<?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>'; $upload_msg = t('Upload a file'); $drop_msg = t('Drop files here to upload'); $cancel = t('Cancel'); $failed = t('Failed'); $b['addon_text'] .= <<< EOT <div id="file-uploader-demo1"> <noscript> <p>Please enable JavaScript to use file uploader.</p> <!-- or put a simple form for upload here --> </noscript> </div> <script type="text/javascript"> var uploader = null; function getSelected(opt) { var selected = new Array(); var index = 0; for (var intLoop = 0; intLoop < opt.length; intLoop++) { if ((opt[intLoop].selected) || (opt[intLoop].checked)) { index = selected.length; //selected[index] = new Object; selected[index] = opt[intLoop].value; //selected[index] = intLoop; } } return selected; } function createUploader() { uploader = new qq.FileUploader({ element: document.getElementById('file-uploader-demo1'), action: '{$b['post_url']}', template: '<div class="qq-uploader">' + '<div class="qq-upload-drop-area"><span>$drop_msg</span></div>' + '<div class="qq-upload-button">$upload_msg</div>' + '<ul class="qq-upload-list"></ul>' + '</div>', // template for one item in file list fileTemplate: '<li>' + '<span class="qq-upload-file"></span>' + '<span class="qq-upload-spinner"></span>' + '<span class="qq-upload-size"></span>' + '<a class="qq-upload-cancel" href="#">$cancel</a>' + '<span class="qq-upload-failed-text">$failed</span>' + '</li>', 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 ); } } }