Since the short Url feature is being added to Tiki, could it not be combined with file galleries such that a file in a gallery is linked or displayed by using a short Url instead of the file Id?
This will enhance security and add new functionality to Tiki. Currently the value of fileId is sequentially generated and is therefore predictable: visitors can easily scrape off files from a tiki install by using tiki_download and incrementing the value of fileId inside a loop. Additionally, files can be hotlinked.
To fortify tiki against this, all that needs to be done is to combine the new short Url functionality with file galleries: if plugin files is used with a parameter, say "mask" or "obfuscate", then the fileId will be substituted with a short code. For example, the user enters tiki-download_file.php?fileId=1 in the wiki text editor, just as before, but if the obfuscate="y" parameter is used then the html will show tiki-download_file.php?fileId=RandomShortURLhghhgfftrdfgnj
As an additional feature, if the duration (life / validity) of the short code can be user defined per gallery / file / plugin files parameter, then tiki-download_file.php?fileId=RandomShortURLhghhgfftrdfgnj will stop serving fileId=1 after that time. Tiki could then be made to serve content via perishable and non predictable file names - just like the big CDN companies such as Akamai do.
I imagine this would be fairly simple to implement and would add a very useful feature to Tiki.
For a simple implementation of this idea, see:
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