put diff at end of revert form

[ikiwiki.git] / IkiWiki / Receive.pm

diff --git a/IkiWiki/Receive.pm b/IkiWiki/Receive.pm
index 9a672abc99ca2742f5373d737280ad8a6bbe830a..88fb4972571e7013480f943483a73a11e5b9a93d 100644 (file)
--- a/IkiWiki/Receive.pm
+++ b/IkiWiki/Receive.pm
@@ -1,56 +1,105 @@
 #!/usr/bin/perl
-
 package IkiWiki::Receive;
 
 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 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();
+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";
 
-sub test () { #{{{
-       exit 0 if trusted();
        
+       $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;
+
+       # 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 $ENV{REMOTE_ADDR};
+       # Make sure whatever user was authed is in the
+       # userinfo db.
+       require IkiWiki::UserInfo;
+       if (! IkiWiki::userinfo_get($session->param("name"), "regdate")) {
+               IkiWiki::userinfo_setall($session->param("name"), {
+                       email => "",
+                       password => "",
+                       regdate => time,
+               }) || error("failed adding user");
+       }
 
-       IkiWiki::lockwiki();
-       IkiWiki::loadindex();
+       test_changes(cgi => $cgi,
+               session => $session,
+               changes => [IkiWiki::rcs_receive()]
+       );
+       exit 0;
+}
 
-       my %newfiles;
+sub test_changes {
+       my %params = @_;
+       my $cgi = $params{cgi};
+       my $session = $params{session};
+       my @changes = @{$params{changes}};
 
-       foreach my $change (IkiWiki::rcs_receive()) {
+       my %newfiles;
+       foreach my $change (@changes) {
                # This untaint is safe because we check file_pruned and
                # wiki_file_regexp.
                my ($file)=$change->{file}=~/$config{wiki_file_regexp}/;
                $file=IkiWiki::possibly_foolish_untaint($file);
                if (! defined $file || ! length $file ||
-                   IkiWiki::file_pruned($file, $config{srcdir})) {
+                   IkiWiki::file_pruned($file)) {
                        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;
                }
@@ -58,41 +107,39 @@ sub test () { #{{{
                if ($change->{action} eq 'change' ||
                    $change->{action} eq 'add') {
                        if (defined $page) {
-                               if (IkiWiki->can("check_canedit")) {
-                                   IkiWiki::check_canedit($page, $cgi, $session);
-                                   next;
-                               }
+                               IkiWiki::check_canedit($page, $cgi, $session);
+                               next;
                        }
                        else {
                                if (IkiWiki::Plugin::attachment->can("check_canattach")) {
                                        IkiWiki::Plugin::attachment::check_canattach($session, $file, $change->{path});
+                                       IkiWiki::check_canedit($file, $cgi, $session);
                                        next;
                                }
                        }
                }
                elsif ($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
+                       # on disk. This will fail when 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.)
+                       # could not add.)
                        next if $newfiles{$file};
 
                        if (IkiWiki::Plugin::remove->can("check_canremove")) {
                                IkiWiki::Plugin::remove::check_canremove(defined $page ? $page : $file, $cgi, $session);
+                               IkiWiki::check_canedit(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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