Re: [Jmol-users] Jmol read/write rights

[Miguel <mi...@jm...>]

>> What is the reason why Jmol cannot read
>> the /tmp/test.pdb file (started with the
>> command =22jmolApplet(500, =22load /tmp/test.pdb=22) =22)?
>
> I don't know anything about Tomcat, but for me it looks like the
> problem is only related to the Apache server.

Correct.

> Generally the Apache server provides access through the WWW only
> starting at a directory called 'DocumentRoot', which is set in the
> Apache configuration. This is done to prevent that the whole file
> system of the server is exposed to the whole world.
>
> It looks as if your 'tmp' directory is not below the 'DocumentRoot'
> directory.

Correct

> In any case the file can only be obtained by the client from the server=

> through an URL, because the client computer is not attached directly to=

> the server computer. So if you just specify '/tmp/test.pdb' this
> actually is 'http:://server_name/tmp/test.pdb'. Internally at the
> server this is 'DocumentRoot/tmp/test.pdb'.

Correct

> Using Apache rewrite rules is only one possibility to make it a valid U=
RL.
>
> The easiest solution would be just to move the 'tmp' directory into the=

> 'DocumentRoot' directory.

Correct

> Another solution would be to create a symbolic link to the 'tmp'
> directory inside the 'DocumentRoot' directory. But then you would also
> have to allow symbolic links in the Apache server configuration. This
> usually is avoided because symbolic links are a security risk.

I think that the sym link is the easiest solution in this case.

OR

one can essentially define another document area and make it available
through a different basename.

> Another solution would be to provide the file indirectly through a CGI
> script.

Too complicated in this case ... in my opinion.


Miguel