Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
/**
*
* JavaScript Photo/Image Uploader
*
* Uses Valum 'qq' Uploader.
* Module Author: Chris Case
*
* Prior to enabling, ensure that you have a directory 'uploads'
* which is writable by the web server.
*
*/
function js_upload_install() {
register_hook('photo_upload_form', 'addon/js_upload/js_upload.php', 'js_upload_form');
register_hook('photo_post_init', 'addon/js_upload/js_upload.php', 'js_upload_post_init');
register_hook('photo_post_file', 'addon/js_upload/js_upload.php', 'js_upload_post_file');
register_hook('photo_post_end', 'addon/js_upload/js_upload.php', 'js_upload_post_end');
}
function js_upload_uninstall() {
unregister_hook('photo_upload_form', 'addon/js_upload/js_upload.php', 'js_upload_form');
unregister_hook('photo_post_init', 'addon/js_upload/js_upload.php', 'js_upload_post_init');
unregister_hook('photo_post_file', 'addon/js_upload/js_upload.php', 'js_upload_post_file');
unregister_hook('photo_post_end', 'addon/js_upload/js_upload.php', 'js_upload_post_end');
}
function js_upload_form(&$a,&$b) {
$b['default_upload'] = false;
$b['addon_text'] .= '<link href="' . $a->get_baseurl() . '/addon/js_upload/file-uploader/client/fileuploader.css" rel="stylesheet" type="text/css">';
$b['addon_text'] .= '<script src="' . $a->get_baseurl() . '/addon/js_upload/file-uploader/client/fileuploader.js" type="text/javascript"></script>';
$b['addon_text'] .= <<< EOT
<div id="file-uploader-demo1">
<noscript>
<p>Please enable JavaScript to use file uploader.</p>
<!-- or put a simple form for upload here -->
</noscript>
</div>
<script type="text/javascript">
var uploader = null;
function getSelected(opt) {
var selected = new Array();
var index = 0;
for (var intLoop = 0; intLoop < opt.length; intLoop++) {
if ((opt[intLoop].selected) ||
(opt[intLoop].checked)) {
index = selected.length;
//selected[index] = new Object;
selected[index] = opt[intLoop].value;
//selected[index] = intLoop;
}
}
return selected;
}
function createUploader() {
uploader = new qq.FileUploader({
element: document.getElementById('file-uploader-demo1'),
action: '{$b['post_url']}',
debug: true,
onSubmit: function(id,filename) {
uploader.setParams( {
newalbum : document.getElementById('photos-upload-newalbum').value,
album : document.getElementById('photos-upload-album-select').value,
group_allow : getSelected(document.getElementById('group_allow')).join(','),
contact_allow : getSelected(document.getElementById('contact_allow')).join(','),
group_deny : getSelected(document.getElementById('group_deny')).join(','),
contact_deny : getSelected(document.getElementById('contact_deny')).join(',')
});
}
});
}
// in your app create uploader as soon as the DOM is ready
// don't wait for the window to load
window.onload = createUploader;
</script>
EOT;
}
function js_upload_post_init(&$a,&$b) {
// list of valid extensions, ex. array("jpeg", "xml", "bmp")
$allowedExtensions = array("jpeg","gif","png","jpg");
// max file size in bytes
$sizeLimit = 6 * 1024 * 1024;
$uploader = new qqFileUploader($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('mod/photos.php: photos_post(): error uploading photo: ' . $result['error'] , 'LOGGER_DEBUG');
killme();
}
$a->data['upload_result'] = $result;
}
function js_upload_post_file(&$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(&$a,&$b) {
logger('upload_post_end');
if(x($a->data,'upload_jsonresponse')) {
echo $a->data['upload_jsonresponse'];
killme();
}
}
/**
* 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");
$this->pathnm = tempnam(sys_get_temp_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 = array();
private $sizeLimit = 10485760;
private $file;
function __construct(array $allowedExtensions = array(), $sizeLimit = 10485760){
$allowedExtensions = array_map("strtolower", $allowedExtensions);
$this->allowedExtensions = $allowedExtensions;
$this->sizeLimit = $sizeLimit;
$this->checkServerSettings();
if (isset($_GET['qqfile'])) {
$this->file = new qqUploadedFileXhr();
} elseif (isset($_FILES['qqfile'])) {
$this->file = new qqUploadedFileForm();
} else {
$this->file = false;
}
}
private function checkServerSettings(){
$postSize = $this->toBytes(ini_get('post_max_size'));
$uploadSize = $this->toBytes(ini_get('upload_max_filesize'));
logger('mod/photos.php: qqFileUploader(): upload_max_filesize=' . $uploadSize , 'LOGGER_DEBUG');
if ($postSize < $this->sizeLimit || $uploadSize < $this->sizeLimit){
$size = max(1, $this->sizeLimit / 1024 / 1024) . 'M';
die("{'error':'increase post_max_size and upload_max_filesize to $size'}");
}
}
private function toBytes($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 array('error' => t('No files were uploaded.'));
}
$size = $this->file->getSize();
if ($size == 0) {
return array('error' => t('Uploaded file is empty'));
}
if ($size > $this->sizeLimit) {
return array('error' => t('Uploaded file is too large'));
}
$maximagesize = get_config('system','maximagesize');
if(($maximagesize) && ($size > $maximagesize)) {
return array('error' => t('Image exceeds size limit of ') . $maximagesize );
}
$pathinfo = pathinfo($this->file->getName());
$filename = $pathinfo['filename'];
$ext = $pathinfo['extension'];
if($this->allowedExtensions && !in_array(strtolower($ext), $this->allowedExtensions)){
$these = implode(', ', $this->allowedExtensions);
return array('error' => t('File has an invalid extension, it should be one of ') . $these . '.');
}
if ($this->file->save()){
return array(
'success'=>true,
'path' => $this->file->getPath(),
'filename' => $filename . '.' . $ext
);
} else {
return array(
'error'=> t('Upload was cancelled, or server error encountered'),
'path' => $this->file->getPath(),
'filename' => $filename . '.' . $ext
);
}
}
}