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PHP Cross Reference of moodle-2.8 |
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1 <?php 2 3 require_once('../config.php'); 4 //require_once($CFG->dirroot.'/course/lib.php'); 5 require_once($CFG->dirroot.'/calendar/lib.php'); 6 require_once($CFG->libdir.'/bennu/bennu.inc.php'); 7 8 $userid = optional_param('userid', 0, PARAM_INT); 9 $username = optional_param('username', '', PARAM_TEXT); 10 $authtoken = required_param('authtoken', PARAM_ALPHANUM); 11 $generateurl = optional_param('generateurl', '', PARAM_TEXT); 12 13 if (empty($CFG->enablecalendarexport)) { 14 die('no export'); 15 } 16 17 //Fetch user information 18 $checkuserid = !empty($userid) && $user = $DB->get_record('user', array('id' => $userid), 'id,password'); 19 //allowing for fallback check of old url - MDL-27542 20 $checkusername = !empty($username) && $user = $DB->get_record('user', array('username' => $username), 'id,password'); 21 if (!$checkuserid && !$checkusername) { 22 //No such user 23 die('Invalid authentication'); 24 } 25 26 //Check authentication token 27 $authuserid = !empty($userid) && $authtoken == sha1($userid . $user->password . $CFG->calendar_exportsalt); 28 //allowing for fallback check of old url - MDL-27542 29 $authusername = !empty($username) && $authtoken == sha1($username . $user->password . $CFG->calendar_exportsalt); 30 if (!$authuserid && !$authusername) { 31 die('Invalid authentication'); 32 } 33 34 // Get the calendar type we are using. 35 $calendartype = \core_calendar\type_factory::get_calendar_instance(); 36 37 $what = optional_param('preset_what', 'all', PARAM_ALPHA); 38 $time = optional_param('preset_time', 'weeknow', PARAM_ALPHA); 39 40 $now = $calendartype->timestamp_to_date_array(time()); 41 42 // Let's see if we have sufficient and correct data 43 $allowed_what = array('all', 'courses'); 44 $allowed_time = array('weeknow', 'weeknext', 'monthnow', 'monthnext', 'recentupcoming', 'custom'); 45 46 if (!empty($generateurl)) { 47 $authtoken = sha1($user->id . $user->password . $CFG->calendar_exportsalt); 48 $params = array(); 49 $params['preset_what'] = $what; 50 $params['preset_time'] = $time; 51 $params['userid'] = $userid; 52 $params['authtoken'] = $authtoken; 53 $params['generateurl'] = true; 54 55 $link = new moodle_url('/calendar/export.php', $params); 56 redirect($link->out()); 57 die; 58 } 59 60 if(!empty($what) && !empty($time)) { 61 if(in_array($what, $allowed_what) && in_array($time, $allowed_time)) { 62 $courses = enrol_get_users_courses($user->id, true, 'id, visible, shortname'); 63 64 if ($what == 'all') { 65 $users = $user->id; 66 $groups = array(); 67 foreach ($courses as $course) { 68 $course_groups = groups_get_all_groups($course->id, $user->id); 69 $groups = array_merge($groups, array_keys($course_groups)); 70 } 71 if (empty($groups)) { 72 $groups = false; 73 } 74 $courses[SITEID] = new stdClass; 75 $courses[SITEID]->shortname = get_string('globalevents', 'calendar'); 76 } else { 77 $users = false; 78 $groups = false; 79 } 80 81 // Store the number of days in the week. 82 $numberofdaysinweek = $calendartype->get_num_weekdays(); 83 84 switch($time) { 85 case 'weeknow': 86 $startweekday = calendar_get_starting_weekday(); 87 $startmonthday = find_day_in_month($now['mday'] - ($numberofdaysinweek - 1), $startweekday, $now['mon'], $now['year']); 88 $startmonth = $now['mon']; 89 $startyear = $now['year']; 90 if($startmonthday > calendar_days_in_month($startmonth, $startyear)) { 91 list($startmonth, $startyear) = calendar_add_month($startmonth, $startyear); 92 $startmonthday = find_day_in_month(1, $startweekday, $startmonth, $startyear); 93 } 94 $gregoriandate = $calendartype->convert_to_gregorian($startyear, $startmonth, $startmonthday); 95 $timestart = make_timestamp($gregoriandate['year'], $gregoriandate['month'], $gregoriandate['day'], 96 $gregoriandate['hour'], $gregoriandate['minute']); 97 98 $endmonthday = $startmonthday + $numberofdaysinweek; 99 $endmonth = $startmonth; 100 $endyear = $startyear; 101 if($endmonthday > calendar_days_in_month($endmonth, $endyear)) { 102 list($endmonth, $endyear) = calendar_add_month($endmonth, $endyear); 103 $endmonthday = find_day_in_month(1, $startweekday, $endmonth, $endyear); 104 } 105 $gregoriandate = $calendartype->convert_to_gregorian($endyear, $endmonth, $endmonthday); 106 $timeend = make_timestamp($gregoriandate['year'], $gregoriandate['month'], $gregoriandate['day'], 107 $gregoriandate['hour'], $gregoriandate['minute']); 108 break; 109 case 'weeknext': 110 $startweekday = calendar_get_starting_weekday(); 111 $startmonthday = find_day_in_month($now['mday'] + 1, $startweekday, $now['mon'], $now['year']); 112 $startmonth = $now['mon']; 113 $startyear = $now['year']; 114 if($startmonthday > calendar_days_in_month($startmonth, $startyear)) { 115 list($startmonth, $startyear) = calendar_add_month($startmonth, $startyear); 116 $startmonthday = find_day_in_month(1, $startweekday, $startmonth, $startyear); 117 } 118 $gregoriandate = $calendartype->convert_to_gregorian($startyear, $startmonth, $startmonthday); 119 $timestart = make_timestamp($gregoriandate['year'], $gregoriandate['month'], $gregoriandate['day'], 120 $gregoriandate['hour'], $gregoriandate['minute']); 121 122 $endmonthday = $startmonthday + $numberofdaysinweek; 123 $endmonth = $startmonth; 124 $endyear = $startyear; 125 if($endmonthday > calendar_days_in_month($endmonth, $endyear)) { 126 list($endmonth, $endyear) = calendar_add_month($endmonth, $endyear); 127 $endmonthday = find_day_in_month(1, $startweekday, $endmonth, $endyear); 128 } 129 $gregoriandate = $calendartype->convert_to_gregorian($endyear, $endmonth, $endmonthday); 130 $timeend = make_timestamp($gregoriandate['year'], $gregoriandate['month'], $gregoriandate['day'], 131 $gregoriandate['hour'], $gregoriandate['minute']); 132 break; 133 case 'monthnow': 134 // Convert to gregorian. 135 $gregoriandate = $calendartype->convert_to_gregorian($now['year'], $now['mon'], 1); 136 137 $timestart = make_timestamp($gregoriandate['year'], $gregoriandate['month'], $gregoriandate['day'], 138 $gregoriandate['hour'], $gregoriandate['minute']); 139 $timeend = $timestart + (calendar_days_in_month($now['mon'], $now['year']) * DAYSECS); 140 break; 141 case 'monthnext': 142 // Get the next month for this calendar. 143 list($nextmonth, $nextyear) = calendar_add_month($now['mon'], $now['year']); 144 145 // Convert to gregorian. 146 $gregoriandate = $calendartype->convert_to_gregorian($nextyear, $nextmonth, 1); 147 148 // Create the timestamps. 149 $timestart = make_timestamp($gregoriandate['year'], $gregoriandate['month'], $gregoriandate['day'], 150 $gregoriandate['hour'], $gregoriandate['minute']); 151 $timeend = $timestart + (calendar_days_in_month($nextmonth, $nextyear) * DAYSECS); 152 break; 153 case 'recentupcoming': 154 //Events in the last 5 or next 60 days 155 $timestart = time() - 432000; 156 $timeend = time() + 5184000; 157 break; 158 case 'custom': 159 // Events based on custom date range. 160 $timestart = time() - $CFG->calendar_exportlookback * DAYSECS; 161 $timeend = time() + $CFG->calendar_exportlookahead * DAYSECS; 162 break; 163 } 164 } 165 else { 166 // Parameters given but incorrect, redirect back to export page 167 redirect($CFG->wwwroot.'/calendar/export.php'); 168 die(); 169 } 170 } 171 $events = calendar_get_events($timestart, $timeend, $users, $groups, array_keys($courses), false); 172 173 $ical = new iCalendar; 174 $ical->add_property('method', 'PUBLISH'); 175 foreach($events as $event) { 176 if (!empty($event->modulename)) { 177 $cm = get_coursemodule_from_instance($event->modulename, $event->instance); 178 if (!\core_availability\info_module::is_user_visible($cm, $userid, false)) { 179 continue; 180 } 181 } 182 $hostaddress = str_replace('http://', '', $CFG->wwwroot); 183 $hostaddress = str_replace('https://', '', $hostaddress); 184 185 $ev = new iCalendar_event; 186 $ev->add_property('uid', $event->id.'@'.$hostaddress); 187 $ev->add_property('summary', $event->name); 188 $ev->add_property('description', clean_param($event->description, PARAM_NOTAGS)); 189 $ev->add_property('class', 'PUBLIC'); // PUBLIC / PRIVATE / CONFIDENTIAL 190 $ev->add_property('last-modified', Bennu::timestamp_to_datetime($event->timemodified)); 191 $ev->add_property('dtstamp', Bennu::timestamp_to_datetime()); // now 192 $ev->add_property('dtstart', Bennu::timestamp_to_datetime($event->timestart)); // when event starts 193 if ($event->timeduration > 0) { 194 //dtend is better than duration, because it works in Microsoft Outlook and works better in Korganizer 195 $ev->add_property('dtend', Bennu::timestamp_to_datetime($event->timestart + $event->timeduration)); 196 } 197 if ($event->courseid != 0) { 198 $coursecontext = context_course::instance($event->courseid); 199 $ev->add_property('categories', format_string($courses[$event->courseid]->shortname, true, array('context' => $coursecontext))); 200 } 201 $ical->add_component($ev); 202 } 203 204 $serialized = $ical->serialize(); 205 if(empty($serialized)) { 206 // TODO 207 die('bad serialization'); 208 } 209 210 $filename = 'icalexport.ics'; 211 212 header('Last-Modified: '. gmdate('D, d M Y H:i:s', time()) .' GMT'); 213 header('Cache-Control: private, must-revalidate, pre-check=0, post-check=0, max-age=0'); 214 header('Expires: '. gmdate('D, d M Y H:i:s', 0) .'GMT'); 215 header('Pragma: no-cache'); 216 header('Accept-Ranges: none'); // Comment out if PDFs do not work... 217 header('Content-disposition: attachment; filename='.$filename); 218 header('Content-length: '.strlen($serialized)); 219 header('Content-type: text/calendar; charset=utf-8'); 220 221 echo $serialized;
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| Generated: Fri Nov 28 20:29:05 2014 | Cross-referenced by PHPXref 0.7.1 |