use open qw{:utf8 :std};
use Encode;
-sub printheader ($) { #{{{
+sub printheader ($) {
my $session=shift;
- if ($config{sslcookie}) {
+ if (($ENV{HTTPS} && lc $ENV{HTTPS} ne "off") || $config{sslcookie}) {
print $session->header(-charset => 'utf-8',
-cookie => $session->cookie(-httponly => 1, -secure => 1));
- } else {
+ }
+ else {
print $session->header(-charset => 'utf-8',
-cookie => $session->cookie(-httponly => 1));
}
-} #}}}
+}
-sub showform ($$$$;@) { #{{{
+sub prepform {
my $form=shift;
my $buttons=shift;
my $session=shift;
});
}
+ return $form;
+}
+
+sub showform ($$$$;@) {
+ my $form=prepform(@_);
+ shift;
+ my $buttons=shift;
+ my $session=shift;
+ my $cgi=shift;
+
printheader($session);
- print misctemplate($form->title, $form->render(submit => $buttons), @_);
+ print cgitemplate($cgi, $form->title,
+ $form->render(submit => $buttons), @_);
}
-sub redirect ($$) { #{{{
+sub cgitemplate ($$$;@) {
+ my $cgi=shift;
+ my $title=shift;
+ my $content=shift;
+ my %params=@_;
+
+ my $template=template("page.tmpl");
+
+ my $page="";
+ if (exists $params{page}) {
+ $page=delete $params{page};
+ $params{forcebaseurl}=urlto($page);
+ }
+ run_hooks(pagetemplate => sub {
+ shift->(
+ page => $page,
+ destpage => $page,
+ template => $template,
+ );
+ });
+ templateactions($template, "");
+
+ my $baseurl = baseurl();
+
+ $template->param(
+ dynamic => 1,
+ title => $title,
+ wikiname => $config{wikiname},
+ content => $content,
+ baseurl => $baseurl,
+ html5 => $config{html5},
+ %params,
+ );
+
+ return $template->output;
+}
+
+sub redirect ($$) {
my $q=shift;
- my $url=shift;
+ eval q{use URI};
+
+ my $topurl = $config{cgiurl};
+ if (defined $q && ! $config{w3mmode} && ! $config{reverse_proxy}) {
+ $topurl = $q->url;
+ }
+
+ my $url=URI->new(urlabs(shift, $topurl));
if (! $config{w3mmode}) {
print $q->redirect($url);
}
print "Content-type: text/plain\n";
print "W3m-control: GOTO $url\n\n";
}
-} #}}}
+}
-sub decode_cgi_utf8 ($) { #{{{
- # decode_form_utf8 method is needed for 5.10
+sub decode_cgi_utf8 ($) {
+ # decode_form_utf8 method is needed for 5.01
if ($] < 5.01) {
my $cgi = shift;
foreach my $f ($cgi->param) {
- $cgi->param($f, map { decode_utf8 $_ } $cgi->param($f));
+ $cgi->param($f, map { decode_utf8 $_ }
+ @{$cgi->param_fetch($f)});
}
}
-} #}}}
+}
-sub decode_form_utf8 ($) { #{{{
+sub safe_decode_utf8 ($) {
+ my $octets = shift;
+ if (!Encode::is_utf8($octets)) {
+ return decode_utf8($octets);
+ }
+ else {
+ return $octets;
+ }
+}
+
+sub decode_form_utf8 ($) {
if ($] >= 5.01) {
my $form = shift;
foreach my $f ($form->field) {
+ my @value=map { safe_decode_utf8($_) } $form->field($f);
$form->field(name => $f,
- value => decode_utf8($form->field($f)),
+ value => \@value,
force => 1,
);
}
}
-} #}}}
+}
# Check if the user is signed in. If not, redirect to the signin form and
# save their place to return to later.
-sub needsignin ($$) { #{{{
+sub needsignin ($$) {
my $q=shift;
my $session=shift;
- if (! defined $session->param("name") ||
+ if (! length $session->param("name") ||
! userinfo_get($session->param("name"), "regdate")) {
- $session->param(postsignin => $ENV{QUERY_STRING});
+ $session->param(postsignin => $q->query_string);
cgi_signin($q, $session);
cgi_savesession($session);
exit;
}
-} #}}}
+}
-sub cgi_signin ($$) { #{{{
+sub cgi_signin ($$;$) {
my $q=shift;
my $session=shift;
+ my $returnhtml=shift;
decode_cgi_utf8($q);
eval q{use CGI::FormBuilder};
required => 'NONE',
javascript => 0,
params => $q,
- action => $config{cgiurl},
+ action => cgiurl(),
header => 0,
template => {type => 'div'},
- stylesheet => baseurl()."style.css",
+ stylesheet => 1,
);
my $buttons=["Login"];
- if ($q->param("do") ne "signin" && !$form->submitted) {
- $form->text(gettext("You need to log in first."));
- }
$form->field(name => "do", type => "hidden", value => "signin",
force => 1);
$form->validate;
}
+ if ($returnhtml) {
+ $form=prepform($form, $buttons, $session, $q);
+ return $form->render(submit => $buttons);
+ }
+
showform($form, $buttons, $session, $q);
-} #}}}
+}
-sub cgi_postsignin ($$) { #{{{
+sub cgi_postsignin ($$) {
my $q=shift;
my $session=shift;
exit;
}
else {
- error(gettext("login failed, perhaps you need to turn on cookies?"));
+ if ($config{sslcookie} && ! $q->https()) {
+ error(gettext("probable misconfiguration: sslcookie is set, but you are attempting to login via http, not https"));
+ }
+ else {
+ error(gettext("Login succeeded, but I don't remember why you were logging in, so you'll have to navigate back to whatever you were doing. (This should not normally happen. Perhaps you need to enable cookies?)"));
+ }
}
-} #}}}
+}
-sub cgi_prefs ($$) { #{{{
+sub cgi_prefs ($$) {
my $q=shift;
my $session=shift;
required => 'NONE',
javascript => 0,
params => $q,
- action => $config{cgiurl},
+ action => cgiurl(),
template => {type => 'div'},
- stylesheet => baseurl()."style.css",
+ stylesheet => 1,
fieldsets => [
[login => gettext("Login")],
[preferences => gettext("Preferences")],
my $user_name=$session->param("name");
- # XXX deprecated, should be removed eventually
- $form->field(name => "banned_users", size => 50, fieldset => "admin");
- if (! is_admin($user_name)) {
- $form->field(name => "banned_users", type => "hidden");
- }
if (! $form->submitted) {
$form->field(name => "email", force => 1,
value => userinfo_get($user_name, "email"));
- if (is_admin($user_name)) {
- my $value=join(" ", get_banned_users());
- if (length $value) {
- $form->field(name => "banned_users", force => 1,
- value => join(" ", get_banned_users()),
- comment => "deprecated; please move to banned_users in setup file");
- }
- else {
- $form->field(name => "banned_users", type => "hidden");
- }
- }
}
if ($form->submitted eq 'Logout') {
$session->delete();
- redirect($q, $config{url});
+ redirect($q, baseurl(undef));
return;
}
elsif ($form->submitted eq 'Cancel') {
- redirect($q, $config{url});
+ redirect($q, baseurl(undef));
return;
}
elsif ($form->submitted eq 'Save Preferences' && $form->validate) {
- if (defined $form->field('email')) {
- userinfo_set($user_name, 'email', $form->field('email')) ||
+ my $email = $form->field('email');
+ if (defined $email) {
+ userinfo_set($user_name, 'email', $email) ||
error("failed to set email");
}
- # XXX deprecated, should be removed eventually
- if (is_admin($user_name)) {
- set_banned_users(grep { ! is_admin($_) }
- split(' ',
- $form->field("banned_users"))) ||
- error("failed saving changes");
- if (! length $form->field("banned_users")) {
- $form->field(name => "banned_users", type => "hidden");
- }
- }
-
$form->text(gettext("Preferences saved."));
}
- showform($form, $buttons, $session, $q);
-} #}}}
+ showform($form, $buttons, $session, $q,
+ prefsurl => "", # avoid showing the preferences link
+ );
+}
+
+sub cgi_custom_failure ($$$) {
+ my $q=shift;
+ my $httpstatus=shift;
+ my $message=shift;
+
+ print $q->header(
+ -status => $httpstatus,
+ -charset => 'utf-8',
+ );
+ print $message;
+
+ # Internet Explod^Hrer won't show custom 404 responses
+ # unless they're >= 512 bytes
+ print ' ' x 512;
-sub check_banned ($$) { #{{{
+ exit;
+}
+
+sub check_banned ($$) {
my $q=shift;
my $session=shift;
+ my $banned=0;
my $name=$session->param("name");
- if (defined $name) {
- # XXX banned in userinfo is deprecated, should be removed
- # eventually, and only banned_users be checked.
- if (userinfo_get($session->param("name"), "banned") ||
- grep { $name eq $_ } @{$config{banned_users}}) {
- print $q->header(-status => "403 Forbidden");
- $session->delete();
- print gettext("You are banned.");
- cgi_savesession($session);
- exit;
+ my $cloak=cloak($name) if defined $name;
+ if (defined $name &&
+ grep { $name eq $_ || $cloak eq $_ } @{$config{banned_users}}) {
+ $banned=1;
+ }
+
+ foreach my $b (@{$config{banned_users}}) {
+ if (pagespec_match("", $b,
+ ip => $session->remote_addr(),
+ name => defined $name ? $name : "")
+ || pagespec_match("", $b,
+ ip => cloak($session->remote_addr()),
+ name => defined $cloak ? $cloak : "")) {
+ $banned=1;
+ last;
}
}
+
+ if ($banned) {
+ $session->delete();
+ cgi_savesession($session);
+ cgi_custom_failure(
+ $q, "403 Forbidden",
+ gettext("You are banned."));
+ }
}
-sub cgi_getsession ($) { #{{{
+sub cgi_getsession ($) {
my $q=shift;
- eval q{use CGI::Session};
+ eval q{use CGI::Session; use HTML::Entities};
error($@) if $@;
- CGI::Session->name("ikiwiki_session_".encode_utf8($config{wikiname}));
+ CGI::Session->name("ikiwiki_session_".encode_entities($config{wikiname}));
my $oldmask=umask(077);
my $session = eval {
{ FileName => "$config{wikistatedir}/sessions.db" })
};
if (! $session || $@) {
- error($@." ".CGI::Session->errstr());
+ my $error = $@;
+ error($error." ".CGI::Session->errstr());
}
umask($oldmask);
return $session;
-} #}}}
+}
+
+# To guard against CSRF, the user's session id (sid)
+# can be stored on a form. This function will check
+# (for logged in users) that the sid on the form matches
+# the session id in the cookie.
+sub checksessionexpiry ($$) {
+ my $q=shift;
+ my $session = shift;
+
+ if (defined $session->param("name")) {
+ my $sid=$q->param('sid');
+ if (! defined $sid || $sid ne $session->id || ! length $session->param("name")) {
+ error(gettext("Your login session has expired."));
+ }
+ }
+}
-sub cgi_savesession ($) { #{{{
+sub cgi_savesession ($) {
my $session=shift;
# Force session flush with safe umask.
my $oldmask=umask(077);
$session->flush;
umask($oldmask);
-} #}}}
+}
-sub cgi (;$$) { #{{{
+sub cgi (;$$) {
my $q=shift;
my $session=shift;
eval q{use CGI};
error($@) if $@;
+ no warnings "once";
$CGI::DISABLE_UPLOADS=$config{cgi_disable_uploads};
+ use warnings;
if (! $q) {
binmode(STDIN);
error("\"do\" parameter missing");
}
}
-
+
# Need to lock the wiki before getting a session.
lockwiki();
loadindex();
}
# Auth hooks can sign a user in.
- if ($do ne 'signin' && ! defined $session->param("name")) {
+ if ($do ne 'signin' && ! length $session->param("name")) {
run_hooks(auth => sub {
shift->($q, $session)
});
- if (defined $session->param("name")) {
+ if (length $session->param("name")) {
# Make sure whatever user was authed is in the
# userinfo db.
if (! userinfo_get($session->param("name"), "regdate")) {
userinfo_setall($session->param("name"), {
- email => "",
+ email => defined $session->param("email") ? $session->param("email") : "",
password => "",
regdate => time,
}) || error("failed adding user");
else {
error("unknown do parameter");
}
-} #}}}
+}
# Does not need to be called directly; all errors will go through here.
-sub cgierror ($) { #{{{
+sub cgierror ($) {
my $message=shift;
+ eval q{use HTML::Entities};
+ $message = encode_entities($message);
+
print "Content-type: text/html\n\n";
- print misctemplate(gettext("Error"),
+ print cgitemplate(undef, gettext("Error"),
"<p class=\"error\">".gettext("Error").": $message</p>");
- die $@;
-} #}}}
+
+ die $message;
+}
1