I need to generate links within an app based on data from an external data
source. It contains data for a list of categories, and the category names
may contain almost any character including slashes.
Given this minimal example app:
#!/usr/bin/env perl
use Mojolicious::Lite;
get '/:cat' => sub {
my $c = shift;
$c->render(
text =>
"stash cat: " . $c->stash('cat')
. "\nurl_for: " . $c->url_for('category', { cat => "foo / bar"
})
. "\nurl_for esc: " . $c->url_for('category', { cat => "foo %2F
bar" })
. "\n"
);
} => 'category';
app->start;
and invoking it like this,
carton exec -- perl app.pl get -v /foo
I see this result:
stash cat: foo
url_for: /foo%20/%20bar
url_for esc: /foo%20/%20bar
So "url_for" interpolates the data for the placeholder and uri-escapes the
spaces but not the slash and also unescapes a pre-escaped slash.
I might get away with this using a wildcard placeholder (routes for the app
are not completely decided upon, yet) or I might evade the problem by
sending it as a query param.
But I´d still like to know if there is a way to force uri-escaping the
slash or if that is intentionally not the case.
Other reserved (as in RFC 3986) chars apparently *are* uri-escaped (e.g.
'#').
Maybe for slashes the placeholder type could be used to decide if a "/" has
to be converted to "%2F" ("no" for wildcard placeholders, "yes" for
standard and relaxed placeholders)?
Curious
- heiko
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