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1
<?php
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3
// $Id: class.frontend.php 58 2005-09-09 21:41:11Z stefan $
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5
/*
6

    
7
 Website Baker Project <http://www.websitebaker.org/>
8
 Copyright (C) 2004-2005, Ryan Djurovich
9

    
10
 Website Baker is free software; you can redistribute it and/or modify
11
 it under the terms of the GNU General Public License as published by
12
 the Free Software Foundation; either version 2 of the License, or
13
 (at your option) any later version.
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15
 Website Baker is distributed in the hope that it will be useful,
16
 but WITHOUT ANY WARRANTY; without even the implied warranty of
17
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18
 GNU General Public License for more details.
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20
 You should have received a copy of the GNU General Public License
21
 along with Website Baker; if not, write to the Free Software
22
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
23

    
24
*/
25

    
26
/*
27

    
28
Frontend class
29

    
30
*/
31

    
32
if(!defined('WB_PATH')) {
33
	header('Location: ../index.php');
34
}
35

    
36

    
37
require_once(WB_PATH.'/framework/class.wb.php');
38

    
39
class frontend extends wb {
40
	// defaults
41
	var $default_link,$default_page_id;
42
	// when multiple blocks are used, show home page blocks on 
43
	// pages where no content is defined (search, login, ...)
44
	var $no_default_block_content=false;
45

    
46
	// page details
47
	// page database row
48
	var $page;
49
	var $page_id,$page_title,$menu_title,$parent,$root_parent,$level,$visibility;
50
	var $page_description,$page_keywords,$page_link_original,$page_link;
51
	var $page_trail=array();
52
	
53
	var $page_access_denied;
54
	
55
	// website settings
56
	var $website_title,$website_description,$website_keywords,$website_header,$website_footer;
57

    
58
	// ugly database stuff
59
	var $extra_where_sql;
60

    
61
	function frontend() {
62
		$this->wb();
63
	}
64
	
65
	function page_select() {
66
		global $page_id,$no_intro;
67
		$database=& $this->database;
68
		// We have no page id and are supposed to show the intro page
69
		if((INTRO_PAGE AND !isset($no_intro)) AND (!isset($page_id) OR !is_numeric($page_id))) {
70
			// Since we have no page id check if we should go to intro page or default page
71
			// Get intro page content
72
			$filename = WB_PATH.PAGES_DIRECTORY.'/intro.php';
73
			if(file_exists($filename)) {
74
				$handle = fopen($filename, "r");
75
				$content = fread($handle, filesize($filename));
76
				fclose($handle);
77
				$this->preprocess($content);
78
				echo $this->strip_slashes_dummy($content);
79
				return false;
80
			}
81
		}
82
		// Check if we should add page language sql code
83
		if(PAGE_LANGUAGES) {
84
			$this->sql_where_language = " AND language = '".LANGUAGE."'";
85
		}
86
		// Get default page
87
		// Check for a page id
88
		$query_default = "SELECT page_id,link FROM ".TABLE_PREFIX."pages WHERE parent = '0' AND visibility = 'public'$this->sql_where_language ORDER BY position ASC LIMIT 1";
89
		$get_default = $database->query($query_default);
90
		$default_num_rows = $get_default->numRows();
91
		if(!isset($page_id) OR !is_numeric($page_id)){
92
			// Go to or show default page
93
			if($default_num_rows > 0) {
94
				$fetch_default = $get_default->fetchRow();
95
				$this->default_link = $fetch_default['link'];
96
				$this->default_page_id = $fetch_default['page_id'];
97
				// Check if we should redirect or include page inline
98
				if(HOMEPAGE_REDIRECTION) {
99
					// Redirect to page
100
					header("Location: ".page_link($this->default_link));
101
					exit();
102
				} else {
103
					// Include page inline
104
					$this->page_id = $this->default_page_id;
105
				}
106
			} else {
107
		   		// No pages have been added, so print under construction page
108
				$this->print_under_construction();
109
				exit();
110
			}
111
		} else {
112
			$this->page_id=$page_id;
113
		}
114
		// Get default page link
115
		if(!isset($fetch_default)) {
116
		  	$fetch_default = $get_default->fetchRow();
117
	 		$this->default_link = $fetch_default['link'];
118
			$this->default_page_id = $fetch_default['page_id'];
119
		}
120
		return true;
121
	}
122

    
123
	function get_page_details() {
124
		$database = & $this->database;
125
	    if($this->page_id != 0) {
126
			// Query page details
127
			$query_page = "SELECT * FROM ".TABLE_PREFIX."pages WHERE page_id = '{$this->page_id}'";
128
			$get_page = $database->query($query_page);
129
			// Make sure page was found in database
130
			if($get_page->numRows() == 0) {
131
				// Print page not found message
132
				exit("Page not found");
133
			}
134
			// Fetch page details
135
			$this->page = $get_page->fetchRow();
136
			// Check if the page language is also the selected language. If not, send headers again.
137
			if ($this->page['language']!=LANGUAGE) {
138
				require_once(WB_PATH.'/framework/functions.php');
139
				header('Location: '.page_link($this->page['link']).'?lang='.$this->page['language']);
140
				exit();
141
			}
142
			// Begin code to set details as either variables of constants
143
			// Page ID
144
			define('PAGE_ID', $this->page['page_id']);
145
			$this->page_id=$this->page['page_id'];
146
			// Page Title
147
			define('PAGE_TITLE', $this->strip_slashes_dummy($this->page['page_title']));
148
			$this->page_title=PAGE_TITLE;
149
			// Menu Title
150
			$menu_title = $this->strip_slashes_dummy($this->page['menu_title']);
151
			if($menu_title != '') {
152
				define('MENU_TITLE', $menu_title);
153
			} else {
154
				define('MENU_TITLE', PAGE_TITLE);
155
			}
156
			$this->menu_title=MENU_TITLE;
157
			// Page parent
158
			define('PARENT', $this->page['parent']);
159
			$this->parent=$this->page['parent'];
160
			// Page root parent
161
			define('ROOT_PARENT', $this->page['root_parent']);
162
			$this->root_parent=$this->page['root_parent'];
163
			// Page level
164
			define('LEVEL', $this->page['level']);
165
			$this->level=$this->page['level'];
166
			// Page visibility
167
			define('VISIBILITY', $this->page['visibility']);
168
			$this->visibility=$this->page['visibility'];
169
			// Page trail
170
			foreach(explode(',', $this->page['page_trail']) AS $pid) {
171
				$this->page_trail[$pid]=$pid;
172
			}
173
			// Page description
174
			$this->page_description=$this->page['description'];
175
			// Page keywords
176
			$this->page_keywords=$this->page['keywords'];
177
			// Page link
178
			$this->link=$this->page_link($this->page['link']);
179

    
180
		// End code to set details as either variables of constants
181
		}
182

    
183
		// Work-out if any possible in-line search boxes should be shown
184
		if(SEARCH == 'public') {
185
			define('SHOW_SEARCH', true);
186
		} elseif(SEARCH == 'private' AND VISIBILITY == 'private') {
187
			define('SHOW_SEARCH', true);
188
		} elseif(SEARCH == 'private' AND $wb->is_authenticated() == true) {
189
			define('SHOW_SEARCH', true);
190
		} else {
191
			define('SHOW_SEARCH', false);
192
		}
193
		// Work-out if menu should be shown
194
		if(!defined('SHOW_MENU')) {
195
			define('SHOW_MENU', true);
196
		}
197
		// Work-out if login menu constants should be set
198
		if(FRONTEND_LOGIN) {
199
			// Set login menu constants
200
			define('LOGIN_URL', WB_URL.'/account/login'.PAGE_EXTENSION);
201
			define('LOGOUT_URL', WB_URL.'/account/logout'.PAGE_EXTENSION);
202
			define('FORGOT_URL', WB_URL.'/account/forgot'.PAGE_EXTENSION);
203
			define('PREFERENCES_URL', WB_URL.'/account/preferences'.PAGE_EXTENSION);
204
			define('SIGNUP_URL', WB_URL.'/account/signup'.PAGE_EXTENSION);
205
		}
206

    
207
		// Figure out what template to use
208
		if(!defined('TEMPLATE')) {
209
			if(isset($this->page['template']) AND $this->page['template'] != '') {
210
				if(file_exists(WB_PATH.'/templates/'.$this->page['template'].'/index.php')) {
211
					define('TEMPLATE', $this->page['template']);
212
				} else {
213
					define('TEMPLATE', DEFAULT_TEMPLATE);
214
				}
215
			} else {
216
				define('TEMPLATE', DEFAULT_TEMPLATE);
217
			}
218
		}
219
		// Set the template dir
220
		define('TEMPLATE_DIR', WB_URL.'/templates/'.TEMPLATE);
221

    
222
		// Check if user is allow to view this page
223
		if(VISIBILITY == 'private' OR VISIBILITY == 'registered') {
224
			// Check if the user is authenticated
225
			if($this->is_authenticated() == false) {
226
				// User needs to login first
227
				header("Location: ".WB_URL."/account/login".PAGE_EXTENSION.'?redirect='.$this->link);
228
			}
229
			// Check if we should show this page
230
			if($this->show_page($this->page) == false) {
231
				$this->page_access_denied=true;
232
			}
233
		} elseif(VISIBILITY == 'deleted' OR VISIBILITY == 'none') {
234
			// User isnt allowed on this page so tell them
235
			$this->page_access_denied=true;
236
		}
237
		// never show no-vis, hidden or deleted pages
238
		$this->extra_where_sql = "visibility != 'none' AND visibility != 'hidden' AND visibility != 'deleted'";
239
		// Set extra private sql code
240
		if($this->is_authenticated()==false) {
241
			// if user is not authenticated, don't show private pages either
242
			$this->extra_where_sql .= " AND visibility != 'private'";
243
			// and 'registered' without frontend login doesn't make much sense!
244
			if (FRONTEND_LOGIN==false) {
245
				$this->extra_where_sql .= " AND visibility != 'registered'";
246
			}
247
		}
248
		$this->extra_where_sql .= $this->sql_where_language;
249
	}
250

    
251
	function get_website_settings() {
252
		$database = & $this->database;
253
		// Get website settings (title, keywords, description, header, and footer)
254
		$query_settings = "SELECT name,value FROM ".TABLE_PREFIX."settings";
255
		$get_settings = $database->query($query_settings);
256
		while($setting = $get_settings->fetchRow()) {
257
			switch($setting['name']) {
258
				case 'title':
259
					define('WEBSITE_TITLE', $this->strip_slashes_dummy($setting['value']));
260
					$this->website_title=WEBSITE_TITLE;
261
				break;
262
				case 'description':
263
					if($page_description != '') {
264
						define('WEBSITE_DESCRIPTION', $page_description);
265
					} else {
266
						define('WEBSITE_DESCRIPTION', $this->strip_slashes_dummy($setting['value']));
267
					}
268
					$this->website_description=WEBSITE_DESCRIPTION;
269
				break;
270
				case 'keywords':
271
					if($page_keywords != '') {
272
						define('WEBSITE_KEYWORDS', $this->strip_slashes_dummy($setting['value']).' '.$page_keywords);
273
					} else {
274
						define('WEBSITE_KEYWORDS', $this->strip_slashes_dummy($setting['value']));
275
					}
276
					$this->website_keywords=WEBSITE_KEYWORDS;
277
				break;
278
				case 'header':
279
					define('WEBSITE_HEADER', $this->strip_slashes_dummy($setting['value']));
280
					$this->website_header=WEBSITE_HEADER;
281
				break;
282
				case 'footer':
283
					define('WEBSITE_FOOTER', $this->strip_slashes_dummy($setting['value']));
284
					$this->website_footer=WEBSITE_FOOTER;
285
				break;
286
			}
287
		}
288
	}
289
	
290
	function page_link($link){
291
		// Check for :// in the link (used in URL's)
292
		if(strstr($link, '://') == '') {
293
			return WB_URL.PAGES_DIRECTORY.$link.PAGE_EXTENSION;
294
		} else {
295
			return $link;
296
		}
297
	}
298
	
299
	function preprocess(&$content) {
300
		$database = & $this->database;
301
		// Replace [wblink--PAGE_ID--] with real link
302
		$pattern = '/\[wblink(.+?)\]/s';
303
		preg_match_all($pattern,$content,$ids);
304
		foreach($ids[1] AS $page_id) {
305
			$pattern = '/\[wblink'.$page_id.'\]/s';
306
			// Get page link
307
			$get_link = $database->query("SELECT link FROM ".TABLE_PREFIX."pages WHERE page_id = '$page_id' LIMIT 1");
308
			$fetch_link = $get_link->fetchRow();
309
			$link = page_link($fetch_link['link']);
310
			$content = preg_replace($pattern,$link,$content);
311
		}
312
	}
313
	
314
	function menu() {
315
	   if (!isset($this->menu_number)) {
316
	   	$this->menu_number = 1;
317
	   }
318
	   if (!isset($this->menu_start_level)) {
319
	   	$this->menu_start_level = 0;
320
	   }
321
	   if (!isset($this->menu_recurse)) {
322
	   	$this->menu_recurse = -1;
323
	   }
324
	   if (!isset($this->menu_collapse)) {
325
	   	$this->menu_collapse = true;
326
	   }
327
	   if (!isset($this->menu_item_template)) {
328
	   	$this->menu_item_template = '<li><span[class]>[a][menu_title][/a]</span>';
329
	   }
330
	   if (!isset($this->menu_item_footer)) {
331
	   	$this->menu_item_footer = '</li>';
332
	   }
333
	   if (!isset($this->menu_header)) {
334
	   	$this->menu_header = '<ul>';
335
	   }
336
	   if (!isset($this->menu_footer)) {
337
	   	$this->menu_footer = '<ul>';
338
	   }
339
	   if (!isset($this->menu_default_class)) {
340
	   	$this->menu_default_class = ' class="menu_default"';
341
	   }
342
	   if (!isset($this->menu_current_class)) {
343
	   	$this->menu_current_class = ' class="menu_current"';
344
	   }
345
       if (!isset($this->menu_parent)) {
346
     	$this->menu_parent = 0;
347
	   }
348
	   $this->show_menu();
349
	   if ($start_level>0) {
350
	       $key_array=array_keys($this->page_trail);
351
	       $real_start=$key_array[$start_level-1];
352
	       if (isset($real_start))
353
	       {
354
	       		$this->menu_parent=$real_start;
355
	          $this->show_menu();
356
	       }
357
	       return;
358
	   }
359

    
360
	}
361
	
362
	function show_menu() {
363
	   $database = & $this->database;
364
	   if ($this->menu_recurse==0)
365
	       return;
366
	   // Check if we should add menu number check to query
367
	   if($menu_parent == 0) {
368
	       $menu_number = "menu = '$this->menu_number'";
369
	   } else {
370
	      $menu_number = '1';
371
	   }
372
	   // Query pages
373
	   $query_menu = $database->query("SELECT page_id,menu_title,page_title,link,target,level,visibility FROM ".
374
	TABLE_PREFIX."pages WHERE parent = '$this->menu_parent' AND $menu_number AND $this->extra_where_sql ORDER BY position ASC");
375
	   // Check if there are any pages to show
376
	   if($query_menu->numRows() > 0) {
377
	   	  // Print menu header
378
	   	  echo "\n".$this->menu_header;
379
	      // Loop through pages
380
	      while($page = $query_menu->fetchRow()) {
381
	      	 // Check if this page should be shown
382
	         // Create vars
383
	         $vars = array('[class]','[a]', '[/a]', '[menu_title]', '[page_title]');
384
	         // Work-out class
385
	         if($page['page_id'] == PAGE_ID) {
386
	            $class = $this->menu_current_class;
387
	         } else {
388
	            $class = $this->menu_default_class;
389
	         }
390
	         // Check if link is same as first page link, and if so change to WB URL
391
	         if($page['link'] == $this->default_link AND !INTRO_PAGE) {
392
	            $link = WB_URL;
393
	         } else {
394
	            $link = $this->page_link($page['link']);
395
	         }
396
	         // Create values
397
	         $values = array($class,'<a href="'.$link.'" target="'.$page['target'].'" '.$class.'>', '</a>', $this->strip_slashes_dummy($page['menu_title']), $this->strip_slashes_dummy($page['page_title']));
398
	         // Replace vars with value and print
399
	         echo "\n".str_replace($vars, $values, $this->menu_item_template);
400
	         // Generate sub-menu
401
	         if($this->menu_collapse==false OR ($this->menu_collapse==true AND isset($this->page_trail[$page['page_id']]))) {
402
	            $this->menu_recurse--;
403
	            $this->menu_parent=$page['page_id'];
404
	            $this->show_menu();
405
	         }
406
	         echo "\n".$this->menu_item_footer;
407
	      }
408
	      // Print menu footer
409
	      echo "\n".$this->menu_footer;
410
	   }
411
	}
412

    
413
	function content($block = 1) {
414
		// Get outside objects
415
		global $TEXT,$MENU,$HEADING,$MESSAGE;
416
		global $globals;
417
		$database = & $this->database;
418
		$admin = & $this;
419
		if ($this->page_access_denied==true) {
420
            echo $MESSAGE['FRONTEND']['SORRY_NO_VIEWING_PERMISSIONS'];
421
			exit();
422
		}
423
		if(isset($globals) AND is_array($globals)) { foreach($globals AS $global_name) { global $$global_name; } }
424
		// Make sure block is numeric
425
		if(!is_numeric($block)) { $block = 1; }
426
		// Include page content
427
		if(!defined('PAGE_CONTENT') OR $block!=1) {
428
			if ($this->page_id==0) {
429
				if ($this->default_block_content=='none') {
430
					return;
431
				}
432
				if (is_numeric($this->default_block_content)) {
433
					$page_id=$this->default_block_content;
434
				} else {
435
					$page_id=$this->default_page-id;
436
				}				
437
			} else {
438
				$page_id=$this->page_id;
439
			}
440
			// First get all sections for this page
441
			$query_sections = $database->query("SELECT section_id,module FROM ".TABLE_PREFIX."sections WHERE page_id = '".$page_id."' AND block = '$block' ORDER BY position");
442
			if($query_sections->numRows() > 0) {
443
				// Loop through them and include there modules file
444
				while($section = $query_sections->fetchRow()) {
445
					$section_id = $section['section_id'];
446
					$module = $section['module'];
447
					require(WB_PATH.'/modules/'.$module.'/view.php');
448
				}
449
			}
450
		} else {
451
			require(PAGE_CONTENT);
452
		}
453
	}
454

    
455
	function breadcrumbs($sep=' > ',$tier=1,$links=true) {
456
		$page_id=&$this->page_id;
457
		if ($page_id!=0)
458
		{
459
	 		global $database;
460
			$bca=&$this->page_trail;
461
			if (sizeof($bca)==0)
462
			        create_breadcrumbs($page_id);
463
			$counter=0;
464
			foreach ($bca as $temp)
465
			{
466
		        if ($counter>=(tier-1));
467
		        {
468
					if ($counter>=$tier) echo $sep;
469
					$query_menu=$database->query("SELECT menu_title,link FROM ".TABLE_PREFIX."pages WHERE page_id=$temp");
470
					$page=$query_menu->fetchRow();
471
					if ($links==true AND $temp!=$page_id)
472
						echo '<a href="'.page_link($page['link']).'">'.$page['menu_title'].'</a>';
473
					else
474
					        echo stripslashes($page['menu_title']);
475
		        }
476
                $counter++;
477
			}
478
		}
479
	}
480

    
481
	// Function for page title
482
	function page_title($spacer = ' - ', $template = '[WEBSITE_TITLE][SPACER][PAGE_TITLE]') {
483
		$vars = array('[WEBSITE_TITLE]', '[PAGE_TITLE]', '[MENU_TITLE]', '[SPACER]');
484
		$values = array(WEBSITE_TITLE, PAGE_TITLE, MENU_TITLE, $spacer);
485
		echo str_replace($vars, $values, $template);
486
	}
487

    
488
	// Function for page description
489
	function page_description() {
490
		echo WEBSITE_DESCRIPTION;
491
	}
492
	// Function for page keywords
493
	function page_keywords() {
494
		echo WEBSITE_KEYWORDS;
495
	}
496
	// Function for page header
497
	function page_header($date_format = 'Y') {
498
		echo WEBSITE_HEADER;
499
	}
500

    
501
	// Function for page footer
502
	function page_footer($date_format = 'Y') {
503
		global $starttime;
504
   		$vars = array('[YEAR]', '[PROCESSTIME]');
505
   		$processtime=(microtime()>$starttime)?microtime()-$starttime:microtime()-$starttime+1;
506
		$values = array(date($date_format),$processtime);
507
		echo str_replace($vars, $values, WEBSITE_FOOTER);
508
	}
509

    
510
	// Function to show the "Under Construction" page
511
	function print_under_construction() {
512
		global $MESSAGE;
513
		require_once(WB_PATH.'/languages/'.DEFAULT_LANGUAGE.'.php');
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		echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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		<head><title>'.$MESSAGE['GENERIC']['WEBSITE_UNDER_CONTRUCTION'].'</title>
516
		<style type="text/css"><!-- body { font-family: Verdana, Arial, Helvetica, sans-serif;
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		font-size: 12px; color: #000000;	background-color: #FFFFFF;	margin: 20px; text-align: center; }
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		h1 { margin: 0; padding: 0; }--></style></head><body>
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		<h1>'.$MESSAGE['GENERIC']['WEBSITE_UNDER_CONTRUCTION'];'.</h1><br />
520
		'.$MESSAGE['GENERIC']['PLEASE_CHECK_BACK_SOON'].'</body></html>';
521
	}
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}
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?>
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