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<?php
/**
* MultipleFileUpload (https://github.com/jkuchar/MultipleFileUpload/)
*
* Copyright (c) 2014 Jan Kuchař (https://github.com/jkuchar), Ciki (https://github.com/Ciki)
* and contributors https://github.com/jkuchar/MultipleFileUpload/graphs/contributors
*
* For the full copyright and license information, please view
* the file license.txt that was distributed with this source code.
*/
namespace MultipleFileUpload;
use MultipleFileUpload\Model\IQueue,
MultipleFileUpload\Model\IQueues,
MultipleFileUpload\UI\Registrator,
Nette\Environment,
Nette\Forms,
Nette\Forms\Container,
Nette\Forms\Controls\UploadControl,
Nette\Http\FileUpload,
Nette\InvalidStateException,
Nette\NotSupportedException,
Nette\Utils\Callback,
Nette\Utils\Htm
8000
l,
Nette\Utils\Strings;
class MultipleFileUpload extends UploadControl
{
/**
* Is files handle uploads called?
* @var bool
* @see self::handleUploads()
*/
private static $handleUploadsCalled = false;
/**
* Model
* @var IQueues
* @see self::init()
*/
protected static $queuesModel;
/**
* Validate file callback
* @var Callback
* @return bool
* @param FileUpload File to be checked
*/
public static $validateFileCallback;
/**
* Interface registrator instance
* @var Registrator
*/
public static $interfaceRegistrator;
/**
* Root of mfu directory in public folder (used for serving js, css, ...)
* @var string
*/
public static $baseWWWRoot = null;
/**
* Initialize MFU
*/
public static function init()
{
// Init UI registrator
$uiReg = self::$interfaceRegistrator = new Registrator();
$uiReg->register("MultipleFileUpload\\UI\\HTML4SingleUpload");
$uiReg->register("MultipleFileUpload\\UI\\Plupload");
// Set default check callback
self::$validateFileCallback = callback(__CLASS__, "validateFile");
// TODO: remove this magic
self::$baseWWWRoot = Environment::getHttpRequest()->url->baseUrl . "MultipleFileUpload/";
}
/**
* Register MFU into Nette
*/
public static function register()
{
self::init();
$application = Environment::getApplication();
$application->onStartup[] = callback(__CLASS__, "handleUploads");
$application->onShutdown[] = callback(__CLASS__, "cleanCache");
}
/* ########## HANDLING UPLOADS ########### */
/**
* Sets life time of files in queue (shortcut for self::getQueuesModel()->setLifeTime)
* @param int $lifeTime Time in seconds
*/
static function setLifeTime($lifeTime)
{
self::getQueuesModel()
->setLifeTime((int) $lifeTime);
}
protected static function _doSetLifetime()
{
// Auto config of lifeTime
$maxInputTime = (int) ini_get("max_input_time");
// default if no max input time defined (-1)
if ($maxInputTime < 0) {
$lifeTime = 3600;
} else {
$lifeTime = $maxInputTime + 5;
}
self::setLifeTime($lifeTime);
}
/**
* Handles uploading files
*/
public static function handleUploads()
{
if (self::$handleUploadsCalled === true) {
return;
} else {
self::$handleUploadsCalled = true;
}
$req = Environment::getHttpRequest();
// Workaround for: http://forum.nettephp.com/cs/3680-httprequest-getheaders-a-content-type
$contentType = $req->getHeader("content-type");
if (!$contentType and isset($_SERVER["CONTENT_TYPE"])) {
$contentType = $_SERVER["CONTENT_TYPE"];
}
if ($req->getMethod() !== "POST") {
return;
}
self::getQueuesModel()->initialize();
foreach (self::getUIRegistrator()->getInterfaces() AS $interface) {
// \Nette\Diagnostics\Debugger::log($interface->getReflection()->getName().": is this your upload? ".$interface->isThisYourUpload());
if ($interface->isThisYourUpload()) {
$ret = $interface->handleUploads();
if ($ret === true)
break;
}
}
}
/**
* Checks file if is ok and can be processed
* @param FileUpload $file
* @return bool
*/
public static function validateFile(FileUpload $file)
{
return $file->isOk();
}
/**
* Cleans cache
*/
public static function cleanCache()
{
if (!Environment::isProduction() or rand(1, 100) < 5) {
self::getQueuesModel()->cleanup();
}
}
/**
* @return IQueues
* @throws InvalidStateException
*/
public static function getQueuesModel()
{
if (!self::$queuesModel) { // if nothing is set, setup sqlite model, which should work on all systems with SQLite
self::setQueuesModel(new Model\SQLite3\Queues());
}
if (!self::$queuesModel instanceof IQueues) {
throw new InvalidStateException("Queues model is not instance of Model\IQueues!");
}
return self::$queuesModel;
}
/**
* Sets new queues model
* @param IQueues $model
*/
public static function setQueuesModel(IQueues $model) {
self::$queuesModel = $model;
self::_doSetLifetime();
}
/**
* @return Registrator
*/
public static function getUIRegistrator()
{
if (!self::$interfaceRegistrator instanceof Registrator) {
throw new InvalidStateException("Interface registrator is not instance of MultipleFileUpload\UI\Registrator!");
}
return self::$interfaceRegistrator;
}
public static function getHead()
{
// TODO: Add MFUFallbackController?
$out = "";
foreach (self::getUIRegistrator()->getInterfaces() AS $interface) {
$out .= $interface->renderHeadSection();
}
return $out;
}
/* * ****************************************************************************
* ************************* Form Control **************************************
* ***************************************************************************** */
/**
* Unique identifier
* @var string
*/
public $token;
/**
* Maximum selected files in one input
* @var int
*/
public $maxFiles;
/**
* Maximum file size of single uploaded file
* @var int
*/
public $maxFileSize;
/**
* How many threads will be used to upload files
* @var int
*/
public $simUploadThreads;
/**
* Constructor
* @param string $label Label
*/
public function __construct($label = NULL, $maxSelectedFiles = 25)
{
parent::__construct($label);
if (!self::$handleUploadsCalled) {
throw new InvalidStateException("MultipleFileUpload::handleUpload() has not been called. Call `MultipleFileUpload::register();` from your bootstrap before you call Applicaton::run();");
};
$this->maxFiles = $maxSelectedFiles;
$this->control = Html::el("div"); // TODO: support for prototype
$this->maxFileSize = self::parseIniSize(ini_get('upload_max_filesize'));
$this->simUploadThreads = 5;
}
/**
* Generates control
* @return Html
*/
public function getControl()
{
$this->setOption('rendered', TRUE);
// Create control
$control = Html::el('div class=MultipleFileUpload')->id($this->getHtmlId());
// <section token field>
$tokenField = Html::el('input type=hidden')->name($this->getHtmlNa
8000
me() . '[token]')->value($this->getToken());
$control->add($tokenField);
// </section token field>
$fallbacks = array();
$interfaces = self::getUIRegistrator()->getInterfaces();
$num = count($interfaces);
$cnt = 1;
foreach ($interfaces AS $interface) {
$html = $interface->render($this);
// remove wrapping <script> tags
$init = Strings::replace($interface->renderInitJavaScript($this), '/\s*<\/?script>\s*/');
$desctruct = $interface->renderDestructJavaScript($this);
$id = $this->getHtmlId() . "-MFUInterface-" . Strings::webalize($interface->reflection->name);
$fallback = (object) array(
"id" => $id,
"init" => $init,
"destruct" => $desctruct
);
$fallbacks[] = $fallback;
$container = Html::el("div");
$container->setHtml($html);
$container->id = $id;
if ($cnt == $num) { // Last (will be rendered as JavaScript-disabled capable)
$container->style["display"] = "block";
} else {
$container->style["display"] = "none";
}
$cnt++;
$control->add($container);
}
$template = new UI\Template();
$template->setFile(dirname(__FILE__) . DIRECTORY_SEPARATOR . "RegisterJS.latte");
$template->id = $this->getHtmlId();
$template->fallbacks = $fallbacks;
$control->add($template->__toString(TRUE));
/*
// <section without JavaScript>
$withoutJS = Html::el("div class=withoutJS");
$standardFileInput = Html::el("input type=file")
->name($this->getHtmlName() . '[files][]');
$withoutJS->add($this->createSectionWithoutJS($standardFileInput));
$control->add($withoutJS);
// </section without JavaScript>
// <section with JavaScript>
$withJS = Html::el("div class=withJS");
$uploadifyID = $this->getHtmlId() . "-uploadifyBox";
$withJS->add($this->createSectionWithJS($uploadifyID, $this->getToken()));
$control->add($withJS);
// </section with JavaScript>
*/
// If handleUploads() already called -
/* if(self::$handleUploadsCheck){
$control->add(Html::el('script type=text/javascript')->add(
'jQuery("#' . $uploadifyID . '").uploadify(' . json_encode($this->uploaderOptions) . ');'
));
}; */
return $control;
}
/**
* Loads and process STANDARD http request. NOT uploadify requests!
*/
public function loadHttpData()
{
$name = $this->getHtmlName() . '[token]';
$data = $this->getForm()->getHttpData();
// Get queue token for received files
// -> js & non-js as well (for js only the token is received)
if (!empty($data)) {
$token = Forms\Helpers::extractHttpData($data, $name, Forms\Form::DATA_LINE);
if ($token) {
$this->token = $token;
} else {
throw new InvalidStateException("Token has not been received! Without token MultipleFileUploader can't identify which files has been received.");
}
}
}
/**
* Sets value
* @param mixed $value
*/
public function setValue($value)
{
if ($value === null) {
// deleted automatically in destructor
} else {
throw new NotSupportedException('Value of MultiFileUpload component cannot be directly set.');
}
}
/**
* Gets value
* @return array
*/
public function getValue()
{
$data = $this->getQueue()->getFiles();
// Get only first <N> allowed files
// TODO: Implement as validation rule?
$pocetPolozek = count($data);
if ($pocetPolozek > $this->maxFiles) {
$rozdil = $pocetPolozek - $this->maxFiles;
for ($rozdil = $pocetPolozek - $this->maxFiles; $rozdil > 0; $rozdil--) {
array_pop($data);
}
}
return $data;
}
/**
* Returns token
* @return string|null
*/
public function getToken($need = true)
{
// Load token from request
if (!$this->token) {
$this->loadHttpData();
}
// If upload does not start, generate queueID
if (!$this->token and ! $this->form->isSubmitted()) {
$this->token = uniqid(rand());
}
if (!$this->token AND $need) {
throw new InvalidStateException("Can't get a token!");
}
return $this->token;
}
/**
* Gets queue model
* @return IQueue
*/
public function getQueue()
{
return self::getQueuesModel()->getQueue($this->getToken());
}
/**
* Destructors: makes fast cleanup
*/
public function __destruct()
{
if ($this->getForm()->isSubmitted()) {
// comment out if you want to keep files after form submission as well, for cases of server errors so F5 can be used to refresh
$this->getQueue()->delete();
}
}
/* * ****************************************************************************
* *************************** Validators **************************************
* ***************************************************************************** */
/**
* Filled validator: has been any file uploaded?
* @param Forms\IControl
* @return bool
*/
public static function validateFilled(Forms\IControl $control)
{
$files = $control->getValue();
return (count($files) > 0);
}
/**
* FileSize validator: is file size in limit?
* @param Forms\Controls\UploadControl
* @param int file size limit
* @return bool
*/
public static function validateFileSize(Forms\Controls\UploadControl $control, $limit)
{
$files = $control->getValue();
$size = 0;
foreach ($files AS $file) {
$size += $file->getSize();
}
return $size <= $limit;
}
/**
* MimeType validator: has file specified mime type?
* @param FileUpload
* @param array|string mime type
* @return bool
*/
public static function validateMimeType(Forms\Controls\UploadControl $control, $mimeType)
{
throw new NotSupportedException("Can't validate mime type! This is MULTIPLE file upload control.");
}
/* * ******************* Helpers ******************** */
/**
* Parses ini size
* @param string $value
* @return int
*/
public static function parseIniSize($value)
{
$units = array('k' => 1024, 'm' => 1048576, 'g' => 1073741824);
$unit = strtolower(substr($value, -1));
if (is_numeric($unit) || !isset($units[$unit]))
return $value;
return ((int) $value) * $units[$unit];
}
}
/**
* Extension method for FormContainer
*/
function FormContainer_addMultipleFileUpload(Forms\Container $_this, $name, $label = NULL, $maxFiles = 25)
{
return $_this[$name] = new MultipleFileUpload($label, $maxFiles);
}
Container::extensionMethod("\Nette\Forms\Container::addMultipleFileUpload", "MultipleFileUpload\FormContainer_addMultipleFileUpload");