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diff --git a/doc/todo/fileupload/discussion.mdwn b/doc/todo/fileupload/discussion.mdwn new file mode 100644 index 000000000..01c0cc3fe --- /dev/null +++ b/doc/todo/fileupload/discussion.mdwn @@ -0,0 +1,45 @@ + * Limits to size of files that can be uploaded. Prevent someone + spamming the wiki with CD isos.. + +> CGI.pm has a limitation that you can't prevent someone uploading +> something huge and filling up your server. +> However it is obviously possible to not actually put it in to the +> wiki if it's too large. +> Presumably there is also a way to limit the size of POST requests +> in the server. + +* Limits to the type of files that can be uploaded. To prevent uploads of + virii, css, raw html etc, and avoid file types that are not safe. + Should default to excluding all files types, or at least all except + a very limited set, and should be able to open it up to more types. + + Would checking for file extensions (.gif, .jpg) etc be enough? Some + browsers are probably too smart for their own good and may ignore + the extension / mime info and process as the actual detected file + type. It may be necessary to use file to determine a file's true type. + +> I think using the extension is too risky, and as much information as +> possible should go in to the decision. Saving the file to disk, then +> checking the type before using it seems like the best approach to me, +> as long as the file is deleted properly. + +> Have you any thoughts on what the interface should be? I can see three +> options. First add a box to the file creation page that allows you +> to upload a file instead of the page. The second is an upload file +> link that asks for a page. The last would be an attachments system +> that e.g. Twiki use, where the file could be uploaded as a subpage. + +> How about the limit setting etc.? Add it as a box on the admin's +> preference page, allow it anywhere using preprocessor directives, +> or have a configuration page that only the admin is allowed to edit +> (and perhaps people named on the page?) + +> The syntax of the conditionals isn't too hard, as the things that +> are being added fit in nicely. It might be nice to allow plugins +> to register new functions for them, and provide callbacks to +> provide a yes no answer. I'm haven't looked at the code yet, +> are the pagespecs uniform in all places, or is the conditional +> usage an extended one? i.e. can I lock pages based on date etc? +> --[[JamesWestby]] + + |