po/todo: take note of the commit that will need to be reverted later

[git.ikiwiki.info.git] / IkiWiki / Receive.pm

diff --git a/IkiWiki/Receive.pm b/IkiWiki/Receive.pm
index 81b67d9b47d5c527bfb538c706a4ea42aedf64ab..37b6f2a62667600c0ad181eb448d4629504bdd4c 100644 (file)
--- a/IkiWiki/Receive.pm
+++ b/IkiWiki/Receive.pm
@@ -6,37 +6,73 @@ use warnings;
 use strict;
 use IkiWiki;
 
-sub getuser () { #{{{
-       my $user=(getpwuid($<))[0];
+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 () { #{{{
+sub trusted () {
        my $user=getuser();
        return ! ref $config{untrusted_committers} ||
                ! grep { $_ eq $user } @{$config{untrusted_committers}};
-} #}}}
+}
 
-sub test () { #{{{
+sub gen_wrapper () {
+       # Test for commits from untrusted committers in the wrapper, to
+       # avoid loading ikiwiki at all for trusted commits.
+
+       my $ret=<<"EOF";
+       {
+               int u=getuid();
+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}}).
+               ") exit(0);\n";
+       $ret.=<<"EOF";
+               asprintf(&s, "CALLER_UID=%i", u);
+               newenviron[i++]=s;
+       }
+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;
+       $ENV{REMOTE_ADDR}='unknown' unless exists $ENV{REMOTE_ADDR};
+
+       # And dummy up a session object.
        require IkiWiki::CGI;
        my $session=IkiWiki::cgi_getsession($cgi);
        $session->param("name", getuser());
-       $ENV{REMOTE_ADDR}='unknown' unless exists $ENV{REMOTE_ADDR};
-
-       # Wiki is not locked because we lack permission to do so.
-       # So, relying on atomic index file updates to avoid trouble.
-       IkiWiki::loadindex();
-
+       # Make sure whatever user was authed is in the
+       # userinfo db.
+       require IkiWiki::UserInfo;
+       if (! IkiWiki::userinfo_get($session->param("name"), "regdate")) {
+               IkiWiki::userinfo_setall($session->param("name"), {
+                       email => "",
+                       password => "",
+                       regdate => time,
+               }) || error("failed adding user");
+       }
+       
        my %newfiles;
 
        foreach my $change (IkiWiki::rcs_receive()) {
@@ -94,6 +130,6 @@ sub test () { #{{{
        }
 
        exit 0;
-} #}}}
+}
 
 1