PHP LTIX::requireData方法代码示例

 public static function serveContent()
 {
     global $CFG, $CONTEXT, $PDOX;
     // Sanity checks
     $LAUNCH = LTIX::requireData(LTIX::CONTEXT);
     $id = $_REQUEST['id'];
     if (strlen($id) < 1) {
         die("File not found");
     }
     $p = $CFG->dbprefix;
     $stmt = $PDOX->prepare("SELECT contenttype, content, file_name FROM {$p}blob_file\n                    WHERE file_id = :ID AND context_id = :CID");
     $stmt->execute(array(":ID" => $id, ":CID" => $CONTEXT->id));
     $row = $stmt->fetch(\PDO::FETCH_ASSOC);
     if ($row === false) {
         error_log('File not loaded: ' . $id);
         die("File not loaded");
     }
     if (!BlobUtil::safeFileSuffix($row['file_name'])) {
         error_log('Unsafe file suffix: ' . $row['file_name']);
         die('Unsafe file suffix');
     }
     $mimetype = $row['contenttype'];
     // die($mimetype);
     if (strlen($mimetype) > 0) {
         header('Content-Type: ' . $mimetype);
     }
     // header('Content-Disposition: attachment; filename="'.$fn.'"');
     // header('Content-Type: text/data');
     echo $row['content'];
 }

 public static function gradeTable($GRADE_DETAIL_CLASS)
 {
     global $CFG, $OUTPUT, $USER, $LINK;
     // Require CONTEXT, USER, and LINK
     $LAUNCH = LTIX::requireData();
     if (!$USER->instructor) {
         die("Requires instructor role");
     }
     $p = $CFG->dbprefix;
     // Get basic grade data
     $query_parms = array(":LID" => $LINK->id);
     $orderfields = array("R.updated_at", "displayname", "email", "grade");
     $searchfields = $orderfields;
     $sql = "SELECT R.user_id AS user_id, displayname, email,\n                grade, note, R.updated_at AS updated_at\n            FROM {$p}lti_result AS R\n            JOIN {$p}lti_user AS U ON R.user_id = U.user_id\n            WHERE R.link_id = :LID";
     // View
     $OUTPUT->header();
     $OUTPUT->bodyStart();
     $OUTPUT->flashMessages();
     $OUTPUT->welcomeUserCourse();
     if (isset($GRADE_DETAIL_CLASS) && is_object($GRADE_DETAIL_CLASS)) {
         $detail = $GRADE_DETAIL_CLASS;
     } else {
         $detail = false;
     }
     Table::pagedAuto($sql, $query_parms, $searchfields, $orderfields, "grade-detail.php");
     // Since this is in a popup, put out a done button
     $OUTPUT->closeButton();
     $OUTPUT->footer();
 }

function gradeUpdateJson($newdata = false)
{
    global $CFG, $PDOX, $LINK;
    if ($newdata == false) {
        return;
    }
    if (is_string($newdata)) {
        $newdata = json_decode($newdata, true);
    }
    $LTI = LTIX::requireData(array(LTIX::LINK));
    $row = gradeLoad();
    $data = array();
    if ($row !== false && isset($row['json'])) {
        $data = json_decode($row['json'], true);
    }
    $changed = false;
    foreach ($newdata as $k => $v) {
        if (!isset($data[$k]) || $data[$k] != $v) {
            $data[$k] = $v;
            $changed = true;
        }
    }
    if ($changed === false) {
        return;
    }
    $jstr = json_encode($data);
    $stmt = $PDOX->queryDie("UPDATE {$CFG->dbprefix}lti_result SET json = :json, updated_at = NOW()\n            WHERE result_id = :RID", array(':json' => $jstr, ':RID' => $LINK->result_id));
}

<?php

require_once "../../config.php";
require_once $CFG->dirroot . "/pdo.php";
require_once $CFG->dirroot . "/lib/lms_lib.php";
require_once "peer_util.php";
use Tsugi\Core\LTIX;
// Sanity checks
$LTI = LTIX::requireData();
if (!$USER->instructor) {
    die("Instructor only");
}
if (isset($_POST['doClear'])) {
    session_unset();
    die('session unset');
}
$OUTPUT->header();
$OUTPUT->bodyStart();
$OUTPUT->flashMessages();
$OUTPUT->welcomeUserCourse();
$OUTPUT->togglePre("Session data", safe_var_dump($_SESSION));
?>
<form method="post">
<input type="submit" name="doExit" onclick="location='<?php 
echo addSession('index.php');
?>
'; return false;" value="Exit">
<input type="submit" name="doClear" value="Clear Session (will log out out)">
</form>
<?php 
flush();

function loadLinkInfo($link_id)
{
    global $CFG, $PDOX;
    $LTI = LTIX::requireData(LTIX::CONTEXT);
    $cacheloc = 'lti_link';
    $row = Cache::check($cacheloc, $link_id);
    if ($row != false) {
        return $row;
    }
    $stmt = $PDOX->queryDie("SELECT title FROM {$CFG->dbprefix}lti_link\n            WHERE link_id = :LID AND context_id = :CID", array(":LID" => $link_id, ":CID" => $LTI['context_id']));
    $row = $stmt->fetch(PDO::FETCH_ASSOC);
    Cache::set($cacheloc, $link_id, $row);
    return $row;
}

headerJson();
// Nothing for us to do
if (!isset($_GET[session_name()])) {
    echo json_encode(array("error" => "No session"));
    return;
}
if (isset($_COOKIE[session_name()])) {
    echo json_encode(array("status" => 'done'));
    return;
}
if (!isset($_GET['top'])) {
    echo json_encode(array("error" => "Need top= parameter"));
    return;
}
// Grab the session
$LTI = LTIX::requireData(LTIX::USER);
// This has already been set by someone so nothing to do
if (isset($_COOKIE['TSUGI_TOP_SESSION'])) {
    unset($_SESSION['TOP_CHECK']);
    // No point in further checks
    echo json_encode(array("top_session" => $_COOKIE['TSUGI_TOP_SESSION']));
    return;
}
// We are not the top frame
if ($_GET['top'] != 'true') {
    unset($_SESSION['TOP_CHECK']);
}
// No more checks are needed
if (!isset($_SESSION['TOP_CHECK']) || $_SESSION['TOP_CHECK'] < 1) {
    echo json_encode(array("status" => 'done'));
    return;

function mailDeleteSubmit($user_id, $assn_json, $note)
{
    global $CFG, $PDOX;
    if (!isset($CFG->maildomain) || $CFG->maildomain === false) {
        return false;
    }
    $LTI = LTIX::requireData();
    $user_row = loadUserInfoBypass($user_id);
    if ($user_row === false) {
        return false;
    }
    $to = $user_row['email'];
    if (strlen($to) < 1 || strpos($to, '@') === false) {
        return false;
    }
    $name = $user_row['displayname'];
    $token = computeMailCheck($user_id);
    $subject = 'From ' . $CFG->servicename . ', Your Peer Graded Entry Has Been Reset';
    $E = "\n";
    if (isset($CFG->maileol)) {
        $E = $CFG->maileol;
    }
    $message = "This is an automated message.  Your peer-graded entry has been reset.{$E}{$E}";
    if (isset($LTI['context_title'])) {
        $message .= 'Course Title: ' . $LTI['context_title'] . $E;
    }
    if (isset($LTI['link_title'])) {
        $message .= 'Assignment: ' . $LTI['link_title'] . $E;
    }
    if (isset($LTI['user_displayname'])) {
        $message .= 'Staff member doing reset: ' . $LTI['user_displayname'] . $E;
    }
    $fixnote = trim($note);
    if (strlen($fixnote) > 0) {
        if ($E != "\n") {
            $fixnote = str_replace("\n", $E, $fixnote);
        }
        $message .= "Notes regarding this action:" . $E . $fixnote . $E;
    }
    $message .= "{$E}You may now re-submit your peer-graded assignment.{$E}";
    $stmt = $PDOX->queryDie("INSERT INTO {$CFG->dbprefix}mail_sent\n            (context_id, link_id, user_to, user_from, subject, body, created_at)\n            VALUES ( :CID, :LID, :UTO, :UFR, :SUB, :BOD, NOW() )", array(":CID" => $LTI['context_id'], ":LID" => $LTI['link_id'], ":UTO" => $user_id, ":UFR" => $LTI['user_id'], ":SUB" => $subject, ":BOD" => $message));
    // echo $to, $subject, $message, $user_id, $token;
    $retval = mailSend($to, $subject, $message, $user_id, $token);
    return $retval;
}

<?php

require_once "../../config.php";
require_once $CFG->dirroot . "/pdo.php";
require_once $CFG->dirroot . "/lib/lms_lib.php";
require_once "blob_util.php";
use Tsugi\Core\LTIX;
// Sanity checks
$LTI = LTIX::requireData(array(LTIX::CONTEXT, LTIX::LINK));
// Model
$p = $CFG->dbprefix;
if (isset($_FILES['uploaded_file']) && $_FILES['uploaded_file']['error'] == 1) {
    $_SESSION['error'] = 'Error: Maximum size of ' . maxUpload() . 'MB exceeded.';
    header('Location: ' . addSession('index.php'));
    return;
}
if (isset($_FILES['uploaded_file']) && $_FILES['uploaded_file']['error'] == 0) {
    $filename = basename($_FILES['uploaded_file']['name']);
    if (strpos($filename, '.php') !== false) {
        $_SESSION['error'] = 'Error: Wrong file type.';
        header('Location: ' . addSession('index.php'));
        return;
    }
    $fp = fopen($_FILES['uploaded_file']['tmp_name'], "rb");
    $stmt = $PDOX->prepare("INSERT INTO {$p}sample_blob\n        (context_id, file_name, contenttype, content, created_at)\n        VALUES (?, ?, ?, ?, NOW())");
    $stmt->bindParam(1, $CONTEXT->id);
    $stmt->bindParam(2, $filename);
    $stmt->bindParam(3, $_FILES['uploaded_file']['type']);
    $stmt->bindParam(4, $fp, PDO::PARAM_LOB);
    $PDOX->beginTransaction();
    $stmt->execute();

Output::headerJson();
// Nothing for us to do
if (!isset($_GET[session_name()])) {
    echo json_encode(array("error" => "No session"));
    return;
}
if (isset($_COOKIE[session_name()])) {
    echo json_encode(array("status" => 'done'));
    return;
}
if (!isset($_GET['top'])) {
    echo json_encode(array("error" => "Need top= parameter"));
    return;
}
// Grab the session
$LAUNCH = LTIX::requireData(LTIX::USER);
// This has already been set by someone so nothing to do
if (isset($_COOKIE['TSUGI_TOP_SESSION'])) {
    unset($_SESSION['TOP_CHECK']);
    // No point in further checks
    echo json_encode(array("top_session" => $_COOKIE['TSUGI_TOP_SESSION']));
    return;
}
// We are not the top frame
if ($_GET['top'] != 'true') {
    unset($_SESSION['TOP_CHECK']);
}
// No more checks are needed
if (!isset($_SESSION['TOP_CHECK']) || $_SESSION['TOP_CHECK'] < 1) {
    echo json_encode(array("status" => 'done'));
    return;

<?php

require_once "../../config.php";
require_once $CFG->dirroot . "/pdo.php";
require_once $CFG->dirroot . "/lib/lms_lib.php";
require_once "blob_util.php";
use Tsugi\Core\LTIX;
// Sanity checks
$LTI = LTIX::requireData(LTIX::CONTEXT);
$id = $_REQUEST['id'];
if (strlen($id) < 1) {
    die("File not found");
}
$p = $CFG->dbprefix;
$stmt = $PDOX->prepare("SELECT contenttype, content, file_name FROM {$p}blob_file\n            WHERE file_id = :ID AND context_id = :CID");
$stmt->execute(array(":ID" => $id, ":CID" => $CONTEXT->id));
$row = $stmt->fetch(PDO::FETCH_ASSOC);
if ($row === false) {
    error_log('File not loaded: ' . $id);
    die("File not loaded");
}
if (!safeFileSuffix($row['file_name'])) {
    error_log('Unsafe file suffix: ' . $row['file_name']);
    die('Unsafe file suffix');
}
$mimetype = $row['contenttype'];
// die($mimetype);
if (strlen($mimetype) > 0) {
    header('Content-Type: ' . $mimetype);
}
// header('Content-Disposition: attachment; filename="'.$fn.'"');

<?php

require_once "../../../../config.php";
require_once $CFG->vendorinclude . "/lms_lib.php";
use Tsugi\Core\LTIX;
if (isset($_GET['endpoint']) && isset($_GET['debug'])) {
    // All good
} else {
    die('endpoint and debug are required');
}
$endpoint = $_GET['endpoint'];
$debug = $_GET['debug'] == 0;
// Grab the session
$LAUNCH = LTIX::requireData();
$debug = true;
$content = LTIX::getLaunchContent($endpoint, $debug);
echo $content;