namibia
df0489e1eeeeab5a9bd44e1d84fce49924fe1bac
namibia / public / scripts / blueimp-jQuery-File-Upload / server / php / upload.class.php
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<?php /* * jQuery File Upload Plugin PHP Class 5.11 * https://github.com/blueimp/jQuery-File-Upload * * Copyright 2010, Sebastian Tschan * https://blueimp.net * * Licensed under the MIT license: * http://www.opensource.org/licenses/MIT */ class UploadHandler { protected $options; function __construct($options=null) { $this->options = array( 'script_url' => $this->getFullUrl().'/', 'upload_dir' => dirname($_SERVER['SCRIPT_FILENAME']).'/files/', 'upload_url' => $this->getFullUrl().'/files/', 'param_name' => 'files', // Set the following option to 'POST', if your server does not support // DELETE requests. This is a parameter sent to the client: 'delete_type' => 'DELETE', // The php.ini settings upload_max_filesize and post_max_size // take precedence over the following max_file_size setting: 'max_file_size' => null, 'min_file_size' => 1, 'accept_file_types' => '/.+$/i', // The maximum number of files for the upload directory: 'max_number_of_files' => null, // Image resolution restrictions: 'max_width' => null, 'max_height' => null, 'min_width' => 1, 'min_height' => 1, // Set the following option to false to enable resumable uploads: 'discard_aborted_uploads' => true, // Set to true to rotate images based on EXIF meta data, if available: 'orient_image' => false, 'image_versions' => array( // Uncomment the following version to restrict the size of // uploaded images. You can also add additional versions with // their own upload directories: /* 'large' => array( 'upload_dir' => dirname($_SERVER['SCRIPT_FILENAME']).'/files/', 'upload_url' => $this->getFullUrl().'/files/', 'max_width' => 1920, 'max_height' => 1200, 'jpeg_quality' => 95 ), */ 'thumbnail' => array( 'upload_dir' => dirname($_SERVER['SCRIPT_FILENAME']).'/thumbnails/', 'upload_url' => $this->getFullUrl().'/thumbnails/', 'max_width' => 80, 'max_height' => 80 ) ) ); if ($options) { $this->options = array_replace_recursive($this->options, $options); } } protected function getFullUrl() { return (isset($_SERVER['HTTPS']) ? 'https://' : 'http://'). (isset($_SERVER['REMOTE_USER']) ? $_SERVER['REMOTE_USER'].'@' : ''). (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : ($_SERVER['SERVER_NAME']. (isset($_SERVER['HTTPS']) && $_SERVER['SERVER_PORT'] === 443 || $_SERVER['SERVER_PORT'] === 80 ? '' : ':'.$_SERVER['SERVER_PORT']))). substr($_SERVER['SCRIPT_NAME'],0, strrpos($_SERVER['SCRIPT_NAME'], '/')); } protected function set_file_delete_url($file) { $file->delete_url = $this->options['script_url'] .'?file='.rawurlencode($file->name); $file->delete_type = $this->options['delete_type']; if ($file->delete_type !== 'DELETE') { $file->delete_url .= '&_method=DELETE'; } } protected function get_file_object($file_name) { $file_path = $this->options['upload_dir'].$file_name; if (is_file($file_path) && $file_name[0] !== '.') { $file = new stdClass(); $file->name = $file_name; $file->size = filesize($file_path); $file->url = $this->options['upload_url'].rawurlencode($file->name); foreach($this->options['image_versions'] as $version => $options) { if (is_file($options['upload_dir'].$file_name)) { $file->{$version.'_url'} = $options['upload_url'] .rawurlencode($file->name); } } $this->set_file_delete_url($file); return $file; } return null; } protected function get_file_objects() { return array_values(array_filter(array_map( array($this, 'get_file_object'), scandir($this->options['upload_dir']) ))); } protected function create_scaled_image($file_name, $options) { $file_path = $this->options['upload_dir'].$file_name; $new_file_path = $options['upload_dir'].$file_name; list($img_width, $img_height) = @getimagesize($file_path); if (!$img_width || !$img_height) { return false; } $scale = min( $options['max_width'] / $img_width, $options['max_height'] / $img_height ); if ($scale >= 1) { if ($file_path !== $new_file_path) { return copy($file_path, $new_file_path); } return true; } $new_width = $img_width * $scale; $new_height = $img_height * $scale; $new_img = @imagecreatetruecolor($new_width, $new_height); switch (strtolower(substr(strrchr($file_name, '.'), 1))) { case 'jpg': case 'jpeg': $src_img = @imagecreatefromjpeg($file_path); $write_image = 'imagejpeg'; $image_quality = isset($options['jpeg_quality']) ? $options['jpeg_quality'] : 75; break; case 'gif': @imagecolortransparent($new_img, @imagecolorallocate($new_img, 0, 0, 0)); $src_img = @imagecreatefromgif($file_path); $write_image = 'imagegif'; $image_quality = null; break; case 'png': @imagecolortransparent($new_img, @imagecolorallocate($new_img, 0, 0, 0)); @imagealphablending($new_img, false); @imagesavealpha($new_img, true); $src_img = @imagecreatefrompng($file_path); $write_image = 'imagepng'; $image_quality = isset($options['png_quality']) ? $options['png_quality'] : 9; break; default: $src_img = null; } $success = $src_img && @imagecopyresampled( $new_img, $src_img, 0, 0, 0, 0, $new_width, $new_height, $img_width, $img_height ) && $write_image($new_img, $new_file_path, $image_quality); // Free up memory (imagedestroy does not delete files): @imagedestroy($src_img); @imagedestroy($new_img); return $success; } protected function validate($uploaded_file, $file, $error, $index) { if ($error) { $file->error = $error; return false; } if (!$file->name) { $file->error = 'missingFileName'; return false; } if (!preg_match($this->options['accept_file_types'], $file->name)) { $file->error = 'acceptFileTypes'; return false; } if ($uploaded_file && is_uploaded_file($uploaded_file)) { $file_size = filesize($uploaded_file); } else { $file_size = $_SERVER['CONTENT_LENGTH']; } if ($this->options['max_file_size'] && ( $file_size > $this->options['max_file_size'] || $file->size > $this->options['max_file_size']) ) { $file->error = 'maxFileSize'; return false; } if ($this->options['min_file_size'] && $file_size < $this->options['min_file_size']) { $file->error = 'minFileSize'; return false; } if (is_int($this->options['max_number_of_files']) && ( count($this->get_file_objects()) >= $this->options['max_number_of_files']) ) { $file->error = 'maxNumberOfFiles'; return false; } list($img_width, $img_height) = @getimagesize($uploaded_file); if (is_int($img_width)) { if ($this->options['max_width'] && $img_width > $this->options['max_width'] || $this->options['max_height'] && $img_height > $this->options['max_height']) { $file->error = 'maxResolution'; return false; } if ($this->options['min_width'] && $img_width < $this->options['min_width'] || $this->options['min_height'] && $img_height < $this->options['min_height']) { $file->error = 'minResolution'; return false; } } return true; } protected function upcount_name_callback($matches) { $index = isset($matches[1]) ? intval($matches[1]) + 1 : 1; $ext = isset($matches[2]) ? $matches[2] : ''; return ' ('.$index.')'.$ext; } protected function upcount_name($name) { return preg_replace_callback( '/(?:(?: \(([\d]+)\))?(\.[^.]+))?$/', array($this, 'upcount_name_callback'), $name, 1 ); } protected function trim_file_name($name, $type, $index) { // Remove path information and dots around the filename, to prevent uploading // into different directories or replacing hidden system files. // Also remove control characters and spaces (\x00..\x20) around the filename: $file_name = trim(basename(stripslashes($name)), ".\x00..\x20"); // Add missing file extension for known image types: if (strpos($file_name, '.') === false && preg_match('/^image\/(gif|jpe?g|png)/', $type, $matches)) { $file_name .= '.'.$matches[1]; } if ($this->options['discard_aborted_uploads']) { while(is_file($this->options['upload_dir'].$file_name)) { $file_name = $this->upcount_name($file_name); } } return $file_name; } protected function handle_form_data($file, $index) { // Handle form data, e.g. $_REQUEST['description'][$index] } protected function orient_image($file_path) { $exif = @exif_read_data($file_path); if ($exif === false) { return false; } $orientation = intval(@$exif['Orientation']); if (!in_array($orientation, array(3, 6, 8))) { return false; } $image = @imagecreatefromjpeg($file_path); switch ($orientation) { case 3: $image = @imagerotate($image, 180, 0); break; case 6: $image = @imagerotate($image, 270, 0); break; case 8: $image = @imagerotate($image, 90, 0); break; default: return false; } $success = imagejpeg($image, $file_path); // Free up memory (imagedestroy does not delete files): @imagedestroy($image); return $success; } protected function handle_file_upload($uploaded_file, $name, $size, $type, $error, $index) { $file = new stdClass(); $file->name = $this->trim_file_name($name, $type, $index); $file->size = intval($size); $file->type = $type; if ($this->validate($uploaded_file, $file, $error, $index)) { $this->handle_form_data($file, $index); $file_path = $this->options['upload_dir'].$file->name; $append_file = !$this->options['discard_aborted_uploads'] && is_file($file_path) && $file->size > filesize($file_path); clearstatcache(); if ($uploaded_file && is_uploaded_file($uploaded_file)) { // multipart/formdata uploads (POST method uploads) if ($append_file) { file_put_contents( $file_path, fopen($uploaded_file, 'r'), FILE_APPEND ); } else { move_uploaded_file($uploaded_file, $file_path); } } else { // Non-multipart uploads (PUT method support) file_put_contents( $file_path, fopen('php://input', 'r'), $append_file ? FILE_APPEND : 0 ); } $file_size = filesize($file_path); if ($file_size === $file->size) { if ($this->options['orient_image']) { $this->orient_image($file_path); } $file->url = $this->options['upload_url'].rawurlencode($file->name); foreach($this->options['image_versions'] as $version => $options) { if ($this->create_scaled_image($file->name, $options)) { if ($this->options['upload_dir'] !== $options['upload_dir']) { $file->{$version.'_url'} = $options['upload_url'] .rawurlencode($file->name); } else { clearstatcache(); $file_size = filesize($file_path); } } } } else if ($this->options['discard_aborted_uploads']) { unlink($file_path); $file->error = 'abort'; } $file->size = $file_size; $this->set_file_delete_url($file); } return $file; } public function get() { $file_name = isset($_REQUEST['file']) ? basename(stripslashes($_REQUEST['file'])) : null; if ($file_name) { $info = $this->get_file_object($file_name); } else { $info = $this->get_file_objects(); } header('Content-type: application/json'); echo json_encode($info); } public function post() { if (isset($_REQUEST['_method']) && $_REQUEST['_method'] === 'DELETE') { return $this->delete(); } $upload = isset($_FILES[$this->options['param_name']]) ? $_FILES[$this->options['param_name']] : null; $info = array(); if ($upload && is_array($upload['tmp_name'])) { // param_name is an array identifier like "files[]", // $_FILES is a multi-dimensional array: foreach ($upload['tmp_name'] as $index => $value) { $info[] = $this->handle_file_upload( $upload['tmp_name'][$index], isset($_SERVER['HTTP_X_FILE_NAME']) ? $_SERVER['HTTP_X_FILE_NAME'] : $upload['name'][$index], isset($_SERVER['HTTP_X_FILE_SIZE']) ? $_SERVER['HTTP_X_FILE_SIZE'] : $upload['size'][$index], isset($_SERVER['HTTP_X_FILE_TYPE']) ? $_SERVER['HTTP_X_FILE_TYPE'] : $upload['type'][$index], $upload['error'][$index], $index ); } } elseif ($upload || isset($_SERVER['HTTP_X_FILE_NAME'])) { // param_name is a single object identifier like "file", // $_FILES is a one-dimensional array: $info[] = $this->handle_file_upload( isset($upload['tmp_name']) ? $upload['tmp_name'] : null, isset($_SERVER['HTTP_X_FILE_NAME']) ? $_SERVER['HTTP_X_FILE_NAME'] : (isset($upload['name']) ? $upload['name'] : null), isset($_SERVER['HTTP_X_FILE_SIZE']) ? $_SERVER['HTTP_X_FILE_SIZE'] : (isset($upload['size']) ? $upload['size'] : null), isset($_SERVER['HTTP_X_FILE_TYPE']) ? $_SERVER['HTTP_X_FILE_TYPE'] : (isset($upload['type']) ? $upload['type'] : null), isset($upload['error']) ? $upload['error'] : null ); } header('Vary: Accept'); $json = json_encode($info); $redirect = isset($_REQUEST['redirect']) ? stripslashes($_REQUEST['redirect']) : null; if ($redirect) { header('Location: '.sprintf($redirect, rawurlencode($json))); return; } if (isset($_SERVER['HTTP_ACCEPT']) && (strpos($_SERVER['HTTP_ACCEPT'], 'application/json') !== false)) { header('Content-type: application/json'); } else { header('Content-type: text/plain'); } echo $json; } public function delete() { $file_name = isset($_REQUEST['file']) ? basename(stripslashes($_REQUEST['file'])) : null; $file_path = $this->options['upload_dir'].$file_name; $success = is_file($file_path) && $file_name[0] !== '.' && unlink($file_path); if ($success) { foreach($this->options['image_versions'] as $version => $options) { $file = $options['upload_dir'].$file_name; if (is_file($file)) { unlink($file); } } } header('Content-type: application/json'); echo json_encode($success); } } |
Commits for namibiapublic/scripts/blueimp-jQuery-File-Upload/server/php/upload.class.php
Revision | Author | Commited | Message |
---|---|---|---|
df0489 ... | Mark | Fri 14 Oct, 2016 10:01:00 +0000 | initial commit |