use open qw{:utf8 :std};
use Encode;
-sub printheader ($) { #{{{
+sub printheader ($) {
my $session=shift;
if ($config{sslcookie}) {
print $session->header(-charset => 'utf-8',
-cookie => $session->cookie(-httponly => 1));
}
-} #}}}
+}
-sub showform ($$$$;@) { #{{{
+sub showform ($$$$;@) {
my $form=shift;
my $buttons=shift;
my $session=shift;
print misctemplate($form->title, $form->render(submit => $buttons), @_);
}
-sub redirect ($$) { #{{{
+sub redirect ($$) {
my $q=shift;
my $url=shift;
if (! $config{w3mmode}) {
print "Content-type: text/plain\n";
print "W3m-control: GOTO $url\n\n";
}
-} #}}}
+}
-sub decode_cgi_utf8 ($) { #{{{
+sub decode_cgi_utf8 ($) {
# decode_form_utf8 method is needed for 5.10
if ($] < 5.01) {
my $cgi = shift;
$cgi->param($f, map { decode_utf8 $_ } $cgi->param($f));
}
}
-} #}}}
+}
-sub decode_form_utf8 ($) { #{{{
+sub decode_form_utf8 ($) {
if ($] >= 5.01) {
my $form = shift;
foreach my $f ($form->field) {
);
}
}
-} #}}}
+}
# Check if the user is signed in. If not, redirect to the signin form and
# save their place to return to later.
-sub needsignin ($$) { #{{{
+sub needsignin ($$) {
my $q=shift;
my $session=shift;
cgi_savesession($session);
exit;
}
-} #}}}
+}
-sub cgi_signin ($$) { #{{{
+sub cgi_signin ($$) {
my $q=shift;
my $session=shift;
}
showform($form, $buttons, $session, $q);
-} #}}}
+}
-sub cgi_postsignin ($$) { #{{{
+sub cgi_postsignin ($$) {
my $q=shift;
my $session=shift;
else {
error(gettext("login failed, perhaps you need to turn on cookies?"));
}
-} #}}}
+}
-sub cgi_prefs ($$) { #{{{
+sub cgi_prefs ($$) {
my $q=shift;
my $session=shift;
my $user_name=$session->param("name");
- # XXX deprecated, should be removed eventually
- $form->field(name => "banned_users", size => 50, fieldset => "admin");
- if (! is_admin($user_name)) {
- $form->field(name => "banned_users", type => "hidden");
- }
if (! $form->submitted) {
$form->field(name => "email", force => 1,
value => userinfo_get($user_name, "email"));
- if (is_admin($user_name)) {
- my $value=join(" ", get_banned_users());
- if (length $value) {
- $form->field(name => "banned_users", force => 1,
- value => join(" ", get_banned_users()),
- comment => "deprecated; please move to banned_users in setup file");
- }
- else {
- $form->field(name => "banned_users", type => "hidden");
- }
- }
}
if ($form->submitted eq 'Logout') {
error("failed to set email");
}
- # XXX deprecated, should be removed eventually
- if (is_admin($user_name)) {
- set_banned_users(grep { ! is_admin($_) }
- split(' ',
- $form->field("banned_users"))) ||
- error("failed saving changes");
- if (! length $form->field("banned_users")) {
- $form->field(name => "banned_users", type => "hidden");
- }
- }
-
$form->text(gettext("Preferences saved."));
}
showform($form, $buttons, $session, $q);
-} #}}}
+}
-sub check_banned ($$) { #{{{
+sub check_banned ($$) {
my $q=shift;
my $session=shift;
my $name=$session->param("name");
if (defined $name) {
- # XXX banned in userinfo is deprecated, should be removed
- # eventually, and only banned_users be checked.
- if (userinfo_get($session->param("name"), "banned") ||
- grep { $name eq $_ } @{$config{banned_users}}) {
+ if (grep { $name eq $_ } @{$config{banned_users}}) {
print $q->header(-status => "403 Forbidden");
$session->delete();
print gettext("You are banned.");
+ # Internet Explorer won't show custom 404 responses
+ # unless they're >= 512 bytes
+ print " " x 512;
cgi_savesession($session);
exit;
}
}
}
-sub cgi_getsession ($) { #{{{
+sub cgi_getsession ($) {
my $q=shift;
eval q{use CGI::Session; use HTML::Entities};
umask($oldmask);
return $session;
-} #}}}
+}
-sub cgi_savesession ($) { #{{{
+# To guard against CSRF, the user's session id (sid)
+# can be stored on a form. This function will check
+# (for logged in users) that the sid on the form matches
+# the session id in the cookie.
+sub checksessionexpiry ($$) {
+ my $q=shift;
+ my $session = shift;
+
+ if (defined $session->param("name")) {
+ my $sid=$q->param('sid');
+ if (! defined $sid || $sid ne $session->id) {
+ error(gettext("Your login session has expired."));
+ }
+ }
+}
+
+sub cgi_savesession ($) {
my $session=shift;
# Force session flush with safe umask.
my $oldmask=umask(077);
$session->flush;
umask($oldmask);
-} #}}}
+}
+
+# cgi_goto(CGI, [page])
+# Redirect to a specified page, or display "not found". If not specified,
+# the page param from the CGI object is used.
+sub cgi_goto ($;$) {
+ my $q = shift;
+ my $page = shift;
+
+ if (!defined $page) {
+ $page = decode_utf8($q->param("page"));
+
+ if (!defined $page) {
+ error("missing page parameter");
+ }
+ }
+
+ loadindex();
+
+ # If the page is internal (like a comment), see if it has a
+ # permalink. Comments do.
+ if (isinternal($page) &&
+ defined $pagestate{$page}{meta}{permalink}) {
+ redirect($q, $pagestate{$page}{meta}{permalink});
+ }
+
+ my $link = bestlink("", $page);
+
+ if (! length $link) {
+ print $q->header(-status => "404 Not Found");
+ print misctemplate(gettext("missing page"),
+ "<p>".
+ sprintf(gettext("The page %s does not exist."),
+ htmllink("", "", $page)).
+ "</p>".
+ # Internet Explorer won't show custom 404 responses
+ # unless they're >= 512 bytes
+ (" " x 512));
+ }
+ else {
+ redirect($q, urlto($link, undef, 1));
+ }
+
+ exit;
+}
+
+sub cgi_page_from_404 ($$$) {
+ my $path = shift;
+ my $baseurl = shift;
+ my $usedirs = shift;
+
+ # fail if missing from environment or whatever
+ return undef unless defined $path;
+ return undef unless defined $baseurl;
+
+ # with usedirs on, path is like /~fred/foo/bar/ or /~fred/foo/bar or
+ # /~fred/foo/bar/index.html
+ # with usedirs off, path is like /~fred/foo/bar.html
+ # baseurl is like 'http://people.example.com/~fred'
+
+ # convert baseurl to ~fred
+ unless ($baseurl =~ s{^https?://[^/]+/?}{}) {
+ return undef;
+ }
+
+ # convert path to /~fred/foo/bar
+ if ($usedirs) {
+ $path =~ s/\/*(?:index\.$config{htmlext})?$//;
+ }
+ else {
+ $path =~ s/\.$config{htmlext}$//;
+ }
-sub cgi (;$$) { #{{{
+ # remove /~fred/
+ unless ($path =~ s{^/*\Q$baseurl\E/*}{}) {
+ return undef;
+ }
+
+ # special case for the index
+ unless ($path) {
+ return 'index';
+ }
+
+ return $path;
+}
+
+sub cgi (;$$) {
my $q=shift;
my $session=shift;
error("\"do\" parameter missing");
}
}
-
+
+ # goto is the preferred name for this; recentchanges_link and
+ # commenter are for compatibility with any saved URLs
+ if ($do eq 'goto' || $do eq 'recentchanges_link' ||
+ $do eq 'commenter') {
+ my $page = undef;
+
+ if ($ENV{REDIRECT_STATUS} eq '404') {
+ $page = cgi_page_from_404($ENV{REDIRECT_URL},
+ $config{url}, $config{usedirs});
+ }
+
+ cgi_goto($q, $page);
+ }
+
# Need to lock the wiki before getting a session.
lockwiki();
loadindex();
else {
error("unknown do parameter");
}
-} #}}}
+}
# Does not need to be called directly; all errors will go through here.
-sub cgierror ($) { #{{{
+sub cgierror ($) {
my $message=shift;
print "Content-type: text/html\n\n";
print misctemplate(gettext("Error"),
"<p class=\"error\">".gettext("Error").": $message</p>");
die $@;
-} #}}}
+}
1