plugin_manager.php 45.3 KB
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            'cachelock' => array(
                'file'
            ),

            'cachestore' => array(
                'file', 'memcache', 'memcached', 'mongodb', 'session', 'static'
            ),

            'calendartype' => array(
                'gregorian'
            ),

            'coursereport' => array(
                // Deprecated!
            ),

            'datafield' => array(
                'checkbox', 'date', 'file', 'latlong', 'menu', 'multimenu',
                'number', 'picture', 'radiobutton', 'text', 'textarea', 'url'
            ),

            'datapreset' => array(
                'imagegallery'
            ),

            'editor' => array(
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                'atto', 'textarea', 'tinymce'
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            ),

            'enrol' => array(
                'category', 'cohort', 'database', 'flatfile',
                'guest', 'imsenterprise', 'ldap', 'manual', 'meta', 'mnet',
                'paypal', 'self'
            ),

            'filter' => array(
                'activitynames', 'algebra', 'censor', 'emailprotect',
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                'emoticon', 'mathjaxloader', 'mediaplugin', 'multilang', 'tex', 'tidy',
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                'urltolink', 'data', 'glossary'
            ),

            'format' => array(
                'singleactivity', 'social', 'topics', 'weeks'
            ),

            'gradeexport' => array(
                'ods', 'txt', 'xls', 'xml'
            ),

            'gradeimport' => array(
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                'csv', 'direct', 'xml'
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            ),

            'gradereport' => array(
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                'grader', 'history', 'outcomes', 'overview', 'user', 'singleview'
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            ),

            'gradingform' => array(
                'rubric', 'guide'
            ),

            'local' => array(
            ),

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            'logstore' => array(
                'database', 'legacy', 'standard',
            ),

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            'ltiservice' => array(
                'profile', 'toolproxy', 'toolsettings'
            ),

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            'message' => array(
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                'airnotifier', 'email', 'jabber', 'popup'
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            ),

            'mnetservice' => array(
                'enrol'
            ),

            'mod' => array(
                'assign', 'assignment', 'book', 'chat', 'choice', 'data', 'feedback', 'folder',
                'forum', 'glossary', 'imscp', 'label', 'lesson', 'lti', 'page',
                'quiz', 'resource', 'scorm', 'survey', 'url', 'wiki', 'workshop'
            ),

            'plagiarism' => array(
            ),

            'portfolio' => array(
                'boxnet', 'download', 'flickr', 'googledocs', 'mahara', 'picasa'
            ),

            'profilefield' => array(
                'checkbox', 'datetime', 'menu', 'text', 'textarea'
            ),

            'qbehaviour' => array(
                'adaptive', 'adaptivenopenalty', 'deferredcbm',
                'deferredfeedback', 'immediatecbm', 'immediatefeedback',
                'informationitem', 'interactive', 'interactivecountback',
                'manualgraded', 'missing'
            ),

            'qformat' => array(
                'aiken', 'blackboard_six', 'examview', 'gift',
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                'missingword', 'multianswer', 'webct',
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                'xhtml', 'xml'
            ),

            'qtype' => array(
                'calculated', 'calculatedmulti', 'calculatedsimple',
                'description', 'essay', 'match', 'missingtype', 'multianswer',
                'multichoice', 'numerical', 'random', 'randomsamatch',
                'shortanswer', 'truefalse'
            ),

            'quiz' => array(
                'grading', 'overview', 'responses', 'statistics'
            ),

            'quizaccess' => array(
                'delaybetweenattempts', 'ipaddress', 'numattempts', 'openclosedate',
                'password', 'safebrowser', 'securewindow', 'timelimit'
            ),

            'report' => array(
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                'backups', 'completion', 'configlog', 'courseoverview', 'eventlist',
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                'log', 'loglive', 'outline', 'participation', 'progress', 'questioninstances', 'security', 'stats', 'performance',
                'usersessions',
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            ),

            'repository' => array(
                'alfresco', 'areafiles', 'boxnet', 'coursefiles', 'dropbox', 'equella', 'filesystem',
                'flickr', 'flickr_public', 'googledocs', 'local', 'merlot',
                'picasa', 'recent', 'skydrive', 's3', 'upload', 'url', 'user', 'webdav',
                'wikimedia', 'youtube'
            ),

            'scormreport' => array(
                'basic',
                'interactions',
                'graphs',
                'objectives'
            ),

            'tinymce' => array(
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                'ctrlhelp', 'managefiles', 'moodleemoticon', 'moodleimage',
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                'moodlemedia', 'moodlenolink', 'pdw', 'spellchecker', 'wrap'
            ),

            'theme' => array(
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                'base', 'bootstrapbase', 'canvas', 'clean', 'more'
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            ),

            'tool' => array(
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                'assignmentupgrade', 'availabilityconditions', 'behat', 'capability', 'customlang',
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                'dbtransfer', 'filetypes', 'generator', 'health', 'innodb', 'installaddon',
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                'langimport', 'log', 'messageinbound', 'multilangupgrade', 'monitor', 'phpunit', 'profiling',
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                'replace', 'spamcleaner', 'task', 'templatelibrary',
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                'unittest', 'uploadcourse', 'uploaduser', 'unsuproles', 'xmldb'
            ),

            'webservice' => array(
                'amf', 'rest', 'soap', 'xmlrpc'
            ),

            'workshopallocation' => array(
                'manual', 'random', 'scheduled'
            ),

            'workshopeval' => array(
                'best'
            ),

            'workshopform' => array(
                'accumulative', 'comments', 'numerrors', 'rubric'
            )
        );

        if (isset($standard_plugins[$type])) {
            return $standard_plugins[$type];
        } else {
            return false;
        }
    }

    /**
     * Reorders plugin types into a sequence to be displayed
     *
     * For technical reasons, plugin types returned by {@link core_component::get_plugin_types()} are
     * in a certain order that does not need to fit the expected order for the display.
     * Particularly, activity modules should be displayed first as they represent the
     * real heart of Moodle. They should be followed by other plugin types that are
     * used to build the courses (as that is what one expects from LMS). After that,
     * other supportive plugin types follow.
     *
     * @param array $types associative array
     * @return array same array with altered order of items
     */
    protected function reorder_plugin_types(array $types) {
        $fix = array('mod' => $types['mod']);
        foreach (core_component::get_plugin_list('mod') as $plugin => $fulldir) {
            if (!$subtypes = core_component::get_subplugins('mod_'.$plugin)) {
                continue;
            }
            foreach ($subtypes as $subtype => $ignored) {
                $fix[$subtype] = $types[$subtype];
            }
        }

        $fix['mod']        = $types['mod'];
        $fix['block']      = $types['block'];
        $fix['qtype']      = $types['qtype'];
        $fix['qbehaviour'] = $types['qbehaviour'];
        $fix['qformat']    = $types['qformat'];
        $fix['filter']     = $types['filter'];

        $fix['editor']     = $types['editor'];
        foreach (core_component::get_plugin_list('editor') as $plugin => $fulldir) {
            if (!$subtypes = core_component::get_subplugins('editor_'.$plugin)) {
                continue;
            }
            foreach ($subtypes as $subtype => $ignored) {
                $fix[$subtype] = $types[$subtype];
            }
        }

        $fix['enrol'] = $types['enrol'];
        $fix['auth']  = $types['auth'];
        $fix['tool']  = $types['tool'];
        foreach (core_component::get_plugin_list('tool') as $plugin => $fulldir) {
            if (!$subtypes = core_component::get_subplugins('tool_'.$plugin)) {
                continue;
            }
            foreach ($subtypes as $subtype => $ignored) {
                $fix[$subtype] = $types[$subtype];
            }
        }

        foreach ($types as $type => $path) {
            if (!isset($fix[$type])) {
                $fix[$type] = $path;
            }
        }
        return $fix;
    }

    /**
     * Check if the given directory can be removed by the web server process.
     *
     * This recursively checks that the given directory and all its contents
     * it writable.
     *
     * @param string $fullpath
     * @return boolean
     */
    protected function is_directory_removable($fullpath) {

        if (!is_writable($fullpath)) {
            return false;
        }

        if (is_dir($fullpath)) {
            $handle = opendir($fullpath);
        } else {
            return false;
        }

        $result = true;

        while ($filename = readdir($handle)) {

            if ($filename === '.' or $filename === '..') {
                continue;
            }

            $subfilepath = $fullpath.'/'.$filename;

            if (is_dir($subfilepath)) {
                $result = $result && $this->is_directory_removable($subfilepath);

            } else {
                $result = $result && is_writable($subfilepath);
            }
        }

        closedir($handle);

        return $result;
    }

    /**
     * Helper method that implements common uninstall prerequisites
     *
     * @param \core\plugininfo\base $pluginfo
     * @return bool
     */
    protected function common_uninstall_check(\core\plugininfo\base $pluginfo) {

        if (!$pluginfo->is_uninstall_allowed()) {
            // The plugin's plugininfo class declares it should not be uninstalled.
            return false;
        }

        if ($pluginfo->get_status() === self::PLUGIN_STATUS_NEW) {
            // The plugin is not installed. It should be either installed or removed from the disk.
            // Relying on this temporary state may be tricky.
            return false;
        }

        if (method_exists($pluginfo, 'get_uninstall_url') and is_null($pluginfo->get_uninstall_url())) {
            // Backwards compatibility.
            debugging('\core\plugininfo\base subclasses should use is_uninstall_allowed() instead of returning null in get_uninstall_url()',
                DEBUG_DEVELOPER);
            return false;
        }

        return true;
    }
}
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