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1 | <?php |
2 | // This file is part of Moodle - http://moodle.org/ | |
3 | // | |
4 | // Moodle is free software: you can redistribute it and/or modify | |
5 | // it under the terms of the GNU General Public License as published by | |
6 | // the Free Software Foundation, either version 3 of the License, or | |
7 | // (at your option) any later version. | |
8 | // | |
9 | // Moodle is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | // | |
14 | // You should have received a copy of the GNU General Public License | |
15 | // along with Moodle. If not, see <http://www.gnu.org/licenses/>. | |
16 | ||
17 | /** | |
18 | * Defines classes used for plugins management | |
19 | * | |
20 | * This library provides a unified interface to various plugin types in | |
21 | * Moodle. It is mainly used by the plugins management admin page and the | |
22 | * plugins check page during the upgrade. | |
23 | * | |
24 | * @package core | |
25 | * @subpackage admin | |
26 | * @copyright 2011 David Mudrak <david@moodle.com> | |
27 | * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | |
28 | */ | |
29 | ||
30 | defined('MOODLE_INTERNAL') || die(); | |
31 | ||
32 | /** | |
33 | * Singleton class providing general plugins management functionality | |
34 | */ | |
35 | class plugin_manager { | |
36 | ||
37 | /** the plugin is shipped with standard Moodle distribution */ | |
38 | const PLUGIN_SOURCE_STANDARD = 'std'; | |
39 | /** the plugin is added extension */ | |
40 | const PLUGIN_SOURCE_EXTENSION = 'ext'; | |
41 | ||
42 | /** the plugin uses neither database nor capabilities, no versions */ | |
43 | const PLUGIN_STATUS_NODB = 'nodb'; | |
44 | /** the plugin is up-to-date */ | |
45 | const PLUGIN_STATUS_UPTODATE = 'uptodate'; | |
46 | /** the plugin is about to be installed */ | |
47 | const PLUGIN_STATUS_NEW = 'new'; | |
48 | /** the plugin is about to be upgraded */ | |
49 | const PLUGIN_STATUS_UPGRADE = 'upgrade'; | |
50 | /** the version at the disk is lower than the one already installed */ | |
51 | const PLUGIN_STATUS_DOWNGRADE = 'downgrade'; | |
52 | /** the plugin is installed but missing from disk */ | |
53 | const PLUGIN_STATUS_MISSING = 'missing'; | |
54 | ||
55 | /** @var plugin_manager holds the singleton instance */ | |
56 | protected static $singletoninstance; | |
57 | /** @var array of raw plugins information */ | |
58 | protected $pluginsinfo = null; | |
59 | /** @var array of raw subplugins information */ | |
60 | protected $subpluginsinfo = null; | |
61 | ||
62 | /** | |
63 | * Direct initiation not allowed, use the factory method {@link self::instance()} | |
64 | * | |
65 | * @todo we might want to specify just a single plugin type to work with | |
66 | */ | |
67 | protected function __construct() { | |
68 | $this->get_plugins(true); | |
69 | } | |
70 | ||
71 | /** | |
72 | * Sorry, this is singleton | |
73 | */ | |
74 | protected function __clone() { | |
75 | } | |
76 | ||
77 | /** | |
78 | * Factory method for this class | |
79 | * | |
80 | * @return plugin_manager the singleton instance | |
81 | */ | |
82 | public static function instance() { | |
83 | global $CFG; | |
84 | ||
85 | if (is_null(self::$singletoninstance)) { | |
86 | self::$singletoninstance = new self(); | |
87 | } | |
88 | return self::$singletoninstance; | |
89 | } | |
90 | ||
91 | /** | |
92 | * Returns a tree of known plugins and information about them | |
93 | * | |
94 | * @param bool $disablecache force reload, cache can be used otherwise | |
95 | * @return array | |
96 | */ | |
97 | public function get_plugins($disablecache=false) { | |
98 | ||
99 | if ($disablecache or is_null($this->pluginsinfo)) { | |
100 | $this->pluginsinfo = array(); | |
101 | $plugintypes = get_plugin_types(); | |
102 | foreach ($plugintypes as $plugintype => $plugintyperootdir) { | |
103 | if (in_array($plugintype, array('base', 'general'))) { | |
104 | throw new coding_exception('Illegal usage of reserved word for plugin type'); | |
105 | } | |
106 | if (class_exists('plugintype_' . $plugintype)) { | |
107 | $plugintypeclass = 'plugintype_' . $plugintype; | |
108 | } else { | |
109 | $plugintypeclass = 'plugintype_general'; | |
110 | } | |
111 | if (!in_array('plugintype_interface', class_implements($plugintypeclass))) { | |
112 | throw new coding_exception('Class ' . $plugintypeclass . ' must implement plugintype_interface'); | |
113 | } | |
114 | $plugins = call_user_func(array($plugintypeclass, 'get_plugins'), $plugintype, $plugintyperootdir, $plugintypeclass); | |
115 | $this->pluginsinfo[$plugintype] = $plugins; | |
116 | } | |
117 | } | |
118 | ||
119 | return $this->pluginsinfo; | |
120 | } | |
121 | ||
122 | /** | |
123 | * Returns list of plugins that define their subplugins and information about them | |
124 | * | |
125 | * At the moment, only activity modules can define subplugins. | |
126 | * | |
127 | * @param double $disablecache force reload, cache can be used otherwise | |
128 | * @return array | |
129 | */ | |
130 | public function get_subplugins($disablecache=false) { | |
131 | ||
132 | if ($disablecache or is_null($this->subpluginsinfo)) { | |
133 | $this->subpluginsinfo = array(); | |
134 | $mods = get_plugin_list('mod'); | |
135 | foreach ($mods as $mod => $moddir) { | |
136 | $modsubplugins = array(); | |
137 | if (file_exists($moddir . '/db/subplugins.php')) { | |
138 | include($moddir . '/db/subplugins.php'); | |
139 | foreach ($subplugins as $subplugintype => $subplugintyperootdir) { | |
140 | $subplugin = new stdClass(); | |
141 | $subplugin->type = $subplugintype; | |
142 | $subplugin->typerootdir = $subplugintyperootdir; | |
143 | $modsubplugins[$subplugintype] = $subplugin; | |
144 | } | |
145 | $this->subpluginsinfo['mod_' . $mod] = $modsubplugins; | |
146 | } | |
147 | } | |
148 | } | |
149 | ||
150 | return $this->subpluginsinfo; | |
151 | } | |
152 | ||
153 | /** | |
154 | * Returns the name of the plugin that defines the given subplugin type | |
155 | * | |
156 | * If the given subplugin type is not actually a subplugin, returns false. | |
157 | * | |
158 | * @param string $subplugintype the name of subplugin type, eg. workshopform or quiz | |
159 | * @return false|string the name of the parent plugin, eg. mod_workshop | |
160 | */ | |
161 | public function get_parent_of_subplugin($subplugintype) { | |
162 | ||
163 | $parent = false; | |
164 | foreach ($this->get_subplugins() as $pluginname => $subplugintypes) { | |
165 | if (isset($subplugintypes[$subplugintype])) { | |
166 | $parent = $pluginname; | |
167 | break; | |
168 | } | |
169 | } | |
170 | ||
171 | return $parent; | |
172 | } | |
173 | ||
174 | /** | |
175 | * Returns a localized name of a given plugin | |
176 | * | |
177 | * @param string $plugin name of the plugin, eg mod_workshop or auth_ldap | |
178 | * @return string | |
179 | */ | |
180 | public function plugin_name($plugin) { | |
181 | list($type, $name) = normalize_component($plugin); | |
182 | return $this->pluginsinfo[$type][$name]->displayname; | |
183 | } | |
184 | ||
185 | /** | |
186 | * Returns a localized name of a plugin type in plural form | |
187 | * | |
188 | * Most plugin types define their names in core_plugin lang file. In case of subplugins, | |
189 | * we try to ask the parent plugin for the name. In the worst case, we will return | |
190 | * the value of the passed $type parameter. | |
191 | * | |
192 | * @param string $type the type of the plugin, e.g. mod or workshopform | |
193 | * @return string | |
194 | */ | |
195 | public function plugintype_name_plural($type) { | |
196 | ||
197 | if (get_string_manager()->string_exists('type_' . $type . '_plural', 'core_plugin')) { | |
198 | // for most plugin types, their names are defined in core_plugin lang file | |
199 | return get_string('type_' . $type . '_plural', 'core_plugin'); | |
200 | ||
201 | } else if ($parent = $this->get_parent_of_subplugin($type)) { | |
202 | // if this is a subplugin, try to ask the parent plugin for the name | |
203 | if (get_string_manager()->string_exists('subplugintype_' . $type . '_plural', $parent)) { | |
204 | return $this->plugin_name($parent) . ' / ' . get_string('subplugintype_' . $type . '_plural', $parent); | |
205 | } else { | |
206 | return $this->plugin_name($parent) . ' / ' . $type; | |
207 | } | |
208 | ||
209 | } else { | |
210 | return $type; | |
211 | } | |
212 | } | |
213 | ||
214 | /** | |
215 | * Defines a white list of all plugins shipped in the standard Moodle distribution | |
216 | * | |
217 | * @return false|array array of standard plugins or false if the type is unknown | |
218 | */ | |
219 | public static function standard_plugins_list($type) { | |
220 | static $standard_plugins = array( | |
221 | ||
222 | 'assignment' => array( | |
223 | 'offline', 'online', 'upload', 'uploadsingle' | |
224 | ), | |
225 | ||
226 | 'auth' => array( | |
227 | 'cas', 'db', 'email', 'fc', 'imap', 'ldap', 'manual', 'mnet', | |
228 | 'nntp', 'nologin', 'none', 'pam', 'pop3', 'radius', | |
229 | 'shibboleth', 'webservice' | |
230 | ), | |
231 | ||
232 | 'block' => array( | |
233 | 'activity_modules', 'admin_bookmarks', 'blog_menu', | |
234 | 'blog_recent', 'blog_tags', 'calendar_month', | |
235 | 'calendar_upcoming', 'comments', 'community', | |
236 | 'completionstatus', 'course_list', 'course_overview', | |
237 | 'course_summary', 'feedback', 'glossary_random', 'html', | |
238 | 'login', 'mentees', 'messages', 'mnet_hosts', 'myprofile', | |
239 | 'navigation', 'news_items', 'online_users', 'participants', | |
240 | 'private_files', 'quiz_results', 'recent_activity', | |
241 | 'rss_client', 'search', 'search_forums', 'section_links', | |
242 | 'selfcompletion', 'settings', 'site_main_menu', | |
243 | 'social_activities', 'tag_flickr', 'tag_youtube', 'tags' | |
244 | ), | |
245 | ||
246 | 'coursereport' => array( | |
247 | 'completion', 'log', 'outline', 'participation', 'progress', 'stats' | |
248 | ), | |
249 | ||
250 | 'datafield' => array( | |
251 | 'checkbox', 'date', 'file', 'latlong', 'menu', 'multimenu', | |
252 | 'number', 'picture', 'radiobutton', 'text', 'textarea', 'url' | |
253 | ), | |
254 | ||
255 | 'datapreset' => array( | |
256 | 'imagegallery' | |
257 | ), | |
258 | ||
259 | 'editor' => array( | |
260 | 'textarea', 'tinymce' | |
261 | ), | |
262 | ||
263 | 'enrol' => array( | |
264 | 'authorize', 'category', 'cohort', 'database', 'flatfile', | |
265 | 'guest', 'imsenterprise', 'ldap', 'manual', 'meta', 'mnet', | |
266 | 'paypal', 'self' | |
267 | ), | |
268 | ||
269 | 'filter' => array( | |
270 | 'activitynames', 'algebra', 'censor', 'emailprotect', | |
271 | 'emoticon', 'mediaplugin', 'multilang', 'tex', 'tidy', | |
272 | 'urltolink', 'mod_data', 'mod_glossary' | |
273 | ), | |
274 | ||
275 | 'format' => array( | |
276 | 'scorm', 'social', 'topics', 'weeks' | |
277 | ), | |
278 | ||
279 | 'gradeexport' => array( | |
280 | 'ods', 'txt', 'xls', 'xml' | |
281 | ), | |
282 | ||
283 | 'gradeimport' => array( | |
284 | 'csv', 'xml' | |
285 | ), | |
286 | ||
287 | 'gradereport' => array( | |
288 | 'grader', 'outcomes', 'overview', 'user' | |
289 | ), | |
290 | ||
291 | 'local' => array( | |
292 | ), | |
293 | ||
294 | 'message' => array( | |
295 | 'email', 'jabber', 'popup' | |
296 | ), | |
297 | ||
298 | 'mnetservice' => array( | |
299 | 'enrol' | |
300 | ), | |
301 | ||
302 | 'mod' => array( | |
303 | 'assignment', 'chat', 'choice', 'data', 'feedback', 'folder', | |
304 | 'forum', 'glossary', 'imscp', 'label', 'lesson', 'page', | |
305 | 'quiz', 'resource', 'scorm', 'survey', 'url', 'wiki', 'workshop' | |
306 | ), | |
307 | ||
308 | 'plagiarism' => array( | |
309 | ), | |
310 | ||
311 | 'portfolio' => array( | |
312 | 'boxnet', 'download', 'flickr', 'googledocs', 'mahara', 'picasa' | |
313 | ), | |
314 | ||
315 | 'profilefield' => array( | |
316 | 'checkbox', 'datetime', 'menu', 'text', 'textarea' | |
317 | ), | |
318 | ||
319 | 'qformat' => array( | |
320 | 'aiken', 'blackboard', 'blackboard_six', 'examview', 'gift', | |
321 | 'learnwise', 'missingword', 'multianswer', 'qti_two', 'webct', | |
322 | 'xhtml', 'xml' | |
323 | ), | |
324 | ||
325 | 'qtype' => array( | |
326 | 'calculated', 'calculatedmulti', 'calculatedsimple', | |
327 | 'description', 'essay', 'match', 'missingtype', 'multianswer', | |
328 | 'multichoice', 'numerical', 'random', 'randomsamatch', | |
329 | 'shortanswer', 'truefalse' | |
330 | ), | |
331 | ||
332 | 'quiz' => array( | |
333 | 'grading', 'overview', 'responses', 'statistics' | |
334 | ), | |
335 | ||
336 | 'report' => array( | |
337 | 'backups', 'capability', 'configlog', 'courseoverview', | |
338 | 'customlang', 'log', 'profiling', 'questioninstances', | |
339 | 'security', 'spamcleaner', 'stats', 'unittest', 'unsuproles' | |
340 | ), | |
341 | ||
342 | 'repository' => array( | |
343 | 'alfresco', 'boxnet', 'coursefiles', 'dropbox', 'filesystem', | |
344 | 'flickr', 'flickr_public', 'googledocs', 'local', 'merlot', | |
345 | 'picasa', 'recent', 's3', 'upload', 'url', 'user', 'webdav', | |
346 | 'wikimedia', 'youtube' | |
347 | ), | |
348 | ||
349 | 'theme' => array( | |
350 | 'anomaly', 'arialist', 'base', 'binarius', 'boxxie', 'brick', | |
351 | 'canvas', 'formal_white', 'formfactor', 'fusion', | |
352 | 'leatherbound', 'magazine', 'nimble', 'nonzero', 'overlay', | |
353 | 'serenity', 'sky_high', 'splash', 'standard', 'standardold' | |
354 | ), | |
355 | ||
356 | 'webservice' => array( | |
357 | 'amf', 'rest', 'soap', 'xmlrpc' | |
358 | ), | |
359 | ||
360 | 'workshopallocation' => array( | |
361 | 'manual', 'random' | |
362 | ), | |
363 | ||
364 | 'workshopeval' => array( | |
365 | 'best' | |
366 | ), | |
367 | ||
368 | 'workshopform' => array( | |
369 | 'accumulative', 'comments', 'numerrors', 'rubric' | |
370 | ) | |
371 | ); | |
372 | ||
373 | if (isset($standard_plugins[$type])) { | |
374 | return $standard_plugins[$type]; | |
375 | ||
376 | } else { | |
377 | return false; | |
378 | } | |
379 | } | |
380 | } | |
381 | ||
382 | /** | |
383 | * All classes that represent a plugin of some type must implement this interface | |
384 | */ | |
385 | interface plugintype_interface { | |
386 | ||
387 | /** | |
388 | * Gathers and returns the information about all plugins of the given type | |
389 | * | |
390 | * Passing the parameter $typeclass allows us to reach the same effect as with the | |
391 | * late binding in PHP 5.3. Once PHP 5.3 is required, we can refactor this to use | |
392 | * {@example $plugin = new static();} instead of {@example $plugin = new $typeclass()} | |
393 | * | |
394 | * @param string $type the name of the plugintype, eg. mod, auth or workshopform | |
395 | * @param string $typerootdir full path to the location of the plugin dir | |
396 | * @param string $typeclass the name of the actually called class | |
397 | * @return array of plugintype classes, indexed by the plugin name | |
398 | */ | |
399 | public static function get_plugins($type, $typerootdir, $typeclass); | |
400 | ||
401 | /** | |
402 | * Sets $displayname property to a localized name of the plugin | |
403 | * | |
404 | * @return void | |
405 | */ | |
406 | public function set_display_name(); | |
407 | ||
408 | /** | |
409 | * Sets $versiondisk property to a numerical value representing the | |
410 | * version of the plugin's source code. | |
411 | * | |
412 | * If the value is null after calling this method, either the plugin | |
413 | * does not use versioning (typically does not have any database | |
414 | * data) or is missing from disk. | |
415 | * | |
416 | * @return void | |
417 | */ | |
418 | public function set_version_disk(); | |
419 | ||
420 | /** | |
421 | * Sets $versiondb property to a numerical value representing the | |
422 | * currently installed version of the plugin. | |
423 | * | |
424 | * If the value is null after calling this method, either the plugin | |
425 | * does not use versioning (typically does not have any database | |
426 | * data) or has not been installed yet. | |
427 | * | |
428 | * @return void | |
429 | */ | |
430 | public function set_version_db(); | |
431 | ||
432 | /** | |
433 | * Sets $versionrequires property to a numerical value representing | |
434 | * the version of Moodle core that this plugin requires. | |
435 | * | |
436 | * @return void | |
437 | */ | |
438 | public function set_version_requires(); | |
439 | ||
440 | /** | |
441 | * Sets $source property to one of plugin_manager::PLUGIN_SOURCE_xxx | |
442 | * constants. | |
443 | * | |
444 | * If the property's value is null after calling this method, then | |
445 | * the type of the plugin has not been recognized and you should throw | |
446 | * an exception. | |
447 | * | |
448 | * @return void | |
449 | */ | |
450 | public function set_source(); | |
451 | ||
452 | /** | |
453 | * Returns true if the plugin is shipped with the official distribution | |
454 | * of the current Moodle version, false otherwise. | |
455 | * | |
456 | * @return bool | |
457 | */ | |
458 | public function is_standard(); | |
459 | ||
460 | /** | |
461 | * Returns the status of the plugin | |
462 | * | |
463 | * @return string one of plugin_manager::PLUGIN_STATUS_xxx constants | |
464 | */ | |
465 | public function get_status(); | |
466 | ||
467 | /** | |
468 | * Returns the information about plugin availability | |
469 | * | |
470 | * True means that the plugin is enabled. False means that the plugin is | |
471 | * disabled. Null means that the information is not available, or the | |
472 | * plugin does not support configurable availability or the availability | |
473 | * can not be changed. | |
474 | * | |
475 | * @return null|bool | |
476 | */ | |
477 | public function is_enabled(); | |
478 | ||
479 | /** | |
480 | * Returns the URL of the plugin settings screen | |
481 | * | |
482 | * Null value means that the plugin either does not have the settings screen | |
483 | * or its location is not available via this library. | |
484 | * | |
485 | * @return null|moodle_url | |
486 | */ | |
487 | public function get_settings_url(); | |
488 | ||
489 | /** | |
490 | * Returns the URL of the screen where this plugin can be uninstalled | |
491 | * | |
492 | * Visiting that URL must be safe, that is a manual confirmation is needed | |
493 | * for actual uninstallation of the plugin. Null value means that the | |
494 | * plugin either does not support uninstallation, or does not require any | |
495 | * database cleanup or the location of the screen is not available via this | |
496 | * library. | |
497 | * | |
498 | * @return null|moodle_url | |
499 | */ | |
500 | public function get_uninstall_url(); | |
501 | ||
502 | /** | |
503 | * Returns relative directory of the plugin with heading '/' | |
504 | * | |
505 | * @example /mod/workshop | |
506 | * @return string | |
507 | */ | |
508 | public function get_dir(); | |
509 | } | |
510 | ||
511 | /** | |
512 | * Defines public properties that all plugintype classes must have | |
513 | * and provides default implementation of required methods. | |
514 | */ | |
515 | abstract class plugintype_base { | |
516 | ||
517 | /** @var string the plugintype name, eg. mod, auth or workshopform */ | |
518 | public $type; | |
519 | /** @var string full path to the location of all the plugins of this type */ | |
520 | public $typerootdir; | |
521 | /** @var string the plugin name, eg. assignment, ldap */ | |
522 | public $name; | |
523 | /** @var string the localized plugin name */ | |
524 | public $displayname; | |
525 | /** @var string the plugin source, one of plugin_manager::PLUGIN_SOURCE_xxx constants */ | |
526 | public $source; | |
527 | /** @var fullpath to the location of this plugin */ | |
528 | public $rootdir; | |
529 | /** @var int|string the version of the plugin's source code */ | |
530 | public $versiondisk; | |
531 | /** @var int|string the version of the installed plugin */ | |
532 | public $versiondb; | |
533 | /** @var int|float|string required version of Moodle core */ | |
534 | public $versionrequires; | |
535 | /** @var int number of instances of the plugin - not supported yet */ | |
536 | public $instances; | |
537 | /** @var int order of the plugin among other plugins of the same type - not supported yet */ | |
538 | public $sortorder; | |
539 | ||
540 | /** | |
541 | * @see plugintype_interface::get_plugins() | |
542 | */ | |
543 | public static function get_plugins($type, $typerootdir, $typeclass) { | |
544 | ||
545 | // get the information about plugins at the disk | |
546 | $plugins = get_plugin_list($type); | |
547 | $ondisk = array(); | |
548 | foreach ($plugins as $pluginname => $pluginrootdir) { | |
549 | $plugin = new $typeclass(); | |
550 | $plugin->type = $type; | |
551 | $plugin->typerootdir = $typerootdir; | |
552 | $plugin->name = $pluginname; | |
553 | $plugin->rootdir = $pluginrootdir; | |
554 | ||
555 | $plugin->set_display_name(); | |
556 | $plugin->set_version_disk(); | |
557 | $plugin->set_version_db(); | |
558 | $plugin->set_version_requires(); | |
559 | $plugin->set_source(); | |
560 | ||
561 | $ondisk[$pluginname] = $plugin; | |
562 | } | |
563 | return $ondisk; | |
564 | } | |
565 | ||
566 | /** | |
567 | * @see plugintype_interface::set_display_name() | |
568 | */ | |
569 | public function set_display_name() { | |
570 | if (! get_string_manager()->string_exists('pluginname', $this->type . '_' . $this->name)) { | |
571 | $this->displayname = '[pluginname,' . $this->type . '_' . $this->name . ']'; | |
572 | } else { | |
573 | $this->displayname = get_string('pluginname', $this->type . '_' . $this->name); | |
574 | } | |
575 | } | |
576 | ||
577 | /** | |
578 | * @see plugintype_interface::set_version_disk() | |
579 | */ | |
580 | public function set_version_disk() { | |
581 | ||
582 | if (empty($this->rootdir)) { | |
583 | return; | |
584 | } | |
585 | ||
586 | $versionfile = $this->rootdir . '/version.php'; | |
587 | ||
588 | if (is_readable($versionfile)) { | |
589 | include($versionfile); | |
590 | if (isset($plugin->version)) { | |
591 | $this->versiondisk = $plugin->version; | |
592 | } | |
593 | } | |
594 | } | |
595 | ||
596 | /** | |
597 | * @see plugintype_interface::set_version_db() | |
598 | */ | |
599 | public function set_version_db() { | |
600 | ||
601 | if ($ver = self::get_version_from_config_plugins($this->type . '_' . $this->name)) { | |
602 | $this->versiondb = $ver; | |
603 | } | |
604 | } | |
605 | ||
606 | /** | |
607 | * @see plugintype_interface::set_version_requires() | |
608 | */ | |
609 | public function set_version_requires() { | |
610 | ||
611 | if (empty($this->rootdir)) { | |
612 | return; | |
613 | } | |
614 | ||
615 | $versionfile = $this->rootdir . '/version.php'; | |
616 | ||
617 | if (is_readable($versionfile)) { | |
618 | include($versionfile); | |
619 | if (isset($plugin->requires)) { | |
620 | $this->versionrequires = $plugin->requires; | |
621 | } | |
622 | } | |
623 | } | |
624 | ||
625 | /** | |
626 | * @see plugintype_interface::set_source() | |
627 | */ | |
628 | public function set_source() { | |
629 | ||
630 | $standard = plugin_manager::standard_plugins_list($this->type); | |
631 | ||
632 | if ($standard !== false) { | |
633 | $standard = array_flip($standard); | |
634 | if (isset($standard[$this->name])) { | |
635 | $this->source = plugin_manager::PLUGIN_SOURCE_STANDARD; | |
636 | } else { | |
637 | $this->source = plugin_manager::PLUGIN_SOURCE_EXTENSION; | |
638 | } | |
639 | } | |
640 | } | |
641 | ||
642 | /** | |
643 | * @see plugintype_interface::is_standard() | |
644 | */ | |
645 | public function is_standard() { | |
646 | return $this->source === plugin_manager::PLUGIN_SOURCE_STANDARD; | |
647 | } | |
648 | ||
649 | /** | |
650 | * @see plugintype_interface::get_status() | |
651 | */ | |
652 | public function get_status() { | |
653 | ||
654 | if (is_null($this->versiondb) and is_null($this->versiondisk)) { | |
655 | return plugin_manager::PLUGIN_STATUS_NODB; | |
656 | ||
657 | } else if (is_null($this->versiondb) and !is_null($this->versiondisk)) { | |
658 | return plugin_manager::PLUGIN_STATUS_NEW; | |
659 | ||
660 | } else if (!is_null($this->versiondb) and is_null($this->versiondisk)) { | |
661 | return plugin_manager::PLUGIN_STATUS_MISSING; | |
662 | ||
663 | } else if ((string)$this->versiondb === (string)$this->versiondisk) { | |
664 | return plugin_manager::PLUGIN_STATUS_UPTODATE; | |
665 | ||
666 | } else if ($this->versiondb < $this->versiondisk) { | |
667 | return plugin_manager::PLUGIN_STATUS_UPGRADE; | |
668 | ||
669 | } else if ($this->versiondb > $this->versiondisk) { | |
670 | return plugin_manager::PLUGIN_STATUS_DOWNGRADE; | |
671 | ||
672 | } else { | |
673 | // $version = pi(); and similar funny jokes - hopefully Donald E. Knuth will never contribute to Moodle ;-) | |
674 | throw new coding_exception('Unable to determine plugin state, check the plugin versions'); | |
675 | } | |
676 | } | |
677 | ||
678 | /** | |
679 | * @see plugintype_interface::is_enabled() | |
680 | */ | |
681 | public function is_enabled() { | |
682 | return null; | |
683 | } | |
684 | ||
685 | /** | |
686 | * @see plugintype_interface::get_settings_url() | |
687 | */ | |
688 | public function get_settings_url() { | |
689 | return null; | |
690 | } | |
691 | ||
692 | /** | |
693 | * @see plugintype_interface::get_uninstall_url() | |
694 | */ | |
695 | public function get_uninstall_url() { | |
696 | return null; | |
697 | } | |
698 | ||
699 | /** | |
700 | * @see plugintype_interface::get_dir() | |
701 | */ | |
702 | public function get_dir() { | |
703 | global $CFG; | |
704 | ||
705 | return substr($this->rootdir, strlen($CFG->dirroot)); | |
706 | } | |
707 | ||
708 | /** | |
709 | * Provides access to plugin versions from {config_plugins} | |
710 | * | |
711 | * @param string $plugin plugin name | |
712 | * @param double $disablecache optional, defaults to false | |
713 | * @return int|false the stored value or false if not found | |
714 | */ | |
715 | protected function get_version_from_config_plugins($plugin, $disablecache=false) { | |
716 | global $DB; | |
717 | static $pluginversions = null; | |
718 | ||
719 | if (is_null($pluginversions) or $disablecache) { | |
720 | $pluginversions = $DB->get_records_menu('config_plugins', array('name' => 'version'), 'plugin', 'plugin,value'); | |
721 | } | |
722 | ||
723 | if (!array_key_exists($plugin, $pluginversions)) { | |
724 | return false; | |
725 | } | |
726 | ||
727 | return $pluginversions[$plugin]; | |
728 | } | |
729 | } | |
730 | ||
731 | /** | |
732 | * General class for all plugin types that do not have their own class | |
733 | */ | |
734 | class plugintype_general extends plugintype_base implements plugintype_interface { | |
735 | ||
736 | } | |
737 | ||
738 | /** | |
739 | * Class for page side blocks | |
740 | */ | |
741 | class plugintype_block extends plugintype_base implements plugintype_interface { | |
742 | ||
743 | /** | |
744 | * @see plugintype_interface::get_plugins() | |
745 | */ | |
746 | public static function get_plugins($type, $typerootdir, $typeclass) { | |
747 | ||
748 | // get the information about blocks at the disk | |
749 | $blocks = parent::get_plugins($type, $typerootdir, $typeclass); | |
750 | ||
751 | // add blocks missing from disk | |
752 | $blocksinfo = self::get_blocks_info(); | |
753 | foreach ($blocksinfo as $blockname => $blockinfo) { | |
754 | if (isset($blocks[$blockname])) { | |
755 | continue; | |
756 | } | |
757 | $plugin = new $typeclass(); | |
758 | $plugin->type = $type; | |
759 | $plugin->typerootdir = $typerootdir; | |
760 | $plugin->name = $blockname; | |
761 | $plugin->rootdir = null; | |
762 | $plugin->displayname = $blockname; | |
763 | $plugin->versiondb = $blockinfo->version; | |
764 | $plugin->set_source(); | |
765 | ||
766 | $blocks[$blockname] = $plugin; | |
767 | } | |
768 | ||
769 | return $blocks; | |
770 | } | |
771 | ||
772 | /** | |
773 | * @see plugintype_interface::set_display_name() | |
774 | */ | |
775 | public function set_display_name() { | |
776 | ||
777 | if (get_string_manager()->string_exists('pluginname', 'block_' . $this->name)) { | |
778 | $this->displayname = get_string('pluginname', 'block_' . $this->name); | |
779 | ||
780 | } else if (($block = block_instance($this->name)) !== false) { | |
781 | $this->displayname = $block->get_title(); | |
782 | ||
783 | } else { | |
784 | parent::set_display_name(); | |
785 | } | |
786 | } | |
787 | ||
788 | /** | |
789 | * @see plugintype_interface::set_version_db() | |
790 | */ | |
791 | public function set_version_db() { | |
792 | global $DB; | |
793 | ||
794 | $blocksinfo = self::get_blocks_info(); | |
795 | if (isset($blocksinfo[$this->name]->version)) { | |
796 | $this->versiondb = $blocksinfo[$this->name]->version; | |
797 | } | |
798 | } | |
799 | ||
800 | /** | |
801 | * @see plugintype_interface::is_enabled() | |
802 | */ | |
803 | public function is_enabled() { | |
804 | ||
805 | $blocksinfo = self::get_blocks_info(); | |
806 | if (isset($blocksinfo[$this->name]->visible)) { | |
807 | if ($blocksinfo[$this->name]->visible) { | |
808 | return true; | |
809 | } else { | |
810 | return false; | |
811 | } | |
812 | } else { | |
813 | return parent::is_enabled(); | |
814 | } | |
815 | } | |
816 | ||
817 | /** | |
818 | * @see plugintype_interface::get_settings_url() | |
819 | */ | |
820 | public function get_settings_url() { | |
821 | ||
822 | if (($block = block_instance($this->name)) === false) { | |
823 | return parent::get_settings_url(); | |
824 | ||
825 | } else if ($block->has_config()) { | |
826 | if (!empty($this->rootdir) and file_exists($this->rootdir . '/settings.php')) { | |
827 | return new moodle_url('/admin/settings.php', array('section' => 'blocksetting' . $this->name)); | |
828 | } else { | |
829 | $blocksinfo = self::get_blocks_info(); | |
830 | return new moodle_url('/admin/block.php', array('block' => $blocksinfo[$this->name]->id)); | |
831 | } | |
832 | ||
833 | } else { | |
834 | return parent::get_settings_url(); | |
835 | } | |
836 | } | |
837 | ||
838 | /** | |
839 | * @see plugintype_interface::get_uninstall_url() | |
840 | */ | |
841 | public function get_uninstall_url() { | |
842 | ||
843 | $blocksinfo = self::get_blocks_info(); | |
844 | return new moodle_url('/admin/blocks.php', array('delete' => $blocksinfo[$this->name]->id, 'sesskey' => sesskey())); | |
845 | } | |
846 | ||
847 | /** | |
848 | * Provides access to the records in {block} table | |
849 | * | |
850 | * @param bool $disablecache do not use internal static cache | |
851 | * @return array array of stdClasses | |
852 | */ | |
853 | protected static function get_blocks_info($disablecache=false) { | |
854 | global $DB; | |
855 | static $blocksinfocache = null; | |
856 | ||
857 | if (is_null($blocksinfocache) or $disablecache) { | |
858 | $blocksinfocache = $DB->get_records('block', null, 'name', 'name,id,version,visible'); | |
859 | } | |
860 | ||
861 | return $blocksinfocache; | |
862 | } | |
863 | } | |
864 | ||
865 | /** | |
866 | * Class for text filters | |
867 | */ | |
868 | class plugintype_filter extends plugintype_base implements plugintype_interface { | |
869 | ||
870 | /** | |
871 | * @see plugintype_interface::get_plugins() | |
872 | */ | |
873 | public static function get_plugins($type, $typerootdir, $typeclass) { | |
874 | global $CFG; | |
875 | ||
876 | $filters = array(); | |
877 | ||
878 | // get the list of filters from both /filter and /mod location | |
879 | $installed = filter_get_all_installed(); | |
880 | ||
881 | foreach ($installed as $filterlegacyname => $displayname) { | |
882 | $plugin = new $typeclass(); | |
883 | $plugin->type = $type; | |
884 | $plugin->typerootdir = $typerootdir; | |
885 | $plugin->name = self::normalize_legacy_name($filterlegacyname); | |
886 | $plugin->rootdir = $CFG->dirroot . '/' . $filterlegacyname; | |
887 | $plugin->displayname = $displayname; | |
888 | ||
889 | $plugin->set_version_disk(); | |
890 | $plugin->set_version_db(); | |
891 | $plugin->set_version_requires(); | |
892 | $plugin->set_source(); | |
893 | ||
894 | $filters[$plugin->name] = $plugin; | |
895 | } | |
896 | ||
897 | // make sure that all installed filters are registered | |
898 | $globalstates = self::get_global_states(); | |
899 | $needsreload = false; | |
900 | foreach (array_keys($installed) as $filterlegacyname) { | |
901 | if (!isset($globalstates[self::normalize_legacy_name($filterlegacyname)])) { | |
902 | filter_set_global_state($filterlegacyname, TEXTFILTER_DISABLED); | |
903 | $needsreload = true; | |
904 | } | |
905 | } | |
906 | if ($needsreload) { | |
907 | $globalstates = self::get_global_states(true); | |
908 | } | |
909 | ||
910 | // make sure that all registered filters are installed, just in case | |
911 | foreach ($globalstates as $name => $info) { | |
912 | if (!isset($filters[$name])) { | |
913 | // oops, there is a record in filter_active but the filter is not installed | |
914 | $plugin = new $typeclass(); | |
915 | $plugin->type = $type; | |
916 | $plugin->typerootdir = $typerootdir; | |
917 | $plugin->name = $name; | |
918 | $plugin->rootdir = $CFG->dirroot . '/' . $info->legacyname; | |
919 | $plugin->displayname = $info->legacyname; | |
920 | ||
921 | $plugin->set_version_db(); | |
922 | ||
923 | if (is_null($plugin->versiondb)) { | |
924 | // this is a hack to stimulate 'Missing from disk' error | |
925 | // because $plugin->versiondisk will be null !== false | |
926 | $plugin->versiondb = false; | |
927 | } | |
928 | ||
929 | $filters[$plugin->name] = $plugin; | |
930 | } | |
931 | } | |
932 | ||
933 | return $filters; | |
934 | } | |
935 | ||
936 | /** | |
937 | * @see plugintype_interface::set_display_name() | |
938 | */ | |
939 | public function set_display_name() { | |
940 | // do nothing, the name is set in self::get_plugins() | |
941 | } | |
942 | ||
943 | /** | |
944 | * @see plugintype_interface::set_version_disk() | |
945 | */ | |
946 | public function set_version_disk() { | |
947 | ||
948 | if (strpos($this->name, 'mod_') === 0) { | |
949 | // filters bundled with modules do not use versioning | |
950 | return; | |
951 | } | |
952 | ||
953 | return parent::set_version_disk(); | |
954 | } | |
955 | ||
956 | /** | |
957 | * @see plugintype_interface::set_version_requires() | |
958 | */ | |
959 | public function set_version_requires() { | |
960 | ||
961 | if (strpos($this->name, 'mod_') === 0) { | |
962 | // filters bundled with modules do not use versioning | |
963 | return; | |
964 | } | |
965 | ||
966 | return parent::set_version_requires(); | |
967 | } | |
968 | ||
969 | /** | |
970 | * @see plugintype_interface::is_enabled() | |
971 | */ | |
972 | public function is_enabled() { | |
973 | ||
974 | $globalstates = self::get_global_states(); | |
975 | ||
976 | foreach ($globalstates as $filterlegacyname => $info) { | |
977 | $name = self::normalize_legacy_name($filterlegacyname); | |
978 | if ($name === $this->name) { | |
979 | if ($info->active == TEXTFILTER_DISABLED) { | |
980 | return false; | |
981 | } else { | |
982 | // it may be 'On' or 'Off, but available' | |
983 | return null; | |
984 | } | |
985 | } | |
986 | } | |
987 | ||
988 | return null; | |
989 | } | |
990 | ||
991 | /** | |
992 | * @see plugintype_interface::get_settings_url() | |
993 | */ | |
994 | public function get_settings_url() { | |
995 | ||
996 | $globalstates = self::get_global_states(); | |
997 | $legacyname = $globalstates[$this->name]->legacyname; | |
998 | if (filter_has_global_settings($legacyname)) { | |
999 | return new moodle_url('/admin/settings.php', array('section' => 'filtersetting' . str_replace('/', '', $legacyname))); | |
1000 | } else { | |
1001 | return null; | |
1002 | } | |
1003 | } | |
1004 | ||
1005 | /** | |
1006 | * @see plugintype_interface::get_uninstall_url() | |
1007 | */ | |
1008 | public function get_uninstall_url() { | |
1009 | ||
1010 | if (strpos($this->name, 'mod_') === 0) { | |
1011 | return null; | |
1012 | } else { | |
1013 | $globalstates = self::get_global_states(); | |
1014 | $legacyname = $globalstates[$this->name]->legacyname; | |
1015 | return new moodle_url('/admin/filters.php', array('sesskey' => sesskey(), 'filterpath' => $legacyname, 'action' => 'delete')); | |
1016 | } | |
1017 | } | |
1018 | ||
1019 | /** | |
1020 | * Convert legacy filter names like 'filter/foo' or 'mod/bar' into frankenstyle | |
1021 | * | |
1022 | * @param string $legacyfiltername legacy filter name | |
1023 | * @return string frankenstyle-like name | |
1024 | */ | |
1025 | protected static function normalize_legacy_name($legacyfiltername) { | |
1026 | ||
1027 | $name = str_replace('/', '_', $legacyfiltername); | |
1028 | if (strpos($name, 'filter_') === 0) { | |
1029 | $name = substr($name, 7); | |
1030 | if (empty($name)) { | |
1031 | throw new coding_exception('Unable to determine filter name: ' . $legacyfiltername); | |
1032 | } | |
1033 | } | |
1034 | ||
1035 | return $name; | |
1036 | } | |
1037 | ||
1038 | /** | |
1039 | * Provides access to the results of {@link filter_get_global_states()} | |
1040 | * but indexed by the normalized filter name | |
1041 | * | |
1042 | * The legacy filter name is available as ->legacyname property. | |
1043 | * | |
1044 | * @param bool $disablecache | |
1045 | * @return array | |
1046 | */ | |
1047 | protected static function get_global_states($disablecache=false) { | |
1048 | global $DB; | |
1049 | static $globalstatescache = null; | |
1050 | ||
1051 | if ($disablecache or is_null($globalstatescache)) { | |
1052 | ||
1053 | if (!$DB->get_manager()->table_exists('filter_active')) { | |
1054 | // we're upgrading from 1.9 and the table used by {@link filter_get_global_states()} | |
1055 | // does not exist yet | |
1056 | $globalstatescache = array(); | |
1057 | ||
1058 | } else { | |
1059 | foreach (filter_get_global_states() as $legacyname => $info) { | |
1060 | $name = self::normalize_legacy_name($legacyname); | |
1061 | $filterinfo = new stdClass(); | |
1062 | $filterinfo->legacyname = $legacyname; | |
1063 | $filterinfo->active = $info->active; | |
1064 | $filterinfo->sortorder = $info->sortorder; | |
1065 | $globalstatescache[$name] = $filterinfo; | |
1066 | } | |
1067 | } | |
1068 | } | |
1069 | ||
1070 | return $globalstatescache; | |
1071 | } | |
1072 | } | |
1073 | ||
1074 | /** | |
1075 | * Class for activity modules | |
1076 | */ | |
1077 | class plugintype_mod extends plugintype_base implements plugintype_interface { | |
1078 | ||
1079 | /** | |
1080 | * @see plugintype_interface::get_plugins() | |
1081 | */ | |
1082 | public static function get_plugins($type, $typerootdir, $typeclass) { | |
1083 | ||
1084 | // get the information about plugins at the disk | |
1085 | $modules = parent::get_plugins($type, $typerootdir, $typeclass); | |
1086 | ||
1087 | // add modules missing from disk | |
1088 | $modulesinfo = self::get_modules_info(); | |
1089 | foreach ($modulesinfo as $modulename => $moduleinfo) { | |
1090 | if (isset($modules[$modulename])) { | |
1091 | continue; | |
1092 | } | |
1093 | $plugin = new $typeclass(); | |
1094 | $plugin->type = $type; | |
1095 | $plugin->typerootdir = $typerootdir; | |
1096 | $plugin->name = $modulename; | |
1097 | $plugin->rootdir = null; | |
1098 | $plugin->displayname = $modulename; | |
1099 | $plugin->versiondb = $moduleinfo->version; | |
1100 | $plugin->set_source(); | |
1101 | ||
1102 | $modules[$modulename] = $plugin; | |
1103 | } | |
1104 | ||
1105 | return $modules; | |
1106 | } | |
1107 | ||
1108 | /** | |
1109 | * @see plugintype_interface::set_display_name() | |
1110 | */ | |
1111 | public function set_display_name() { | |
1112 | if (get_string_manager()->string_exists('pluginname', $this->type . '_' . $this->name)) { | |
1113 | $this->displayname = get_string('pluginname', $this->type . '_' . $this->name); | |
1114 | } else { | |
1115 | $this->displayname = get_string('modulename', $this->type . '_' . $this->name); | |
1116 | } | |
1117 | } | |
1118 | ||
1119 | /** | |
1120 | * @see plugintype_interface::set_version_disk() | |
1121 | */ | |
1122 | public function set_version_disk() { | |
1123 | ||
1124 | if (empty($this->rootdir)) { | |
1125 | return; | |
1126 | } | |
1127 | ||
1128 | $versionfile = $this->rootdir . '/version.php'; | |
1129 | ||
1130 | if (is_readable($versionfile)) { | |
1131 | include($versionfile); | |
1132 | if (isset($module->version)) { | |
1133 | $this->versiondisk = $module->version; | |
1134 | } | |
1135 | } | |
1136 | } | |
1137 | ||
1138 | /** | |
1139 | * @see plugintype_interface::set_version_db() | |
1140 | */ | |
1141 | public function set_version_db() { | |
1142 | global $DB; | |
1143 | ||
1144 | $modulesinfo = self::get_modules_info(); | |
1145 | if (isset($modulesinfo[$this->name]->version)) { | |
1146 | $this->versiondb = $modulesinfo[$this->name]->version; | |
1147 | } | |
1148 | } | |
1149 | ||
1150 | /** | |
1151 | * @see plugintype_interface::set_version_requires() | |
1152 | */ | |
1153 | public function set_version_requires() { | |
1154 | ||
1155 | if (empty($this->rootdir)) { | |
1156 | return; | |
1157 | } | |
1158 | ||
1159 | $versionfile = $this->rootdir . '/version.php'; | |
1160 | ||
1161 | if (is_readable($versionfile)) { | |
1162 | include($versionfile); | |
1163 | if (isset($module->requires)) { | |
1164 | $this->versionrequires = $module->requires; | |
1165 | } | |
1166 | } | |
1167 | } | |
1168 | ||
1169 | /** | |
1170 | * @see plugintype_interface::is_enabled() | |
1171 | */ | |
1172 | public function is_enabled() { | |
1173 | ||
1174 | $modulesinfo = self::get_modules_info(); | |
1175 | if (isset($modulesinfo[$this->name]->visible)) { | |
1176 | if ($modulesinfo[$this->name]->visible) { | |
1177 | return true; | |
1178 | } else { | |
1179 | return false; | |
1180 | } | |
1181 | } else { | |
1182 | return parent::is_enabled(); | |
1183 | } | |
1184 | } | |
1185 | ||
1186 | /** | |
1187 | * @see plugintype_interface::get_settings_url() | |
1188 | */ | |
1189 | public function get_settings_url() { | |
1190 | ||
1191 | if (!empty($this->rootdir) and (file_exists($this->rootdir . '/settings.php') or file_exists($this->rootdir . '/settingstree.php'))) { | |
1192 | return new moodle_url('/admin/settings.php', array('section' => 'modsetting' . $this->name)); | |
1193 | } else { | |
1194 | return parent::get_settings_url(); | |
1195 | } | |
1196 | } | |
1197 | ||
1198 | /** | |
1199 | * @see plugintype_interface::get_uninstall_url() | |
1200 | */ | |
1201 | public function get_uninstall_url() { | |
1202 | ||
1203 | if ($this->name !== 'forum') { | |
1204 | return new moodle_url('/admin/modules.php', array('delete' => $this->name, 'sesskey' => sesskey())); | |
1205 | } else { | |
1206 | return null; | |
1207 | } | |
1208 | } | |
1209 | ||
1210 | /** | |
1211 | * Provides access to the records in {modules} table | |
1212 | * | |
1213 | * @param bool $disablecache do not use internal static cache | |
1214 | * @return array array of stdClasses | |
1215 | */ | |
1216 | protected static function get_modules_info($disablecache=false) { | |
1217 | global $DB; | |
1218 | static $modulesinfocache = null; | |
1219 | ||
1220 | if (is_null($modulesinfocache) or $disablecache) { | |
1221 | $modulesinfocache = $DB->get_records('modules', null, 'name', 'name,id,version,visible'); | |
1222 | } | |
1223 | ||
1224 | return $modulesinfocache; | |
1225 | } | |
1226 | } | |
1227 | ||
1228 | /** | |
1229 | * Class for question types | |
1230 | */ | |
1231 | class plugintype_qtype extends plugintype_base implements plugintype_interface { | |
1232 | ||
1233 | /** | |
1234 | * @see plugintype_interface::set_display_name() | |
1235 | */ | |
1236 | public function set_display_name() { | |
1237 | $this->displayname = get_string($this->name, 'qtype_' . $this->name); | |
1238 | } | |
1239 | } | |
1240 | ||
1241 | /** | |
1242 | * Class for question formats | |
1243 | */ | |
1244 | class plugintype_qformat extends plugintype_base implements plugintype_interface { | |
1245 | ||
1246 | /** | |
1247 | * @see plugintype_interface::set_display_name() | |
1248 | */ | |
1249 | public function set_display_name() { | |
1250 | $this->displayname = get_string($this->name, 'qformat_' . $this->name); | |
1251 | } | |
1252 | } | |
1253 | ||
1254 | /** | |
1255 | * Class for authentication plugins | |
1256 | */ | |
1257 | class plugintype_auth extends plugintype_base implements plugintype_interface { | |
1258 | ||
1259 | /** | |
1260 | * @see plugintype_interface::is_enabled() | |
1261 | */ | |
1262 | public function is_enabled() { | |
1263 | global $CFG; | |
1264 | /** @var null|array list of enabled authentication plugins */ | |
1265 | static $enabled = null; | |
1266 | ||
1267 | if (in_array($this->name, array('nologin', 'manual'))) { | |
1268 | // these two are always enabled and can't be disabled | |
1269 | return null; | |
1270 | } | |
1271 | ||
1272 | if (is_null($enabled)) { | |
1273 | $enabled = explode(',', $CFG->auth); | |
1274 | } | |
1275 | ||
1276 | return isset($enabled[$this->name]); | |
1277 | } | |
1278 | ||
1279 | /** | |
1280 | * @see plugintype_interface::get_settings_url() | |
1281 | */ | |
1282 | public function get_settings_url() { | |
1283 | ||
1284 | if (!empty($this->rootdir) and file_exists($this->rootdir . '/settings.php')) { | |
1285 | return new moodle_url('/admin/settings.php', array('section' => 'authsetting' . $this->name)); | |
1286 | } else { | |
1287 | return new moodle_url('/admin/auth_config.php', array('auth' => $this->name)); | |
1288 | } | |
1289 | } | |
1290 | } | |
1291 | ||
1292 | /** | |
1293 | * Class for enrolment plugins | |
1294 | */ | |
1295 | class plugintype_enrol extends plugintype_base implements plugintype_interface { | |
1296 | ||
1297 | /** | |
1298 | * We do not actually need whole enrolment classes here so we do not call | |
1299 | * {@link enrol_get_plugins()}. Note that this may produce slightly different | |
1300 | * results, for example if the enrolment plugin does not contain lib.php | |
1301 | * but it is listed in $CFG->enrol_plugins_enabled | |
1302 | * | |
1303 | * @see plugintype_interface::is_enabled() | |
1304 | */ | |
1305 | public function is_enabled() { | |
1306 | global $CFG; | |
1307 | /** @var null|array list of enabled enrolment plugins */ | |
1308 | static $enabled = null; | |
1309 | ||
1310 | if (is_null($enabled)) { | |
1311 | $enabled = explode(',', $CFG->enrol_plugins_enabled); | |
1312 | } | |
1313 | ||
1314 | return isset($enabled[$this->name]); | |
1315 | } | |
1316 | ||
1317 | /** | |
1318 | * @see plugintype_interface::get_settings_url() | |
1319 | */ | |
1320 | public function get_settings_url() { | |
1321 | ||
1322 | if ($this->is_enabled() or (!empty($this->rootdir) and file_exists($this->rootdir . '/settings.php'))) { | |
1323 | return new moodle_url('/admin/settings.php', array('section' => 'enrolsettings' . $this->name)); | |
1324 | } else { | |
1325 | return parent::get_settings_url(); | |
1326 | } | |
1327 | } | |
1328 | ||
1329 | /** | |
1330 | * @see plugintype_interface::get_uninstall_url() | |
1331 | */ | |
1332 | public function get_uninstall_url() { | |
1333 | return new moodle_url('/admin/enrol.php', array('action' => 'uninstall', 'enrol' => $this->name, 'sesskey' => sesskey())); | |
1334 | } | |
1335 | } | |
1336 | ||
1337 | /** | |
1338 | * Class for messaging processors | |
1339 | */ | |
1340 | class plugintype_message extends plugintype_base implements plugintype_interface { | |
1341 | ||
1342 | /** | |
1343 | * @see plugintype_interface::get_settings_url() | |
1344 | */ | |
1345 | public function get_settings_url() { | |
1346 | ||
1347 | if ($this->name === 'jabber') { | |
1348 | return new moodle_url('/admin/settings.php', array('section' => 'jabber')); | |
1349 | } | |
1350 | ||
1351 | if ($this->name === 'email') { | |
1352 | return new moodle_url('/admin/settings.php', array('section' => 'mail')); | |
1353 | } | |
1354 | ||
1355 | } | |
1356 | } | |
1357 | ||
1358 | /** | |
1359 | * Class for repositories | |
1360 | */ | |
1361 | class plugintype_repository extends plugintype_base implements plugintype_interface { | |
1362 | ||
1363 | /** | |
1364 | * @see plugintype_interface::is_enabled() | |
1365 | */ | |
1366 | public function is_enabled() { | |
1367 | ||
1368 | $enabled = self::get_enabled_repositories(); | |
1369 | ||
1370 | return isset($enabled[$this->name]); | |
1371 | } | |
1372 | ||
1373 | /** | |
1374 | * @see plugintype_interface::get_settings_url() | |
1375 | */ | |
1376 | public function get_settings_url() { | |
1377 | ||
1378 | if ($this->is_enabled()) { | |
1379 | return new moodle_url('/admin/repository.php', array('sesskey' => sesskey(), 'action' => 'edit', 'repos' => $this->name)); | |
1380 | } else { | |
1381 | return parent::get_settings_url(); | |
1382 | } | |
1383 | } | |
1384 | ||
1385 | /** | |
1386 | * Provides access to the records in {repository} table | |
1387 | * | |
1388 | * @param bool $disablecache do not use internal static cache | |
1389 | * @return array array of stdClasses | |
1390 | */ | |
1391 | protected static function get_enabled_repositories($disablecache=false) { | |
1392 | global $DB; | |
1393 | static $repositories = null; | |
1394 | ||
1395 | if (is_null($repositories) or $disablecache) { | |
1396 | $repositories = $DB->get_records('repository', null, 'type', 'type,visible,sortorder'); | |
1397 | } | |
1398 | ||
1399 | return $repositories; | |
1400 | } | |
1401 | } | |
1402 | ||
1403 | /** | |
1404 | * Class for portfolios | |
1405 | */ | |
1406 | class plugintype_portfolio extends plugintype_base implements plugintype_interface { | |
1407 | ||
1408 | /** | |
1409 | * @see plugintype_interface::is_enabled() | |
1410 | */ | |
1411 | public function is_enabled() { | |
1412 | ||
1413 | $enabled = self::get_enabled_portfolios(); | |
1414 | ||
1415 | return isset($enabled[$this->name]); | |
1416 | } | |
1417 | ||
1418 | /** | |
1419 | * Provides access to the records in {portfolio_instance} table | |
1420 | * | |
1421 | * @param bool $disablecache do not use internal static cache | |
1422 | * @return array array of stdClasses | |
1423 | */ | |
1424 | protected static function get_enabled_portfolios($disablecache=false) { | |
1425 | global $DB; | |
1426 | static $portfolios = null; | |
1427 | ||
1428 | if (is_null($portfolios) or $disablecache) { | |
1429 | $portfolios = array(); | |
1430 | $instances = $DB->get_recordset('portfolio_instance', null, 'plugin'); | |
1431 | foreach ($instances as $instance) { | |
1432 | if (isset($portfolios[$instance->plugin])) { | |
1433 | if ($instance->visible) { | |
1434 | $portfolios[$instance->plugin]->visible = $instance->visible; | |
1435 | } | |
1436 | } else { | |
1437 | $portfolios[$instance->plugin] = $instance; | |
1438 | } | |
1439 | } | |
1440 | } | |
1441 | ||
1442 | return $portfolios; | |
1443 | } | |
1444 | } | |
1445 | ||
1446 | /** | |
1447 | * Class for themes | |
1448 | */ | |
1449 | class plugintype_theme extends plugintype_base implements plugintype_interface { | |
1450 | ||
1451 | /** | |
1452 | * @see plugintype_interface::is_enabled() | |
1453 | */ | |
1454 | public function is_enabled() { | |
1455 | global $CFG; | |
1456 | ||
1457 | if ((!empty($CFG->theme) and $CFG->theme === $this->name) or | |
1458 | (!empty($CFG->themelegacy) and $CFG->themelegacy === $this->name)) { | |
1459 | return true; | |
1460 | } else { | |
1461 | return parent::is_enabled(); | |
1462 | } | |
1463 | } | |
1464 | } | |
1465 | ||
1466 | /** | |
1467 | * Class representing an MNet service | |
1468 | */ | |
1469 | class plugintype_mnetservice extends plugintype_base implements plugintype_interface { | |
1470 | ||
1471 | /** | |
1472 | * @see plugintype_interface::is_enabled() | |
1473 | */ | |
1474 | public function is_enabled() { | |
1475 | global $CFG; | |
1476 | ||
1477 | if (empty($CFG->mnet_dispatcher_mode) || $CFG->mnet_dispatcher_mode !== 'strict') { | |
1478 | return false; | |
1479 | } else { | |
1480 | return parent::is_enabled(); | |
1481 | } | |
1482 | } | |
1483 | } |