/usr/share/perl5/IkiWiki/Plugin/editdiff.pm is in ikiwiki 3.20141016.4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 | #!/usr/bin/perl
# This plugin adds a "Diff" button to the page edit form.
package IkiWiki::Plugin::editdiff;
use warnings;
use strict;
use IkiWiki 3.00;
use HTML::Entities;
use IPC::Open2;
sub import {
hook(type => "getsetup", id => "editdiff", call => \&getsetup);
hook(type => "formbuilder_setup", id => "editdiff",
call => \&formbuilder_setup);
}
sub getsetup () {
return
plugin => {
safe => 1,
rebuild => 0,
section => "web",
},
}
sub diff ($$) {
my $orig=shift;
my $content=shift;
my $sigpipe=0;
$SIG{PIPE} = sub { $sigpipe=1; };
my $pid = open2(*DIFFOUT, *DIFFIN, 'diff', '-u', $orig, '-');
binmode($_, ':utf8') foreach (*DIFFIN, *DIFFOUT);
print DIFFIN $content;
close DIFFIN;
my $ret='';
while (<DIFFOUT>) {
if (defined $ret) {
$ret.=$_;
}
elsif (/^\@\@/) {
$ret=$_;
}
}
close DIFFOUT;
waitpid $pid, 0;
$SIG{PIPE}="default";
return "couldn't run diff\n" if $sigpipe;
return "<pre>".encode_entities($ret)."</pre>";
}
sub formbuilder_setup {
my %params=@_;
my $form=$params{form};
return if ! defined $form->field("do") || $form->field("do") ne "edit";
my $page=$form->field("page");
$page = IkiWiki::possibly_foolish_untaint($page);
return unless exists $pagesources{$page};
push @{$params{buttons}}, "Diff";
if ($form->submitted eq "Diff") {
my $content=$form->field('editcontent');
$content=~s/\r\n/\n/g;
$content=~s/\r/\n/g;
my $diff = diff(srcfile($pagesources{$page}), $content);
$form->tmpl_param("page_diff", $diff);
}
}
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