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source: trunk/admin/include/themes.class.php @ 23535

Last change on this file since 23535 was 23248, checked in by flop25, 11 years ago
feature:2925 theme_delete with less arg
File size: 20.3 KB

Line
1	<?php
2	// +-----------------------------------------------------------------------+
3	// \| Piwigo - a PHP based photo gallery \|
4	// +-----------------------------------------------------------------------+
5	// \| Copyright(C) 2008-2013 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']] = $db_theme;
40	}
41	}
42
43	/**
44	* Perform requested actions
45	* @param string - action
46	* @param string - theme id
47	* @param array - errors
48	*/
49	function perform_action($action, $theme_id)
50	{
51	global $conf;
52
53	if (isset($this->db_themes_by_id[$theme_id]))
54	{
55	$crt_db_theme = $this->db_themes_by_id[$theme_id];
56	}
57
58	$file_to_include = PHPWG_THEMES_PATH.'/'.$theme_id.'/admin/maintain.inc.php';
59
60	$errors = array();
61
62	switch ($action)
63	{
64	case 'activate':
65	if (isset($crt_db_theme))
66	{
67	// the theme is already active
68	break;
69	}
70
71	if ('default' == $theme_id)
72	{
73	// you can't activate the "default" theme
74	break;
75	}
76
77	$missing_parent = $this->missing_parent_theme($theme_id);
78	if (isset($missing_parent))
79	{
80	array_push(
81	$errors,
82	sprintf(
83	l10n('Impossible to activate this theme, the parent theme is missing: %s'),
84	$missing_parent
85	)
86	);
87
88	break;
89	}
90
91
92	if ($this->fs_themes[$theme_id]['mobile']
93	and !empty($conf['mobile_theme'])
94	and $conf['mobile_theme'] != $theme_id)
95	{
96	array_push($errors, l10n('You can activate only one mobile theme.'));
97	break;
98	}
99
100	if (file_exists($file_to_include))
101	{
102	include($file_to_include);
103	if (function_exists('theme_activate'))
104	{
105	theme_activate($theme_id, $this->fs_themes[$theme_id]['version'], $errors);
106	}
107	}
108
109	if (empty($errors))
110	{
111	$query = '
112	INSERT INTO '.THEMES_TABLE.'
113	(id, version, name)
114	VALUES(\''.$theme_id.'\',
115	\''.$this->fs_themes[$theme_id]['version'].'\',
116	\''.$this->fs_themes[$theme_id]['name'].'\')
117	;';
118	pwg_query($query);
119
120	if ($this->fs_themes[$theme_id]['mobile'])
121	{
122	conf_update_param('mobile_theme', $theme_id);
123	}
124	}
125	break;
126
127	case 'deactivate':
128	if (!isset($crt_db_theme))
129	{
130	// the theme is already inactive
131	break;
132	}
133
134	// you can't deactivate the last theme
135	if (count($this->db_themes_by_id) <= 1)
136	{
137	array_push(
138	$errors,
139	l10n('Impossible to deactivate this theme, you need at least one theme.')
140	);
141	break;
142	}
143
144	if ($theme_id == get_default_theme())
145	{
146	// find a random theme to replace
147	$new_theme = null;
148
149	$query = '
150	SELECT
151	id
152	FROM '.THEMES_TABLE.'
153	WHERE id != \''.$theme_id.'\'
154	;';
155	$result = pwg_query($query);
156	if (pwg_db_num_rows($result) == 0)
157	{
158	$new_theme = 'default';
159	}
160	else
161	{
162	list($new_theme) = pwg_db_fetch_row($result);
163	}
164
165	$this->set_default_theme($new_theme);
166	}
167
168	if (file_exists($file_to_include))
169	{
170	include($file_to_include);
171	if (function_exists('theme_deactivate'))
172	{
173	theme_deactivate($theme_id);
174	}
175	}
176
177	$query = '
178	DELETE
179	FROM '.THEMES_TABLE.'
180	WHERE id= \''.$theme_id.'\'
181	;';
182	pwg_query($query);
183
184	if ($this->fs_themes[$theme_id]['mobile'])
185	{
186	conf_update_param('mobile_theme', '');
187	}
188	break;
189
190	case 'delete':
191	if (!empty($crt_db_theme))
192	{
193	array_push($errors, 'CANNOT DELETE - THEME IS INSTALLED');
194	break;
195	}
196	if (!isset($this->fs_themes[$theme_id]))
197	{
198	// nothing to do here
199	break;
200	}
201
202	$children = $this->get_children_themes($theme_id);
203	if (count($children) > 0)
204	{
205	array_push(
206	$errors,
207	sprintf(
208	l10n('Impossible to delete this theme. Other themes depends on it: %s'),
209	implode(', ', $children)
210	)
211	);
212	break;
213	}
214
215	if (file_exists($file_to_include))
216	{
217	include($file_to_include);
218	if (function_exists('theme_delete'))
219	{
220	theme_delete($theme_id);
221	}
222	}
223
224	if (!$this->deltree(PHPWG_THEMES_PATH.$theme_id))
225	{
226	$this->send_to_trash(PHPWG_THEMES_PATH.$theme_id);
227	}
228	break;
229
230	case 'set_default':
231	// first we need to know which users are using the current default theme
232	$this->set_default_theme($theme_id);
233	break;
234	}
235	return $errors;
236	}
237
238	function missing_parent_theme($theme_id)
239	{
240	if (!isset($this->fs_themes[$theme_id]['parent']))
241	{
242	return null;
243	}
244
245	$parent = $this->fs_themes[$theme_id]['parent'];
246
247	if ('default' == $parent)
248	{
249	return null;
250	}
251
252	if (!isset($this->fs_themes[$parent]))
253	{
254	return $parent;
255	}
256
257	return $this->missing_parent_theme($parent);
258	}
259
260	function get_children_themes($theme_id)
261	{
262	$children = array();
263
264	foreach ($this->fs_themes as $test_child)
265	{
266	if (isset($test_child['parent']) and $test_child['parent'] == $theme_id)
267	{
268	array_push($children, $test_child['name']);
269	}
270	}
271
272	return $children;
273	}
274
275	function set_default_theme($theme_id)
276	{
277	global $conf;
278
279	// first we need to know which users are using the current default theme
280	$default_theme = get_default_theme();
281
282	$query = '
283	SELECT
284	user_id
285	FROM '.USER_INFOS_TABLE.'
286	WHERE theme = \''.$default_theme.'\'
287	;';
288	$user_ids = array_unique(
289	array_merge(
290	array_from_query($query, 'user_id'),
291	array($conf['guest_id'], $conf['default_user_id'])
292	)
293	);
294
295	// $user_ids can't be empty, at least the default user has the default
296	// theme
297
298	$query = '
299	UPDATE '.USER_INFOS_TABLE.'
300	SET theme = \''.$theme_id.'\'
301	WHERE user_id IN ('.implode(',', $user_ids).')
302	;';
303	pwg_query($query);
304	}
305
306	function get_db_themes($id='')
307	{
308	$query = '
309	SELECT
310	*
311	FROM '.THEMES_TABLE;
312
313	$clauses = array();
314	if (!empty($id))
315	{
316	$clauses[] = 'id = \''.$id.'\'';
317	}
318	if (count($clauses) > 0)
319	{
320	$query .= '
321	WHERE '. implode(' AND ', $clauses);
322	}
323
324	$result = pwg_query($query);
325	$themes = array();
326	while ($row = pwg_db_fetch_assoc($result))
327	{
328	array_push($themes, $row);
329	}
330	return $themes;
331	}
332
333
334	/**
335	* Get themes defined in the theme directory
336	*/
337	function get_fs_themes()
338	{
339	$dir = opendir(PHPWG_THEMES_PATH);
340
341	while ($file = readdir($dir))
342	{
343	if ($file!='.' and $file!='..')
344	{
345	$path = PHPWG_THEMES_PATH.$file;
346	if (is_dir($path)
347	and preg_match('/^[a-zA-Z0-9-_]+$/', $file)
348	and file_exists($path.'/themeconf.inc.php')
349	)
350	{
351	$theme = array(
352	'id' => $file,
353	'name' => $file,
354	'version' => '0',
355	'uri' => '',
356	'description' => '',
357	'author' => '',
358	'mobile' => false,
359	);
360	$theme_data = implode( '', file($path.'/themeconf.inc.php') );
361
362	if ( preg_match("\|Theme Name: (.*)\|", $theme_data, $val) )
363	{
364	$theme['name'] = trim( $val[1] );
365	}
366	if (preg_match("\|Version: (.*)\|", $theme_data, $val))
367	{
368	$theme['version'] = trim($val[1]);
369	}
370	if ( preg_match("\|Theme URI: (.*)\|", $theme_data, $val) )
371	{
372	$theme['uri'] = trim($val[1]);
373	}
374	if ($desc = load_language('description.txt', $path.'/', array('return' => true)))
375	{
376	$theme['description'] = trim($desc);
377	}
378	elseif ( preg_match("\|Description: (.*)\|", $theme_data, $val) )
379	{
380	$theme['description'] = trim($val[1]);
381	}
382	if ( preg_match("\|Author: (.*)\|", $theme_data, $val) )
383	{
384	$theme['author'] = trim($val[1]);
385	}
386	if ( preg_match("\|Author URI: (.*)\|", $theme_data, $val) )
387	{
388	$theme['author uri'] = trim($val[1]);
389	}
390	if (!empty($theme['uri']) and strpos($theme['uri'] , 'extension_view.php?eid='))
391	{
392	list( , $extension) = explode('extension_view.php?eid=', $theme['uri']);
393	if (is_numeric($extension)) $theme['extension'] = $extension;
394	}
395	if (preg_match('/["\']parent["\'][^"\']+["\']([^"\']+)["\']/', $theme_data, $val))
396	{
397	$theme['parent'] = $val[1];
398	}
399	if (preg_match('/["\']activable["\'].*?(true\|false)/i', $theme_data, $val))
400	{
401	$theme['activable'] = get_boolean($val[1]);
402	}
403	if (preg_match('/["\']mobile["\'].*?(true\|false)/i', $theme_data, $val))
404	{
405	$theme['mobile'] = get_boolean($val[1]);
406	}
407
408	// screenshot
409	$screenshot_path = $path.'/screenshot.png';
410	if (file_exists($screenshot_path))
411	{
412	$theme['screenshot'] = $screenshot_path;
413	}
414	else
415	{
416	global $conf;
417	$theme['screenshot'] =
418	PHPWG_ROOT_PATH.'admin/themes/'
419	.$conf['admin_theme']
420	.'/images/missing_screenshot.png'
421	;
422	}
423
424	$admin_file = $path.'/admin/admin.inc.php';
425	if (file_exists($admin_file))
426	{
427	$theme['admin_uri'] = get_root_url().'admin.php?page=theme&theme='.$file;
428	}
429
430	// IMPORTANT SECURITY !
431	$theme = array_map('htmlspecialchars', $theme);
432	$this->fs_themes[$file] = $theme;
433	}
434	}
435	}
436	closedir($dir);
437	}
438
439	/**
440	* Sort fs_themes
441	*/
442	function sort_fs_themes($order='name')
443	{
444	switch ($order)
445	{
446	case 'name':
447	uasort($this->fs_themes, 'name_compare');
448	break;
449	case 'status':
450	$this->sort_themes_by_state();
451	break;
452	case 'author':
453	uasort($this->fs_themes, array($this, 'theme_author_compare'));
454	break;
455	case 'id':
456	uksort($this->fs_themes, 'strcasecmp');
457	break;
458	}
459	}
460
461	/**
462	* Retrieve PEM server datas to $server_themes
463	*/
464	function get_server_themes($new=false)
465	{
466	global $user, $conf;
467
468	$get_data = array(
469	'category_id' => $conf['pem_themes_category'],
470	'format' => 'php',
471	);
472
473	// Retrieve PEM versions
474	$version = PHPWG_VERSION;
475	$versions_to_check = array();
476	$url = PEM_URL . '/api/get_version_list.php';
477	if (fetchRemote($url, $result, $get_data) and $pem_versions = @unserialize($result))
478	{
479	if (!preg_match('/^\d+\.\d+\.\d+$/', $version))
480	{
481	$version = $pem_versions[0]['name'];
482	}
483	$branch = get_branch_from_version($version);
484	foreach ($pem_versions as $pem_version)
485	{
486	if (strpos($pem_version['name'], $branch) === 0)
487	{
488	$versions_to_check[] = $pem_version['id'];
489	}
490	}
491	}
492	if (empty($versions_to_check))
493	{
494	return false;
495	}
496
497	// Themes to check
498	$themes_to_check = array();
499	foreach($this->fs_themes as $fs_theme)
500	{
501	if (isset($fs_theme['extension']))
502	{
503	$themes_to_check[] = $fs_theme['extension'];
504	}
505	}
506
507	// Retrieve PEM themes infos
508	$url = PEM_URL . '/api/get_revision_list.php';
509	$get_data = array_merge($get_data, array(
510	'last_revision_only' => 'true',
511	'version' => implode(',', $versions_to_check),
512	'lang' => substr($user['language'], 0, 2),
513	'get_nb_downloads' => 'true',
514	)
515	);
516
517	if (!empty($themes_to_check))
518	{
519	if ($new)
520	{
521	$get_data['extension_exclude'] = implode(',', $themes_to_check);
522	}
523	else
524	{
525	$get_data['extension_include'] = implode(',', $themes_to_check);
526	}
527	}
528	if (fetchRemote($url, $result, $get_data))
529	{
530	$pem_themes = @unserialize($result);
531	if (!is_array($pem_themes))
532	{
533	return false;
534	}
535	foreach ($pem_themes as $theme)
536	{
537	$this->server_themes[$theme['extension_id']] = $theme;
538	}
539	return true;
540	}
541	return false;
542	}
543
544	/**
545	* Sort $server_themes
546	*/
547	function sort_server_themes($order='date')
548	{
549	switch ($order)
550	{
551	case 'date':
552	krsort($this->server_themes);
553	break;
554	case 'revision':
555	usort($this->server_themes, array($this, 'extension_revision_compare'));
556	break;
557	case 'name':
558	uasort($this->server_themes, array($this, 'extension_name_compare'));
559	break;
560	case 'author':
561	uasort($this->server_themes, array($this, 'extension_author_compare'));
562	break;
563	case 'downloads':
564	usort($this->server_themes, array($this, 'extension_downloads_compare'));
565	break;
566	}
567	}
568
569	/**
570	* Extract theme files from archive
571	*
572	* @param string - install or upgrade
573	* @param string - remote revision identifier (numeric)
574	* @param string - theme id or extension id
575	*/
576	function extract_theme_files($action, $revision, $dest)
577	{
578	if ($archive = tempnam( PHPWG_THEMES_PATH, 'zip'))
579	{
580	$url = PEM_URL . '/download.php';
581	$get_data = array(
582	'rid' => $revision,
583	'origin' => 'piwigo_'.$action,
584	);
585
586	if ($handle = @fopen($archive, 'wb') and fetchRemote($url, $handle, $get_data))
587	{
588	fclose($handle);
589	include_once(PHPWG_ROOT_PATH.'admin/include/pclzip.lib.php');
590	$zip = new PclZip($archive);
591	if ($list = $zip->listContent())
592	{
593	foreach ($list as $file)
594	{
595	// we search main.inc.php in archive
596	if (basename($file['filename']) == 'themeconf.inc.php'
597	and (!isset($main_filepath)
598	or strlen($file['filename']) < strlen($main_filepath)))
599	{
600	$main_filepath = $file['filename'];
601	}
602	}
603	if (isset($main_filepath))
604	{
605	$root = dirname($main_filepath); // main.inc.php path in archive
606	if ($action == 'upgrade')
607	{
608	$extract_path = PHPWG_THEMES_PATH . $dest;
609	}
610	else
611	{
612	$extract_path = PHPWG_THEMES_PATH . ($root == '.' ? 'extension_' . $dest : basename($root));
613	}
614	if (
615	$result = $zip->extract(
616	PCLZIP_OPT_PATH, $extract_path,
617	PCLZIP_OPT_REMOVE_PATH, $root,
618	PCLZIP_OPT_REPLACE_NEWER
619	)
620	)
621	{
622	foreach ($result as $file)
623	{
624	if ($file['stored_filename'] == $main_filepath)
625	{
626	$status = $file['status'];
627	break;
628	}
629	}
630	if (file_exists($extract_path.'/obsolete.list')
631	and $old_files = file($extract_path.'/obsolete.list', FILE_IGNORE_NEW_LINES)
632	and !empty($old_files))
633	{
634	array_push($old_files, 'obsolete.list');
635	foreach($old_files as $old_file)
636	{
637	$path = $extract_path.'/'.$old_file;
638	if (is_file($path))
639	{
640	@unlink($path);
641	}
642	elseif (is_dir($path))
643	{
644	if (!$this->deltree($path))
645	{
646	$this->send_to_trash($path);
647	}
648	}
649	}
650	}
651	}
652	else $status = 'extract_error';
653	}
654	else $status = 'archive_error';
655	}
656	else $status = 'archive_error';
657	}
658	else $status = 'dl_archive_error';
659	}
660	else $status = 'temp_path_error';
661
662	@unlink($archive);
663	return $status;
664	}
665
666	/**
667	* delete $path directory
668	* @param string - path
669	*/
670	function deltree($path)
671	{
672	if (is_dir($path))
673	{
674	$fh = opendir($path);
675	while ($file = readdir($fh))
676	{
677	if ($file != '.' and $file != '..')
678	{
679	$pathfile = $path . '/' . $file;
680	if (is_dir($pathfile))
681	{
682	$this->deltree($pathfile);
683	}
684	else
685	{
686	@unlink($pathfile);
687	}
688	}
689	}
690	closedir($fh);
691	return @rmdir($path);
692	}
693	}
694
695	/**
696	* send $path to trash directory
697	* @param string - path
698	*/
699	function send_to_trash($path)
700	{
701	$trash_path = PHPWG_THEMES_PATH . 'trash';
702	if (!is_dir($trash_path))
703	{
704	@mkdir($trash_path);
705	$file = @fopen($trash_path . '/.htaccess', 'w');
706	@fwrite($file, 'deny from all');
707	@fclose($file);
708	}
709	while ($r = $trash_path . '/' . md5(uniqid(rand(), true)))
710	{
711	if (!is_dir($r))
712	{
713	@rename($path, $r);
714	break;
715	}
716	}
717	}
718
719	/**
720	* Sort functions
721	*/
722	function theme_version_compare($a, $b)
723	{
724	$pattern = array('/([a-z])/ei', '/\.+/', '/\.\Z\|\A\./');
725	$replacement = array( "'.'.intval('\\1', 36).'.'", '.', '');
726
727	$array = preg_replace($pattern, $replacement, array($a, $b));
728
729	return version_compare($array[0], $array[1], '>=');
730	}
731
732	function extension_revision_compare($a, $b)
733	{
734	if ($a['revision_date'] < $b['revision_date']) return 1;
735	else return -1;
736	}
737
738	function extension_name_compare($a, $b)
739	{
740	return strcmp(strtolower($a['extension_name']), strtolower($b['extension_name']));
741	}
742
743	function extension_author_compare($a, $b)
744	{
745	$r = strcasecmp($a['author_name'], $b['author_name']);
746	if ($r == 0) return $this->extension_name_compare($a, $b);
747	else return $r;
748	}
749
750	function theme_author_compare($a, $b)
751	{
752	$r = strcasecmp($a['author'], $b['author']);
753	if ($r == 0) return name_compare($a, $b);
754	else return $r;
755	}
756
757	function extension_downloads_compare($a, $b)
758	{
759	if ($a['extension_nb_downloads'] < $b['extension_nb_downloads']) return 1;
760	else return -1;
761	}
762
763	function sort_themes_by_state()
764	{
765	uasort($this->fs_themes, 'name_compare');
766
767	$active_themes = array();
768	$inactive_themes = array();
769	$not_installed = array();
770
771	foreach($this->fs_themes as $theme_id => $theme)
772	{
773	if (isset($this->db_themes_by_id[$theme_id]))
774	{
775	$this->db_themes_by_id[$theme_id]['state'] == 'active' ?
776	$active_themes[$theme_id] = $theme : $inactive_themes[$theme_id] = $theme;
777	}
778	else
779	{
780	$not_installed[$theme_id] = $theme;
781	}
782	}
783	$this->fs_themes = $active_themes + $inactive_themes + $not_installed;
784	}
785
786	}
787	?>

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