function finalizeUpload($token, $total_chunks, $prev_uploaded)
{
$prev_token = $_SESSION["upload_token"];
if ($token != $prev_token) {
$ret["success"] = false;
$ret["code"] = "INVALID_TOKEN";
return $ret;
}
if ($total_chunks != $_SESSION["uploaded_chunks"] + 1) {
$ret["success"] = false;
$ret["code"] = "INVALID_CHUNK_INDEX";
return $ret;
}
if ($prev_uploaded != $_SESSION["uploaded_bytes"]) {
$ret["success"] = false;
$ret["code"] = "INVALID_PREV_UPLOADED";
return $ret;
}
//
unset($_SESSION["upload_token"]);
unset($_SESSION["uploaded_bytes"]);
unset($_SESSION["uploaded_chunks"]);
//
//
$dbh = dbconnect();
$user_id = $_SESSION["user_id"];
$query = "INSERT INTO `images`(`owner_id`, `quadrant`) VALUES ({$user_id}, 0)";
$count = $dbh->exec($query);
$insert_id = $dbh->lastInsertId();
NetDebug::trace("tpeof insert_id: " . gettype($insert_id));
NetDebug::trace("insert_id: {$insert_id}");
NetDebug::trace("insert_id*2: " . $insert_id * 2);
$id64 = Id64::encode($insert_id);
NetDebug::trace("id64: {$id64}");
$now = time();
$ip = ip2long($_SERVER['REMOTE_ADDR']);
//
$query = "INSERT INTO `image_uploads` (`upload_time` ,`image_id` ,`user_id` ,`user_ip`)\r\n VALUES ('{$now}' , '{$insert_id}', {$user_id}, '{$ip}')";
NetDebug::trace("query: {$query}");
$count = $dbh->exec($query);
NetDebug::trace("count: {$count}");
//
$tempFile_name = IMG_ROOT . "tmp/{$token}.tmp";
$temp_file = fopen($tempFile_name, "r");
do {
$size_byte = fread($temp_file, 1);
$size = ord($size_byte);
$length_str = fread($temp_file, 4);
//NetDebug::trace("length_str: $length_str");
$length = ord($length_str[0]) << 24 | ord($length_str[1]) << 16 | ord($length_str[2]) << 8 | ord($length_str[3]);
NetDebug::trace("length: {$length}");
$data = fread($temp_file, $length);
//
$size_hex = dechex($size);
$writeFolder_name = IMG_ROOT . "{$size_hex}/{$id64['0']}/{$id64['1']}";
//$writeFolder_name = IMG_ROOT . "$size_hex";
if (!file_exists($writeFolder_name)) {
mkdir($writeFolder_name, 0775, true);
}
$writeFile_name = "{$writeFolder_name}/{$id64}.jpg";
$writeFile = fopen($writeFile_name, 'w');
fwrite($writeFile, $data);
fclose($writeFile);
} while (ftell($temp_file) < filesize($tempFile_name));
fclose($temp_file);
unlink($tempFile_name);
//$file_name = "../upload/img/" . $token . ".jpg";
//rename($tempFile_name, $file_name);
//
$ret["success"] = true;
$ret["id"] = $id64;
return $ret;
}
<?php
include "../etc/id64.php";
for ($i = 10; $i < 1000; $i++) {
echo "<br>";
$num = rand(0, pow(2, 31));
$b32 = Id64::encode($num);
$num2 = Id64::decode($b32);
echo "{$num} {$b32} {$num2} ";
echo $num == $num2 ? "v" : "x";
}