path: root/IkiWiki/Plugin/getsource.pm

#!/usr/bin/perl
package IkiWiki::Plugin::getsource;

use warnings;
use strict;
use IkiWiki;
use open qw{:utf8 :std};

sub import {
    hook(type => "getsetup", id => "getsource", call => \&getsetup);
    hook(type => "pagetemplate", id => "getsource", call => \&pagetemplate);
    hook(type => "cgi", id => "getsource", call => \&cgi_getsource);
}

sub getsetup () {
    return
        plugin => {
            safe => 1,
            rebuild => 1,
        },
        getsource_mimetype => {
            type => "string",
            example => "text/plain; charset=utf-8",
            description => "Mime type for returned source.",
            safe => 1,
            rebuild => 0,
        },
}

sub pagetemplate (@) {
    my %params=@_;

    my $page=$params{page};
    my $template=$params{template};

    if (length $config{cgiurl}) {
        $template->param(getsourceurl => IkiWiki::cgiurl(do => "getsource", page => $page));
        $template->param(have_actions => 1);
    }
}

sub cgi_getsource ($) {
    my $cgi=shift;

    # Note: we use sessioncgi rather than just cgi
    # because we need %pagesources to be
    # populated.

    return unless (defined $cgi->param('do') &&
                    $cgi->param("do") eq "getsource");

    IkiWiki::decode_cgi_utf8($cgi);

    my $page=$cgi->param('page');

    IkiWiki::loadindex();

    if (! exists $pagesources{$page}) {
        IkiWiki::cgi_custom_failure(
            $cgi->header(-status => "404 Not Found"),
            IkiWiki::misctemplate(gettext("missing page"),
                "<p>".
                sprintf(gettext("The page %s does not exist."),
                    htmllink("", "", $page)).
                "</p>"));
        exit;
    }

    if (! defined pagetype($pagesources{$page})) {
        IkiWiki::cgi_custom_failure(
            $cgi->header(-status => "403 Forbidden"),
            IkiWiki::misctemplate(gettext("not a page"),
                "<p>".
                sprintf(gettext("%s is an attachment, not a page."),
                    htmllink("", "", $page)).
                "</p>"));
        exit;
    }

    if (! $config{getsource_mimetype}) {
        $config{getsource_mimetype} = "text/plain; charset=utf-8";
    }

    print "Content-Type: $config{getsource_mimetype}\r\n";
    print ("\r\n");
    print readfile(srcfile($pagesources{$page}));

    exit 0;
}

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