Official Addons for the Friendica Communications Platform. (please note that this is a clone of the repository at github, issues are handled there)
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<?php
/**
* Name: JS Uploader
* Description: JavaScript photo/image uploader. Helpful for uploading multiple files at once. Uses Valum 'qq' Uploader.
* Version: 1.1
* Author: Chris Case <http://friendika.openmindspace.org/profile/chris_case>
* Maintainer: Hypolite Petovan <https://friendica.mrpetovan.com/profile/hypolite>
*/
use Friendica\App;
use Friendica\Core\Hook;
use Friendica\Core\Logger;
use Friendica\Core\Renderer;
use Friendica\DI;
use Friendica\Util\Strings;
function js_upload_install()
{
Hook::register('photo_upload_form', __FILE__, 'js_upload_form');
Hook::register('photo_post_init', __FILE__, 'js_upload_post_init');
Hook::register('photo_post_file', __FILE__, 'js_upload_post_file');
Hook::register('photo_post_end', __FILE__, 'js_upload_post_end');
}
function js_upload_form(App $a, array &$b)
{
$b['default_upload'] = false;
DI::page()->registerStylesheet('addon/js_upload/file-uploader/client/fileuploader.css');
DI::page()->registerFooterScript('addon/js_upload/file-uploader/client/fileuploader.js');
$tpl = Renderer::getMarkupTemplate('js_upload.tpl', 'addon/js_upload');
$b['addon_text'] .= Renderer::replaceMacros($tpl, [
'$upload_msg' => DI::l10n()->t('Select files for upload'),
'$drop_msg' => DI::l10n()->t('Drop files here to upload'),
'$cancel' => DI::l10n()->t('Cancel'),
'$failed' => DI::l10n()->t('Failed'),
'$post_url' => $b['post_url'],
'$maximagesize' => intval(DI::config()->get('system', 'maximagesize')),
]);
}
function js_upload_post_init(App $a, &$b)
{
// list of valid extensions
$allowedExtensions = ['jpeg', 'gif', 'png', 'jpg'];
// max file size in bytes
$sizeLimit = DI::config()->get('system', 'maximagesize');
$uploader = new qqFileUploader($allowedExtensions, $sizeLimit);
$result = $uploader->handleUpload();
// to pass data through iframe you will need to encode all html tags
$a->data['upload_jsonresponse'] = htmlspecialchars(json_encode($result), ENT_NOQUOTES);
if (isset($result['error'])) {
Logger::log('mod/photos.php: photos_post(): error uploading photo: ' . $result['error'], Logger::DEBUG);
echo json_encode($result);
exit();
}
$a->data['upload_result'] = $result;
}
function js_upload_post_file(App $a, &$b)
{
$result = $a->data['upload_result'];
$b['src'] = $result['path'];
$b['filename'] = $result['filename'];
$b['filesize'] = filesize($b['src']);
}
function js_upload_post_end(App $a, &$b)
{
Logger::log('upload_post_end');
if (!empty($a->data['upload_jsonresponse'])) {
echo $a->data['upload_jsonresponse'];
exit();
}
}
/**
* Handle file uploads via XMLHttpRequest
*/
class qqUploadedFileXhr
{
private $pathnm = '';
/**
* Save the file in the temp dir.
*
* @return boolean TRUE on success
*/
function save()
{
$input = fopen('php://input', 'r');
$upload_dir = DI::config()->get('system', 'tempdir');
if (!$upload_dir)
$upload_dir = sys_get_temp_dir();
$this->pathnm = tempnam($upload_dir, 'frn');
$temp = fopen($this->pathnm, 'w');
$realSize = stream_copy_to_stream($input, $temp);
fclose($input);
fclose($temp);
if ($realSize != $this->getSize()) {
return false;
}
return true;
}
function getPath()
{
return $this->pathnm;
}
function getName()
{
return $_GET['qqfile'];
}
function getSize()
{
if (isset($_SERVER['CONTENT_LENGTH'])) {
return (int)$_SERVER['CONTENT_LENGTH'];
} else {
throw new Exception('Getting content length is not supported.');
}
}
}
/**
* Handle file uploads via regular form post (uses the $_FILES array)
*/
class qqUploadedFileForm
{
/**
* Save the file to the specified path
*
* @return boolean TRUE on success
*/
function save()
{
return true;
}
function getPath()
{
return $_FILES['qqfile']['tmp_name'];
}
function getName()
{
return $_FILES['qqfile']['name'];
}
function getSize()
{
return $_FILES['qqfile']['size'];
}
}
class qqFileUploader
{
private $allowedExtensions = [];
private $sizeLimit = 10485760;
private $file;
function __construct(array $allowedExtensions = [], $sizeLimit = 10485760)
{
$allowedExtensions = array_map('strtolower', $allowedExtensions);
$this->allowedExtensions = $allowedExtensions;
$this->sizeLimit = $sizeLimit;
if (isset($_GET['qqfile'])) {
$this->file = new qqUploadedFileXhr();
} elseif (isset($_FILES['qqfile'])) {
$this->file = new qqUploadedFileForm();
} else {
$this->file = false;
}
}
private function toBytes($str)
{
$val = trim($str);
$last = strtolower($str[strlen($str) - 1]);
switch ($last) {
case 'g':
$val *= 1024;
case 'm':
$val *= 1024;
case 'k':
$val *= 1024;
}
return $val;
}
/**
* Returns array('success'=>true) or array('error'=>'error message')
*/
function handleUpload()
{
if (!$this->file) {
return ['error' => DI::l10n()->t('No files were uploaded.')];
}
$size = $this->file->getSize();
if ($size == 0) {
return ['error' => DI::l10n()->t('Uploaded file is empty')];
}
// if ($size > $this->sizeLimit) {
// return array('error' => DI::l10n()->t('Uploaded file is too large'));
// }
$maximagesize = DI::config()->get('system', 'maximagesize');
if (($maximagesize) && ($size > $maximagesize)) {
return ['error' => DI::l10n()->t('Image exceeds size limit of %s', Strings::formatBytes($maximagesize))];
}
$pathinfo = pathinfo($this->file->getName());
$filename = $pathinfo['filename'];
if (!isset($pathinfo['extension'])) {
Logger::warning('extension isn\'t set.', ['filename' => $filename]);
}
$ext = $pathinfo['extension'] ?? '';
if ($this->allowedExtensions && !in_array(strtolower($ext), $this->allowedExtensions)) {
return ['error' => DI::l10n()->t('File has an invalid extension, it should be one of %s.', implode(', ', $this->allowedExtensions))];
}
if ($this->file->save()) {
return [
'success' => true,
'path' => $this->file->getPath(),
'filename' => $filename . '.' . $ext
];
} else {
return [
'error' => DI::l10n()->t('Upload was cancelled, or server error encountered'),
'path' => $this->file->getPath(),
'filename' => $filename . '.' . $ext
];
}
}
}