Upgrade filebrowser; minor fixes relevant to the upgrade.
[redakcja.git] / src / fileupload / static / lib / jQuery-File-Upload-10.32.0 / README.md
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+# jQuery File Upload
+
+## Contents
+
+- [Description](#description)
+- [Demo](#demo)
+- [Features](#features)
+- [Security](#security)
+- [Setup](#setup)
+- [Requirements](#requirements)
+  - [Mandatory requirements](#mandatory-requirements)
+  - [Optional requirements](#optional-requirements)
+  - [Cross-domain requirements](#cross-domain-requirements)
+- [Browsers](#browsers)
+  - [Desktop browsers](#desktop-browsers)
+  - [Mobile browsers](#mobile-browsers)
+  - [Extended browser support information](#extended-browser-support-information)
+- [Testing](#testing)
+- [Support](#support)
+- [License](#license)
+
+## Description
+
+> File Upload widget with multiple file selection, drag&drop support, progress
+> bars, validation and preview images, audio and video for jQuery.  
+> Supports cross-domain, chunked and resumable file uploads and client-side
+> image resizing.  
+> Works with any server-side platform (PHP, Python, Ruby on Rails, Java,
+> Node.js, Go etc.) that supports standard HTML form file uploads.
+
+## Demo
+
+[Demo File Upload](https://blueimp.github.io/jQuery-File-Upload/)
+
+## Features
+
+- **Multiple file upload:**  
+  Allows to select multiple files at once and upload them simultaneously.
+- **Drag & Drop support:**  
+  Allows to upload files by dragging them from your desktop or file manager and
+  dropping them on your browser window.
+- **Upload progress bar:**  
+  Shows a progress bar indicating the upload progress for individual files and
+  for all uploads combined.
+- **Cancelable uploads:**  
+  Individual file uploads can be canceled to stop the upload progress.
+- **Resumable uploads:**  
+  Aborted uploads can be resumed with browsers supporting the Blob API.
+- **Chunked uploads:**  
+  Large files can be uploaded in smaller chunks with browsers supporting the
+  Blob API.
+- **Client-side image resizing:**  
+  Images can be automatically resized on client-side with browsers supporting
+  the required JS APIs.
+- **Preview images, audio and video:**  
+  A preview of image, audio and video files can be displayed before uploading
+  with browsers supporting the required APIs.
+- **No browser plugins (e.g. Adobe Flash) required:**  
+  The implementation is based on open standards like HTML5 and JavaScript and
+  requires no additional browser plugins.
+- **Graceful fallback for legacy browsers:**  
+  Uploads files via XMLHttpRequests if supported and uses iframes as fallback
+  for legacy browsers.
+- **HTML file upload form fallback:**  
+  Allows progressive enhancement by using a standard HTML file upload form as
+  widget element.
+- **Cross-site file uploads:**  
+  Supports uploading files to a different domain with cross-site XMLHttpRequests
+  or iframe redirects.
+- **Multiple plugin instances:**  
+  Allows to use multiple plugin instances on the same webpage.
+- **Customizable and extensible:**  
+  Provides an API to set individual options and define callback methods for
+  various upload events.
+- **Multipart and file contents stream uploads:**  
+  Files can be uploaded as standard "multipart/form-data" or file contents
+  stream (HTTP PUT file upload).
+- **Compatible with any server-side application platform:**  
+  Works with any server-side platform (PHP, Python, Ruby on Rails, Java,
+  Node.js, Go etc.) that supports standard HTML form file uploads.
+
+## Security
+
+⚠️ Please read the [VULNERABILITIES](VULNERABILITIES.md) document for a list of
+fixed vulnerabilities
+
+Please also read the [SECURITY](SECURITY.md) document for instructions on how to
+securely configure your Web server for file uploads.
+
+## Setup
+
+jQuery File Upload can be installed via [NPM](https://www.npmjs.com/):
+
+```sh
+npm install blueimp-file-upload
+```
+
+This allows you to include [jquery.fileupload.js](js/jquery.fileupload.js) and
+its extensions via `node_modules`, e.g:
+
+```html
+<script src="node_modules/blueimp-file-upload/js/jquery.fileupload.js"></script>
+```
+
+The widget can then be initialized on a file upload form the following way:
+
+```js
+$('#fileupload').fileupload();
+```
+
+For further information, please refer to the following guides:
+
+- [Main documentation page](https://github.com/blueimp/jQuery-File-Upload/wiki)
+- [List of all available Options](https://github.com/blueimp/jQuery-File-Upload/wiki/Options)
+- [The plugin API](https://github.com/blueimp/jQuery-File-Upload/wiki/API)
+- [How to setup the plugin on your website](https://github.com/blueimp/jQuery-File-Upload/wiki/Setup)
+- [How to use only the basic plugin.](https://github.com/blueimp/jQuery-File-Upload/wiki/Basic-plugin)
+
+## Requirements
+
+### Mandatory requirements
+
+- [jQuery](https://jquery.com/) v1.7+
+- [jQuery UI widget factory](https://api.jqueryui.com/jQuery.widget/) v1.9+
+  (included): Required for the basic File Upload plugin, but very lightweight
+  without any other dependencies from the jQuery UI suite.
+- [jQuery Iframe Transport plugin](https://github.com/blueimp/jQuery-File-Upload/blob/master/js/jquery.iframe-transport.js)
+  (included): Required for
+  [browsers without XHR file upload support](https://github.com/blueimp/jQuery-File-Upload/wiki/Browser-support).
+
+### Optional requirements
+
+- [JavaScript Templates engine](https://github.com/blueimp/JavaScript-Templates)
+  v3+: Used to render the selected and uploaded files.
+- [JavaScript Load Image library](https://github.com/blueimp/JavaScript-Load-Image)
+  v2+: Required for the image previews and resizing functionality.
+- [JavaScript Canvas to Blob polyfill](https://github.com/blueimp/JavaScript-Canvas-to-Blob)
+  v3+:Required for the resizing functionality.
+- [blueimp Gallery](https://github.com/blueimp/Gallery) v2+: Used to display the
+  uploaded images in a lightbox.
+- [Bootstrap](https://getbootstrap.com/) v3+: Used for the demo design.
+- [Glyphicons](https://glyphicons.com/) Icon set used by Bootstrap.
+
+### Cross-domain requirements
+
+[Cross-domain File Uploads](https://github.com/blueimp/jQuery-File-Upload/wiki/Cross-domain-uploads)
+using the
+[Iframe Transport plugin](https://github.com/blueimp/jQuery-File-Upload/blob/master/js/jquery.iframe-transport.js)
+require a redirect back to the origin server to retrieve the upload results. The
+[example implementation](https://github.com/blueimp/jQuery-File-Upload/blob/master/js/main.js)
+makes use of
+[result.html](https://github.com/blueimp/jQuery-File-Upload/blob/master/cors/result.html)
+as a static redirect page for the origin server.
+
+The repository also includes the
+[jQuery XDomainRequest Transport plugin](https://github.com/blueimp/jQuery-File-Upload/blob/master/js/cors/jquery.xdr-transport.js),
+which enables limited cross-domain AJAX requests in Microsoft Internet Explorer
+8 and 9 (IE 10 supports cross-domain XHR requests).  
+The XDomainRequest object allows GET and POST requests only and doesn't support
+file uploads. It is used on the
+[Demo](https://blueimp.github.io/jQuery-File-Upload/) to delete uploaded files
+from the cross-domain demo file upload service.
+
+## Browsers
+
+### Desktop browsers
+
+The File Upload plugin is regularly tested with the latest browser versions and
+supports the following minimal versions:
+
+- Google Chrome
+- Apple Safari 4.0+
+- Mozilla Firefox 3.0+
+- Opera 11.0+
+- Microsoft Internet Explorer 6.0+
+
+### Mobile browsers
+
+The File Upload plugin has been tested with and supports the following mobile
+browsers:
+
+- Apple Safari on iOS 6.0+
+- Google Chrome on iOS 6.0+
+- Google Chrome on Android 4.0+
+- Default Browser on Android 2.3+
+- Opera Mobile 12.0+
+
+### Extended browser support information
+
+For a detailed overview of the features supported by each browser version and
+known operating system / browser bugs, please have a look at the
+[Extended browser support information](https://github.com/blueimp/jQuery-File-Upload/wiki/Browser-support).
+
+## Testing
+
+The project comes with three sets of tests:
+
+1. Code linting using [ESLint](https://eslint.org/).
+2. Unit tests using [Mocha](https://mochajs.org/).
+3. End-to-end tests using [blueimp/wdio](https://github.com/blueimp/wdio).
+
+To run the tests, follow these steps:
+
+1. Start [Docker](https://docs.docker.com/).
+2. Install development dependencies:
+   ```sh
+   npm install
+   ```
+3. Run the tests:
+   ```sh
+   npm test
+   ```
+
+## Support
+
+This project is actively maintained, but there is no official support channel.  
+If you have a question that another developer might help you with, please post
+to
+[Stack Overflow](https://stackoverflow.com/questions/tagged/blueimp+jquery+file-upload)
+and tag your question with `blueimp jquery file upload`.
+
+## License
+
+Released under the [MIT license](https://opensource.org/licenses/MIT).