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Revision 1289

Added by kweitzel almost 15 years ago

Branch 2.8.1 merged back into Trunk

View differences:

functions.php
1
<?php
2

  
3
// $Id$
4

  
5
/*
6

  
7
 Website Baker Project <http://www.websitebaker.org/>
8
 Copyright (C) 2004-2009, 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.
14

  
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.
19

  
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
Website Baker functions file
29
This file contains general functions used in Website Baker
30

  
31
*/
32

  
33
// Stop this file from being accessed directly
34
if(!defined('WB_URL')) {
35
	header('Location: ../index.php');
36
	exit(0);
37
}
38

  
39
// Define that this file has been loaded
40
define('FUNCTIONS_FILE_LOADED', true);
41

  
42
// Function to remove a non-empty directory
43
function rm_full_dir($directory)
44
{
45
    // If suplied dirname is a file then unlink it
46
    if (is_file($directory)) {
47
        return unlink($directory);
48
    }
49

  
50
    // Empty the folder
51
    $dir = dir($directory);
52
    while (false !== $entry = $dir->read()) {
53
        // Skip pointers
54
        if ($entry == '.' || $entry == '..') {
55
            continue;
56
        }
57

  
58
        // Deep delete directories      
59
        if (is_dir("$directory/$entry")) {
60
            rm_full_dir("$directory/$entry");
61
        } else {
62
            unlink("$directory/$entry");
63
        }
64
    }
65

  
66
    // Now delete the folder
67
    $dir->close();
68
    return rmdir($directory);
69
}
70

  
71
// Function to open a directory and add to a dir list
72
function directory_list($directory) {
73
	
74
	$list = array();
75

  
76
	// Open the directory then loop through its contents
77
	$dir = dir($directory);
78
	while (false !== $entry = $dir->read()) {
79
		// Skip pointers
80
		if(substr($entry, 0, 1) == '.' || $entry == '.svn') {
81
			continue;
82
		}
83
		// Add dir and contents to list
84
		if (is_dir("$directory/$entry")) {
85
			$list = array_merge($list, directory_list("$directory/$entry"));
86
			$list[] = "$directory/$entry";
87
		}
88
	}
89

  
90
	// Now return the list
91
	return $list;
92
}
93

  
94
// Function to open a directory and add to a dir list
95
function chmod_directory_contents($directory, $file_mode) {
96
	
97
	// Set the umask to 0
98
	$umask = umask(0);
99
	
100
	// Open the directory then loop through its contents
101
	$dir = dir($directory);
102
	while (false !== $entry = $dir->read()) {
103
		// Skip pointers
104
		if(substr($entry, 0, 1) == '.' || $entry == '.svn') {
105
			continue;
106
		}
107
		// Chmod the sub-dirs contents
108
		if(is_dir("$directory/$entry")) {
109
			chmod_directory_contents("$directory/$entry", $file_mode);
110
		}
111
		change_mode($directory.'/'.$entry);
112
	}
113
	
114
	// Restore the umask
115
	umask($umask);
116

  
117
}
118

  
119
// Function to open a directory and add to a file list
120
function file_list($directory, $skip = array()) {
121
	
122
	$list = array();
123
	$skip_file = false;
124
	
125
	// Open the directory then loop through its contents
126
	$dir = dir($directory);
127
	while (false !== $entry = $dir->read()) {
128
		// Skip pointers
129
		if($entry == '.' || $entry == '..') {
130
			$skip_file = true;
131
		}
132
		// Check if we to skip anything else
133
		if($skip != array()) {
134
			foreach($skip AS $skip_name) {
135
				if($entry == $skip_name) {
136
					$skip_file = true;
137
				}
138
			}
139
		}
140
		// Add dir and contents to list
141
		if($skip_file != true AND is_file("$directory/$entry")) {
142
			$list[] = "$directory/$entry";
143
		}
144
		
145
		// Reset the skip file var
146
		$skip_file = false;
147
	}
148

  
149
	// Now delete the folder
150
	return $list;
151
}
152

  
153
// Function to get a list of home folders not to show
154
function get_home_folders() {
155
	global $database, $admin;
156
	$home_folders = array();
157
	// Only return home folders is this feature is enabled
158
	// and user is not admin
159
//	if(HOME_FOLDERS AND ($_SESSION['GROUP_ID']!='1')) {
160
	if(HOME_FOLDERS AND (!in_array('1',split(",",$_SESSION['GROUPS_ID'])))) {
161

  
162
		$query_home_folders = $database->query("SELECT home_folder FROM ".TABLE_PREFIX."users WHERE home_folder != '".$admin->get_home_folder()."'");
163
		if($query_home_folders->numRows() > 0) {
164
			while($folder = $query_home_folders->fetchRow()) {
165
				$home_folders[$folder['home_folder']] = $folder['home_folder'];
166
			}
167
		}
168
		function remove_home_subs($directory = '/', $home_folders) {
169
			if($handle = opendir(WB_PATH.MEDIA_DIRECTORY.$directory)) {
170
				// Loop through the dirs to check the home folders sub-dirs are not shown
171
			   while(false !== ($file = readdir($handle))) {
172
					if(substr($file, 0, 1) != '.' AND $file != '.svn' AND $file != 'index.php') {
173
						if(is_dir(WB_PATH.MEDIA_DIRECTORY.$directory.'/'.$file)) {
174
							if($directory != '/') { $file = $directory.'/'.$file; } else { $file = '/'.$file; }
175
							foreach($home_folders AS $hf) {
176
								$hf_length = strlen($hf);
177
								if($hf_length > 0) {
178
									if(substr($file, 0, $hf_length+1) == $hf) {
179
										$home_folders[$file] = $file;
180
									}
181
								}
182
							}
183
							$home_folders = remove_home_subs($file, $home_folders);
184
						}
185
					}
186
				}
187
			}
188
			return $home_folders;
189
		}
190
		$home_folders = remove_home_subs('/', $home_folders);
191
	}
192
	return $home_folders;
193
}
194

  
195
// Function to create directories
196
function make_dir($dir_name, $dir_mode = OCTAL_DIR_MODE) {
197
	if(!file_exists($dir_name)) {
198
		$umask = umask(0);
199
		mkdir($dir_name, $dir_mode);
200
		umask($umask);
201
		return true;
202
	} else {
203
		return false;	
204
	}
205
}
206

  
207
// Function to chmod files and directories
208
function change_mode($name) {
209
	if(OPERATING_SYSTEM != 'windows') {
210
		// Only chmod if os is not windows
211
		if(is_dir($name)) {
212
			$mode = OCTAL_DIR_MODE;
213
		} else {
214
			$mode = OCTAL_FILE_MODE;
215
		}
216
		if(file_exists($name)) {
217
			$umask = umask(0);
218
			chmod($name, $mode);
219
			umask($umask);
220
			return true;
221
		} else {
222
			return false;	
223
		}
224
	} else {
225
		return true;
226
	}
227
}
228

  
229
// Function to figure out if a parent exists
230
function is_parent($page_id) {
231
	global $database;
232
	// Get parent
233
	$query = $database->query("SELECT parent FROM ".TABLE_PREFIX."pages WHERE page_id = '$page_id'");
234
	$fetch = $query->fetchRow();
235
	// If parent isnt 0 return its ID
236
	if($fetch['parent'] == '0') {
237
		return false;
238
	} else {
239
		return $fetch['parent'];
240
	}
241
}
242

  
243
// Function to work out level
244
function level_count($page_id) {
245
	global $database;
246
	// Get page parent
247
	$query_page = $database->query("SELECT parent FROM ".TABLE_PREFIX."pages WHERE page_id = '$page_id' LIMIT 1");
248
	$fetch_page = $query_page->fetchRow();
249
	$parent = $fetch_page['parent'];
250
	if($parent > 0) {
251
		// Get the level of the parent
252
		$query_parent = $database->query("SELECT level FROM ".TABLE_PREFIX."pages WHERE page_id = '$parent' LIMIT 1");
253
		$fetch_parent = $query_parent->fetchRow();
254
		$level = $fetch_parent['level'];
255
		return $level+1;
256
	} else {
257
		return 0;
258
	}
259
}
260

  
261
// Function to work out root parent
262
function root_parent($page_id) {
263
	global $database;
264
	// Get page details
265
	$query_page = $database->query("SELECT parent,level FROM ".TABLE_PREFIX."pages WHERE page_id = '$page_id' LIMIT 1");
266
	$fetch_page = $query_page->fetchRow();
267
	$parent = $fetch_page['parent'];
268
	$level = $fetch_page['level'];	
269
	if($level == 1) {
270
		return $parent;
271
	} elseif($parent == 0) {
272
		return $page_id;
273
	} else {
274
		// Figure out what the root parents id is
275
		$parent_ids = array_reverse(get_parent_ids($page_id));
276
		return $parent_ids[0];
277
	}
278
}
279

  
280
// Function to get page title
281
function get_page_title($id) {
282
	global $database;
283
	// Get title
284
	$query = $database->query("SELECT page_title FROM ".TABLE_PREFIX."pages WHERE page_id = '$id'");
285
	$fetch = $query->fetchRow();
286
	// Return title
287
	return $fetch['page_title'];
288
}
289

  
290
// Function to get a pages menu title
291
function get_menu_title($id) {
292
	// Connect to the database
293
	$database = new database();
294
	// Get title
295
	$query = $database->query("SELECT menu_title FROM ".TABLE_PREFIX."pages WHERE page_id = '$id'");
296
	$fetch = $query->fetchRow();
297
	// Return title
298
	return $fetch['menu_title'];
299
}
300

  
301
// Function to get all parent page titles
302
function get_parent_titles($parent_id) {
303
	$titles[] = get_menu_title($parent_id);
304
	if(is_parent($parent_id) != false) {
305
		$parent_titles = get_parent_titles(is_parent($parent_id));
306
		$titles = array_merge($titles, $parent_titles);
307
	}
308
	return $titles;
309
}
310

  
311
// Function to get all parent page id's
312
function get_parent_ids($parent_id) {
313
	$ids[] = $parent_id;
314
	if(is_parent($parent_id) != false) {
315
		$parent_ids = get_parent_ids(is_parent($parent_id));
316
		$ids = array_merge($ids, $parent_ids);
317
	}
318
	return $ids;
319
}
320

  
321
// Function to genereate page trail
322
function get_page_trail($page_id) {
323
	return implode(',', array_reverse(get_parent_ids($page_id)));
324
}
325

  
326
// Function to get all sub pages id's
327
function get_subs($parent, $subs) {
328
	// Connect to the database
329
	$database = new database();
330
	// Get id's
331
	$query = $database->query("SELECT page_id FROM ".TABLE_PREFIX."pages WHERE parent = '$parent'");
332
	if($query->numRows() > 0) {
333
		while($fetch = $query->fetchRow()) {
334
			$subs[] = $fetch['page_id'];
335
			// Get subs of this sub
336
			$subs = get_subs($fetch['page_id'], $subs);
337
		}
338
	}
339
	// Return subs array
340
	return $subs;
341
}
342

  
343
// Function as replacement for php's htmlspecialchars()
344
// Will not mangle HTML-entities
345
function my_htmlspecialchars($string) {
346
	$string = preg_replace('/&(?=[#a-z0-9]+;)/i', '__amp;_', $string);
347
	$string = strtr($string, array('<'=>'&lt;', '>'=>'&gt;', '&'=>'&amp;', '"'=>'&quot;', '\''=>'&#39;'));
348
	$string = preg_replace('/__amp;_(?=[#a-z0-9]+;)/i', '&', $string);
349
	return($string);
350
}
351

  
352
// Convert a string from mixed html-entities/umlauts to pure $charset_out-umlauts
353
// Will replace all numeric and named entities except &gt; &lt; &apos; &quot; &#039; &nbsp;
354
// In case of error the returned string is unchanged, and a message is emitted.
355
function entities_to_umlauts($string, $charset_out=DEFAULT_CHARSET) {
356
	require_once(WB_PATH.'/framework/functions-utf8.php');
357
	return entities_to_umlauts2($string, $charset_out);
358
}
359

  
360
// Will convert a string in $charset_in encoding to a pure ASCII string with HTML-entities.
361
// In case of error the returned string is unchanged, and a message is emitted.
362
function umlauts_to_entities($string, $charset_in=DEFAULT_CHARSET) {
363
	require_once(WB_PATH.'/framework/functions-utf8.php');
364
	return umlauts_to_entities2($string, $charset_in);
365
}
366

  
367
// Function to convert a page title to a page filename
368
function page_filename($string) {
369
	require_once(WB_PATH.'/framework/functions-utf8.php');
370
	$string = entities_to_7bit($string);
371
	// Now remove all bad characters
372
	$bad = array(
373
	'\'', /* /  */ '"', /* " */	'<', /* < */	'>', /* > */
374
	'{', /* { */	'}', /* } */	'[', /* [ */	']', /* ] */	'`', /* ` */
375
	'!', /* ! */	'@', /* @ */	'#', /* # */	'$', /* $ */	'%', /* % */
376
	'^', /* ^ */	'&', /* & */	'*', /* * */	'(', /* ( */	')', /* ) */
377
	'=', /* = */	'+', /* + */	'|', /* | */	'/', /* / */	'\\', /* \ */
378
	';', /* ; */	':', /* : */	',', /* , */	'?' /* ? */
379
	);
380
	$string = str_replace($bad, '', $string);
381
	// replace multiple dots in filename to single dot and (multiple) dots at the end of the filename to nothing
382
	$string = preg_replace(array('/\.+/', '/\.+$/'), array('.', ''), $string);
383
	// Now replace spaces with page spcacer
384
	$string = trim($string);
385
	$string = preg_replace('/(\s)+/', PAGE_SPACER, $string);
386
	// Now convert to lower-case
387
	$string = strtolower($string);
388
	// If there are any weird language characters, this will protect us against possible problems they could cause
389
	$string = str_replace(array('%2F', '%'), array('/', ''), urlencode($string));
390
	// Finally, return the cleaned string
391
	return $string;
392
}
393

  
394
// Function to convert a desired media filename to a clean filename
395
function media_filename($string) {
396
	require_once(WB_PATH.'/framework/functions-utf8.php');
397
	$string = entities_to_7bit($string);
398
	// Now remove all bad characters
399
	$bad = array(
400
	'\'', // '
401
	'"', // "
402
	'`', // `
403
	'!', // !
404
	'@', // @
405
	'#', // #
406
	'$', // $
407
	'%', // %
408
	'^', // ^
409
	'&', // &
410
	'*', // *
411
	'=', // =
412
	'+', // +
413
	'|', // |
414
	'/', // /
415
	'\\', // \
416
	';', // ;
417
	':', // :
418
	',', // ,
419
	'?' // ?
420
	);
421
	$string = str_replace($bad, '', $string);
422
	// replace multiple dots in filename to single dot and (multiple) dots at the end of the filename to nothing
423
	$string = preg_replace(array('/\.+/', '/\.+$/'), array('.', ''), $string);
424
	// Clean any page spacers at the end of string
425
	$string = trim($string);
426
	// Finally, return the cleaned string
427
	return $string;
428
}
429

  
430
// Function to work out a page link
431
if(!function_exists('page_link')) {
432
	function page_link($link) {
433
		global $admin;
434
		return $admin->page_link($link);
435
	}
436
}
437

  
438
// Create a new file in the pages directory
439
function create_access_file($filename,$page_id,$level) {
440
	global $admin, $MESSAGE;
441
	if(!is_writable(WB_PATH.PAGES_DIRECTORY.'/')) {
442
		$admin->print_error($MESSAGE['PAGES']['CANNOT_CREATE_ACCESS_FILE']);
443
	} else {
444
		// First make sure parent folder exists
445
		$parent_folders = explode('/',str_replace(WB_PATH.PAGES_DIRECTORY, '', dirname($filename)));
446
		$parents = '';
447
		foreach($parent_folders AS $parent_folder) {
448
			if($parent_folder != '/' AND $parent_folder != '') {
449
				$parents .= '/'.$parent_folder;
450
				if(!file_exists(WB_PATH.PAGES_DIRECTORY.$parents)) {
451
					make_dir(WB_PATH.PAGES_DIRECTORY.$parents);
452
				}
453
			}	
454
		}
455
		// The depth of the page directory in the directory hierarchy
456
		// '/pages' is at depth 1
457
		$pages_dir_depth=count(explode('/',PAGES_DIRECTORY))-1;
458
		// Work-out how many ../'s we need to get to the index page
459
		$index_location = '';
460
		for($i = 0; $i < $level + $pages_dir_depth; $i++) {
461
			$index_location .= '../';
462
		}
463
		$content = ''.
464
'<?php
465
$page_id = '.$page_id.';
466
require("'.$index_location.'config.php");
467
require(WB_PATH."/index.php");
468
?>';
469
		$handle = fopen($filename, 'w');
470
		fwrite($handle, $content);
471
		fclose($handle);
472
		// Chmod the file
473
		change_mode($filename);
474
	}
475
}
476

  
477
// Function for working out a file mime type (if the in-built PHP one is not enabled)
478
if(!function_exists('mime_content_type')) {
479
    function mime_content_type($filename) {
480

  
481
    $mime_types = array(
482
            'txt'	=> 'text/plain',
483
            'htm'	=> 'text/html',
484
            'html'	=> 'text/html',
485
            'php'	=> 'text/html',
486
            'css'	=> 'text/css',
487
            'js'	=> 'application/javascript',
488
            'json'	=> 'application/json',
489
            'xml'	=> 'application/xml',
490
            'swf'	=> 'application/x-shockwave-flash',
491
            'flv'	=> 'video/x-flv',
492

  
493
            // images
494
            'png'	=> 'image/png',
495
            'jpe'	=> 'image/jpeg',
496
            'jpeg'	=> 'image/jpeg',
497
            'jpg'	=> 'image/jpeg',
498
            'gif'	=> 'image/gif',
499
            'bmp'	=> 'image/bmp',
500
            'ico'	=> 'image/vnd.microsoft.icon',
501
            'tiff'	=> 'image/tiff',
502
            'tif'	=> 'image/tiff',
503
            'svg'	=> 'image/svg+xml',
504
            'svgz'	=> 'image/svg+xml',
505

  
506
            // archives
507
            'zip'	=> 'application/zip',
508
            'rar'	=> 'application/x-rar-compressed',
509
            'exe'	=> 'application/x-msdownload',
510
            'msi'	=> 'application/x-msdownload',
511
            'cab'	=> 'application/vnd.ms-cab-compressed',
512

  
513
            // audio/video
514
            'mp3'	=> 'audio/mpeg',
515
            'mp4'	=> 'audio/mpeg',
516
            'qt'	=> 'video/quicktime',
517
            'mov'	=> 'video/quicktime',
518

  
519
            // adobe
520
            'pdf'	=> 'application/pdf',
521
            'psd'	=> 'image/vnd.adobe.photoshop',
522
            'ai'	=> 'application/postscript',
523
            'eps'	=> 'application/postscript',
524
            'ps'	=> 'application/postscript',
525

  
526
            // ms office
527
            'doc'	=> 'application/msword',
528
            'rtf'	=> 'application/rtf',
529
            'xls'	=> 'application/vnd.ms-excel',
530
            'ppt'	=> 'application/vnd.ms-powerpoint',
531

  
532
            // open office
533
            'odt'	=> 'application/vnd.oasis.opendocument.text',
534
            'ods'	=> 'application/vnd.oasis.opendocument.spreadsheet',
535
        );
536

  
537
        $temp = explode('.',$filename);
538
        $ext = strtolower(array_pop($temp));
539

  
540
        if (array_key_exists($ext, $mime_types)) {
541
            return $mime_types[$ext];
542
        }
543
        elseif (function_exists('finfo_open')) {
544
            $finfo = finfo_open(FILEINFO_MIME);
545
            $mimetype = finfo_file($finfo, $filename);
546
            finfo_close($finfo);
547
            return $mimetype;
548
        }
549
        else {
550
            return 'application/octet-stream';
551
        }
552
    }
553
}
554

  
555
// Generate a thumbnail from an image
556
function make_thumb($source, $destination, $size) {
557
	// Check if GD is installed
558
	if(extension_loaded('gd') AND function_exists('imageCreateFromJpeg')) {
559
		// First figure out the size of the thumbnail
560
		list($original_x, $original_y) = getimagesize($source);
561
		if ($original_x > $original_y) {
562
			$thumb_w = $size;
563
			$thumb_h = $original_y*($size/$original_x);
564
		}
565
		if ($original_x < $original_y) {
566
			$thumb_w = $original_x*($size/$original_y);
567
			$thumb_h = $size;
568
		}
569
		if ($original_x == $original_y) {
570
			$thumb_w = $size;
571
			$thumb_h = $size;	
572
		}
573
		// Now make the thumbnail
574
		$source = imageCreateFromJpeg($source);
575
		$dst_img = ImageCreateTrueColor($thumb_w, $thumb_h);
576
		imagecopyresampled($dst_img,$source,0,0,0,0,$thumb_w,$thumb_h,$original_x,$original_y);
577
		imagejpeg($dst_img, $destination);
578
		// Clear memory
579
		imagedestroy($dst_img);
580
	   imagedestroy($source);
581
	   // Return true
582
	   return true;
583
   } else {
584
   	return false;
585
   }
586
}
587

  
588
// Function to work-out a single part of an octal permission value
589
function extract_permission($octal_value, $who, $action) {
590
	// Make sure the octal value is 4 chars long
591
	if(strlen($octal_value) == 0) {
592
		$octal_value = '0000';
593
	} elseif(strlen($octal_value) == 1) {
594
		$octal_value = '000'.$octal_value;
595
	} elseif(strlen($octal_value) == 2) {
596
		$octal_value = '00'.$octal_value;
597
	} elseif(strlen($octal_value) == 3) {
598
		$octal_value = '0'.$octal_value;
599
	} elseif(strlen($octal_value) == 4) {
600
		$octal_value = ''.$octal_value;
601
	} else {
602
		$octal_value = '0000';
603
	}
604
	// Work-out what position of the octal value to look at
605
	switch($who) {
606
	case 'u':
607
		$position = '1';
608
		break;
609
	case 'user':
610
		$position = '1';
611
		break;
612
	case 'g':
613
		$position = '2';
614
		break;
615
	case 'group':
616
		$position = '2';
617
		break;
618
	case 'o':
619
		$position = '3';
620
		break;
621
	case 'others':
622
		$position = '3';
623
		break;
624
	}
625
	// Work-out how long the octal value is and ajust acording
626
	if(strlen($octal_value) == 4) {
627
		$position = $position+1;
628
	} elseif(strlen($octal_value) != 3) {
629
		exit('Error');
630
	}
631
	// Now work-out what action the script is trying to look-up
632
	switch($action) {
633
	case 'r':
634
		$action = 'r';
635
		break;
636
	case 'read':
637
		$action = 'r';
638
		break;
639
	case 'w':
640
		$action = 'w';
641
		break;
642
	case 'write':
643
		$action = 'w';
644
		break;
645
	case 'e':
646
		$action = 'e';
647
		break;
648
	case 'execute':
649
		$action = 'e';
650
		break;
651
	}
652
	// Get the value for "who"
653
	$value = substr($octal_value, $position-1, 1);
654
	// Now work-out the details of the value
655
	switch($value) {
656
	case '0':
657
		$r = false;
658
		$w = false;
659
		$e = false;
660
		break;
661
	case '1':
662
		$r = false;
663
		$w = false;
664
		$e = true;
665
		break;
666
	case '2':
667
		$r = false;
668
		$w = true;
669
		$e = false;
670
		break;
671
	case '3':
672
		$r = false;
673
		$w = true;
674
		$e = true;
675
		break;
676
	case '4':
677
		$r = true;
678
		$w = false;
679
		$e = false;
680
		break;
681
	case '5':
682
		$r = true;
683
		$w = false;
684
		$e = true;
685
		break;
686
	case '6':
687
		$r = true;
688
		$w = true;
689
		$e = false;
690
		break;
691
	case '7':
692
		$r = true;
693
		$w = true;
694
		$e = true;
695
		break;
696
	default:
697
		$r = false;
698
		$w = false;
699
		$e = false;
700
	}
701
	// And finally, return either true or false
702
	return $$action;
703
}
704

  
705
// Function to delete a page
706
function delete_page($page_id) {
707
	
708
	global $admin, $database, $MESSAGE;
709
	
710
	// Find out more about the page
711
	$database = new database();
712
	$query = "SELECT page_id,menu_title,page_title,level,link,parent,modified_by,modified_when FROM ".TABLE_PREFIX."pages WHERE page_id = '$page_id'";
713
	$results = $database->query($query);
714
	if($database->is_error()) {
715
		$admin->print_error($database->get_error());
716
	}
717
	if($results->numRows() == 0) {
718
		$admin->print_error($MESSAGE['PAGES']['NOT_FOUND']);
719
	}
720
	$results_array = $results->fetchRow();
721
	$parent = $results_array['parent'];
722
	$level = $results_array['level'];
723
	$link = $results_array['link'];
724
	$page_title = ($results_array['page_title']);
725
	$menu_title = ($results_array['menu_title']);
726
	
727
	// Get the sections that belong to the page
728
	$query_sections = $database->query("SELECT section_id,module FROM ".TABLE_PREFIX."sections WHERE page_id = '$page_id'");
729
	if($query_sections->numRows() > 0) {
730
		while($section = $query_sections->fetchRow()) {
731
			// Set section id
732
			$section_id = $section['section_id'];
733
			// Include the modules delete file if it exists
734
			if(file_exists(WB_PATH.'/modules/'.$section['module'].'/delete.php')) {
735
				require(WB_PATH.'/modules/'.$section['module'].'/delete.php');
736
			}
737
		}
738
	}
739
	
740
	// Update the pages table
741
	$query = "DELETE FROM ".TABLE_PREFIX."pages WHERE page_id = '$page_id'";
742
	$database->query($query);
743
	if($database->is_error()) {
744
		$admin->print_error($database->get_error());
745
	}
746
	
747
	// Update the sections table
748
	$query = "DELETE FROM ".TABLE_PREFIX."sections WHERE page_id = '$page_id'";
749
	$database->query($query);
750
	if($database->is_error()) {
751
		$admin->print_error($database->get_error());
752
	}
753
	
754
	// Include the ordering class or clean-up ordering
755
	require_once(WB_PATH.'/framework/class.order.php');
756
	$order = new order(TABLE_PREFIX.'pages', 'position', 'page_id', 'parent');
757
	$order->clean($parent);
758
	
759
	// Unlink the page access file and directory
760
	$directory = WB_PATH.PAGES_DIRECTORY.$link;
761
	$filename = $directory.PAGE_EXTENSION;
762
	$directory .= '/';
763
	if(file_exists($filename)) {
764
		if(!is_writable(WB_PATH.PAGES_DIRECTORY.'/')) {
765
			$admin->print_error($MESSAGE['PAGES']['CANNOT_DELETE_ACCESS_FILE']);
766
		} else {
767
			unlink($filename);
768
			if(file_exists($directory) && rtrim($directory,'/')!=WB_PATH.PAGES_DIRECTORY && substr($link, 0, 1) != '.') {
769
				rm_full_dir($directory);
770
			}
771
		}
772
	}
773
	
774
}
775

  
776
// Load module into DB
777
function load_module($directory, $install = false) {
778
	global $database,$admin,$MESSAGE;
779
	if(file_exists($directory.'/info.php')) {
780
		require($directory.'/info.php');
781
		if(isset($module_name)) {
782
			if(!isset($module_license)) { $module_license = 'GNU General Public License'; }
783
			if(!isset($module_platform) AND isset($module_designed_for)) { $module_platform = $module_designed_for; }
784
			if(!isset($module_function) AND isset($module_type)) { $module_function = $module_type; }
785
			$module_function = strtolower($module_function);
786
			// Check that it doesn't already exist
787
			$result = $database->query("SELECT addon_id FROM ".TABLE_PREFIX."addons WHERE directory = '".$module_directory."' LIMIT 0,1");
788
			if($result->numRows() == 0) {
789
				// Load into DB
790
				$query = "INSERT INTO ".TABLE_PREFIX."addons ".
791
				"(directory,name,description,type,function,version,platform,author,license) ".
792
				"VALUES ('$module_directory','$module_name','".addslashes($module_description)."','module',".
793
				"'$module_function','$module_version','$module_platform','$module_author','$module_license')";
794
				$database->query($query);
795
				// Run installation script
796
				if($install == true) {
797
					if(file_exists($directory.'/install.php')) {
798
						require($directory.'/install.php');
799
					}
800
				}
801
			}
802
		}
803
	}
804
}
805

  
806
// Load template into DB
807
function load_template($directory) {
808
	global $database;
809
	if(file_exists($directory.'/info.php')) {
810
		require($directory.'/info.php');
811
		if(isset($template_name)) {
812
			if(!isset($template_license)) { $template_license = 'GNU General Public License'; }
813
			if(!isset($template_platform) AND isset($template_designed_for)) { $template_platform = $template_designed_for; }
814
			if(!isset($template_function)) { $template_function = 'template'; }
815
			// Check that it doesn't already exist
816
			$result = $database->query("SELECT addon_id FROM ".TABLE_PREFIX."addons WHERE directory = '".$template_directory."' LIMIT 0,1");
817
			if($result->numRows() == 0) {
818
				// Load into DB
819
				$query = "INSERT INTO ".TABLE_PREFIX."addons ".
820
				"(directory,name,description,type,function,version,platform,author,license) ".
821
				"VALUES ('$template_directory','$template_name','".addslashes($template_description)."','template',".
822
				"'$template_function','$template_version','$template_platform','$template_author','$template_license')";
823
				$database->query($query);
824
			}
825
		}
826
	}
827
}
828

  
829
// Load language into DB
830
function load_language($file) {
831
	global $database;
832
	if (file_exists($file) && preg_match('#^([A-Z]{2}.php)#', basename($file))) {
833
		require($file);
834
		if(isset($language_name)) {
835
			if(!isset($language_license)) { $language_license = 'GNU General Public License'; }
836
			if(!isset($language_platform) AND isset($language_designed_for)) { $language_platform = $language_designed_for; }
837
			// Check that it doesn't already exist
838
			$result = $database->query("SELECT addon_id FROM ".TABLE_PREFIX."addons WHERE directory = '".$language_code."' LIMIT 0,1");
839
			if($result->numRows() == 0) {
840
				// Load into DB
841
				$query = "INSERT INTO ".TABLE_PREFIX."addons ".
842
				"(directory,name,type,version,platform,author,license) ".
843
				"VALUES ('$language_code','$language_name','language',".
844
				"'$language_version','$language_platform','$language_author','$language_license')";
845
	 		$database->query($query);
846
			}
847
		}
848
	}
849
}
850

  
851
// Upgrade module info in DB, optionally start upgrade script
852
function upgrade_module($directory, $upgrade = false) {
853
	global $database, $admin, $MESSAGE;
854
	$directory = WB_PATH . "/modules/$directory";
855
	if(file_exists($directory.'/info.php')) {
856
		require($directory.'/info.php');
857
		if(isset($module_name)) {
858
			if(!isset($module_license)) { $module_license = 'GNU General Public License'; }
859
			if(!isset($module_platform) AND isset($module_designed_for)) { $module_platform = $module_designed_for; }
860
			if(!isset($module_function) AND isset($module_type)) { $module_function = $module_type; }
861
			$module_function = strtolower($module_function);
862
			// Check that it does already exist
863
			$result = $database->query("SELECT addon_id FROM ".TABLE_PREFIX."addons WHERE directory = '".$module_directory."' LIMIT 0,1");
864
			if($result->numRows() > 0) {
865
				// Update in DB
866
				$query = "UPDATE " . TABLE_PREFIX . "addons SET " .
867
					"version = '$module_version', " .
868
					"description = '" . addslashes($module_description) . "', " .
869
					"platform = '$module_platform', " .
870
					"author = '$module_author', " .
871
					"license = '$module_license'" .
872
					"WHERE directory = '$module_directory'";
873
				$database->query($query);
874
				// Run upgrade script
875
				if($upgrade == true) {
876
					if(file_exists($directory.'/upgrade.php')) {
877
						require($directory.'/upgrade.php');
878
					}
879
				}
880
			}
881
		}
882
	}
883
}
884

  
885
// extracts the content of a string variable from a string (save alternative to including files)
886
if(!function_exists('get_variable_content')) {
887
	function get_variable_content($search, $data, $striptags=true, $convert_to_entities=true) {
888
		$match = '';
889
		// search for $variable followed by 0-n whitespace then by = then by 0-n whitespace
890
		// then either " or ' then 0-n characters then either " or ' followed by 0-n whitespace and ;
891
		// the variable name is returned in $match[1], the content in $match[3]
892
		if (preg_match('/(\$' .$search .')\s*=\s*("|\')(.*)\2\s*;/', $data, $match)) {
893
			if(strip_tags(trim($match[1])) == '$' .$search) {
894
				// variable name matches, return it's value
895
				$match[3] = ($striptags == true) ? strip_tags($match[3]) : $match[3];
896
				$match[3] = ($convert_to_entities == true) ? htmlentities($match[3]) : $match[3];
897
				return $match[3];
898
			}
899
		}
900
		return false;
901
	}
902
}
903

  
904
?>
1
<?php
2
/**
3
 *
4
 * @category        frontend
5
 * @package         framework
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         $Id$
14
 * @filesource		$HeadURL$
15
 * @lastmodified    $Date$
16
 *
17
*/
18

  
19
// Stop this file from being accessed directly
20
if(!defined('WB_URL')) {
21
	header('Location: ../index.php');
22
	exit(0);
23
}
24

  
25
// Define that this file has been loaded
26
define('FUNCTIONS_FILE_LOADED', true);
27

  
28
// Function to remove a non-empty directory
29
function rm_full_dir($directory)
30
{
31
    // If suplied dirname is a file then unlink it
32
    if (is_file($directory)) {
33
        return unlink($directory);
34
    }
35

  
36
    // Empty the folder
37
	if (is_dir($directory))
38
    {
39
        $dir = dir($directory);
40
        while (false !== $entry = $dir->read())
41
        {
42
            // Skip pointers
43
            if ($entry == '.' || $entry == '..') {
44
                continue;
45
            }
46

  
47
            // Deep delete directories
48
            if (is_dir("$directory/$entry")) {
49
                rm_full_dir("$directory/$entry");
50
            }
51
            else
52
            {
53
                unlink("$directory/$entry");
54
            }
55
        }
56

  
57
        // Now delete the folder
58
        $dir->close();
59
        return rmdir($directory);
60
	}
61
}
62

  
63
// Function to open a directory and add to a dir list
64
function directory_list($directory)
65
{
66
	$list = array();
67

  
68
	if (is_dir($directory))
69
    {
70
    	// Open the directory then loop through its contents
71
    	$dir = dir($directory);
72
    	while (false !== $entry = $dir->read()) {
73
    		// Skip pointers
74
    		if(substr($entry, 0, 1) == '.' || $entry == '.svn') {
75
    			continue;
76
    		}
77
    		// Add dir and contents to list
78
    		if (is_dir("$directory/$entry")) {
79
    			$list = array_merge($list, directory_list("$directory/$entry"));
80
    			$list[] = "$directory/$entry";
81
    		}
82
    	}
83

  
84
        $dir->close();
85
    }
86
    // Now return the list
87
	return $list;
88
}
89

  
90
// Function to open a directory and add to a dir list
91
function chmod_directory_contents($directory, $file_mode)
92
{
93
	if (is_dir($directory))
94
    {
95
    	// Set the umask to 0
96
    	$umask = umask(0);
97

  
98
    	// Open the directory then loop through its contents
99
    	$dir = dir($directory);
100
    	while (false !== $entry = $dir->read()) {
101
    		// Skip pointers
102
    		if(substr($entry, 0, 1) == '.' || $entry == '.svn') {
103
    			continue;
104
    		}
105
    		// Chmod the sub-dirs contents
106
    		if(is_dir("$directory/$entry")) {
107
    			chmod_directory_contents("$directory/$entry", $file_mode);
108
    		}
109
    		change_mode($directory.'/'.$entry);
110
    	}
111
        $dir->close();
112
    	// Restore the umask
113
    	umask($umask);
114
    }
115
}
116

  
117
// Function to open a directory and add to a file list
118
function file_list($directory, $skip = array()) {
119
	
120
	$list = array();
121
	$skip_file = false;
122
	
123
	if (is_dir($directory))
124
    {
125
    	// Open the directory then loop through its contents
126
    	$dir = dir($directory);
127
    }
128
	while (false !== $entry = $dir->read())
129
    {
130
		// Skip pointers
131
		if($entry == '.' || $entry == '..')
132
        {
133
			$skip_file = true;
134
		}
135
		// Check if we to skip anything else
136
		if($skip != array()) {
137
			foreach($skip AS $skip_name)
138
            {
139
				if($entry == $skip_name)
140
                {
141
					$skip_file = true;
142
				}
143
			}
144
		}
145
		// Add dir and contents to list
146
		if($skip_file != true AND is_file("$directory/$entry"))
147
        {
148
			$list[] = "$directory/$entry";
149
		}
150
		
151
		// Reset the skip file var
152
		$skip_file = false;
153
	}
154
    $dir->close();
155
	// Now delete the folder
156
	return $list;
157
}
158

  
159
// Function to get a list of home folders not to show
160
function get_home_folders() {
161
	global $database, $admin;
162
	$home_folders = array();
163
	// Only return home folders is this feature is enabled
164
	// and user is not admin
165
//	if(HOME_FOLDERS AND ($_SESSION['GROUP_ID']!='1')) {
166
	if(HOME_FOLDERS AND (!in_array('1',explode(",", $_SESSION['GROUPS_ID'])))) {
167

  
168
		$query_home_folders = $database->query("SELECT home_folder FROM ".TABLE_PREFIX."users WHERE home_folder != '".$admin->get_home_folder()."'");
169
		if($query_home_folders->numRows() > 0) {
170
			while($folder = $query_home_folders->fetchRow()) {
171
				$home_folders[$folder['home_folder']] = $folder['home_folder'];
172
			}
173
		}
174
		function remove_home_subs($directory = '/', $home_folders) {
175
			if($handle = opendir(WB_PATH.MEDIA_DIRECTORY.$directory)) {
176
				// Loop through the dirs to check the home folders sub-dirs are not shown
177
			   while(false !== ($file = readdir($handle))) {
178
					if(substr($file, 0, 1) != '.' AND $file != '.svn' AND $file != 'index.php') {
179
						if(is_dir(WB_PATH.MEDIA_DIRECTORY.$directory.'/'.$file)) {
180
							if($directory != '/') { $file = $directory.'/'.$file; } else { $file = '/'.$file; }
181
							foreach($home_folders AS $hf) {
182
								$hf_length = strlen($hf);
183
								if($hf_length > 0) {
184
									if(substr($file, 0, $hf_length+1) == $hf) {
185
										$home_folders[$file] = $file;
186
									}
187
								}
188
							}
189
							$home_folders = remove_home_subs($file, $home_folders);
190
						}
191
					}
192
				}
193
			}
194
			return $home_folders;
195
		}
196
		$home_folders = remove_home_subs('/', $home_folders);
197
	}
198
	return $home_folders;
199
}
200

  
201
// Function to create directories
202
function make_dir($dir_name, $dir_mode = OCTAL_DIR_MODE)
203
{
204
	if(!is_dir($dir_name))
205
    {
206
		$umask = umask(0);
207
		mkdir($dir_name, $dir_mode);
208
		umask($umask);
209
		return true;
210
	} else {
211
		return false;	
212
	}
213
}
214

  
215
// Function to chmod files and directories
216
function change_mode($name) {
217
	if(OPERATING_SYSTEM != 'windows')
218
    {
219
		// Only chmod if os is not windows
220
		if(is_dir($name))
221
        {
222
			$mode = OCTAL_DIR_MODE;
223
		}
224
        else
225
        {
226
			$mode = OCTAL_FILE_MODE;
227
		}
228

  
229
		if(file_exists($name))
230
        {
231
			$umask = umask(0);
232
			chmod($name, $mode);
233
			umask($umask);
234
			return true;
235
		}
236
        else
237
        {
238
			return false;	
239
		}
240
	}
241
    else
242
    {
243
		return true;
244
	}
245
}
246

  
247
// Function to figure out if a parent exists
248
function is_parent($page_id) {
249
	global $database;
250
	// Get parent
251
	$query = $database->query("SELECT parent FROM ".TABLE_PREFIX."pages WHERE page_id = '$page_id'");
252
	$fetch = $query->fetchRow();
253
	// If parent isnt 0 return its ID
254
	if($fetch['parent'] == '0') {
255
		return false;
256
	} else {
257
		return $fetch['parent'];
258
	}
259
}
260

  
261
// Function to work out level
262
function level_count($page_id) {
263
	global $database;
264
	// Get page parent
265
	$query_page = $database->query("SELECT parent FROM ".TABLE_PREFIX."pages WHERE page_id = '$page_id' LIMIT 1");
266
	$fetch_page = $query_page->fetchRow();
267
	$parent = $fetch_page['parent'];
268
	if($parent > 0) {
269
		// Get the level of the parent
270
		$query_parent = $database->query("SELECT level FROM ".TABLE_PREFIX."pages WHERE page_id = '$parent' LIMIT 1");
271
		$fetch_parent = $query_parent->fetchRow();
272
		$level = $fetch_parent['level'];
273
		return $level+1;
274
	} else {
275
		return 0;
276
	}
277
}
278

  
279
// Function to work out root parent
280
function root_parent($page_id) {
281
	global $database;
282
	// Get page details
283
	$query_page = $database->query("SELECT parent,level FROM ".TABLE_PREFIX."pages WHERE page_id = '$page_id' LIMIT 1");
284
	$fetch_page = $query_page->fetchRow();
285
	$parent = $fetch_page['parent'];
286
	$level = $fetch_page['level'];	
287
	if($level == 1) {
288
		return $parent;
289
	} elseif($parent == 0) {
290
		return $page_id;
291
	} else {
292
		// Figure out what the root parents id is
293
		$parent_ids = array_reverse(get_parent_ids($page_id));
294
		return $parent_ids[0];
295
	}
296
}
297

  
298
// Function to get page title
299
function get_page_title($id) {
300
	global $database;
301
	// Get title
302
	$query = $database->query("SELECT page_title FROM ".TABLE_PREFIX."pages WHERE page_id = '$id'");
303
	$fetch = $query->fetchRow();
304
	// Return title
305
	return $fetch['page_title'];
306
}
307

  
308
// Function to get a pages menu title
309
function get_menu_title($id) {
310
	// Connect to the database
311
	$database = new database();
312
	// Get title
313
	$query = $database->query("SELECT menu_title FROM ".TABLE_PREFIX."pages WHERE page_id = '$id'");
314
	$fetch = $query->fetchRow();
315
	// Return title
316
	return $fetch['menu_title'];
317
}
318

  
319
// Function to get all parent page titles
320
function get_parent_titles($parent_id) {
321
	$titles[] = get_menu_title($parent_id);
322
	if(is_parent($parent_id) != false) {
323
		$parent_titles = get_parent_titles(is_parent($parent_id));
324
		$titles = array_merge($titles, $parent_titles);
325
	}
326
	return $titles;
327
}
328

  
329
// Function to get all parent page id's
330
function get_parent_ids($parent_id) {
331
	$ids[] = $parent_id;
332
	if(is_parent($parent_id) != false) {
333
		$parent_ids = get_parent_ids(is_parent($parent_id));
334
		$ids = array_merge($ids, $parent_ids);
335
	}
336
	return $ids;
337
}
338

  
339
// Function to genereate page trail
340
function get_page_trail($page_id) {
341
	return implode(',', array_reverse(get_parent_ids($page_id)));
342
}
343

  
344
// Function to get all sub pages id's
345
function get_subs($parent, $subs) {
346
	// Connect to the database
347
	$database = new database();
348
	// Get id's
349
	$query = $database->query("SELECT page_id FROM ".TABLE_PREFIX."pages WHERE parent = '$parent'");
350
	if($query->numRows() > 0) {
351
		while($fetch = $query->fetchRow()) {
352
			$subs[] = $fetch['page_id'];
353
			// Get subs of this sub
354
			$subs = get_subs($fetch['page_id'], $subs);
355
		}
356
	}
357
	// Return subs array
358
	return $subs;
359
}
360

  
361
// Function as replacement for php's htmlspecialchars()
362
// Will not mangle HTML-entities
363
function my_htmlspecialchars($string) {
364
	$string = preg_replace('/&(?=[#a-z0-9]+;)/i', '__amp;_', $string);
365
	$string = strtr($string, array('<'=>'&lt;', '>'=>'&gt;', '&'=>'&amp;', '"'=>'&quot;', '\''=>'&#39;'));
366
	$string = preg_replace('/__amp;_(?=[#a-z0-9]+;)/i', '&', $string);
367
	return($string);
368
}
369

  
370
// Convert a string from mixed html-entities/umlauts to pure $charset_out-umlauts
371
// Will replace all numeric and named entities except &gt; &lt; &apos; &quot; &#039; &nbsp;
372
// In case of error the returned string is unchanged, and a message is emitted.
373
function entities_to_umlauts($string, $charset_out=DEFAULT_CHARSET) {
374
	require_once(WB_PATH.'/framework/functions-utf8.php');
375
	return entities_to_umlauts2($string, $charset_out);
376
}
377

  
378
// Will convert a string in $charset_in encoding to a pure ASCII string with HTML-entities.
379
// In case of error the returned string is unchanged, and a message is emitted.
380
function umlauts_to_entities($string, $charset_in=DEFAULT_CHARSET) {
381
	require_once(WB_PATH.'/framework/functions-utf8.php');
382
	return umlauts_to_entities2($string, $charset_in);
383
}
384

  
385
// Function to convert a page title to a page filename
386
function page_filename($string) {
387
	require_once(WB_PATH.'/framework/functions-utf8.php');
388
	$string = entities_to_7bit($string);
389
	// Now remove all bad characters
390
	$bad = array(
391
	'\'', /* /  */ '"', /* " */	'<', /* < */	'>', /* > */
392
	'{', /* { */	'}', /* } */	'[', /* [ */	']', /* ] */	'`', /* ` */
393
	'!', /* ! */	'@', /* @ */	'#', /* # */	'$', /* $ */	'%', /* % */
394
	'^', /* ^ */	'&', /* & */	'*', /* * */	'(', /* ( */	')', /* ) */
395
	'=', /* = */	'+', /* + */	'|', /* | */	'/', /* / */	'\\', /* \ */
396
	';', /* ; */	':', /* : */	',', /* , */	'?' /* ? */
397
	);
398
	$string = str_replace($bad, '', $string);
399
	// replace multiple dots in filename to single dot and (multiple) dots at the end of the filename to nothing
400
	$string = preg_replace(array('/\.+/', '/\.+$/'), array('.', ''), $string);
401
	// Now replace spaces with page spcacer
402
	$string = trim($string);
403
	$string = preg_replace('/(\s)+/', PAGE_SPACER, $string);
404
	// Now convert to lower-case
405
	$string = strtolower($string);
406
	// If there are any weird language characters, this will protect us against possible problems they could cause
407
	$string = str_replace(array('%2F', '%'), array('/', ''), urlencode($string));
408
	// Finally, return the cleaned string
409
	return $string;
410
}
411

  
412
// Function to convert a desired media filename to a clean filename
413
function media_filename($string) {
414
	require_once(WB_PATH.'/framework/functions-utf8.php');
415
	$string = entities_to_7bit($string);
416
	// Now remove all bad characters
417
	$bad = array(
418
	'\'', // '
419
	'"', // "
420
	'`', // `
421
	'!', // !
422
	'@', // @
423
	'#', // #
424
	'$', // $
425
	'%', // %
426
	'^', // ^
427
	'&', // &
428
	'*', // *
429
	'=', // =
430
	'+', // +
431
	'|', // |
432
	'/', // /
433
	'\\', // \
434
	';', // ;
435
	':', // :
436
	',', // ,
437
	'?' // ?
438
	);
439
	$string = str_replace($bad, '', $string);
440
	// replace multiple dots in filename to single dot and (multiple) dots at the end of the filename to nothing
441
	$string = preg_replace(array('/\.+/', '/\.+$/'), array('.', ''), $string);
442
	// Clean any page spacers at the end of string
443
	$string = trim($string);
444
	// Finally, return the cleaned string
445
	return $string;
446
}
447

  
448
// Function to work out a page link
449
if(!function_exists('page_link')) {
450
	function page_link($link) {
451
		global $admin;
452
		return $admin->page_link($link);
453
	}
454
}
455

  
456
// Create a new file in the pages directory
457
function create_access_file($filename,$page_id,$level) {
458
	global $admin, $MESSAGE;
459
	if(!is_writable(WB_PATH.PAGES_DIRECTORY.'/')) {
460
		$admin->print_error($MESSAGE['PAGES']['CANNOT_CREATE_ACCESS_FILE']);
461
	} else {
462
		// First make sure parent folder exists
463
		$parent_folders = explode('/',str_replace(WB_PATH.PAGES_DIRECTORY, '', dirname($filename)));
464
		$parents = '';
465
		foreach($parent_folders AS $parent_folder) {
466
			if($parent_folder != '/' AND $parent_folder != '') {
467
				$parents .= '/'.$parent_folder;
468
				if(!file_exists(WB_PATH.PAGES_DIRECTORY.$parents)) {
469
					make_dir(WB_PATH.PAGES_DIRECTORY.$parents);
470
				}
471
			}	
472
		}
473
		// The depth of the page directory in the directory hierarchy
474
		// '/pages' is at depth 1
475
		$pages_dir_depth=count(explode('/',PAGES_DIRECTORY))-1;
476
		// Work-out how many ../'s we need to get to the index page
477
		$index_location = '';
478
		for($i = 0; $i < $level + $pages_dir_depth; $i++) {
479
			$index_location .= '../';
480
		}
481
		$content = ''.
482
'<?php
483
$page_id = '.$page_id.';
484
require("'.$index_location.'config.php");
485
require(WB_PATH."/index.php");
486
?>';
487
		$handle = fopen($filename, 'w');
488
		fwrite($handle, $content);
489
		fclose($handle);
490
		// Chmod the file
491
		change_mode($filename);
492
	}
493
}
494

  
495
// Function for working out a file mime type (if the in-built PHP one is not enabled)
496
if(!function_exists('mime_content_type')) {
497
    function mime_content_type($filename) {
498

  
499
    $mime_types = array(
500
            'txt'	=> 'text/plain',
501
            'htm'	=> 'text/html',
502
            'html'	=> 'text/html',
503
            'php'	=> 'text/html',
504
            'css'	=> 'text/css',
505
            'js'	=> 'application/javascript',
506
            'json'	=> 'application/json',
507
            'xml'	=> 'application/xml',
508
            'swf'	=> 'application/x-shockwave-flash',
509
            'flv'	=> 'video/x-flv',
510

  
511
            // images
512
            'png'	=> 'image/png',
513
            'jpe'	=> 'image/jpeg',
514
            'jpeg'	=> 'image/jpeg',
515
            'jpg'	=> 'image/jpeg',
516
            'gif'	=> 'image/gif',
517
            'bmp'	=> 'image/bmp',
518
            'ico'	=> 'image/vnd.microsoft.icon',
519
            'tiff'	=> 'image/tiff',
520
            'tif'	=> 'image/tiff',
521
            'svg'	=> 'image/svg+xml',
522
            'svgz'	=> 'image/svg+xml',
523

  
524
            // archives
525
            'zip'	=> 'application/zip',
526
            'rar'	=> 'application/x-rar-compressed',
527
            'exe'	=> 'application/x-msdownload',
528
            'msi'	=> 'application/x-msdownload',
529
            'cab'	=> 'application/vnd.ms-cab-compressed',
530

  
531
            // audio/video
532
            'mp3'	=> 'audio/mpeg',
533
            'mp4'	=> 'audio/mpeg',
534
            'qt'	=> 'video/quicktime',
535
            'mov'	=> 'video/quicktime',
536

  
537
            // adobe
538
            'pdf'	=> 'application/pdf',
539
            'psd'	=> 'image/vnd.adobe.photoshop',
540
            'ai'	=> 'application/postscript',
541
            'eps'	=> 'application/postscript',
542
            'ps'	=> 'application/postscript',
543

  
544
            // ms office
545
            'doc'	=> 'application/msword',
546
            'rtf'	=> 'application/rtf',
547
            'xls'	=> 'application/vnd.ms-excel',
548
            'ppt'	=> 'application/vnd.ms-powerpoint',
549

  
550
            // open office
551
            'odt'	=> 'application/vnd.oasis.opendocument.text',
552
            'ods'	=> 'application/vnd.oasis.opendocument.spreadsheet',
553
        );
554

  
555
        $temp = explode('.',$filename);
556
        $ext = strtolower(array_pop($temp));
557

  
558
        if (array_key_exists($ext, $mime_types)) {
559
            return $mime_types[$ext];
560
        }
561
        elseif (function_exists('finfo_open')) {
562
            $finfo = finfo_open(FILEINFO_MIME);
563
            $mimetype = finfo_file($finfo, $filename);
564
            finfo_close($finfo);
565
            return $mimetype;
566
        }
567
        else {
568
            return 'application/octet-stream';
569
        }
570
    }
571
}
572

  
573
// Generate a thumbnail from an image
574
function make_thumb($source, $destination, $size) {
575
	// Check if GD is installed
576
	if(extension_loaded('gd') AND function_exists('imageCreateFromJpeg')) {
577
		// First figure out the size of the thumbnail
578
		list($original_x, $original_y) = getimagesize($source);
579
		if ($original_x > $original_y) {
580
			$thumb_w = $size;
581
			$thumb_h = $original_y*($size/$original_x);
582
		}
583
		if ($original_x < $original_y) {
584
			$thumb_w = $original_x*($size/$original_y);
585
			$thumb_h = $size;
586
		}
587
		if ($original_x == $original_y) {
588
			$thumb_w = $size;
589
			$thumb_h = $size;	
590
		}
591
		// Now make the thumbnail
592
		$source = imageCreateFromJpeg($source);
... This diff was truncated because it exceeds the maximum size that can be displayed.

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