diff options
Diffstat (limited to 'addon/js_upload')
| -rw-r--r-- | addon/js_upload/js_upload.php | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/addon/js_upload/js_upload.php b/addon/js_upload/js_upload.php new file mode 100644 index 000000000..143f9ba33 --- /dev/null +++ b/addon/js_upload/js_upload.php @@ -0,0 +1,218 @@ +<?php + + +function js_upload_install() { + register_hooks('photo_post_init', 'addon/js_upload/js_upload.php', 'js_upload_post_init'); + register_hooks('photo_post_file', 'addon/js_upload/js_upload.php', 'js_upload_post_file'); + register_hooks('photo_post_end', 'addon/js_upload/js_upload.php', 'js_upload_post_end'); +} + + +function js_upload_uninstall() { + register_hooks('photo_post_init', 'addon/js_upload/js_upload.php', 'js_upload_post_init'); + register_hooks('photo_post_file', 'addon/js_upload/js_upload.php', 'js_upload_post_file'); + register_hooks('photo_post_end', 'addon/js_upload/js_upload.php', 'js_upload_post_end'); +} + + +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('uploads/'); + + // 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: ' . $result['error'] , 'LOGGER_DEBUG'); + killme(); + } + + +} + +function js_upload_photo_post_file(&$a,&$b) { + + $b['src'] = 'uploads/'.$result['filename']; + $b['filename'] = $result['filename']; + $b['filesize'] = filesize($src); +} + + +function js_upload_photo_post_end(&$a,&$b) { + + if(x($a->data,'upload_jsonresponse')) { + echo $a->data['upload_jsonresponse']; + @unlink($src); + killme(); + } + +} + + +/** + * Handle file uploads via XMLHttpRequest + */ +class qqUploadedFileXhr { + /** + * Save the file to the specified path + * @return boolean TRUE on success + */ + function save($path) { + $input = fopen("php://input", "r"); + $temp = tmpfile(); + $realSize = stream_copy_to_stream($input, $temp); + fclose($input); + + if ($realSize != $this->getSize()){ + return false; + } + + $target = fopen($path, "w"); + fseek($temp, 0, SEEK_SET); + stream_copy_to_stream($temp, $target); + fclose($target); + + return true; + } + 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 $_FILES array) + */ +class qqUploadedFileForm { + /** + * Save the file to the specified path + * @return boolean TRUE on success + */ + function save($path) { + if(!move_uploaded_file($_FILES['qqfile']['tmp_name'], $path)){ + return false; + } + return true; + } + 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 $val; + } + + /** + * Returns array('success'=>true) or array('error'=>'error message') + */ + function handleUpload($uploadDirectory, $replaceOldFile = FALSE){ + if (!is_writable($uploadDirectory)){ + return array('error' => t('Server error. Upload directory isn't writable.')); + } + + 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 = $pathinfo['filename']; + //$filename = md5(uniqid()); + $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 ') . $these . '.'); + } + + if(!$replaceOldFile){ + /// don't overwrite previous files that were uploaded + while (file_exists($uploadDirectory . $filename . '.' . $ext)) { + $filename .= rand(10, 99); + } + } + + if ($this->file->save($uploadDirectory . $filename . '.' . $ext)){ + return array('success'=>true,'filename' => $filename . '.' . $ext); + } else { + return array('error'=> t('Could not save uploaded file.') . + t('The upload was cancelled, or server error encountered'),'filename' => $filename . '.' . $ext); + } + + } +} |