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[git.ikiwiki.info.git] / IkiWiki / Receive.pm
1 #!/usr/bin/perl
2 package IkiWiki::Receive;
4 use warnings;
5 use strict;
6 use IkiWiki;
8 sub getuser () {
9         my $user=(getpwuid(exists $ENV{CALLER_UID} ? $ENV{CALLER_UID} : $<))[0];
10         if (! defined $user) {
11                 error("cannot determine username for $<");
12         }
13         return $user;
14 }
16 sub trusted () {
17         my $user=getuser();
18         return ! ref $config{untrusted_committers} ||
19                 ! grep { $_ eq $user } @{$config{untrusted_committers}};
20 }
22 sub genwrapper () {
23         # Test for commits from untrusted committers in the wrapper, to
24         # avoid starting ikiwiki proper at all for trusted commits.
26         my $ret=<<"EOF";
27         {
28                 int u=getuid();
29 EOF
30         $ret.="\t\tif ( ".
31                 join("&&", map {
32                         my $uid=getpwnam($_);
33                         if (! defined $uid) {
34                                 error(sprintf(gettext("cannot determine id of untrusted committer %s"), $_));
35                         }
36                         "u != $uid";
37                 } @{$config{untrusted_committers}}).
38                 ") exit(0);\n";
40         
41         $ret.=<<"EOF";
42                 asprintf(&s, "CALLER_UID=%i", u);
43                 newenviron[i++]=s;
44         }
45 EOF
46         return $ret;
47 }
49 sub test () {
50         exit 0 if trusted();
52         IkiWiki::lockwiki();
53         IkiWiki::loadindex();
55         # Dummy up a cgi environment to use when calling check_canedit
56         # and friends.
57         eval q{use CGI};
58         error($@) if $@;
59         my $cgi=CGI->new;
61         # And dummy up a session object.
62         require IkiWiki::CGI;
63         my $session=IkiWiki::cgi_getsession($cgi);
64         $session->param("name", getuser());
65         # Make sure whatever user was authed is in the
66         # userinfo db.
67         require IkiWiki::UserInfo;
68         if (! IkiWiki::userinfo_get($session->param("name"), "regdate")) {
69                 IkiWiki::userinfo_setall($session->param("name"), {
70                         email => "",
71                         password => "",
72                         regdate => time,
73                 }) || error("failed adding user");
74         }
76         IkiWiki::check_canchange(
77                 cgi => $cgi,
78                 session => $session,
79                 changes => [IkiWiki::rcs_receive()]
80         );
81         exit 0;
82 }
84 1