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1
<?php
2
/**
3
 *
4
 * @category        frontend
5
 * @package         account
6
 * @author          WebsiteBaker Project
7
 * @copyright       2004-2009, Ryan Djurovich
8
 * @copyright       2009-2010, Website Baker Org. e.V.
9
 * @link			http://www.websitebaker2.org/
10
 * @license         http://www.gnu.org/licenses/gpl.html
11
 * @platform        WebsiteBaker 2.8.x
12
 * @requirements    PHP 4.3.4 and higher
13
 * @version         $Id: class.admin.php 1291 2010-02-19 02:07:14Z Luisehahne $
14
 * @filesource		$HeadURL: svn://isteam.dynxs.de/wb-archiv/branches/2.8.x/wb/framework/class.admin.php $
15
 * @lastmodified    $Date: 2010-02-19 03:07:14 +0100 (Fri, 19 Feb 2010) $
16
 *
17
 */
18

    
19
if(!defined('WB_URL')) {
20
	header('Location: ../index.php');
21
	exit(0);
22
}
23

    
24
require_once(WB_PATH.'/framework/class.wb.php');
25

    
26
// Include PHPLIB template class
27
require_once(WB_PATH."/include/phplib/template.inc");
28

    
29
// Get WB version
30
require_once(ADMIN_PATH.'/interface/version.php');
31

    
32
// Include EditArea wrapper functions
33
require_once(WB_PATH . '/include/editarea/wb_wrapper_edit_area.php');
34

    
35
/*
36
Begin user changeable settings
37
*/
38

    
39

    
40
class admin extends wb {
41
	// Authenticate user then auto print the header
42
	function admin($section_name, $section_permission = 'start', $auto_header = true, $auto_auth = true) {
43
		$this->wb();
44
		global $MESSAGE;
45
		// Specify the current applications name
46
		$this->section_name = $section_name;
47
		$this->section_permission = $section_permission;
48
		// Authenticate the user for this application
49
		if($auto_auth == true) {
50
			// First check if the user is logged-in
51
			if($this->is_authenticated() == false) {
52
				header('Location: '.ADMIN_URL.'/login/index.php');
53
				exit(0);
54
			}
55
			// Now check if they are allowed in this section
56
			if($this->get_permission($section_permission) == false) {
57
				die($MESSAGE['ADMIN']['INSUFFICIENT_PRIVELLIGES']);
58
			}
59
		}
60
		
61
		// Check if the backend language is also the selected language. If not, send headers again.
62
		global $database;
63
		$get_user_language = @$database->query("SELECT language FROM ".TABLE_PREFIX.
64
			"users WHERE user_id = '" .(int) $this->get_user_id() ."'");
65
		$user_language = ($get_user_language) ? $get_user_language->fetchRow() : '';
66
		// prevent infinite loop if language file is not XX.php (e.g. DE_du.php)
67
		$user_language = substr($user_language[0],0,2);
68
		// obtain the admin folder (e.g. /admin)
69
		$admin_folder = str_replace(WB_PATH, '', ADMIN_PATH);
70
		if((LANGUAGE != $user_language) && file_exists(WB_PATH .'/languages/' .$user_language .'.php')
71
			&& strpos($_SERVER['PHP_SELF'],$admin_folder.'/') !== false) {
72
			// check if page_id is set
73
			$page_id_url = (isset($_GET['page_id'])) ? '&page_id=' .(int) $_GET['page_id'] : '';
74
			$section_id_url = (isset($_GET['section_id'])) ? '&section_id=' .(int) $_GET['section_id'] : '';
75
			if(isset($_SERVER['QUERY_STRING']) && $_SERVER['QUERY_STRING'] != '') { // check if there is an query-string
76
				header('Location: '.$_SERVER['PHP_SELF'] .'?lang='.$user_language .$page_id_url .$section_id_url.'&'.$_SERVER['QUERY_STRING']);
77
			} else {
78
				header('Location: '.$_SERVER['PHP_SELF'] .'?lang='.$user_language .$page_id_url .$section_id_url);
79
			}
80
			exit();
81
		}
82

    
83
		// Auto header code
84
		if($auto_header == true) {
85
			$this->print_header();
86
		}
87
	}
88
	
89
	// Print the admin header
90
	function print_header($body_tags = '') {
91
		// Get vars from the language file
92
		global $MENU;
93
		global $MESSAGE;
94
		global $TEXT;
95
		// Connect to database and get website title
96
		global $database;
97
		$get_title = $database->query("SELECT value FROM ".TABLE_PREFIX."settings WHERE name = 'website_title'");
98
		$title = $get_title->fetchRow();
99
		$header_template = new Template(THEME_PATH.'/templates');
100
		$header_template->set_file('page', 'header.htt');
101
		$header_template->set_block('page', 'header_block', 'header');
102
		if(defined('DEFAULT_CHARSET')) {
103
			$charset=DEFAULT_CHARSET;
104
		} else {
105
			$charset='utf-8';
106
		}
107

    
108
		// work out the URL for the 'View menu' link in the WB backend
109
		// if the page_id is set, show this page otherwise show the root directory of WB
110
		$view_url = WB_URL;
111
		if(isset($_GET['page_id'])) {
112
			// extract page link from the database
113
			$result = @$database->query("SELECT link FROM " .TABLE_PREFIX ."pages WHERE page_id = '" .(int) addslashes($_GET['page_id']) ."'");
114
			$row = @$result->fetchRow();
115
			if($row) $view_url .= PAGES_DIRECTORY .$row['link']. PAGE_EXTENSION;
116
		}
117

    
118
		$header_template->set_var(	array(
119
													'SECTION_NAME' => $MENU[strtoupper($this->section_name)],
120
													'BODY_TAGS' => $body_tags,
121
													'WEBSITE_TITLE' => ($title['value']),
122
													'TEXT_ADMINISTRATION' => $TEXT['ADMINISTRATION'],
123
													'CURRENT_USER' => $MESSAGE['START']['CURRENT_USER'],
124
													'DISPLAY_NAME' => $this->get_display_name(),
125
													'CHARSET' => $charset,
126
													'LANGUAGE' => strtolower(LANGUAGE),
127
													'VERSION' => VERSION,
128
													'REVISION' => REVISION,
129
													'WB_URL' => WB_URL,
130
													'ADMIN_URL' => ADMIN_URL,
131
													'THEME_URL' => THEME_URL,
132
													'TITLE_START' => $MENU['START'],
133
													'TITLE_VIEW' => $MENU['VIEW'],
134
													'TITLE_HELP' => $MENU['HELP'],
135
													'TITLE_LOGOUT' =>  $MENU['LOGOUT'],
136
													'URL_VIEW' => $view_url,
137
													'URL_HELP' => 'http://www.websitebaker2.org/',
138
													'BACKEND_MODULE_CSS' => $this->register_backend_modfiles('css'),	// adds backend.css
139
													'BACKEND_MODULE_JS'  => $this->register_backend_modfiles('js')		// adds backend.js
140
													)
141
											);
142

    
143
		// Create the menu
144
		$menu = array(
145
					array(ADMIN_URL.'/pages/index.php', '', $MENU['PAGES'], 'pages', 1),
146
					array(ADMIN_URL.'/media/index.php', '', $MENU['MEDIA'], 'media', 1),
147
					array(ADMIN_URL.'/addons/index.php', '', $MENU['ADDONS'], 'addons', 1),
148
					array(ADMIN_URL.'/preferences/index.php', '', $MENU['PREFERENCES'], 'preferences', 0),
149
					array(ADMIN_URL.'/settings/index.php', '', $MENU['SETTINGS'], 'settings', 1),
150
					array(ADMIN_URL.'/admintools/index.php', '', $MENU['ADMINTOOLS'], 'admintools', 1),
151
					array(ADMIN_URL.'/access/index.php', '', $MENU['ACCESS'], 'access', 1)
152
					);
153
		$header_template->set_block('header_block', 'linkBlock', 'link');
154
		foreach($menu AS $menu_item) {
155
			$link = $menu_item[0];
156
			$target = ($menu_item[1] == '') ? '_self' : $menu_item[1];
157
			$title = $menu_item[2];
158
			$permission_title = $menu_item[3];
159
			$required = $menu_item[4];
160
			$replace_old = array(ADMIN_URL, WB_URL, '/', 'index.php');
161
			if($required == false OR $this->get_link_permission($permission_title)) {
162
				$header_template->set_var('LINK', $link);
163
				$header_template->set_var('TARGET', $target);
164
				// If link is the current section apply a class name
165
				if($permission_title == strtolower($this->section_name)) {
166
					$header_template->set_var('CLASS', $menu_item[3] . ' current');
167
				} else {
168
					$header_template->set_var('CLASS', $menu_item[3]);
169
				}
170
				$header_template->set_var('TITLE', $title);
171
				// Print link
172
				$header_template->parse('link', 'linkBlock', true);
173
			}
174
		}
175
		$header_template->parse('header', 'header_block', false);
176
		$header_template->pparse('output', 'page');
177
	}
178
	
179
	// Print the admin footer
180
	function print_footer() {
181
		// include the required file for Javascript admin
182
		if(file_exists(WB_PATH.'/modules/jsadmin/jsadmin_backend_include.php')){
183
		@include(WB_PATH.'/modules/jsadmin/jsadmin_backend_include.php');
184
		}
185
		$footer_template = new Template(THEME_PATH.'/templates');
186
		$footer_template->set_file('page', 'footer.htt');
187
		$footer_template->set_block('page', 'footer_block', 'header');
188
		$footer_template->set_var(array(
189
						'BACKEND_BODY_MODULE_JS' => $this->register_backend_modfiles_body('js'),
190
						'WB_URL' => WB_URL,
191
						'WB_PATH' => WB_PATH,
192
						'ADMIN_URL' => ADMIN_URL,
193
						'THEME_URL' => THEME_URL,
194
			 ) );
195
		$footer_template->parse('header', 'footer_block', false);
196
		$footer_template->pparse('output', 'page');
197
	}
198
	
199
	// Return a system permission
200
	function get_permission($name, $type = 'system') {
201
		// Append to permission type
202
		$type .= '_permissions';
203
		// Check if we have a section to check for
204
		if($name == 'start') {
205
			return true;
206
		} else {
207
			// Set system permissions var
208
			$system_permissions = $this->get_session('SYSTEM_PERMISSIONS');
209
			// Set module permissions var
210
			$module_permissions = $this->get_session('MODULE_PERMISSIONS');
211
			// Set template permissions var
212
			$template_permissions = $this->get_session('TEMPLATE_PERMISSIONS');
213
			// Return true if system perm = 1
214
			if (isset($$type) && is_array($$type) && is_numeric(array_search($name, $$type))) {
215
				if($type == 'system_permissions') {
216
					return true;
217
				} else {
218
					return false;
219
				}
220
			} else {
221
				if($type == 'system_permissions') {
222
					return false;
223
				} else {
224
					return true;
225
				}
226
			}
227
		}
228
	}
229
		
230
	function get_user_details($user_id) {
231
		global $database;
232
		$query_user = "SELECT username,display_name FROM ".TABLE_PREFIX."users WHERE user_id = '$user_id'";
233
		$get_user = $database->query($query_user);
234
		if($get_user->numRows() != 0) {
235
			$user = $get_user->fetchRow();
236
		} else {
237
			$user['display_name'] = 'Unknown';
238
			$user['username'] = 'unknown';
239
		}
240
		return $user;
241
	}	
242
	
243
	function get_page_details($page_id) {
244
		global $database;
245
		$query = "SELECT page_id,page_title,menu_title,modified_by,modified_when FROM ".TABLE_PREFIX."pages WHERE page_id = '$page_id'";
246
		$results = $database->query($query);
247
		if($database->is_error()) {
248
			$this->print_header();
249
			$this->print_error($database->get_error());
250
		}
251
		if($results->numRows() == 0) {
252
			$this->print_header();
253
			$this->print_error($MESSAGE['PAGES']['NOT_FOUND']);
254
		}
255
		$results_array = $results->fetchRow();
256
		return $results_array;
257
	}	
258
	
259
	/** Function get_page_permission takes either a numerical page_id,
260
	 * upon which it looks up the permissions in the database,
261
	 * or an array with keys admin_groups and admin_users  
262
	 */
263
	function get_page_permission($page,$action='admin') {
264
		if ($action!='viewing') $action='admin';
265
		$action_groups=$action.'_groups';
266
		$action_users=$action.'_users';
267
		if (is_array($page)) {
268
				$groups=$page[$action_groups];
269
				$users=$page[$action_users];
270
		} else {				
271
			global $database;
272
			$results = $database->query("SELECT $action_groups,$action_users FROM ".TABLE_PREFIX."pages WHERE page_id = '$page'");
273
			$result = $results->fetchRow();
274
			$groups = explode(',', str_replace('_', '', $result[$action_groups]));
275
			$users = explode(',', str_replace('_', '', $result[$action_users]));
276
		}
277

    
278
		$in_group = FALSE;
279
		foreach($this->get_groups_id() as $cur_gid){
280
		    if (in_array($cur_gid, $groups)) {
281
		        $in_group = TRUE;
282
		    }
283
		}
284
		if((!$in_group) AND !is_numeric(array_search($this->get_user_id(), $users))) {
285
			return false;
286
		}
287
		return true;
288
	}
289
		
290

    
291
	// Returns a system permission for a menu link
292
	function get_link_permission($title) {
293
		$title = str_replace('_blank', '', $title);
294
		$title = strtolower($title);
295
		// Set system permissions var
296
		$system_permissions = $this->get_session('SYSTEM_PERMISSIONS');
297
		// Set module permissions var
298
		$module_permissions = $this->get_session('MODULE_PERMISSIONS');
299
		if($title == 'start') {
300
			return true;
301
		} else {
302
			// Return true if system perm = 1
303
			if(is_numeric(array_search($title, $system_permissions))) {
304
				return true;
305
			} else {
306
				return false;
307
			}
308
		}
309
	}
310

    
311
	// Function to add optional module Javascript or CSS stylesheets into the <body> section of the backend
312
	function register_backend_modfiles_body($file_id="js")
313
		{
314
		// sanity check of parameter passed to the function
315
		$file_id = strtolower($file_id);
316
		if($file_id !== "javascript" && $file_id !== "js")
317
		{
318
			return;
319
		}
320
		global $database;
321
        $body_links = "";
322
		// define default baselink and filename for optional module javascript and stylesheet files
323
		if($file_id == "js") {
324
			$base_link = '<script type="text/javascript" src="'.WB_URL.'/modules/{MODULE_DIRECTORY}/backend_body.js"></script>';
325
			$base_file = "backend_body.js";
326
		}
327
		// check if backend_body.js files needs to be included to the <body></body> section of the backend
328
		if(isset($_GET['tool']))
329
			{
330
			// check if displayed page contains a installed admin tool
331
			$result = $database->query("SELECT * FROM " .TABLE_PREFIX ."addons
332
				WHERE type = 'module' AND function = 'tool' AND directory = '".addslashes($_GET['tool'])."'");
333
			if($result->numRows())
334
				{
335
				// check if admin tool directory contains a backend_body.js file to include
336
				$tool = $result->fetchRow();
337
				if(file_exists(WB_PATH ."/modules/" .$tool['directory'] ."/$base_file"))
338
				{
339
					// return link to the backend_body.js file
340
					return str_replace("{MODULE_DIRECTORY}", $tool['directory'], $base_link);
341
				}
342
			}
343
		} elseif(isset($_GET['page_id']) or isset($_POST['page_id']))
344
		{
345
			// check if displayed page in the backend contains a page module
346
			if (isset($_GET['page_id']))
347
			{
348
				$page_id = (int) addslashes($_GET['page_id']);
349
			} else {
350
				$page_id = (int) addslashes($_POST['page_id']);
351
			}
352
			// gather information for all models embedded on actual page
353
			$query_modules = $database->query("SELECT module FROM " .TABLE_PREFIX ."sections
354
				WHERE page_id=$page_id");
355
			while($row = $query_modules->fetchRow()) {
356
				// check if page module directory contains a backend_body.js file
357
				if(file_exists(WB_PATH ."/modules/" .$row['module'] ."/$base_file")) {
358
					// create link with backend_body.js source for the current module
359
					$tmp_link = str_replace("{MODULE_DIRECTORY}", $row['module'], $base_link);
360
					// ensure that backend_body.js is only added once per module type
361
					if(strpos($body_links, $tmp_link) === false) {
362
						$body_links .= $tmp_link ."\n";
363
					}
364
				}
365
			}
366
			// write out links with all external module javascript/CSS files, remove last line feed
367
			return rtrim($body_links);
368
		}
369
	}
370

    
371

    
372
	// Function to add optional module Javascript or CSS stylesheets into the <head> section of the backend
373
	function register_backend_modfiles($file_id="css") {
374
		// sanity check of parameter passed to the function
375
		$file_id = strtolower($file_id);
376
		if($file_id !== "css" && $file_id !== "javascript" && $file_id !== "js") {
377
			return;
378
		}
379

    
380
		global $database;
381
		// define default baselink and filename for optional module javascript and stylesheet files
382
		$head_links = "";
383
		if($file_id == "css") {
384
      	$base_link = '<link href="'.WB_URL.'/modules/{MODULE_DIRECTORY}/backend.css"';
385
			$base_link.= ' rel="stylesheet" type="text/css" media="screen" />';
386
			$base_file = "backend.css";
387
		} else {
388
			$base_link = '<script type="text/javascript" src="'.WB_URL.'/modules/{MODULE_DIRECTORY}/backend.js"></script>';
389
			$base_file = "backend.js";
390
		}
391

    
392
		// check if backend.js or backend.css files needs to be included to the <head></head> section of the backend
393
		if(isset($_GET['tool'])) {
394
			// check if displayed page contains a installed admin tool
395
			$result = $database->query("SELECT * FROM " .TABLE_PREFIX ."addons
396
				WHERE type = 'module' AND function = 'tool' AND directory = '".addslashes($_GET['tool'])."'");
397

    
398
			if($result->numRows()) {
399
				// check if admin tool directory contains a backend.js or backend.css file to include
400
				$tool = $result->fetchRow();
401
				if(file_exists(WB_PATH ."/modules/" .$tool['directory'] ."/$base_file")) {
402
        			// return link to the backend.js or backend.css file
403
					return str_replace("{MODULE_DIRECTORY}", $tool['directory'], $base_link);
404
				}
405
			}
406
		} elseif(isset($_GET['page_id']) or isset($_POST['page_id'])) {
407
			// check if displayed page in the backend contains a page module
408
			if (isset($_GET['page_id'])) {
409
				$page_id = (int)$_GET['page_id'];
410
			} else {
411
				$page_id = (int)$_POST['page_id'];
412
			}
413

    
414
    		// gather information for all models embedded on actual page
415
			$query_modules = $database->query("SELECT module FROM " .TABLE_PREFIX ."sections
416
				WHERE page_id=$page_id");
417

    
418
    		while($row = $query_modules->fetchRow()) {
419
				// check if page module directory contains a backend.js or backend.css file
420
      		if(file_exists(WB_PATH ."/modules/" .$row['module'] ."/$base_file")) {
421
					// create link with backend.js or backend.css source for the current module
422
					$tmp_link = str_replace("{MODULE_DIRECTORY}", $row['module'], $base_link);
423
        			// ensure that backend.js or backend.css is only added once per module type
424
        			if(strpos($head_links, $tmp_link) === false) {
425
						$head_links .= $tmp_link ."\n";
426
					}
427
				}
428
    		}
429
    		// write out links with all external module javascript/CSS files, remove last line feed
430
			return rtrim($head_links);
431
		}
432
	}
433
}
434

    
435
?>
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