On Saturday, January 31, 2004, at 05:06 AM, timothy driscoll wrote:
at 3.53p EDT on 2004 January 29 Thursday Christopher Masi said:
For other coding novices like me out there...
When testing HTML code on OS X systems I noticed the following oddity. When I think about it from a security perspective, it isn't actually all that odd. Here goes...
Here is the directory structure in /Users/myusername/sites/
test test2 cell457b.html (the original cell457b with codebase="../jmol") cell457b.pdb jmol JmolApplet.jar
Here is the odd part. If cell457b.html is "dragged and dropped" onto a
browser (Mozilla 1.6, Safari 1.0.1, Camino 0.7, IE 5.2.2) the applet
will load, but the pdb file will not load. Camino et al. briefly report
a security exception in the status bar. However, if I use the included
Apache server to serve the files to myself
(http://127.0.0.1/~myusername/test/test2/cell457b.html) both the applet
and the pdb file load properly. If the html file, the pdb, and the
applet coexist in the same folder then both dragging and dropping and
loading via the loopback (correct term?) address work without a problem.
So, if you want to test your files before uploading them to a server, you will have to activate your Apache server.
you can always use the Open.. menu command (Cmd-O) to open your html file,
and it will work with relative url paths. as easy as it is to activate
apache on OS X, cmd-O is even faster!
regards,
:tim
Hi Tim,
Command+O behaves just like dragging and dropping. Command+O and dragging and dropping will work if the pdb file and the applet are both in the same directory. Apparently, the security exception is only an issue if the applet is in a different directory. In any even, I guess that the warning is command+o and dragging and dropping can behave differently than loading files from a web server.
Another benefit of testing your site on your own server is if the site works when served from your own server and not from another server, then you can feel more confident that the problem is with the other server.
I understand that starting your own web server can introduce security risks, for the end user's computer and for the network, and get your name added to your sys admin's list of least favorite people. So, people should check with their sys admin's before starting up their servers, additionally if you are concerned about security, you can start up the server for testing purposes and shut it down when you are done testing.
<cheeky monkey mode>
With my Apache server running, all I have to do is type 127 in the url field, and most browsers will give me a list of pages beginning with 127 that I have recently visited and I can just select the destination I want.
</cheeky monkey mode>
Chris
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