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<?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/>.// Prevent Caching Headers.header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");header("Cache-Control: no-cache");header("Pragma: no-cache");require_once('../../config.php');require_once($CFG->dirroot.'/mod/scorm/lib.php');require_once($CFG->dirroot.'/mod/scorm/locallib.php');require_once($CFG->dirroot.'/mod/scorm/datamodels/aicclib.php');foreach ($_POST as $key => $value) {$tempkey = strtolower($key);$_POST[$tempkey] = $value;}$command = required_param('command', PARAM_ALPHA);$sessionid = required_param('session_id', PARAM_ALPHANUM);$aiccdata = optional_param('aicc_data', '', PARAM_RAW);$cfgscorm = get_config('scorm');$url = new moodle_url('/mod/scorm/aicc.php', array('command' => $command, 'session_id' => $sessionid));if ($aiccdata !== 0) {$url->param('aicc_data', $aiccdata);}$PAGE->set_url($url);if (empty($cfgscorm->allowaicchacp)) {require_login();if (!confirm_sesskey($sessionid)) {throw new \moodle_exception('invalidsesskey');}$aiccuser = $USER;$scormsession = $SESSION->scorm;} else {$scormsession = scorm_aicc_confirm_hacp_session($sessionid);if (empty($scormsession)) {throw new \moodle_exception('invalidhacpsession', 'scorm');}$aiccuser = $DB->get_record('user', array('id' => $scormsession->userid), 'id,username,lastname,firstname', MUST_EXIST);}if (!empty($command)) {$command = strtolower($command);if (isset($scormsession->scoid)) {$scoid = $scormsession->scoid;} else {throw new \moodle_exception('cannotcallscript');}$mode = 'normal';if (isset($scormsession->scormmode)) {$mode = $scormsession->scormmode;}$status = 'Not Initialized';if (isset($scormsession->scormstatus)) {$status = $scormsession->scormstatus;}if (isset($scormsession->attempt)) {$attempt = $scormsession->attempt;} else {$attempt = 1;}$attemptobject = scorm_get_attempt($aiccuser->id, $scormsession->scormid, $attempt);if ($sco = scorm_get_sco($scoid, SCO_ONLY)) {if (!$scorm = $DB->get_record('scorm', array('id' => $sco->scorm))) {throw new \moodle_exception('cannotcallscript');}} else {throw new \moodle_exception('cannotcallscript');}$aiccrequest = "MOODLE scoid: $scoid". "\r\nMOODLE mode: $mode". "\r\nMOODLE status: $status". "\r\nMOODLE attempt: $attempt". "\r\nAICC sessionid: $sessionid". "\r\nAICC command: $command". "\r\nAICC aiccdata:\r\n$aiccdata";scorm_debug_log_write("aicc", "HACP Request:\r\n$aiccrequest", $scoid);ob_start();if ($scorm = $DB->get_record('scorm', array('id' => $sco->scorm))) {switch ($command) {case 'getparam':if ($status == 'Not Initialized') {$scormsession->scormstatus = 'Running';$status = 'Running';}if ($status != 'Running') {echo "error=101\r\nerror_text=Terminated\r\n";} else {if ($usertrack = scorm_get_tracks($scoid, $aiccuser->id, $attempt)) {$userdata = $usertrack;} else {$userdata->status = '';$userdata->score_raw = '';}$aiccuserid = get_config('scorm', 'aiccuserid');if (!empty($aiccuserid)) {$userdata->student_id = $aiccuser->id;} else {$userdata->student_id = $aiccuser->username;}$userdata->student_name = $aiccuser->lastname .', '. $aiccuser->firstname;$userdata->mode = $mode;if ($userdata->mode == 'normal') {$userdata->credit = 'credit';} else {$userdata->credit = 'no-credit';}if ($sco = scorm_get_sco($scoid)) {$userdata->course_id = $sco->identifier;$userdata->datafromlms = isset($sco->datafromlms) ? $sco->datafromlms : '';$userdata->mastery_score = isset($sco->mastery_score) && is_numeric($sco->mastery_score) ?trim($sco->mastery_score) : '';$userdata->max_time_allowed = isset($sco->max_time_allowed) ? $sco->max_time_allowed : '';$userdata->time_limit_action = isset($sco->time_limit_action) ? $sco->time_limit_action : '';echo "error=0\r\nerror_text=Successful\r\naicc_data=";echo "[Core]\r\n";echo 'Student_ID='.$userdata->student_id."\r\n";echo 'Student_Name='.$userdata->student_name."\r\n";if (isset($userdata->{'cmi.core.lesson_location'})) {echo 'Lesson_Location='.$userdata->{'cmi.core.lesson_location'}."\r\n";} else {echo 'Lesson_Location='."\r\n";}echo 'Credit='.$userdata->credit."\r\n";if (isset($userdata->status)) {if ($userdata->status == '') {$userdata->entry = ', ab-initio';} else {if (isset($userdata->{'cmi.core.exit'}) && ($userdata->{'cmi.core.exit'} == 'suspend')) {$userdata->entry = ', resume';} else {$userdata->entry = '';}}}if (isset($userdata->{'cmi.core.lesson_status'})) {echo 'Lesson_Status='.$userdata->{'cmi.core.lesson_status'}.$userdata->entry."\r\n";$scormsession->scorm_lessonstatus = $userdata->{'cmi.core.lesson_status'};} else {echo 'Lesson_Status=not attempted'.$userdata->entry."\r\n";$scormsession->scorm_lessonstatus = 'not attempted';}if (isset($userdata->{'cmi.core.score.raw'})) {$max = '';$min = '';if (isset($userdata->{'cmi.core.score.max'}) && !empty($userdata->{'cmi.core.score.max'})) {$max = ', '.$userdata->{'cmi.core.score.max'};if (isset($userdata->{'cmi.core.score.min'}) && !empty($userdata->{'cmi.core.score.min'})) {$min = ', '.$userdata->{'cmi.core.score.min'};}}echo 'Score='.$userdata->{'cmi.core.score.raw'}.$max.$min."\r\n";} else {echo 'Score='."\r\n";}if (isset($userdata->{'cmi.core.total_time'})) {echo 'Time='.$userdata->{'cmi.core.total_time'}."\r\n";} else {echo 'Time='.'00:00:00'."\r\n";}echo 'Lesson_Mode='.$userdata->mode."\r\n";if (isset($userdata->{'cmi.suspend_data'})) {echo "[Core_Lesson]\r\n".rawurldecode($userdata->{'cmi.suspend_data'})."\r\n";} else {echo "[Core_Lesson]\r\n";}echo "[Core_Vendor]\r\n".$userdata->datafromlms."\r\n";echo "[Evaluation]\r\nCourse_ID = {".$userdata->course_id."}\r\n";echo "[Student_Data]\r\n";echo 'Mastery_Score='.$userdata->mastery_score."\r\n";echo 'Max_Time_Allowed='.$userdata->max_time_allowed."\r\n";echo 'Time_Limit_Action='.$userdata->time_limit_action."\r\n";} else {throw new \moodle_exception('cannotfindsco', 'scorm');}}break;case 'putparam':if ($status == 'Running') {if (! $cm = get_coursemodule_from_instance("scorm", $scorm->id, $scorm->course)) {echo "error=1\r\nerror_text=Unknown\r\n"; // No one must see this error message if not hacked.}$savetrack = has_capability('mod/scorm:savetrack', context_module::instance($cm->id), $aiccuser->id);if (!empty($aiccdata) && $savetrack) {$initlessonstatus = 'not attempted';$lessonstatus = 'not attempted';if (isset($scormsession->scorm_lessonstatus)) {$initlessonstatus = $scormsession->scorm_lessonstatus;}$score = '';$datamodel['lesson_location'] = 'cmi.core.lesson_location';$datamodel['lesson_status'] = 'cmi.core.lesson_status';$datamodel['score'] = 'cmi.core.score.raw';$datamodel['time'] = 'cmi.core.session_time';$datamodel['[core_lesson]'] = 'cmi.suspend_data';$datamodel['[comments]'] = 'cmi.comments';$datarows = explode("\r\n", $aiccdata);reset($datarows);$multirowvalue = '';$multirowelement = '';foreach ($datarows as $did => $datarow) {$equal = strpos($datarow, '=');if ($equal === false || !empty($multirowelement)) {if (empty($multirowelement)) {if (isset($datamodel[strtolower(trim($datarow))])) {$multirowelement = $datamodel[strtolower(trim($datarow))];} else {// An element was passed by the external AICC package is not one we care about.continue;}}$multirowvalue .= $datarow."\r\n";if (isset($datarows[$did + 1]) && substr($datarows[$did + 1], 0, 1) != '[') {// This is a multiline row, we haven't found the end yet.continue;}$value = rawurlencode($multirowvalue);$id = scorm_insert_track($aiccuser->id, $scorm->id, $sco->id, $attemptobject,$multirowelement, $value);$multirowvalue = $multirowelement = '';} else {$element = strtolower(trim(substr($datarow, 0, $equal)));$value = trim(substr($datarow, $equal + 1));if (isset($datamodel[$element])) {$element = $datamodel[$element];switch ($element) {case 'cmi.core.lesson_location':$id = scorm_insert_track($aiccuser->id, $scorm->id, $sco->id,$attemptobject, $element, $value);break;case 'cmi.core.lesson_status':$statuses = array('passed' => 'passed','completed' => 'completed','failed' => 'failed','incomplete' => 'incomplete','browsed' => 'browsed','not attempted' => 'not attempted','p' => 'passed','c' => 'completed','f' => 'failed','i' => 'incomplete','b' => 'browsed','n' => 'not attempted');$exites = array('logout' => 'logout','time-out' => 'time-out','suspend' => 'suspend','l' => 'logout','t' => 'time-out','s' => 'suspend',);$values = explode(',', $value);$value = '';if (count($values) > 1) {$value = trim(strtolower($values[1]));$value = $value[0];if (isset($exites[$value])) {$value = $exites[$value];}}if (empty($value) || isset($exites[$value])) {$subelement = 'cmi.core.exit';$id = scorm_insert_track($aiccuser->id, $scorm->id, $sco->id,$attemptobject, $subelement, $value);}$value = trim(strtolower($values[0]));$value = $value[0];if (isset($statuses[$value]) && ($mode == 'normal')) {$value = $statuses[$value];$id = scorm_insert_track($aiccuser->id, $scorm->id, $sco->id,$attemptobject, $element, $value);}$lessonstatus = $value;break;case 'cmi.core.score.raw':$values = explode(',', $value);if ((count($values) > 1) && ($values[1] >= $values[0]) && is_numeric($values[1])) {$subelement = 'cmi.core.score.max';$value = trim($values[1]);$id = scorm_insert_track($aiccuser->id, $scorm->id, $sco->id,$attemptobject, $subelement, $value);if ((count($values) == 3) && ($values[2] <= $values[0]) && is_numeric($values[2])) {$subelement = 'cmi.core.score.min';$value = trim($values[2]);$id = scorm_insert_track($aiccuser->id, $scorm->id, $sco->id,$attemptobject, $subelement, $value);}}$value = '';if (is_numeric($values[0])) {$value = trim($values[0]);$id = scorm_insert_track($aiccuser->id, $scorm->id, $sco->id,$attemptobject, $element, $value);}$score = $value;break;case 'cmi.core.session_time':$scormsession->sessiontime = $value;break;}}}}if (($mode == 'browse') && ($initlessonstatus == 'not attempted')) {$lessonstatus = 'browsed';$id = scorm_insert_track($aiccuser->id, $scorm->id, $sco->id,$attemptobject, 'cmi.core.lesson_status', 'browsed');}if ($mode == 'normal') {if ($sco = scorm_get_sco($scoid)) {if (isset($sco->mastery_score) && is_numeric($sco->mastery_score)) {if ($score != '') { // Score is correctly initialized w/ an empty string, see above.if ($score >= trim($sco->mastery_score)) {$lessonstatus = 'passed';} else {$lessonstatus = 'failed';}}}$id = scorm_insert_track($aiccuser->id, $scorm->id, $sco->id,$attemptobject, 'cmi.core.lesson_status', $lessonstatus);}}}echo "error=0\r\nerror_text=Successful\r\n";} else if ($status == 'Terminated') {echo "error=1\r\nerror_text=Terminated\r\n";} else {echo "error=1\r\nerror_text=Not Initialized\r\n";}break;case 'putcomments':if ($status == 'Running') {echo "error=0\r\nerror_text=Successful\r\n";} else if ($status == 'Terminated') {echo "error=1\r\nerror_text=Terminated\r\n";} else {echo "error=1\r\nerror_text=Not Initialized\r\n";}break;case 'putinteractions':if ($status == 'Running') {echo "error=0\r\nerror_text=Successful\r\n";} else if ($status == 'Terminated') {echo "error=1\r\nerror_text=Terminated\r\n";} else {echo "error=1\r\nerror_text=Not Initialized\r\n";}break;case 'putobjectives':if ($status == 'Running') {echo "error=0\r\nerror_text=Successful\r\n";} else if ($status == 'Terminated') {echo "error=1\r\nerror_text=Terminated\r\n";} else {echo "error=1\r\nerror_text=Not Initialized\r\n";}break;case 'putpath':if ($status == 'Running') {echo "error=0\r\nerror_text=Successful\r\n";} else if ($status == 'Terminated') {echo "error=1\r\nerror_text=Terminated\r\n";} else {echo "error=1\r\nerror_text=Not Initialized\r\n";}break;case 'putperformance':if ($status == 'Running') {echo "error=0\r\nerror_text=Successful\r\n";} else if ($status == 'Terminated') {echo "error=1\r\nerror_text=Terminated\r\n";} else {echo "error=1\r\nerror_text=Not Initialized\r\n";}break;case 'exitau':if ($status == 'Running') {if (isset($scormsession->sessiontime) && ($scormsession->sessiontime != '')) {$track = scorm_get_sco_value($sco->id, $aiccuser->id, 'cmi.core.total_time', $attempt);if (!empty($track)) {// Add session_time to total_time.$value = scorm_add_time($track->value, $scormsession->sessiontime);$v = new stdClass();$v->id = $track->valueid;$v->value = $value;$v->timemodified = time();$DB->update_record('scorm_scoes_value', $v);} else {$track = new stdClass();$track->scoid = $sco->id;$track->element = scorm_get_elementid('cmi.core.total_time');$track->value = $scormsession->sessiontime;$atobject = scorm_get_attempt($aiccuser->id, $scormsession->scormid, $attempt);$track->attempt = $atobject->id;$track->timemodified = time();$id = $DB->insert_record('scorm_scoes_value', $track);}scorm_update_grades($scorm, $aiccuser->id);}$scormsession->scormstatus = 'Terminated';$scormsession->session_time = '';echo "error=0\r\nerror_text=Successful\r\n";} else if ($status == 'Terminated') {echo "error=1\r\nerror_text=Terminated\r\n";} else {echo "error=1\r\nerror_text=Not Initialized\r\n";}break;default:echo "error=1\r\nerror_text=Invalid Command\r\n";break;}}} else {if (empty($command)) {echo "error=1\r\nerror_text=Invalid Command\r\n";} else {echo "error=3\r\nerror_text=Invalid Session ID\r\n";}}if (empty($cfgscorm->allowaicchacp)) {$SESSION->scorm = $scormsession;} else {$scormsession->timemodified = time();$DB->update_record('scorm_aicc_session', $scormsession);}$aiccresponse = ob_get_contents();scorm_debug_log_write("aicc", "HACP Response:\r\n$aiccresponse", $scoid);ob_end_flush();