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#!/usr/bin/perl
package IkiWiki::Receive;
use warnings;
use strict;
use IkiWiki;
sub getuser () {
my $user=(getpwuid(exists $ENV{CALLER_UID} ? $ENV{CALLER_UID} : $<))[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 genwrapper () {
# Test for commits from untrusted committers in the wrapper, to
# avoid starting ikiwiki proper at all for trusted commits.
my $ret=<<"EOF";
{
int u=getuid();
/* 3 characters per byte is certainly enough */
char uid_string[sizeof(u) * 3 + 1];
EOF
$ret.="\t\tif ( ".
join("&&", map {
my $uid=getpwnam($_);
if (! defined $uid) {
error(sprintf(gettext("cannot determine id of untrusted committer %s"), $_));
}
"u != $uid";
} @{$config{untrusted_committers}}).
") {\n";
$ret.=<<"EOF";
/* Trusted user.
* Consume all stdin before exiting, as git may
* otherwise be unhappy. */
char buf[256];
while (read(0, &buf, 256) != 0) {}
exit(0);
}
snprintf(uid_string, sizeof(uid_string), "%i", u);
addenv("CALLER_UID", uid_string);
}
EOF
return $ret;
}
sub test () {
exit 0 if trusted();
IkiWiki::lockwiki();
IkiWiki::loadindex();
# Dummy up a cgi environment to use when calling check_canedit
# and friends.
eval q{use CGI};
error($@) if $@;
my $cgi=CGI->new;
# And dummy up a session object.
require IkiWiki::CGI;
my $session=IkiWiki::cgi_getsession($cgi);
$session->param("name", getuser());
# Make sure whatever user was authed is in the
# userinfo db.
require IkiWiki::UserInfo;
if (! IkiWiki::userinfo_get($session->param("name"), "regdate")) {
IkiWiki::userinfo_setall($session->param("name"), {
email => "",
password => "",
regdate => time,
}) || error("failed adding user");
}
IkiWiki::check_canchange(
cgi => $cgi,
session => $session,
changes => [IkiWiki::rcs_receive()]
);
exit 0;
}
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