678 lines
17 KiB
Perl
678 lines
17 KiB
Perl
#!/usr/bin/perl
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use warnings;
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use strict;
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use IkiWiki;
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use IkiWiki::UserInfo;
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use open qw{:utf8 :std};
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use Encode;
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package IkiWiki;
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sub printheader ($) { #{{{
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my $session=shift;
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if ($config{sslcookie}) {
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print $session->header(-charset => 'utf-8',
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-cookie => $session->cookie(-secure => 1));
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} else {
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print $session->header(-charset => 'utf-8');
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}
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} #}}}
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sub showform ($$$$) { #{{{
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my $form=shift;
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my $buttons=shift;
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my $session=shift;
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my $cgi=shift;
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if (exists $hooks{formbuilder}) {
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run_hooks(formbuilder => sub {
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shift->(form => $form, cgi => $cgi, session => $session,
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buttons => $buttons);
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});
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}
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printheader($session);
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print misctemplate($form->title, $form->render(submit => $buttons));
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}
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sub redirect ($$) { #{{{
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my $q=shift;
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my $url=shift;
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if (! $config{w3mmode}) {
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print $q->redirect($url);
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}
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else {
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print "Content-type: text/plain\n";
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print "W3m-control: GOTO $url\n\n";
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}
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} #}}}
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sub check_canedit ($$$;$) { #{{{
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my $page=shift;
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my $q=shift;
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my $session=shift;
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my $nonfatal=shift;
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my $canedit;
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run_hooks(canedit => sub {
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return if defined $canedit;
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my $ret=shift->($page, $q, $session);
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if (defined $ret) {
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if ($ret eq "") {
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$canedit=1;
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}
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elsif (ref $ret eq 'CODE') {
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$ret->() unless $nonfatal;
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$canedit=0;
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}
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elsif (defined $ret) {
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error($ret) unless $nonfatal;
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$canedit=0;
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}
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}
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});
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return $canedit;
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} #}}}
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sub decode_cgi_utf8 ($) { #{{{
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my $cgi = shift;
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foreach my $f ($cgi->param) {
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$cgi->param($f, map { decode_utf8 $_ } $cgi->param($f));
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}
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} #}}}
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# Check if the user is signed in. If not, redirect to the signin form and
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# save their place to return to later.
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sub needsignin ($$) { #{{{
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my $q=shift;
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my $session=shift;
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if (! defined $session->param("name") ||
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! userinfo_get($session->param("name"), "regdate")) {
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$session->param(postsignin => $ENV{QUERY_STRING});
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cgi_signin($q, $session);
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cgi_savesession($session);
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exit;
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}
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} #}}}
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sub cgi_signin ($$) { #{{{
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my $q=shift;
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my $session=shift;
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decode_cgi_utf8($q);
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eval q{use CGI::FormBuilder};
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error($@) if $@;
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my $form = CGI::FormBuilder->new(
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title => "signin",
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name => "signin",
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charset => "utf-8",
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method => 'POST',
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required => 'NONE',
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javascript => 0,
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params => $q,
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action => $config{cgiurl},
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header => 0,
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template => {type => 'div'},
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stylesheet => baseurl()."style.css",
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);
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my $buttons=["Login"];
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if ($q->param("do") ne "signin" && !$form->submitted) {
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$form->text(gettext("You need to log in first."));
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}
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$form->field(name => "do", type => "hidden", value => "signin",
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force => 1);
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run_hooks(formbuilder_setup => sub {
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shift->(form => $form, cgi => $q, session => $session,
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buttons => $buttons);
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});
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if ($form->submitted) {
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$form->validate;
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}
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showform($form, $buttons, $session, $q);
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} #}}}
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sub cgi_postsignin ($$) { #{{{
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my $q=shift;
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my $session=shift;
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# Continue with whatever was being done before the signin process.
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if (defined $session->param("postsignin")) {
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my $postsignin=CGI->new($session->param("postsignin"));
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$session->clear("postsignin");
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cgi($postsignin, $session);
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cgi_savesession($session);
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exit;
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}
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else {
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error(gettext("login failed, perhaps you need to turn on cookies?"));
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}
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} #}}}
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sub cgi_prefs ($$) { #{{{
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my $q=shift;
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my $session=shift;
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needsignin($q, $session);
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decode_cgi_utf8($q);
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eval q{use CGI::FormBuilder};
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error($@) if $@;
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my $form = CGI::FormBuilder->new(
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title => "preferences",
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name => "preferences",
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header => 0,
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charset => "utf-8",
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method => 'POST',
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validate => {
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email => 'EMAIL',
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},
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required => 'NONE',
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javascript => 0,
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params => $q,
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action => $config{cgiurl},
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template => {type => 'div'},
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stylesheet => baseurl()."style.css",
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fieldsets => [
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[login => gettext("Login")],
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[preferences => gettext("Preferences")],
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[admin => gettext("Admin")]
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],
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);
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my $buttons=["Save Preferences", "Logout", "Cancel"];
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run_hooks(formbuilder_setup => sub {
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shift->(form => $form, cgi => $q, session => $session,
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buttons => $buttons);
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});
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$form->field(name => "do", type => "hidden");
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$form->field(name => "email", size => 50, fieldset => "preferences");
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$form->field(name => "banned_users", size => 50,
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fieldset => "admin");
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my $user_name=$session->param("name");
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if (! is_admin($user_name)) {
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$form->field(name => "banned_users", type => "hidden");
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}
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if (! $form->submitted) {
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$form->field(name => "email", force => 1,
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value => userinfo_get($user_name, "email"));
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if (is_admin($user_name)) {
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$form->field(name => "banned_users", force => 1,
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value => join(" ", get_banned_users()));
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}
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}
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if ($form->submitted eq 'Logout') {
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$session->delete();
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redirect($q, $config{url});
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return;
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}
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elsif ($form->submitted eq 'Cancel') {
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redirect($q, $config{url});
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return;
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}
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elsif ($form->submitted eq 'Save Preferences' && $form->validate) {
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if (defined $form->field('email')) {
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userinfo_set($user_name, 'email', $form->field('email')) ||
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error("failed to set email");
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}
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if (is_admin($user_name)) {
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set_banned_users(grep { ! is_admin($_) }
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split(' ',
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$form->field("banned_users"))) ||
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error("failed saving changes");
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}
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$form->text(gettext("Preferences saved."));
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}
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showform($form, $buttons, $session, $q);
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} #}}}
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sub cgi_editpage ($$) { #{{{
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my $q=shift;
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my $session=shift;
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my @fields=qw(do rcsinfo subpage from page type editcontent comments);
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my @buttons=("Save Page", "Preview", "Cancel");
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decode_cgi_utf8($q);
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eval q{use CGI::FormBuilder};
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error($@) if $@;
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my $form = CGI::FormBuilder->new(
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title => "editpage",
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fields => \@fields,
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charset => "utf-8",
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method => 'POST',
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required => [qw{editcontent}],
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javascript => 0,
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params => $q,
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action => $config{cgiurl},
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header => 0,
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table => 0,
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template => scalar template_params("editpage.tmpl"),
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wikiname => $config{wikiname},
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);
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run_hooks(formbuilder_setup => sub {
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shift->(form => $form, cgi => $q, session => $session,
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buttons => \@buttons);
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});
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# This untaint is safe because titlepage removes any problematic
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# characters.
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my ($page)=$form->field('page');
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$page=titlepage(possibly_foolish_untaint($page));
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if (! defined $page || ! length $page ||
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file_pruned($page, $config{srcdir}) || $page=~/^\//) {
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error("bad page name");
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}
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my $from;
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if (defined $form->field('from')) {
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($from)=$form->field('from')=~/$config{wiki_file_regexp}/;
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}
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my $file;
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my $type;
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if (exists $pagesources{$page} && $form->field("do") ne "create") {
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$file=$pagesources{$page};
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$type=pagetype($file);
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if (! defined $type || $type=~/^_/) {
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error(sprintf(gettext("%s is not an editable page"), $page));
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}
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if (! $form->submitted) {
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$form->field(name => "rcsinfo",
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value => rcs_prepedit($file), force => 1);
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}
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$form->field(name => "editcontent", validate => '/.*/');
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}
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else {
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$type=$form->param('type');
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if (defined $type && length $type && $hooks{htmlize}{$type}) {
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$type=possibly_foolish_untaint($type);
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}
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elsif (defined $from && exists $pagesources{$from}) {
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# favor the type of linking page
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$type=pagetype($pagesources{$from});
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}
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$type=$config{default_pageext} unless defined $type;
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$file=$page.".".$type;
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if (! $form->submitted) {
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$form->field(name => "rcsinfo", value => "", force => 1);
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}
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$form->field(name => "editcontent", validate => '/.+/');
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}
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$form->field(name => "do", type => 'hidden');
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$form->field(name => "from", type => 'hidden');
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$form->field(name => "rcsinfo", type => 'hidden');
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$form->field(name => "subpage", type => 'hidden');
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$form->field(name => "page", value => pagetitle($page, 1), force => 1);
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$form->field(name => "type", value => $type, force => 1);
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$form->field(name => "comments", type => "text", size => 80);
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$form->field(name => "editcontent", type => "textarea", rows => 20,
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cols => 80);
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$form->tmpl_param("can_commit", $config{rcs});
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$form->tmpl_param("indexlink", indexlink());
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$form->tmpl_param("helponformattinglink",
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htmllink("", "", "ikiwiki/formatting",
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noimageinline => 1,
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linktext => "FormattingHelp"));
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$form->tmpl_param("baseurl", baseurl());
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if ($form->submitted eq "Cancel") {
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if ($form->field("do") eq "create" && defined $from) {
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redirect($q, "$config{url}/".htmlpage($from));
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}
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elsif ($form->field("do") eq "create") {
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redirect($q, $config{url});
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}
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else {
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redirect($q, "$config{url}/".htmlpage($page));
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}
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return;
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}
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elsif ($form->submitted eq "Preview") {
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my $content=$form->field('editcontent');
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run_hooks(editcontent => sub {
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$content=shift->(
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content => $content,
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page => $page,
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cgi => $q,
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session => $session,
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);
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});
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$form->tmpl_param("page_preview",
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htmlize($page, $type,
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linkify($page, "",
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preprocess($page, $page,
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filter($page, $page, $content), 0, 1))));
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# previewing may have created files on disk
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saveindex();
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}
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elsif ($form->submitted eq "Save Page") {
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$form->tmpl_param("page_preview", "");
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}
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$form->tmpl_param("page_conflict", "");
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if ($form->submitted ne "Save Page" || ! $form->validate) {
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if ($form->field("do") eq "create") {
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my @page_locs;
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my $best_loc;
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if (! defined $from || ! length $from ||
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$from ne $form->field('from') ||
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file_pruned($from, $config{srcdir}) ||
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$from=~/^\// ||
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$form->submitted eq "Preview") {
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@page_locs=$best_loc=$page;
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}
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else {
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my $dir=$from."/";
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$dir=~s![^/]+/+$!!;
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if ((defined $form->field('subpage') && length $form->field('subpage')) ||
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$page eq gettext('discussion')) {
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$best_loc="$from/$page";
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}
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else {
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$best_loc=$dir.$page;
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}
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push @page_locs, $dir.$page;
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push @page_locs, "$from/$page";
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while (length $dir) {
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$dir=~s![^/]+/+$!!;
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push @page_locs, $dir.$page;
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}
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push @page_locs, "$config{userdir}/$page"
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if length $config{userdir};
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}
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@page_locs = grep {
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! exists $pagecase{lc $_}
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} @page_locs;
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if (! @page_locs) {
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# hmm, someone else made the page in the
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# meantime?
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if ($form->submitted eq "Preview") {
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# let them go ahead with the edit
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# and resolve the conflict at save
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# time
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@page_locs=$page;
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}
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else {
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redirect($q, "$config{url}/".htmlpage($page));
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return;
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}
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}
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my @editable_locs = grep {
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check_canedit($_, $q, $session, 1)
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} @page_locs;
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if (! @editable_locs) {
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# let it throw an error this time
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map { check_canedit($_, $q, $session) } @page_locs;
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}
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my @page_types;
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if (exists $hooks{htmlize}) {
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@page_types=grep { !/^_/ }
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keys %{$hooks{htmlize}};
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}
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$form->tmpl_param("page_select", 1);
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$form->field(name => "page", type => 'select',
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options => [ map { pagetitle($_, 1) } @editable_locs ],
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value => pagetitle($best_loc, 1));
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$form->field(name => "type", type => 'select',
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options => \@page_types);
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$form->title(sprintf(gettext("creating %s"), pagetitle($page)));
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}
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elsif ($form->field("do") eq "edit") {
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check_canedit($page, $q, $session);
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if (! defined $form->field('editcontent') ||
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! length $form->field('editcontent')) {
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my $content="";
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if (exists $pagesources{$page}) {
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$content=readfile(srcfile($pagesources{$page}));
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$content=~s/\n/\r\n/g;
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}
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$form->field(name => "editcontent", value => $content,
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force => 1);
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}
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$form->tmpl_param("page_select", 0);
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$form->field(name => "page", type => 'hidden');
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$form->field(name => "type", type => 'hidden');
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$form->title(sprintf(gettext("editing %s"), pagetitle($page)));
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}
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showform($form, \@buttons, $session, $q);
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}
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else {
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# save page
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check_canedit($page, $q, $session);
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my $exists=-e "$config{srcdir}/$file";
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if ($form->field("do") ne "create" && ! $exists &&
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! eval { srcfile($file) }) {
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$form->tmpl_param("page_gone", 1);
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$form->field(name => "do", value => "create", force => 1);
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$form->tmpl_param("page_select", 0);
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$form->field(name => "page", type => 'hidden');
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$form->field(name => "type", type => 'hidden');
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$form->title(sprintf(gettext("editing %s"), $page));
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showform($form, \@buttons, $session, $q);
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return;
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}
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elsif ($form->field("do") eq "create" && $exists) {
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$form->tmpl_param("creation_conflict", 1);
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$form->field(name => "do", value => "edit", force => 1);
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$form->tmpl_param("page_select", 0);
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$form->field(name => "page", type => 'hidden');
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$form->field(name => "type", type => 'hidden');
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$form->title(sprintf(gettext("editing %s"), $page));
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$form->field("editcontent",
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value => readfile("$config{srcdir}/$file").
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"\n\n\n".$form->field("editcontent"),
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force => 1);
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showform($form, \@buttons, $session, $q);
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return;
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}
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my $content=$form->field('editcontent');
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run_hooks(editcontent => sub {
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$content=shift->(
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content => $content,
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page => $page,
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cgi => $q,
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session => $session,
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);
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});
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$content=~s/\r\n/\n/g;
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$content=~s/\r/\n/g;
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$content.="\n" if $content !~ /\n$/;
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$config{cgi}=0; # avoid cgi error message
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eval { writefile($file, $config{srcdir}, $content) };
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$config{cgi}=1;
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if ($@) {
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$form->field(name => "rcsinfo", value => rcs_prepedit($file),
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force => 1);
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$form->tmpl_param("failed_save", 1);
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$form->tmpl_param("error_message", $@);
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$form->field("editcontent", value => $content, force => 1);
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$form->tmpl_param("page_select", 0);
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$form->field(name => "page", type => 'hidden');
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|
$form->field(name => "type", type => 'hidden');
|
|
$form->title(sprintf(gettext("editing %s"), $page));
|
|
showform($form, \@buttons, $session, $q);
|
|
return;
|
|
}
|
|
|
|
my $conflict;
|
|
if ($config{rcs}) {
|
|
my $message="";
|
|
if (defined $form->field('comments') &&
|
|
length $form->field('comments')) {
|
|
$message=$form->field('comments');
|
|
}
|
|
|
|
if (! $exists) {
|
|
rcs_add($file);
|
|
}
|
|
|
|
# Prevent deadlock with post-commit hook by
|
|
# signaling to it that it should not try to
|
|
# do anything.
|
|
disable_commit_hook();
|
|
$conflict=rcs_commit($file, $message,
|
|
$form->field("rcsinfo"),
|
|
$session->param("name"), $ENV{REMOTE_ADDR});
|
|
enable_commit_hook();
|
|
rcs_update();
|
|
}
|
|
|
|
# Refresh even if there was a conflict, since other changes
|
|
# may have been committed while the post-commit hook was
|
|
# disabled.
|
|
require IkiWiki::Render;
|
|
refresh();
|
|
saveindex();
|
|
|
|
if (defined $conflict) {
|
|
$form->field(name => "rcsinfo", value => rcs_prepedit($file),
|
|
force => 1);
|
|
$form->tmpl_param("page_conflict", 1);
|
|
$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, $q);
|
|
return;
|
|
}
|
|
else {
|
|
# The trailing question mark tries to avoid broken
|
|
# caches and get the most recent version of the page.
|
|
redirect($q, "$config{url}/".htmlpage($page)."?updated");
|
|
}
|
|
}
|
|
} #}}}
|
|
|
|
sub cgi_getsession ($) { #{{{
|
|
my $q=shift;
|
|
|
|
eval q{use CGI::Session};
|
|
CGI::Session->name("ikiwiki_session_".encode_utf8($config{wikiname}));
|
|
|
|
my $oldmask=umask(077);
|
|
my $session = CGI::Session->new("driver:DB_File", $q,
|
|
{ FileName => "$config{wikistatedir}/sessions.db" });
|
|
umask($oldmask);
|
|
|
|
return $session;
|
|
} #}}}
|
|
|
|
sub cgi_savesession ($) { #{{{
|
|
my $session=shift;
|
|
|
|
# Force session flush with safe umask.
|
|
my $oldmask=umask(077);
|
|
$session->flush;
|
|
umask($oldmask);
|
|
} #}}}
|
|
|
|
sub cgi (;$$) { #{{{
|
|
my $q=shift;
|
|
my $session=shift;
|
|
|
|
if (! $q) {
|
|
eval q{use CGI};
|
|
error($@) if $@;
|
|
|
|
$q=CGI->new;
|
|
|
|
run_hooks(cgi => sub { shift->($q) });
|
|
}
|
|
|
|
my $do=$q->param('do');
|
|
if (! defined $do || ! length $do) {
|
|
my $error = $q->cgi_error;
|
|
if ($error) {
|
|
error("Request not processed: $error");
|
|
}
|
|
else {
|
|
error("\"do\" parameter missing");
|
|
}
|
|
}
|
|
|
|
# Need to lock the wiki before getting a session.
|
|
lockwiki();
|
|
loadindex();
|
|
|
|
if (! $session) {
|
|
$session=cgi_getsession($q);
|
|
}
|
|
|
|
# Auth hooks can sign a user in.
|
|
if ($do ne 'signin' && ! defined $session->param("name")) {
|
|
run_hooks(auth => sub {
|
|
shift->($q, $session)
|
|
});
|
|
if (defined $session->param("name")) {
|
|
# Make sure whatever user was authed is in the
|
|
# userinfo db.
|
|
if (! userinfo_get($session->param("name"), "regdate")) {
|
|
userinfo_setall($session->param("name"), {
|
|
email => "",
|
|
password => "",
|
|
regdate => time,
|
|
}) || error("failed adding user");
|
|
}
|
|
}
|
|
}
|
|
|
|
if (defined $session->param("name") &&
|
|
userinfo_get($session->param("name"), "banned")) {
|
|
print $q->header(-status => "403 Forbidden");
|
|
$session->delete();
|
|
print gettext("You are banned.");
|
|
cgi_savesession($session);
|
|
}
|
|
|
|
run_hooks(sessioncgi => sub { shift->($q, $session) });
|
|
|
|
if ($do eq 'signin') {
|
|
cgi_signin($q, $session);
|
|
cgi_savesession($session);
|
|
}
|
|
elsif ($do eq 'prefs') {
|
|
cgi_prefs($q, $session);
|
|
}
|
|
elsif ($do eq 'create' || $do eq 'edit') {
|
|
cgi_editpage($q, $session);
|
|
}
|
|
elsif (defined $session->param("postsignin") || $do eq 'postsignin') {
|
|
cgi_postsignin($q, $session);
|
|
}
|
|
else {
|
|
error("unknown do parameter");
|
|
}
|
|
} #}}}
|
|
|
|
1
|