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[[!comment format=mdwn
username="https://launchpad.net/~eliasson"
nickname="eliasson"
subject="comment 2"
date="2016-01-31T20:07:52Z"
content="""
Using Apache 2.4.10 (Debian 8's package) I solved it the following way:
1. In the Apache site configuration, set `ErrorDocument 404` to the ikiwiki.cgi URL path.
2. Apply the following patch to the plugins search and 404. The easiest and probably cleanest way is to copy the plugins to your `$libdir/IkiWiki/Plugins` and edit them there. It works with xapian omega search but wouldn't work with google, since the *P* CGI parameter is not set (instead, omega uses the `QUERY_STRING` environment variable). Perhaps one day I'll make this a proper patch and submit as a pull request.
[Apache 2.4.13 adds support](https://httpd.apache.org/docs/2.4/mod/core.html#errordocument) for dynamic strings in `ErrorDocument`s, so you could do something similar to the solution for Nginx above. Until that is packaged in your stable Linux distro of choice, this hack can be used.
<pre>
<code>
diff --git a/IkiWiki/Plugin/404.pm b/IkiWiki/Plugin/404.pm
index 42cfa9e..a12fd40 100644
--- a/IkiWiki/Plugin/404.pm
+++ b/IkiWiki/Plugin/404.pm
@@ -74,7 +74,9 @@ sub cgi ($) {
my $page = cgi_page_from_404(
Encode::decode_utf8($ENV{REDIRECT_URL}),
$config{url}, $config{usedirs});
- IkiWiki::Plugin::goto::cgi_goto($cgi, $page);
+
+ $ENV{QUERY_STRING}=\"P=$page\";
+ IkiWiki::Plugin::search::search($cgi);
}
}
diff --git a/IkiWiki/Plugin/search.pm b/IkiWiki/Plugin/search.pm
index 24b16fe..24d7b3c 100644
--- a/IkiWiki/Plugin/search.pm
+++ b/IkiWiki/Plugin/search.pm
@@ -183,24 +183,31 @@ sub delete (@) {
}
}
+sub search($) {
+ my $cgi=shift;
+
+ if ($config{google_search}) {
+ print $cgi->redirect(\"https://www.google.com/search?sitesearch=$config{url}&q=\".$cgi->param('P'));
+ exit 0;
+ }
+ else {
+ # only works for GET requests
+ chdir(\"$config{wikistatedir}/xapian\") || error(\"chdir: $!\");
+ $ENV{OMEGA_CONFIG_FILE}=\"./omega.conf\";
+ $ENV{CGIURL}=IkiWiki::cgiurl();
+ IkiWiki::loadindex();
+ $ENV{HELPLINK}=htmllink(\"\", \"\", \"ikiwiki/searching\",
+ noimageinline => 1, linktext => \"Help\");
+
+ exec($config{omega_cgi}) || error(\"$config{omega_cgi} failed: $!\");
+ }
+}
+
sub cgi ($) {
my $cgi=shift;
if (defined $cgi->param('P')) {
- if ($config{google_search}) {
- print $cgi->redirect(\"https://www.google.com/search?sitesearch=$config{url}&q=\".$cgi->param('P'));
- exit 0;
- }
- else {
- # only works for GET requests
- chdir(\"$config{wikistatedir}/xapian\") || error(\"chdir: $!\");
- $ENV{OMEGA_CONFIG_FILE}=\"./omega.conf\";
- $ENV{CGIURL}=IkiWiki::cgiurl();
- IkiWiki::loadindex();
- $ENV{HELPLINK}=htmllink(\"\", \"\", \"ikiwiki/searching\",
- noimageinline => 1, linktext => \"Help\");
- exec($config{omega_cgi}) || error(\"$config{omega_cgi} failed: $!\");
- }
+ search($cgi);
}
}
</code>
</pre>
"""]]
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