Context Navigation

source: trunk/admin/include/themes.class.php @ 6951

Last change on this file since 6951 was 6550, checked in by nikrou, 14 years ago
Bug 1733 fixed : single quotes in queries
File size: 20.5 KB

Line
1	<?php
2	// +-----------------------------------------------------------------------+
3	// \| Piwigo - a PHP based picture gallery \|
4	// +-----------------------------------------------------------------------+
5	// \| Copyright(C) 2008-2010 Piwigo Team http://piwigo.org \|
6	// \| Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net \|
7	// \| Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick \|
8	// +-----------------------------------------------------------------------+
9	// \| This program is free software; you can redistribute it and/or modify \|
10	// \| it under the terms of the GNU General Public License as published by \|
11	// \| the Free Software Foundation \|
12	// \| \|
13	// \| This program is distributed in the hope that it will be useful, but \|
14	// \| WITHOUT ANY WARRANTY; without even the implied warranty of \|
15	// \| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU \|
16	// \| General Public License for more details. \|
17	// \| \|
18	// \| You should have received a copy of the GNU General Public License \|
19	// \| along with this program; if not, write to the Free Software \|
20	// \| Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, \|
21	// \| USA. \|
22	// +-----------------------------------------------------------------------+
23
24	class themes
25	{
26	var $fs_themes = array();
27	var $db_themes_by_id = array();
28	var $server_themes = array();
29
30	/**
31	* Initialize $fs_themes and $db_themes_by_id
32	*/
33	function themes()
34	{
35	$this->get_fs_themes();
36
37	foreach ($this->get_db_themes() as $db_theme)
38	{
39	$this->db_themes_by_id[$db_theme['id']] = $db_theme;
40	}
41	}
42
43	/**
44	* Set tabsheet for themes pages.
45	* @param string selected page.
46	*/
47	function set_tabsheet($selected)
48	{
49	include_once(PHPWG_ROOT_PATH.'admin/include/tabsheet.class.php');
50
51	$link = get_root_url().'admin.php?page=';
52
53	$tabsheet = new tabsheet();
54	$tabsheet->add('themes_installed', l10n('Installed Themes'), $link.'themes_installed');
55	$tabsheet->add('themes_new', l10n('Add New Theme'), $link.'themes_new');
56	$tabsheet->select($selected);
57	$tabsheet->assign();
58	}
59
60	/**
61	* Perform requested actions
62	* @param string - action
63	* @param string - theme id
64	* @param array - errors
65	*/
66	function perform_action($action, $theme_id)
67	{
68	if (isset($this->db_themes_by_id[$theme_id]))
69	{
70	$crt_db_theme = $this->db_themes_by_id[$theme_id];
71	}
72
73	$file_to_include = PHPWG_THEMES_PATH.'/'.$theme_id.'/admin/maintain.inc.php';
74
75	$errors = array();
76
77	switch ($action)
78	{
79	case 'activate':
80	if (isset($crt_db_theme))
81	{
82	// the theme is already active
83	break;
84	}
85
86	if ('default' == $theme_id)
87	{
88	// you can't activate the "default" theme
89	break;
90	}
91
92	$missing_parent = $this->missing_parent_theme($theme_id);
93	if (isset($missing_parent))
94	{
95	array_push(
96	$errors,
97	sprintf(
98	l10n('Impossible to activate this theme, the parent theme is missing: %s'),
99	$missing_parent
100	)
101	);
102
103	break;
104	}
105
106	if (file_exists($file_to_include))
107	{
108	include($file_to_include);
109	if (function_exists('theme_activate'))
110	{
111	theme_activate($theme_id, $this->fs_themes[$theme_id]['version'], $errors);
112	}
113	}
114
115	if (empty($errors))
116	{
117	$query = '
118	INSERT INTO '.THEMES_TABLE.'
119	(id, version, name)
120	VALUES(\''.$theme_id.'\',
121	\''.$this->fs_themes[$theme_id]['version'].'\',
122	\''.$this->fs_themes[$theme_id]['name'].'\')
123	;';
124	pwg_query($query);
125	}
126	break;
127
128	case 'deactivate':
129	if (!isset($crt_db_theme))
130	{
131	// the theme is already inactive
132	break;
133	}
134
135	// you can't deactivate the last theme
136	if (count($this->db_themes_by_id) <= 1)
137	{
138	array_push(
139	$errors,
140	l10n('Impossible to deactivate this theme, you need at least one theme.')
141	);
142	break;
143	}
144
145	if ($theme_id == get_default_theme())
146	{
147	// find a random theme to replace
148	$new_theme = null;
149
150	$query = '
151	SELECT
152	id
153	FROM '.THEMES_TABLE.'
154	WHERE id != \''.$theme_id.'\'
155	;';
156	$result = pwg_query($query);
157	if (pwg_db_num_rows($result) == 0)
158	{
159	$new_theme = 'default';
160	}
161	else
162	{
163	list($new_theme) = pwg_db_fetch_row($result);
164	}
165
166	$this->set_default_theme($new_theme);
167	}
168
169	if (file_exists($file_to_include))
170	{
171	include($file_to_include);
172	if (function_exists('theme_deactivate'))
173	{
174	theme_deactivate($theme_id);
175	}
176	}
177
178	$query = '
179	DELETE
180	FROM '.THEMES_TABLE.'
181	WHERE id= \''.$theme_id.'\'
182	;';
183	pwg_query($query);
184	break;
185
186	case 'delete':
187	if (!empty($crt_db_theme))
188	{
189	array_push($errors, 'CANNOT DELETE - THEME IS INSTALLED');
190	break;
191	}
192	if (!isset($this->fs_themes[$theme_id]))
193	{
194	// nothing to do here
195	break;
196	}
197
198	$children = $this->get_children_themes($theme_id);
199	if (count($children) > 0)
200	{
201	array_push(
202	$errors,
203	sprintf(
204	l10n('Impossible to delete this theme. Other themes depends on it: %s'),
205	implode(', ', $children)
206	)
207	);
208	break;
209	}
210
211	if (!$this->deltree(PHPWG_THEMES_PATH.$theme_id))
212	{
213	$this->send_to_trash(PHPWG_THEMES_PATH.$theme_id);
214	}
215	break;
216
217	case 'set_default':
218	// first we need to know which users are using the current default theme
219	$this->set_default_theme($theme_id);
220	break;
221	}
222	return $errors;
223	}
224
225	function missing_parent_theme($theme_id)
226	{
227	if (!isset($this->fs_themes[$theme_id]['parent']))
228	{
229	return null;
230	}
231
232	$parent = $this->fs_themes[$theme_id]['parent'];
233
234	if ('default' == $parent)
235	{
236	return null;
237	}
238
239	if (!isset($this->fs_themes[$parent]))
240	{
241	return $parent;
242	}
243
244	return $this->missing_parent_theme($parent);
245	}
246
247	function get_children_themes($theme_id)
248	{
249	$children = array();
250
251	foreach ($this->fs_themes as $test_child)
252	{
253	if (isset($test_child['parent']) and $test_child['parent'] == $theme_id)
254	{
255	array_push($children, $test_child['name']);
256	}
257	}
258
259	return $children;
260	}
261
262	function set_default_theme($theme_id)
263	{
264	global $conf;
265
266	// first we need to know which users are using the current default theme
267	$default_theme = get_default_theme();
268
269	$query = '
270	SELECT
271	user_id
272	FROM '.USER_INFOS_TABLE.'
273	WHERE theme = \''.$default_theme.'\'
274	;';
275	$user_ids = array_unique(
276	array_merge(
277	array_from_query($query, 'user_id'),
278	array($conf['guest_id'], $conf['default_user_id'])
279	)
280	);
281
282	// $user_ids can't be empty, at least the default user has the default
283	// theme
284
285	$query = '
286	UPDATE '.USER_INFOS_TABLE.'
287	SET theme = \''.$theme_id.'\'
288	WHERE user_id IN ('.implode(',', $user_ids).')
289	;';
290	pwg_query($query);
291	}
292
293	function get_db_themes($id='')
294	{
295	$query = '
296	SELECT
297	*
298	FROM '.THEMES_TABLE;
299
300	$clauses = array();
301	if (!empty($id))
302	{
303	$clauses[] = 'id = \''.$id.'\'';
304	}
305	if (count($clauses) > 0)
306	{
307	$query .= '
308	WHERE '. implode(' AND ', $clauses);
309	}
310
311	$result = pwg_query($query);
312	$themes = array();
313	while ($row = pwg_db_fetch_assoc($result))
314	{
315	array_push($themes, $row);
316	}
317	return $themes;
318	}
319
320
321	/**
322	* Get themes defined in the theme directory
323	*/
324	function get_fs_themes()
325	{
326	$dir = opendir(PHPWG_THEMES_PATH);
327
328	while ($file = readdir($dir))
329	{
330	if ($file!='.' and $file!='..')
331	{
332	$path = PHPWG_THEMES_PATH.$file;
333	if (is_dir($path)
334	and preg_match('/^[a-zA-Z0-9-_]+$/', $file)
335	and file_exists($path.'/themeconf.inc.php')
336	)
337	{
338	$theme = array(
339	'id' => $file,
340	'name' => $file,
341	'version' => '0',
342	'uri' => '',
343	'description' => '',
344	'author' => '',
345	);
346	$theme_data = implode( '', file($path.'/themeconf.inc.php') );
347
348	if ( preg_match("\|Theme Name: (.*)\|", $theme_data, $val) )
349	{
350	$theme['name'] = trim( $val[1] );
351	}
352	if (preg_match("\|Version: (.*)\|", $theme_data, $val))
353	{
354	$theme['version'] = trim($val[1]);
355	}
356	if ( preg_match("\|Theme URI: (.*)\|", $theme_data, $val) )
357	{
358	$theme['uri'] = trim($val[1]);
359	}
360	if ($desc = load_language('description.txt', $path.'/', array('return' => true)))
361	{
362	$theme['description'] = trim($desc);
363	}
364	elseif ( preg_match("\|Description: (.*)\|", $theme_data, $val) )
365	{
366	$theme['description'] = trim($val[1]);
367	}
368	if ( preg_match("\|Author: (.*)\|", $theme_data, $val) )
369	{
370	$theme['author'] = trim($val[1]);
371	}
372	if ( preg_match("\|Author URI: (.*)\|", $theme_data, $val) )
373	{
374	$theme['author uri'] = trim($val[1]);
375	}
376	if (!empty($theme['uri']) and strpos($theme['uri'] , 'extension_view.php?eid='))
377	{
378	list( , $extension) = explode('extension_view.php?eid=', $theme['uri']);
379	if (is_numeric($extension)) $theme['extension'] = $extension;
380	}
381	if (preg_match('/["\']parent["\'][^"\']+["\']([^"\']+)["\']/', $theme_data, $val))
382	{
383	$theme['parent'] = $val[1];
384	}
385	if (preg_match('/["\']activable["\'].*?(true\|false)/', $theme_data, $val))
386	{
387	$theme['activable'] = get_boolean($val[1]);
388	}
389
390	// screenshot
391	$screenshot_path = $path.'/screenshot.png';
392	if (file_exists($screenshot_path))
393	{
394	$theme['screenshot'] = $screenshot_path;
395	}
396	else
397	{
398	global $conf;
399	$theme['screenshot'] =
400	PHPWG_ROOT_PATH.'admin/themes/'
401	.$conf['admin_theme']
402	.'/images/missing_screenshot.png'
403	;
404	}
405
406	$admin_file = $path.'/admin/admin.inc.php';
407	if (file_exists($admin_file))
408	{
409	$theme['admin_uri'] = get_root_url().'admin.php?page=theme&theme='.$file;
410	}
411
412	// IMPORTANT SECURITY !
413	$theme = array_map('htmlspecialchars', $theme);
414	$this->fs_themes[$file] = $theme;
415	}
416	}
417	}
418	closedir($dir);
419	}
420
421	/**
422	* Sort fs_themes
423	*/
424	function sort_fs_themes($order='name')
425	{
426	switch ($order)
427	{
428	case 'name':
429	uasort($this->fs_themes, 'name_compare');
430	break;
431	case 'status':
432	$this->sort_themes_by_state();
433	break;
434	case 'author':
435	uasort($this->fs_themes, array($this, 'theme_author_compare'));
436	break;
437	case 'id':
438	uksort($this->fs_themes, 'strcasecmp');
439	break;
440	}
441	}
442
443	/**
444	* Retrieve PEM server datas to $server_themes
445	*/
446	function get_server_themes($new=false)
447	{
448	global $user;
449
450	$pem_category_id = 10;
451
452	// Retrieve PEM versions
453	$version = PHPWG_VERSION;
454	$versions_to_check = array();
455	$url = PEM_URL . '/api/get_version_list.php?category_id='.$pem_category_id.'&format=php';
456	if (fetchRemote($url, $result) and $pem_versions = @unserialize($result))
457	{
458	if (!preg_match('/^\d+\.\d+\.\d+/', $version))
459	{
460	$version = $pem_versions[0]['name'];
461	}
462	$branch = substr($version, 0, strrpos($version, '.'));
463	foreach ($pem_versions as $pem_version)
464	{
465	if (strpos($pem_version['name'], $branch) === 0)
466	{
467	$versions_to_check[] = $pem_version['id'];
468	}
469	}
470	}
471	if (empty($versions_to_check))
472	{
473	return false;
474	}
475
476	// Themes to check
477	$themes_to_check = array();
478	foreach($this->fs_themes as $fs_theme)
479	{
480	if (isset($fs_theme['extension']))
481	{
482	$themes_to_check[] = $fs_theme['extension'];
483	}
484	}
485
486	// Retrieve PEM themes infos
487	$url = PEM_URL . '/api/get_revision_list.php?category_id='.$pem_category_id.'&format=php&last_revision_only=true';
488	$url .= '&version=' . implode(',', $versions_to_check);
489	$url .= '&lang=' . substr($user['language'], 0, 2);
490	$url .= '&get_nb_downloads=true';
491
492	if (!empty($themes_to_check))
493	{
494	$url .= $new ? '&extension_exclude=' : '&extension_include=';
495	$url .= implode(',', $themes_to_check);
496	}
497	if (fetchRemote($url, $result))
498	{
499	$pem_themes = @unserialize($result);
500	if (!is_array($pem_themes))
501	{
502	return false;
503	}
504	foreach ($pem_themes as $theme)
505	{
506	$this->server_themes[$theme['extension_id']] = $theme;
507	}
508	return true;
509	}
510	return false;
511	}
512
513	/**
514	* Sort $server_themes
515	*/
516	function sort_server_themes($order='date')
517	{
518	switch ($order)
519	{
520	case 'date':
521	krsort($this->server_themes);
522	break;
523	case 'revision':
524	usort($this->server_themes, array($this, 'extension_revision_compare'));
525	break;
526	case 'name':
527	uasort($this->server_themes, array($this, 'extension_name_compare'));
528	break;
529	case 'author':
530	uasort($this->server_themes, array($this, 'extension_author_compare'));
531	break;
532	case 'downloads':
533	usort($this->server_themes, array($this, 'extension_downloads_compare'));
534	break;
535	}
536	}
537
538	/**
539	* Extract theme files from archive
540	*
541	* @param string - install or upgrade
542	* @param string - remote revision identifier (numeric)
543	* @param string - theme id or extension id
544	*/
545	function extract_theme_files($action, $revision, $dest)
546	{
547	if ($archive = tempnam( PHPWG_THEMES_PATH, 'zip'))
548	{
549	$url = PEM_URL . '/download.php?rid=' . $revision;
550	$url .= '&origin=piwigo_' . $action;
551
552	if ($handle = @fopen($archive, 'wb') and fetchRemote($url, $handle))
553	{
554	fclose($handle);
555	include(PHPWG_ROOT_PATH.'admin/include/pclzip.lib.php');
556	$zip = new PclZip($archive);
557	if ($list = $zip->listContent())
558	{
559	foreach ($list as $file)
560	{
561	// we search main.inc.php in archive
562	if (basename($file['filename']) == 'themeconf.inc.php'
563	and (!isset($main_filepath)
564	or strlen($file['filename']) < strlen($main_filepath)))
565	{
566	$main_filepath = $file['filename'];
567	}
568	}
569	if (isset($main_filepath))
570	{
571	$root = dirname($main_filepath); // main.inc.php path in archive
572	if ($action == 'upgrade')
573	{
574	$extract_path = PHPWG_THEMES_PATH . $dest;
575	}
576	else
577	{
578	$extract_path = PHPWG_THEMES_PATH . ($root == '.' ? 'extension_' . $dest : basename($root));
579	}
580	if (
581	$result = $zip->extract(
582	PCLZIP_OPT_PATH, $extract_path,
583	PCLZIP_OPT_REMOVE_PATH, $root,
584	PCLZIP_OPT_REPLACE_NEWER
585	)
586	)
587	{
588	foreach ($result as $file)
589	{
590	if ($file['stored_filename'] == $main_filepath)
591	{
592	$status = $file['status'];
593	break;
594	}
595	}
596	if (file_exists($extract_path.'/obsolete.list')
597	and $old_files = file($extract_path.'/obsolete.list', FILE_IGNORE_NEW_LINES)
598	and !empty($old_files))
599	{
600	array_push($old_files, 'obsolete.list');
601	foreach($old_files as $old_file)
602	{
603	$path = $extract_path.'/'.$old_file;
604	if (is_file($path))
605	{
606	@unlink($path);
607	}
608	elseif (is_dir($path))
609	{
610	if (!$this->deltree($path))
611	{
612	$this->send_to_trash($path);
613	}
614	}
615	}
616	}
617	}
618	else $status = 'extract_error';
619	}
620	else $status = 'archive_error';
621	}
622	else $status = 'archive_error';
623	}
624	else $status = 'dl_archive_error';
625	}
626	else $status = 'temp_path_error';
627
628	@unlink($archive);
629	return $status;
630	}
631
632	/**
633	* delete $path directory
634	* @param string - path
635	*/
636	function deltree($path)
637	{
638	if (is_dir($path))
639	{
640	$fh = opendir($path);
641	while ($file = readdir($fh))
642	{
643	if ($file != '.' and $file != '..')
644	{
645	$pathfile = $path . '/' . $file;
646	if (is_dir($pathfile))
647	{
648	$this->deltree($pathfile);
649	}
650	else
651	{
652	@unlink($pathfile);
653	}
654	}
655	}
656	closedir($fh);
657	return @rmdir($path);
658	}
659	}
660
661	/**
662	* send $path to trash directory
663	* @param string - path
664	*/
665	function send_to_trash($path)
666	{
667	$trash_path = PHPWG_THEMES_PATH . 'trash';
668	if (!is_dir($trash_path))
669	{
670	@mkdir($trash_path);
671	$file = @fopen($trash_path . '/.htaccess', 'w');
672	@fwrite($file, 'deny from all');
673	@fclose($file);
674	}
675	while ($r = $trash_path . '/' . md5(uniqid(rand(), true)))
676	{
677	if (!is_dir($r))
678	{
679	@rename($path, $r);
680	break;
681	}
682	}
683	}
684
685	/**
686	* Sort functions
687	*/
688	function theme_version_compare($a, $b)
689	{
690	$pattern = array('/([a-z])/ei', '/\.+/', '/\.\Z\|\A\./');
691	$replacement = array( "'.'.intval('\\1', 36).'.'", '.', '');
692
693	$array = preg_replace($pattern, $replacement, array($a, $b));
694
695	return version_compare($array[0], $array[1], '>=');
696	}
697
698	function extension_revision_compare($a, $b)
699	{
700	if ($a['revision_date'] < $b['revision_date']) return 1;
701	else return -1;
702	}
703
704	function extension_name_compare($a, $b)
705	{
706	return strcmp(strtolower($a['extension_name']), strtolower($b['extension_name']));
707	}
708
709	function extension_author_compare($a, $b)
710	{
711	$r = strcasecmp($a['author_name'], $b['author_name']);
712	if ($r == 0) return $this->extension_name_compare($a, $b);
713	else return $r;
714	}
715
716	function theme_author_compare($a, $b)
717	{
718	$r = strcasecmp($a['author'], $b['author']);
719	if ($r == 0) return name_compare($a, $b);
720	else return $r;
721	}
722
723	function extension_downloads_compare($a, $b)
724	{
725	if ($a['extension_nb_downloads'] < $b['extension_nb_downloads']) return 1;
726	else return -1;
727	}
728
729	function sort_themes_by_state()
730	{
731	uasort($this->fs_themes, 'name_compare');
732
733	$active_themes = array();
734	$inactive_themes = array();
735	$not_installed = array();
736
737	foreach($this->fs_themes as $theme_id => $theme)
738	{
739	if (isset($this->db_themes_by_id[$theme_id]))
740	{
741	$this->db_themes_by_id[$theme_id]['state'] == 'active' ?
742	$active_themes[$theme_id] = $theme : $inactive_themes[$theme_id] = $theme;
743	}
744	else
745	{
746	$not_installed[$theme_id] = $theme;
747	}
748	}
749	$this->fs_themes = $active_themes + $inactive_themes + $not_installed;
750	}
751
752	// themes specific methods
753	function get_fs_themes_with_ini()
754	{
755	$themes_dir = PHPWG_ROOT_PATH.'themes';
756
757	$fs_themes = array();
758
759	foreach (get_dirs($themes_dir) as $theme)
760	{
761	$conf_file = $themes_dir.'/'.$theme.'/themeconf.inc.php';
762	if (file_exists($conf_file))
763	{
764	$theme_data = array(
765	'name' => $theme,
766	);
767
768	$ini_file = $themes_dir.'/'.$theme.'/theme.ini';
769	if (file_exists($ini_file))
770	{
771	$theme_ini = parse_ini_file($ini_file);
772	if (isset($theme_ini['extension_id']))
773	{
774	$theme_data['extension_id'] = $theme_ini['extension_id'];
775	}
776	}
777
778	array_push($fs_themes, $theme_data);
779	}
780	}
781
782	echo '<pre>'; print_r($fs_themes); echo '</pre>';
783	}
784
785
786	}
787	?>

Note: See TracBrowser for help on using the repository browser.

Download in other formats: