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83 lines
4.2 KiB
83 lines
4.2 KiB
<?php
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/**
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* This script initiates a videoconference session, calling the BigBlueButton API
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* @package chamilo.plugin.bigbluebutton
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*/
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/**
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* Initialization
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*/
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require_once '../../main/inc/global.inc.php';
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require_once 'bbb.lib.php';
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//The script receives the course_code (cidReq), which allows it to get the corresponding data
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$cid = api_get_real_course_id();
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$ccode = api_get_course_id();
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// initialize conference settings from course settings
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$meeting_name = api_get_course_setting('big_blue_button_meeting_name',$ccode);
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if (empty($meeting_name) or $meeting_name==-1) { $meeting_name = $ccode; }
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$meeting_att_pw = api_get_course_setting('big_blue_button_meeting_attendee_pw',$ccode);
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if (empty($meeting_att_pw) or $meeting_att_pw==-1) { $meeting_att_pw = $ccode; }
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$meeting_mod_pw = api_get_course_setting('big_blue_button_meeting_moderator_pw',$ccode);
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if (empty($meeting_mod_pw) or $meeting_mod_pw==-1) { $meeting_mod_pw = $ccode.'mod'; }
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$meeting_wel_ms = api_get_course_setting('big_blue_button_meeting_welcome_message',$ccode);
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if (empty($meeting_wel_ms) or $meeting_wel_ms==-1) { $meeting_wel_ms = ''; }
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// initialize video server settings from global settings
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$settings = api_get_settings('Extra','list',api_get_current_access_url_id());
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$bbb_settings = array();
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foreach ($settings as $setting) {
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if (substr($setting['variable'],0,4)==='bbb_') {
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$bbb_settings[$setting['variable']] = $setting['selected_value'];
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}
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}
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$bbb_plugin = $bbb_settings['bbb_plugin'] === 'true';
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$bbb_host = $bbb_settings['bbb_plugin_host'];
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$bbb_salt = $bbb_settings['bbb_plugin_salt'];
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if (!$bbb_plugin) {
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//the BigBlueButton plugin is not enabled (strangely), return to course homepage
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header('location: '.api_get_path(WEB_COURSE_PATH).'/'.$ccode);
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}
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$teacher = api_is_course_admin() || api_is_coach() || api_is_platform_admin();
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$user_info = api_get_user_info(api_get_user_id());
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$full_user_name = api_get_person_name($user_info['firstname'],$user_info['lastname']);
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$user_id = api_get_user_id();
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$is_running = wc_isMeetingRunning($bbb_host,$bbb_salt,$meeting_name);
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if ($is_running == 'true') {
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// The conference is running, everything is fine, join
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header('location: '.wc_joinMeetingURL($bbb_host,$bbb_salt,$full_user_name,$meeting_name,($teacher?$meeting_mod_pw:$meeting_att_pw),$user_id));
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exit;
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} else { //$is_running = false or 'false'
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// The conference room does not seem to be running...
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// First, try harder and ignore the "running" status
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$meetings = wc_getRunningMeetings($bbb_host,$bbb_salt);
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$found = false;
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foreach ($meetings as $meeting) {
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//Try to find our meeting room in the list...
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if ($meeting['meetingID'] == $meeting_name) {
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$meeting_info = wc_getMeetingInfo($bbb_host,$bbb_salt,$meeting_name,$meeting_mod_pw);
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error_log('Found passive meeting created '.($meeting_info['createTime']).' seconds ago with '.count($meeting_info['attendees']).' attendees - joining as '.($teacher?'teacher':'student'));
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//if the user is a teacher, or if there are already attendees in
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// the conference room, then allow joining it
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if ($teacher or count($meeting_info['attendees'])>0) {
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header('location: '.wc_joinMeetingURL($bbb_host,$bbb_salt,$full_user_name,$meeting_name,($teacher?$meeting_mod_pw:$meeting_att_pw),$user_id));
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exit;
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}
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}
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}
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// That conference room is really not running or it has no
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// accompanying moderator subscribed
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if ($teacher) {
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// The user is a teacher, so he has the right to create the
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// room, so create it and join it
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wc_createMeeting($bbb_host,$bbb_salt,$meeting_name,$meeting_name,$meeting_att_pw,$meeting_mod_pw,$meeting_wel_ms,api_get_path(WEB_COURSE_PATH).'/'.$ccode);
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header('location: '.wc_joinMeetingURL($bbb_host,$bbb_salt,$full_user_name,$meeting_name,($teacher?$meeting_mod_pw:$meeting_att_pw),$user_id));
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exit;
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} else {
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// There is no conference room for this course and the user
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// is a mere student, so he cannot start a conference room by
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// himself: a teacher has to launch it first
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header('location: '.api_get_path(WEB_COURSE_PATH).'/'.$ccode);
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exit;
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}
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}
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