include_list');
293 1684 Luisehahne
			// $bDebug = true;  for testing
294 1668 Luisehahne
			foreach($included_files as $filename)
295
			{
296 1674 Luisehahne
				if(!is_readable($filename)) { continue; }
297 1668 Luisehahne
				if($bDebug)
298
				{
299
					$footer_template->set_var('INCLUDES_ARRAY', str_replace(WB_PATH, '',$filename) );
300
					$footer_template->set_var('FILESIZE', number_format(filesize($filename), 0, ',', '.').'&nbsp;Byte');
301
					$footer_template->parse('include_list', 'include_block_list', true);
302
				}
303
				$sum_filesize += filesize($filename);
304
			}
305
			$footer_template->parse('show_list', 'show_block_list', true);
306
307 1684 Luisehahne
			$endtime = array_sum(explode(" ",microtime()));
308
			$iEndTime = $endtime;
309
			$iStartTime = $starttime;
310 1678 Luisehahne
			if(!$bDebug)
311 1668 Luisehahne
			{
312 1684 Luisehahne
				$footer_template->parse('show_list', '');
313 1668 Luisehahne
				$footer_template->parse('include_list', '');
314
			}
315
316
			$footer_template->set_var('FILESIZE', ini_get('memory_limit'));
317
			$footer_template->set_var('TXT_SUM_FILESIZE', 'Summary size of included files:&nbsp;');
318
			$footer_template->set_var('SUM_FILESIZE', number_format($sum_filesize, 0, ',', '.').'&nbsp;Byte');
319 1700 Luisehahne
			$footer_template->set_var('SUM_CLASSES', number_format($sum_classes, 0, ',', '.').'&nbsp;Byte');
320 1684 Luisehahne
			$footer_template->set_var('PAGE_LOAD_TIME', round($iEndTime-$iStartTime,3 ));
321 1700 Luisehahne
			$footer_template->set_var('DUMP_CLASSES', '<pre>'.var_export($included_classes,true).'</pre>');
322 1684 Luisehahne
323 1668 Luisehahne
			$footer_template->parse('show_debug', 'show_debug_block', true);
324
        } else {
325
			$footer_template->parse('show_debug', '');
326 1684 Luisehahne
			$footer_template->parse('show_list', '');
327
328 1668 Luisehahne
        }
329 1379 Luisehahne
		$footer_template->parse('header', 'footer_block', false);
330
		$footer_template->pparse('output', 'page');
331 1700 Luisehahne
		unset($footer_template);
332 1379 Luisehahne
	}
333 1684 Luisehahne
334 1379 Luisehahne
	// Return a system permission
335
	function get_permission($name, $type = 'system') {
336 1700 Luisehahne
337 1379 Luisehahne
		// Append to permission type
338
		$type .= '_permissions';
339
		// Check if we have a section to check for
340
		if($name == 'start') {
341
			return true;
342
		} else {
343
			// Set system permissions var
344
			$system_permissions = $this->get_session('SYSTEM_PERMISSIONS');
345
			// Set module permissions var
346
			$module_permissions = $this->get_session('MODULE_PERMISSIONS');
347
			// Set template permissions var
348
			$template_permissions = $this->get_session('TEMPLATE_PERMISSIONS');
349
			// Return true if system perm = 1
350
			if (isset($$type) && is_array($$type) && is_numeric(array_search($name, $$type))) {
351
				if($type == 'system_permissions') {
352
					return true;
353
				} else {
354
					return false;
355
				}
356
			} else {
357
				if($type == 'system_permissions') {
358
					return false;
359
				} else {
360
					return true;
361
				}
362
			}
363
		}
364 1700 Luisehahne
365 1379 Luisehahne
	}
366 1700 Luisehahne
367 1441 Luisehahne
 function get_user_details($user_id) {
368
  global $database;
369
  $retval = array('username'=>'unknown','display_name'=>'Unknown','email'=>'');
370
  $sql  = 'SELECT `username`,`display_name`,`email` ';
371
  $sql .= 'FROM `'.TABLE_PREFIX.'users` ';
372 1486 DarkViper
  $sql .= 'WHERE `user_id`='.(int)$user_id;
373 1441 Luisehahne
  if( ($resUsers = $database->query($sql)) ) {
374
   if( ($recUser = $resUsers->fetchRow()) ) {
375
    $retval = $recUser;
376
   }
377
  }
378
  return $retval;
379
 }
380
381
    //
382
	function get_section_details( $section_id, $backLink = 'index.php' ) {
383
	global $database, $TEXT;
384
		$sql  = 'SELECT * FROM `'.TABLE_PREFIX.'sections` ';
385 1486 DarkViper
		$sql .= 'WHERE `section_id`='.intval($section_id);
386 1441 Luisehahne
		if(($resSection = $database->query($sql))){
387
			if(!($recSection = $resSection->fetchRow())) {
388
				$this->print_header();
389
				$this->print_error($TEXT['SECTION'].' '.$TEXT['NOT_FOUND'], $backLink, true);
390
			}
391
			} else {
392
				$this->print_header();
393
				$this->print_error($database->get_error(), $backLink, true);
394
			}
395
		return $recSection;
396
	}
397
398
	function get_page_details( $page_id, $backLink = 'index.php' ) {
399 1486 DarkViper
		global $database, $TEXT;
400
		$sql  = 'SELECT * FROM `'.TABLE_PREFIX.'pages` ';
401
		$sql .= 'WHERE `page_id`='.intval($page_id);
402
		if(($resPages = $database->query($sql))){
403
			if(!($recPage = $resPages->fetchRow())) {
404
			$this->print_header();
405
			$this->print_error($TEXT['PAGE'].' '.$TEXT['NOT_FOUND'], $backLink, true);
406
			}
407 1441 Luisehahne
		} else {
408 1486 DarkViper
			$this->print_header();
409
			$this->print_error($database->get_error(), $backLink, true);
410 1379 Luisehahne
		}
411 1486 DarkViper
		return $recPage;
412 1379 Luisehahne
	}
413
414 1441 Luisehahne
	function get_page_permission($page,$action='admin') {
415
		if($action != 'viewing') { $action = 'admin'; }
416
		$action_groups = $action.'_groups';
417
		$action_users  = $action.'_users';
418
		$groups = $users = '0';
419
		if(is_array($page)) {
420
			$groups = $page[$action_groups];
421
			$users  = $page[$action_users];
422
		} else {
423
			global $database;
424
			$sql  = 'SELECT `'.$action_groups.'`,`'.$action_users.'` ';
425
			$sql .= 'FROM `'.TABLE_PREFIX.'pages` ';
426
			$sql .= 'WHERE `page_id`='.(int)$page;
427
			if( ($res = $database->query($sql)) ) {
428
				if( ($rec = $res->fetchRow()) ) {
429
					$groups = $rec[$action_groups];
430
					$users  = $rec[$action_users];
431
				}
432
			}
433
		}
434
		return ($this->ami_group_member($groups) || $this->is_group_match($this->get_user_id(), $users));
435
	}
436
437 1379 Luisehahne
	// Returns a system permission for a menu link
438
	function get_link_permission($title) {
439
		$title = str_replace('_blank', '', $title);
440
		$title = strtolower($title);
441
		// Set system permissions var
442
		$system_permissions = $this->get_session('SYSTEM_PERMISSIONS');
443
		// Set module permissions var
444
		$module_permissions = $this->get_session('MODULE_PERMISSIONS');
445
		if($title == 'start') {
446
			return true;
447
		} else {
448
			// Return true if system perm = 1
449
			if(is_numeric(array_search($title, $system_permissions))) {
450
				return true;
451
			} else {
452
				return false;
453
			}
454
		}
455
	}
456
457
	// Function to add optional module Javascript or CSS stylesheets into the <body> section of the backend
458
	function register_backend_modfiles_body($file_id="js")
459
		{
460
		// sanity check of parameter passed to the function
461
		$file_id = strtolower($file_id);
462
		if($file_id !== "javascript" && $file_id !== "js")
463
		{
464
			return;
465
		}
466
		global $database;
467
        $body_links = "";
468
		// define default baselink and filename for optional module javascript and stylesheet files
469
		if($file_id == "js") {
470 1441 Luisehahne
			$base_link = '<script src="'.WB_URL.'/modules/{MODULE_DIRECTORY}/backend_body.js" type="text/javascript"></script>';
471 1379 Luisehahne
			$base_file = "backend_body.js";
472
		}
473
		// check if backend_body.js files needs to be included to the <body></body> section of the backend
474
		if(isset($_GET['tool']))
475
			{
476
			// check if displayed page contains a installed admin tool
477 1486 DarkViper
			$sql  = 'SELECT * FROM `'.TABLE_PREFIX.'addons` ';
478
			$sql .= 'WHERE `type`=\'module\' AND `function`=\'tool\' AND `directory`=\''.addslashes($_GET['tool']).'\'';
479
			$result = $database->query($sql);
480 1379 Luisehahne
			if($result->numRows())
481
				{
482
				// check if admin tool directory contains a backend_body.js file to include
483
				$tool = $result->fetchRow();
484
				if(file_exists(WB_PATH ."/modules/" .$tool['directory'] ."/$base_file"))
485
				{
486
					// return link to the backend_body.js file
487
					return str_replace("{MODULE_DIRECTORY}", $tool['directory'], $base_link);
488
				}
489
			}
490
		} elseif(isset($_GET['page_id']) or isset($_POST['page_id']))
491
		{
492
			// check if displayed page in the backend contains a page module
493
			if (isset($_GET['page_id']))
494
			{
495
				$page_id = (int) addslashes($_GET['page_id']);
496
			} else {
497
				$page_id = (int) addslashes($_POST['page_id']);
498
			}
499
			// gather information for all models embedded on actual page
500 1486 DarkViper
			$sql = 'SELECT `module` FROM `'.TABLE_PREFIX.'sections` WHERE `page_id`='.(int)$page_id;
501
			$query_modules = $database->query($sql);
502 1379 Luisehahne
			while($row = $query_modules->fetchRow()) {
503
				// check if page module directory contains a backend_body.js file
504
				if(file_exists(WB_PATH ."/modules/" .$row['module'] ."/$base_file")) {
505
					// create link with backend_body.js source for the current module
506
					$tmp_link = str_replace("{MODULE_DIRECTORY}", $row['module'], $base_link);
507
					// ensure that backend_body.js is only added once per module type
508
					if(strpos($body_links, $tmp_link) === false) {
509
						$body_links .= $tmp_link ."\n";
510
					}
511
				}
512
			}
513
			// write out links with all external module javascript/CSS files, remove last line feed
514
			return rtrim($body_links);
515
		}
516
	}
517
518
519
	// Function to add optional module Javascript or CSS stylesheets into the <head> section of the backend
520
	function register_backend_modfiles($file_id="css") {
521
		// sanity check of parameter passed to the function
522
		$file_id = strtolower($file_id);
523
		if($file_id !== "css" && $file_id !== "javascript" && $file_id !== "js") {
524
			return;
525
		}
526
527
		global $database;
528
		// define default baselink and filename for optional module javascript and stylesheet files
529
		$head_links = "";
530
		if($file_id == "css") {
531
      	$base_link = '<link href="'.WB_URL.'/modules/{MODULE_DIRECTORY}/backend.css"';
532
			$base_link.= ' rel="stylesheet" type="text/css" media="screen" />';
533
			$base_file = "backend.css";
534
		} else {
535 1441 Luisehahne
			$base_link = '<script src="'.WB_URL.'/modules/{MODULE_DIRECTORY}/backend.js" type="text/javascript"></script>';
536 1379 Luisehahne
			$base_file = "backend.js";
537
		}
538
539
		// check if backend.js or backend.css files needs to be included to the <head></head> section of the backend
540
		if(isset($_GET['tool'])) {
541
			// check if displayed page contains a installed admin tool
542 1486 DarkViper
			$sql  = 'SELECT * FROM `'.TABLE_PREFIX.'addons` ';
543
			$sql .= 'WHERE `type`=\'module\' AND `function`=\'tool\' AND `directory`=\''.addslashes($_GET['tool']).'\'';
544
			$result = $database->query($sql);
545 1379 Luisehahne
			if($result->numRows()) {
546
				// check if admin tool directory contains a backend.js or backend.css file to include
547
				$tool = $result->fetchRow();
548
				if(file_exists(WB_PATH ."/modules/" .$tool['directory'] ."/$base_file")) {
549
        			// return link to the backend.js or backend.css file
550
					return str_replace("{MODULE_DIRECTORY}", $tool['directory'], $base_link);
551
				}
552
			}
553 1441 Luisehahne
		} elseif(isset($_GET['page_id']) || isset($_POST['page_id'])) {
554 1379 Luisehahne
			// check if displayed page in the backend contains a page module
555
			if (isset($_GET['page_id'])) {
556
				$page_id = (int)$_GET['page_id'];
557
			} else {
558
				$page_id = (int)$_POST['page_id'];
559
			}
560
561
    		// gather information for all models embedded on actual page
562 1486 DarkViper
			$sql = 'SELECT `module` FROM `'.TABLE_PREFIX.'sections` WHERE `page_id`='.(int)$page_id;
563
			$query_modules = $database->query($sql);
564 1379 Luisehahne
565
    		while($row = $query_modules->fetchRow()) {
566
				// check if page module directory contains a backend.js or backend.css file
567
      		if(file_exists(WB_PATH ."/modules/" .$row['module'] ."/$base_file")) {
568
					// create link with backend.js or backend.css source for the current module
569
					$tmp_link = str_replace("{MODULE_DIRECTORY}", $row['module'], $base_link);
570
        			// ensure that backend.js or backend.css is only added once per module type
571
        			if(strpos($head_links, $tmp_link) === false) {
572
						$head_links .= $tmp_link ."\n";
573
					}
574
				}
575
    		}
576
    		// write out links with all external module javascript/CSS files, remove last line feed
577
			return rtrim($head_links);
578
		}
579
	}
580
}