Uploader
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Uploader can be used as both an image uploader and a file uploader. When used as an image uploader, the UI can be configured to prompt users to crop images using a predefined aspect ratio, a freeform aspect ratio, or no image cropping at all.
Uploader provides drag-and-drop file upload support through an integrated dropzone which wraps the entire UI. The drag-and-drop area supports single and multiple file uploads, and can be configured to render as a popup or as an inline file uploader.
The uploader is the safest means of form and document submission. Please note that sending forms and documents via regular mail, a private shipping service, or fax will add a week or more onto processing time.
The Codecov Bash Uploader provides a framework and language-agnostic method for sending your coverage reports to Codecov. The main objectives of the uploader are to detect CI specific settings in the environment, gather reports, and upload this information to Codecov. You may learn more about bash uploader here.
Based upon the forensic investigation results to date, it appears that there was periodic, unauthorized access to a Google Cloud Storage (GCS) key beginning January 31, 2021, which allowed a malicious third-party to alter a version of our bash uploader script to potentially export information subject to continuous integration (CI) to a third-party server. Codecov secured and remediated the script April 1, 2021.
Lastly, if you use a self-hosted (on-premises) version of Codecov, it is very unlikely you are impacted. To be impacted, your CI pipeline would need to be fetching the bash uploader from instead of from your self-hosted Codecov installation. You can verify from where you are fetching the bash uploader by looking at your CI pipeline configuration.
If you use a self-hosted (on-premises) version of Codecov, it is very unlikely you are impacted. To be impacted, your CI pipeline would need to be fetching the bash uploader from instead of your self-hosted Codecov installation. You can verify from where you are fetching the bash uploader by looking at your CI pipeline configuration.
The new features of the Codecov Uploader, not only address the weaknesses of the former bash uploader but also unify and enhance the numerous language and platform-specific uploaders that are currently available. Some of these features include:
All releases of the new Uploader are available at Use can be pinned to a specific version, or the latest version can be fetched with the appropriate URL. Despite being in beta, many of the command line arguments present in the Bash Uploader are present in the new Uploader as well. The simplest use case for the uploader is to curl it and use it as follows:
While the above examples demonstrate the most straightforward way to use the new Uploader, we recommend taking advantage of our new integrity checking measures (see below) to ensure that you are downloading and using a valid, trusted form of the uploader.
The new Uploader can be integrity checked against a known GPG key signature, and can also have its contents checked via SHASUM. While performing these two checks is optional, it is highly recommended to do so. By checking the GPG signature and the SHASUM of the uploader, users can be much more confident in the overall integrity of the downloaded file.
The YUI Uploader leverages HTML5+XMLHttpRequest 2 or Flash (deprecated) to provide file upload functionality beyond the basic HTTP capabilities. Specifically, the Uploader allows for: Multiple file selection in a single \"Open File\" dialog. Dragging-and-dropping files into the browser (when used in HTML5 mode). Automatic upload queue management with fine-grained control. Upload progress tracking, both on a per-file and a per-queue basis. A range of available file metadata: filename, size, date created, and date modified. A set of events dispatched on various aspects of the file upload process: file selection, upload progress, upload completion, data return, and upload errors. Inclusion of additional data in the file upload POST request, on a file-by-file basis. Keyboard accessibility both in HTML5 and in Flash (deprecated) modes. Upgrading to version 3.13.0 or newer Due to Security issues, as of YUI 3.13.0, YUI has made the decision to remove all Flash files from the repository. As a result, you will need compile and host your own flashuploader.swf file to enable Flash mode. Necessary source files are available in the yui3-swfs repository.
The Uploader consists of two classes, one of which is picked dynamically based on the functionality available on the end user's computer. For that reason, Y.Uploader is an alias that is dynamically assigned either to the Y.UploaderHTML5 (for browsers that implement XMLHttpRequest Level 2) or Y.UploaderFlash (for browsers that include the Flash player plugin), or otherwise left as an unpopulated namespace when neither functionality is available. Before instantiating the Uploader, the developer can easily determine which of the three options has been loaded by checking the static Y.Uploader.TYPE property. This property resolves to either \"html5\", \"flash\", or \"none\", and allows the developer to configure the uploader appropriately or otherwise load a different UI.
Due to the limitations of the Flash player, it is only possible to initiate the file selection dialog for Flash-supported file uploads with a direct user input to the Flash player. For that reason, and to maintain the API and configuration consistency, the Uploader is implemented as a \"Select Files\" button widget in both the HTML5 and the Flash modes. In case of HTML5 uploader, the interaction events are dispatched by the underlying UI control, whereas in case of the Flash uploader, a transparent Flash player overlay is placed on top of the control and captures all mouse events directly. The underlying UI control is customizable by the developer (the selectFilesButton attribute). Hybrid structure In Flash mode, the Uploader uses the native functionality of the widely adopted Adobe Flash player to provide methods for sending multiple files to the server and tracking the progress of the uploads. In order to control the Flash player, the Uploader uses the Flash player's built-in ExternalInterface class for communicating with JavaScript. ExternalInterface allows JavaScript to call exposed methods on an instance of a Flash player, and allows the instance of the Flash player to call arbitrary global methods in the global JavaScript space.
To place the Uploader on the page, simply create a new instance of Y.Uploader and render it to the container in which it should be placed. Since Y.Uploader may not resolve to a fully-featured module if the required functionality is missing, test that the Y.Uploader.TYPE property is not set to \"none\" first. It is recommended that you set fixed dimensions in the configurations for the uploader widget, because the underlying button UI control is by default sized to 100% of the width and height of its parent:
With the above instantiation, you are allowing the Uploader to automatically choose whether to use UploaderHTML5 or UploaderFlash as the underlying module. You can always use those modules directly or manually override the alias as follows:YUI({...}).use('uploader','uploader-flash', function (Y) {Y.Uploader = Y.UploaderFlash;// orY.Uploader = Y.UploaderHTML5;var uploader = new Y.Uploader(...);});
You can further use the Y.Uploader.TYPE property to add functionality-specific features to the Uploader based on whether HTML5 or Flash are available. For instance, in the following code snippet, if the Uploader is in HTML5 mode, we assign it a drag-and-drop area where files can be dragged directly into the browser(functionality which is unavailable in Flash). If it's in Flash mode, we provide a fileFilters configuration which allows the selection dialog to filterfiles by extension (functionality only available in Flash):YUI({...}).use('uploader', function (Y) { var uploader = new Y.Uploader(...); if (Y.Uploader.TYPE == \"html5\") { uploader.set(\"dragAndDropArea\", \"#divContainer\"); uploader.render(\"#selectFilesButtonContainer\"); } else if (Y.Uploader.TYPE == \"flash\") { uploader.set(\"fileFilters\", [{description:\"Images\", extensions:\"*.jpg;*.png;*.gif\"}, {description:\"Videos\", extensions:\"*.avi;*.mov;*.mpg\"}]); uploader.render(\"#selectFilesButtonContainer\"); } else { Y.log(\"No Flash or HTML5 capabilities detected.\"); }});Uploader Configuration AttributesThe following configuration attributes are specific to the Uploader:
During the automatic queue management of multiple files, you can call various methods on the Uploader queue (available as uploaderInstance.queue) in order to control the file upload. The methods available to you include: addToQueueTop() and addToQueueBottom(): allow you to include additional files in the upload queue, either at the beginning or at the end. cancelUpload(): cancel a specific file's upload. If no arguments are passed, all of the uploads are cancelled. forceReupload(): if a particular file is stuck in an ongoing upload without any progress events, you can force its reupload. This method is equivalent to cancelling the file's upload and then adding it back to the queue. pauseUpload(): complete all currently ongoing uploads, but ceases starting new ones, until startUpload() is called. For more information, see the API Docs for Uploader.Queue. 59ce067264