Server Side Integration

This website contains links to software which is either no longer maintained or will be supported only until the end of 2019 (CKFinder 2). For the latest documentation about current CKSource projects, including software like CKEditor 4/CKEditor 5, CKFinder 3, Cloud Services, Letters, Accessibility Checker, please visit the new documentation website.

If you look for an information about very old versions of CKEditor, FCKeditor and CKFinder check also the CKEditor forum, which was closed in 2015. If not, please head to StackOverflow for support.

CKFinder is an Ajax application where the front end is completely written in JavaScript, which communicates to the server through XML messages. In the server side, there is a “connector”, written in a specific server language, which handles the front end requests. The following graphic illustrates it:


Image:CKFinder_Connector.png



The following tasks must be accomplished by the Connector:

  • Receive CKFinder requests.
  • Manage operations in the File System, like folder and files creations and listings.
  • Build the XML response in the right format and syntax.
  • Receive and handle file uploads from the File Browser.
  • Generate image thumbnails.
  • Handle ACL settings.
  • All requests must take in consideration the settings defined in the config file. All config files should be unified.


This document contains the overall specifications for the development of the connector for CKFinder.

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