X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/dfef51e10ed46419ce361411a0fd27966d84e21e..29e80b4eedadc2afd3f9f36d215076c82982971b:/IkiWiki/Receive.pm

diff --git a/IkiWiki/Receive.pm b/IkiWiki/Receive.pm
index c69911a7c..5908e09f9 100644
--- a/IkiWiki/Receive.pm
+++ b/IkiWiki/Receive.pm
@@ -1,98 +1,91 @@
 #!/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}}).
+		") {\n";
 
-sub test () { #{{{
-	exit 0 if trusted();
 	
+	$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);
+		}
+		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};
-
-	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"));
-		}
-
-		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"), $file);
+	# Make sure whatever user was authed is in the
+	# userinfo db.
+	require IkiWiki::UserInfo;
+	if (! IkiWiki::userinfo_get($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;
-} #}}}
+}
 
 1