735 lines
19 KiB
Perl
735 lines
19 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 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 && $ret eq "") {
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$canedit=1;
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}
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elsif (defined $ret) {
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$canedit=0;
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error($ret) unless $nonfatal;
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}
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});
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return $canedit;
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} #}}}
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sub decode_form_utf8 ($) { #{{{
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my $form = shift;
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foreach my $f ($form->field) {
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next if Encode::is_utf8(scalar $form->field($f));
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$form->field(name => $f,
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value => decode_utf8($form->field($f)),
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force => 1,
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);
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}
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} #}}}
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sub cgi_recentchanges ($) { #{{{
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my $q=shift;
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# Optimisation: building recentchanges means calculating lots of
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# links. Memoizing htmllink speeds it up a lot (can't be memoized
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# during page builds as the return values may change, but they
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# won't here.)
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eval q{use Memoize};
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error($@) if $@;
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memoize("htmllink");
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eval q{use Time::Duration};
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error($@) if $@;
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my $changelog=[rcs_recentchanges(100)];
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foreach my $change (@$changelog) {
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$change->{when} = concise(ago($change->{when}));
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$change->{user} = userlink($change->{user});
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my $is_excess = exists $change->{pages}[10]; # limit pages to first 10
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delete @{$change->{pages}}[10 .. @{$change->{pages}}] if $is_excess;
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$change->{pages} = [
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map {
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$_->{link} = htmllink("", "", $_->{page},
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noimageinline => 1,
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linktext => pagetitle($_->{page}));
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$_;
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} @{$change->{pages}}
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];
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push @{$change->{pages}}, { link => '...' } if $is_excess;
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}
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my $template=template("recentchanges.tmpl");
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$template->param(
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title => "RecentChanges",
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indexlink => indexlink(),
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wikiname => $config{wikiname},
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changelog => $changelog,
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baseurl => baseurl(),
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);
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run_hooks(pagetemplate => sub {
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shift->(page => "", destpage => "", template => $template);
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});
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print $q->header(-charset => 'utf-8'), $template->output;
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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 ($$) { #{{{
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my $q=shift;
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my $session=shift;
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if (! defined $session->param("name") ||
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! userinfo_get($session->param("name"), "regdate")) {
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if (! defined $session->param("postsignin")) {
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$session->param(postsignin => $ENV{QUERY_STRING});
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}
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cgi_signin($q, $session);
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cgi_savesession($session);
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exit;
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}
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} #}}}
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sub cgi_signin ($$) { #{{{
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my $q=shift;
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my $session=shift;
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eval q{use CGI::FormBuilder};
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error($@) if $@;
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my $form = CGI::FormBuilder->new(
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title => "signin",
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header => 1,
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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 => scalar template_params("signin.tmpl"),
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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 => $session);
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});
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decode_form_utf8($form);
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if (exists $hooks{formbuilder}) {
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run_hooks(formbuilder => sub {
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shift->(form => $form, cgi => $q, session => $session,
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buttons => $buttons);
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});
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}
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else {
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if ($form->submitted) {
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$form->validate;
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}
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printheader($session);
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print misctemplate($form->title, $form->render(submit => $buttons));
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}
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} #}}}
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sub cgi_postsignin ($$) { #{{{
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my $q=shift;
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my $session=shift;
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# Continue with whatever was being done before the signin process.
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if (defined $session->param("postsignin")) {
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my $postsignin=CGI->new($session->param("postsignin"));
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$session->clear("postsignin");
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cgi($postsignin, $session);
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cgi_savesession($session);
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exit;
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}
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else {
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# This can occur, for example, if a user went to the signin
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# url via a bookmark.
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redirect($q, $config{url});
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}
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} #}}}
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sub cgi_prefs ($$) { #{{{
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my $q=shift;
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my $session=shift;
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needsignin($q, $session);
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eval q{use CGI::FormBuilder};
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error($@) if $@;
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my $form = CGI::FormBuilder->new(
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title => "preferences",
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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 => scalar template_params("prefs.tmpl"),
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stylesheet => baseurl()."style.css",
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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 => $session);
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});
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$form->field(name => "do", type => "hidden");
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$form->field(name => "email", size => 50);
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$form->field(name => "subscriptions", size => 50,
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comment => "(".htmllink("", "", "PageSpec", noimageinline => 1).")");
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$form->field(name => "banned_users", size => 50);
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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($user_name, "email"));
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$form->field(name => "subscriptions", force => 1,
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value => userinfo_get($user_name, "subscriptions"));
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if (is_admin($user_name)) {
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$form->field(name => "banned_users", force => 1,
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value => join(" ", get_banned_users()));
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}
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}
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decode_form_utf8($form);
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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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foreach my $field (qw(email subscriptions)) {
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if (defined $form->field($field) && length $form->field($field)) {
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userinfo_set($user_name, $field, $form->field($field)) ||
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error("failed to set $field");
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}
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}
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if (is_admin($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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if (exists $hooks{formbuilder}) {
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run_hooks(formbuilder => sub {
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shift->(form => $form, cgi => $q, session => $session,
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buttons => $buttons);
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});
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}
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else {
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printheader($session);
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print misctemplate($form->title, $form->render(submit => $buttons));
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}
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} #}}}
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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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newfile);
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my @buttons=("Save Page", "Preview", "Cancel");
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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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fields => \@fields,
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header => 1,
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charset => "utf-8",
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method => 'POST',
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validate => {
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editcontent => '/.+/',
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},
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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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table => 0,
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template => scalar template_params("editpage.tmpl"),
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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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});
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decode_form_utf8($form);
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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 || 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}) {
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$file=$pagesources{$page};
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$type=pagetype($file);
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if (! defined $type) {
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error(sprintf(gettext("%s is not an editable page"), $page));
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}
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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) {
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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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}
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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->field(name => "newfile", type => 'hidden');
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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("", "", "HelpOnFormatting", noimageinline => 1));
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$form->tmpl_param("baseurl", baseurl());
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if (! $form->submitted) {
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$form->field(name => "rcsinfo", value => rcs_prepedit($file),
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force => 1);
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$form->field(name => "newfile",
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value => ! -e "$config{srcdir}/$file",
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force => 1);
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}
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if ($form->submitted eq "Cancel") {
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if ($form->field(name => "newfile") && defined $from) {
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redirect($q, "$config{url}/".htmlpage($from));
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}
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elsif ($form->field(name => "newfile")) {
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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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my $comments=$form->field('comments');
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$form->field(name => "editcontent",
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value => $content, force => 1);
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$form->field(name => "comments",
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value => $comments, force => 1);
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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, $content), 0, 1))));
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}
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else {
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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 || $form->submitted eq "Preview" ||
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! $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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}
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push @page_locs, "$config{userdir}/$page"
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if length $config{userdir};
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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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redirect($q, "$config{url}/".htmlpage($page));
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return;
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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=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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print $form->render(submit => \@buttons);
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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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if (! -e "$config{srcdir}/$file" && ! $form->field(name => 'newfile')){
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$form->tmpl_param("page_gone", 1);
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$form->field(name => "newfile",
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value => 1, 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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print $form->render(submit => \@buttons);
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return;
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}
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my $content=$form->field('editcontent');
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$content=~s/\r\n/\n/g;
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$content=~s/\r/\n/g;
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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);
|
|
$form->tmpl_param("failed_save", 1);
|
|
$form->tmpl_param("error_message", $@);
|
|
$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));
|
|
print $form->render(submit => \@buttons);
|
|
return;
|
|
}
|
|
|
|
my $conflict;
|
|
if ($config{rcs}) {
|
|
my $message="";
|
|
if (defined $form->field('comments') &&
|
|
length $form->field('comments')) {
|
|
$message=$form->field('comments');
|
|
}
|
|
|
|
if ($form->field(name => "newfile")) {
|
|
rcs_add($file);
|
|
}
|
|
|
|
# Prevent deadlock with post-commit hook by
|
|
# signaling to it that it should not try to
|
|
# do anything (except send commit mails).
|
|
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));
|
|
print $form->render(submit => \@buttons);
|
|
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: $error");
|
|
}
|
|
else {
|
|
error("\"do\" parameter missing");
|
|
}
|
|
}
|
|
|
|
# Things that do not need a session.
|
|
if ($do eq 'recentchanges') {
|
|
cgi_recentchanges($q);
|
|
return;
|
|
}
|
|
elsif ($do eq 'hyperestraier') {
|
|
cgi_hyperestraier();
|
|
}
|
|
|
|
# Need to lock the wiki before getting a session.
|
|
lockwiki();
|
|
|
|
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);
|
|
}
|
|
elsif ($do eq 'signin') {
|
|
cgi_signin($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 'blog') {
|
|
my $page=decode_utf8($q->param('title'));
|
|
$page=~s/\///g; # no slashes in blog posts
|
|
# if the page already exists, munge it to be unique
|
|
my $from=$q->param('from');
|
|
my $add="";
|
|
while (exists $pagecase{lc($from."/".titlepage($page).$add)}) {
|
|
$add=1 unless length $add;
|
|
$add++;
|
|
}
|
|
$q->param('page', $page.$add);
|
|
# now run same as create
|
|
$q->param('do', 'create');
|
|
cgi_editpage($q, $session);
|
|
}
|
|
elsif ($do eq 'postsignin') {
|
|
error(gettext("login failed, perhaps you need to turn on cookies?"));
|
|
}
|
|
else {
|
|
error("unknown do parameter");
|
|
}
|
|
} #}}}
|
|
|
|
sub userlink ($) { #{{{
|
|
my $user=shift;
|
|
|
|
eval q{use CGI 'escapeHTML'};
|
|
error($@) 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);
|
|
}
|
|
} #}}}
|
|
|
|
1
|