public function isUploadTooLarge($getPost, $getFiles, $getServerValue)
{
// check that post_max_size has not been reached
// convert_to_bytes is the function turn `5M` to bytes because $_SERVER['CONTENT_LENGTH'] is in bytes.
if (isset($_SERVER['CONTENT_LENGTH']) && (int) $_SERVER['CONTENT_LENGTH'] > convert_to_bytes(ini_get('post_max_size'))) {
// ... with your logic
throw new Exception('File too large!');
}
}
public function test__convert_to_bytes()
{
$this->assertSame(102400, convert_to_bytes('k', 100));
$this->assertSame(104857600, convert_to_bytes('m', 100));
$this->assertSame(107374182400.0, convert_to_bytes('g', 100));
$this->assertSame(102400, convert_to_bytes('K', 100));
$this->assertSame(104857600, convert_to_bytes('M', 100));
$this->assertSame(107374182400.0, convert_to_bytes('G', 100));
$this->assertSame(100, convert_to_bytes('', 100));
$this->assertSame(1048576, convert_to_bytes('k', 1024));
}
function qa_get_max_upload_size()
{
if (qa_to_override(__FUNCTION__)) {
$args = func_get_args();
return qa_call_override(__FUNCTION__, $args);
}
$mindb = 16777215;
// from MEDIUMBLOB column type
$minphp = trim(ini_get('upload_max_filesize'));
$minphp = convert_to_bytes(substr($minphp, -1), $minphp);
return min($mindb, $minphp);
}
function qa_image_file_too_big($imagefile, $size = null)
{
if (function_exists('memory_get_usage')) {
$gotbytes = trim(@ini_get('memory_limit'));
$gotbytes = convert_to_bytes(substr($gotbytes, -1), $gotbytes);
if ($gotbytes > 0) {
// otherwise we clearly don't know our limit
$gotbytes = ($gotbytes - memory_get_usage()) * 0.9;
// safety margin of 10%
$needbytes = filesize($imagefile);
// memory to store file contents
$imagesize = @getimagesize($imagefile);
if (is_array($imagesize)) {
// if image can't be parsed, don't worry about anything else
$width = $imagesize[0];
$height = $imagesize[1];
$bits = isset($imagesize['bits']) ? $imagesize['bits'] : 8;
// these elements can be missing (PHP bug) so assume this as default
$channels = isset($imagesize['channels']) ? $imagesize['channels'] : 3;
// for more info: http://gynvael.coldwind.pl/?id=223
$needbytes += $width * $height * $bits * $channels / 8 * 2;
// memory to load original image
if (isset($size) && qa_image_constrain($width, $height, $size)) {
// memory for constrained image
$needbytes += $width * $height * 3 * 2;
}
// *2 here and above based on empirical tests
}
if ($needbytes > $gotbytes) {
return sqrt($gotbytes / ($needbytes * 1.5));
}
// additional 50% safety margin since JPEG quality may change
}
}
return false;
}
function qa_post_limit_exceeded()
{
if (in_array($_SERVER['REQUEST_METHOD'], array('POST', 'PUT')) && empty($_POST) && empty($_FILES)) {
$postmaxsize = ini_get('post_max_size');
// Gets the current post_max_size configuration
$unit = substr($postmaxsize, -1);
if (!is_numeric($unit)) {
$postmaxsize = substr($postmaxsize, 0, -1);
}
// Gets an integer value that can be compared against the size of the HTTP request
$postmaxsize = convert_to_bytes($unit, $postmaxsize);
return $_SERVER['CONTENT_LENGTH'] > $postmaxsize;
}
}
<?php
define('ROOT_PATH', '');
require_once ROOT_PATH . 'functions.php';
restrictAccess('u');
//xuca
/*
input.php
Input of questions into the database.
*/
$unparsed = '';
$lastErr = error_get_clear();
if (isset($_SERVER['CONTENT_LENGTH']) && (int) $_SERVER['CONTENT_LENGTH'] > convert_to_bytes(ini_get('post_max_size'))) {
echo 'File(s) too large.';
$error = true;
}
if (csrfVerify() && (posted("copypaste") || filed("fileupload") || posted("directentry"))) {
echo '<div style="font-size:0.8em;border:solid 1px #000000;display:inline-block;padding:5px;">
<i>We are processing your questions right now...</i><br><br>';
if (posted("directentry")) {
$err = '';
try {
$q = new qIO();
$q->addByArray($_POST["Q"]);
$q->commit();
} catch (Exception $e) {
$err = "Error: " . $e->getMessage();
}
if ($err == '') {
echo "Questions entered successfully, with Question-IDs <b>" . arrayToRanges($q->getQIDs()) . "</b><br><br><br>";
} else {