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#!/usr/bin/perl
package IkiWiki::Receive;
use warnings;
use strict;
use IkiWiki;
sub getuser () { #{{{
my $user=(getpwuid($<))[0];
if (! defined $user) {
error("cannot determine username for $<");
}
return $user;
} #}}}
sub trusted () { #{{{
my $user=getuser();
return ! ref $config{untrusted_committers} ||
! grep { $_ eq $user } @{$config{untrusted_committers}};
} #}}}
sub test () { #{{{
exit 0 if trusted();
# Dummy up a cgi environment to use when calling check_canedit
# and friends.
eval q{use CGI};
error($@) if $@;
my $cgi=CGI->new;
require IkiWiki::CGI;
my $session=IkiWiki::cgi_getsession($cgi);
$session->param("name", getuser());
$ENV{REMOTE_ADDR}='unknown' unless exists $ENV{REMOTE_ADDR};
IkiWiki::lockwiki();
IkiWiki::loadindex();
my %newfiles;
foreach my $change (IkiWiki::rcs_receive()) {
# This untaint is safe because we check file_pruned and
# wiki_file_regexp.
my ($file)=$change->{file}=~/$config{wiki_file_regexp}/;
$file=IkiWiki::possibly_foolish_untaint($file);
if (! defined $file || ! length $file ||
IkiWiki::file_pruned($file, $config{srcdir})) {
error(gettext("bad file name %s"), $file);
}
my $type=pagetype($file);
my $page=pagename($file) if defined $type;
if ($change->{action} eq 'add') {
$newfiles{$file}=1;
}
if ($change->{action} eq 'change' ||
$change->{action} eq 'add') {
if (defined $page) {
if (IkiWiki->can("check_canedit")) {
IkiWiki::check_canedit($page, $cgi, $session);
next;
}
}
else {
if (IkiWiki::Plugin::attachment->can("check_canattach")) {
IkiWiki::Plugin::attachment::check_canattach($session, $file, $change->{path});
next;
}
}
}
elsif ($change->{action} eq 'remove') {
# check_canremove tests to see if the file is present
# on disk. This will fail is a single commit adds a
# file and then removes it again. Avoid the problem
# by not testing the removal in such pairs of changes.
# (The add is still tested, just to make sure that
# no data is added to the repo that a web edit
# could add.)
next if $newfiles{$file};
if (IkiWiki::Plugin::remove->can("check_canremove")) {
IkiWiki::Plugin::remove::check_canremove(defined $page ? $page : $file, $cgi, $session);
next;
}
}
else {
error "unknown action ".$change->{action};
}
error sprintf(gettext("you are not allowed to change %s"), $file);
}
exit 0;
} #}}}
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