#!/usr/bin/perl
+package IkiWiki;
+
use warnings;
use strict;
use IkiWiki;
use open qw{:utf8 :std};
use Encode;
-package IkiWiki;
-
sub printheader ($) { #{{{
my $session=shift;
}
} #}}}
-
-sub showform ($$$$) { #{{{
+
+sub showform ($$$$;@) { #{{{
my $form=shift;
my $buttons=shift;
my $session=shift;
}
printheader($session);
- print misctemplate($form->title, $form->render(submit => $buttons));
+ print misctemplate($form->title, $form->render(submit => $buttons), @_);
}
sub redirect ($$) { #{{{
run_hooks(canedit => sub {
return if defined $canedit;
my $ret=shift->($page, $q, $session);
- if (defined $ret && $ret eq "") {
- $canedit=1;
- }
- elsif (defined $ret) {
- $canedit=0;
- error($ret) unless $nonfatal;
+ if (defined $ret) {
+ if ($ret eq "") {
+ $canedit=1;
+ }
+ elsif (ref $ret eq 'CODE') {
+ $ret->() unless $nonfatal;
+ $canedit=0;
+ }
+ elsif (defined $ret) {
+ error($ret) unless $nonfatal;
+ $canedit=0;
+ }
}
});
return $canedit;
} #}}}
sub decode_cgi_utf8 ($) { #{{{
- 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 cgi_recentchanges ($) { #{{{
- my $q=shift;
-
- # Optimisation: building recentchanges means calculating lots of
- # links. Memoizing htmllink speeds it up a lot (can't be memoized
- # during page builds as the return values may change, but they
- # won't here.)
- eval q{use Memoize};
- error($@) if $@;
- memoize("htmllink");
-
- eval q{use Time::Duration};
- error($@) if $@;
-
- my $changelog=[rcs_recentchanges(100)];
- foreach my $change (@$changelog) {
- $change->{when} = concise(ago($change->{when}));
-
- $change->{user} = userlink($change->{user});
-
- my $is_excess = exists $change->{pages}[10]; # limit pages to first 10
- delete @{$change->{pages}}[10 .. @{$change->{pages}}] if $is_excess;
- $change->{pages} = [
- map {
- $_->{link} = htmllink("", "", $_->{page},
- noimageinline => 1,
- linktext => pagetitle($_->{page}));
- $_;
- } @{$change->{pages}}
- ];
- push @{$change->{pages}}, { link => '...' } if $is_excess;
- }
-
- my $template=template("recentchanges.tmpl");
- $template->param(
- title => "RecentChanges",
- indexlink => indexlink(),
- wikiname => $config{wikiname},
- changelog => $changelog,
- baseurl => baseurl(),
- );
- run_hooks(pagetemplate => sub {
- shift->(page => "", destpage => "", template => $template);
- });
- print $q->header(-charset => 'utf-8'), $template->output;
+sub decode_form_utf8 ($) { #{{{
+ if ($] >= 5.01) {
+ my $form = shift;
+ foreach my $f ($form->field) {
+ $form->field(name => $f,
+ value => decode_utf8($form->field($f)),
+ force => 1,
+ );
+ }
+ }
} #}}}
# Check if the user is signed in. If not, redirect to the signin form and
if (! defined $session->param("name") ||
! userinfo_get($session->param("name"), "regdate")) {
- if (! defined $session->param("postsignin")) {
- $session->param(postsignin => $ENV{QUERY_STRING});
- }
+ $session->param(postsignin => $ENV{QUERY_STRING});
cgi_signin($q, $session);
cgi_savesession($session);
exit;
$form->field(name => "do", type => "hidden", value => "signin",
force => 1);
+ decode_form_utf8($form);
run_hooks(formbuilder_setup => sub {
shift->(form => $form, cgi => $q, session => $session,
buttons => $buttons);
});
+ decode_form_utf8($form);
if ($form->submitted) {
$form->validate;
exit;
}
else {
- # This can occur, for example, if a user went to the signin
- # url via a bookmark.
- redirect($q, $config{url});
+ error(gettext("login failed, perhaps you need to turn on cookies?"));
}
} #}}}
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(
],
);
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 => "subscriptions", size => 50,
- fieldset => "preferences",
- comment => "(".htmllink("", "", "ikiwiki/PageSpec", noimageinline => 1).")");
$form->field(name => "banned_users", size => 50,
fieldset => "admin");
if (! $form->submitted) {
$form->field(name => "email", force => 1,
value => userinfo_get($user_name, "email"));
- $form->field(name => "subscriptions", force => 1,
- value => userinfo_get($user_name, "subscriptions"));
if (is_admin($user_name)) {
$form->field(name => "banned_users", force => 1,
value => join(" ", get_banned_users()));
return;
}
elsif ($form->submitted eq 'Save Preferences' && $form->validate) {
- foreach my $field (qw(email subscriptions)) {
- if (defined $form->field($field) && length $form->field($field)) {
- userinfo_set($user_name, $field, $form->field($field)) ||
- error("failed to set $field");
- }
+ if (defined $form->field('email')) {
+ userinfo_set($user_name, 'email', $form->field('email')) ||
+ error("failed to set email");
}
if (is_admin($user_name)) {
set_banned_users(grep { ! is_admin($_) }
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',
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);
+ my $absolute=($page =~ s#^/+##);
if (! defined $page || ! length $page ||
- file_pruned($page, $config{srcdir}) || $page=~/^\//) {
+ file_pruned($page, $config{srcdir})) {
error("bad page name");
}
+
+ my $baseurl=$config{url}."/".htmlpage($page);
my $from;
if (defined $form->field('from')) {
if (exists $pagesources{$page} && $form->field("do") ne "create") {
$file=$pagesources{$page};
$type=pagetype($file);
- if (! defined $type) {
+ if (! defined $type || $type=~/^_/) {
error(sprintf(gettext("%s is not an editable page"), $page));
}
if (! $form->submitted) {
if (defined $type && length $type && $hooks{htmlize}{$type}) {
$type=possibly_foolish_untaint($type);
}
- elsif (defined $from) {
+ elsif (defined $from && exists $pagesources{$from}) {
# favor the type of linking page
$type=pagetype($pagesources{$from});
}
}
$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,
$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 $from) {
return;
}
elsif ($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,
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();
}
elsif ($form->submitted eq "Save Page") {
$form->tmpl_param("page_preview", "");
}
- $form->tmpl_param("page_conflict", "");
if ($form->submitted ne "Save Page" || ! $form->validate) {
if ($form->field("do") eq "create") {
if (! defined $from || ! length $from ||
$from ne $form->field('from') ||
file_pruned($from, $config{srcdir}) ||
- $from=~/^\// ||
+ $from=~/^\// ||
+ $absolute ||
$form->submitted eq "Preview") {
@page_locs=$best_loc=$page;
}
$dir=~s![^/]+/+$!!;
push @page_locs, $dir.$page;
}
+
+ push @page_locs, "$config{userdir}/$page"
+ if length $config{userdir};
}
- push @page_locs, "$config{userdir}/$page"
- if length $config{userdir};
@page_locs = grep {
! exists $pagecase{lc $_}
if (! @page_locs) {
# hmm, someone else made the page in the
# meantime?
- redirect($q, "$config{url}/".htmlpage($page));
- return;
+ if ($form->submitted eq "Preview") {
+ # let them go ahead with the edit
+ # and resolve the conflict at save
+ # time
+ @page_locs=$page;
+ }
+ else {
+ redirect($q, "$config{url}/".htmlpage($page));
+ return;
+ }
}
my @editable_locs = grep {
my @page_types;
if (exists $hooks{htmlize}) {
- @page_types=keys %{$hooks{htmlize}};
+ @page_types=grep { !/^_/ }
+ keys %{$hooks{htmlize}};
}
$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)));
$form->title(sprintf(gettext("editing %s"), pagetitle($page)));
}
- showform($form, \@buttons, $session, $q);
- saveindex();
+ showform($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) }) {
- $form->tmpl_param("page_gone", 1);
+ ! defined srcfile($file, 1)) {
+ $form->tmpl_param("message", template("editpagegone.tmpl")->output);
$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) {
- $form->tmpl_param("creation_conflict", 1);
+ $form->tmpl_param("message", template("editcreationconflict.tmpl")->output);
$form->field(name => "do", value => "edit", force => 1);
$form->tmpl_param("page_select", 0);
$form->field(name => "page", type => 'hidden');
value => readfile("$config{srcdir}/$file").
"\n\n\n".$form->field("editcontent"),
force => 1);
- showform($form, \@buttons, $session, $q);
+ showform($form, \@buttons, $session, $q, forcebaseurl => $baseurl);
return;
}
if ($@) {
$form->field(name => "rcsinfo", value => rcs_prepedit($file),
force => 1);
- $form->tmpl_param("failed_save", 1);
- $form->tmpl_param("error_message", $@);
+ my $mtemplate=template("editfailedsave.tmpl");
+ $mtemplate->param(error_message => $@);
+ $form->tmpl_param("message", $mtemplate->output);
$form->field("editcontent", value => $content, 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;
}
# Prevent deadlock with post-commit hook by
# signaling to it that it should not try to
- # do anything (except send commit mails).
+ # do anything.
disable_commit_hook();
$conflict=rcs_commit($file, $message,
$form->field("rcsinfo"),
# may have been committed while the post-commit hook was
# disabled.
require IkiWiki::Render;
- # Reload index, since the first time it's loaded is before
- # the wiki is locked, and things may have changed in the
- # meantime.
- loadindex();
refresh();
saveindex();
if (defined $conflict) {
$form->field(name => "rcsinfo", value => rcs_prepedit($file),
force => 1);
- $form->tmpl_param("page_conflict", 1);
+ $form->tmpl_param("message", template("editconflict.tmpl")->output);
$form->field("editcontent", value => $conflict, force => 1);
$form->field("do", "edit", 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;
}
else {
my $q=shift;
eval q{use CGI::Session};
+ error($@) if $@;
CGI::Session->name("ikiwiki_session_".encode_utf8($config{wikiname}));
my $oldmask=umask(077);
- my $session = CGI::Session->new("driver:DB_File", $q,
- { FileName => "$config{wikistatedir}/sessions.db" });
+ my $session = eval {
+ CGI::Session->new("driver:DB_File", $q,
+ { FileName => "$config{wikistatedir}/sessions.db" })
+ };
+ if (! $session || $@) {
+ error($@." ".CGI::Session->errstr());
+ }
+
umask($oldmask);
return $session;
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) });
}
}
}
- # Things that do not need a session.
- if ($do eq 'recentchanges') {
- cgi_recentchanges($q);
- return;
- }
-
# Need to lock the wiki before getting a session.
lockwiki();
+ loadindex();
if (! $session) {
$session=cgi_getsession($q);
cgi_signin($q, $session);
cgi_savesession($session);
}
- elsif (defined $session->param("postsignin")) {
- cgi_postsignin($q, $session);
- }
elsif ($do eq 'prefs') {
cgi_prefs($q, $session);
}
elsif ($do eq 'create' || $do eq 'edit') {
cgi_editpage($q, $session);
}
- elsif ($do eq 'postsignin') {
- error(gettext("login failed, perhaps you need to turn on cookies?"));
+ elsif (defined $session->param("postsignin") || $do eq 'postsignin') {
+ cgi_postsignin($q, $session);
}
else {
error("unknown do parameter");
}
} #}}}
-sub userlink ($) { #{{{
- my $user=shift;
+# Does not need tobe called directly; all errors will go through here.
+sub cgierror ($) { #{{{
+ my $message=shift;
- eval q{use CGI 'escapeHTML'};
- error($@) if $@;
- if ($user =~ m!^https?://! &&
- eval q{use Net::OpenID::VerifiedIdentity; 1} && !$@) {
- # Munge user-urls, as used by eg, OpenID.
- my $oid=Net::OpenID::VerifiedIdentity->new(identity => $user);
- my $display=$oid->display;
- # Convert "user.somehost.com" to "user [somehost.com]".
- if ($display !~ /\[/) {
- $display=~s/^(.*?)\.([^.]+\.[a-z]+)$/$1 [$2]/;
- }
- # Convert "http://somehost.com/user" to "user [somehost.com]".
- if ($display !~ /\[/) {
- $display=~s/^https?:\/\/(.+)\/([^\/]+)$/$2 [$1]/;
- }
- $display=~s!^https?://!!; # make sure this is removed
- return "<a href=\"$user\">".escapeHTML($display)."</a>";
- }
- else {
- return htmllink("", "", escapeHTML(
- length $config{userdir} ? $config{userdir}."/".$user : $user
- ), noimageinline => 1);
- }
+ print "Content-type: text/html\n\n";
+ print misctemplate(gettext("Error"),
+ "<p class=\"error\">".gettext("Error").": $message</p>");
+ die $@;
} #}}}
1