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OC-KittenOS/repository/docs/us-perms

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This is a list of the different
additional permissions in KittenOS
NEO as distributed, and their
purposes.
Installable service documentation is
provided with the respective -doc
packages, and goes under the rs-*
namespace.
For programs with the prefixes "svc-"
or "app-", they can register their
services using "r.svc.mysvcname"
(for the program "svc-mysvcname"),
or "r.app.myappname" (for the
program "app-myappname") - this
MAY have any postfix matching the
pattern "/[a-z0-9/%.]*$", or none
at all.
Examples:
r.app.nucleus:
Registers x.app.nucleus from
app-nucleus
r.svc.nucleus/ABCD:
Registers x.svc.nucleus/ABCD from
svc-nucleus
For how this registration works,
and how to access the resulting
service, please see the kn-perms
document.
APIs registered in this manner are
accessible to all programs by
default. However, local security
policy may be altered by the user,
and part of x.neo.pub.base's API is
to allow locking any of your public
APIs. (The user can override this
mechanism if they so wish, and this
will cause a silent failure of the
lockPerm function.)
As for the system APIs...
-- x.neo.pub.base @ sys-icecap --
Gaining access to this API creates
this application's data directory,
wherever that is.
Paths for the IO parts of this API
must start with "/", and must follow
the standard KittenOS NEO path
safety rules in the kernel.
showFileDialogAsync(mode): Shows a
filedialog with a given filemode,
or nil for "none". Returns a new,
empty table as a "tag", and emits a
"filedialog" event on completion.
myApi: A string such as "svc.abc"
for the program svc-abc, used for
automatically finding the correct
API name to register for your app.
lockPerm(perm): Changes the default
permission setting for anything the
process should have permission to
define according to the matchesSvc
function, so that the user must be
asked before a program can access
the permission.
NOTE: LIST REQUIRES "/" AT THE END
AND START, WHILE THE REST CANNOT
HAVE IT AT THE END BUT MUST AT THE
START, BECAUSE THE ROOT IS "/".
There's logic here, specifically to
stop you trying to do nonsense like
deleting your own data directory...
list(path): After ensuring that the
path has a "/" at the end, lists
the contents of a directory
accessible to the application.
Returns a table containing
file/directory names, with "/"
postfixes for directories. If this
contains the invalid names "." or
"..", please report as a bug at
once, this shouldn't happen.
Everything after here ensures that
there is a "/" at the start and no
"/" at the end
makeDirectory(path): Creates the
directory with the given path.
Returns whatever the component call
did.
rename(pathA, pathB): Renames or
moves a file or directory around.
Returns whatever the component call
did.
open(path, mode): Opens a file with
a given mode (see ul-fwrap for the
list of modes).
Returns the file object,
remove(path): Removes a file.
stat(path): "I got lazy, so I took 3
API functions and combined them as
one API function!" - 20kdc
Returns {
isDirectory
size
lastModified
}
spaceUsed, spaceTotal, isReadOnly:
The filesystem proxy functions.
Events:
api, "filedialog", tag, res
-- x.neo.pub.session @ <a shell> --
This API must be implemented by any
program that the user wants to use
as a shell.
A shell should set up a Saving Throw
with sys-glacier in case of errors.
endSession(backToInit): Stops the
current session, and optionally
starts up sys-init.
endSession(false) is for switching
to a new shell.
endSession(true) is for logging out
of the session.
getMonitors(): Returns an ipairs-
form list of screen addresses for
use in disclaimMonitor and the
subsequent screens.claim call.
disclaimMonitor(address):
Disclaims a monitor. Returns true
on success. The monitor may be
reclaimed if something causes the
shell to be notified of the
monitor's existence (such as a
monitor rescan in Glacier).
No events are given. Deregistration
is equivalent to stating that you
are no longer in control of the
session, and that something else is.
-- x.neo.pub.window @ sys-everest --
This API is the reference definition
of how the windowing system works in
KittenOS NEO.
-- x.neo.sys.manage @ sys-glacier --
This API is how settings and ST are
managed
-- x.neo.sys.screens @ sys-glacier --
This API is how screens are managed
-- x.neo.pub.globals @ sys-glacier --
This API is some public global stuff
and spooky screen control???
-- This is released into
the public domain.
-- No warranty is provided,
implied or otherwise.