X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/841617c9ff35d25dd7a89f6905a67a911c22e430..474f51a7a2d8e42f7bd723a80b14abc6d36c4df3:/IkiWiki/CGI.pm
diff --git a/IkiWiki/CGI.pm b/IkiWiki/CGI.pm
index cfb2c0b1d..99cead64f 100644
--- a/IkiWiki/CGI.pm
+++ b/IkiWiki/CGI.pm
@@ -21,7 +21,7 @@ sub printheader ($) { #{{{
} #}}}
-sub showform ($$$$) { #{{{
+sub showform ($$$$;@) { #{{{
my $form=shift;
my $buttons=shift;
my $session=shift;
@@ -35,7 +35,7 @@ sub showform ($$$$) { #{{{
}
printheader($session);
- print misctemplate($form->title, $form->render(submit => $buttons));
+ print misctemplate($form->title, $form->render(submit => $buttons), @_);
}
sub redirect ($$) { #{{{
@@ -78,9 +78,24 @@ sub check_canedit ($$$;$) { #{{{
} #}}}
sub decode_cgi_utf8 ($) { #{{{
- my $cgi = shift;
- foreach my $f ($cgi->param) {
- $cgi->param($f, map { decode_utf8 $_ } $cgi->param($f));
+ # decode_form_utf8 method is needed for 5.10
+ if ($] < 5.01) {
+ my $cgi = shift;
+ foreach my $f ($cgi->param) {
+ $cgi->param($f, map { decode_utf8 $_ } $cgi->param($f));
+ }
+ }
+} #}}}
+
+sub decode_form_utf8 ($) { #{{{
+ if ($] >= 5.01) {
+ my $form = shift;
+ foreach my $f ($form->field) {
+ $form->field(name => $f,
+ value => decode_utf8($form->field($f)),
+ force => 1,
+ );
+ }
}
} #}}}
@@ -127,10 +142,12 @@ sub cgi_signin ($$) { #{{{
$form->field(name => "do", type => "hidden", value => "signin",
force => 1);
+ decode_form_utf8($form);
run_hooks(formbuilder_setup => sub {
shift->(form => $form, cgi => $q, session => $session,
buttons => $buttons);
});
+ decode_form_utf8($form);
if ($form->submitted) {
$form->validate;
@@ -161,8 +178,18 @@ sub cgi_prefs ($$) { #{{{
my $session=shift;
needsignin($q, $session);
-
decode_cgi_utf8($q);
+
+ # The session id is stored on the form and checked to
+ # guard against CSRF.
+ my $sid=$q->param('sid');
+ if (! defined $sid) {
+ $q->delete_all;
+ }
+ elsif ($sid ne $session->id) {
+ error(gettext("Your login session has expired."));
+ }
+
eval q{use CGI::FormBuilder};
error($@) if $@;
my $form = CGI::FormBuilder->new(
@@ -187,13 +214,18 @@ sub cgi_prefs ($$) { #{{{
],
);
my $buttons=["Save Preferences", "Logout", "Cancel"];
-
+
+ decode_form_utf8($form);
run_hooks(formbuilder_setup => sub {
shift->(form => $form, cgi => $q, session => $session,
buttons => $buttons);
});
+ decode_form_utf8($form);
- $form->field(name => "do", type => "hidden");
+ $form->field(name => "do", type => "hidden", value => "prefs",
+ force => 1);
+ $form->field(name => "sid", type => "hidden", value => $session->id,
+ force => 1);
$form->field(name => "email", size => 50, fieldset => "preferences");
$form->field(name => "banned_users", size => 50,
fieldset => "admin");
@@ -241,15 +273,14 @@ sub cgi_prefs ($$) { #{{{
sub cgi_editpage ($$) { #{{{
my $q=shift;
my $session=shift;
+
+ decode_cgi_utf8($q);
my @fields=qw(do rcsinfo subpage from page type editcontent comments);
my @buttons=("Save Page", "Preview", "Cancel");
-
- decode_cgi_utf8($q);
eval q{use CGI::FormBuilder};
error($@) if $@;
my $form = CGI::FormBuilder->new(
- title => "editpage",
fields => \@fields,
charset => "utf-8",
method => 'POST',
@@ -263,19 +294,22 @@ sub cgi_editpage ($$) { #{{{
wikiname => $config{wikiname},
);
+ decode_form_utf8($form);
run_hooks(formbuilder_setup => sub {
shift->(form => $form, cgi => $q, session => $session,
buttons => \@buttons);
});
+ decode_form_utf8($form);
- # This untaint is safe because titlepage removes any problematic
- # characters.
- my ($page)=$form->field('page');
- $page=titlepage(possibly_foolish_untaint($page));
+ # This untaint is safe because we check file_pruned.
+ my $page=$form->field('page');
+ $page=possibly_foolish_untaint($page);
if (! defined $page || ! length $page ||
file_pruned($page, $config{srcdir}) || $page=~/^\//) {
error("bad page name");
}
+
+ my $baseurl=$config{url}."/".htmlpage($page);
my $from;
if (defined $form->field('from')) {
@@ -314,10 +348,12 @@ sub cgi_editpage ($$) { #{{{
}
$form->field(name => "do", type => 'hidden');
+ $form->field(name => "sid", type => "hidden", value => $session->id,
+ force => 1);
$form->field(name => "from", type => 'hidden');
$form->field(name => "rcsinfo", type => 'hidden');
$form->field(name => "subpage", type => 'hidden');
- $form->field(name => "page", value => pagetitle($page, 1), force => 1);
+ $form->field(name => "page", value => $page, force => 1);
$form->field(name => "type", value => $type, force => 1);
$form->field(name => "comments", type => "text", size => 80);
$form->field(name => "editcontent", type => "textarea", rows => 20,
@@ -325,10 +361,9 @@ sub cgi_editpage ($$) { #{{{
$form->tmpl_param("can_commit", $config{rcs});
$form->tmpl_param("indexlink", indexlink());
$form->tmpl_param("helponformattinglink",
- htmllink("", "", "ikiwiki/formatting",
+ htmllink($page, $page, "ikiwiki/formatting",
noimageinline => 1,
linktext => "FormattingHelp"));
- $form->tmpl_param("baseurl", baseurl());
if ($form->submitted eq "Cancel") {
if ($form->field("do") eq "create" && defined $from) {
@@ -343,7 +378,14 @@ sub cgi_editpage ($$) { #{{{
return;
}
elsif ($form->submitted eq "Preview") {
+ my $new=not exists $pagesources{$page};
+ if ($new) {
+ # temporarily record its type
+ $pagesources{$page}=$page.".".$type;
+ }
+
my $content=$form->field('editcontent');
+
run_hooks(editcontent => sub {
$content=shift->(
content => $content,
@@ -352,11 +394,21 @@ sub cgi_editpage ($$) { #{{{
session => $session,
);
});
- $form->tmpl_param("page_preview",
- htmlize($page, $type,
- linkify($page, "",
+ my $preview=htmlize($page, $page, $type,
+ linkify($page, $page,
preprocess($page, $page,
- filter($page, $page, $content), 0, 1))));
+ filter($page, $page, $content), 0, 1)));
+ run_hooks(format => sub {
+ $preview=shift->(
+ page => $page,
+ content => $preview,
+ );
+ });
+ $form->tmpl_param("page_preview", $preview);
+
+ if ($new) {
+ delete $pagesources{$page};
+ }
# previewing may have created files on disk
saveindex();
}
@@ -433,8 +485,8 @@ sub cgi_editpage ($$) { #{{{
$form->tmpl_param("page_select", 1);
$form->field(name => "page", type => 'select',
- options => [ map { pagetitle($_, 1) } @editable_locs ],
- value => pagetitle($best_loc, 1));
+ options => [ map { [ $_, pagetitle($_, 1) ] } @editable_locs ],
+ value => $best_loc);
$form->field(name => "type", type => 'select',
options => \@page_types);
$form->title(sprintf(gettext("creating %s"), pagetitle($page)));
@@ -458,23 +510,33 @@ sub cgi_editpage ($$) { #{{{
$form->title(sprintf(gettext("editing %s"), pagetitle($page)));
}
- showform($form, \@buttons, $session, $q);
+ showform($form, \@buttons, $session, $q, forcebaseurl => $baseurl);
}
else {
# save page
check_canedit($page, $q, $session);
+
+ # The session id is stored on the form and checked to
+ # guard against CSRF. But only if the user is logged in,
+ # as anonok can allow anonymous edits.
+ if (defined $session->param("name")) {
+ my $sid=$q->param('sid');
+ if (! defined $sid || $sid ne $session->id) {
+ error(gettext("Your login session has expired."));
+ }
+ }
my $exists=-e "$config{srcdir}/$file";
if ($form->field("do") ne "create" && ! $exists &&
- ! eval { srcfile($file) }) {
+ ! defined srcfile($file, 1)) {
$form->tmpl_param("page_gone", 1);
$form->field(name => "do", value => "create", force => 1);
$form->tmpl_param("page_select", 0);
$form->field(name => "page", type => 'hidden');
$form->field(name => "type", type => 'hidden');
$form->title(sprintf(gettext("editing %s"), $page));
- showform($form, \@buttons, $session, $q);
+ showform($form, \@buttons, $session, $q, forcebaseurl => $baseurl);
return;
}
elsif ($form->field("do") eq "create" && $exists) {
@@ -488,7 +550,7 @@ sub cgi_editpage ($$) { #{{{
value => readfile("$config{srcdir}/$file").
"\n\n\n".$form->field("editcontent"),
force => 1);
- showform($form, \@buttons, $session, $q);
+ showform($form, \@buttons, $session, $q, forcebaseurl => $baseurl);
return;
}
@@ -518,7 +580,8 @@ sub cgi_editpage ($$) { #{{{
$form->field(name => "page", type => 'hidden');
$form->field(name => "type", type => 'hidden');
$form->title(sprintf(gettext("editing %s"), $page));
- showform($form, \@buttons, $session, $q);
+ showform($form, \@buttons, $session, $q,
+ forcebaseurl => $baseurl);
return;
}
@@ -562,7 +625,8 @@ sub cgi_editpage ($$) { #{{{
$form->field(name => "page", type => 'hidden');
$form->field(name => "type", type => 'hidden');
$form->title(sprintf(gettext("editing %s"), $page));
- showform($form, \@buttons, $session, $q);
+ showform($form, \@buttons, $session, $q,
+ forcebaseurl => $baseurl);
return;
}
else {
@@ -577,6 +641,7 @@ sub cgi_getsession ($) { #{{{
my $q=shift;
eval q{use CGI::Session};
+ error($@) if $@;
CGI::Session->name("ikiwiki_session_".encode_utf8($config{wikiname}));
my $oldmask=umask(077);
@@ -600,11 +665,14 @@ sub cgi (;$$) { #{{{
my $q=shift;
my $session=shift;
+ eval q{use CGI};
+ error($@) if $@;
+ $CGI::DISABLE_UPLOADS=$config{cgi_disable_uploads};
+
if (! $q) {
- eval q{use CGI};
- error($@) if $@;
-
+ binmode(STDIN);
$q=CGI->new;
+ binmode(STDIN, ":utf8");
run_hooks(cgi => sub { shift->($q) });
}