61 lines
2.9 KiB
Markdown
61 lines
2.9 KiB
Markdown
For security reasons, one of the sites I'm in charge of uses a Reverse Proxy to grab the content from another machine behind our firewall.
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Let's call the out-facing machine Alfred and the one behind the firewall Betty.
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For the static pages, everything is fine. However, when trying to use the search, all the links break.
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This is because, when Alfred passes the search query on to Betty, the search result has a "base" tag which points to Betty, and all the links to the "found" pages are relative.
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So we have
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<base href="Betty.example.com"/>
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...
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<a href="./path/to/found/page/">path/to/found/page</a>
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This breaks things for anyone on Alfred, because Betty is behind a firewall and they can't get there.
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What would be better is if it were possible to have a "base" which didn't reference the hostname, and for the "found" links not to be relative.
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Something like this:
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<base href="/"/>
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...
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<a href="/path/to/found/page/">path/to/found/page</a>
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The workaround I've come up with is this.
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1. Set the "url" in the config to ' ' (a single space). It can't be empty because too many things complain if it is.
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2. Patch the search plugin so that it saves an absolute URL rather than a relative one.
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Here's a patch:
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diff --git a/IkiWiki/Plugin/search.pm b/IkiWiki/Plugin/search.pm
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index 3f0b7c9..26c4d46 100644
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--- a/IkiWiki/Plugin/search.pm
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+++ b/IkiWiki/Plugin/search.pm
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@@ -113,7 +113,7 @@ sub indexhtml (@) {
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}
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$sample=~s/\n/ /g;
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- my $url=urlto($params{destpage}, "");
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+ my $url=urlto($params{destpage}, undef);
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if (defined $pagestate{$params{page}}{meta}{permalink}) {
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$url=$pagestate{$params{page}}{meta}{permalink}
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}
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It works for me, but it has the odd side-effect of prefixing links with a space. Fortunately that doesn't seem to break browsers.
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And I'm sure someone else could come up with something better and more general.
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--[[KathrynAndersen]]
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> The `<base href>` is required to be genuinely absolute (HTML 4.01 §12.4).
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> Have you tried setting `url` to the public-facing URL, i.e. with `alfred`
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> as the hostname? That seems like the cleanest solution to me; if you're
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> one of the few behind the firewall and you access the site via `betty`
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> directly, my HTTP vs. HTTPS cleanup in recent versions should mean that
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> you rarely get redirected to `alfred`, because most URLs are either
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> relative or "local" (start with '/'). --[[smcv]]
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>> I did try setting `url` to the "Alfred" machine, but that doesn't seem clean to me at all, since it forces someone to go to Alfred when they started off on Betty.
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>> Even worse, it prevents me from setting up a test environment on, say, Cassandra, because as soon as one tries to search, one goes to Alfred, then Betty, and not back to Cassandra at all.
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>> Hardcoded solutions make me nervous.
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>> I suppose what I would like would be to not need to use a `<base href>` in searching at all.
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>> --[[KathrynAndersen]]
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