On Thu, Feb 28, 2008 at 7:36 PM, Hans Dieter Pearcey <[EMAIL PROTECTED]> wrote:
>
> On Thu, Feb 28, 2008 at 05:47:20PM -0800, Ian Burrell wrote:
> > We use a subclass of HTML::Mason::CGIHandler. How do we get 404
> > errors instead of fatal errors when the component is not found? It
> > looks like HTML::Mason::ApacheHandler has special code to detect
> > TopLevelNotFound errors and turn them into 404's (or at least comments
> > about what to override). What do we need to override in CGIHandler to
> > return 404's?
>
> I think what ApacheHandler really relies on is trying to resolve the path to
> a
> component before doing any execution. The TopLevelNotFound errors are
> caught,
> but my guess (only a guess) is that that's just a backup, for some weird edge
> case.
>
> Doing the same thing with CGIHandler seems pretty reasonable to me. There's
> nothing to override, though, because CGIHandler does less than Apache.
>
For anyone that is curious, it was easy to extend our CGIHandler and
Request sub-class to give 404 HTTP errors instead of going through
normal mason error handling.
The Request sub-class overrides _handle_error to rethrow
TopLevelNotFound errors.
sub _handle_error
{
my ($self, $err) = @_;
rethrow_exception($err) if $self->is_subrequest;
if (isa_mason_exception($err, 'TopLevelNotFound')) {
rethrow_exception($err);
}
$self->SUPER::_handle_error($err);
}
The CGIHandler sub-class overrides handle_cgi_object to turn
TopLevelNotFound into 404 status.
sub handle_cgi_object
{
my ($self, $cgi) = @_;
eval {
$self->SUPER::handle_cgi_object($cgi);
};
if (my $err = $@) {
if (isa_mason_exception($err, 'TopLevelNotFound')) {
return NOT_FOUND;
}
else {
rethrow_exception($err);
}
}
}
Our CGI script returns the 404 status back to the browser.
- Ian
- Ian
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