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So far, slcl would allow to share literally any directory or file, even
if they did not exist, as long as valid credentials were given.
Now, directories cannot be shared, since this is already restricted by
the web interface. This is now considered an invalid request.
On the other hand, attempting to share non-existing files shall now
return a 404 Not Found response to the user.
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slweb puts its header files into its own directory in order to avoid
potential name clashing.
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When a user enters a search term that is too generic, slcl would
generate a long list of search results, where this generation could have
a big impact on the server performance and its available resources.
Therefore, it is reasonable to limit the number of search results to an
arbitrary limit, so that users are forced to enter a more specific
search term in order to achieve more relevant results.
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slcl used to provide a hardcoded stylesheet. However, it would be
desirable for some admins to provide a custom stylesheet without having
to rebuild the application.
Now, slcl creates a default stylesheet, namely style.css, into the
target directory, that can be later modified by admins.
While this might contradict the suckless philosophy a bit, hopefully
some admins might find this new feature useful.
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The following workflow has been implemented:
- A new checkbox for each object inside a directory is shown.
- When one or more objects are selected, the user submits a request
through a HTML5 form.
- Then, slcl will ask the user for confirmation, listing the selected
objects, while reminding the user about the effects.
- The user confirms the selection.
- slcl removes the selected objects. All objects from non-empty
directories are removed, too.
- Finally, slcl redirects the user to the directory the request was
made from.
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This new feature adds a HTML form on each directory listing that allows
to search files recursively, starting from the current user directory.
Wildcard patterns are also allowed.
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When using HTTP "Content-Disposition: attachment;", users are forced to
download files in order to use them, whereas others might prefer to open
them in the browser.
Therefore, now that URL parameters are supported by http.h, previews can
be forced by adding "preview=1" or "preview=true" (case-insensitive) as
a URL parameters. Any other parameters are ignored by slcl.
For users, a "Preview" link has been added next to the "Share" button
for each file.
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So far, slcl would just close the connection with a client when the
Content-Length of an incoming request exceeded the user quota, without
any meaningful information given back to the user.
Now, slcl responds with a HTML file with meaningful information about
the error.
Limitations:
- While this commits has been successfully tested on ungoogled-chromium,
LibreWolf (and I assume Firefox and any other derivates too) does not
seem to receive the response from the server.
- However, this issue only occurred during local testing, but not
on remote instances.
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An HTML form is now added next to each regular file, that generates a
POST request. Then, slcl replies with a HTML document with a link to the
public resource (which are implemented as symlinks).
Limitations:
- For now, only regular files can be shared i.e., sharing directories is
not possible. While feasible, it still requires a larger refactor to
list_dir and resource_layout, so that read-only access to the directory
is provided to anonymous users.
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This feature allows admins to set a specific quota for each user, in
MiB. This feature is particularly useful for shared instances, where
unlimited user storage might be unfeasible or even dangerous for the
server.
Also, a nice HTML5 <progress> element has been added to the site that
shows how much of the quota has been consumed.
If no quota is set, slcl falls back to the default behaviour i.e.,
assume unlimited storage.
Limitations:
- While HTTP does specify a Content-Length, which determines the length
of the whole request, it does not specify how many files are involved
or their individual sizes.
- Because of this, if multiple files are uploaded simultaneously, the
whole request would be dropped if user quota is exceeded, even if not
all files exceeded it.
- Also, Content-Length adds the length of some HTTP boilerplate
(e.g.: boundaries), but slcl must rely on this before accepting the
whole request. In other words, this means some requests might be
rejected by slcl because of the extra bytes caused by such boilerplate.
- When the quota is exceeded, slcl must close the connection so that
the rest of the transfer is cancelled. Unfortunately, this means no
HTML can be sent back to the customer to inform about the situation.
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