bbb_view.php ➔ bigbluebuttonbn_bbb_view_join_meeting() - Code Metrics - blindsidenetworks/moodle-mod_bigbluebuttonbn - Measure and Improve Code Quality continuously with Scrutinizer

bbb_view.php ➔ bigbluebuttonbn_bbb_view_join_meeting() B
last analyzed 2021-03-22 14:43 UTC

↳ Parent: Project

Complexity

Conditions	6
Paths	3

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	6
nc	3
nop	3
dl	0
loc	28
rs	8.8497
c	0
b	0
f	0

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * View for BigBlueButton interaction.
 *
 * @package   mod_bigbluebuttonbn
 * @copyright 2010 onwards, Blindside Networks Inc
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 * @author    Jesus Federico  (jesus [at] blindsidenetworks [dt] com)
 */

require_once(dirname(dirname(dirname(__FILE__))).'/config.php');
require_once(dirname(__FILE__).'/locallib.php');

global $SESSION;

$action = required_param('action', PARAM_TEXT);
$id = optional_param('id', 0, PARAM_INT);
$bn = optional_param('bn', 0, PARAM_INT);
$href = optional_param('href', '', PARAM_TEXT);
$mid = optional_param('mid', '', PARAM_TEXT);
$rid = optional_param('rid', '', PARAM_TEXT);
$rtype = optional_param('rtype', 'presentation', PARAM_TEXT);
$errors = optional_param('errors', '', PARAM_TEXT);
$timeline = optional_param('timeline', 0, PARAM_INT);
$index = optional_param('index', 0, PARAM_INT);
$group = optional_param('group', -1, PARAM_INT);

$bbbviewinstance = bigbluebuttonbn_view_validator($id, $bn);
if (!$bbbviewinstance) {
    print_error(get_string('view_error_url_missing_parameters', 'bigbluebuttonbn'));
}

$cm = $bbbviewinstance['cm'];
$course = $bbbviewinstance['course'];
$bigbluebuttonbn = $bbbviewinstance['bigbluebuttonbn'];
$context = context_module::instance($cm->id);

require_login($course, true, $cm);

$bbbsession = null;
if (isset($SESSION->bigbluebuttonbn_bbbsession)) {
    $bbbsession = $SESSION->bigbluebuttonbn_bbbsession;
}

if ($timeline || $index) {
    // Validates if the BigBlueButton server is working.
    $serverversion = bigbluebuttonbn_get_server_version();
    if (is_null($serverversion)) {
        if ($bbbsession['administrator']) {
            print_error('view_error_unable_join', 'bigbluebuttonbn',
                $CFG->wwwroot.'/admin/settings.php?section=modsettingbigbluebuttonbn');
            exit;
        }
        if ($bbbsession['moderator']) {
            print_error('view_error_unable_join_teacher', 'bigbluebuttonbn',
                $CFG->wwwroot.'/course/view.php?id='.$bigbluebuttonbn->course);
            exit;
        }
        print_error('view_error_unable_join_student', 'bigbluebuttonbn',
            $CFG->wwwroot.'/course/view.php?id='.$bigbluebuttonbn->course);
        exit;
    }

    $bbbsession = mod_bigbluebuttonbn\locallib\bigbluebutton::build_bbb_session($cm, $course, $bigbluebuttonbn);

    // Check status and set extra values.
    $activitystatus = bigbluebuttonbn_view_get_activity_status($bbbsession);
    if ($activitystatus == 'ended') {

        $bbbsession['presentation'] = bigbluebuttonbn_get_presentation_array(
            $bbbsession['context'], $bbbsession['bigbluebuttonbn']->presentation);
    } else if ($activitystatus == 'open') {
        $bbbsession['presentation'] = bigbluebuttonbn_get_presentation_array(
            $bbbsession['context'], $bbbsession['bigbluebuttonbn']->presentation, $bbbsession['bigbluebuttonbn']->id);
    }

    // Check group.
    if ($group >= 0) {
        $bbbsession['group'] = $group;
        $groupname = get_string('allparticipants');
        if ($bbbsession['group'] != 0) {
            $groupname = groups_get_group_name($bbbsession['group']);
        }

        // Assign group default values.
        $bbbsession['meetingid'] .= '['.$bbbsession['group'].']';
        $bbbsession['meetingname'] .= ' ('.$groupname.')';
    }

    // Initialize session variable used across views.
    $SESSION->bigbluebuttonbn_bbbsession = $bbbsession;
}

// Print the page header.
$PAGE->set_context($context);
$PAGE->set_url('/mod/bigbluebuttonbn/bbb_view.php', array('id' => $cm->id, 'bigbluebuttonbn' => $bigbluebuttonbn->id));
$PAGE->set_title(format_string($bigbluebuttonbn->name));
$PAGE->set_cacheable(false);
$PAGE->set_heading($course->fullname);
$PAGE->blocks->show_only_fake_blocks();

switch (strtolower($action)) {
    case 'logout':
        if (isset($errors) && $errors != '') {
            bigbluebuttonbn_bbb_view_errors($errors, $id);
            break;
        }
        if (is_null($bbbsession)) {
            bigbluebuttonbn_bbb_view_close_window_manually();
            break;
        }
        // Moodle event logger: Create an event for meeting left.
        bigbluebuttonbn_event_log(\mod_bigbluebuttonbn\event\events::$events['meeting_left'], $bigbluebuttonbn);
        // Update the cache.
        $meetinginfo = bigbluebuttonbn_get_meeting_info($bbbsession['meetingid'], BIGBLUEBUTTONBN_UPDATE_CACHE);
        // Check the origin page.
        $select = "userid = ? AND log = ?";
        $params = array(
                'userid' => $bbbsession['userID'],
                'log' => BIGBLUEBUTTONBN_LOG_EVENT_JOIN,
            );
        $accesses = $DB->get_records_select('bigbluebuttonbn_logs', $select, $params, 'id ASC', 'id, meta', 1);
        $lastaccess = end($accesses);
        $lastaccess = json_decode($lastaccess->meta);
        // If the user acceded from Timeline it should be redirected to the Dashboard.
        if (isset($lastaccess->origin) && $lastaccess->origin == BIGBLUEBUTTON_ORIGIN_TIMELINE) {
            redirect($CFG->wwwroot . '/my/');
        }
        // Close the tab or window where BBB was opened.
        bigbluebuttonbn_bbb_view_close_window();
        break;
    case 'join':
        if (is_null($bbbsession)) {
            print_error('view_error_unable_join', 'bigbluebuttonbn');
            break;
        }
        // Check the origin page.
        $origin = BIGBLUEBUTTON_ORIGIN_BASE;
        if ($timeline) {
            $origin = BIGBLUEBUTTON_ORIGIN_TIMELINE;
        } else if ($index) {
            $origin = BIGBLUEBUTTON_ORIGIN_INDEX;
        }
        // See if the session is in progress.
        if (bigbluebuttonbn_is_meeting_running($bbbsession['meetingid'])) {
            // Since the meeting is already running, we just join the session.
            bigbluebuttonbn_bbb_view_join_meeting($bbbsession, $bigbluebuttonbn, $origin);
            break;
        }
        // If user is not administrator nor moderator (user is steudent) and waiting is required.
        if (!$bbbsession['administrator'] && !$bbbsession['moderator'] && $bbbsession['wait']) {
            header('Location: '.$bbbsession['logoutURL']);
            break;
        }
        // As the meeting doesn't exist, try to create it.
        $response = bigbluebuttonbn_get_create_meeting_array(
            bigbluebuttonbn_bbb_view_create_meeting_data($bbbsession),
            bigbluebuttonbn_bbb_view_create_meeting_metadata($bbbsession),
            $bbbsession['presentation']['name'],
            $bbbsession['presentation']['url']
        );
        if (empty($response)) {
            // The server is unreachable.
            if ($bbbsession['administrator']) {
                print_error('view_error_unable_join', 'bigbluebuttonbn',
                    $CFG->wwwroot.'/admin/settings.php?section=modsettingbigbluebuttonbn');
                break;
            }
            if ($bbbsession['moderator']) {
                print_error('view_error_unable_join_teacher', 'bigbluebuttonbn',
                    $CFG->wwwroot.'/admin/settings.php?section=modsettingbigbluebuttonbn');
                break;
            }
            print_error('view_error_unable_join_student', 'bigbluebuttonbn',
                $CFG->wwwroot.'/admin/settings.php?section=modsettingbigbluebuttonbn');
            break;
        }
        if ($response['returncode'] == 'FAILED') {
            // The meeting was not created.
            if (!$printerrorkey) {
                print_error($response['message'], 'bigbluebuttonbn');
                break;
            }
            $printerrorkey = bigbluebuttonbn_get_error_key($response['messageKey'], 'view_error_create');
            print_error($printerrorkey, 'bigbluebuttonbn');
            break;
        }
        if ($response['hasBeenForciblyEnded'] == 'true') {
            print_error(get_string('index_error_forciblyended', 'bigbluebuttonbn'));
            break;
        }
        // Moodle event logger: Create an event for meeting created.
        bigbluebuttonbn_event_log(\mod_bigbluebuttonbn\event\events::$events['meeting_create'], $bigbluebuttonbn);
        // Internal logger: Insert a record with the meeting created.
        $overrides = array('meetingid' => $bbbsession['meetingid']);
        $meta = '{"record":'.($bbbsession['record'] ? 'true' : 'false').'}';
        bigbluebuttonbn_log($bbbsession['bigbluebuttonbn'], BIGBLUEBUTTONBN_LOG_EVENT_CREATE, $overrides, $meta);
        // Since the meeting is already running, we just join the session.
        bigbluebuttonbn_bbb_view_join_meeting($bbbsession, $bigbluebuttonbn, $origin);
        break;
    case 'play':
        $href = bigbluebuttonbn_bbb_view_playback_href($href, $mid, $rid, $rtype);
        // Moodle event logger: Create an event for meeting left.
        bigbluebuttonbn_event_log(\mod_bigbluebuttonbn\event\events::$events['recording_play'], $bigbluebuttonbn,
            ['other' => $rid]);
        // Internal logger: Instert a record with the playback played.
        $overrides = array('meetingid' => $bbbsession['meetingid']);
        bigbluebuttonbn_log($bbbsession['bigbluebuttonbn'], BIGBLUEBUTTONBN_LOG_EVENT_PLAYED, $overrides);
        // Execute the redirect.
        header('Location: '.urldecode($href));
        break;
    default:
        bigbluebuttonbn_bbb_view_close_window();
}

/**
 * Helper for getting the playback url that corresponds to an specific type.
 *
 * @param  string   $href
 * @param  string   $mid
 * @param  string   $rid
 * @param  string   $rtype
 * @return string
 */
function bigbluebuttonbn_bbb_view_playback_href($href, $mid, $rid, $rtype) {
    if ($href != '' || $mid == '' || $rid == '') {
        return $href;
    }
    $recordings = bigbluebuttonbn_get_recordings_array($mid, $rid);
    if (empty($recordings)) {
        return '';
    }
    return bigbluebuttonbn_bbb_view_playback_href_lookup($recordings[$rid]['playbacks'], $rtype);
}

/**
 * Helper for looking up playback url in the recording playback array.
 *
 * @param  array    $playbacks
 * @param  string   $type
 * @return string
 */
function bigbluebuttonbn_bbb_view_playback_href_lookup($playbacks, $type) {
    foreach ($playbacks as $playback) {
        if ($playback['type'] == $type) {
            return $playback['url'];
        }
    }
    return '';
}

/**
 * Helper for closing the tab or window when the user lefts the meeting.
 *
 * @return string
 */
function bigbluebuttonbn_bbb_view_close_window() {
    global $OUTPUT, $PAGE;
    echo $OUTPUT->header();
    $PAGE->requires->yui_module('moodle-mod_bigbluebuttonbn-rooms', 'M.mod_bigbluebuttonbn.rooms.windowClose');
    echo $OUTPUT->footer();
}

/**
 * Helper for showing a message when the tab or window can not be closed.
 *
 * @return string
 */
function bigbluebuttonbn_bbb_view_close_window_manually() {
    echo get_string('view_message_tab_close', 'bigbluebuttonbn');
}

/**
 * Helper for preparing data used for creating the meeting.
 *
 * @param  array    $bbbsession
 * @return object
 */
function bigbluebuttonbn_bbb_view_create_meeting_data(&$bbbsession) {
    $data = ['meetingID' => $bbbsession['meetingid'],
              'name' => bigbluebuttonbn_html2text($bbbsession['meetingname'], 64),
              'attendeePW' => $bbbsession['viewerPW'],
              'moderatorPW' => $bbbsession['modPW'],
              'logoutURL' => $bbbsession['logoutURL'],
            ];
    $data['record'] = bigbluebuttonbn_bbb_view_create_meeting_data_record($bbbsession['record']);
    // Check if auto_start_record is enable.
    if ($data['record'] == 'true' && $bbbsession['recordallfromstart']) {

        $data['autoStartRecording'] = 'true';
        // Check if hide_record_button is enable.
        if ($bbbsession['recordhidebutton']) {
            $data['allowStartStopRecording'] = 'false';
        }
    }

    $data['welcome'] = trim($bbbsession['welcome']);
    // Set the duration for the meeting.
    $durationtime = bigbluebuttonbn_bbb_view_create_meeting_data_duration($bbbsession['bigbluebuttonbn']->closingtime);
    if ($durationtime > 0) {

        $data['duration'] = $durationtime;
        $data['welcome'] .= '<br><br>';
        $data['welcome'] .= str_replace(
            '%duration%',
            (string) $durationtime,
            get_string('bbbdurationwarning', 'bigbluebuttonbn')
          );
    }
    $voicebridge = intval($bbbsession['voicebridge']);
    if ($voicebridge > 0 && $voicebridge < 79999) {
        $data['voiceBridge'] = $voicebridge;
    }
    $maxparticipants = intval($bbbsession['userlimit']);
    if ($maxparticipants > 0) {
        $data['maxParticipants'] = $maxparticipants;
    }
    if ($bbbsession['muteonstart']) {
        $data['muteOnStart'] = 'true';
    }
    // Lock settings.
    if ($bbbsession['disablecam']) {
        $data['lockSettingsDisableCam'] = 'true';
    }
    if ($bbbsession['disablemic']) {
        $data['lockSettingsDisableMic'] = 'true';
    }
    if ($bbbsession['disableprivatechat']) {
        $data['lockSettingsDisablePrivateChat'] = 'true';
    }
    if ($bbbsession['disablepublicchat']) {
        $data['lockSettingsDisablePublicChat'] = 'true';
    }
    if ($bbbsession['disablenote']) {
        $data['lockSettingsDisableNote'] = 'true';
    }
    if ($bbbsession['hideuserlist']) {
        $data['lockSettingsHideUserList'] = 'true';
    }
    if ($bbbsession['lockedlayout']) {
        $data['lockSettingsLockedLayout'] = 'true';
    }
    if ($bbbsession['lockonjoin']) {
        $data['lockSettingsLockOnJoin'] = 'false';
    }
    if ($bbbsession['lockonjoinconfigurable']) {
        $data['lockSettingsLockOnJoinConfigurable'] = 'true';
    }
    return $data;
}

/**
 * Helper for returning the flag to know if the meeting is recorded.
 *
 * @param  boolean    $record
 * @return string
 */
function bigbluebuttonbn_bbb_view_create_meeting_data_record($record) {
    if ((boolean)\mod_bigbluebuttonbn\locallib\config::recordings_enabled() && $record) {
        return 'true';
    }
    return 'false';
}

/**
 * Helper for returning the duration expected for the meeting.
 *
 * @param  string    $closingtime
 * @return integer
 */
function bigbluebuttonbn_bbb_view_create_meeting_data_duration($closingtime) {
    if ((boolean)\mod_bigbluebuttonbn\locallib\config::get('scheduled_duration_enabled')) {
        return bigbluebuttonbn_get_duration($closingtime);
    }
    return 0;
}

/**
 * Helper for preparing metadata used while creating the meeting.
 *
 * @param  array    $bbbsession
 * @return array
 */
function bigbluebuttonbn_bbb_view_create_meeting_metadata(&$bbbsession) {
    return bigbluebuttonbn_create_meeting_metadata($bbbsession);
}

/**
 * Helper for preparing data used while joining the meeting.
 *
 * @param array    $bbbsession
 * @param object   $bigbluebuttonbn
 * @param integer  $origin
 */
function bigbluebuttonbn_bbb_view_join_meeting($bbbsession, $bigbluebuttonbn, $origin = 0) {
    // Update the cache.
    $meetinginfo = bigbluebuttonbn_get_meeting_info($bbbsession['meetingid'], BIGBLUEBUTTONBN_UPDATE_CACHE);
    if ($bbbsession['userlimit'] > 0 && intval($meetinginfo['participantCount']) >= $bbbsession['userlimit']) {
        // No more users allowed to join.
        header('Location: '.$bbbsession['logoutURL']);
        return;
    }
    // Build the URL.
    $password = $bbbsession['viewerPW'];
    if ($bbbsession['administrator'] || $bbbsession['moderator']) {
        $password = $bbbsession['modPW'];
    }
    $bbbsession['createtime'] = $meetinginfo['createTime'];
    $joinurl = bigbluebuttonbn_get_join_url($bbbsession['meetingid'], $bbbsession['username'],
        $password, $bbbsession['logoutURL'], null, $bbbsession['userID'], $bbbsession['clienttype'], $bbbsession['createtime']);
    // Moodle event logger: Create an event for meeting joined.
    bigbluebuttonbn_event_log(\mod_bigbluebuttonbn\event\events::$events['meeting_join'], $bigbluebuttonbn);
    // Internal logger: Instert a record with the meeting created.
    $overrides = array('meetingid' => $bbbsession['meetingid']);
    $meta = '{"origin":'.$origin.'}';
    bigbluebuttonbn_log($bbbsession['bigbluebuttonbn'], BIGBLUEBUTTONBN_LOG_EVENT_JOIN, $overrides, $meta);
    // Before executing the redirect, increment the number of participants.
    bigbluebuttonbn_participant_joined($bbbsession['meetingid'],
        ($bbbsession['administrator'] || $bbbsession['moderator']));
    // Execute the redirect.
    header('Location: '.$joinurl);
}

/**
 * Helper for showinf error messages if any.
 *
 * @param  string   $serrors
 * @param  string   $id
 * @return string
 */
function bigbluebuttonbn_bbb_view_errors($serrors, $id) {
    global $CFG, $OUTPUT;
    $errors = (array) json_decode(urldecode($serrors));
    $msgerrors = '';
    foreach ($errors as $error) {
        $msgerrors .= html_writer::tag('p', $error->{'message'}, array('class' => 'alert alert-danger'))."\n";
    }
    echo $OUTPUT->header();
    print_error('view_error_bigbluebutton', 'bigbluebuttonbn',
        $CFG->wwwroot.'/mod/bigbluebuttonbn/view.php?id='.$id, $msgerrors, $serrors);
    echo $OUTPUT->footer();
}


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		* View for BigBlueButton interaction.
19		*
20		* @package mod_bigbluebuttonbn
21		* @copyright 2010 onwards, Blindside Networks Inc
22		* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
23		* @author Jesus Federico (jesus [at] blindsidenetworks [dt] com)
24		*/
25
26		require_once(dirname(dirname(dirname(__FILE__))).'/config.php');
27		require_once(dirname(__FILE__).'/locallib.php');
28
29		global $SESSION;
30
31		$action = required_param('action', PARAM_TEXT);
32		$id = optional_param('id', 0, PARAM_INT);
33		$bn = optional_param('bn', 0, PARAM_INT);
34		$href = optional_param('href', '', PARAM_TEXT);
35		$mid = optional_param('mid', '', PARAM_TEXT);
36		$rid = optional_param('rid', '', PARAM_TEXT);
37		$rtype = optional_param('rtype', 'presentation', PARAM_TEXT);
38		$errors = optional_param('errors', '', PARAM_TEXT);
39		$timeline = optional_param('timeline', 0, PARAM_INT);
40		$index = optional_param('index', 0, PARAM_INT);
41		$group = optional_param('group', -1, PARAM_INT);
42
43		$bbbviewinstance = bigbluebuttonbn_view_validator($id, $bn);
44		if (!$bbbviewinstance) {
45		print_error(get_string('view_error_url_missing_parameters', 'bigbluebuttonbn'));
46		}
47
48		$cm = $bbbviewinstance['cm'];
49		$course = $bbbviewinstance['course'];
50		$bigbluebuttonbn = $bbbviewinstance['bigbluebuttonbn'];
51		$context = context_module::instance($cm->id);
52
53		require_login($course, true, $cm);
54
55		$bbbsession = null;
56		if (isset($SESSION->bigbluebuttonbn_bbbsession)) {
57		$bbbsession = $SESSION->bigbluebuttonbn_bbbsession;
58		}
59
60		if ($timeline \|\| $index) {
61		// Validates if the BigBlueButton server is working.
62		$serverversion = bigbluebuttonbn_get_server_version();
63		if (is_null($serverversion)) {
64		if ($bbbsession['administrator']) {
65		print_error('view_error_unable_join', 'bigbluebuttonbn',
66		$CFG->wwwroot.'/admin/settings.php?section=modsettingbigbluebuttonbn');
67		exit;
68		}
69		if ($bbbsession['moderator']) {
70		print_error('view_error_unable_join_teacher', 'bigbluebuttonbn',
71		$CFG->wwwroot.'/course/view.php?id='.$bigbluebuttonbn->course);
72		exit;
73		}
74		print_error('view_error_unable_join_student', 'bigbluebuttonbn',
75		$CFG->wwwroot.'/course/view.php?id='.$bigbluebuttonbn->course);
76		exit;
77		}
78
79		$bbbsession = mod_bigbluebuttonbn\locallib\bigbluebutton::build_bbb_session($cm, $course, $bigbluebuttonbn);
80
81		// Check status and set extra values.
82		$activitystatus = bigbluebuttonbn_view_get_activity_status($bbbsession);
83	View Code Duplication	if ($activitystatus == 'ended') {
		0 ignored issues – show Duplication introduced 2018-12-19 19:17 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
84		$bbbsession['presentation'] = bigbluebuttonbn_get_presentation_array(
85		$bbbsession['context'], $bbbsession['bigbluebuttonbn']->presentation);
86		} else if ($activitystatus == 'open') {
87		$bbbsession['presentation'] = bigbluebuttonbn_get_presentation_array(
88		$bbbsession['context'], $bbbsession['bigbluebuttonbn']->presentation, $bbbsession['bigbluebuttonbn']->id);
89		}
90
91		// Check group.
92		if ($group >= 0) {
93		$bbbsession['group'] = $group;
94		$groupname = get_string('allparticipants');
95		if ($bbbsession['group'] != 0) {
96		$groupname = groups_get_group_name($bbbsession['group']);
97		}
98
99		// Assign group default values.
100		$bbbsession['meetingid'] .= '['.$bbbsession['group'].']';
101		$bbbsession['meetingname'] .= ' ('.$groupname.')';
102		}
103
104		// Initialize session variable used across views.
105		$SESSION->bigbluebuttonbn_bbbsession = $bbbsession;
106		}
107
108		// Print the page header.
109		$PAGE->set_context($context);
110		$PAGE->set_url('/mod/bigbluebuttonbn/bbb_view.php', array('id' => $cm->id, 'bigbluebuttonbn' => $bigbluebuttonbn->id));
111		$PAGE->set_title(format_string($bigbluebuttonbn->name));
112		$PAGE->set_cacheable(false);
113		$PAGE->set_heading($course->fullname);
114		$PAGE->blocks->show_only_fake_blocks();
115
116		switch (strtolower($action)) {
117		case 'logout':
118		if (isset($errors) && $errors != '') {
119		bigbluebuttonbn_bbb_view_errors($errors, $id);
120		break;
121		}
122		if (is_null($bbbsession)) {
123		bigbluebuttonbn_bbb_view_close_window_manually();
124		break;
125		}
126		// Moodle event logger: Create an event for meeting left.
127		bigbluebuttonbn_event_log(\mod_bigbluebuttonbn\event\events::$events['meeting_left'], $bigbluebuttonbn);
128		// Update the cache.
129		$meetinginfo = bigbluebuttonbn_get_meeting_info($bbbsession['meetingid'], BIGBLUEBUTTONBN_UPDATE_CACHE);
130		// Check the origin page.
131		$select = "userid = ? AND log = ?";
132		$params = array(
133		'userid' => $bbbsession['userID'],
134		'log' => BIGBLUEBUTTONBN_LOG_EVENT_JOIN,
135		);
136		$accesses = $DB->get_records_select('bigbluebuttonbn_logs', $select, $params, 'id ASC', 'id, meta', 1);
137		$lastaccess = end($accesses);
138		$lastaccess = json_decode($lastaccess->meta);
139		// If the user acceded from Timeline it should be redirected to the Dashboard.
140		if (isset($lastaccess->origin) && $lastaccess->origin == BIGBLUEBUTTON_ORIGIN_TIMELINE) {
141		redirect($CFG->wwwroot . '/my/');
142		}
143		// Close the tab or window where BBB was opened.
144		bigbluebuttonbn_bbb_view_close_window();
145		break;
146		case 'join':
147		if (is_null($bbbsession)) {
148		print_error('view_error_unable_join', 'bigbluebuttonbn');
149		break;
150		}
151		// Check the origin page.
152		$origin = BIGBLUEBUTTON_ORIGIN_BASE;
153		if ($timeline) {
154		$origin = BIGBLUEBUTTON_ORIGIN_TIMELINE;
155		} else if ($index) {
156		$origin = BIGBLUEBUTTON_ORIGIN_INDEX;
157		}
158		// See if the session is in progress.
159		if (bigbluebuttonbn_is_meeting_running($bbbsession['meetingid'])) {
160		// Since the meeting is already running, we just join the session.
161		bigbluebuttonbn_bbb_view_join_meeting($bbbsession, $bigbluebuttonbn, $origin);
162		break;
163		}
164		// If user is not administrator nor moderator (user is steudent) and waiting is required.
165		if (!$bbbsession['administrator'] && !$bbbsession['moderator'] && $bbbsession['wait']) {
166		header('Location: '.$bbbsession['logoutURL']);
167		break;
168		}
169		// As the meeting doesn't exist, try to create it.
170		$response = bigbluebuttonbn_get_create_meeting_array(
171		bigbluebuttonbn_bbb_view_create_meeting_data($bbbsession),
172		bigbluebuttonbn_bbb_view_create_meeting_metadata($bbbsession),
173		$bbbsession['presentation']['name'],
174		$bbbsession['presentation']['url']
175		);
176		if (empty($response)) {
177		// The server is unreachable.
178		if ($bbbsession['administrator']) {
179		print_error('view_error_unable_join', 'bigbluebuttonbn',
180		$CFG->wwwroot.'/admin/settings.php?section=modsettingbigbluebuttonbn');
181		break;
182		}
183		if ($bbbsession['moderator']) {
184		print_error('view_error_unable_join_teacher', 'bigbluebuttonbn',
185		$CFG->wwwroot.'/admin/settings.php?section=modsettingbigbluebuttonbn');
186		break;
187		}
188		print_error('view_error_unable_join_student', 'bigbluebuttonbn',
189		$CFG->wwwroot.'/admin/settings.php?section=modsettingbigbluebuttonbn');
190		break;
191		}
192		if ($response['returncode'] == 'FAILED') {
193		// The meeting was not created.
194		if (!$printerrorkey) {
195		print_error($response['message'], 'bigbluebuttonbn');
196		break;
197		}
198		$printerrorkey = bigbluebuttonbn_get_error_key($response['messageKey'], 'view_error_create');
199		print_error($printerrorkey, 'bigbluebuttonbn');
200		break;
201		}
202		if ($response['hasBeenForciblyEnded'] == 'true') {
203		print_error(get_string('index_error_forciblyended', 'bigbluebuttonbn'));
204		break;
205		}
206		// Moodle event logger: Create an event for meeting created.
207		bigbluebuttonbn_event_log(\mod_bigbluebuttonbn\event\events::$events['meeting_create'], $bigbluebuttonbn);
208		// Internal logger: Insert a record with the meeting created.
209		$overrides = array('meetingid' => $bbbsession['meetingid']);
210		$meta = '{"record":'.($bbbsession['record'] ? 'true' : 'false').'}';
211		bigbluebuttonbn_log($bbbsession['bigbluebuttonbn'], BIGBLUEBUTTONBN_LOG_EVENT_CREATE, $overrides, $meta);
212		// Since the meeting is already running, we just join the session.
213		bigbluebuttonbn_bbb_view_join_meeting($bbbsession, $bigbluebuttonbn, $origin);
214		break;
215		case 'play':
216		$href = bigbluebuttonbn_bbb_view_playback_href($href, $mid, $rid, $rtype);
217		// Moodle event logger: Create an event for meeting left.
218		bigbluebuttonbn_event_log(\mod_bigbluebuttonbn\event\events::$events['recording_play'], $bigbluebuttonbn,
219		['other' => $rid]);
220		// Internal logger: Instert a record with the playback played.
221		$overrides = array('meetingid' => $bbbsession['meetingid']);
222		bigbluebuttonbn_log($bbbsession['bigbluebuttonbn'], BIGBLUEBUTTONBN_LOG_EVENT_PLAYED, $overrides);
223		// Execute the redirect.
224		header('Location: '.urldecode($href));
225		break;
226		default:
227		bigbluebuttonbn_bbb_view_close_window();
228		}
229
230		/**
231		* Helper for getting the playback url that corresponds to an specific type.
232		*
233		* @param string $href
234		* @param string $mid
235		* @param string $rid
236		* @param string $rtype
237		* @return string
238		*/
239		function bigbluebuttonbn_bbb_view_playback_href($href, $mid, $rid, $rtype) {
240		if ($href != '' \|\| $mid == '' \|\| $rid == '') {
241		return $href;
242		}
243		$recordings = bigbluebuttonbn_get_recordings_array($mid, $rid);
244		if (empty($recordings)) {
245		return '';
246		}
247		return bigbluebuttonbn_bbb_view_playback_href_lookup($recordings[$rid]['playbacks'], $rtype);
248		}
249
250		/**
251		* Helper for looking up playback url in the recording playback array.
252		*
253		* @param array $playbacks
254		* @param string $type
255		* @return string
256		*/
257		function bigbluebuttonbn_bbb_view_playback_href_lookup($playbacks, $type) {
258		foreach ($playbacks as $playback) {
259		if ($playback['type'] == $type) {
260		return $playback['url'];
261		}
262		}
263		return '';
264		}
265
266		/**
267		* Helper for closing the tab or window when the user lefts the meeting.
268		*
269		* @return string
270		*/
271		function bigbluebuttonbn_bbb_view_close_window() {
272		global $OUTPUT, $PAGE;
273		echo $OUTPUT->header();
274		$PAGE->requires->yui_module('moodle-mod_bigbluebuttonbn-rooms', 'M.mod_bigbluebuttonbn.rooms.windowClose');
275		echo $OUTPUT->footer();
276		}
277
278		/**
279		* Helper for showing a message when the tab or window can not be closed.
280		*
281		* @return string
282		*/
283		function bigbluebuttonbn_bbb_view_close_window_manually() {
284		echo get_string('view_message_tab_close', 'bigbluebuttonbn');
285		}
286
287		/**
288		* Helper for preparing data used for creating the meeting.
289		*
290		* @param array $bbbsession
291		* @return object
292		*/
293		function bigbluebuttonbn_bbb_view_create_meeting_data(&$bbbsession) {
294		$data = ['meetingID' => $bbbsession['meetingid'],
295		'name' => bigbluebuttonbn_html2text($bbbsession['meetingname'], 64),
296		'attendeePW' => $bbbsession['viewerPW'],
297		'moderatorPW' => $bbbsession['modPW'],
298		'logoutURL' => $bbbsession['logoutURL'],
299		];
300		$data['record'] = bigbluebuttonbn_bbb_view_create_meeting_data_record($bbbsession['record']);
301		// Check if auto_start_record is enable.
302	View Code Duplication	if ($data['record'] == 'true' && $bbbsession['recordallfromstart']) {
		0 ignored issues – show Duplication introduced 2019-06-25 20:32 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
303		$data['autoStartRecording'] = 'true';
304		// Check if hide_record_button is enable.
305		if ($bbbsession['recordhidebutton']) {
306		$data['allowStartStopRecording'] = 'false';
307		}
308		}
309
310		$data['welcome'] = trim($bbbsession['welcome']);
311		// Set the duration for the meeting.
312		$durationtime = bigbluebuttonbn_bbb_view_create_meeting_data_duration($bbbsession['bigbluebuttonbn']->closingtime);
313	View Code Duplication	if ($durationtime > 0) {
		0 ignored issues – show Duplication introduced 2018-12-12 20:15 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
314		$data['duration'] = $durationtime;
315		$data['welcome'] .= '<br><br>';
316		$data['welcome'] .= str_replace(
317		'%duration%',
318		(string) $durationtime,
319		get_string('bbbdurationwarning', 'bigbluebuttonbn')
320		);
321		}
322		$voicebridge = intval($bbbsession['voicebridge']);
323		if ($voicebridge > 0 && $voicebridge < 79999) {
324		$data['voiceBridge'] = $voicebridge;
325		}
326		$maxparticipants = intval($bbbsession['userlimit']);
327		if ($maxparticipants > 0) {
328		$data['maxParticipants'] = $maxparticipants;
329		}
330		if ($bbbsession['muteonstart']) {
331		$data['muteOnStart'] = 'true';
332		}
333		// Lock settings.
334		if ($bbbsession['disablecam']) {
335		$data['lockSettingsDisableCam'] = 'true';
336		}
337		if ($bbbsession['disablemic']) {
338		$data['lockSettingsDisableMic'] = 'true';
339		}
340		if ($bbbsession['disableprivatechat']) {
341		$data['lockSettingsDisablePrivateChat'] = 'true';
342		}
343		if ($bbbsession['disablepublicchat']) {
344		$data['lockSettingsDisablePublicChat'] = 'true';
345		}
346		if ($bbbsession['disablenote']) {
347		$data['lockSettingsDisableNote'] = 'true';
348		}
349		if ($bbbsession['hideuserlist']) {
350		$data['lockSettingsHideUserList'] = 'true';
351		}
352		if ($bbbsession['lockedlayout']) {
353		$data['lockSettingsLockedLayout'] = 'true';
354		}
355		if ($bbbsession['lockonjoin']) {
356		$data['lockSettingsLockOnJoin'] = 'false';
357		}
358		if ($bbbsession['lockonjoinconfigurable']) {
359		$data['lockSettingsLockOnJoinConfigurable'] = 'true';
360		}
361		return $data;
362		}
363
364		/**
365		* Helper for returning the flag to know if the meeting is recorded.
366		*
367		* @param boolean $record
368		* @return string
369		*/
370		function bigbluebuttonbn_bbb_view_create_meeting_data_record($record) {
371		if ((boolean)\mod_bigbluebuttonbn\locallib\config::recordings_enabled() && $record) {
372		return 'true';
373		}
374		return 'false';
375		}
376
377		/**
378		* Helper for returning the duration expected for the meeting.
379		*
380		* @param string $closingtime
381		* @return integer
382		*/
383		function bigbluebuttonbn_bbb_view_create_meeting_data_duration($closingtime) {
384		if ((boolean)\mod_bigbluebuttonbn\locallib\config::get('scheduled_duration_enabled')) {
385		return bigbluebuttonbn_get_duration($closingtime);
386		}
387		return 0;
388		}
389
390		/**
391		* Helper for preparing metadata used while creating the meeting.
392		*
393		* @param array $bbbsession
394		* @return array
395		*/
396		function bigbluebuttonbn_bbb_view_create_meeting_metadata(&$bbbsession) {
397		return bigbluebuttonbn_create_meeting_metadata($bbbsession);
398		}
399
400		/**
401		* Helper for preparing data used while joining the meeting.
402		*
403		* @param array $bbbsession
404		* @param object $bigbluebuttonbn
405		* @param integer $origin
406		*/
407		function bigbluebuttonbn_bbb_view_join_meeting($bbbsession, $bigbluebuttonbn, $origin = 0) {
408		// Update the cache.
409		$meetinginfo = bigbluebuttonbn_get_meeting_info($bbbsession['meetingid'], BIGBLUEBUTTONBN_UPDATE_CACHE);
410		if ($bbbsession['userlimit'] > 0 && intval($meetinginfo['participantCount']) >= $bbbsession['userlimit']) {
411		// No more users allowed to join.
412		header('Location: '.$bbbsession['logoutURL']);
413		return;
414		}
415		// Build the URL.
416		$password = $bbbsession['viewerPW'];
417		if ($bbbsession['administrator'] \|\| $bbbsession['moderator']) {
418		$password = $bbbsession['modPW'];
419		}
420		$bbbsession['createtime'] = $meetinginfo['createTime'];
421		$joinurl = bigbluebuttonbn_get_join_url($bbbsession['meetingid'], $bbbsession['username'],
422		$password, $bbbsession['logoutURL'], null, $bbbsession['userID'], $bbbsession['clienttype'], $bbbsession['createtime']);
423		// Moodle event logger: Create an event for meeting joined.
424		bigbluebuttonbn_event_log(\mod_bigbluebuttonbn\event\events::$events['meeting_join'], $bigbluebuttonbn);
425		// Internal logger: Instert a record with the meeting created.
426		$overrides = array('meetingid' => $bbbsession['meetingid']);
427		$meta = '{"origin":'.$origin.'}';
428		bigbluebuttonbn_log($bbbsession['bigbluebuttonbn'], BIGBLUEBUTTONBN_LOG_EVENT_JOIN, $overrides, $meta);
429		// Before executing the redirect, increment the number of participants.
430		bigbluebuttonbn_participant_joined($bbbsession['meetingid'],
431		($bbbsession['administrator'] \|\| $bbbsession['moderator']));
432		// Execute the redirect.
433		header('Location: '.$joinurl);
434		}
435
436		/**
437		* Helper for showinf error messages if any.
438		*
439		* @param string $serrors
440		* @param string $id
441		* @return string
442		*/
443		function bigbluebuttonbn_bbb_view_errors($serrors, $id) {
444		global $CFG, $OUTPUT;
445		$errors = (array) json_decode(urldecode($serrors));
446		$msgerrors = '';
447		foreach ($errors as $error) {
448		$msgerrors .= html_writer::tag('p', $error->{'message'}, array('class' => 'alert alert-danger'))."\n";
449		}
450		echo $OUTPUT->header();
451		print_error('view_error_bigbluebutton', 'bigbluebuttonbn',
452		$CFG->wwwroot.'/mod/bigbluebuttonbn/view.php?id='.$id, $msgerrors, $serrors);
453		echo $OUTPUT->footer();
454		}
455

blindsidenetworks / moodle-mod_bigbluebuttonbn

bbb_view.php ➔ bigbluebuttonbn_bbb_view_join_meeting() B last analyzed 2021-03-22 14:43 UTC

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bbb_view.php ➔ bigbluebuttonbn_bbb_view_join_meeting() B
last analyzed 2021-03-22 14:43 UTC